kosjs: replace libmujs.a with sources; if argc = 0, see "usage"

git-svn-id: svn://kolibrios.org@8456 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/kosjs/Makefile

@@ -8,9 +8,9 @@ NAME = kosjs
 SDK_DIR = ../../../contrib/sdk
 
 LDFLAGS = -call_shared -nostdlib -T $(SDK_DIR)/sources/newlib/app-dynamic.lds --image-base 0
-LIBPATH = -L$(SDK_DIR)/lib -L/home/autobuild/tools/win32/mingw32/lib -L libmujs/lib
+LIBPATH = -L$(SDK_DIR)/lib -L/home/autobuild/tools/win32/mingw32/lib -L libmujs
 CFLAGS = -c -fno-ident -O2 -fomit-frame-pointer -fno-ident -U__WIN32__ -U_Win32 -U_WIN32 -U__MINGW32__ -UWIN32
-INCLUDES = -I $(SDK_DIR)/sources/newlib/libc/include -I libmujs/include
+INCLUDES = -I $(SDK_DIR)/sources/newlib/libc/include -I libmujs
 
 all:
 	$(CC) $(CFLAGS) $(INCLUDES) kosjs.c import.c

programs/develop/kosjs/kosjs.c

@@ -7,8 +7,12 @@
 
 int main(int argc, char **argv)
 {
-    import_functions();
+    if (argc == 1) {
-    js_dofile(J, argv[1]);
+		printf("usage: %s [program.js]\n", argv[0]);
-    js_freestate (J);
+	} else {
+		import_functions();
+		js_dofile(J, argv[1]);
+		js_freestate (J);
+	}
     exit(0);
 } 

programs/develop/kosjs/libmujs/AUTHORS

@@ -0,0 +1 @@
+Tor Andersson <tor.andersson@artifex.com>

programs/develop/kosjs/libmujs/COPYING

@@ -0,0 +1,16 @@
+ISC License
+
+Copyright (c) 2013-2020 Artifex Software, Inc.
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+

programs/develop/kosjs/libmujs/Makefile

@@ -0,0 +1,16 @@
+CC = kos32-gcc
+
+SDK_DIR = ../../../../contrib/sdk
+CFLAGS = -c -fno-ident -O2 -fomit-frame-pointer -fno-ident -U__WIN32__ -U_Win32 -U_WIN32 -U__MINGW32__ -UWIN32
+
+INCLUDES = -I $(SDK_DIR)/sources/newlib/libc/include -I .
+
+SRC := $(notdir $(wildcard *.c))
+OBJECTS =  $(patsubst %.c, %.o, $(SRC))
+
+default: $(patsubst %.c,%.o,$(SRC))
+	ar rcs libmujs.a *.o
+	rm *.o
+
+%.o : %.c Makefile $(SRC)
+	$(CC) $(CFLAGS) $(INCLUDES) -o $@ $<

programs/develop/kosjs/libmujs/README

@@ -0,0 +1,52 @@
+MuJS: an embeddable Javascript interpreter in C.
+
+ABOUT
+
+MuJS is a lightweight Javascript interpreter designed for embedding in
+other software to extend them with scripting capabilities.
+
+LICENSE
+
+MuJS is Copyright 2013-2017 Artifex Software, Inc.
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+The software is provided "as is" and the author disclaims all warranties with
+regard to this software including all implied warranties of merchantability
+and fitness. In no event shall the author be liable for any special, direct,
+indirect, or consequential damages or any damages whatsoever resulting from
+loss of use, data or profits, whether in an action of contract, negligence
+or other tortious action, arising out of or in connection with the use or
+performance of this software.
+
+COMPILING
+
+If you are building from source you can either use the provided Unix Makefile:
+
+	make release
+
+Or compile the source with your preferred compiler:
+
+	cc -O2 -c one.c -o libmujs.o
+
+INSTALLING
+
+To install the MuJS command line interpreter, static library and header file:
+
+	make prefix=/usr/local install
+
+DOWNLOAD
+
+The latest development source is available directly from the git repository:
+
+	git clone http://git.ghostscript.com/mujs.git
+
+REPORTING BUGS AND PROBLEMS
+
+Report bugs on the ghostscript bugzilla, with MuJS as the selected component.
+
+	http://bugs.ghostscript.com/
+
+The MuJS developers hang out on IRC in the #mupdf channel on irc.freenode.net.

programs/develop/kosjs/libmujs/jsarray.c

@@ -0,0 +1,748 @@
+#include "jsi.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+int js_getlength(js_State *J, int idx)
+{
+	int len;
+	js_getproperty(J, idx, "length");
+	len = js_tointeger(J, -1);
+	js_pop(J, 1);
+	return len;
+}
+
+void js_setlength(js_State *J, int idx, int len)
+{
+	js_pushnumber(J, len);
+	js_setproperty(J, idx < 0 ? idx - 1 : idx, "length");
+}
+
+int js_hasindex(js_State *J, int idx, int i)
+{
+	char buf[32];
+	return js_hasproperty(J, idx, js_itoa(buf, i));
+}
+
+void js_getindex(js_State *J, int idx, int i)
+{
+	char buf[32];
+	js_getproperty(J, idx, js_itoa(buf, i));
+}
+
+void js_setindex(js_State *J, int idx, int i)
+{
+	char buf[32];
+	js_setproperty(J, idx, js_itoa(buf, i));
+}
+
+void js_delindex(js_State *J, int idx, int i)
+{
+	char buf[32];
+	js_delproperty(J, idx, js_itoa(buf, i));
+}
+
+static void jsB_new_Array(js_State *J)
+{
+	int i, top = js_gettop(J);
+
+	js_newarray(J);
+
+	if (top == 2) {
+		if (js_isnumber(J, 1)) {
+			js_copy(J, 1);
+			js_setproperty(J, -2, "length");
+		} else {
+			js_copy(J, 1);
+			js_setindex(J, -2, 0);
+		}
+	} else {
+		for (i = 1; i < top; ++i) {
+			js_copy(J, i);
+			js_setindex(J, -2, i - 1);
+		}
+	}
+}
+
+static void Ap_concat(js_State *J)
+{
+	int i, top = js_gettop(J);
+	int n, k, len;
+
+	js_newarray(J);
+	n = 0;
+
+	for (i = 0; i < top; ++i) {
+		js_copy(J, i);
+		if (js_isarray(J, -1)) {
+			len = js_getlength(J, -1);
+			for (k = 0; k < len; ++k)
+				if (js_hasindex(J, -1, k))
+					js_setindex(J, -3, n++);
+			js_pop(J, 1);
+		} else {
+			js_setindex(J, -2, n++);
+		}
+	}
+}
+
+static void Ap_join(js_State *J)
+{
+	char * volatile out = NULL;
+	const char *sep;
+	const char *r;
+	int seplen;
+	int k, n, len;
+
+	len = js_getlength(J, 0);
+
+	if (js_isdefined(J, 1)) {
+		sep = js_tostring(J, 1);
+		seplen = strlen(sep);
+	} else {
+		sep = ",";
+		seplen = 1;
+	}
+
+	if (len == 0) {
+		js_pushliteral(J, "");
+		return;
+	}
+
+	if (js_try(J)) {
+		js_free(J, out);
+		js_throw(J);
+	}
+
+	n = 1;
+	for (k = 0; k < len; ++k) {
+		js_getindex(J, 0, k);
+		if (js_isundefined(J, -1) || js_isnull(J, -1))
+			r = "";
+		else
+			r = js_tostring(J, -1);
+		n += strlen(r);
+
+		if (k == 0) {
+			out = js_malloc(J, n);
+			strcpy(out, r);
+		} else {
+			n += seplen;
+			out = js_realloc(J, out, n);
+			strcat(out, sep);
+			strcat(out, r);
+		}
+
+		js_pop(J, 1);
+	}
+
+	js_pushstring(J, out);
+	js_endtry(J);
+	js_free(J, out);
+}
+
+static void Ap_pop(js_State *J)
+{
+	int n;
+
+	n = js_getlength(J, 0);
+
+	if (n > 0) {
+		js_getindex(J, 0, n - 1);
+		js_delindex(J, 0, n - 1);
+		js_setlength(J, 0, n - 1);
+	} else {
+		js_setlength(J, 0, 0);
+		js_pushundefined(J);
+	}
+}
+
+static void Ap_push(js_State *J)
+{
+	int i, top = js_gettop(J);
+	int n;
+
+	n = js_getlength(J, 0);
+
+	for (i = 1; i < top; ++i, ++n) {
+		js_copy(J, i);
+		js_setindex(J, 0, n);
+	}
+
+	js_setlength(J, 0, n);
+
+	js_pushnumber(J, n);
+}
+
+static void Ap_reverse(js_State *J)
+{
+	int len, middle, lower;
+
+	len = js_getlength(J, 0);
+	middle = len / 2;
+	lower = 0;
+
+	while (lower != middle) {
+		int upper = len - lower - 1;
+		int haslower = js_hasindex(J, 0, lower);
+		int hasupper = js_hasindex(J, 0, upper);
+		if (haslower && hasupper) {
+			js_setindex(J, 0, lower);
+			js_setindex(J, 0, upper);
+		} else if (hasupper) {
+			js_setindex(J, 0, lower);
+			js_delindex(J, 0, upper);
+		} else if (haslower) {
+			js_setindex(J, 0, upper);
+			js_delindex(J, 0, lower);
+		}
+		++lower;
+	}
+
+	js_copy(J, 0);
+}
+
+static void Ap_shift(js_State *J)
+{
+	int k, len;
+
+	len = js_getlength(J, 0);
+
+	if (len == 0) {
+		js_setlength(J, 0, 0);
+		js_pushundefined(J);
+		return;
+	}
+
+	js_getindex(J, 0, 0);
+
+	for (k = 1; k < len; ++k) {
+		if (js_hasindex(J, 0, k))
+			js_setindex(J, 0, k - 1);
+		else
+			js_delindex(J, 0, k - 1);
+	}
+
+	js_delindex(J, 0, len - 1);
+	js_setlength(J, 0, len - 1);
+}
+
+static void Ap_slice(js_State *J)
+{
+	int len, s, e, n;
+	double sv, ev;
+
+	js_newarray(J);
+
+	len = js_getlength(J, 0);
+	sv = js_tointeger(J, 1);
+	ev = js_isdefined(J, 2) ? js_tointeger(J, 2) : len;
+
+	if (sv < 0) sv = sv + len;
+	if (ev < 0) ev = ev + len;
+
+	s = sv < 0 ? 0 : sv > len ? len : sv;
+	e = ev < 0 ? 0 : ev > len ? len : ev;
+
+	for (n = 0; s < e; ++s, ++n)
+		if (js_hasindex(J, 0, s))
+			js_setindex(J, -2, n);
+}
+
+struct sortslot {
+	js_Value v;
+	js_State *J;
+};
+
+static int sortcmp(const void *avoid, const void *bvoid)
+{
+	const struct sortslot *aslot = avoid, *bslot = bvoid;
+	const js_Value *a = &aslot->v, *b = &bslot->v;
+	js_State *J = aslot->J;
+	const char *sx, *sy;
+	double v;
+	int c;
+
+	int unx = (a->type == JS_TUNDEFINED);
+	int uny = (b->type == JS_TUNDEFINED);
+	if (unx) return !uny;
+	if (uny) return -1;
+
+	if (js_iscallable(J, 1)) {
+		js_copy(J, 1); /* copy function */
+		js_pushundefined(J);
+		js_pushvalue(J, *a);
+		js_pushvalue(J, *b);
+		js_call(J, 2);
+		v = js_tonumber(J, -1);
+		c = (v == 0) ? 0 : (v < 0) ? -1 : 1;
+		js_pop(J, 1);
+	} else {
+		js_pushvalue(J, *a);
+		js_pushvalue(J, *b);
+		sx = js_tostring(J, -2);
+		sy = js_tostring(J, -1);
+		c = strcmp(sx, sy);
+		js_pop(J, 2);
+	}
+	return c;
+}
+
+static void Ap_sort(js_State *J)
+{
+	struct sortslot *array = NULL;
+	int i, n, len;
+
+	len = js_getlength(J, 0);
+	if (len <= 0) {
+		js_copy(J, 0);
+		return;
+	}
+
+	if (len >= INT_MAX / (int)sizeof(*array))
+		js_rangeerror(J, "array is too large to sort");
+
+	array = js_malloc(J, len * sizeof *array);
+
+	/* Holding objects where the GC cannot see them is illegal, but if we
+	 * don't allow the GC to run we can use qsort() on a temporary array of
+	 * js_Values for fast sorting.
+	 */
+	++J->gcpause;
+
+	if (js_try(J)) {
+		--J->gcpause;
+		js_free(J, array);
+		js_throw(J);
+	}
+
+	n = 0;
+	for (i = 0; i < len; ++i) {
+		if (js_hasindex(J, 0, i)) {
+			array[n].v = *js_tovalue(J, -1);
+			array[n].J = J;
+			js_pop(J, 1);
+			++n;
+		}
+	}
+
+	qsort(array, n, sizeof *array, sortcmp);
+
+	for (i = 0; i < n; ++i) {
+		js_pushvalue(J, array[i].v);
+		js_setindex(J, 0, i);
+	}
+	for (i = n; i < len; ++i) {
+		js_delindex(J, 0, i);
+	}
+
+	--J->gcpause;
+
+	js_endtry(J);
+	js_free(J, array);
+
+	js_copy(J, 0);
+}
+
+static void Ap_splice(js_State *J)
+{
+	int top = js_gettop(J);
+	int len, start, del, add, k;
+	double f;
+
+	js_newarray(J);
+
+	len = js_getlength(J, 0);
+
+	f = js_tointeger(J, 1);
+	if (f < 0) f = f + len;
+	start = f < 0 ? 0 : f > len ? len : f;
+
+	f = js_tointeger(J, 2);
+	del = f < 0 ? 0 : f > len - start ? len - start : f;
+
+	/* copy deleted items to return array */
+	for (k = 0; k < del; ++k)
+		if (js_hasindex(J, 0, start + k))
+			js_setindex(J, -2, k);
+	js_setlength(J, -1, del);
+
+	/* shift the tail to resize the hole left by deleted items */
+	add = top - 3;
+	if (add < del) {
+		for (k = start; k < len - del; ++k) {
+			if (js_hasindex(J, 0, k + del))
+				js_setindex(J, 0, k + add);
+			else
+				js_delindex(J, 0, k + add);
+		}
+		for (k = len; k > len - del + add; --k)
+			js_delindex(J, 0, k - 1);
+	} else if (add > del) {
+		for (k = len - del; k > start; --k) {
+			if (js_hasindex(J, 0, k + del - 1))
+				js_setindex(J, 0, k + add - 1);
+			else
+				js_delindex(J, 0, k + add - 1);
+		}
+	}
+
+	/* copy new items into the hole */
+	for (k = 0; k < add; ++k) {
+		js_copy(J, 3 + k);
+		js_setindex(J, 0, start + k);
+	}
+
+	js_setlength(J, 0, len - del + add);
+}
+
+static void Ap_unshift(js_State *J)
+{
+	int i, top = js_gettop(J);
+	int k, len;
+
+	len = js_getlength(J, 0);
+
+	for (k = len; k > 0; --k) {
+		int from = k - 1;
+		int to = k + top - 2;
+		if (js_hasindex(J, 0, from))
+			js_setindex(J, 0, to);
+		else
+			js_delindex(J, 0, to);
+	}
+
+	for (i = 1; i < top; ++i) {
+		js_copy(J, i);
+		js_setindex(J, 0, i - 1);
+	}
+
+	js_setlength(J, 0, len + top - 1);
+
+	js_pushnumber(J, len + top - 1);
+}
+
+static void Ap_toString(js_State *J)
+{
+	int top = js_gettop(J);
+	js_pop(J, top - 1);
+	Ap_join(J);
+}
+
+static void Ap_indexOf(js_State *J)
+{
+	int k, len, from;
+
+	len = js_getlength(J, 0);
+	from = js_isdefined(J, 2) ? js_tointeger(J, 2) : 0;
+	if (from < 0) from = len + from;
+	if (from < 0) from = 0;
+
+	js_copy(J, 1);
+	for (k = from; k < len; ++k) {
+		if (js_hasindex(J, 0, k)) {
+			if (js_strictequal(J)) {
+				js_pushnumber(J, k);
+				return;
+			}
+			js_pop(J, 1);
+		}
+	}
+
+	js_pushnumber(J, -1);
+}
+
+static void Ap_lastIndexOf(js_State *J)
+{
+	int k, len, from;
+
+	len = js_getlength(J, 0);
+	from = js_isdefined(J, 2) ? js_tointeger(J, 2) : len - 1;
+	if (from > len - 1) from = len - 1;
+	if (from < 0) from = len + from;
+
+	js_copy(J, 1);
+	for (k = from; k >= 0; --k) {
+		if (js_hasindex(J, 0, k)) {
+			if (js_strictequal(J)) {
+				js_pushnumber(J, k);
+				return;
+			}
+			js_pop(J, 1);
+		}
+	}
+
+	js_pushnumber(J, -1);
+}
+
+static void Ap_every(js_State *J)
+{
+	int hasthis = js_gettop(J) >= 3;
+	int k, len;
+
+	if (!js_iscallable(J, 1))
+		js_typeerror(J, "callback is not a function");
+
+	len = js_getlength(J, 0);
+	for (k = 0; k < len; ++k) {
+		if (js_hasindex(J, 0, k)) {
+			js_copy(J, 1);
+			if (hasthis)
+				js_copy(J, 2);
+			else
+				js_pushundefined(J);
+			js_copy(J, -3);
+			js_pushnumber(J, k);
+			js_copy(J, 0);
+			js_call(J, 3);
+			if (!js_toboolean(J, -1))
+				return;
+			js_pop(J, 2);
+		}
+	}
+
+	js_pushboolean(J, 1);
+}
+
+static void Ap_some(js_State *J)
+{
+	int hasthis = js_gettop(J) >= 3;
+	int k, len;
+
+	if (!js_iscallable(J, 1))
+		js_typeerror(J, "callback is not a function");
+
+	len = js_getlength(J, 0);
+	for (k = 0; k < len; ++k) {
+		if (js_hasindex(J, 0, k)) {
+			js_copy(J, 1);
+			if (hasthis)
+				js_copy(J, 2);
+			else
+				js_pushundefined(J);
+			js_copy(J, -3);
+			js_pushnumber(J, k);
+			js_copy(J, 0);
+			js_call(J, 3);
+			if (js_toboolean(J, -1))
+				return;
+			js_pop(J, 2);
+		}
+	}
+
+	js_pushboolean(J, 0);
+}
+
+static void Ap_forEach(js_State *J)
+{
+	int hasthis = js_gettop(J) >= 3;
+	int k, len;
+
+	if (!js_iscallable(J, 1))
+		js_typeerror(J, "callback is not a function");
+
+	len = js_getlength(J, 0);
+	for (k = 0; k < len; ++k) {
+		if (js_hasindex(J, 0, k)) {
+			js_copy(J, 1);
+			if (hasthis)
+				js_copy(J, 2);
+			else
+				js_pushundefined(J);
+			js_copy(J, -3);
+			js_pushnumber(J, k);
+			js_copy(J, 0);
+			js_call(J, 3);
+			js_pop(J, 2);
+		}
+	}
+
+	js_pushundefined(J);
+}
+
+static void Ap_map(js_State *J)
+{
+	int hasthis = js_gettop(J) >= 3;
+	int k, len;
+
+	if (!js_iscallable(J, 1))
+		js_typeerror(J, "callback is not a function");
+
+	js_newarray(J);
+
+	len = js_getlength(J, 0);
+	for (k = 0; k < len; ++k) {
+		if (js_hasindex(J, 0, k)) {
+			js_copy(J, 1);
+			if (hasthis)
+				js_copy(J, 2);
+			else
+				js_pushundefined(J);
+			js_copy(J, -3);
+			js_pushnumber(J, k);
+			js_copy(J, 0);
+			js_call(J, 3);
+			js_setindex(J, -3, k);
+			js_pop(J, 1);
+		}
+	}
+}
+
+static void Ap_filter(js_State *J)
+{
+	int hasthis = js_gettop(J) >= 3;
+	int k, to, len;
+
+	if (!js_iscallable(J, 1))
+		js_typeerror(J, "callback is not a function");
+
+	js_newarray(J);
+	to = 0;
+
+	len = js_getlength(J, 0);
+	for (k = 0; k < len; ++k) {
+		if (js_hasindex(J, 0, k)) {
+			js_copy(J, 1);
+			if (hasthis)
+				js_copy(J, 2);
+			else
+				js_pushundefined(J);
+			js_copy(J, -3);
+			js_pushnumber(J, k);
+			js_copy(J, 0);
+			js_call(J, 3);
+			if (js_toboolean(J, -1)) {
+				js_pop(J, 1);
+				js_setindex(J, -2, to++);
+			} else {
+				js_pop(J, 2);
+			}
+		}
+	}
+}
+
+static void Ap_reduce(js_State *J)
+{
+	int hasinitial = js_gettop(J) >= 3;
+	int k, len;
+
+	if (!js_iscallable(J, 1))
+		js_typeerror(J, "callback is not a function");
+
+	len = js_getlength(J, 0);
+	k = 0;
+
+	if (len == 0 && !hasinitial)
+		js_typeerror(J, "no initial value");
+
+	/* initial value of accumulator */
+	if (hasinitial)
+		js_copy(J, 2);
+	else {
+		while (k < len)
+			if (js_hasindex(J, 0, k++))
+				break;
+		if (k == len)
+			js_typeerror(J, "no initial value");
+	}
+
+	while (k < len) {
+		if (js_hasindex(J, 0, k)) {
+			js_copy(J, 1);
+			js_pushundefined(J);
+			js_rot(J, 4); /* accumulator on top */
+			js_rot(J, 4); /* property on top */
+			js_pushnumber(J, k);
+			js_copy(J, 0);
+			js_call(J, 4); /* calculate new accumulator */
+		}
+		++k;
+	}
+
+	/* return accumulator */
+}
+
+static void Ap_reduceRight(js_State *J)
+{
+	int hasinitial = js_gettop(J) >= 3;
+	int k, len;
+
+	if (!js_iscallable(J, 1))
+		js_typeerror(J, "callback is not a function");
+
+	len = js_getlength(J, 0);
+	k = len - 1;
+
+	if (len == 0 && !hasinitial)
+		js_typeerror(J, "no initial value");
+
+	/* initial value of accumulator */
+	if (hasinitial)
+		js_copy(J, 2);
+	else {
+		while (k >= 0)
+			if (js_hasindex(J, 0, k--))
+				break;
+		if (k < 0)
+			js_typeerror(J, "no initial value");
+	}
+
+	while (k >= 0) {
+		if (js_hasindex(J, 0, k)) {
+			js_copy(J, 1);
+			js_pushundefined(J);
+			js_rot(J, 4); /* accumulator on top */
+			js_rot(J, 4); /* property on top */
+			js_pushnumber(J, k);
+			js_copy(J, 0);
+			js_call(J, 4); /* calculate new accumulator */
+		}
+		--k;
+	}
+
+	/* return accumulator */
+}
+
+static void A_isArray(js_State *J)
+{
+	if (js_isobject(J, 1)) {
+		js_Object *T = js_toobject(J, 1);
+		js_pushboolean(J, T->type == JS_CARRAY);
+	} else {
+		js_pushboolean(J, 0);
+	}
+}
+
+void jsB_initarray(js_State *J)
+{
+	js_pushobject(J, J->Array_prototype);
+	{
+		jsB_propf(J, "Array.prototype.toString", Ap_toString, 0);
+		jsB_propf(J, "Array.prototype.concat", Ap_concat, 0); /* 1 */
+		jsB_propf(J, "Array.prototype.join", Ap_join, 1);
+		jsB_propf(J, "Array.prototype.pop", Ap_pop, 0);
+		jsB_propf(J, "Array.prototype.push", Ap_push, 0); /* 1 */
+		jsB_propf(J, "Array.prototype.reverse", Ap_reverse, 0);
+		jsB_propf(J, "Array.prototype.shift", Ap_shift, 0);
+		jsB_propf(J, "Array.prototype.slice", Ap_slice, 2);
+		jsB_propf(J, "Array.prototype.sort", Ap_sort, 1);
+		jsB_propf(J, "Array.prototype.splice", Ap_splice, 0); /* 2 */
+		jsB_propf(J, "Array.prototype.unshift", Ap_unshift, 0); /* 1 */
+
+		/* ES5 */
+		jsB_propf(J, "Array.prototype.indexOf", Ap_indexOf, 1);
+		jsB_propf(J, "Array.prototype.lastIndexOf", Ap_lastIndexOf, 1);
+		jsB_propf(J, "Array.prototype.every", Ap_every, 1);
+		jsB_propf(J, "Array.prototype.some", Ap_some, 1);
+		jsB_propf(J, "Array.prototype.forEach", Ap_forEach, 1);
+		jsB_propf(J, "Array.prototype.map", Ap_map, 1);
+		jsB_propf(J, "Array.prototype.filter", Ap_filter, 1);
+		jsB_propf(J, "Array.prototype.reduce", Ap_reduce, 1);
+		jsB_propf(J, "Array.prototype.reduceRight", Ap_reduceRight, 1);
+	}
+	js_newcconstructor(J, jsB_new_Array, jsB_new_Array, "Array", 0); /* 1 */
+	{
+		/* ES5 */
+		jsB_propf(J, "Array.isArray", A_isArray, 1);
+	}
+	js_defglobal(J, "Array", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/jsboolean.c

@@ -0,0 +1,40 @@
+#include "jsi.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+static void jsB_new_Boolean(js_State *J)
+{
+	js_newboolean(J, js_toboolean(J, 1));
+}
+
+static void jsB_Boolean(js_State *J)
+{
+	js_pushboolean(J, js_toboolean(J, 1));
+}
+
+static void Bp_toString(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	if (self->type != JS_CBOOLEAN) js_typeerror(J, "not a boolean");
+	js_pushliteral(J, self->u.boolean ? "true" : "false");
+}
+
+static void Bp_valueOf(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	if (self->type != JS_CBOOLEAN) js_typeerror(J, "not a boolean");
+	js_pushboolean(J, self->u.boolean);
+}
+
+void jsB_initboolean(js_State *J)
+{
+	J->Boolean_prototype->u.boolean = 0;
+
+	js_pushobject(J, J->Boolean_prototype);
+	{
+		jsB_propf(J, "Boolean.prototype.toString", Bp_toString, 0);
+		jsB_propf(J, "Boolean.prototype.valueOf", Bp_valueOf, 0);
+	}
+	js_newcconstructor(J, jsB_Boolean, jsB_new_Boolean, "Boolean", 1);
+	js_defglobal(J, "Boolean", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/jsbuiltin.c

@@ -0,0 +1,245 @@
+#include "jsi.h"
+#include "jslex.h"
+#include "jscompile.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+static void jsB_globalf(js_State *J, const char *name, js_CFunction cfun, int n)
+{
+	js_newcfunction(J, cfun, name, n);
+	js_defglobal(J, name, JS_DONTENUM);
+}
+
+void jsB_propf(js_State *J, const char *name, js_CFunction cfun, int n)
+{
+	const char *pname = strrchr(name, '.');
+	pname = pname ? pname + 1 : name;
+	js_newcfunction(J, cfun, name, n);
+	js_defproperty(J, -2, pname, JS_DONTENUM);
+}
+
+void jsB_propn(js_State *J, const char *name, double number)
+{
+	js_pushnumber(J, number);
+	js_defproperty(J, -2, name, JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+}
+
+void jsB_props(js_State *J, const char *name, const char *string)
+{
+	js_pushliteral(J, string);
+	js_defproperty(J, -2, name, JS_DONTENUM);
+}
+
+static void jsB_parseInt(js_State *J)
+{
+	const char *s = js_tostring(J, 1);
+	int radix = js_isdefined(J, 2) ? js_tointeger(J, 2) : 10;
+	double sign = 1;
+	double n;
+	char *e;
+
+	while (jsY_iswhite(*s) || jsY_isnewline(*s))
+		++s;
+	if (*s == '-') {
+		++s;
+		sign = -1;
+	} else if (*s == '+') {
+		++s;
+	}
+	if (radix == 0) {
+		radix = 10;
+		if (s[0] == '0' && (s[1] == 'x' || s[1] == 'X')) {
+			s += 2;
+			radix = 16;
+		}
+	} else if (radix < 2 || radix > 36) {
+		js_pushnumber(J, NAN);
+		return;
+	}
+	n = strtol(s, &e, radix);
+	if (s == e)
+		js_pushnumber(J, NAN);
+	else
+		js_pushnumber(J, n * sign);
+}
+
+static void jsB_parseFloat(js_State *J)
+{
+	const char *s = js_tostring(J, 1);
+	char *e;
+	double n;
+
+	while (jsY_iswhite(*s) || jsY_isnewline(*s)) ++s;
+	if (!strncmp(s, "Infinity", 8))
+		js_pushnumber(J, INFINITY);
+	else if (!strncmp(s, "+Infinity", 9))
+		js_pushnumber(J, INFINITY);
+	else if (!strncmp(s, "-Infinity", 9))
+		js_pushnumber(J, -INFINITY);
+	else {
+		n = js_stringtofloat(s, &e);
+		if (e == s)
+			js_pushnumber(J, NAN);
+		else
+			js_pushnumber(J, n);
+	}
+}
+
+static void jsB_isNaN(js_State *J)
+{
+	double n = js_tonumber(J, 1);
+	js_pushboolean(J, isnan(n));
+}
+
+static void jsB_isFinite(js_State *J)
+{
+	double n = js_tonumber(J, 1);
+	js_pushboolean(J, isfinite(n));
+}
+
+static void Encode(js_State *J, const char *str, const char *unescaped)
+{
+	js_Buffer *sb = NULL;
+
+	static const char *HEX = "0123456789ABCDEF";
+
+	if (js_try(J)) {
+		js_free(J, sb);
+		js_throw(J);
+	}
+
+	while (*str) {
+		int c = (unsigned char) *str++;
+		if (strchr(unescaped, c))
+			js_putc(J, &sb, c);
+		else {
+			js_putc(J, &sb, '%');
+			js_putc(J, &sb, HEX[(c >> 4) & 0xf]);
+			js_putc(J, &sb, HEX[c & 0xf]);
+		}
+	}
+	js_putc(J, &sb, 0);
+
+	js_pushstring(J, sb ? sb->s : "");
+	js_endtry(J);
+	js_free(J, sb);
+}
+
+static void Decode(js_State *J, const char *str, const char *reserved)
+{
+	js_Buffer *sb = NULL;
+	int a, b;
+
+	if (js_try(J)) {
+		js_free(J, sb);
+		js_throw(J);
+	}
+
+	while (*str) {
+		int c = (unsigned char) *str++;
+		if (c != '%')
+			js_putc(J, &sb, c);
+		else {
+			if (!str[0] || !str[1])
+				js_urierror(J, "truncated escape sequence");
+			a = *str++;
+			b = *str++;
+			if (!jsY_ishex(a) || !jsY_ishex(b))
+				js_urierror(J, "invalid escape sequence");
+			c = jsY_tohex(a) << 4 | jsY_tohex(b);
+			if (!strchr(reserved, c))
+				js_putc(J, &sb, c);
+			else {
+				js_putc(J, &sb, '%');
+				js_putc(J, &sb, a);
+				js_putc(J, &sb, b);
+			}
+		}
+	}
+	js_putc(J, &sb, 0);
+
+	js_pushstring(J, sb ? sb->s : "");
+	js_endtry(J);
+	js_free(J, sb);
+}
+
+#define URIRESERVED ";/?:@&=+$,"
+#define URIALPHA "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+#define URIDIGIT "0123456789"
+#define URIMARK "-_.!~*`()"
+#define URIUNESCAPED URIALPHA URIDIGIT URIMARK
+
+static void jsB_decodeURI(js_State *J)
+{
+	Decode(J, js_tostring(J, 1), URIRESERVED "#");
+}
+
+static void jsB_decodeURIComponent(js_State *J)
+{
+	Decode(J, js_tostring(J, 1), "");
+}
+
+static void jsB_encodeURI(js_State *J)
+{
+	Encode(J, js_tostring(J, 1), URIUNESCAPED URIRESERVED "#");
+}
+
+static void jsB_encodeURIComponent(js_State *J)
+{
+	Encode(J, js_tostring(J, 1), URIUNESCAPED);
+}
+
+void jsB_init(js_State *J)
+{
+	/* Create the prototype objects here, before the constructors */
+	J->Object_prototype = jsV_newobject(J, JS_COBJECT, NULL);
+	J->Array_prototype = jsV_newobject(J, JS_CARRAY, J->Object_prototype);
+	J->Function_prototype = jsV_newobject(J, JS_CCFUNCTION, J->Object_prototype);
+	J->Boolean_prototype = jsV_newobject(J, JS_CBOOLEAN, J->Object_prototype);
+	J->Number_prototype = jsV_newobject(J, JS_CNUMBER, J->Object_prototype);
+	J->String_prototype = jsV_newobject(J, JS_CSTRING, J->Object_prototype);
+	J->RegExp_prototype = jsV_newobject(J, JS_COBJECT, J->Object_prototype);
+	J->Date_prototype = jsV_newobject(J, JS_CDATE, J->Object_prototype);
+
+	/* All the native error types */
+	J->Error_prototype = jsV_newobject(J, JS_CERROR, J->Object_prototype);
+	J->EvalError_prototype = jsV_newobject(J, JS_CERROR, J->Error_prototype);
+	J->RangeError_prototype = jsV_newobject(J, JS_CERROR, J->Error_prototype);
+	J->ReferenceError_prototype = jsV_newobject(J, JS_CERROR, J->Error_prototype);
+	J->SyntaxError_prototype = jsV_newobject(J, JS_CERROR, J->Error_prototype);
+	J->TypeError_prototype = jsV_newobject(J, JS_CERROR, J->Error_prototype);
+	J->URIError_prototype = jsV_newobject(J, JS_CERROR, J->Error_prototype);
+
+	/* Create the constructors and fill out the prototype objects */
+	jsB_initobject(J);
+	jsB_initarray(J);
+	jsB_initfunction(J);
+	jsB_initboolean(J);
+	jsB_initnumber(J);
+	jsB_initstring(J);
+	jsB_initregexp(J);
+	jsB_initdate(J);
+	jsB_initerror(J);
+	jsB_initmath(J);
+	jsB_initjson(J);
+
+	/* Initialize the global object */
+	js_pushnumber(J, NAN);
+	js_defglobal(J, "NaN", JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+
+	js_pushnumber(J, INFINITY);
+	js_defglobal(J, "Infinity", JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+
+	js_pushundefined(J);
+	js_defglobal(J, "undefined", JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+
+	jsB_globalf(J, "parseInt", jsB_parseInt, 1);
+	jsB_globalf(J, "parseFloat", jsB_parseFloat, 1);
+	jsB_globalf(J, "isNaN", jsB_isNaN, 1);
+	jsB_globalf(J, "isFinite", jsB_isFinite, 1);
+
+	jsB_globalf(J, "decodeURI", jsB_decodeURI, 1);
+	jsB_globalf(J, "decodeURIComponent", jsB_decodeURIComponent, 1);
+	jsB_globalf(J, "encodeURI", jsB_encodeURI, 1);
+	jsB_globalf(J, "encodeURIComponent", jsB_encodeURIComponent, 1);
+}

programs/develop/kosjs/libmujs/jsdate.c

@@ -0,0 +1,812 @@
+#include "jsi.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+#include <time.h>
+
+#if defined(__unix__) || defined(__APPLE__)
+#include <sys/time.h>
+#elif defined(_WIN32)
+#include <sys/timeb.h>
+#endif
+
+#define js_optnumber(J,I,V) (js_isdefined(J,I) ? js_tonumber(J,I) : V)
+
+static double Now(void)
+{
+#if defined(__unix__) || defined(__APPLE__)
+	struct timeval tv;
+	gettimeofday(&tv, NULL);
+	return floor(tv.tv_sec * 1000.0 + tv.tv_usec / 1000.0);
+#elif defined(_WIN32)
+	struct _timeb tv;
+	_ftime(&tv);
+	return tv.time * 1000.0 + tv.millitm;
+#else
+	return time(NULL) * 1000.0;
+#endif
+}
+
+static double LocalTZA(void)
+{
+	static int once = 1;
+	static double tza = 0;
+	if (once) {
+		time_t now = time(NULL);
+		time_t utc = mktime(gmtime(&now));
+		time_t loc = mktime(localtime(&now));
+		tza = (loc - utc) * 1000;
+		once = 0;
+	}
+	return tza;
+}
+
+static double DaylightSavingTA(double t)
+{
+	return 0; /* TODO */
+}
+
+/* Helpers from the ECMA 262 specification */
+
+#define HoursPerDay		24.0
+#define MinutesPerDay		(HoursPerDay * MinutesPerHour)
+#define MinutesPerHour		60.0
+#define SecondsPerDay		(MinutesPerDay * SecondsPerMinute)
+#define SecondsPerHour		(MinutesPerHour * SecondsPerMinute)
+#define SecondsPerMinute	60.0
+
+#define msPerDay	(SecondsPerDay * msPerSecond)
+#define msPerHour	(SecondsPerHour * msPerSecond)
+#define msPerMinute	(SecondsPerMinute * msPerSecond)
+#define msPerSecond	1000.0
+
+static double pmod(double x, double y)
+{
+	x = fmod(x, y);
+	if (x < 0)
+		x += y;
+	return x;
+}
+
+static int Day(double t)
+{
+	return floor(t / msPerDay);
+}
+
+static double TimeWithinDay(double t)
+{
+	return pmod(t, msPerDay);
+}
+
+static int DaysInYear(int y)
+{
+	return y % 4 == 0 && (y % 100 || (y % 400 == 0)) ? 366 : 365;
+}
+
+static int DayFromYear(int y)
+{
+	return 365 * (y - 1970) +
+		floor((y - 1969) / 4.0) -
+		floor((y - 1901) / 100.0) +
+		floor((y - 1601) / 400.0);
+}
+
+static double TimeFromYear(int y)
+{
+	return DayFromYear(y) * msPerDay;
+}
+
+static int YearFromTime(double t)
+{
+	int y = floor(t / (msPerDay * 365.2425)) + 1970;
+	double t2 = TimeFromYear(y);
+	if (t2 > t)
+		--y;
+	else if (t2 + msPerDay * DaysInYear(y) <= t)
+		++y;
+	return y;
+}
+
+static int InLeapYear(double t)
+{
+	return DaysInYear(YearFromTime(t)) == 366;
+}
+
+static int DayWithinYear(double t)
+{
+	return Day(t) - DayFromYear(YearFromTime(t));
+}
+
+static int MonthFromTime(double t)
+{
+	int day = DayWithinYear(t);
+	int leap = InLeapYear(t);
+	if (day < 31) return 0;
+	if (day < 59 + leap) return 1;
+	if (day < 90 + leap) return 2;
+	if (day < 120 + leap) return 3;
+	if (day < 151 + leap) return 4;
+	if (day < 181 + leap) return 5;
+	if (day < 212 + leap) return 6;
+	if (day < 243 + leap) return 7;
+	if (day < 273 + leap) return 8;
+	if (day < 304 + leap) return 9;
+	if (day < 334 + leap) return 10;
+	return 11;
+}
+
+static int DateFromTime(double t)
+{
+	int day = DayWithinYear(t);
+	int leap = InLeapYear(t);
+	switch (MonthFromTime(t)) {
+	case 0: return day + 1;
+	case 1: return day - 30;
+	case 2: return day - 58 - leap;
+	case 3: return day - 89 - leap;
+	case 4: return day - 119 - leap;
+	case 5: return day - 150 - leap;
+	case 6: return day - 180 - leap;
+	case 7: return day - 211 - leap;
+	case 8: return day - 242 - leap;
+	case 9: return day - 272 - leap;
+	case 10: return day - 303 - leap;
+	default : return day - 333 - leap;
+	}
+}
+
+static int WeekDay(double t)
+{
+	return pmod(Day(t) + 4, 7);
+}
+
+static double LocalTime(double utc)
+{
+	return utc + LocalTZA() + DaylightSavingTA(utc);
+}
+
+static double UTC(double loc)
+{
+	return loc - LocalTZA() - DaylightSavingTA(loc - LocalTZA());
+}
+
+static int HourFromTime(double t)
+{
+	return pmod(floor(t / msPerHour), HoursPerDay);
+}
+
+static int MinFromTime(double t)
+{
+	return pmod(floor(t / msPerMinute), MinutesPerHour);
+}
+
+static int SecFromTime(double t)
+{
+	return pmod(floor(t / msPerSecond), SecondsPerMinute);
+}
+
+static int msFromTime(double t)
+{
+	return pmod(t, msPerSecond);
+}
+
+static double MakeTime(double hour, double min, double sec, double ms)
+{
+	return ((hour * MinutesPerHour + min) * SecondsPerMinute + sec) * msPerSecond + ms;
+}
+
+static double MakeDay(double y, double m, double date)
+{
+	/*
+	 * The following array contains the day of year for the first day of
+	 * each month, where index 0 is January, and day 0 is January 1.
+	 */
+	static const double firstDayOfMonth[2][12] = {
+		{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334},
+		{0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335}
+	};
+
+	double yd, md;
+	int im;
+
+	y += floor(m / 12);
+	m = pmod(m, 12);
+
+	im = (int)m;
+	if (im < 0 || im >= 12)
+		return NAN;
+
+	yd = floor(TimeFromYear(y) / msPerDay);
+	md = firstDayOfMonth[DaysInYear(y) == 366][im];
+
+	return yd + md + date - 1;
+}
+
+static double MakeDate(double day, double time)
+{
+	return day * msPerDay + time;
+}
+
+static double TimeClip(double t)
+{
+	if (!isfinite(t))
+		return NAN;
+	if (fabs(t) > 8.64e15)
+		return NAN;
+	return t < 0 ? -floor(-t) : floor(t);
+}
+
+static int toint(const char **sp, int w, int *v)
+{
+	const char *s = *sp;
+	*v = 0;
+	while (w--) {
+		if (*s < '0' || *s > '9')
+			return 0;
+		*v = *v * 10 + (*s++ - '0');
+	}
+	*sp = s;
+	return 1;
+}
+
+static double parseDateTime(const char *s)
+{
+	int y = 1970, m = 1, d = 1, H = 0, M = 0, S = 0, ms = 0;
+	int tza = 0;
+	double t;
+
+	/* Parse ISO 8601 formatted date and time: */
+	/* YYYY("-"MM("-"DD)?)?("T"HH":"mm(":"ss("."sss)?)?("Z"|[+-]HH(":"mm)?)?)? */
+
+	if (!toint(&s, 4, &y)) return NAN;
+	if (*s == '-') {
+		s += 1;
+		if (!toint(&s, 2, &m)) return NAN;
+		if (*s == '-') {
+			s += 1;
+			if (!toint(&s, 2, &d)) return NAN;
+		}
+	}
+
+	if (*s == 'T') {
+		s += 1;
+		if (!toint(&s, 2, &H)) return NAN;
+		if (*s != ':') return NAN;
+		s += 1;
+		if (!toint(&s, 2, &M)) return NAN;
+		if (*s == ':') {
+			s += 1;
+			if (!toint(&s, 2, &S)) return NAN;
+			if (*s == '.') {
+				s += 1;
+				if (!toint(&s, 3, &ms)) return NAN;
+			}
+		}
+		if (*s == 'Z') {
+			s += 1;
+			tza = 0;
+		} else if (*s == '+' || *s == '-') {
+			int tzh = 0, tzm = 0;
+			int tzs = *s == '+' ? 1 : -1;
+			s += 1;
+			if (!toint(&s, 2, &tzh)) return NAN;
+			if (*s == ':') {
+				s += 1;
+				if (!toint(&s, 2, &tzm)) return NAN;
+			}
+			if (tzh > 23 || tzm > 59) return NAN;
+			tza = tzs * (tzh * msPerHour + tzm * msPerMinute);
+		} else {
+			tza = LocalTZA();
+		}
+	}
+
+	if (*s) return NAN;
+
+	if (m < 1 || m > 12) return NAN;
+	if (d < 1 || d > 31) return NAN;
+	if (H < 0 || H > 24) return NAN;
+	if (M < 0 || M > 59) return NAN;
+	if (S < 0 || S > 59) return NAN;
+	if (ms < 0 || ms > 999) return NAN;
+	if (H == 24 && (M != 0 || S != 0 || ms != 0)) return NAN;
+
+	/* TODO: DaylightSavingTA on local times */
+	t = MakeDate(MakeDay(y, m-1, d), MakeTime(H, M, S, ms));
+	return t - tza;
+}
+
+/* date formatting */
+
+static char *fmtdate(char *buf, double t)
+{
+	int y = YearFromTime(t);
+	int m = MonthFromTime(t);
+	int d = DateFromTime(t);
+	if (!isfinite(t))
+		return "Invalid Date";
+	sprintf(buf, "%04d-%02d-%02d", y, m+1, d);
+	return buf;
+}
+
+static char *fmttime(char *buf, double t, double tza)
+{
+	int H = HourFromTime(t);
+	int M = MinFromTime(t);
+	int S = SecFromTime(t);
+	int ms = msFromTime(t);
+	int tzh = HourFromTime(fabs(tza));
+	int tzm = MinFromTime(fabs(tza));
+	if (!isfinite(t))
+		return "Invalid Date";
+	if (tza == 0)
+		sprintf(buf, "%02d:%02d:%02d.%03dZ", H, M, S, ms);
+	else if (tza < 0)
+		sprintf(buf, "%02d:%02d:%02d.%03d-%02d:%02d", H, M, S, ms, tzh, tzm);
+	else
+		sprintf(buf, "%02d:%02d:%02d.%03d+%02d:%02d", H, M, S, ms, tzh, tzm);
+	return buf;
+}
+
+static char *fmtdatetime(char *buf, double t, double tza)
+{
+	char dbuf[20], tbuf[20];
+	if (!isfinite(t))
+		return "Invalid Date";
+	fmtdate(dbuf, t);
+	fmttime(tbuf, t, tza);
+	sprintf(buf, "%sT%s", dbuf, tbuf);
+	return buf;
+}
+
+/* Date functions */
+
+static double js_todate(js_State *J, int idx)
+{
+	js_Object *self = js_toobject(J, idx);
+	if (self->type != JS_CDATE)
+		js_typeerror(J, "not a date");
+	return self->u.number;
+}
+
+static void js_setdate(js_State *J, int idx, double t)
+{
+	js_Object *self = js_toobject(J, idx);
+	if (self->type != JS_CDATE)
+		js_typeerror(J, "not a date");
+	self->u.number = TimeClip(t);
+	js_pushnumber(J, self->u.number);
+}
+
+static void D_parse(js_State *J)
+{
+	double t = parseDateTime(js_tostring(J, 1));
+	js_pushnumber(J, t);
+}
+
+static void D_UTC(js_State *J)
+{
+	double y, m, d, H, M, S, ms, t;
+	y = js_tonumber(J, 1);
+	if (y < 100) y += 1900;
+	m = js_tonumber(J, 2);
+	d = js_optnumber(J, 3, 1);
+	H = js_optnumber(J, 4, 0);
+	M = js_optnumber(J, 5, 0);
+	S = js_optnumber(J, 6, 0);
+	ms = js_optnumber(J, 7, 0);
+	t = MakeDate(MakeDay(y, m, d), MakeTime(H, M, S, ms));
+	t = TimeClip(t);
+	js_pushnumber(J, t);
+}
+
+static void D_now(js_State *J)
+{
+	js_pushnumber(J, Now());
+}
+
+static void jsB_Date(js_State *J)
+{
+	char buf[64];
+	js_pushstring(J, fmtdatetime(buf, LocalTime(Now()), LocalTZA()));
+}
+
+static void jsB_new_Date(js_State *J)
+{
+	int top = js_gettop(J);
+	js_Object *obj;
+	double t;
+
+	if (top == 1)
+		t = Now();
+	else if (top == 2) {
+		js_toprimitive(J, 1, JS_HNONE);
+		if (js_isstring(J, 1))
+			t = parseDateTime(js_tostring(J, 1));
+		else
+			t = TimeClip(js_tonumber(J, 1));
+	} else {
+		double y, m, d, H, M, S, ms;
+		y = js_tonumber(J, 1);
+		if (y < 100) y += 1900;
+		m = js_tonumber(J, 2);
+		d = js_optnumber(J, 3, 1);
+		H = js_optnumber(J, 4, 0);
+		M = js_optnumber(J, 5, 0);
+		S = js_optnumber(J, 6, 0);
+		ms = js_optnumber(J, 7, 0);
+		t = MakeDate(MakeDay(y, m, d), MakeTime(H, M, S, ms));
+		t = TimeClip(UTC(t));
+	}
+
+	obj = jsV_newobject(J, JS_CDATE, J->Date_prototype);
+	obj->u.number = t;
+
+	js_pushobject(J, obj);
+}
+
+static void Dp_valueOf(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, t);
+}
+
+static void Dp_toString(js_State *J)
+{
+	char buf[64];
+	double t = js_todate(J, 0);
+	js_pushstring(J, fmtdatetime(buf, LocalTime(t), LocalTZA()));
+}
+
+static void Dp_toDateString(js_State *J)
+{
+	char buf[64];
+	double t = js_todate(J, 0);
+	js_pushstring(J, fmtdate(buf, LocalTime(t)));
+}
+
+static void Dp_toTimeString(js_State *J)
+{
+	char buf[64];
+	double t = js_todate(J, 0);
+	js_pushstring(J, fmttime(buf, LocalTime(t), LocalTZA()));
+}
+
+static void Dp_toUTCString(js_State *J)
+{
+	char buf[64];
+	double t = js_todate(J, 0);
+	js_pushstring(J, fmtdatetime(buf, t, 0));
+}
+
+static void Dp_toISOString(js_State *J)
+{
+	char buf[64];
+	double t = js_todate(J, 0);
+	if (!isfinite(t))
+		js_rangeerror(J, "invalid date");
+	js_pushstring(J, fmtdatetime(buf, t, 0));
+}
+
+static void Dp_getFullYear(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, YearFromTime(LocalTime(t)));
+}
+
+static void Dp_getMonth(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, MonthFromTime(LocalTime(t)));
+}
+
+static void Dp_getDate(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, DateFromTime(LocalTime(t)));
+}
+
+static void Dp_getDay(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, WeekDay(LocalTime(t)));
+}
+
+static void Dp_getHours(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, HourFromTime(LocalTime(t)));
+}
+
+static void Dp_getMinutes(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, MinFromTime(LocalTime(t)));
+}
+
+static void Dp_getSeconds(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, SecFromTime(LocalTime(t)));
+}
+
+static void Dp_getMilliseconds(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, msFromTime(LocalTime(t)));
+}
+
+static void Dp_getUTCFullYear(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, YearFromTime(t));
+}
+
+static void Dp_getUTCMonth(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, MonthFromTime(t));
+}
+
+static void Dp_getUTCDate(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, DateFromTime(t));
+}
+
+static void Dp_getUTCDay(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, WeekDay(t));
+}
+
+static void Dp_getUTCHours(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, HourFromTime(t));
+}
+
+static void Dp_getUTCMinutes(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, MinFromTime(t));
+}
+
+static void Dp_getUTCSeconds(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, SecFromTime(t));
+}
+
+static void Dp_getUTCMilliseconds(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, msFromTime(t));
+}
+
+static void Dp_getTimezoneOffset(js_State *J)
+{
+	double t = js_todate(J, 0);
+	js_pushnumber(J, (t - LocalTime(t)) / msPerMinute);
+}
+
+static void Dp_setTime(js_State *J)
+{
+	js_setdate(J, 0, js_tonumber(J, 1));
+}
+
+static void Dp_setMilliseconds(js_State *J)
+{
+	double t = LocalTime(js_todate(J, 0));
+	double h = HourFromTime(t);
+	double m = MinFromTime(t);
+	double s = SecFromTime(t);
+	double ms = js_tonumber(J, 1);
+	js_setdate(J, 0, UTC(MakeDate(Day(t), MakeTime(h, m, s, ms))));
+}
+
+static void Dp_setSeconds(js_State *J)
+{
+	double t = LocalTime(js_todate(J, 0));
+	double h = HourFromTime(t);
+	double m = MinFromTime(t);
+	double s = js_tonumber(J, 1);
+	double ms = js_optnumber(J, 2, msFromTime(t));
+	js_setdate(J, 0, UTC(MakeDate(Day(t), MakeTime(h, m, s, ms))));
+}
+
+static void Dp_setMinutes(js_State *J)
+{
+	double t = LocalTime(js_todate(J, 0));
+	double h = HourFromTime(t);
+	double m = js_tonumber(J, 1);
+	double s = js_optnumber(J, 2, SecFromTime(t));
+	double ms = js_optnumber(J, 3, msFromTime(t));
+	js_setdate(J, 0, UTC(MakeDate(Day(t), MakeTime(h, m, s, ms))));
+}
+
+static void Dp_setHours(js_State *J)
+{
+	double t = LocalTime(js_todate(J, 0));
+	double h = js_tonumber(J, 1);
+	double m = js_optnumber(J, 2, MinFromTime(t));
+	double s = js_optnumber(J, 3, SecFromTime(t));
+	double ms = js_optnumber(J, 4, msFromTime(t));
+	js_setdate(J, 0, UTC(MakeDate(Day(t), MakeTime(h, m, s, ms))));
+}
+
+static void Dp_setDate(js_State *J)
+{
+	double t = LocalTime(js_todate(J, 0));
+	double y = YearFromTime(t);
+	double m = MonthFromTime(t);
+	double d = js_tonumber(J, 1);
+	js_setdate(J, 0, UTC(MakeDate(MakeDay(y, m, d), TimeWithinDay(t))));
+}
+
+static void Dp_setMonth(js_State *J)
+{
+	double t = LocalTime(js_todate(J, 0));
+	double y = YearFromTime(t);
+	double m = js_tonumber(J, 1);
+	double d = js_optnumber(J, 2, DateFromTime(t));
+	js_setdate(J, 0, UTC(MakeDate(MakeDay(y, m, d), TimeWithinDay(t))));
+}
+
+static void Dp_setFullYear(js_State *J)
+{
+	double t = LocalTime(js_todate(J, 0));
+	double y = js_tonumber(J, 1);
+	double m = js_optnumber(J, 2, MonthFromTime(t));
+	double d = js_optnumber(J, 3, DateFromTime(t));
+	js_setdate(J, 0, UTC(MakeDate(MakeDay(y, m, d), TimeWithinDay(t))));
+}
+
+static void Dp_setUTCMilliseconds(js_State *J)
+{
+	double t = js_todate(J, 0);
+	double h = HourFromTime(t);
+	double m = MinFromTime(t);
+	double s = SecFromTime(t);
+	double ms = js_tonumber(J, 1);
+	js_setdate(J, 0, MakeDate(Day(t), MakeTime(h, m, s, ms)));
+}
+
+static void Dp_setUTCSeconds(js_State *J)
+{
+	double t = js_todate(J, 0);
+	double h = HourFromTime(t);
+	double m = MinFromTime(t);
+	double s = js_tonumber(J, 1);
+	double ms = js_optnumber(J, 2, msFromTime(t));
+	js_setdate(J, 0, MakeDate(Day(t), MakeTime(h, m, s, ms)));
+}
+
+static void Dp_setUTCMinutes(js_State *J)
+{
+	double t = js_todate(J, 0);
+	double h = HourFromTime(t);
+	double m = js_tonumber(J, 1);
+	double s = js_optnumber(J, 2, SecFromTime(t));
+	double ms = js_optnumber(J, 3, msFromTime(t));
+	js_setdate(J, 0, MakeDate(Day(t), MakeTime(h, m, s, ms)));
+}
+
+static void Dp_setUTCHours(js_State *J)
+{
+	double t = js_todate(J, 0);
+	double h = js_tonumber(J, 1);
+	double m = js_optnumber(J, 2, HourFromTime(t));
+	double s = js_optnumber(J, 3, SecFromTime(t));
+	double ms = js_optnumber(J, 4, msFromTime(t));
+	js_setdate(J, 0, MakeDate(Day(t), MakeTime(h, m, s, ms)));
+}
+
+static void Dp_setUTCDate(js_State *J)
+{
+	double t = js_todate(J, 0);
+	double y = YearFromTime(t);
+	double m = MonthFromTime(t);
+	double d = js_tonumber(J, 1);
+	js_setdate(J, 0, MakeDate(MakeDay(y, m, d), TimeWithinDay(t)));
+}
+
+static void Dp_setUTCMonth(js_State *J)
+{
+	double t = js_todate(J, 0);
+	double y = YearFromTime(t);
+	double m = js_tonumber(J, 1);
+	double d = js_optnumber(J, 2, DateFromTime(t));
+	js_setdate(J, 0, MakeDate(MakeDay(y, m, d), TimeWithinDay(t)));
+}
+
+static void Dp_setUTCFullYear(js_State *J)
+{
+	double t = js_todate(J, 0);
+	double y = js_tonumber(J, 1);
+	double m = js_optnumber(J, 2, MonthFromTime(t));
+	double d = js_optnumber(J, 3, DateFromTime(t));
+	js_setdate(J, 0, MakeDate(MakeDay(y, m, d), TimeWithinDay(t)));
+}
+
+static void Dp_toJSON(js_State *J)
+{
+	js_copy(J, 0);
+	js_toprimitive(J, -1, JS_HNUMBER);
+	if (js_isnumber(J, -1) && !isfinite(js_tonumber(J, -1))) {
+		js_pushnull(J);
+		return;
+	}
+	js_pop(J, 1);
+
+	js_getproperty(J, 0, "toISOString");
+	if (!js_iscallable(J, -1))
+		js_typeerror(J, "this.toISOString is not a function");
+	js_copy(J, 0);
+	js_call(J, 0);
+}
+
+void jsB_initdate(js_State *J)
+{
+	J->Date_prototype->u.number = 0;
+
+	js_pushobject(J, J->Date_prototype);
+	{
+		jsB_propf(J, "Date.prototype.valueOf", Dp_valueOf, 0);
+		jsB_propf(J, "Date.prototype.toString", Dp_toString, 0);
+		jsB_propf(J, "Date.prototype.toDateString", Dp_toDateString, 0);
+		jsB_propf(J, "Date.prototype.toTimeString", Dp_toTimeString, 0);
+		jsB_propf(J, "Date.prototype.toLocaleString", Dp_toString, 0);
+		jsB_propf(J, "Date.prototype.toLocaleDateString", Dp_toDateString, 0);
+		jsB_propf(J, "Date.prototype.toLocaleTimeString", Dp_toTimeString, 0);
+		jsB_propf(J, "Date.prototype.toUTCString", Dp_toUTCString, 0);
+
+		jsB_propf(J, "Date.prototype.getTime", Dp_valueOf, 0);
+		jsB_propf(J, "Date.prototype.getFullYear", Dp_getFullYear, 0);
+		jsB_propf(J, "Date.prototype.getUTCFullYear", Dp_getUTCFullYear, 0);
+		jsB_propf(J, "Date.prototype.getMonth", Dp_getMonth, 0);
+		jsB_propf(J, "Date.prototype.getUTCMonth", Dp_getUTCMonth, 0);
+		jsB_propf(J, "Date.prototype.getDate", Dp_getDate, 0);
+		jsB_propf(J, "Date.prototype.getUTCDate", Dp_getUTCDate, 0);
+		jsB_propf(J, "Date.prototype.getDay", Dp_getDay, 0);
+		jsB_propf(J, "Date.prototype.getUTCDay", Dp_getUTCDay, 0);
+		jsB_propf(J, "Date.prototype.getHours", Dp_getHours, 0);
+		jsB_propf(J, "Date.prototype.getUTCHours", Dp_getUTCHours, 0);
+		jsB_propf(J, "Date.prototype.getMinutes", Dp_getMinutes, 0);
+		jsB_propf(J, "Date.prototype.getUTCMinutes", Dp_getUTCMinutes, 0);
+		jsB_propf(J, "Date.prototype.getSeconds", Dp_getSeconds, 0);
+		jsB_propf(J, "Date.prototype.getUTCSeconds", Dp_getUTCSeconds, 0);
+		jsB_propf(J, "Date.prototype.getMilliseconds", Dp_getMilliseconds, 0);
+		jsB_propf(J, "Date.prototype.getUTCMilliseconds", Dp_getUTCMilliseconds, 0);
+		jsB_propf(J, "Date.prototype.getTimezoneOffset", Dp_getTimezoneOffset, 0);
+
+		jsB_propf(J, "Date.prototype.setTime", Dp_setTime, 1);
+		jsB_propf(J, "Date.prototype.setMilliseconds", Dp_setMilliseconds, 1);
+		jsB_propf(J, "Date.prototype.setUTCMilliseconds", Dp_setUTCMilliseconds, 1);
+		jsB_propf(J, "Date.prototype.setSeconds", Dp_setSeconds, 2);
+		jsB_propf(J, "Date.prototype.setUTCSeconds", Dp_setUTCSeconds, 2);
+		jsB_propf(J, "Date.prototype.setMinutes", Dp_setMinutes, 3);
+		jsB_propf(J, "Date.prototype.setUTCMinutes", Dp_setUTCMinutes, 3);
+		jsB_propf(J, "Date.prototype.setHours", Dp_setHours, 4);
+		jsB_propf(J, "Date.prototype.setUTCHours", Dp_setUTCHours, 4);
+		jsB_propf(J, "Date.prototype.setDate", Dp_setDate, 1);
+		jsB_propf(J, "Date.prototype.setUTCDate", Dp_setUTCDate, 1);
+		jsB_propf(J, "Date.prototype.setMonth", Dp_setMonth, 2);
+		jsB_propf(J, "Date.prototype.setUTCMonth", Dp_setUTCMonth, 2);
+		jsB_propf(J, "Date.prototype.setFullYear", Dp_setFullYear, 3);
+		jsB_propf(J, "Date.prototype.setUTCFullYear", Dp_setUTCFullYear, 3);
+
+		/* ES5 */
+		jsB_propf(J, "Date.prototype.toISOString", Dp_toISOString, 0);
+		jsB_propf(J, "Date.prototype.toJSON", Dp_toJSON, 1);
+	}
+	js_newcconstructor(J, jsB_Date, jsB_new_Date, "Date", 0); /* 1 */
+	{
+		jsB_propf(J, "Date.parse", D_parse, 1);
+		jsB_propf(J, "Date.UTC", D_UTC, 7);
+
+		/* ES5 */
+		jsB_propf(J, "Date.now", D_now, 0);
+	}
+	js_defglobal(J, "Date", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/jsdtoa.c

@@ -0,0 +1,747 @@
+/* Locale-independent implementations of string <-> double conversions. */
+
+#include "jsi.h"
+
+#if defined(_MSC_VER) && (_MSC_VER < 1700) /* VS2012 has stdint.h */
+typedef unsigned int uint32_t;
+typedef unsigned __int64 uint64_t;
+#else
+#include <stdint.h>
+#endif
+
+#include <errno.h>
+#include <assert.h>
+
+#ifndef TRUE
+#define TRUE 1
+#define FALSE 0
+#endif
+
+/*
+ * format exponent like sprintf(p, "e%+d", e)
+ */
+void
+js_fmtexp(char *p, int e)
+{
+	char se[9];
+	int i;
+
+	*p++ = 'e';
+	if(e < 0) {
+		*p++ = '-';
+		e = -e;
+	} else
+		*p++ = '+';
+	i = 0;
+	while(e) {
+		se[i++] = e % 10 + '0';
+		e /= 10;
+	}
+	while(i < 1)
+		se[i++] = '0';
+	while(i > 0)
+		*p++ = se[--i];
+	*p++ = '\0';
+}
+
+/*
+ * grisu2_59_56.c
+ *
+ * Grisu prints the optimal decimal representation of floating-point numbers.
+ *
+ * Copyright (c) 2009 Florian Loitsch
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+typedef struct diy_fp_t {
+	uint64_t f;
+	int e;
+} diy_fp_t;
+
+#define DIY_SIGNIFICAND_SIZE 64
+#define D_1_LOG2_10 0.30102999566398114 /* 1 / lg(10) */
+
+static const uint64_t powers_ten[] = {
+	0xbf29dcaba82fdeae, 0xeef453d6923bd65a, 0x9558b4661b6565f8,
+	0xbaaee17fa23ebf76, 0xe95a99df8ace6f54, 0x91d8a02bb6c10594,
+	0xb64ec836a47146fa, 0xe3e27a444d8d98b8, 0x8e6d8c6ab0787f73,
+	0xb208ef855c969f50, 0xde8b2b66b3bc4724, 0x8b16fb203055ac76,
+	0xaddcb9e83c6b1794, 0xd953e8624b85dd79, 0x87d4713d6f33aa6c,
+	0xa9c98d8ccb009506, 0xd43bf0effdc0ba48, 0x84a57695fe98746d,
+	0xa5ced43b7e3e9188, 0xcf42894a5dce35ea, 0x818995ce7aa0e1b2,
+	0xa1ebfb4219491a1f, 0xca66fa129f9b60a7, 0xfd00b897478238d1,
+	0x9e20735e8cb16382, 0xc5a890362fddbc63, 0xf712b443bbd52b7c,
+	0x9a6bb0aa55653b2d, 0xc1069cd4eabe89f9, 0xf148440a256e2c77,
+	0x96cd2a865764dbca, 0xbc807527ed3e12bd, 0xeba09271e88d976c,
+	0x93445b8731587ea3, 0xb8157268fdae9e4c, 0xe61acf033d1a45df,
+	0x8fd0c16206306bac, 0xb3c4f1ba87bc8697, 0xe0b62e2929aba83c,
+	0x8c71dcd9ba0b4926, 0xaf8e5410288e1b6f, 0xdb71e91432b1a24b,
+	0x892731ac9faf056f, 0xab70fe17c79ac6ca, 0xd64d3d9db981787d,
+	0x85f0468293f0eb4e, 0xa76c582338ed2622, 0xd1476e2c07286faa,
+	0x82cca4db847945ca, 0xa37fce126597973d, 0xcc5fc196fefd7d0c,
+	0xff77b1fcbebcdc4f, 0x9faacf3df73609b1, 0xc795830d75038c1e,
+	0xf97ae3d0d2446f25, 0x9becce62836ac577, 0xc2e801fb244576d5,
+	0xf3a20279ed56d48a, 0x9845418c345644d7, 0xbe5691ef416bd60c,
+	0xedec366b11c6cb8f, 0x94b3a202eb1c3f39, 0xb9e08a83a5e34f08,
+	0xe858ad248f5c22ca, 0x91376c36d99995be, 0xb58547448ffffb2e,
+	0xe2e69915b3fff9f9, 0x8dd01fad907ffc3c, 0xb1442798f49ffb4b,
+	0xdd95317f31c7fa1d, 0x8a7d3eef7f1cfc52, 0xad1c8eab5ee43b67,
+	0xd863b256369d4a41, 0x873e4f75e2224e68, 0xa90de3535aaae202,
+	0xd3515c2831559a83, 0x8412d9991ed58092, 0xa5178fff668ae0b6,
+	0xce5d73ff402d98e4, 0x80fa687f881c7f8e, 0xa139029f6a239f72,
+	0xc987434744ac874f, 0xfbe9141915d7a922, 0x9d71ac8fada6c9b5,
+	0xc4ce17b399107c23, 0xf6019da07f549b2b, 0x99c102844f94e0fb,
+	0xc0314325637a193a, 0xf03d93eebc589f88, 0x96267c7535b763b5,
+	0xbbb01b9283253ca3, 0xea9c227723ee8bcb, 0x92a1958a7675175f,
+	0xb749faed14125d37, 0xe51c79a85916f485, 0x8f31cc0937ae58d3,
+	0xb2fe3f0b8599ef08, 0xdfbdcece67006ac9, 0x8bd6a141006042be,
+	0xaecc49914078536d, 0xda7f5bf590966849, 0x888f99797a5e012d,
+	0xaab37fd7d8f58179, 0xd5605fcdcf32e1d7, 0x855c3be0a17fcd26,
+	0xa6b34ad8c9dfc070, 0xd0601d8efc57b08c, 0x823c12795db6ce57,
+	0xa2cb1717b52481ed, 0xcb7ddcdda26da269, 0xfe5d54150b090b03,
+	0x9efa548d26e5a6e2, 0xc6b8e9b0709f109a, 0xf867241c8cc6d4c1,
+	0x9b407691d7fc44f8, 0xc21094364dfb5637, 0xf294b943e17a2bc4,
+	0x979cf3ca6cec5b5b, 0xbd8430bd08277231, 0xece53cec4a314ebe,
+	0x940f4613ae5ed137, 0xb913179899f68584, 0xe757dd7ec07426e5,
+	0x9096ea6f3848984f, 0xb4bca50b065abe63, 0xe1ebce4dc7f16dfc,
+	0x8d3360f09cf6e4bd, 0xb080392cc4349ded, 0xdca04777f541c568,
+	0x89e42caaf9491b61, 0xac5d37d5b79b6239, 0xd77485cb25823ac7,
+	0x86a8d39ef77164bd, 0xa8530886b54dbdec, 0xd267caa862a12d67,
+	0x8380dea93da4bc60, 0xa46116538d0deb78, 0xcd795be870516656,
+	0x806bd9714632dff6, 0xa086cfcd97bf97f4, 0xc8a883c0fdaf7df0,
+	0xfad2a4b13d1b5d6c, 0x9cc3a6eec6311a64, 0xc3f490aa77bd60fd,
+	0xf4f1b4d515acb93c, 0x991711052d8bf3c5, 0xbf5cd54678eef0b7,
+	0xef340a98172aace5, 0x9580869f0e7aac0f, 0xbae0a846d2195713,
+	0xe998d258869facd7, 0x91ff83775423cc06, 0xb67f6455292cbf08,
+	0xe41f3d6a7377eeca, 0x8e938662882af53e, 0xb23867fb2a35b28e,
+	0xdec681f9f4c31f31, 0x8b3c113c38f9f37f, 0xae0b158b4738705f,
+	0xd98ddaee19068c76, 0x87f8a8d4cfa417ca, 0xa9f6d30a038d1dbc,
+	0xd47487cc8470652b, 0x84c8d4dfd2c63f3b, 0xa5fb0a17c777cf0a,
+	0xcf79cc9db955c2cc, 0x81ac1fe293d599c0, 0xa21727db38cb0030,
+	0xca9cf1d206fdc03c, 0xfd442e4688bd304b, 0x9e4a9cec15763e2f,
+	0xc5dd44271ad3cdba, 0xf7549530e188c129, 0x9a94dd3e8cf578ba,
+	0xc13a148e3032d6e8, 0xf18899b1bc3f8ca2, 0x96f5600f15a7b7e5,
+	0xbcb2b812db11a5de, 0xebdf661791d60f56, 0x936b9fcebb25c996,
+	0xb84687c269ef3bfb, 0xe65829b3046b0afa, 0x8ff71a0fe2c2e6dc,
+	0xb3f4e093db73a093, 0xe0f218b8d25088b8, 0x8c974f7383725573,
+	0xafbd2350644eead0, 0xdbac6c247d62a584, 0x894bc396ce5da772,
+	0xab9eb47c81f5114f, 0xd686619ba27255a3, 0x8613fd0145877586,
+	0xa798fc4196e952e7, 0xd17f3b51fca3a7a1, 0x82ef85133de648c5,
+	0xa3ab66580d5fdaf6, 0xcc963fee10b7d1b3, 0xffbbcfe994e5c620,
+	0x9fd561f1fd0f9bd4, 0xc7caba6e7c5382c9, 0xf9bd690a1b68637b,
+	0x9c1661a651213e2d, 0xc31bfa0fe5698db8, 0xf3e2f893dec3f126,
+	0x986ddb5c6b3a76b8, 0xbe89523386091466, 0xee2ba6c0678b597f,
+	0x94db483840b717f0, 0xba121a4650e4ddec, 0xe896a0d7e51e1566,
+	0x915e2486ef32cd60, 0xb5b5ada8aaff80b8, 0xe3231912d5bf60e6,
+	0x8df5efabc5979c90, 0xb1736b96b6fd83b4, 0xddd0467c64bce4a1,
+	0x8aa22c0dbef60ee4, 0xad4ab7112eb3929e, 0xd89d64d57a607745,
+	0x87625f056c7c4a8b, 0xa93af6c6c79b5d2e, 0xd389b47879823479,
+	0x843610cb4bf160cc, 0xa54394fe1eedb8ff, 0xce947a3da6a9273e,
+	0x811ccc668829b887, 0xa163ff802a3426a9, 0xc9bcff6034c13053,
+	0xfc2c3f3841f17c68, 0x9d9ba7832936edc1, 0xc5029163f384a931,
+	0xf64335bcf065d37d, 0x99ea0196163fa42e, 0xc06481fb9bcf8d3a,
+	0xf07da27a82c37088, 0x964e858c91ba2655, 0xbbe226efb628afeb,
+	0xeadab0aba3b2dbe5, 0x92c8ae6b464fc96f, 0xb77ada0617e3bbcb,
+	0xe55990879ddcaabe, 0x8f57fa54c2a9eab7, 0xb32df8e9f3546564,
+	0xdff9772470297ebd, 0x8bfbea76c619ef36, 0xaefae51477a06b04,
+	0xdab99e59958885c5, 0x88b402f7fd75539b, 0xaae103b5fcd2a882,
+	0xd59944a37c0752a2, 0x857fcae62d8493a5, 0xa6dfbd9fb8e5b88f,
+	0xd097ad07a71f26b2, 0x825ecc24c8737830, 0xa2f67f2dfa90563b,
+	0xcbb41ef979346bca, 0xfea126b7d78186bd, 0x9f24b832e6b0f436,
+	0xc6ede63fa05d3144, 0xf8a95fcf88747d94, 0x9b69dbe1b548ce7d,
+	0xc24452da229b021c, 0xf2d56790ab41c2a3, 0x97c560ba6b0919a6,
+	0xbdb6b8e905cb600f, 0xed246723473e3813, 0x9436c0760c86e30c,
+	0xb94470938fa89bcf, 0xe7958cb87392c2c3, 0x90bd77f3483bb9ba,
+	0xb4ecd5f01a4aa828, 0xe2280b6c20dd5232, 0x8d590723948a535f,
+	0xb0af48ec79ace837, 0xdcdb1b2798182245, 0x8a08f0f8bf0f156b,
+	0xac8b2d36eed2dac6, 0xd7adf884aa879177, 0x86ccbb52ea94baeb,
+	0xa87fea27a539e9a5, 0xd29fe4b18e88640f, 0x83a3eeeef9153e89,
+	0xa48ceaaab75a8e2b, 0xcdb02555653131b6, 0x808e17555f3ebf12,
+	0xa0b19d2ab70e6ed6, 0xc8de047564d20a8c, 0xfb158592be068d2f,
+	0x9ced737bb6c4183d, 0xc428d05aa4751e4d, 0xf53304714d9265e0,
+	0x993fe2c6d07b7fac, 0xbf8fdb78849a5f97, 0xef73d256a5c0f77d,
+	0x95a8637627989aae, 0xbb127c53b17ec159, 0xe9d71b689dde71b0,
+	0x9226712162ab070e, 0xb6b00d69bb55c8d1, 0xe45c10c42a2b3b06,
+	0x8eb98a7a9a5b04e3, 0xb267ed1940f1c61c, 0xdf01e85f912e37a3,
+	0x8b61313bbabce2c6, 0xae397d8aa96c1b78, 0xd9c7dced53c72256,
+	0x881cea14545c7575, 0xaa242499697392d3, 0xd4ad2dbfc3d07788,
+	0x84ec3c97da624ab5, 0xa6274bbdd0fadd62, 0xcfb11ead453994ba,
+	0x81ceb32c4b43fcf5, 0xa2425ff75e14fc32, 0xcad2f7f5359a3b3e,
+	0xfd87b5f28300ca0e, 0x9e74d1b791e07e48, 0xc612062576589ddb,
+	0xf79687aed3eec551, 0x9abe14cd44753b53, 0xc16d9a0095928a27,
+	0xf1c90080baf72cb1, 0x971da05074da7bef, 0xbce5086492111aeb,
+	0xec1e4a7db69561a5, 0x9392ee8e921d5d07, 0xb877aa3236a4b449,
+	0xe69594bec44de15b, 0x901d7cf73ab0acd9, 0xb424dc35095cd80f,
+	0xe12e13424bb40e13, 0x8cbccc096f5088cc, 0xafebff0bcb24aaff,
+	0xdbe6fecebdedd5bf, 0x89705f4136b4a597, 0xabcc77118461cefd,
+	0xd6bf94d5e57a42bc, 0x8637bd05af6c69b6, 0xa7c5ac471b478423,
+	0xd1b71758e219652c, 0x83126e978d4fdf3b, 0xa3d70a3d70a3d70a,
+	0xcccccccccccccccd, 0x8000000000000000, 0xa000000000000000,
+	0xc800000000000000, 0xfa00000000000000, 0x9c40000000000000,
+	0xc350000000000000, 0xf424000000000000, 0x9896800000000000,
+	0xbebc200000000000, 0xee6b280000000000, 0x9502f90000000000,
+	0xba43b74000000000, 0xe8d4a51000000000, 0x9184e72a00000000,
+	0xb5e620f480000000, 0xe35fa931a0000000, 0x8e1bc9bf04000000,
+	0xb1a2bc2ec5000000, 0xde0b6b3a76400000, 0x8ac7230489e80000,
+	0xad78ebc5ac620000, 0xd8d726b7177a8000, 0x878678326eac9000,
+	0xa968163f0a57b400, 0xd3c21bcecceda100, 0x84595161401484a0,
+	0xa56fa5b99019a5c8, 0xcecb8f27f4200f3a, 0x813f3978f8940984,
+	0xa18f07d736b90be5, 0xc9f2c9cd04674edf, 0xfc6f7c4045812296,
+	0x9dc5ada82b70b59e, 0xc5371912364ce305, 0xf684df56c3e01bc7,
+	0x9a130b963a6c115c, 0xc097ce7bc90715b3, 0xf0bdc21abb48db20,
+	0x96769950b50d88f4, 0xbc143fa4e250eb31, 0xeb194f8e1ae525fd,
+	0x92efd1b8d0cf37be, 0xb7abc627050305ae, 0xe596b7b0c643c719,
+	0x8f7e32ce7bea5c70, 0xb35dbf821ae4f38c, 0xe0352f62a19e306f,
+	0x8c213d9da502de45, 0xaf298d050e4395d7, 0xdaf3f04651d47b4c,
+	0x88d8762bf324cd10, 0xab0e93b6efee0054, 0xd5d238a4abe98068,
+	0x85a36366eb71f041, 0xa70c3c40a64e6c52, 0xd0cf4b50cfe20766,
+	0x82818f1281ed44a0, 0xa321f2d7226895c8, 0xcbea6f8ceb02bb3a,
+	0xfee50b7025c36a08, 0x9f4f2726179a2245, 0xc722f0ef9d80aad6,
+	0xf8ebad2b84e0d58c, 0x9b934c3b330c8577, 0xc2781f49ffcfa6d5,
+	0xf316271c7fc3908b, 0x97edd871cfda3a57, 0xbde94e8e43d0c8ec,
+	0xed63a231d4c4fb27, 0x945e455f24fb1cf9, 0xb975d6b6ee39e437,
+	0xe7d34c64a9c85d44, 0x90e40fbeea1d3a4b, 0xb51d13aea4a488dd,
+	0xe264589a4dcdab15, 0x8d7eb76070a08aed, 0xb0de65388cc8ada8,
+	0xdd15fe86affad912, 0x8a2dbf142dfcc7ab, 0xacb92ed9397bf996,
+	0xd7e77a8f87daf7fc, 0x86f0ac99b4e8dafd, 0xa8acd7c0222311bd,
+	0xd2d80db02aabd62c, 0x83c7088e1aab65db, 0xa4b8cab1a1563f52,
+	0xcde6fd5e09abcf27, 0x80b05e5ac60b6178, 0xa0dc75f1778e39d6,
+	0xc913936dd571c84c, 0xfb5878494ace3a5f, 0x9d174b2dcec0e47b,
+	0xc45d1df942711d9a, 0xf5746577930d6501, 0x9968bf6abbe85f20,
+	0xbfc2ef456ae276e9, 0xefb3ab16c59b14a3, 0x95d04aee3b80ece6,
+	0xbb445da9ca61281f, 0xea1575143cf97227, 0x924d692ca61be758,
+	0xb6e0c377cfa2e12e, 0xe498f455c38b997a, 0x8edf98b59a373fec,
+	0xb2977ee300c50fe7, 0xdf3d5e9bc0f653e1, 0x8b865b215899f46d,
+	0xae67f1e9aec07188, 0xda01ee641a708dea, 0x884134fe908658b2,
+	0xaa51823e34a7eedf, 0xd4e5e2cdc1d1ea96, 0x850fadc09923329e,
+	0xa6539930bf6bff46, 0xcfe87f7cef46ff17, 0x81f14fae158c5f6e,
+	0xa26da3999aef774a, 0xcb090c8001ab551c, 0xfdcb4fa002162a63,
+	0x9e9f11c4014dda7e, 0xc646d63501a1511e, 0xf7d88bc24209a565,
+	0x9ae757596946075f, 0xc1a12d2fc3978937, 0xf209787bb47d6b85,
+	0x9745eb4d50ce6333, 0xbd176620a501fc00, 0xec5d3fa8ce427b00,
+	0x93ba47c980e98ce0, 0xb8a8d9bbe123f018, 0xe6d3102ad96cec1e,
+	0x9043ea1ac7e41393, 0xb454e4a179dd1877, 0xe16a1dc9d8545e95,
+	0x8ce2529e2734bb1d, 0xb01ae745b101e9e4, 0xdc21a1171d42645d,
+	0x899504ae72497eba, 0xabfa45da0edbde69, 0xd6f8d7509292d603,
+	0x865b86925b9bc5c2, 0xa7f26836f282b733, 0xd1ef0244af2364ff,
+	0x8335616aed761f1f, 0xa402b9c5a8d3a6e7, 0xcd036837130890a1,
+	0x802221226be55a65, 0xa02aa96b06deb0fe, 0xc83553c5c8965d3d,
+	0xfa42a8b73abbf48d, 0x9c69a97284b578d8, 0xc38413cf25e2d70e,
+	0xf46518c2ef5b8cd1, 0x98bf2f79d5993803, 0xbeeefb584aff8604,
+	0xeeaaba2e5dbf6785, 0x952ab45cfa97a0b3, 0xba756174393d88e0,
+	0xe912b9d1478ceb17, 0x91abb422ccb812ef, 0xb616a12b7fe617aa,
+	0xe39c49765fdf9d95, 0x8e41ade9fbebc27d, 0xb1d219647ae6b31c,
+	0xde469fbd99a05fe3, 0x8aec23d680043bee, 0xada72ccc20054aea,
+	0xd910f7ff28069da4, 0x87aa9aff79042287, 0xa99541bf57452b28,
+	0xd3fa922f2d1675f2, 0x847c9b5d7c2e09b7, 0xa59bc234db398c25,
+	0xcf02b2c21207ef2f, 0x8161afb94b44f57d, 0xa1ba1ba79e1632dc,
+	0xca28a291859bbf93, 0xfcb2cb35e702af78, 0x9defbf01b061adab,
+	0xc56baec21c7a1916, 0xf6c69a72a3989f5c, 0x9a3c2087a63f6399,
+	0xc0cb28a98fcf3c80, 0xf0fdf2d3f3c30b9f, 0x969eb7c47859e744,
+	0xbc4665b596706115, 0xeb57ff22fc0c795a, 0x9316ff75dd87cbd8,
+	0xb7dcbf5354e9bece, 0xe5d3ef282a242e82, 0x8fa475791a569d11,
+	0xb38d92d760ec4455, 0xe070f78d3927556b, 0x8c469ab843b89563,
+	0xaf58416654a6babb, 0xdb2e51bfe9d0696a, 0x88fcf317f22241e2,
+	0xab3c2fddeeaad25b, 0xd60b3bd56a5586f2, 0x85c7056562757457,
+	0xa738c6bebb12d16d, 0xd106f86e69d785c8, 0x82a45b450226b39d,
+	0xa34d721642b06084, 0xcc20ce9bd35c78a5, 0xff290242c83396ce,
+	0x9f79a169bd203e41, 0xc75809c42c684dd1, 0xf92e0c3537826146,
+	0x9bbcc7a142b17ccc, 0xc2abf989935ddbfe, 0xf356f7ebf83552fe,
+	0x98165af37b2153df, 0xbe1bf1b059e9a8d6, 0xeda2ee1c7064130c,
+	0x9485d4d1c63e8be8, 0xb9a74a0637ce2ee1, 0xe8111c87c5c1ba9a,
+	0x910ab1d4db9914a0, 0xb54d5e4a127f59c8, 0xe2a0b5dc971f303a,
+	0x8da471a9de737e24, 0xb10d8e1456105dad, 0xdd50f1996b947519,
+	0x8a5296ffe33cc930, 0xace73cbfdc0bfb7b, 0xd8210befd30efa5a,
+	0x8714a775e3e95c78, 0xa8d9d1535ce3b396, 0xd31045a8341ca07c,
+	0x83ea2b892091e44e, 0xa4e4b66b68b65d61, 0xce1de40642e3f4b9,
+	0x80d2ae83e9ce78f4, 0xa1075a24e4421731, 0xc94930ae1d529cfd,
+	0xfb9b7cd9a4a7443c, 0x9d412e0806e88aa6, 0xc491798a08a2ad4f,
+	0xf5b5d7ec8acb58a3, 0x9991a6f3d6bf1766, 0xbff610b0cc6edd3f,
+	0xeff394dcff8a948f, 0x95f83d0a1fb69cd9, 0xbb764c4ca7a44410,
+	0xea53df5fd18d5514, 0x92746b9be2f8552c, 0xb7118682dbb66a77,
+	0xe4d5e82392a40515, 0x8f05b1163ba6832d, 0xb2c71d5bca9023f8,
+	0xdf78e4b2bd342cf7, 0x8bab8eefb6409c1a, 0xae9672aba3d0c321,
+	0xda3c0f568cc4f3e9, 0x8865899617fb1871, 0xaa7eebfb9df9de8e,
+	0xd51ea6fa85785631, 0x8533285c936b35df, 0xa67ff273b8460357,
+	0xd01fef10a657842c, 0x8213f56a67f6b29c, 0xa298f2c501f45f43,
+	0xcb3f2f7642717713, 0xfe0efb53d30dd4d8, 0x9ec95d1463e8a507,
+	0xc67bb4597ce2ce49, 0xf81aa16fdc1b81db, 0x9b10a4e5e9913129,
+	0xc1d4ce1f63f57d73, 0xf24a01a73cf2dcd0, 0x976e41088617ca02,
+	0xbd49d14aa79dbc82, 0xec9c459d51852ba3, 0x93e1ab8252f33b46,
+	0xb8da1662e7b00a17, 0xe7109bfba19c0c9d, 0x906a617d450187e2,
+	0xb484f9dc9641e9db, 0xe1a63853bbd26451, 0x8d07e33455637eb3,
+	0xb049dc016abc5e60, 0xdc5c5301c56b75f7, 0x89b9b3e11b6329bb,
+	0xac2820d9623bf429, 0xd732290fbacaf134, 0x867f59a9d4bed6c0,
+	0xa81f301449ee8c70, 0xd226fc195c6a2f8c, 0x83585d8fd9c25db8,
+	0xa42e74f3d032f526, 0xcd3a1230c43fb26f, 0x80444b5e7aa7cf85,
+	0xa0555e361951c367, 0xc86ab5c39fa63441, 0xfa856334878fc151,
+	0x9c935e00d4b9d8d2, 0xc3b8358109e84f07, 0xf4a642e14c6262c9,
+	0x98e7e9cccfbd7dbe, 0xbf21e44003acdd2d, 0xeeea5d5004981478,
+	0x95527a5202df0ccb, 0xbaa718e68396cffe, 0xe950df20247c83fd,
+	0x91d28b7416cdd27e, 0xb6472e511c81471e, 0xe3d8f9e563a198e5,
+	0x8e679c2f5e44ff8f, 0xb201833b35d63f73, 0xde81e40a034bcf50,
+	0x8b112e86420f6192, 0xadd57a27d29339f6, 0xd94ad8b1c7380874,
+	0x87cec76f1c830549, 0xa9c2794ae3a3c69b, 0xd433179d9c8cb841,
+	0x849feec281d7f329, 0xa5c7ea73224deff3, 0xcf39e50feae16bf0,
+	0x81842f29f2cce376, 0xa1e53af46f801c53, 0xca5e89b18b602368,
+	0xfcf62c1dee382c42, 0x9e19db92b4e31ba9, 0xc5a05277621be294,
+	0xf70867153aa2db39, 0x9a65406d44a5c903, 0xc0fe908895cf3b44,
+	0xf13e34aabb430a15, 0x96c6e0eab509e64d, 0xbc789925624c5fe1,
+	0xeb96bf6ebadf77d9, 0x933e37a534cbaae8, 0xb80dc58e81fe95a1,
+	0xe61136f2227e3b0a, 0x8fcac257558ee4e6, 0xb3bd72ed2af29e20,
+	0xe0accfa875af45a8, 0x8c6c01c9498d8b89, 0xaf87023b9bf0ee6b,
+	0xdb68c2ca82ed2a06, 0x892179be91d43a44, 0xab69d82e364948d4
+};
+
+static const int powers_ten_e[] = {
+	-1203, -1200, -1196, -1193, -1190, -1186, -1183, -1180, -1176, -1173,
+	-1170, -1166, -1163, -1160, -1156, -1153, -1150, -1146, -1143, -1140,
+	-1136, -1133, -1130, -1127, -1123, -1120, -1117, -1113, -1110, -1107,
+	-1103, -1100, -1097, -1093, -1090, -1087, -1083, -1080, -1077, -1073,
+	-1070, -1067, -1063, -1060, -1057, -1053, -1050, -1047, -1043, -1040,
+	-1037, -1034, -1030, -1027, -1024, -1020, -1017, -1014, -1010, -1007,
+	-1004, -1000, -997, -994, -990, -987, -984, -980, -977, -974, -970,
+	-967, -964, -960, -957, -954, -950, -947, -944, -940, -937, -934, -931,
+	-927, -924, -921, -917, -914, -911, -907, -904, -901, -897, -894, -891,
+	-887, -884, -881, -877, -874, -871, -867, -864, -861, -857, -854, -851,
+	-847, -844, -841, -838, -834, -831, -828, -824, -821, -818, -814, -811,
+	-808, -804, -801, -798, -794, -791, -788, -784, -781, -778, -774, -771,
+	-768, -764, -761, -758, -754, -751, -748, -744, -741, -738, -735, -731,
+	-728, -725, -721, -718, -715, -711, -708, -705, -701, -698, -695, -691,
+	-688, -685, -681, -678, -675, -671, -668, -665, -661, -658, -655, -651,
+	-648, -645, -642, -638, -635, -632, -628, -625, -622, -618, -615, -612,
+	-608, -605, -602, -598, -595, -592, -588, -585, -582, -578, -575, -572,
+	-568, -565, -562, -558, -555, -552, -549, -545, -542, -539, -535, -532,
+	-529, -525, -522, -519, -515, -512, -509, -505, -502, -499, -495, -492,
+	-489, -485, -482, -479, -475, -472, -469, -465, -462, -459, -455, -452,
+	-449, -446, -442, -439, -436, -432, -429, -426, -422, -419, -416, -412,
+	-409, -406, -402, -399, -396, -392, -389, -386, -382, -379, -376, -372,
+	-369, -366, -362, -359, -356, -353, -349, -346, -343, -339, -336, -333,
+	-329, -326, -323, -319, -316, -313, -309, -306, -303, -299, -296, -293,
+	-289, -286, -283, -279, -276, -273, -269, -266, -263, -259, -256, -253,
+	-250, -246, -243, -240, -236, -233, -230, -226, -223, -220, -216, -213,
+	-210, -206, -203, -200, -196, -193, -190, -186, -183, -180, -176, -173,
+	-170, -166, -163, -160, -157, -153, -150, -147, -143, -140, -137, -133,
+	-130, -127, -123, -120, -117, -113, -110, -107, -103, -100, -97, -93,
+	-90, -87, -83, -80, -77, -73, -70, -67, -63, -60, -57, -54, -50, -47,
+	-44, -40, -37, -34, -30, -27, -24, -20, -17, -14, -10, -7, -4, 0, 3, 6,
+	10, 13, 16, 20, 23, 26, 30, 33, 36, 39, 43, 46, 49, 53, 56, 59, 63, 66,
+	69, 73, 76, 79, 83, 86, 89, 93, 96, 99, 103, 106, 109, 113, 116, 119,
+	123, 126, 129, 132, 136, 139, 142, 146, 149, 152, 156, 159, 162, 166,
+	169, 172, 176, 179, 182, 186, 189, 192, 196, 199, 202, 206, 209, 212,
+	216, 219, 222, 226, 229, 232, 235, 239, 242, 245, 249, 252, 255, 259,
+	262, 265, 269, 272, 275, 279, 282, 285, 289, 292, 295, 299, 302, 305,
+	309, 312, 315, 319, 322, 325, 328, 332, 335, 338, 342, 345, 348, 352,
+	355, 358, 362, 365, 368, 372, 375, 378, 382, 385, 388, 392, 395, 398,
+	402, 405, 408, 412, 415, 418, 422, 425, 428, 431, 435, 438, 441, 445,
+	448, 451, 455, 458, 461, 465, 468, 471, 475, 478, 481, 485, 488, 491,
+	495, 498, 501, 505, 508, 511, 515, 518, 521, 524, 528, 531, 534, 538,
+	541, 544, 548, 551, 554, 558, 561, 564, 568, 571, 574, 578, 581, 584,
+	588, 591, 594, 598, 601, 604, 608, 611, 614, 617, 621, 624, 627, 631,
+	634, 637, 641, 644, 647, 651, 654, 657, 661, 664, 667, 671, 674, 677,
+	681, 684, 687, 691, 694, 697, 701, 704, 707, 711, 714, 717, 720, 724,
+	727, 730, 734, 737, 740, 744, 747, 750, 754, 757, 760, 764, 767, 770,
+	774, 777, 780, 784, 787, 790, 794, 797, 800, 804, 807, 810, 813, 817,
+	820, 823, 827, 830, 833, 837, 840, 843, 847, 850, 853, 857, 860, 863,
+	867, 870, 873, 877, 880, 883, 887, 890, 893, 897, 900, 903, 907, 910,
+	913, 916, 920, 923, 926, 930, 933, 936, 940, 943, 946, 950, 953, 956,
+	960, 963, 966, 970, 973, 976, 980, 983, 986, 990, 993, 996, 1000, 1003,
+	1006, 1009, 1013, 1016, 1019, 1023, 1026, 1029, 1033, 1036, 1039, 1043,
+	1046, 1049, 1053, 1056, 1059, 1063, 1066, 1069, 1073, 1076
+};
+
+static diy_fp_t cached_power(int k)
+{
+	diy_fp_t res;
+	int index = 343 + k;
+	res.f = powers_ten[index];
+	res.e = powers_ten_e[index];
+	return res;
+}
+
+static int k_comp(int e, int alpha, int gamma) {
+	return ceil((alpha-e+63) * D_1_LOG2_10);
+}
+
+static diy_fp_t minus(diy_fp_t x, diy_fp_t y)
+{
+	diy_fp_t r;
+	assert(x.e == y.e);
+	assert(x.f >= y.f);
+	r.f = x.f - y.f;
+	r.e = x.e;
+	return r;
+}
+
+static diy_fp_t multiply(diy_fp_t x, diy_fp_t y)
+{
+	uint64_t a,b,c,d,ac,bc,ad,bd,tmp;
+	diy_fp_t r;
+	uint64_t M32 = 0xFFFFFFFF;
+	a = x.f >> 32; b = x.f & M32;
+	c = y.f >> 32; d = y.f & M32;
+	ac = a*c; bc = b*c; ad = a*d; bd = b*d;
+	tmp = (bd>>32) + (ad&M32) + (bc&M32);
+	tmp += 1U << 31;
+	r.f = ac+(ad>>32)+(bc>>32)+(tmp >>32);
+	r.e = x.e + y.e + 64;
+	return r;
+}
+
+static uint64_t double_to_uint64(double d)
+{
+	uint64_t n;
+	memcpy(&n, &d, 8);
+	return n;
+}
+
+#define DP_SIGNIFICAND_SIZE 52
+#define DP_EXPONENT_BIAS (0x3FF + DP_SIGNIFICAND_SIZE)
+#define DP_MIN_EXPONENT (-DP_EXPONENT_BIAS)
+#define DP_EXPONENT_MASK 0x7FF0000000000000
+#define DP_SIGNIFICAND_MASK 0x000FFFFFFFFFFFFF
+#define DP_HIDDEN_BIT 0x0010000000000000
+
+static diy_fp_t double2diy_fp(double d)
+{
+	uint64_t d64 = double_to_uint64(d);
+	int biased_e = (d64 & DP_EXPONENT_MASK) >> DP_SIGNIFICAND_SIZE;
+	uint64_t significand = (d64 & DP_SIGNIFICAND_MASK);
+	diy_fp_t res;
+	if (biased_e != 0) {
+		res.f = significand + DP_HIDDEN_BIT;
+		res.e = biased_e - DP_EXPONENT_BIAS;
+	} else {
+		res.f = significand;
+		res.e = DP_MIN_EXPONENT + 1;
+	}
+	return res;
+}
+
+static diy_fp_t normalize_boundary(diy_fp_t in)
+{
+	diy_fp_t res = in;
+	/* Normalize now */
+	/* the original number could have been a denormal. */
+	while (! (res.f & (DP_HIDDEN_BIT << 1))) {
+		res.f <<= 1;
+		res.e--;
+	}
+	/* do the final shifts in one go. Don't forget the hidden bit (the '-1') */
+	res.f <<= (DIY_SIGNIFICAND_SIZE - DP_SIGNIFICAND_SIZE - 2);
+	res.e = res.e - (DIY_SIGNIFICAND_SIZE - DP_SIGNIFICAND_SIZE - 2);
+	return res;
+}
+
+static void normalized_boundaries(double d, diy_fp_t* out_m_minus, diy_fp_t* out_m_plus)
+{
+	diy_fp_t v = double2diy_fp(d);
+	diy_fp_t pl, mi;
+	int significand_is_zero = v.f == DP_HIDDEN_BIT;
+	pl.f = (v.f << 1) + 1; pl.e = v.e - 1;
+	pl = normalize_boundary(pl);
+	if (significand_is_zero) {
+		mi.f = (v.f << 2) - 1;
+		mi.e = v.e - 2;
+	} else {
+		mi.f = (v.f << 1) - 1;
+		mi.e = v.e - 1;
+	}
+	mi.f <<= mi.e - pl.e;
+	mi.e = pl.e;
+	*out_m_plus = pl;
+	*out_m_minus = mi;
+}
+
+#define TEN2 100
+static void digit_gen(diy_fp_t Mp, diy_fp_t delta, char* buffer, int* len, int* K)
+{
+	uint32_t div, p1;
+	uint64_t p2;
+	int d,kappa;
+	diy_fp_t one;
+	one.f = ((uint64_t) 1) << -Mp.e; one.e = Mp.e;
+	p1 = Mp.f >> -one.e;
+	p2 = Mp.f & (one.f - 1);
+	*len = 0; kappa = 3; div = TEN2;
+	while (kappa > 0) {
+		d = p1 / div;
+		if (d || *len) buffer[(*len)++] = '0' + d;
+		p1 %= div; kappa--; div /= 10;
+		if ((((uint64_t)p1)<<-one.e)+p2 <= delta.f) {
+			*K += kappa; return;
+		}
+	}
+	do {
+		p2 *= 10;
+		d = p2 >> -one.e;
+		if (d || *len) buffer[(*len)++] = '0' + d;
+		p2 &= one.f - 1; kappa--; delta.f *= 10;
+	} while (p2 > delta.f);
+	*K += kappa;
+}
+
+int
+js_grisu2(double v, char *buffer, int *K)
+{
+	int length, mk;
+	diy_fp_t w_m, w_p, c_mk, Wp, Wm, delta;
+	int q = 64, alpha = -59, gamma = -56;
+	normalized_boundaries(v, &w_m, &w_p);
+	mk = k_comp(w_p.e + q, alpha, gamma);
+	c_mk = cached_power(mk);
+	Wp = multiply(w_p, c_mk);
+	Wm = multiply(w_m, c_mk);
+	Wm.f++; Wp.f--;
+	delta = minus(Wp, Wm);
+	*K = -mk;
+	digit_gen(Wp, delta, buffer, &length, K);
+	return length;
+}
+
+/*
+ * strtod.c
+ *
+ * Copyright (c) 1988-1993 The Regents of the University of California.
+ * Copyright (c) 1994 Sun Microsystems, Inc.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies. The University of
+ * California makes no representations about the suitability of this software
+ * for any purpose. It is provided "as is" without express or implied warranty.
+ */
+
+/* Largest possible base 10 exponent. Any exponent larger than this will
+ * already produce underflow or overflow, so there's no need to worry about
+ * additional digits.
+ */
+static int maxExponent = 511;
+
+/* Table giving binary powers of 10. Entry
+ * is 10^2^i. Used to convert decimal
+ * exponents into floating-point numbers.
+ */
+static double powersOf10[] = {
+	10.,
+	100.,
+	1.0e4,
+	1.0e8,
+	1.0e16,
+	1.0e32,
+	1.0e64,
+	1.0e128,
+	1.0e256
+};
+
+/* Parse a decimal ASCII floating-point number, optionally preceded by white
+ * space. Must have form "-I.FE-X", where I is the integer part of the
+ * mantissa, F is the fractional part of the mantissa, and X is the exponent.
+ * Either of the signs may be "+", "-", or omitted. Either I or F may be
+ * omitted, or both. The decimal point isn't necessary unless F is present.
+ * The "E" may actually be an "e". E and X may both be omitted (but not just
+ * one).
+ */
+double
+js_strtod(const char *string, char **endPtr)
+{
+	int sign, expSign = FALSE;
+	double fraction, dblExp, *d;
+	register const char *p;
+	register int c;
+
+	/* Exponent read from "EX" field. */
+	int exp = 0;
+
+	/* Exponent that derives from the fractional part. Under normal
+	 * circumstances, it is the negative of the number of digits in F.
+	 * However, if I is very long, the last digits of I get dropped
+	 * (otherwise a long I with a large negative exponent could cause an
+	 * unnecessary overflow on I alone). In this case, fracExp is
+	 * incremented one for each dropped digit.
+	 */
+	int fracExp = 0;
+
+	/* Number of digits in mantissa. */
+	int mantSize;
+
+	/* Number of mantissa digits BEFORE decimal point. */
+	int decPt;
+
+	/* Temporarily holds location of exponent in string. */
+	const char *pExp;
+
+	/*
+	 * Strip off leading blanks and check for a sign.
+	 */
+
+	p = string;
+	while (*p == ' ' || *p == '\t' || *p == '\n' || *p == '\r') {
+		p += 1;
+	}
+	if (*p == '-') {
+		sign = TRUE;
+		p += 1;
+	} else {
+		if (*p == '+') {
+			p += 1;
+		}
+		sign = FALSE;
+	}
+
+	/*
+	 * Count the number of digits in the mantissa (including the decimal
+	 * point), and also locate the decimal point.
+	 */
+
+	decPt = -1;
+	for (mantSize = 0; ; mantSize += 1)
+	{
+		c = *p;
+		if (!(c>='0'&&c<='9')) {
+			if ((c != '.') || (decPt >= 0)) {
+				break;
+			}
+			decPt = mantSize;
+		}
+		p += 1;
+	}
+
+	/*
+	 * Now suck up the digits in the mantissa. Use two integers to
+	 * collect 9 digits each (this is faster than using floating-point).
+	 * If the mantissa has more than 18 digits, ignore the extras, since
+	 * they can't affect the value anyway.
+	 */
+
+	pExp = p;
+	p -= mantSize;
+	if (decPt < 0) {
+		decPt = mantSize;
+	} else {
+		mantSize -= 1;			/* One of the digits was the point. */
+	}
+	if (mantSize > 18) {
+		fracExp = decPt - 18;
+		mantSize = 18;
+	} else {
+		fracExp = decPt - mantSize;
+	}
+	if (mantSize == 0) {
+		fraction = 0.0;
+		p = string;
+		goto done;
+	} else {
+		int frac1, frac2;
+		frac1 = 0;
+		for ( ; mantSize > 9; mantSize -= 1)
+		{
+			c = *p;
+			p += 1;
+			if (c == '.') {
+				c = *p;
+				p += 1;
+			}
+			frac1 = 10*frac1 + (c - '0');
+		}
+		frac2 = 0;
+		for (; mantSize > 0; mantSize -= 1)
+		{
+			c = *p;
+			p += 1;
+			if (c == '.') {
+				c = *p;
+				p += 1;
+			}
+			frac2 = 10*frac2 + (c - '0');
+		}
+		fraction = (1.0e9 * frac1) + frac2;
+	}
+
+	/*
+	 * Skim off the exponent.
+	 */
+
+	p = pExp;
+	if ((*p == 'E') || (*p == 'e')) {
+		p += 1;
+		if (*p == '-') {
+			expSign = TRUE;
+			p += 1;
+		} else {
+			if (*p == '+') {
+				p += 1;
+			}
+			expSign = FALSE;
+		}
+		while ((*p >= '0') && (*p <= '9')) {
+			exp = exp * 10 + (*p - '0');
+			p += 1;
+		}
+	}
+	if (expSign) {
+		exp = fracExp - exp;
+	} else {
+		exp = fracExp + exp;
+	}
+
+	/*
+	 * Generate a floating-point number that represents the exponent.
+	 * Do this by processing the exponent one bit at a time to combine
+	 * many powers of 2 of 10. Then combine the exponent with the
+	 * fraction.
+	 */
+
+	if (exp < -maxExponent) {
+		exp = maxExponent;
+		expSign = TRUE;
+		errno = ERANGE;
+	} else if (exp > maxExponent) {
+		exp = maxExponent;
+		expSign = FALSE;
+		errno = ERANGE;
+	} else if (exp < 0) {
+		expSign = TRUE;
+		exp = -exp;
+	} else {
+		expSign = FALSE;
+	}
+	dblExp = 1.0;
+	for (d = powersOf10; exp != 0; exp >>= 1, d += 1) {
+		if (exp & 01) {
+			dblExp *= *d;
+		}
+	}
+	if (expSign) {
+		fraction /= dblExp;
+	} else {
+		fraction *= dblExp;
+	}
+
+done:
+	if (endPtr != NULL) {
+		*endPtr = (char *) p;
+	}
+
+	if (sign) {
+		return -fraction;
+	}
+	return fraction;
+}

programs/develop/kosjs/libmujs/jsdump.c

@@ -0,0 +1,924 @@
+#include "jsi.h"
+#include "jsparse.h"
+#include "jscompile.h"
+#include "jsvalue.h"
+
+#include "utf.h"
+
+#include <assert.h>
+
+static const char *astname[] = {
+#include "astnames.h"
+NULL
+};
+
+static const char *opname[] = {
+#include "opnames.h"
+NULL
+};
+
+static int minify = 0;
+
+const char *jsP_aststring(enum js_AstType type)
+{
+	if (type < nelem(astname)-1)
+		return astname[type];
+	return "<unknown>";
+}
+
+const char *jsC_opcodestring(enum js_OpCode opcode)
+{
+	if (opcode < nelem(opname)-1)
+		return opname[opcode];
+	return "<unknown>";
+}
+
+static int prec(enum js_AstType type)
+{
+	switch (type) {
+	case AST_IDENTIFIER:
+	case EXP_IDENTIFIER:
+	case EXP_NUMBER:
+	case EXP_STRING:
+	case EXP_REGEXP:
+	case EXP_UNDEF:
+	case EXP_NULL:
+	case EXP_TRUE:
+	case EXP_FALSE:
+	case EXP_THIS:
+	case EXP_ARRAY:
+	case EXP_OBJECT:
+		return 170;
+
+	case EXP_FUN:
+	case EXP_INDEX:
+	case EXP_MEMBER:
+	case EXP_CALL:
+	case EXP_NEW:
+		return 160;
+
+	case EXP_POSTINC:
+	case EXP_POSTDEC:
+		return 150;
+
+	case EXP_DELETE:
+	case EXP_VOID:
+	case EXP_TYPEOF:
+	case EXP_PREINC:
+	case EXP_PREDEC:
+	case EXP_POS:
+	case EXP_NEG:
+	case EXP_BITNOT:
+	case EXP_LOGNOT:
+		return 140;
+
+	case EXP_MOD:
+	case EXP_DIV:
+	case EXP_MUL:
+		return 130;
+
+	case EXP_SUB:
+	case EXP_ADD:
+		return 120;
+
+	case EXP_USHR:
+	case EXP_SHR:
+	case EXP_SHL:
+		return 110;
+
+	case EXP_IN:
+	case EXP_INSTANCEOF:
+	case EXP_GE:
+	case EXP_LE:
+	case EXP_GT:
+	case EXP_LT:
+		return 100;
+
+	case EXP_STRICTNE:
+	case EXP_STRICTEQ:
+	case EXP_NE:
+	case EXP_EQ:
+		return 90;
+
+	case EXP_BITAND: return 80;
+	case EXP_BITXOR: return 70;
+	case EXP_BITOR: return 60;
+	case EXP_LOGAND: return 50;
+	case EXP_LOGOR: return 40;
+
+	case EXP_COND:
+		return 30;
+
+	case EXP_ASS:
+	case EXP_ASS_MUL:
+	case EXP_ASS_DIV:
+	case EXP_ASS_MOD:
+	case EXP_ASS_ADD:
+	case EXP_ASS_SUB:
+	case EXP_ASS_SHL:
+	case EXP_ASS_SHR:
+	case EXP_ASS_USHR:
+	case EXP_ASS_BITAND:
+	case EXP_ASS_BITXOR:
+	case EXP_ASS_BITOR:
+		return 20;
+
+#define COMMA 15
+
+	case EXP_COMMA:
+		return 10;
+
+	default:
+		return 0;
+	}
+}
+
+static void pc(int c)
+{
+	putchar(c);
+}
+
+static void ps(const char *s)
+{
+	fputs(s, stdout);
+}
+
+static void pn(int n)
+{
+	printf("%d", n);
+}
+
+static void in(int d)
+{
+	if (minify < 1)
+		while (d-- > 0)
+			putchar('\t');
+}
+
+static void nl(void)
+{
+	if (minify < 2)
+		putchar('\n');
+}
+
+static void sp(void)
+{
+	if (minify < 1)
+		putchar(' ');
+}
+
+static void comma(void)
+{
+	putchar(',');
+	sp();
+}
+
+/* Pretty-printed Javascript syntax */
+
+static void pstmlist(int d, js_Ast *list);
+static void pexpi(int d, int i, js_Ast *exp);
+static void pstm(int d, js_Ast *stm);
+static void slist(int d, js_Ast *list);
+static void sblock(int d, js_Ast *list);
+
+static void pargs(int d, js_Ast *list)
+{
+	while (list) {
+		assert(list->type == AST_LIST);
+		pexpi(d, COMMA, list->a);
+		list = list->b;
+		if (list)
+			comma();
+	}
+}
+
+static void parray(int d, js_Ast *list)
+{
+	pc('[');
+	while (list) {
+		assert(list->type == AST_LIST);
+		pexpi(d, COMMA, list->a);
+		list = list->b;
+		if (list)
+			comma();
+	}
+	pc(']');
+}
+
+static void pobject(int d, js_Ast *list)
+{
+	pc('{');
+	if (list) {
+		nl();
+		in(d+1);
+	}
+	while (list) {
+		js_Ast *kv = list->a;
+		assert(list->type == AST_LIST);
+		switch (kv->type) {
+		default: break;
+		case EXP_PROP_VAL:
+			pexpi(d+1, COMMA, kv->a);
+			pc(':'); sp();
+			pexpi(d+1, COMMA, kv->b);
+			break;
+		case EXP_PROP_GET:
+			ps("get ");
+			pexpi(d+1, COMMA, kv->a);
+			ps("()"); sp(); pc('{'); nl();
+			pstmlist(d+1, kv->c);
+			in(d+1); pc('}');
+			break;
+		case EXP_PROP_SET:
+			ps("set ");
+			pexpi(d+1, COMMA, kv->a);
+			pc('(');
+			pargs(d+1, kv->b);
+			pc(')'); sp(); pc('{'); nl();
+			pstmlist(d+1, kv->c);
+			in(d+1); pc('}');
+			break;
+		}
+		list = list->b;
+		if (list) {
+			pc(',');
+			nl();
+			in(d+1);
+		} else {
+			nl();
+			in(d);
+		}
+	}
+	pc('}');
+}
+
+static void pstr(const char *s)
+{
+	static const char *HEX = "0123456789ABCDEF";
+	Rune c;
+	pc(minify ? '\'' : '"');
+	while (*s) {
+		s += chartorune(&c, s);
+		switch (c) {
+		case '\'': ps("\\'"); break;
+		case '"': ps("\\\""); break;
+		case '\\': ps("\\\\"); break;
+		case '\b': ps("\\b"); break;
+		case '\f': ps("\\f"); break;
+		case '\n': ps("\\n"); break;
+		case '\r': ps("\\r"); break;
+		case '\t': ps("\\t"); break;
+		default:
+			if (c < ' ' || c > 127) {
+				ps("\\u");
+				pc(HEX[(c>>12)&15]);
+				pc(HEX[(c>>8)&15]);
+				pc(HEX[(c>>4)&15]);
+				pc(HEX[c&15]);
+			} else {
+				pc(c); break;
+			}
+		}
+	}
+	pc(minify ? '\'' : '"');
+}
+
+static void pregexp(const char *prog, int flags)
+{
+	pc('/');
+	ps(prog);
+	pc('/');
+	if (flags & JS_REGEXP_G) pc('g');
+	if (flags & JS_REGEXP_I) pc('i');
+	if (flags & JS_REGEXP_M) pc('m');
+}
+
+static void pbin(int d, int p, js_Ast *exp, const char *op)
+{
+	pexpi(d, p, exp->a);
+	sp();
+	ps(op);
+	sp();
+	pexpi(d, p, exp->b);
+}
+
+static void puna(int d, int p, js_Ast *exp, const char *pre, const char *suf)
+{
+	ps(pre);
+	pexpi(d, p, exp->a);
+	ps(suf);
+}
+
+static void pexpi(int d, int p, js_Ast *exp)
+{
+	int tp, paren;
+
+	if (!exp) return;
+
+	tp = prec(exp->type);
+	paren = 0;
+	if (tp < p) {
+		pc('(');
+		paren = 1;
+	}
+	p = tp;
+
+	switch (exp->type) {
+	case AST_IDENTIFIER: ps(exp->string); break;
+	case EXP_IDENTIFIER: ps(exp->string); break;
+	case EXP_NUMBER: printf("%.9g", exp->number); break;
+	case EXP_STRING: pstr(exp->string); break;
+	case EXP_REGEXP: pregexp(exp->string, exp->number); break;
+
+	case EXP_UNDEF: break;
+	case EXP_NULL: ps("null"); break;
+	case EXP_TRUE: ps("true"); break;
+	case EXP_FALSE: ps("false"); break;
+	case EXP_THIS: ps("this"); break;
+
+	case EXP_OBJECT: pobject(d, exp->a); break;
+	case EXP_ARRAY: parray(d, exp->a); break;
+
+	case EXP_DELETE: puna(d, p, exp, "delete ", ""); break;
+	case EXP_VOID: puna(d, p, exp, "void ", ""); break;
+	case EXP_TYPEOF: puna(d, p, exp, "typeof ", ""); break;
+	case EXP_PREINC: puna(d, p, exp, "++", ""); break;
+	case EXP_PREDEC: puna(d, p, exp, "--", ""); break;
+	case EXP_POSTINC: puna(d, p, exp, "", "++"); break;
+	case EXP_POSTDEC: puna(d, p, exp, "", "--"); break;
+	case EXP_POS: puna(d, p, exp, "+", ""); break;
+	case EXP_NEG: puna(d, p, exp, "-", ""); break;
+	case EXP_BITNOT: puna(d, p, exp, "~", ""); break;
+	case EXP_LOGNOT: puna(d, p, exp, "!", ""); break;
+
+	case EXP_LOGOR: pbin(d, p, exp, "||"); break;
+	case EXP_LOGAND: pbin(d, p, exp, "&&"); break;
+	case EXP_BITOR: pbin(d, p, exp, "|"); break;
+	case EXP_BITXOR: pbin(d, p, exp, "^"); break;
+	case EXP_BITAND: pbin(d, p, exp, "&"); break;
+	case EXP_EQ: pbin(d, p, exp, "=="); break;
+	case EXP_NE: pbin(d, p, exp, "!="); break;
+	case EXP_STRICTEQ: pbin(d, p, exp, "==="); break;
+	case EXP_STRICTNE: pbin(d, p, exp, "!=="); break;
+	case EXP_LT: pbin(d, p, exp, "<"); break;
+	case EXP_GT: pbin(d, p, exp, ">"); break;
+	case EXP_LE: pbin(d, p, exp, "<="); break;
+	case EXP_GE: pbin(d, p, exp, ">="); break;
+	case EXP_IN: pbin(d, p, exp, "in"); break;
+	case EXP_SHL: pbin(d, p, exp, "<<"); break;
+	case EXP_SHR: pbin(d, p, exp, ">>"); break;
+	case EXP_USHR: pbin(d, p, exp, ">>>"); break;
+	case EXP_ADD: pbin(d, p, exp, "+"); break;
+	case EXP_SUB: pbin(d, p, exp, "-"); break;
+	case EXP_MUL: pbin(d, p, exp, "*"); break;
+	case EXP_DIV: pbin(d, p, exp, "/"); break;
+	case EXP_MOD: pbin(d, p, exp, "%"); break;
+	case EXP_ASS: pbin(d, p, exp, "="); break;
+	case EXP_ASS_MUL: pbin(d, p, exp, "*="); break;
+	case EXP_ASS_DIV: pbin(d, p, exp, "/="); break;
+	case EXP_ASS_MOD: pbin(d, p, exp, "%="); break;
+	case EXP_ASS_ADD: pbin(d, p, exp, "+="); break;
+	case EXP_ASS_SUB: pbin(d, p, exp, "-="); break;
+	case EXP_ASS_SHL: pbin(d, p, exp, "<<="); break;
+	case EXP_ASS_SHR: pbin(d, p, exp, ">>="); break;
+	case EXP_ASS_USHR: pbin(d, p, exp, ">>>="); break;
+	case EXP_ASS_BITAND: pbin(d, p, exp, "&="); break;
+	case EXP_ASS_BITXOR: pbin(d, p, exp, "^="); break;
+	case EXP_ASS_BITOR: pbin(d, p, exp, "|="); break;
+
+	case EXP_INSTANCEOF:
+		pexpi(d, p, exp->a);
+		ps(" instanceof ");
+		pexpi(d, p, exp->b);
+		break;
+
+	case EXP_COMMA:
+		pexpi(d, p, exp->a);
+		pc(','); sp();
+		pexpi(d, p, exp->b);
+		break;
+
+	case EXP_COND:
+		pexpi(d, p, exp->a);
+		sp(); pc('?'); sp();
+		pexpi(d, p, exp->b);
+		sp(); pc(':'); sp();
+		pexpi(d, p, exp->c);
+		break;
+
+	case EXP_INDEX:
+		pexpi(d, p, exp->a);
+		pc('[');
+		pexpi(d, 0, exp->b);
+		pc(']');
+		break;
+
+	case EXP_MEMBER:
+		pexpi(d, p, exp->a);
+		pc('.');
+		pexpi(d, 0, exp->b);
+		break;
+
+	case EXP_CALL:
+		pexpi(d, p, exp->a);
+		pc('(');
+		pargs(d, exp->b);
+		pc(')');
+		break;
+
+	case EXP_NEW:
+		ps("new ");
+		pexpi(d, p, exp->a);
+		pc('(');
+		pargs(d, exp->b);
+		pc(')');
+		break;
+
+	case EXP_FUN:
+		if (p == 0) pc('(');
+		ps("function ");
+		pexpi(d, 0, exp->a);
+		pc('(');
+		pargs(d, exp->b);
+		pc(')'); sp(); pc('{'); nl();
+		pstmlist(d, exp->c);
+		in(d); pc('}');
+		if (p == 0) pc(')');
+		break;
+
+	default:
+		ps("<UNKNOWN>");
+		break;
+	}
+
+	if (paren) pc(')');
+}
+
+static void pexp(int d, js_Ast *exp)
+{
+	pexpi(d, 0, exp);
+}
+
+static void pvar(int d, js_Ast *var)
+{
+	assert(var->type == EXP_VAR);
+	pexp(d, var->a);
+	if (var->b) {
+		sp(); pc('='); sp();
+		pexp(d, var->b);
+	}
+}
+
+static void pvarlist(int d, js_Ast *list)
+{
+	while (list) {
+		assert(list->type == AST_LIST);
+		pvar(d, list->a);
+		list = list->b;
+		if (list)
+			comma();
+	}
+}
+
+static void pblock(int d, js_Ast *block)
+{
+	assert(block->type == STM_BLOCK);
+	pc('{'); nl();
+	pstmlist(d, block->a);
+	in(d); pc('}');
+}
+
+static void pstmh(int d, js_Ast *stm)
+{
+	if (stm->type == STM_BLOCK) {
+		sp();
+		pblock(d, stm);
+	} else {
+		nl();
+		pstm(d+1, stm);
+	}
+}
+
+static void pcaselist(int d, js_Ast *list)
+{
+	while (list) {
+		js_Ast *stm = list->a;
+		if (stm->type == STM_CASE) {
+			in(d); ps("case "); pexp(d, stm->a); pc(':'); nl();
+			pstmlist(d, stm->b);
+		}
+		if (stm->type == STM_DEFAULT) {
+			in(d); ps("default:"); nl();
+			pstmlist(d, stm->a);
+		}
+		list = list->b;
+	}
+}
+
+static void pstm(int d, js_Ast *stm)
+{
+	if (stm->type == STM_BLOCK) {
+		pblock(d, stm);
+		return;
+	}
+
+	in(d);
+
+	switch (stm->type) {
+	case AST_FUNDEC:
+		ps("function ");
+		pexp(d, stm->a);
+		pc('(');
+		pargs(d, stm->b);
+		pc(')'); sp(); pc('{'); nl();
+		pstmlist(d, stm->c);
+		in(d); pc('}');
+		break;
+
+	case STM_EMPTY:
+		pc(';');
+		break;
+
+	case STM_VAR:
+		ps("var ");
+		pvarlist(d, stm->a);
+		pc(';');
+		break;
+
+	case STM_IF:
+		ps("if"); sp(); pc('('); pexp(d, stm->a); pc(')');
+		pstmh(d, stm->b);
+		if (stm->c) {
+			nl(); in(d); ps("else");
+			pstmh(d, stm->c);
+		}
+		break;
+
+	case STM_DO:
+		ps("do");
+		pstmh(d, stm->a);
+		nl();
+		in(d); ps("while"); sp(); pc('('); pexp(d, stm->b); pc(')'); pc(';');
+		break;
+
+	case STM_WHILE:
+		ps("while"); sp(); pc('('); pexp(d, stm->a); pc(')');
+		pstmh(d, stm->b);
+		break;
+
+	case STM_FOR:
+		ps("for"); sp(); pc('(');
+		pexp(d, stm->a); pc(';'); sp();
+		pexp(d, stm->b); pc(';'); sp();
+		pexp(d, stm->c); pc(')');
+		pstmh(d, stm->d);
+		break;
+	case STM_FOR_VAR:
+		ps("for"); sp(); ps("(var ");
+		pvarlist(d, stm->a); pc(';'); sp();
+		pexp(d, stm->b); pc(';'); sp();
+		pexp(d, stm->c); pc(')');
+		pstmh(d, stm->d);
+		break;
+	case STM_FOR_IN:
+		ps("for"); sp(); pc('(');
+		pexp(d, stm->a); ps(" in ");
+		pexp(d, stm->b); pc(')');
+		pstmh(d, stm->c);
+		break;
+	case STM_FOR_IN_VAR:
+		ps("for"); sp(); ps("(var ");
+		pvarlist(d, stm->a); ps(" in ");
+		pexp(d, stm->b); pc(')');
+		pstmh(d, stm->c);
+		break;
+
+	case STM_CONTINUE:
+		ps("continue");
+		if (stm->a) {
+			pc(' '); pexp(d, stm->a);
+		}
+		pc(';');
+		break;
+
+	case STM_BREAK:
+		ps("break");
+		if (stm->a) {
+			pc(' '); pexp(d, stm->a);
+		}
+		pc(';');
+		break;
+
+	case STM_RETURN:
+		ps("return");
+		if (stm->a) {
+			pc(' '); pexp(d, stm->a);
+		}
+		pc(';');
+		break;
+
+	case STM_WITH:
+		ps("with"); sp(); pc('('); pexp(d, stm->a); pc(')');
+		pstmh(d, stm->b);
+		break;
+
+	case STM_SWITCH:
+		ps("switch"); sp(); pc('(');
+		pexp(d, stm->a);
+		pc(')'); sp(); pc('{'); nl();
+		pcaselist(d, stm->b);
+		in(d); pc('}');
+		break;
+
+	case STM_THROW:
+		ps("throw "); pexp(d, stm->a); pc(';');
+		break;
+
+	case STM_TRY:
+		ps("try");
+		if (minify && stm->a->type != STM_BLOCK)
+			pc(' ');
+		pstmh(d, stm->a);
+		if (stm->b && stm->c) {
+			nl(); in(d); ps("catch"); sp(); pc('('); pexp(d, stm->b); pc(')');
+			pstmh(d, stm->c);
+		}
+		if (stm->d) {
+			nl(); in(d); ps("finally");
+			pstmh(d, stm->d);
+		}
+		break;
+
+	case STM_LABEL:
+		pexp(d, stm->a); pc(':'); sp(); pstm(d, stm->b);
+		break;
+
+	case STM_DEBUGGER:
+		ps("debugger");
+		pc(';');
+		break;
+
+	default:
+		pexp(d, stm);
+		pc(';');
+	}
+}
+
+static void pstmlist(int d, js_Ast *list)
+{
+	while (list) {
+		assert(list->type == AST_LIST);
+		pstm(d+1, list->a);
+		nl();
+		list = list->b;
+	}
+}
+
+void jsP_dumpsyntax(js_State *J, js_Ast *prog, int dominify)
+{
+	minify = dominify;
+	if (prog->type == AST_LIST)
+		pstmlist(-1, prog);
+	else {
+		pstm(0, prog);
+		nl();
+	}
+	if (minify > 1)
+		putchar('\n');
+}
+
+/* S-expression list representation */
+
+static void snode(int d, js_Ast *node)
+{
+	void (*afun)(int,js_Ast*) = snode;
+	void (*bfun)(int,js_Ast*) = snode;
+	void (*cfun)(int,js_Ast*) = snode;
+	void (*dfun)(int,js_Ast*) = snode;
+
+	if (!node) {
+		return;
+	}
+
+	if (node->type == AST_LIST) {
+		slist(d, node);
+		return;
+	}
+
+	pc('(');
+	ps(astname[node->type]);
+	pc(':');
+	pn(node->line);
+	switch (node->type) {
+	default: break;
+	case AST_IDENTIFIER: pc(' '); ps(node->string); break;
+	case EXP_IDENTIFIER: pc(' '); ps(node->string); break;
+	case EXP_STRING: pc(' '); pstr(node->string); break;
+	case EXP_REGEXP: pc(' '); pregexp(node->string, node->number); break;
+	case EXP_NUMBER: printf(" %.9g", node->number); break;
+	case STM_BLOCK: afun = sblock; break;
+	case AST_FUNDEC: case EXP_FUN: cfun = sblock; break;
+	case EXP_PROP_GET: cfun = sblock; break;
+	case EXP_PROP_SET: cfun = sblock; break;
+	case STM_SWITCH: bfun = sblock; break;
+	case STM_CASE: bfun = sblock; break;
+	case STM_DEFAULT: afun = sblock; break;
+	}
+	if (node->a) { pc(' '); afun(d, node->a); }
+	if (node->b) { pc(' '); bfun(d, node->b); }
+	if (node->c) { pc(' '); cfun(d, node->c); }
+	if (node->d) { pc(' '); dfun(d, node->d); }
+	pc(')');
+}
+
+static void slist(int d, js_Ast *list)
+{
+	pc('[');
+	while (list) {
+		assert(list->type == AST_LIST);
+		snode(d, list->a);
+		list = list->b;
+		if (list)
+			pc(' ');
+	}
+	pc(']');
+}
+
+static void sblock(int d, js_Ast *list)
+{
+	ps("[\n");
+	in(d+1);
+	while (list) {
+		assert(list->type == AST_LIST);
+		snode(d+1, list->a);
+		list = list->b;
+		if (list) {
+			nl();
+			in(d+1);
+		}
+	}
+	nl(); in(d); pc(']');
+}
+
+void jsP_dumplist(js_State *J, js_Ast *prog)
+{
+	minify = 0;
+	if (prog->type == AST_LIST)
+		sblock(0, prog);
+	else
+		snode(0, prog);
+	nl();
+}
+
+/* Compiled code */
+
+void jsC_dumpfunction(js_State *J, js_Function *F)
+{
+	js_Instruction *p = F->code;
+	js_Instruction *end = F->code + F->codelen;
+	int i;
+
+	minify = 0;
+
+	printf("%s(%d)\n", F->name, F->numparams);
+	if (F->lightweight) printf("\tlightweight\n");
+	if (F->arguments) printf("\targuments\n");
+	printf("\tsource %s:%d\n", F->filename, F->line);
+	for (i = 0; i < F->funlen; ++i)
+		printf("\tfunction %d %s\n", i, F->funtab[i]->name);
+	for (i = 0; i < F->varlen; ++i)
+		printf("\tlocal %d %s\n", i + 1, F->vartab[i]);
+
+	printf("{\n");
+	while (p < end) {
+		int ln = *p++;
+		int c = *p++;
+
+		printf("%5d(%3d): ", (int)(p - F->code) - 2, ln);
+		ps(opname[c]);
+
+		switch (c) {
+		case OP_INTEGER:
+			printf(" %ld", (long)((*p++) - 32768));
+			break;
+		case OP_NUMBER:
+			printf(" %.9g", F->numtab[*p++]);
+			break;
+		case OP_STRING:
+			pc(' ');
+			pstr(F->strtab[*p++]);
+			break;
+		case OP_NEWREGEXP:
+			pc(' ');
+			pregexp(F->strtab[p[0]], p[1]);
+			p += 2;
+			break;
+
+		case OP_GETVAR:
+		case OP_HASVAR:
+		case OP_SETVAR:
+		case OP_DELVAR:
+		case OP_GETPROP_S:
+		case OP_SETPROP_S:
+		case OP_DELPROP_S:
+		case OP_CATCH:
+			pc(' ');
+			ps(F->strtab[*p++]);
+			break;
+
+		case OP_GETLOCAL:
+		case OP_SETLOCAL:
+		case OP_DELLOCAL:
+			printf(" %s", F->vartab[*p++ - 1]);
+			break;
+
+		case OP_CLOSURE:
+		case OP_CALL:
+		case OP_NEW:
+		case OP_JUMP:
+		case OP_JTRUE:
+		case OP_JFALSE:
+		case OP_JCASE:
+		case OP_TRY:
+			printf(" %ld", (long)*p++);
+			break;
+		}
+
+		nl();
+	}
+	printf("}\n");
+
+	for (i = 0; i < F->funlen; ++i) {
+		if (F->funtab[i] != F) {
+			printf("function %d ", i);
+			jsC_dumpfunction(J, F->funtab[i]);
+		}
+	}
+}
+
+/* Runtime values */
+
+void js_dumpvalue(js_State *J, js_Value v)
+{
+	minify = 0;
+	switch (v.type) {
+	case JS_TUNDEFINED: printf("undefined"); break;
+	case JS_TNULL: printf("null"); break;
+	case JS_TBOOLEAN: printf(v.u.boolean ? "true" : "false"); break;
+	case JS_TNUMBER: printf("%.9g", v.u.number); break;
+	case JS_TSHRSTR: printf("'%s'", v.u.shrstr); break;
+	case JS_TLITSTR: printf("'%s'", v.u.litstr); break;
+	case JS_TMEMSTR: printf("'%s'", v.u.memstr->p); break;
+	case JS_TOBJECT:
+		if (v.u.object == J->G) {
+			printf("[Global]");
+			break;
+		}
+		switch (v.u.object->type) {
+		case JS_COBJECT: printf("[Object %p]", (void*)v.u.object); break;
+		case JS_CARRAY: printf("[Array %p]", (void*)v.u.object); break;
+		case JS_CFUNCTION:
+			printf("[Function %p, %s, %s:%d]",
+				(void*)v.u.object,
+				v.u.object->u.f.function->name,
+				v.u.object->u.f.function->filename,
+				v.u.object->u.f.function->line);
+			break;
+		case JS_CSCRIPT: printf("[Script %s]", v.u.object->u.f.function->filename); break;
+		case JS_CEVAL: printf("[Eval %s]", v.u.object->u.f.function->filename); break;
+		case JS_CCFUNCTION: printf("[CFunction %s]", v.u.object->u.c.name); break;
+		case JS_CBOOLEAN: printf("[Boolean %d]", v.u.object->u.boolean); break;
+		case JS_CNUMBER: printf("[Number %g]", v.u.object->u.number); break;
+		case JS_CSTRING: printf("[String'%s']", v.u.object->u.s.string); break;
+		case JS_CERROR: printf("[Error]"); break;
+		case JS_CARGUMENTS: printf("[Arguments %p]", (void*)v.u.object); break;
+		case JS_CITERATOR: printf("[Iterator %p]", (void*)v.u.object); break;
+		case JS_CUSERDATA:
+			printf("[Userdata %s %p]", v.u.object->u.user.tag, v.u.object->u.user.data);
+			break;
+		default: printf("[Object %p]", (void*)v.u.object); break;
+		}
+		break;
+	}
+}
+
+static void js_dumpproperty(js_State *J, js_Property *node)
+{
+	minify = 0;
+	if (node->left->level)
+		js_dumpproperty(J, node->left);
+	printf("\t%s: ", node->name);
+	js_dumpvalue(J, node->value);
+	printf(",\n");
+	if (node->right->level)
+		js_dumpproperty(J, node->right);
+}
+
+void js_dumpobject(js_State *J, js_Object *obj)
+{
+	minify = 0;
+	printf("{\n");
+	if (obj->properties->level)
+		js_dumpproperty(J, obj->properties);
+	printf("}\n");
+}

programs/develop/kosjs/libmujs/jserror.c

@@ -0,0 +1,132 @@
+#include "jsi.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+#define QQ(X) #X
+#define Q(X) QQ(X)
+
+static int jsB_stacktrace(js_State *J, int skip)
+{
+	char buf[256];
+	int n = J->tracetop - skip;
+	if (n <= 0)
+		return 0;
+	for (; n > 0; --n) {
+		const char *name = J->trace[n].name;
+		const char *file = J->trace[n].file;
+		int line = J->trace[n].line;
+		if (line > 0) {
+			if (name[0])
+				snprintf(buf, sizeof buf, "\n\tat %s (%s:%d)", name, file, line);
+			else
+				snprintf(buf, sizeof buf, "\n\tat %s:%d", file, line);
+		} else
+			snprintf(buf, sizeof buf, "\n\tat %s (%s)", name, file);
+		js_pushstring(J, buf);
+		if (n < J->tracetop - skip)
+			js_concat(J);
+	}
+	return 1;
+}
+
+static void Ep_toString(js_State *J)
+{
+	const char *name = "Error";
+	const char *message = "";
+
+	if (!js_isobject(J, -1))
+		js_typeerror(J, "not an object");
+
+	if (js_hasproperty(J, 0, "name"))
+		name = js_tostring(J, -1);
+	if (js_hasproperty(J, 0, "message"))
+		message = js_tostring(J, -1);
+
+	if (name[0] == 0)
+		js_pushstring(J, message);
+	else if (message[0] == 0)
+		js_pushstring(J, name);
+	else {
+		js_pushstring(J, name);
+		js_pushstring(J, ": ");
+		js_concat(J);
+		js_pushstring(J, message);
+		js_concat(J);
+	}
+}
+
+static int jsB_ErrorX(js_State *J, js_Object *prototype)
+{
+	int top = js_gettop(J);
+	js_pushobject(J, jsV_newobject(J, JS_CERROR, prototype));
+	if (top > 1) {
+		js_pushstring(J, js_tostring(J, 1));
+		js_defproperty(J, -2, "message", JS_DONTENUM);
+	}
+	if (jsB_stacktrace(J, 1))
+		js_defproperty(J, -2, "stackTrace", JS_DONTENUM);
+	return 1;
+}
+
+static void js_newerrorx(js_State *J, const char *message, js_Object *prototype)
+{
+	js_pushobject(J, jsV_newobject(J, JS_CERROR, prototype));
+	js_pushstring(J, message);
+	js_setproperty(J, -2, "message");
+	if (jsB_stacktrace(J, 0))
+		js_setproperty(J, -2, "stackTrace");
+}
+
+#define DERROR(name, Name) \
+	static void jsB_##Name(js_State *J) { \
+		jsB_ErrorX(J, J->Name##_prototype); \
+	} \
+	void js_new##name(js_State *J, const char *s) { \
+		js_newerrorx(J, s, J->Name##_prototype); \
+	} \
+	void js_##name(js_State *J, const char *fmt, ...) { \
+		va_list ap; \
+		char buf[256]; \
+		va_start(ap, fmt); \
+		vsnprintf(buf, sizeof buf, fmt, ap); \
+		va_end(ap); \
+		js_newerrorx(J, buf, J->Name##_prototype); \
+		js_throw(J); \
+	}
+
+DERROR(error, Error)
+DERROR(evalerror, EvalError)
+DERROR(rangeerror, RangeError)
+DERROR(referenceerror, ReferenceError)
+DERROR(syntaxerror, SyntaxError)
+DERROR(typeerror, TypeError)
+DERROR(urierror, URIError)
+
+#undef DERROR
+
+void jsB_initerror(js_State *J)
+{
+	js_pushobject(J, J->Error_prototype);
+	{
+			jsB_props(J, "name", "Error");
+			jsB_props(J, "message", "an error has occurred");
+			jsB_propf(J, "Error.prototype.toString", Ep_toString, 0);
+	}
+	js_newcconstructor(J, jsB_Error, jsB_Error, "Error", 1);
+	js_defglobal(J, "Error", JS_DONTENUM);
+
+	#define IERROR(NAME) \
+		js_pushobject(J, J->NAME##_prototype); \
+		jsB_props(J, "name", Q(NAME)); \
+		js_newcconstructor(J, jsB_##NAME, jsB_##NAME, Q(NAME), 1); \
+		js_defglobal(J, Q(NAME), JS_DONTENUM);
+
+	IERROR(EvalError);
+	IERROR(RangeError);
+	IERROR(ReferenceError);
+	IERROR(SyntaxError);
+	IERROR(TypeError);
+	IERROR(URIError);
+
+	#undef IERROR
+}

programs/develop/kosjs/libmujs/jsfunction.c

@@ -0,0 +1,229 @@
+#include "jsi.h"
+#include "jsparse.h"
+#include "jscompile.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+static void jsB_Function(js_State *J)
+{
+	int i, top = js_gettop(J);
+	js_Buffer *sb = NULL;
+	const char *body;
+	js_Ast *parse;
+	js_Function *fun;
+
+	if (js_try(J)) {
+		js_free(J, sb);
+		jsP_freeparse(J);
+		js_throw(J);
+	}
+
+	/* p1, p2, ..., pn */
+	if (top > 2) {
+		for (i = 1; i < top - 1; ++i) {
+			if (i > 1)
+				js_putc(J, &sb, ',');
+			js_puts(J, &sb, js_tostring(J, i));
+		}
+		js_putc(J, &sb, ')');
+		js_putc(J, &sb, 0);
+	}
+
+	/* body */
+	body = js_isdefined(J, top - 1) ? js_tostring(J, top - 1) : "";
+
+	parse = jsP_parsefunction(J, "[string]", sb ? sb->s : NULL, body);
+	fun = jsC_compilefunction(J, parse);
+
+	js_endtry(J);
+	js_free(J, sb);
+	jsP_freeparse(J);
+
+	js_newfunction(J, fun, J->GE);
+}
+
+static void jsB_Function_prototype(js_State *J)
+{
+	js_pushundefined(J);
+}
+
+static void Fp_toString(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	js_Buffer *sb = NULL;
+	int i;
+
+	if (!js_iscallable(J, 0))
+		js_typeerror(J, "not a function");
+
+	if (self->type == JS_CFUNCTION || self->type == JS_CSCRIPT || self->type == JS_CEVAL) {
+		js_Function *F = self->u.f.function;
+
+		if (js_try(J)) {
+			js_free(J, sb);
+			js_throw(J);
+		}
+
+		js_puts(J, &sb, "function ");
+		js_puts(J, &sb, F->name);
+		js_putc(J, &sb, '(');
+		for (i = 0; i < F->numparams; ++i) {
+			if (i > 0) js_putc(J, &sb, ',');
+			js_puts(J, &sb, F->vartab[i]);
+		}
+		js_puts(J, &sb, ") { [byte code] }");
+		js_putc(J, &sb, 0);
+
+		js_pushstring(J, sb->s);
+		js_endtry(J);
+		js_free(J, sb);
+	} else if (self->type == JS_CCFUNCTION) {
+		if (js_try(J)) {
+			js_free(J, sb);
+			js_throw(J);
+		}
+
+		js_puts(J, &sb, "function ");
+		js_puts(J, &sb, self->u.c.name);
+		js_puts(J, &sb, "() { [native code] }");
+		js_putc(J, &sb, 0);
+
+		js_pushstring(J, sb->s);
+		js_endtry(J);
+		js_free(J, sb);
+	} else {
+		js_pushliteral(J, "function () { }");
+	}
+}
+
+static void Fp_apply(js_State *J)
+{
+	int i, n;
+
+	if (!js_iscallable(J, 0))
+		js_typeerror(J, "not a function");
+
+	js_copy(J, 0);
+	js_copy(J, 1);
+
+	if (js_isnull(J, 2) || js_isundefined(J, 2)) {
+		n = 0;
+	} else {
+		n = js_getlength(J, 2);
+		for (i = 0; i < n; ++i)
+			js_getindex(J, 2, i);
+	}
+
+	js_call(J, n);
+}
+
+static void Fp_call(js_State *J)
+{
+	int i, top = js_gettop(J);
+
+	if (!js_iscallable(J, 0))
+		js_typeerror(J, "not a function");
+
+	for (i = 0; i < top; ++i)
+		js_copy(J, i);
+
+	js_call(J, top - 2);
+}
+
+static void callbound(js_State *J)
+{
+	int top = js_gettop(J);
+	int i, fun, args, n;
+
+	fun = js_gettop(J);
+	js_currentfunction(J);
+	js_getproperty(J, fun, "__TargetFunction__");
+	js_getproperty(J, fun, "__BoundThis__");
+
+	args = js_gettop(J);
+	js_getproperty(J, fun, "__BoundArguments__");
+	n = js_getlength(J, args);
+	for (i = 0; i < n; ++i)
+		js_getindex(J, args, i);
+	js_remove(J, args);
+
+	for (i = 1; i < top; ++i)
+		js_copy(J, i);
+
+	js_call(J, n + top - 1);
+}
+
+static void constructbound(js_State *J)
+{
+	int top = js_gettop(J);
+	int i, fun, args, n;
+
+	fun = js_gettop(J);
+	js_currentfunction(J);
+	js_getproperty(J, fun, "__TargetFunction__");
+
+	args = js_gettop(J);
+	js_getproperty(J, fun, "__BoundArguments__");
+	n = js_getlength(J, args);
+	for (i = 0; i < n; ++i)
+		js_getindex(J, args, i);
+	js_remove(J, args);
+
+	for (i = 1; i < top; ++i)
+		js_copy(J, i);
+
+	js_construct(J, n + top - 1);
+}
+
+static void Fp_bind(js_State *J)
+{
+	int i, top = js_gettop(J);
+	int n;
+
+	if (!js_iscallable(J, 0))
+		js_typeerror(J, "not a function");
+
+	n = js_getlength(J, 0);
+	if (n > top - 2)
+		n -= top - 2;
+	else
+		n = 0;
+
+	/* Reuse target function's prototype for HasInstance check. */
+	js_getproperty(J, 0, "prototype");
+	js_newcconstructor(J, callbound, constructbound, "[bind]", n);
+
+	/* target function */
+	js_copy(J, 0);
+	js_defproperty(J, -2, "__TargetFunction__", JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+
+	/* bound this */
+	js_copy(J, 1);
+	js_defproperty(J, -2, "__BoundThis__", JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+
+	/* bound arguments */
+	js_newarray(J);
+	for (i = 2; i < top; ++i) {
+		js_copy(J, i);
+		js_setindex(J, -2, i - 2);
+	}
+	js_defproperty(J, -2, "__BoundArguments__", JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+}
+
+void jsB_initfunction(js_State *J)
+{
+	J->Function_prototype->u.c.name = "Function.prototype";
+	J->Function_prototype->u.c.function = jsB_Function_prototype;
+	J->Function_prototype->u.c.constructor = NULL;
+	J->Function_prototype->u.c.length = 0;
+
+	js_pushobject(J, J->Function_prototype);
+	{
+		jsB_propf(J, "Function.prototype.toString", Fp_toString, 2);
+		jsB_propf(J, "Function.prototype.apply", Fp_apply, 2);
+		jsB_propf(J, "Function.prototype.call", Fp_call, 1);
+		jsB_propf(J, "Function.prototype.bind", Fp_bind, 1);
+	}
+	js_newcconstructor(J, jsB_Function, jsB_Function, "Function", 1);
+	js_defglobal(J, "Function", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/jsgc.c

@@ -0,0 +1,278 @@
+#include "jsi.h"
+#include "jscompile.h"
+#include "jsvalue.h"
+#include "jsrun.h"
+
+#include "regexp.h"
+
+static void jsG_freeenvironment(js_State *J, js_Environment *env)
+{
+	js_free(J, env);
+}
+
+static void jsG_freefunction(js_State *J, js_Function *fun)
+{
+	js_free(J, fun->funtab);
+	js_free(J, fun->numtab);
+	js_free(J, fun->strtab);
+	js_free(J, fun->vartab);
+	js_free(J, fun->code);
+	js_free(J, fun);
+}
+
+static void jsG_freeproperty(js_State *J, js_Property *node)
+{
+	if (node->left->level) jsG_freeproperty(J, node->left);
+	if (node->right->level) jsG_freeproperty(J, node->right);
+	js_free(J, node);
+}
+
+static void jsG_freeiterator(js_State *J, js_Iterator *node)
+{
+	while (node) {
+		js_Iterator *next = node->next;
+		js_free(J, node);
+		node = next;
+	}
+}
+
+static void jsG_freeobject(js_State *J, js_Object *obj)
+{
+	if (obj->properties->level)
+		jsG_freeproperty(J, obj->properties);
+	if (obj->type == JS_CREGEXP) {
+		js_free(J, obj->u.r.source);
+		js_regfreex(J->alloc, J->actx, obj->u.r.prog);
+	}
+	if (obj->type == JS_CITERATOR)
+		jsG_freeiterator(J, obj->u.iter.head);
+	if (obj->type == JS_CUSERDATA && obj->u.user.finalize)
+		obj->u.user.finalize(J, obj->u.user.data);
+	js_free(J, obj);
+}
+
+/* Mark and add object to scan queue */
+static void jsG_markobject(js_State *J, int mark, js_Object *obj)
+{
+	obj->gcmark = mark;
+	obj->gcroot = J->gcroot;
+	J->gcroot = obj;
+}
+
+static void jsG_markfunction(js_State *J, int mark, js_Function *fun)
+{
+	int i;
+	fun->gcmark = mark;
+	for (i = 0; i < fun->funlen; ++i)
+		if (fun->funtab[i]->gcmark != mark)
+			jsG_markfunction(J, mark, fun->funtab[i]);
+}
+
+static void jsG_markenvironment(js_State *J, int mark, js_Environment *env)
+{
+	do {
+		env->gcmark = mark;
+		if (env->variables->gcmark != mark)
+			jsG_markobject(J, mark, env->variables);
+		env = env->outer;
+	} while (env && env->gcmark != mark);
+}
+
+static void jsG_markproperty(js_State *J, int mark, js_Property *node)
+{
+	if (node->left->level) jsG_markproperty(J, mark, node->left);
+	if (node->right->level) jsG_markproperty(J, mark, node->right);
+
+	if (node->value.type == JS_TMEMSTR && node->value.u.memstr->gcmark != mark)
+		node->value.u.memstr->gcmark = mark;
+	if (node->value.type == JS_TOBJECT && node->value.u.object->gcmark != mark)
+		jsG_markobject(J, mark, node->value.u.object);
+	if (node->getter && node->getter->gcmark != mark)
+		jsG_markobject(J, mark, node->getter);
+	if (node->setter && node->setter->gcmark != mark)
+		jsG_markobject(J, mark, node->setter);
+}
+
+/* Mark everything the object can reach. */
+static void jsG_scanobject(js_State *J, int mark, js_Object *obj)
+{
+	if (obj->properties->level)
+		jsG_markproperty(J, mark, obj->properties);
+	if (obj->prototype && obj->prototype->gcmark != mark)
+		jsG_markobject(J, mark, obj->prototype);
+	if (obj->type == JS_CITERATOR && obj->u.iter.target->gcmark != mark) {
+		jsG_markobject(J, mark, obj->u.iter.target);
+	}
+	if (obj->type == JS_CFUNCTION || obj->type == JS_CSCRIPT || obj->type == JS_CEVAL) {
+		if (obj->u.f.scope && obj->u.f.scope->gcmark != mark)
+			jsG_markenvironment(J, mark, obj->u.f.scope);
+		if (obj->u.f.function && obj->u.f.function->gcmark != mark)
+			jsG_markfunction(J, mark, obj->u.f.function);
+	}
+}
+
+static void jsG_markstack(js_State *J, int mark)
+{
+	js_Value *v = J->stack;
+	int n = J->top;
+	while (n--) {
+		if (v->type == JS_TMEMSTR && v->u.memstr->gcmark != mark)
+			v->u.memstr->gcmark = mark;
+		if (v->type == JS_TOBJECT && v->u.object->gcmark != mark)
+			jsG_markobject(J, mark, v->u.object);
+		++v;
+	}
+}
+
+void js_gc(js_State *J, int report)
+{
+	js_Function *fun, *nextfun, **prevnextfun;
+	js_Object *obj, *nextobj, **prevnextobj;
+	js_String *str, *nextstr, **prevnextstr;
+	js_Environment *env, *nextenv, **prevnextenv;
+	unsigned int nenv = 0, nfun = 0, nobj = 0, nstr = 0, nprop = 0;
+	unsigned int genv = 0, gfun = 0, gobj = 0, gstr = 0, gprop = 0;
+	int mark;
+	int i;
+
+	if (J->gcpause) {
+		if (report)
+			js_report(J, "garbage collector is paused");
+		return;
+	}
+
+	mark = J->gcmark = J->gcmark == 1 ? 2 : 1;
+
+	/* Add initial roots. */
+
+	jsG_markobject(J, mark, J->Object_prototype);
+	jsG_markobject(J, mark, J->Array_prototype);
+	jsG_markobject(J, mark, J->Function_prototype);
+	jsG_markobject(J, mark, J->Boolean_prototype);
+	jsG_markobject(J, mark, J->Number_prototype);
+	jsG_markobject(J, mark, J->String_prototype);
+	jsG_markobject(J, mark, J->RegExp_prototype);
+	jsG_markobject(J, mark, J->Date_prototype);
+
+	jsG_markobject(J, mark, J->Error_prototype);
+	jsG_markobject(J, mark, J->EvalError_prototype);
+	jsG_markobject(J, mark, J->RangeError_prototype);
+	jsG_markobject(J, mark, J->ReferenceError_prototype);
+	jsG_markobject(J, mark, J->SyntaxError_prototype);
+	jsG_markobject(J, mark, J->TypeError_prototype);
+	jsG_markobject(J, mark, J->URIError_prototype);
+
+	jsG_markobject(J, mark, J->R);
+	jsG_markobject(J, mark, J->G);
+
+	jsG_markstack(J, mark);
+
+	jsG_markenvironment(J, mark, J->E);
+	jsG_markenvironment(J, mark, J->GE);
+	for (i = 0; i < J->envtop; ++i)
+		jsG_markenvironment(J, mark, J->envstack[i]);
+
+	/* Scan objects until none remain. */
+
+	while ((obj = J->gcroot) != NULL) {
+		J->gcroot = obj->gcroot;
+		obj->gcroot = NULL;
+		jsG_scanobject(J, mark, obj);
+	}
+
+	/* Free everything not marked. */
+
+	prevnextenv = &J->gcenv;
+	for (env = J->gcenv; env; env = nextenv) {
+		nextenv = env->gcnext;
+		if (env->gcmark != mark) {
+			*prevnextenv = nextenv;
+			jsG_freeenvironment(J, env);
+			++genv;
+		} else {
+			prevnextenv = &env->gcnext;
+		}
+		++nenv;
+	}
+
+	prevnextfun = &J->gcfun;
+	for (fun = J->gcfun; fun; fun = nextfun) {
+		nextfun = fun->gcnext;
+		if (fun->gcmark != mark) {
+			*prevnextfun = nextfun;
+			jsG_freefunction(J, fun);
+			++gfun;
+		} else {
+			prevnextfun = &fun->gcnext;
+		}
+		++nfun;
+	}
+
+	prevnextobj = &J->gcobj;
+	for (obj = J->gcobj; obj; obj = nextobj) {
+		nprop += obj->count;
+		nextobj = obj->gcnext;
+		if (obj->gcmark != mark) {
+			gprop += obj->count;
+			*prevnextobj = nextobj;
+			jsG_freeobject(J, obj);
+			++gobj;
+		} else {
+			prevnextobj = &obj->gcnext;
+		}
+		++nobj;
+	}
+
+	prevnextstr = &J->gcstr;
+	for (str = J->gcstr; str; str = nextstr) {
+		nextstr = str->gcnext;
+		if (str->gcmark != mark) {
+			*prevnextstr = nextstr;
+			js_free(J, str);
+			++gstr;
+		} else {
+			prevnextstr = &str->gcnext;
+		}
+		++nstr;
+	}
+
+	unsigned int ntot = nenv + nfun + nobj + nstr + nprop;
+	unsigned int gtot = genv + gfun + gobj + gstr + gprop;
+	unsigned int remaining = ntot - gtot;
+
+	J->gccounter = remaining;
+	J->gcthresh = remaining * JS_GCFACTOR;
+
+	if (report) {
+		char buf[256];
+		snprintf(buf, sizeof buf, "garbage collected (%d%%): %d/%d envs, %d/%d funs, %d/%d objs, %d/%d props, %d/%d strs",
+			100*gtot/ntot, genv, nenv, gfun, nfun, gobj, nobj, gprop, nprop, gstr, nstr);
+		js_report(J, buf);
+	}
+}
+
+void js_freestate(js_State *J)
+{
+	js_Function *fun, *nextfun;
+	js_Object *obj, *nextobj;
+	js_Environment *env, *nextenv;
+	js_String *str, *nextstr;
+
+	if (!J)
+		return;
+
+	for (env = J->gcenv; env; env = nextenv)
+		nextenv = env->gcnext, jsG_freeenvironment(J, env);
+	for (fun = J->gcfun; fun; fun = nextfun)
+		nextfun = fun->gcnext, jsG_freefunction(J, fun);
+	for (obj = J->gcobj; obj; obj = nextobj)
+		nextobj = obj->gcnext, jsG_freeobject(J, obj);
+	for (str = J->gcstr; str; str = nextstr)
+		nextstr = str->gcnext, js_free(J, str);
+
+	jsS_freestrings(J);
+
+	js_free(J, J->lexbuf.text);
+	J->alloc(J->actx, J->stack, 0);
+	J->alloc(J->actx, J, 0);
+}

programs/develop/kosjs/libmujs/jsi.h

@@ -78,8 +78,16 @@ typedef struct js_StackTrace js_StackTrace;
 #ifndef JS_TRYLIMIT
 #define JS_TRYLIMIT 64		/* exception stack size */
 #endif
-#ifndef JS_GCLIMIT
+#ifndef JS_GCFACTOR
-#define JS_GCLIMIT 10000	/* run gc cycle every N allocations */
+/*
+ * GC will try to trigger when memory usage is this value times the minimum
+ * needed memory. E.g. if there are 100 remaining objects after GC and this
+ * value is 5.0, then the next GC will trigger when the overall number is 500.
+ * I.e. a value of 5.0 aims at 80% garbage, 20% remain-used on each GC.
+ * The bigger the value the less impact GC has on overall performance, but more
+ * memory is used and individual GC pauses are longer (but fewer).
+ */
+#define JS_GCFACTOR 5.0		/* memory overhead factor >= 1.0 */
 #endif
 #ifndef JS_ASTLIMIT
 #define JS_ASTLIMIT 100		/* max nested expressions */
@@ -233,12 +241,14 @@ struct js_State
 	/* garbage collector list */
 	int gcpause;
 	int gcmark;
-	int gccounter;
+	unsigned int gccounter, gcthresh;
 	js_Environment *gcenv;
 	js_Function *gcfun;
 	js_Object *gcobj;
 	js_String *gcstr;
 
+	js_Object *gcroot; /* gc scan list */
+
 	/* environments on the call stack but currently not in scope */
 	int envtop;
 	js_Environment *envstack[JS_ENVLIMIT];

programs/develop/kosjs/libmujs/jsintern.c

@@ -0,0 +1,135 @@
+#include "jsi.h"
+
+/* Dynamically grown string buffer */
+
+void js_putc(js_State *J, js_Buffer **sbp, int c)
+{
+	js_Buffer *sb = *sbp;
+	if (!sb) {
+		sb = js_malloc(J, sizeof *sb);
+		sb->n = 0;
+		sb->m = sizeof sb->s;
+		*sbp = sb;
+	} else if (sb->n == sb->m) {
+		sb = js_realloc(J, sb, (sb->m *= 2) + soffsetof(js_Buffer, s));
+		*sbp = sb;
+	}
+	sb->s[sb->n++] = c;
+}
+
+void js_puts(js_State *J, js_Buffer **sb, const char *s)
+{
+	while (*s)
+		js_putc(J, sb, *s++);
+}
+
+void js_putm(js_State *J, js_Buffer **sb, const char *s, const char *e)
+{
+	while (s < e)
+		js_putc(J, sb, *s++);
+}
+
+/* Use an AA-tree to quickly look up interned strings. */
+
+struct js_StringNode
+{
+	js_StringNode *left, *right;
+	int level;
+	char string[1];
+};
+
+static js_StringNode jsS_sentinel = { &jsS_sentinel, &jsS_sentinel, 0, ""};
+
+static js_StringNode *jsS_newstringnode(js_State *J, const char *string, const char **result)
+{
+	int n = strlen(string);
+	js_StringNode *node = js_malloc(J, soffsetof(js_StringNode, string) + n + 1);
+	node->left = node->right = &jsS_sentinel;
+	node->level = 1;
+	memcpy(node->string, string, n + 1);
+	return *result = node->string, node;
+}
+
+static js_StringNode *jsS_skew(js_StringNode *node)
+{
+	if (node->left->level == node->level) {
+		js_StringNode *temp = node;
+		node = node->left;
+		temp->left = node->right;
+		node->right = temp;
+	}
+	return node;
+}
+
+static js_StringNode *jsS_split(js_StringNode *node)
+{
+	if (node->right->right->level == node->level) {
+		js_StringNode *temp = node;
+		node = node->right;
+		temp->right = node->left;
+		node->left = temp;
+		++node->level;
+	}
+	return node;
+}
+
+static js_StringNode *jsS_insert(js_State *J, js_StringNode *node, const char *string, const char **result)
+{
+	if (node != &jsS_sentinel) {
+		int c = strcmp(string, node->string);
+		if (c < 0)
+			node->left = jsS_insert(J, node->left, string, result);
+		else if (c > 0)
+			node->right = jsS_insert(J, node->right, string, result);
+		else
+			return *result = node->string, node;
+		node = jsS_skew(node);
+		node = jsS_split(node);
+		return node;
+	}
+	return jsS_newstringnode(J, string, result);
+}
+
+static void dumpstringnode(js_StringNode *node, int level)
+{
+	int i;
+	if (node->left != &jsS_sentinel)
+		dumpstringnode(node->left, level + 1);
+	printf("%d: ", node->level);
+	for (i = 0; i < level; ++i)
+		putchar('\t');
+	printf("'%s'\n", node->string);
+	if (node->right != &jsS_sentinel)
+		dumpstringnode(node->right, level + 1);
+}
+
+void jsS_dumpstrings(js_State *J)
+{
+	js_StringNode *root = J->strings;
+	printf("interned strings {\n");
+	if (root && root != &jsS_sentinel)
+		dumpstringnode(root, 1);
+	printf("}\n");
+}
+
+static void jsS_freestringnode(js_State *J, js_StringNode *node)
+{
+	if (node->left != &jsS_sentinel) jsS_freestringnode(J, node->left);
+	if (node->right != &jsS_sentinel) jsS_freestringnode(J, node->right);
+	js_free(J, node);
+}
+
+void jsS_freestrings(js_State *J)
+{
+	if (J->strings && J->strings != &jsS_sentinel)
+		jsS_freestringnode(J, J->strings);
+}
+
+const char *js_intern(js_State *J, const char *s)
+{
+	const char *result;
+	if (!J->strings)
+		J->strings = &jsS_sentinel;
+	J->strings = jsS_insert(J, J->strings, s, &result);
+	return result;
+}

programs/develop/kosjs/libmujs/jslex.c

@@ -0,0 +1,879 @@
+#include "jsi.h"
+#include "jslex.h"
+#include "utf.h"
+
+JS_NORETURN static void jsY_error(js_State *J, const char *fmt, ...) JS_PRINTFLIKE(2,3);
+
+static void jsY_error(js_State *J, const char *fmt, ...)
+{
+	va_list ap;
+	char buf[512];
+	char msgbuf[256];
+
+	va_start(ap, fmt);
+	vsnprintf(msgbuf, 256, fmt, ap);
+	va_end(ap);
+
+	snprintf(buf, 256, "%s:%d: ", J->filename, J->lexline);
+	strcat(buf, msgbuf);
+
+	js_newsyntaxerror(J, buf);
+	js_throw(J);
+}
+
+static const char *tokenstring[] = {
+	"(end-of-file)",
+	"'\\x01'", "'\\x02'", "'\\x03'", "'\\x04'", "'\\x05'", "'\\x06'", "'\\x07'",
+	"'\\x08'", "'\\x09'", "'\\x0A'", "'\\x0B'", "'\\x0C'", "'\\x0D'", "'\\x0E'", "'\\x0F'",
+	"'\\x10'", "'\\x11'", "'\\x12'", "'\\x13'", "'\\x14'", "'\\x15'", "'\\x16'", "'\\x17'",
+	"'\\x18'", "'\\x19'", "'\\x1A'", "'\\x1B'", "'\\x1C'", "'\\x1D'", "'\\x1E'", "'\\x1F'",
+	"' '", "'!'", "'\"'", "'#'", "'$'", "'%'", "'&'", "'\\''",
+	"'('", "')'", "'*'", "'+'", "','", "'-'", "'.'", "'/'",
+	"'0'", "'1'", "'2'", "'3'", "'4'", "'5'", "'6'", "'7'",
+	"'8'", "'9'", "':'", "';'", "'<'", "'='", "'>'", "'?'",
+	"'@'", "'A'", "'B'", "'C'", "'D'", "'E'", "'F'", "'G'",
+	"'H'", "'I'", "'J'", "'K'", "'L'", "'M'", "'N'", "'O'",
+	"'P'", "'Q'", "'R'", "'S'", "'T'", "'U'", "'V'", "'W'",
+	"'X'", "'Y'", "'Z'", "'['", "'\'", "']'", "'^'", "'_'",
+	"'`'", "'a'", "'b'", "'c'", "'d'", "'e'", "'f'", "'g'",
+	"'h'", "'i'", "'j'", "'k'", "'l'", "'m'", "'n'", "'o'",
+	"'p'", "'q'", "'r'", "'s'", "'t'", "'u'", "'v'", "'w'",
+	"'x'", "'y'", "'z'", "'{'", "'|'", "'}'", "'~'", "'\\x7F'",
+
+	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+
+	"(identifier)", "(number)", "(string)", "(regexp)",
+
+	"'<='", "'>='", "'=='", "'!='", "'==='", "'!=='",
+	"'<<'", "'>>'", "'>>>'", "'&&'", "'||'",
+	"'+='", "'-='", "'*='", "'/='", "'%='",
+	"'<<='", "'>>='", "'>>>='", "'&='", "'|='", "'^='",
+	"'++'", "'--'",
+
+	"'break'", "'case'", "'catch'", "'continue'", "'debugger'",
+	"'default'", "'delete'", "'do'", "'else'", "'false'", "'finally'", "'for'",
+	"'function'", "'if'", "'in'", "'instanceof'", "'new'", "'null'", "'return'",
+	"'switch'", "'this'", "'throw'", "'true'", "'try'", "'typeof'", "'var'",
+	"'void'", "'while'", "'with'",
+};
+
+const char *jsY_tokenstring(int token)
+{
+	if (token >= 0 && token < (int)nelem(tokenstring))
+		if (tokenstring[token])
+			return tokenstring[token];
+	return "<unknown>";
+}
+
+static const char *keywords[] = {
+	"break", "case", "catch", "continue", "debugger", "default", "delete",
+	"do", "else", "false", "finally", "for", "function", "if", "in",
+	"instanceof", "new", "null", "return", "switch", "this", "throw",
+	"true", "try", "typeof", "var", "void", "while", "with",
+};
+
+int jsY_findword(const char *s, const char **list, int num)
+{
+	int l = 0;
+	int r = num - 1;
+	while (l <= r) {
+		int m = (l + r) >> 1;
+		int c = strcmp(s, list[m]);
+		if (c < 0)
+			r = m - 1;
+		else if (c > 0)
+			l = m + 1;
+		else
+			return m;
+	}
+	return -1;
+}
+
+static int jsY_findkeyword(js_State *J, const char *s)
+{
+	int i = jsY_findword(s, keywords, nelem(keywords));
+	if (i >= 0) {
+		J->text = keywords[i];
+		return TK_BREAK + i; /* first keyword + i */
+	}
+	J->text = js_intern(J, s);
+	return TK_IDENTIFIER;
+}
+
+int jsY_iswhite(int c)
+{
+	return c == 0x9 || c == 0xB || c == 0xC || c == 0x20 || c == 0xA0 || c == 0xFEFF;
+}
+
+int jsY_isnewline(int c)
+{
+	return c == 0xA || c == 0xD || c == 0x2028 || c == 0x2029;
+}
+
+#ifndef isalpha
+#define isalpha(c) ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
+#endif
+#ifndef isdigit
+#define isdigit(c) (c >= '0' && c <= '9')
+#endif
+#ifndef ishex
+#define ishex(c) ((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'))
+#endif
+
+static int jsY_isidentifierstart(int c)
+{
+	return isalpha(c) || c == '$' || c == '_' || isalpharune(c);
+}
+
+static int jsY_isidentifierpart(int c)
+{
+	return isdigit(c) || isalpha(c) || c == '$' || c == '_' || isalpharune(c);
+}
+
+static int jsY_isdec(int c)
+{
+	return isdigit(c);
+}
+
+int jsY_ishex(int c)
+{
+	return isdigit(c) || ishex(c);
+}
+
+int jsY_tohex(int c)
+{
+	if (c >= '0' && c <= '9') return c - '0';
+	if (c >= 'a' && c <= 'f') return c - 'a' + 0xA;
+	if (c >= 'A' && c <= 'F') return c - 'A' + 0xA;
+	return 0;
+}
+
+static void jsY_next(js_State *J)
+{
+	Rune c;
+	if (*J->source == 0) {
+		J->lexchar = EOF;
+		return;
+	}
+	J->source += chartorune(&c, J->source);
+	/* consume CR LF as one unit */
+	if (c == '\r' && *J->source == '\n')
+		++J->source;
+	if (jsY_isnewline(c)) {
+		J->line++;
+		c = '\n';
+	}
+	J->lexchar = c;
+}
+
+#define jsY_accept(J, x) (J->lexchar == x ? (jsY_next(J), 1) : 0)
+
+#define jsY_expect(J, x) if (!jsY_accept(J, x)) jsY_error(J, "expected '%c'", x)
+
+static void jsY_unescape(js_State *J)
+{
+	if (jsY_accept(J, '\\')) {
+		if (jsY_accept(J, 'u')) {
+			int x = 0;
+			if (!jsY_ishex(J->lexchar)) { goto error; } x |= jsY_tohex(J->lexchar) << 12; jsY_next(J);
+			if (!jsY_ishex(J->lexchar)) { goto error; } x |= jsY_tohex(J->lexchar) << 8; jsY_next(J);
+			if (!jsY_ishex(J->lexchar)) { goto error; } x |= jsY_tohex(J->lexchar) << 4; jsY_next(J);
+			if (!jsY_ishex(J->lexchar)) { goto error; } x |= jsY_tohex(J->lexchar);
+			J->lexchar = x;
+			return;
+		}
+error:
+		jsY_error(J, "unexpected escape sequence");
+	}
+}
+
+static void textinit(js_State *J)
+{
+	if (!J->lexbuf.text) {
+		J->lexbuf.cap = 4096;
+		J->lexbuf.text = js_malloc(J, J->lexbuf.cap);
+	}
+	J->lexbuf.len = 0;
+}
+
+static void textpush(js_State *J, Rune c)
+{
+	int n;
+	if (c == EOF)
+		n = 1;
+	else
+		n = runelen(c);
+	if (J->lexbuf.len + n > J->lexbuf.cap) {
+		J->lexbuf.cap = J->lexbuf.cap * 2;
+		J->lexbuf.text = js_realloc(J, J->lexbuf.text, J->lexbuf.cap);
+	}
+	if (c == EOF)
+		J->lexbuf.text[J->lexbuf.len++] = 0;
+	else
+		J->lexbuf.len += runetochar(J->lexbuf.text + J->lexbuf.len, &c);
+}
+
+static char *textend(js_State *J)
+{
+	textpush(J, EOF);
+	return J->lexbuf.text;
+}
+
+static void lexlinecomment(js_State *J)
+{
+	while (J->lexchar != EOF && J->lexchar != '\n')
+		jsY_next(J);
+}
+
+static int lexcomment(js_State *J)
+{
+	/* already consumed initial '/' '*' sequence */
+	while (J->lexchar != EOF) {
+		if (jsY_accept(J, '*')) {
+			while (J->lexchar == '*')
+				jsY_next(J);
+			if (jsY_accept(J, '/'))
+				return 0;
+		}
+		else
+			jsY_next(J);
+	}
+	return -1;
+}
+
+static double lexhex(js_State *J)
+{
+	double n = 0;
+	if (!jsY_ishex(J->lexchar))
+		jsY_error(J, "malformed hexadecimal number");
+	while (jsY_ishex(J->lexchar)) {
+		n = n * 16 + jsY_tohex(J->lexchar);
+		jsY_next(J);
+	}
+	return n;
+}
+
+#if 0
+
+static double lexinteger(js_State *J)
+{
+	double n = 0;
+	if (!jsY_isdec(J->lexchar))
+		jsY_error(J, "malformed number");
+	while (jsY_isdec(J->lexchar)) {
+		n = n * 10 + (J->lexchar - '0');
+		jsY_next(J);
+	}
+	return n;
+}
+
+static double lexfraction(js_State *J)
+{
+	double n = 0;
+	double d = 1;
+	while (jsY_isdec(J->lexchar)) {
+		n = n * 10 + (J->lexchar - '0');
+		d = d * 10;
+		jsY_next(J);
+	}
+	return n / d;
+}
+
+static double lexexponent(js_State *J)
+{
+	double sign;
+	if (jsY_accept(J, 'e') || jsY_accept(J, 'E')) {
+		if (jsY_accept(J, '-')) sign = -1;
+		else if (jsY_accept(J, '+')) sign = 1;
+		else sign = 1;
+		return sign * lexinteger(J);
+	}
+	return 0;
+}
+
+static int lexnumber(js_State *J)
+{
+	double n;
+	double e;
+
+	if (jsY_accept(J, '0')) {
+		if (jsY_accept(J, 'x') || jsY_accept(J, 'X')) {
+			J->number = lexhex(J);
+			return TK_NUMBER;
+		}
+		if (jsY_isdec(J->lexchar))
+			jsY_error(J, "number with leading zero");
+		n = 0;
+		if (jsY_accept(J, '.'))
+			n += lexfraction(J);
+	} else if (jsY_accept(J, '.')) {
+		if (!jsY_isdec(J->lexchar))
+			return '.';
+		n = lexfraction(J);
+	} else {
+		n = lexinteger(J);
+		if (jsY_accept(J, '.'))
+			n += lexfraction(J);
+	}
+
+	e = lexexponent(J);
+	if (e < 0)
+		n /= pow(10, -e);
+	else if (e > 0)
+		n *= pow(10, e);
+
+	if (jsY_isidentifierstart(J->lexchar))
+		jsY_error(J, "number with letter suffix");
+
+	J->number = n;
+	return TK_NUMBER;
+}
+
+#else
+
+static int lexnumber(js_State *J)
+{
+	const char *s = J->source - 1;
+
+	if (jsY_accept(J, '0')) {
+		if (jsY_accept(J, 'x') || jsY_accept(J, 'X')) {
+			J->number = lexhex(J);
+			return TK_NUMBER;
+		}
+		if (jsY_isdec(J->lexchar))
+			jsY_error(J, "number with leading zero");
+		if (jsY_accept(J, '.')) {
+			while (jsY_isdec(J->lexchar))
+				jsY_next(J);
+		}
+	} else if (jsY_accept(J, '.')) {
+		if (!jsY_isdec(J->lexchar))
+			return '.';
+		while (jsY_isdec(J->lexchar))
+			jsY_next(J);
+	} else {
+		while (jsY_isdec(J->lexchar))
+			jsY_next(J);
+		if (jsY_accept(J, '.')) {
+			while (jsY_isdec(J->lexchar))
+				jsY_next(J);
+		}
+	}
+
+	if (jsY_accept(J, 'e') || jsY_accept(J, 'E')) {
+		if (J->lexchar == '-' || J->lexchar == '+')
+			jsY_next(J);
+		if (jsY_isdec(J->lexchar))
+			while (jsY_isdec(J->lexchar))
+				jsY_next(J);
+		else
+			jsY_error(J, "missing exponent");
+	}
+
+	if (jsY_isidentifierstart(J->lexchar))
+		jsY_error(J, "number with letter suffix");
+
+	J->number = js_strtod(s, NULL);
+	return TK_NUMBER;
+}
+
+#endif
+
+static int lexescape(js_State *J)
+{
+	int x = 0;
+
+	/* already consumed '\' */
+
+	if (jsY_accept(J, '\n'))
+		return 0;
+
+	switch (J->lexchar) {
+	case EOF: jsY_error(J, "unterminated escape sequence");
+	case 'u':
+		jsY_next(J);
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar) << 12; jsY_next(J); }
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar) << 8; jsY_next(J); }
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar) << 4; jsY_next(J); }
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar); jsY_next(J); }
+		textpush(J, x);
+		break;
+	case 'x':
+		jsY_next(J);
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar) << 4; jsY_next(J); }
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar); jsY_next(J); }
+		textpush(J, x);
+		break;
+	case '0': textpush(J, 0); jsY_next(J); break;
+	case '\\': textpush(J, '\\'); jsY_next(J); break;
+	case '\'': textpush(J, '\''); jsY_next(J); break;
+	case '"': textpush(J, '"'); jsY_next(J); break;
+	case 'b': textpush(J, '\b'); jsY_next(J); break;
+	case 'f': textpush(J, '\f'); jsY_next(J); break;
+	case 'n': textpush(J, '\n'); jsY_next(J); break;
+	case 'r': textpush(J, '\r'); jsY_next(J); break;
+	case 't': textpush(J, '\t'); jsY_next(J); break;
+	case 'v': textpush(J, '\v'); jsY_next(J); break;
+	default: textpush(J, J->lexchar); jsY_next(J); break;
+	}
+	return 0;
+}
+
+static int lexstring(js_State *J)
+{
+	const char *s;
+
+	int q = J->lexchar;
+	jsY_next(J);
+
+	textinit(J);
+
+	while (J->lexchar != q) {
+		if (J->lexchar == EOF || J->lexchar == '\n')
+			jsY_error(J, "string not terminated");
+		if (jsY_accept(J, '\\')) {
+			if (lexescape(J))
+				jsY_error(J, "malformed escape sequence");
+		} else {
+			textpush(J, J->lexchar);
+			jsY_next(J);
+		}
+	}
+	jsY_expect(J, q);
+
+	s = textend(J);
+
+	J->text = js_intern(J, s);
+	return TK_STRING;
+}
+
+/* the ugliest language wart ever... */
+static int isregexpcontext(int last)
+{
+	switch (last) {
+	case ']':
+	case ')':
+	case '}':
+	case TK_IDENTIFIER:
+	case TK_NUMBER:
+	case TK_STRING:
+	case TK_FALSE:
+	case TK_NULL:
+	case TK_THIS:
+	case TK_TRUE:
+		return 0;
+	default:
+		return 1;
+	}
+}
+
+static int lexregexp(js_State *J)
+{
+	const char *s;
+	int g, m, i;
+	int inclass = 0;
+
+	/* already consumed initial '/' */
+
+	textinit(J);
+
+	/* regexp body */
+	while (J->lexchar != '/' || inclass) {
+		if (J->lexchar == EOF || J->lexchar == '\n') {
+			jsY_error(J, "regular expression not terminated");
+		} else if (jsY_accept(J, '\\')) {
+			if (jsY_accept(J, '/')) {
+				textpush(J, '/');
+			} else {
+				textpush(J, '\\');
+				if (J->lexchar == EOF || J->lexchar == '\n')
+					jsY_error(J, "regular expression not terminated");
+				textpush(J, J->lexchar);
+				jsY_next(J);
+			}
+		} else {
+			if (J->lexchar == '[' && !inclass)
+				inclass = 1;
+			if (J->lexchar == ']' && inclass)
+				inclass = 0;
+			textpush(J, J->lexchar);
+			jsY_next(J);
+		}
+	}
+	jsY_expect(J, '/');
+
+	s = textend(J);
+
+	/* regexp flags */
+	g = i = m = 0;
+
+	while (jsY_isidentifierpart(J->lexchar)) {
+		if (jsY_accept(J, 'g')) ++g;
+		else if (jsY_accept(J, 'i')) ++i;
+		else if (jsY_accept(J, 'm')) ++m;
+		else jsY_error(J, "illegal flag in regular expression: %c", J->lexchar);
+	}
+
+	if (g > 1 || i > 1 || m > 1)
+		jsY_error(J, "duplicated flag in regular expression");
+
+	J->text = js_intern(J, s);
+	J->number = 0;
+	if (g) J->number += JS_REGEXP_G;
+	if (i) J->number += JS_REGEXP_I;
+	if (m) J->number += JS_REGEXP_M;
+	return TK_REGEXP;
+}
+
+/* simple "return [no Line Terminator here] ..." contexts */
+static int isnlthcontext(int last)
+{
+	switch (last) {
+	case TK_BREAK:
+	case TK_CONTINUE:
+	case TK_RETURN:
+	case TK_THROW:
+		return 1;
+	default:
+		return 0;
+	}
+}
+
+static int jsY_lexx(js_State *J)
+{
+	J->newline = 0;
+
+	while (1) {
+		J->lexline = J->line; /* save location of beginning of token */
+
+		while (jsY_iswhite(J->lexchar))
+			jsY_next(J);
+
+		if (jsY_accept(J, '\n')) {
+			J->newline = 1;
+			if (isnlthcontext(J->lasttoken))
+				return ';';
+			continue;
+		}
+
+		if (jsY_accept(J, '/')) {
+			if (jsY_accept(J, '/')) {
+				lexlinecomment(J);
+				continue;
+			} else if (jsY_accept(J, '*')) {
+				if (lexcomment(J))
+					jsY_error(J, "multi-line comment not terminated");
+				continue;
+			} else if (isregexpcontext(J->lasttoken)) {
+				return lexregexp(J);
+			} else if (jsY_accept(J, '=')) {
+				return TK_DIV_ASS;
+			} else {
+				return '/';
+			}
+		}
+
+		if (J->lexchar >= '0' && J->lexchar <= '9') {
+			return lexnumber(J);
+		}
+
+		switch (J->lexchar) {
+		case '(': jsY_next(J); return '(';
+		case ')': jsY_next(J); return ')';
+		case ',': jsY_next(J); return ',';
+		case ':': jsY_next(J); return ':';
+		case ';': jsY_next(J); return ';';
+		case '?': jsY_next(J); return '?';
+		case '[': jsY_next(J); return '[';
+		case ']': jsY_next(J); return ']';
+		case '{': jsY_next(J); return '{';
+		case '}': jsY_next(J); return '}';
+		case '~': jsY_next(J); return '~';
+
+		case '\'':
+		case '"':
+			return lexstring(J);
+
+		case '.':
+			return lexnumber(J);
+
+		case '<':
+			jsY_next(J);
+			if (jsY_accept(J, '<')) {
+				if (jsY_accept(J, '='))
+					return TK_SHL_ASS;
+				return TK_SHL;
+			}
+			if (jsY_accept(J, '='))
+				return TK_LE;
+			return '<';
+
+		case '>':
+			jsY_next(J);
+			if (jsY_accept(J, '>')) {
+				if (jsY_accept(J, '>')) {
+					if (jsY_accept(J, '='))
+						return TK_USHR_ASS;
+					return TK_USHR;
+				}
+				if (jsY_accept(J, '='))
+					return TK_SHR_ASS;
+				return TK_SHR;
+			}
+			if (jsY_accept(J, '='))
+				return TK_GE;
+			return '>';
+
+		case '=':
+			jsY_next(J);
+			if (jsY_accept(J, '=')) {
+				if (jsY_accept(J, '='))
+					return TK_STRICTEQ;
+				return TK_EQ;
+			}
+			return '=';
+
+		case '!':
+			jsY_next(J);
+			if (jsY_accept(J, '=')) {
+				if (jsY_accept(J, '='))
+					return TK_STRICTNE;
+				return TK_NE;
+			}
+			return '!';
+
+		case '+':
+			jsY_next(J);
+			if (jsY_accept(J, '+'))
+				return TK_INC;
+			if (jsY_accept(J, '='))
+				return TK_ADD_ASS;
+			return '+';
+
+		case '-':
+			jsY_next(J);
+			if (jsY_accept(J, '-'))
+				return TK_DEC;
+			if (jsY_accept(J, '='))
+				return TK_SUB_ASS;
+			return '-';
+
+		case '*':
+			jsY_next(J);
+			if (jsY_accept(J, '='))
+				return TK_MUL_ASS;
+			return '*';
+
+		case '%':
+			jsY_next(J);
+			if (jsY_accept(J, '='))
+				return TK_MOD_ASS;
+			return '%';
+
+		case '&':
+			jsY_next(J);
+			if (jsY_accept(J, '&'))
+				return TK_AND;
+			if (jsY_accept(J, '='))
+				return TK_AND_ASS;
+			return '&';
+
+		case '|':
+			jsY_next(J);
+			if (jsY_accept(J, '|'))
+				return TK_OR;
+			if (jsY_accept(J, '='))
+				return TK_OR_ASS;
+			return '|';
+
+		case '^':
+			jsY_next(J);
+			if (jsY_accept(J, '='))
+				return TK_XOR_ASS;
+			return '^';
+
+		case EOF:
+			return 0; /* EOF */
+		}
+
+		/* Handle \uXXXX escapes in identifiers */
+		jsY_unescape(J);
+		if (jsY_isidentifierstart(J->lexchar)) {
+			textinit(J);
+			textpush(J, J->lexchar);
+
+			jsY_next(J);
+			jsY_unescape(J);
+			while (jsY_isidentifierpart(J->lexchar)) {
+				textpush(J, J->lexchar);
+				jsY_next(J);
+				jsY_unescape(J);
+			}
+
+			textend(J);
+
+			return jsY_findkeyword(J, J->lexbuf.text);
+		}
+
+		if (J->lexchar >= 0x20 && J->lexchar <= 0x7E)
+			jsY_error(J, "unexpected character: '%c'", J->lexchar);
+		jsY_error(J, "unexpected character: \\u%04X", J->lexchar);
+	}
+}
+
+void jsY_initlex(js_State *J, const char *filename, const char *source)
+{
+	J->filename = filename;
+	J->source = source;
+	J->line = 1;
+	J->lasttoken = 0;
+	jsY_next(J); /* load first lookahead character */
+}
+
+int jsY_lex(js_State *J)
+{
+	return J->lasttoken = jsY_lexx(J);
+}
+
+static int lexjsonnumber(js_State *J)
+{
+	const char *s = J->source - 1;
+
+	if (J->lexchar == '-')
+		jsY_next(J);
+
+	if (J->lexchar == '0')
+		jsY_next(J);
+	else if (J->lexchar >= '1' && J->lexchar <= '9')
+		while (isdigit(J->lexchar))
+			jsY_next(J);
+	else
+		jsY_error(J, "unexpected non-digit");
+
+	if (jsY_accept(J, '.')) {
+		if (isdigit(J->lexchar))
+			while (isdigit(J->lexchar))
+				jsY_next(J);
+		else
+			jsY_error(J, "missing digits after decimal point");
+	}
+
+	if (jsY_accept(J, 'e') || jsY_accept(J, 'E')) {
+		if (J->lexchar == '-' || J->lexchar == '+')
+			jsY_next(J);
+		if (isdigit(J->lexchar))
+			while (isdigit(J->lexchar))
+				jsY_next(J);
+		else
+			jsY_error(J, "missing digits after exponent indicator");
+	}
+
+	J->number = js_strtod(s, NULL);
+	return TK_NUMBER;
+}
+
+static int lexjsonescape(js_State *J)
+{
+	int x = 0;
+
+	/* already consumed '\' */
+
+	switch (J->lexchar) {
+	default: jsY_error(J, "invalid escape sequence");
+	case 'u':
+		jsY_next(J);
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar) << 12; jsY_next(J); }
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar) << 8; jsY_next(J); }
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar) << 4; jsY_next(J); }
+		if (!jsY_ishex(J->lexchar)) return 1; else { x |= jsY_tohex(J->lexchar); jsY_next(J); }
+		textpush(J, x);
+		break;
+	case '"': textpush(J, '"'); jsY_next(J); break;
+	case '\\': textpush(J, '\\'); jsY_next(J); break;
+	case '/': textpush(J, '/'); jsY_next(J); break;
+	case 'b': textpush(J, '\b'); jsY_next(J); break;
+	case 'f': textpush(J, '\f'); jsY_next(J); break;
+	case 'n': textpush(J, '\n'); jsY_next(J); break;
+	case 'r': textpush(J, '\r'); jsY_next(J); break;
+	case 't': textpush(J, '\t'); jsY_next(J); break;
+	}
+	return 0;
+}
+
+static int lexjsonstring(js_State *J)
+{
+	const char *s;
+
+	textinit(J);
+
+	while (J->lexchar != '"') {
+		if (J->lexchar == EOF)
+			jsY_error(J, "unterminated string");
+		else if (J->lexchar < 32)
+			jsY_error(J, "invalid control character in string");
+		else if (jsY_accept(J, '\\'))
+			lexjsonescape(J);
+		else {
+			textpush(J, J->lexchar);
+			jsY_next(J);
+		}
+	}
+	jsY_expect(J, '"');
+
+	s = textend(J);
+
+	J->text = js_intern(J, s);
+	return TK_STRING;
+}
+
+int jsY_lexjson(js_State *J)
+{
+	while (1) {
+		J->lexline = J->line; /* save location of beginning of token */
+
+		while (jsY_iswhite(J->lexchar) || J->lexchar == '\n')
+			jsY_next(J);
+
+		if ((J->lexchar >= '0' && J->lexchar <= '9') || J->lexchar == '-')
+			return lexjsonnumber(J);
+
+		switch (J->lexchar) {
+		case ',': jsY_next(J); return ',';
+		case ':': jsY_next(J); return ':';
+		case '[': jsY_next(J); return '[';
+		case ']': jsY_next(J); return ']';
+		case '{': jsY_next(J); return '{';
+		case '}': jsY_next(J); return '}';
+
+		case '"':
+			jsY_next(J);
+			return lexjsonstring(J);
+
+		case 'f':
+			jsY_next(J); jsY_expect(J, 'a'); jsY_expect(J, 'l'); jsY_expect(J, 's'); jsY_expect(J, 'e');
+			return TK_FALSE;
+
+		case 'n':
+			jsY_next(J); jsY_expect(J, 'u'); jsY_expect(J, 'l'); jsY_expect(J, 'l');
+			return TK_NULL;
+
+		case 't':
+			jsY_next(J); jsY_expect(J, 'r'); jsY_expect(J, 'u'); jsY_expect(J, 'e');
+			return TK_TRUE;
+
+		case EOF:
+			return 0; /* EOF */
+		}
+
+		if (J->lexchar >= 0x20 && J->lexchar <= 0x7E)
+			jsY_error(J, "unexpected character: '%c'", J->lexchar);
+		jsY_error(J, "unexpected character: \\u%04X", J->lexchar);
+	}
+}

programs/develop/kosjs/libmujs/jsmath.c

@@ -0,0 +1,192 @@
+#include "jsi.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+#include <time.h>
+
+#define JS_RAND_MAX (0x7fffffff)
+
+static unsigned int jsM_rand_temper(unsigned int x)
+{
+	x ^= x>>11;
+	x ^= x<<7 & 0x9D2C5680;
+	x ^= x<<15 & 0xEFC60000;
+	x ^= x>>18;
+	return x;
+}
+
+static int jsM_rand_r(unsigned int *seed)
+{
+	return jsM_rand_temper(*seed = *seed * 1103515245 + 12345)/2;
+}
+
+static double jsM_round(double x)
+{
+	if (isnan(x)) return x;
+	if (isinf(x)) return x;
+	if (x == 0) return x;
+	if (x > 0 && x < 0.5) return 0;
+	if (x < 0 && x >= -0.5) return -0;
+	return floor(x + 0.5);
+}
+
+static void Math_abs(js_State *J)
+{
+	js_pushnumber(J, fabs(js_tonumber(J, 1)));
+}
+
+static void Math_acos(js_State *J)
+{
+	js_pushnumber(J, acos(js_tonumber(J, 1)));
+}
+
+static void Math_asin(js_State *J)
+{
+	js_pushnumber(J, asin(js_tonumber(J, 1)));
+}
+
+static void Math_atan(js_State *J)
+{
+	js_pushnumber(J, atan(js_tonumber(J, 1)));
+}
+
+static void Math_atan2(js_State *J)
+{
+	double y = js_tonumber(J, 1);
+	double x = js_tonumber(J, 2);
+	js_pushnumber(J, atan2(y, x));
+}
+
+static void Math_ceil(js_State *J)
+{
+	js_pushnumber(J, ceil(js_tonumber(J, 1)));
+}
+
+static void Math_cos(js_State *J)
+{
+	js_pushnumber(J, cos(js_tonumber(J, 1)));
+}
+
+static void Math_exp(js_State *J)
+{
+	js_pushnumber(J, exp(js_tonumber(J, 1)));
+}
+
+static void Math_floor(js_State *J)
+{
+	js_pushnumber(J, floor(js_tonumber(J, 1)));
+}
+
+static void Math_log(js_State *J)
+{
+	js_pushnumber(J, log(js_tonumber(J, 1)));
+}
+
+static void Math_pow(js_State *J)
+{
+	double x = js_tonumber(J, 1);
+	double y = js_tonumber(J, 2);
+	if (!isfinite(y) && fabs(x) == 1)
+		js_pushnumber(J, NAN);
+	else
+		js_pushnumber(J, pow(x,y));
+}
+
+static void Math_random(js_State *J)
+{
+	js_pushnumber(J, jsM_rand_r(&J->seed) / (JS_RAND_MAX + 1.0));
+}
+
+static void Math_round(js_State *J)
+{
+	double x = js_tonumber(J, 1);
+	js_pushnumber(J, jsM_round(x));
+}
+
+static void Math_sin(js_State *J)
+{
+	js_pushnumber(J, sin(js_tonumber(J, 1)));
+}
+
+static void Math_sqrt(js_State *J)
+{
+	js_pushnumber(J, sqrt(js_tonumber(J, 1)));
+}
+
+static void Math_tan(js_State *J)
+{
+	js_pushnumber(J, tan(js_tonumber(J, 1)));
+}
+
+static void Math_max(js_State *J)
+{
+	int i, n = js_gettop(J);
+	double x = -INFINITY;
+	for (i = 1; i < n; ++i) {
+		double y = js_tonumber(J, i);
+		if (isnan(y)) {
+			x = y;
+			break;
+		}
+		if (signbit(x) == signbit(y))
+			x = x > y ? x : y;
+		else if (signbit(x))
+			x = y;
+	}
+	js_pushnumber(J, x);
+}
+
+static void Math_min(js_State *J)
+{
+	int i, n = js_gettop(J);
+	double x = INFINITY;
+	for (i = 1; i < n; ++i) {
+		double y = js_tonumber(J, i);
+		if (isnan(y)) {
+			x = y;
+			break;
+		}
+		if (signbit(x) == signbit(y))
+			x = x < y ? x : y;
+		else if (signbit(y))
+			x = y;
+	}
+	js_pushnumber(J, x);
+}
+
+void jsB_initmath(js_State *J)
+{
+	J->seed = time(NULL);
+
+	js_pushobject(J, jsV_newobject(J, JS_CMATH, J->Object_prototype));
+	{
+		jsB_propn(J, "E", 2.7182818284590452354);
+		jsB_propn(J, "LN10", 2.302585092994046);
+		jsB_propn(J, "LN2", 0.6931471805599453);
+		jsB_propn(J, "LOG2E", 1.4426950408889634);
+		jsB_propn(J, "LOG10E", 0.4342944819032518);
+		jsB_propn(J, "PI", 3.1415926535897932);
+		jsB_propn(J, "SQRT1_2", 0.7071067811865476);
+		jsB_propn(J, "SQRT2", 1.4142135623730951);
+
+		jsB_propf(J, "Math.abs", Math_abs, 1);
+		jsB_propf(J, "Math.acos", Math_acos, 1);
+		jsB_propf(J, "Math.asin", Math_asin, 1);
+		jsB_propf(J, "Math.atan", Math_atan, 1);
+		jsB_propf(J, "Math.atan2", Math_atan2, 2);
+		jsB_propf(J, "Math.ceil", Math_ceil, 1);
+		jsB_propf(J, "Math.cos", Math_cos, 1);
+		jsB_propf(J, "Math.exp", Math_exp, 1);
+		jsB_propf(J, "Math.floor", Math_floor, 1);
+		jsB_propf(J, "Math.log", Math_log, 1);
+		jsB_propf(J, "Math.max", Math_max, 0); /* 2 */
+		jsB_propf(J, "Math.min", Math_min, 0); /* 2 */
+		jsB_propf(J, "Math.pow", Math_pow, 2);
+		jsB_propf(J, "Math.random", Math_random, 0);
+		jsB_propf(J, "Math.round", Math_round, 1);
+		jsB_propf(J, "Math.sin", Math_sin, 1);
+		jsB_propf(J, "Math.sqrt", Math_sqrt, 1);
+		jsB_propf(J, "Math.tan", Math_tan, 1);
+	}
+	js_defglobal(J, "Math", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/jsnumber.c

@@ -0,0 +1,198 @@
+#include "jsi.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+#if defined(_MSC_VER) && (_MSC_VER < 1700) /* VS2012 has stdint.h */
+typedef unsigned __int64 uint64_t;
+#else
+#include <stdint.h>
+#endif
+
+static void jsB_new_Number(js_State *J)
+{
+	js_newnumber(J, js_gettop(J) > 1 ? js_tonumber(J, 1) : 0);
+}
+
+static void jsB_Number(js_State *J)
+{
+	js_pushnumber(J, js_gettop(J) > 1 ? js_tonumber(J, 1) : 0);
+}
+
+static void Np_valueOf(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	if (self->type != JS_CNUMBER) js_typeerror(J, "not a number");
+	js_pushnumber(J, self->u.number);
+}
+
+static void Np_toString(js_State *J)
+{
+	char buf[100];
+	js_Object *self = js_toobject(J, 0);
+	int radix = js_isundefined(J, 1) ? 10 : js_tointeger(J, 1);
+	if (self->type != JS_CNUMBER)
+		js_typeerror(J, "not a number");
+	if (radix == 10) {
+		js_pushstring(J, jsV_numbertostring(J, buf, self->u.number));
+		return;
+	}
+	if (radix < 2 || radix > 36)
+		js_rangeerror(J, "invalid radix");
+
+	/* lame number to string conversion for any radix from 2 to 36 */
+	{
+		static const char digits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
+		double number = self->u.number;
+		int sign = self->u.number < 0;
+		js_Buffer *sb = NULL;
+		uint64_t u, limit = ((uint64_t)1<<52);
+
+		int ndigits, exp, point;
+
+		if (number == 0) { js_pushstring(J, "0"); return; }
+		if (isnan(number)) { js_pushstring(J, "NaN"); return; }
+		if (isinf(number)) { js_pushstring(J, sign ? "-Infinity" : "Infinity"); return; }
+
+		if (sign)
+			number = -number;
+
+		/* fit as many digits as we want in an int */
+		exp = 0;
+		while (number * pow(radix, exp) > limit)
+			--exp;
+		while (number * pow(radix, exp+1) < limit)
+			++exp;
+		u = number * pow(radix, exp) + 0.5;
+
+		/* trim trailing zeros */
+		while (u > 0 && (u % radix) == 0) {
+			u /= radix;
+			--exp;
+		}
+
+		/* serialize digits */
+		ndigits = 0;
+		while (u > 0) {
+			buf[ndigits++] = digits[u % radix];
+			u /= radix;
+		}
+		point = ndigits - exp;
+
+		if (js_try(J)) {
+			js_free(J, sb);
+			js_throw(J);
+		}
+
+		if (sign)
+			js_putc(J, &sb, '-');
+
+		if (point <= 0) {
+			js_putc(J, &sb, '0');
+			js_putc(J, &sb, '.');
+			while (point++ < 0)
+				js_putc(J, &sb, '0');
+			while (ndigits-- > 0)
+				js_putc(J, &sb, buf[ndigits]);
+		} else {
+			while (ndigits-- > 0) {
+				js_putc(J, &sb, buf[ndigits]);
+				if (--point == 0 && ndigits > 0)
+					js_putc(J, &sb, '.');
+			}
+			while (point-- > 0)
+				js_putc(J, &sb, '0');
+		}
+
+		js_putc(J, &sb, 0);
+		js_pushstring(J, sb->s);
+
+		js_endtry(J);
+		js_free(J, sb);
+	}
+}
+
+/* Customized ToString() on a number */
+static void numtostr(js_State *J, const char *fmt, int w, double n)
+{
+	/* buf needs to fit printf("%.20f", 1e20) */
+	char buf[50], *e;
+	sprintf(buf, fmt, w, n);
+	e = strchr(buf, 'e');
+	if (e) {
+		int exp = atoi(e+1);
+		sprintf(e, "e%+d", exp);
+	}
+	js_pushstring(J, buf);
+}
+
+static void Np_toFixed(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	int width = js_tointeger(J, 1);
+	char buf[32];
+	double x;
+	if (self->type != JS_CNUMBER) js_typeerror(J, "not a number");
+	if (width < 0) js_rangeerror(J, "precision %d out of range", width);
+	if (width > 20) js_rangeerror(J, "precision %d out of range", width);
+	x = self->u.number;
+	if (isnan(x) || isinf(x) || x <= -1e21 || x >= 1e21)
+		js_pushstring(J, jsV_numbertostring(J, buf, x));
+	else
+		numtostr(J, "%.*f", width, x);
+}
+
+static void Np_toExponential(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	int width = js_tointeger(J, 1);
+	char buf[32];
+	double x;
+	if (self->type != JS_CNUMBER) js_typeerror(J, "not a number");
+	if (width < 0) js_rangeerror(J, "precision %d out of range", width);
+	if (width > 20) js_rangeerror(J, "precision %d out of range", width);
+	x = self->u.number;
+	if (isnan(x) || isinf(x))
+		js_pushstring(J, jsV_numbertostring(J, buf, x));
+	else
+		numtostr(J, "%.*e", width, self->u.number);
+}
+
+static void Np_toPrecision(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	int width = js_tointeger(J, 1);
+	char buf[32];
+	double x;
+	if (self->type != JS_CNUMBER) js_typeerror(J, "not a number");
+	if (width < 1) js_rangeerror(J, "precision %d out of range", width);
+	if (width > 21) js_rangeerror(J, "precision %d out of range", width);
+	x = self->u.number;
+	if (isnan(x) || isinf(x))
+		js_pushstring(J, jsV_numbertostring(J, buf, x));
+	else
+		numtostr(J, "%.*g", width, self->u.number);
+}
+
+void jsB_initnumber(js_State *J)
+{
+	J->Number_prototype->u.number = 0;
+
+	js_pushobject(J, J->Number_prototype);
+	{
+		jsB_propf(J, "Number.prototype.valueOf", Np_valueOf, 0);
+		jsB_propf(J, "Number.prototype.toString", Np_toString, 1);
+		jsB_propf(J, "Number.prototype.toLocaleString", Np_toString, 0);
+		jsB_propf(J, "Number.prototype.toFixed", Np_toFixed, 1);
+		jsB_propf(J, "Number.prototype.toExponential", Np_toExponential, 1);
+		jsB_propf(J, "Number.prototype.toPrecision", Np_toPrecision, 1);
+	}
+	js_newcconstructor(J, jsB_Number, jsB_new_Number, "Number", 0); /* 1 */
+	{
+		jsB_propn(J, "MAX_VALUE", 1.7976931348623157e+308);
+		jsB_propn(J, "MIN_VALUE", 5e-324);
+		jsB_propn(J, "NaN", NAN);
+		jsB_propn(J, "NEGATIVE_INFINITY", -INFINITY);
+		jsB_propn(J, "POSITIVE_INFINITY", INFINITY);
+	}
+	js_defglobal(J, "Number", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/jsobject.c

@@ -0,0 +1,521 @@
+#include "jsi.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+static void jsB_new_Object(js_State *J)
+{
+	if (js_isundefined(J, 1) || js_isnull(J, 1))
+		js_newobject(J);
+	else
+		js_pushobject(J, js_toobject(J, 1));
+}
+
+static void jsB_Object(js_State *J)
+{
+	if (js_isundefined(J, 1) || js_isnull(J, 1))
+		js_newobject(J);
+	else
+		js_pushobject(J, js_toobject(J, 1));
+}
+
+static void Op_toString(js_State *J)
+{
+	if (js_isundefined(J, 0))
+		js_pushliteral(J, "[object Undefined]");
+	else if (js_isnull(J, 0))
+		js_pushliteral(J, "[object Null]");
+	else {
+		js_Object *self = js_toobject(J, 0);
+		switch (self->type) {
+		case JS_COBJECT: js_pushliteral(J, "[object Object]"); break;
+		case JS_CARRAY: js_pushliteral(J, "[object Array]"); break;
+		case JS_CFUNCTION: js_pushliteral(J, "[object Function]"); break;
+		case JS_CSCRIPT: js_pushliteral(J, "[object Function]"); break;
+		case JS_CEVAL: js_pushliteral(J, "[object Function]"); break;
+		case JS_CCFUNCTION: js_pushliteral(J, "[object Function]"); break;
+		case JS_CERROR: js_pushliteral(J, "[object Error]"); break;
+		case JS_CBOOLEAN: js_pushliteral(J, "[object Boolean]"); break;
+		case JS_CNUMBER: js_pushliteral(J, "[object Number]"); break;
+		case JS_CSTRING: js_pushliteral(J, "[object String]"); break;
+		case JS_CREGEXP: js_pushliteral(J, "[object RegExp]"); break;
+		case JS_CDATE: js_pushliteral(J, "[object Date]"); break;
+		case JS_CMATH: js_pushliteral(J, "[object Math]"); break;
+		case JS_CJSON: js_pushliteral(J, "[object JSON]"); break;
+		case JS_CARGUMENTS: js_pushliteral(J, "[object Arguments]"); break;
+		case JS_CITERATOR: js_pushliteral(J, "[object Iterator]"); break;
+		case JS_CUSERDATA:
+			js_pushliteral(J, "[object ");
+			js_pushliteral(J, self->u.user.tag);
+			js_concat(J);
+			js_pushliteral(J, "]");
+			js_concat(J);
+			break;
+		}
+	}
+}
+
+static void Op_valueOf(js_State *J)
+{
+	js_copy(J, 0);
+}
+
+static void Op_hasOwnProperty(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	const char *name = js_tostring(J, 1);
+	js_Property *ref = jsV_getownproperty(J, self, name);
+	js_pushboolean(J, ref != NULL);
+}
+
+static void Op_isPrototypeOf(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	if (js_isobject(J, 1)) {
+		js_Object *V = js_toobject(J, 1);
+		do {
+			V = V->prototype;
+			if (V == self) {
+				js_pushboolean(J, 1);
+				return;
+			}
+		} while (V);
+	}
+	js_pushboolean(J, 0);
+}
+
+static void Op_propertyIsEnumerable(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	const char *name = js_tostring(J, 1);
+	js_Property *ref = jsV_getownproperty(J, self, name);
+	js_pushboolean(J, ref && !(ref->atts & JS_DONTENUM));
+}
+
+static void O_getPrototypeOf(js_State *J)
+{
+	js_Object *obj;
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+	obj = js_toobject(J, 1);
+	if (obj->prototype)
+		js_pushobject(J, obj->prototype);
+	else
+		js_pushnull(J);
+}
+
+static void O_getOwnPropertyDescriptor(js_State *J)
+{
+	js_Object *obj;
+	js_Property *ref;
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+	obj = js_toobject(J, 1);
+	ref = jsV_getproperty(J, obj, js_tostring(J, 2));
+	if (!ref)
+		js_pushundefined(J);
+	else {
+		js_newobject(J);
+		if (!ref->getter && !ref->setter) {
+			js_pushvalue(J, ref->value);
+			js_setproperty(J, -2, "value");
+			js_pushboolean(J, !(ref->atts & JS_READONLY));
+			js_setproperty(J, -2, "writable");
+		} else {
+			if (ref->getter)
+				js_pushobject(J, ref->getter);
+			else
+				js_pushundefined(J);
+			js_setproperty(J, -2, "get");
+			if (ref->setter)
+				js_pushobject(J, ref->setter);
+			else
+				js_pushundefined(J);
+			js_setproperty(J, -2, "set");
+		}
+		js_pushboolean(J, !(ref->atts & JS_DONTENUM));
+		js_setproperty(J, -2, "enumerable");
+		js_pushboolean(J, !(ref->atts & JS_DONTCONF));
+		js_setproperty(J, -2, "configurable");
+	}
+}
+
+static int O_getOwnPropertyNames_walk(js_State *J, js_Property *ref, int i)
+{
+	if (ref->left->level)
+		i = O_getOwnPropertyNames_walk(J, ref->left, i);
+	js_pushliteral(J, ref->name);
+	js_setindex(J, -2, i++);
+	if (ref->right->level)
+		i = O_getOwnPropertyNames_walk(J, ref->right, i);
+	return i;
+}
+
+static void O_getOwnPropertyNames(js_State *J)
+{
+	js_Object *obj;
+	int k;
+	int i;
+
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+	obj = js_toobject(J, 1);
+
+	js_newarray(J);
+
+	if (obj->properties->level)
+		i = O_getOwnPropertyNames_walk(J, obj->properties, 0);
+	else
+		i = 0;
+
+	if (obj->type == JS_CARRAY) {
+		js_pushliteral(J, "length");
+		js_setindex(J, -2, i++);
+	}
+
+	if (obj->type == JS_CSTRING) {
+		js_pushliteral(J, "length");
+		js_setindex(J, -2, i++);
+		for (k = 0; k < obj->u.s.length; ++k) {
+			js_pushnumber(J, k);
+			js_setindex(J, -2, i++);
+		}
+	}
+
+	if (obj->type == JS_CREGEXP) {
+		js_pushliteral(J, "source");
+		js_setindex(J, -2, i++);
+		js_pushliteral(J, "global");
+		js_setindex(J, -2, i++);
+		js_pushliteral(J, "ignoreCase");
+		js_setindex(J, -2, i++);
+		js_pushliteral(J, "multiline");
+		js_setindex(J, -2, i++);
+		js_pushliteral(J, "lastIndex");
+		js_setindex(J, -2, i++);
+	}
+}
+
+static void ToPropertyDescriptor(js_State *J, js_Object *obj, const char *name, js_Object *desc)
+{
+	int haswritable = 0;
+	int hasvalue = 0;
+	int enumerable = 0;
+	int configurable = 0;
+	int writable = 0;
+	int atts = 0;
+
+	js_pushobject(J, obj);
+	js_pushobject(J, desc);
+
+	if (js_hasproperty(J, -1, "writable")) {
+		haswritable = 1;
+		writable = js_toboolean(J, -1);
+		js_pop(J, 1);
+	}
+	if (js_hasproperty(J, -1, "enumerable")) {
+		enumerable = js_toboolean(J, -1);
+		js_pop(J, 1);
+	}
+	if (js_hasproperty(J, -1, "configurable")) {
+		configurable = js_toboolean(J, -1);
+		js_pop(J, 1);
+	}
+	if (js_hasproperty(J, -1, "value")) {
+		hasvalue = 1;
+		js_setproperty(J, -3, name);
+	}
+
+	if (!writable) atts |= JS_READONLY;
+	if (!enumerable) atts |= JS_DONTENUM;
+	if (!configurable) atts |= JS_DONTCONF;
+
+	if (js_hasproperty(J, -1, "get")) {
+		if (haswritable || hasvalue)
+			js_typeerror(J, "value/writable and get/set attributes are exclusive");
+	} else {
+		js_pushundefined(J);
+	}
+
+	if (js_hasproperty(J, -2, "set")) {
+		if (haswritable || hasvalue)
+			js_typeerror(J, "value/writable and get/set attributes are exclusive");
+	} else {
+		js_pushundefined(J);
+	}
+
+	js_defaccessor(J, -4, name, atts);
+
+	js_pop(J, 2);
+}
+
+static void O_defineProperty(js_State *J)
+{
+	if (!js_isobject(J, 1)) js_typeerror(J, "not an object");
+	if (!js_isobject(J, 3)) js_typeerror(J, "not an object");
+	ToPropertyDescriptor(J, js_toobject(J, 1), js_tostring(J, 2), js_toobject(J, 3));
+	js_copy(J, 1);
+}
+
+static void O_defineProperties_walk(js_State *J, js_Property *ref)
+{
+	if (ref->left->level)
+		O_defineProperties_walk(J, ref->left);
+	if (!(ref->atts & JS_DONTENUM)) {
+		js_pushvalue(J, ref->value);
+		ToPropertyDescriptor(J, js_toobject(J, 1), ref->name, js_toobject(J, -1));
+		js_pop(J, 1);
+	}
+	if (ref->right->level)
+		O_defineProperties_walk(J, ref->right);
+}
+
+static void O_defineProperties(js_State *J)
+{
+	js_Object *props;
+
+	if (!js_isobject(J, 1)) js_typeerror(J, "not an object");
+	if (!js_isobject(J, 2)) js_typeerror(J, "not an object");
+
+	props = js_toobject(J, 2);
+	if (props->properties->level)
+		O_defineProperties_walk(J, props->properties);
+
+	js_copy(J, 1);
+}
+
+static void O_create_walk(js_State *J, js_Object *obj, js_Property *ref)
+{
+	if (ref->left->level)
+		O_create_walk(J, obj, ref->left);
+	if (!(ref->atts & JS_DONTENUM)) {
+		if (ref->value.type != JS_TOBJECT)
+			js_typeerror(J, "not an object");
+		ToPropertyDescriptor(J, obj, ref->name, ref->value.u.object);
+	}
+	if (ref->right->level)
+		O_create_walk(J, obj, ref->right);
+}
+
+static void O_create(js_State *J)
+{
+	js_Object *obj;
+	js_Object *proto;
+	js_Object *props;
+
+	if (js_isobject(J, 1))
+		proto = js_toobject(J, 1);
+	else if (js_isnull(J, 1))
+		proto = NULL;
+	else
+		js_typeerror(J, "not an object or null");
+
+	obj = jsV_newobject(J, JS_COBJECT, proto);
+	js_pushobject(J, obj);
+
+	if (js_isdefined(J, 2)) {
+		if (!js_isobject(J, 2))
+			js_typeerror(J, "not an object");
+		props = js_toobject(J, 2);
+		if (props->properties->level)
+			O_create_walk(J, obj, props->properties);
+	}
+}
+
+static int O_keys_walk(js_State *J, js_Property *ref, int i)
+{
+	if (ref->left->level)
+		i = O_keys_walk(J, ref->left, i);
+	if (!(ref->atts & JS_DONTENUM)) {
+		js_pushliteral(J, ref->name);
+		js_setindex(J, -2, i++);
+	}
+	if (ref->right->level)
+		i = O_keys_walk(J, ref->right, i);
+	return i;
+}
+
+static void O_keys(js_State *J)
+{
+	js_Object *obj;
+	int i, k;
+
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+	obj = js_toobject(J, 1);
+
+	js_newarray(J);
+
+	if (obj->properties->level)
+		i = O_keys_walk(J, obj->properties, 0);
+	else
+		i = 0;
+
+	if (obj->type == JS_CSTRING) {
+		for (k = 0; k < obj->u.s.length; ++k) {
+			js_pushnumber(J, k);
+			js_setindex(J, -2, i++);
+		}
+	}
+}
+
+static void O_preventExtensions(js_State *J)
+{
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+	js_toobject(J, 1)->extensible = 0;
+	js_copy(J, 1);
+}
+
+static void O_isExtensible(js_State *J)
+{
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+	js_pushboolean(J, js_toobject(J, 1)->extensible);
+}
+
+static void O_seal_walk(js_State *J, js_Property *ref)
+{
+	if (ref->left->level)
+		O_seal_walk(J, ref->left);
+	ref->atts |= JS_DONTCONF;
+	if (ref->right->level)
+		O_seal_walk(J, ref->right);
+}
+
+static void O_seal(js_State *J)
+{
+	js_Object *obj;
+
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+
+	obj = js_toobject(J, 1);
+	obj->extensible = 0;
+
+	if (obj->properties->level)
+		O_seal_walk(J, obj->properties);
+
+	js_copy(J, 1);
+}
+
+static int O_isSealed_walk(js_State *J, js_Property *ref)
+{
+	if (ref->left->level)
+		if (!O_isSealed_walk(J, ref->left))
+			return 0;
+	if (!(ref->atts & JS_DONTCONF))
+		return 0;
+	if (ref->right->level)
+		if (!O_isSealed_walk(J, ref->right))
+			return 0;
+	return 1;
+}
+
+static void O_isSealed(js_State *J)
+{
+	js_Object *obj;
+
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+
+	obj = js_toobject(J, 1);
+	if (obj->extensible) {
+		js_pushboolean(J, 0);
+		return;
+	}
+
+	if (obj->properties->level)
+		js_pushboolean(J, O_isSealed_walk(J, obj->properties));
+	else
+		js_pushboolean(J, 1);
+}
+
+static void O_freeze_walk(js_State *J, js_Property *ref)
+{
+	if (ref->left->level)
+		O_freeze_walk(J, ref->left);
+	ref->atts |= JS_READONLY | JS_DONTCONF;
+	if (ref->right->level)
+		O_freeze_walk(J, ref->right);
+}
+
+static void O_freeze(js_State *J)
+{
+	js_Object *obj;
+
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+
+	obj = js_toobject(J, 1);
+	obj->extensible = 0;
+
+	if (obj->properties->level)
+		O_freeze_walk(J, obj->properties);
+
+	js_copy(J, 1);
+}
+
+static int O_isFrozen_walk(js_State *J, js_Property *ref)
+{
+	if (ref->left->level)
+		if (!O_isFrozen_walk(J, ref->left))
+			return 0;
+	if (!(ref->atts & JS_READONLY))
+		return 0;
+	if (!(ref->atts & JS_DONTCONF))
+		return 0;
+	if (ref->right->level)
+		if (!O_isFrozen_walk(J, ref->right))
+			return 0;
+	return 1;
+}
+
+static void O_isFrozen(js_State *J)
+{
+	js_Object *obj;
+
+	if (!js_isobject(J, 1))
+		js_typeerror(J, "not an object");
+
+	obj = js_toobject(J, 1);
+
+	if (obj->properties->level) {
+		if (!O_isFrozen_walk(J, obj->properties)) {
+			js_pushboolean(J, 0);
+			return;
+		}
+	}
+
+	js_pushboolean(J, !obj->extensible);
+}
+
+void jsB_initobject(js_State *J)
+{
+	js_pushobject(J, J->Object_prototype);
+	{
+		jsB_propf(J, "Object.prototype.toString", Op_toString, 0);
+		jsB_propf(J, "Object.prototype.toLocaleString", Op_toString, 0);
+		jsB_propf(J, "Object.prototype.valueOf", Op_valueOf, 0);
+		jsB_propf(J, "Object.prototype.hasOwnProperty", Op_hasOwnProperty, 1);
+		jsB_propf(J, "Object.prototype.isPrototypeOf", Op_isPrototypeOf, 1);
+		jsB_propf(J, "Object.prototype.propertyIsEnumerable", Op_propertyIsEnumerable, 1);
+	}
+	js_newcconstructor(J, jsB_Object, jsB_new_Object, "Object", 1);
+	{
+		/* ES5 */
+		jsB_propf(J, "Object.getPrototypeOf", O_getPrototypeOf, 1);
+		jsB_propf(J, "Object.getOwnPropertyDescriptor", O_getOwnPropertyDescriptor, 2);
+		jsB_propf(J, "Object.getOwnPropertyNames", O_getOwnPropertyNames, 1);
+		jsB_propf(J, "Object.create", O_create, 2);
+		jsB_propf(J, "Object.defineProperty", O_defineProperty, 3);
+		jsB_propf(J, "Object.defineProperties", O_defineProperties, 2);
+		jsB_propf(J, "Object.seal", O_seal, 1);
+		jsB_propf(J, "Object.freeze", O_freeze, 1);
+		jsB_propf(J, "Object.preventExtensions", O_preventExtensions, 1);
+		jsB_propf(J, "Object.isSealed", O_isSealed, 1);
+		jsB_propf(J, "Object.isFrozen", O_isFrozen, 1);
+		jsB_propf(J, "Object.isExtensible", O_isExtensible, 1);
+		jsB_propf(J, "Object.keys", O_keys, 1);
+	}
+	js_defglobal(J, "Object", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/json.c

@@ -0,0 +1,414 @@
+#include "jsi.h"
+#include "jslex.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+
+#include "utf.h"
+
+int js_isnumberobject(js_State *J, int idx)
+{
+	return js_isobject(J, idx) && js_toobject(J, idx)->type == JS_CNUMBER;
+}
+
+int js_isstringobject(js_State *J, int idx)
+{
+	return js_isobject(J, idx) && js_toobject(J, idx)->type == JS_CSTRING;
+}
+
+static void jsonnext(js_State *J)
+{
+	J->lookahead = jsY_lexjson(J);
+}
+
+static int jsonaccept(js_State *J, int t)
+{
+	if (J->lookahead == t) {
+		jsonnext(J);
+		return 1;
+	}
+	return 0;
+}
+
+static void jsonexpect(js_State *J, int t)
+{
+	if (!jsonaccept(J, t))
+		js_syntaxerror(J, "JSON: unexpected token: %s (expected %s)",
+				jsY_tokenstring(J->lookahead), jsY_tokenstring(t));
+}
+
+static void jsonvalue(js_State *J)
+{
+	int i;
+	const char *name;
+
+	switch (J->lookahead) {
+	case TK_STRING:
+		js_pushstring(J, J->text);
+		jsonnext(J);
+		break;
+
+	case TK_NUMBER:
+		js_pushnumber(J, J->number);
+		jsonnext(J);
+		break;
+
+	case '{':
+		js_newobject(J);
+		jsonnext(J);
+		if (jsonaccept(J, '}'))
+			return;
+		do {
+			if (J->lookahead != TK_STRING)
+				js_syntaxerror(J, "JSON: unexpected token: %s (expected string)", jsY_tokenstring(J->lookahead));
+			name = J->text;
+			jsonnext(J);
+			jsonexpect(J, ':');
+			jsonvalue(J);
+			js_setproperty(J, -2, name);
+		} while (jsonaccept(J, ','));
+		jsonexpect(J, '}');
+		break;
+
+	case '[':
+		js_newarray(J);
+		jsonnext(J);
+		i = 0;
+		if (jsonaccept(J, ']'))
+			return;
+		do {
+			jsonvalue(J);
+			js_setindex(J, -2, i++);
+		} while (jsonaccept(J, ','));
+		jsonexpect(J, ']');
+		break;
+
+	case TK_TRUE:
+		js_pushboolean(J, 1);
+		jsonnext(J);
+		break;
+
+	case TK_FALSE:
+		js_pushboolean(J, 0);
+		jsonnext(J);
+		break;
+
+	case TK_NULL:
+		js_pushnull(J);
+		jsonnext(J);
+		break;
+
+	default:
+		js_syntaxerror(J, "JSON: unexpected token: %s", jsY_tokenstring(J->lookahead));
+	}
+}
+
+static void jsonrevive(js_State *J, const char *name)
+{
+	const char *key;
+	char buf[32];
+
+	/* revive is in 2 */
+	/* holder is in -1 */
+
+	js_getproperty(J, -1, name); /* get value from holder */
+
+	if (js_isobject(J, -1)) {
+		if (js_isarray(J, -1)) {
+			int i = 0;
+			int n = js_getlength(J, -1);
+			for (i = 0; i < n; ++i) {
+				jsonrevive(J, js_itoa(buf, i));
+				if (js_isundefined(J, -1)) {
+					js_pop(J, 1);
+					js_delproperty(J, -1, buf);
+				} else {
+					js_setproperty(J, -2, buf);
+				}
+			}
+		} else {
+			js_pushiterator(J, -1, 1);
+			while ((key = js_nextiterator(J, -1))) {
+				js_rot2(J);
+				jsonrevive(J, key);
+				if (js_isundefined(J, -1)) {
+					js_pop(J, 1);
+					js_delproperty(J, -1, key);
+				} else {
+					js_setproperty(J, -2, key);
+				}
+				js_rot2(J);
+			}
+			js_pop(J, 1);
+		}
+	}
+
+	js_copy(J, 2); /* reviver function */
+	js_copy(J, -3); /* holder as this */
+	js_pushstring(J, name); /* name */
+	js_copy(J, -4); /* value */
+	js_call(J, 2);
+	js_rot2pop1(J); /* pop old value, leave new value on stack */
+}
+
+static void JSON_parse(js_State *J)
+{
+	const char *source = js_tostring(J, 1);
+	jsY_initlex(J, "JSON", source);
+	jsonnext(J);
+
+	if (js_iscallable(J, 2)) {
+		js_newobject(J);
+		jsonvalue(J);
+		js_defproperty(J, -2, "", 0);
+		jsonrevive(J, "");
+	} else {
+		jsonvalue(J);
+	}
+}
+
+static void fmtnum(js_State *J, js_Buffer **sb, double n)
+{
+	if (isnan(n)) js_puts(J, sb, "null");
+	else if (isinf(n)) js_puts(J, sb, "null");
+	else if (n == 0) js_puts(J, sb, "0");
+	else {
+		char buf[40];
+		js_puts(J, sb, jsV_numbertostring(J, buf, n));
+	}
+}
+
+static void fmtstr(js_State *J, js_Buffer **sb, const char *s)
+{
+	static const char *HEX = "0123456789ABCDEF";
+	int i, n;
+	Rune c;
+	js_putc(J, sb, '"');
+	while (*s) {
+		n = chartorune(&c, s);
+		switch (c) {
+		case '"': js_puts(J, sb, "\\\""); break;
+		case '\\': js_puts(J, sb, "\\\\"); break;
+		case '\b': js_puts(J, sb, "\\b"); break;
+		case '\f': js_puts(J, sb, "\\f"); break;
+		case '\n': js_puts(J, sb, "\\n"); break;
+		case '\r': js_puts(J, sb, "\\r"); break;
+		case '\t': js_puts(J, sb, "\\t"); break;
+		default:
+			if (c < ' ') {
+				js_putc(J, sb, '\\');
+				js_putc(J, sb, 'u');
+				js_putc(J, sb, HEX[(c>>12)&15]);
+				js_putc(J, sb, HEX[(c>>8)&15]);
+				js_putc(J, sb, HEX[(c>>4)&15]);
+				js_putc(J, sb, HEX[c&15]);
+			} else if (c < 128) {
+				js_putc(J, sb, c);
+			} else {
+				for (i = 0; i < n; ++i)
+					js_putc(J, sb, s[i]);
+			}
+			break;
+		}
+		s += n;
+	}
+	js_putc(J, sb, '"');
+}
+
+static void fmtindent(js_State *J, js_Buffer **sb, const char *gap, int level)
+{
+	js_putc(J, sb, '\n');
+	while (level--)
+		js_puts(J, sb, gap);
+}
+
+static int fmtvalue(js_State *J, js_Buffer **sb, const char *key, const char *gap, int level);
+
+static int filterprop(js_State *J, const char *key)
+{
+	int i, n, found;
+	/* replacer/property-list is in stack slot 2 */
+	if (js_isarray(J, 2)) {
+		found = 0;
+		n = js_getlength(J, 2);
+		for (i = 0; i < n && !found; ++i) {
+			js_getindex(J, 2, i);
+			if (js_isstring(J, -1) || js_isnumber(J, -1) ||
+				js_isstringobject(J, -1) || js_isnumberobject(J, -1))
+				found = !strcmp(key, js_tostring(J, -1));
+			js_pop(J, 1);
+		}
+		return found;
+	}
+	return 1;
+}
+
+static void fmtobject(js_State *J, js_Buffer **sb, js_Object *obj, const char *gap, int level)
+{
+	const char *key;
+	int save;
+	int i, n;
+
+	n = js_gettop(J) - 1;
+	for (i = 4; i < n; ++i)
+		if (js_isobject(J, i))
+			if (js_toobject(J, i) == js_toobject(J, -1))
+				js_typeerror(J, "cyclic object value");
+
+	n = 0;
+	js_putc(J, sb, '{');
+	js_pushiterator(J, -1, 1);
+	while ((key = js_nextiterator(J, -1))) {
+		if (filterprop(J, key)) {
+			save = (*sb)->n;
+			if (n) js_putc(J, sb, ',');
+			if (gap) fmtindent(J, sb, gap, level + 1);
+			fmtstr(J, sb, key);
+			js_putc(J, sb, ':');
+			if (gap)
+				js_putc(J, sb, ' ');
+			js_rot2(J);
+			if (!fmtvalue(J, sb, key, gap, level + 1))
+				(*sb)->n = save;
+			else
+				++n;
+			js_rot2(J);
+		}
+	}
+	js_pop(J, 1);
+	if (gap && n) fmtindent(J, sb, gap, level);
+	js_putc(J, sb, '}');
+}
+
+static void fmtarray(js_State *J, js_Buffer **sb, const char *gap, int level)
+{
+	int n, i;
+	char buf[32];
+
+	n = js_gettop(J) - 1;
+	for (i = 4; i < n; ++i)
+		if (js_isobject(J, i))
+			if (js_toobject(J, i) == js_toobject(J, -1))
+				js_typeerror(J, "cyclic object value");
+
+	js_putc(J, sb, '[');
+	n = js_getlength(J, -1);
+	for (i = 0; i < n; ++i) {
+		if (i) js_putc(J, sb, ',');
+		if (gap) fmtindent(J, sb, gap, level + 1);
+		if (!fmtvalue(J, sb, js_itoa(buf, i), gap, level + 1))
+			js_puts(J, sb, "null");
+	}
+	if (gap && n) fmtindent(J, sb, gap, level);
+	js_putc(J, sb, ']');
+}
+
+static int fmtvalue(js_State *J, js_Buffer **sb, const char *key, const char *gap, int level)
+{
+	/* replacer/property-list is in 2 */
+	/* holder is in -1 */
+
+	js_getproperty(J, -1, key);
+
+	if (js_isobject(J, -1)) {
+		if (js_hasproperty(J, -1, "toJSON")) {
+			if (js_iscallable(J, -1)) {
+				js_copy(J, -2);
+				js_pushstring(J, key);
+				js_call(J, 1);
+				js_rot2pop1(J);
+			} else {
+				js_pop(J, 1);
+			}
+		}
+	}
+
+	if (js_iscallable(J, 2)) {
+		js_copy(J, 2); /* replacer function */
+		js_copy(J, -3); /* holder as this */
+		js_pushstring(J, key); /* name */
+		js_copy(J, -4); /* old value */
+		js_call(J, 2);
+		js_rot2pop1(J); /* pop old value, leave new value on stack */
+	}
+
+	if (js_isobject(J, -1) && !js_iscallable(J, -1)) {
+		js_Object *obj = js_toobject(J, -1);
+		switch (obj->type) {
+		case JS_CNUMBER: fmtnum(J, sb, obj->u.number); break;
+		case JS_CSTRING: fmtstr(J, sb, obj->u.s.string); break;
+		case JS_CBOOLEAN: js_puts(J, sb, obj->u.boolean ? "true" : "false"); break;
+		case JS_CARRAY: fmtarray(J, sb, gap, level); break;
+		default: fmtobject(J, sb, obj, gap, level); break;
+		}
+	}
+	else if (js_isboolean(J, -1))
+		js_puts(J, sb, js_toboolean(J, -1) ? "true" : "false");
+	else if (js_isnumber(J, -1))
+		fmtnum(J, sb, js_tonumber(J, -1));
+	else if (js_isstring(J, -1))
+		fmtstr(J, sb, js_tostring(J, -1));
+	else if (js_isnull(J, -1))
+		js_puts(J, sb, "null");
+	else {
+		js_pop(J, 1);
+		return 0;
+	}
+
+	js_pop(J, 1);
+	return 1;
+}
+
+static void JSON_stringify(js_State *J)
+{
+	js_Buffer *sb = NULL;
+	char buf[12];
+	const char *s, *gap;
+	int n;
+
+	gap = NULL;
+
+	if (js_isnumber(J, 3) || js_isnumberobject(J, 3)) {
+		n = js_tointeger(J, 3);
+		if (n < 0) n = 0;
+		if (n > 10) n = 10;
+		memset(buf, ' ', n);
+		buf[n] = 0;
+		if (n > 0) gap = buf;
+	} else if (js_isstring(J, 3) || js_isstringobject(J, 3)) {
+		s = js_tostring(J, 3);
+		n = strlen(s);
+		if (n > 10) n = 10;
+		memcpy(buf, s, n);
+		buf[n] = 0;
+		if (n > 0) gap = buf;
+	}
+
+	if (js_try(J)) {
+		js_free(J, sb);
+		js_throw(J);
+	}
+
+	js_newobject(J); /* wrapper */
+	js_copy(J, 1);
+	js_defproperty(J, -2, "", 0);
+	if (!fmtvalue(J, &sb, "", gap, 0)) {
+		js_pushundefined(J);
+	} else {
+		js_putc(J, &sb, 0);
+		js_pushstring(J, sb ? sb->s : "");
+		js_rot2pop1(J);
+	}
+
+	js_endtry(J);
+	js_free(J, sb);
+}
+
+void jsB_initjson(js_State *J)
+{
+	js_pushobject(J, jsV_newobject(J, JS_CJSON, J->Object_prototype));
+	{
+		jsB_propf(J, "JSON.parse", JSON_parse, 2);
+		jsB_propf(J, "JSON.stringify", JSON_stringify, 3);
+	}
+	js_defglobal(J, "JSON", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/jsproperty.c

@@ -0,0 +1,333 @@
+#include "jsi.h"
+#include "jsvalue.h"
+
+/*
+	Use an AA-tree to quickly look up properties in objects:
+
+	The level of every leaf node is one.
+	The level of every left child is one less than its parent.
+	The level of every right child is equal or one less than its parent.
+	The level of every right grandchild is less than its grandparent.
+	Every node of level greater than one has two children.
+
+	A link where the child's level is equal to that of its parent is called a horizontal link.
+	Individual right horizontal links are allowed, but consecutive ones are forbidden.
+	Left horizontal links are forbidden.
+
+	skew() fixes left horizontal links.
+	split() fixes consecutive right horizontal links.
+*/
+
+static js_Property sentinel = {
+	"",
+	&sentinel, &sentinel,
+	0, 0,
+	{ {0}, {0}, JS_TUNDEFINED },
+	NULL, NULL
+};
+
+static js_Property *newproperty(js_State *J, js_Object *obj, const char *name)
+{
+	js_Property *node = js_malloc(J, sizeof *node);
+	node->name = js_intern(J, name);
+	node->left = node->right = &sentinel;
+	node->level = 1;
+	node->atts = 0;
+	node->value.type = JS_TUNDEFINED;
+	node->value.u.number = 0;
+	node->getter = NULL;
+	node->setter = NULL;
+	++obj->count;
+	++J->gccounter;
+	return node;
+}
+
+static js_Property *lookup(js_Property *node, const char *name)
+{
+	while (node != &sentinel) {
+		int c = strcmp(name, node->name);
+		if (c == 0)
+			return node;
+		else if (c < 0)
+			node = node->left;
+		else
+			node = node->right;
+	}
+	return NULL;
+}
+
+static js_Property *skew(js_Property *node)
+{
+	if (node->left->level == node->level) {
+		js_Property *temp = node;
+		node = node->left;
+		temp->left = node->right;
+		node->right = temp;
+	}
+	return node;
+}
+
+static js_Property *split(js_Property *node)
+{
+	if (node->right->right->level == node->level) {
+		js_Property *temp = node;
+		node = node->right;
+		temp->right = node->left;
+		node->left = temp;
+		++node->level;
+	}
+	return node;
+}
+
+static js_Property *insert(js_State *J, js_Object *obj, js_Property *node, const char *name, js_Property **result)
+{
+	if (node != &sentinel) {
+		int c = strcmp(name, node->name);
+		if (c < 0)
+			node->left = insert(J, obj, node->left, name, result);
+		else if (c > 0)
+			node->right = insert(J, obj, node->right, name, result);
+		else
+			return *result = node;
+		node = skew(node);
+		node = split(node);
+		return node;
+	}
+	return *result = newproperty(J, obj, name);
+}
+
+static void freeproperty(js_State *J, js_Object *obj, js_Property *node)
+{
+	js_free(J, node);
+	--obj->count;
+}
+
+static js_Property *delete(js_State *J, js_Object *obj, js_Property *node, const char *name)
+{
+	js_Property *temp, *succ;
+
+	if (node != &sentinel) {
+		int c = strcmp(name, node->name);
+		if (c < 0) {
+			node->left = delete(J, obj, node->left, name);
+		} else if (c > 0) {
+			node->right = delete(J, obj, node->right, name);
+		} else {
+			if (node->left == &sentinel) {
+				temp = node;
+				node = node->right;
+				freeproperty(J, obj, temp);
+			} else if (node->right == &sentinel) {
+				temp = node;
+				node = node->left;
+				freeproperty(J, obj, temp);
+			} else {
+				succ = node->right;
+				while (succ->left != &sentinel)
+					succ = succ->left;
+				node->name = succ->name;
+				node->atts = succ->atts;
+				node->value = succ->value;
+				node->right = delete(J, obj, node->right, succ->name);
+			}
+		}
+
+		if (node->left->level < node->level - 1 ||
+			node->right->level < node->level - 1)
+		{
+			if (node->right->level > --node->level)
+				node->right->level = node->level;
+			node = skew(node);
+			node->right = skew(node->right);
+			node->right->right = skew(node->right->right);
+			node = split(node);
+			node->right = split(node->right);
+		}
+	}
+	return node;
+}
+
+js_Object *jsV_newobject(js_State *J, enum js_Class type, js_Object *prototype)
+{
+	js_Object *obj = js_malloc(J, sizeof *obj);
+	memset(obj, 0, sizeof *obj);
+	obj->gcmark = 0;
+	obj->gcnext = J->gcobj;
+	J->gcobj = obj;
+	++J->gccounter;
+
+	obj->type = type;
+	obj->properties = &sentinel;
+	obj->prototype = prototype;
+	obj->extensible = 1;
+	return obj;
+}
+
+js_Property *jsV_getownproperty(js_State *J, js_Object *obj, const char *name)
+{
+	return lookup(obj->properties, name);
+}
+
+js_Property *jsV_getpropertyx(js_State *J, js_Object *obj, const char *name, int *own)
+{
+	*own = 1;
+	do {
+		js_Property *ref = lookup(obj->properties, name);
+		if (ref)
+			return ref;
+		obj = obj->prototype;
+		*own = 0;
+	} while (obj);
+	return NULL;
+}
+
+js_Property *jsV_getproperty(js_State *J, js_Object *obj, const char *name)
+{
+	do {
+		js_Property *ref = lookup(obj->properties, name);
+		if (ref)
+			return ref;
+		obj = obj->prototype;
+	} while (obj);
+	return NULL;
+}
+
+static js_Property *jsV_getenumproperty(js_State *J, js_Object *obj, const char *name)
+{
+	do {
+		js_Property *ref = lookup(obj->properties, name);
+		if (ref && !(ref->atts & JS_DONTENUM))
+			return ref;
+		obj = obj->prototype;
+	} while (obj);
+	return NULL;
+}
+
+js_Property *jsV_setproperty(js_State *J, js_Object *obj, const char *name)
+{
+	js_Property *result;
+
+	if (!obj->extensible) {
+		result = lookup(obj->properties, name);
+		if (J->strict && !result)
+			js_typeerror(J, "object is non-extensible");
+		return result;
+	}
+
+	obj->properties = insert(J, obj, obj->properties, name, &result);
+
+	return result;
+}
+
+void jsV_delproperty(js_State *J, js_Object *obj, const char *name)
+{
+	obj->properties = delete(J, obj, obj->properties, name);
+}
+
+/* Flatten hierarchy of enumerable properties into an iterator object */
+
+static js_Iterator *itwalk(js_State *J, js_Iterator *iter, js_Property *prop, js_Object *seen)
+{
+	if (prop->right != &sentinel)
+		iter = itwalk(J, iter, prop->right, seen);
+	if (!(prop->atts & JS_DONTENUM)) {
+		if (!seen || !jsV_getenumproperty(J, seen, prop->name)) {
+			js_Iterator *head = js_malloc(J, sizeof *head);
+			head->name = prop->name;
+			head->next = iter;
+			iter = head;
+		}
+	}
+	if (prop->left != &sentinel)
+		iter = itwalk(J, iter, prop->left, seen);
+	return iter;
+}
+
+static js_Iterator *itflatten(js_State *J, js_Object *obj)
+{
+	js_Iterator *iter = NULL;
+	if (obj->prototype)
+		iter = itflatten(J, obj->prototype);
+	if (obj->properties != &sentinel)
+		iter = itwalk(J, iter, obj->properties, obj->prototype);
+	return iter;
+}
+
+js_Object *jsV_newiterator(js_State *J, js_Object *obj, int own)
+{
+	char buf[32];
+	int k;
+	js_Object *io = jsV_newobject(J, JS_CITERATOR, NULL);
+	io->u.iter.target = obj;
+	if (own) {
+		io->u.iter.head = NULL;
+		if (obj->properties != &sentinel)
+			io->u.iter.head = itwalk(J, io->u.iter.head, obj->properties, NULL);
+	} else {
+		io->u.iter.head = itflatten(J, obj);
+	}
+	if (obj->type == JS_CSTRING) {
+		js_Iterator *tail = io->u.iter.head;
+		if (tail)
+			while (tail->next)
+				tail = tail->next;
+		for (k = 0; k < obj->u.s.length; ++k) {
+			js_itoa(buf, k);
+			if (!jsV_getenumproperty(J, obj, buf)) {
+				js_Iterator *node = js_malloc(J, sizeof *node);
+				node->name = js_intern(J, js_itoa(buf, k));
+				node->next = NULL;
+				if (!tail)
+					io->u.iter.head = tail = node;
+				else {
+					tail->next = node;
+					tail = node;
+				}
+			}
+		}
+	}
+	return io;
+}
+
+const char *jsV_nextiterator(js_State *J, js_Object *io)
+{
+	int k;
+	if (io->type != JS_CITERATOR)
+		js_typeerror(J, "not an iterator");
+	while (io->u.iter.head) {
+		js_Iterator *next = io->u.iter.head->next;
+		const char *name = io->u.iter.head->name;
+		js_free(J, io->u.iter.head);
+		io->u.iter.head = next;
+		if (jsV_getproperty(J, io->u.iter.target, name))
+			return name;
+		if (io->u.iter.target->type == JS_CSTRING)
+			if (js_isarrayindex(J, name, &k) && k < io->u.iter.target->u.s.length)
+				return name;
+	}
+	return NULL;
+}
+
+/* Walk all the properties and delete them one by one for arrays */
+
+void jsV_resizearray(js_State *J, js_Object *obj, int newlen)
+{
+	char buf[32];
+	const char *s;
+	int k;
+	if (newlen < obj->u.a.length) {
+		if (obj->u.a.length > obj->count * 2) {
+			js_Object *it = jsV_newiterator(J, obj, 1);
+			while ((s = jsV_nextiterator(J, it))) {
+				k = jsV_numbertointeger(jsV_stringtonumber(J, s));
+				if (k >= newlen && !strcmp(s, jsV_numbertostring(J, buf, k)))
+					jsV_delproperty(J, obj, s);
+			}
+		} else {
+			for (k = newlen; k < obj->u.a.length; ++k) {
+				jsV_delproperty(J, obj, js_itoa(buf, k));
+			}
+		}
+	}
+	obj->u.a.length = newlen;
+}

programs/develop/kosjs/libmujs/jsregexp.c

@@ -0,0 +1,205 @@
+#include "jsi.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+#include "regexp.h"
+
+void js_newregexp(js_State *J, const char *pattern, int flags)
+{
+	const char *error;
+	js_Object *obj;
+	Reprog *prog;
+	int opts;
+
+	obj = jsV_newobject(J, JS_CREGEXP, J->RegExp_prototype);
+
+	opts = 0;
+	if (flags & JS_REGEXP_I) opts |= REG_ICASE;
+	if (flags & JS_REGEXP_M) opts |= REG_NEWLINE;
+
+	prog = js_regcompx(J->alloc, J->actx, pattern, opts, &error);
+	if (!prog)
+		js_syntaxerror(J, "regular expression: %s", error);
+
+	obj->u.r.prog = prog;
+	obj->u.r.source = js_strdup(J, pattern);
+	obj->u.r.flags = flags;
+	obj->u.r.last = 0;
+	js_pushobject(J, obj);
+}
+
+void js_RegExp_prototype_exec(js_State *J, js_Regexp *re, const char *text)
+{
+	int result;
+	int i;
+	int opts;
+	Resub m;
+
+	opts = 0;
+	if (re->flags & JS_REGEXP_G) {
+		if (re->last > strlen(text)) {
+			re->last = 0;
+			js_pushnull(J);
+			return;
+		}
+		if (re->last > 0) {
+			text += re->last;
+			opts |= REG_NOTBOL;
+		}
+	}
+
+	result = js_regexec(re->prog, text, &m, opts);
+	if (result < 0)
+		js_error(J, "regexec failed");
+	if (result == 0) {
+		js_newarray(J);
+		js_pushstring(J, text);
+		js_setproperty(J, -2, "input");
+		js_pushnumber(J, js_utfptrtoidx(text, m.sub[0].sp));
+		js_setproperty(J, -2, "index");
+		for (i = 0; i < m.nsub; ++i) {
+			js_pushlstring(J, m.sub[i].sp, m.sub[i].ep - m.sub[i].sp);
+			js_setindex(J, -2, i);
+		}
+		if (re->flags & JS_REGEXP_G)
+			re->last = re->last + (m.sub[0].ep - text);
+		return;
+	}
+
+	if (re->flags & JS_REGEXP_G)
+		re->last = 0;
+
+	js_pushnull(J);
+}
+
+static void Rp_test(js_State *J)
+{
+	js_Regexp *re;
+	const char *text;
+	int result;
+	int opts;
+	Resub m;
+
+	re = js_toregexp(J, 0);
+	text = js_tostring(J, 1);
+
+	opts = 0;
+	if (re->flags & JS_REGEXP_G) {
+		if (re->last > strlen(text)) {
+			re->last = 0;
+			js_pushboolean(J, 0);
+			return;
+		}
+		if (re->last > 0) {
+			text += re->last;
+			opts |= REG_NOTBOL;
+		}
+	}
+
+	result = js_regexec(re->prog, text, &m, opts);
+	if (result < 0)
+		js_error(J, "regexec failed");
+	if (result == 0) {
+		if (re->flags & JS_REGEXP_G)
+			re->last = re->last + (m.sub[0].ep - text);
+		js_pushboolean(J, 1);
+		return;
+	}
+
+	if (re->flags & JS_REGEXP_G)
+		re->last = 0;
+
+	js_pushboolean(J, 0);
+}
+
+static void jsB_new_RegExp(js_State *J)
+{
+	js_Regexp *old;
+	const char *pattern;
+	int flags;
+
+	if (js_isregexp(J, 1)) {
+		if (js_isdefined(J, 2))
+			js_typeerror(J, "cannot supply flags when creating one RegExp from another");
+		old = js_toregexp(J, 1);
+		pattern = old->source;
+		flags = old->flags;
+	} else if (js_isundefined(J, 1)) {
+		pattern = "(?:)";
+		flags = 0;
+	} else {
+		pattern = js_tostring(J, 1);
+		flags = 0;
+	}
+
+	if (strlen(pattern) == 0)
+		pattern = "(?:)";
+
+	if (js_isdefined(J, 2)) {
+		const char *s = js_tostring(J, 2);
+		int g = 0, i = 0, m = 0;
+		while (*s) {
+			if (*s == 'g') ++g;
+			else if (*s == 'i') ++i;
+			else if (*s == 'm') ++m;
+			else js_syntaxerror(J, "invalid regular expression flag: '%c'", *s);
+			++s;
+		}
+		if (g > 1) js_syntaxerror(J, "invalid regular expression flag: 'g'");
+		if (i > 1) js_syntaxerror(J, "invalid regular expression flag: 'i'");
+		if (m > 1) js_syntaxerror(J, "invalid regular expression flag: 'm'");
+		if (g) flags |= JS_REGEXP_G;
+		if (i) flags |= JS_REGEXP_I;
+		if (m) flags |= JS_REGEXP_M;
+	}
+
+	js_newregexp(J, pattern, flags);
+}
+
+static void jsB_RegExp(js_State *J)
+{
+	if (js_isregexp(J, 1))
+		return;
+	jsB_new_RegExp(J);
+}
+
+static void Rp_toString(js_State *J)
+{
+	js_Regexp *re;
+	char *out;
+
+	re = js_toregexp(J, 0);
+
+	out = js_malloc(J, strlen(re->source) + 6); /* extra space for //gim */
+	strcpy(out, "/");
+	strcat(out, re->source);
+	strcat(out, "/");
+	if (re->flags & JS_REGEXP_G) strcat(out, "g");
+	if (re->flags & JS_REGEXP_I) strcat(out, "i");
+	if (re->flags & JS_REGEXP_M) strcat(out, "m");
+
+	if (js_try(J)) {
+		js_free(J, out);
+		js_throw(J);
+	}
+	js_pop(J, 0);
+	js_pushstring(J, out);
+	js_endtry(J);
+	js_free(J, out);
+}
+
+static void Rp_exec(js_State *J)
+{
+	js_RegExp_prototype_exec(J, js_toregexp(J, 0), js_tostring(J, 1));
+}
+
+void jsB_initregexp(js_State *J)
+{
+	js_pushobject(J, J->RegExp_prototype);
+	{
+		jsB_propf(J, "RegExp.prototype.toString", Rp_toString, 0);
+		jsB_propf(J, "RegExp.prototype.test", Rp_test, 0);
+		jsB_propf(J, "RegExp.prototype.exec", Rp_exec, 0);
+	}
+	js_newcconstructor(J, jsB_RegExp, jsB_new_RegExp, "RegExp", 1);
+	js_defglobal(J, "RegExp", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/jsrepr.c

@@ -0,0 +1,289 @@
+#include "jsi.h"
+#include "jslex.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+#include "jscompile.h"
+#include "utf.h"
+
+static void reprvalue(js_State *J, js_Buffer **sb);
+
+static void reprnum(js_State *J, js_Buffer **sb, double n)
+{
+	char buf[40];
+	if (n == 0 && signbit(n))
+		js_puts(J, sb, "-0");
+	else
+		js_puts(J, sb, jsV_numbertostring(J, buf, n));
+}
+
+static void reprstr(js_State *J, js_Buffer **sb, const char *s)
+{
+	static const char *HEX = "0123456789ABCDEF";
+	int i, n;
+	Rune c;
+	js_putc(J, sb, '"');
+	while (*s) {
+		n = chartorune(&c, s);
+		switch (c) {
+		case '"': js_puts(J, sb, "\\\""); break;
+		case '\\': js_puts(J, sb, "\\\\"); break;
+		case '\b': js_puts(J, sb, "\\b"); break;
+		case '\f': js_puts(J, sb, "\\f"); break;
+		case '\n': js_puts(J, sb, "\\n"); break;
+		case '\r': js_puts(J, sb, "\\r"); break;
+		case '\t': js_puts(J, sb, "\\t"); break;
+		default:
+			if (c < ' ') {
+				js_putc(J, sb, '\\');
+				js_putc(J, sb, 'x');
+				js_putc(J, sb, HEX[(c>>4)&15]);
+				js_putc(J, sb, HEX[c&15]);
+			} else if (c < 128) {
+				js_putc(J, sb, c);
+			} else if (c < 0x10000) {
+				js_putc(J, sb, '\\');
+				js_putc(J, sb, 'u');
+				js_putc(J, sb, HEX[(c>>12)&15]);
+				js_putc(J, sb, HEX[(c>>8)&15]);
+				js_putc(J, sb, HEX[(c>>4)&15]);
+				js_putc(J, sb, HEX[c&15]);
+			} else {
+				for (i = 0; i < n; ++i)
+					js_putc(J, sb, s[i]);
+			}
+			break;
+		}
+		s += n;
+	}
+	js_putc(J, sb, '"');
+}
+
+#ifndef isalpha
+#define isalpha(c) ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
+#endif
+#ifndef isdigit
+#define isdigit(c) (c >= '0' && c <= '9')
+#endif
+
+static void reprident(js_State *J, js_Buffer **sb, const char *name)
+{
+	const char *p = name;
+	if (isdigit(*p))
+		while (isdigit(*p))
+			++p;
+	else if (isalpha(*p) || *p == '_')
+		while (isdigit(*p) || isalpha(*p) || *p == '_')
+			++p;
+	if (p > name && *p == 0)
+		js_puts(J, sb, name);
+	else
+		reprstr(J, sb, name);
+}
+
+static void reprobject(js_State *J, js_Buffer **sb)
+{
+	const char *key;
+	int i, n;
+
+	n = js_gettop(J) - 1;
+	for (i = 0; i < n; ++i) {
+		if (js_isobject(J, i)) {
+			if (js_toobject(J, i) == js_toobject(J, -1)) {
+				js_puts(J, sb, "{}");
+				return;
+			}
+		}
+	}
+
+	n = 0;
+	js_putc(J, sb, '{');
+	js_pushiterator(J, -1, 1);
+	while ((key = js_nextiterator(J, -1))) {
+		if (n++ > 0)
+			js_puts(J, sb, ", ");
+		reprident(J, sb, key);
+		js_puts(J, sb, ": ");
+		js_getproperty(J, -2, key);
+		reprvalue(J, sb);
+		js_pop(J, 1);
+	}
+	js_pop(J, 1);
+	js_putc(J, sb, '}');
+}
+
+static void reprarray(js_State *J, js_Buffer **sb)
+{
+	int n, i;
+
+	n = js_gettop(J) - 1;
+	for (i = 0; i < n; ++i) {
+		if (js_isobject(J, i)) {
+			if (js_toobject(J, i) == js_toobject(J, -1)) {
+				js_puts(J, sb, "[]");
+				return;
+			}
+		}
+	}
+
+	js_putc(J, sb, '[');
+	n = js_getlength(J, -1);
+	for (i = 0; i < n; ++i) {
+		if (i > 0)
+			js_puts(J, sb, ", ");
+		if (js_hasindex(J, -1, i)) {
+			reprvalue(J, sb);
+			js_pop(J, 1);
+		}
+	}
+	js_putc(J, sb, ']');
+}
+
+static void reprfun(js_State *J, js_Buffer **sb, js_Function *fun)
+{
+	int i;
+	js_puts(J, sb, "function ");
+	js_puts(J, sb, fun->name);
+	js_putc(J, sb, '(');
+	for (i = 0; i < fun->numparams; ++i) {
+		if (i > 0)
+			js_puts(J, sb, ", ");
+		js_puts(J, sb, fun->vartab[i]);
+	}
+	js_puts(J, sb, ") { [byte code] }");
+}
+
+static void reprvalue(js_State *J, js_Buffer **sb)
+{
+	if (js_isundefined(J, -1))
+		js_puts(J, sb, "undefined");
+	else if (js_isnull(J, -1))
+		js_puts(J, sb, "null");
+	else if (js_isboolean(J, -1))
+		js_puts(J, sb, js_toboolean(J, -1) ? "true" : "false");
+	else if (js_isnumber(J, -1))
+		reprnum(J, sb, js_tonumber(J, -1));
+	else if (js_isstring(J, -1))
+		reprstr(J, sb, js_tostring(J, -1));
+	else if (js_isobject(J, -1)) {
+		js_Object *obj = js_toobject(J, -1);
+		switch (obj->type) {
+		default:
+			reprobject(J, sb);
+			break;
+		case JS_CARRAY:
+			reprarray(J, sb);
+			break;
+		case JS_CFUNCTION:
+		case JS_CSCRIPT:
+		case JS_CEVAL:
+			reprfun(J, sb, obj->u.f.function);
+			break;
+		case JS_CCFUNCTION:
+			js_puts(J, sb, "function ");
+			js_puts(J, sb, obj->u.c.name);
+			js_puts(J, sb, "() { [native code] }");
+			break;
+		case JS_CBOOLEAN:
+			js_puts(J, sb, "(new Boolean(");
+			js_puts(J, sb, obj->u.boolean ? "true" : "false");
+			js_puts(J, sb, "))");
+			break;
+		case JS_CNUMBER:
+			js_puts(J, sb, "(new Number(");
+			reprnum(J, sb, obj->u.number);
+			js_puts(J, sb, "))");
+			break;
+		case JS_CSTRING:
+			js_puts(J, sb, "(new String(");
+			reprstr(J, sb, obj->u.s.string);
+			js_puts(J, sb, "))");
+			break;
+		case JS_CREGEXP:
+			js_putc(J, sb, '/');
+			js_puts(J, sb, obj->u.r.source);
+			js_putc(J, sb, '/');
+			if (obj->u.r.flags & JS_REGEXP_G) js_putc(J, sb, 'g');
+			if (obj->u.r.flags & JS_REGEXP_I) js_putc(J, sb, 'i');
+			if (obj->u.r.flags & JS_REGEXP_M) js_putc(J, sb, 'm');
+			break;
+		case JS_CDATE:
+			{
+				char buf[40];
+				js_puts(J, sb, "(new Date(");
+				js_puts(J, sb, jsV_numbertostring(J, buf, obj->u.number));
+				js_puts(J, sb, "))");
+			}
+			break;
+		case JS_CERROR:
+			js_puts(J, sb, "(new ");
+			js_getproperty(J, -1, "name");
+			js_puts(J, sb, js_tostring(J, -1));
+			js_pop(J, 1);
+			js_putc(J, sb, '(');
+			js_getproperty(J, -1, "message");
+			reprstr(J, sb, js_tostring(J, -1));
+			js_pop(J, 1);
+			js_puts(J, sb, "))");
+			break;
+		case JS_CMATH:
+			js_puts(J, sb, "Math");
+			break;
+		case JS_CJSON:
+			js_puts(J, sb, "JSON");
+			break;
+		case JS_CITERATOR:
+			js_puts(J, sb, "[iterator ");
+			break;
+		case JS_CUSERDATA:
+			js_puts(J, sb, "[userdata ");
+			js_puts(J, sb, obj->u.user.tag);
+			js_putc(J, sb, ']');
+			break;
+		}
+	}
+}
+
+void js_repr(js_State *J, int idx)
+{
+	js_Buffer *sb = NULL;
+	int savebot;
+
+	if (js_try(J)) {
+		js_free(J, sb);
+		js_throw(J);
+	}
+
+	js_copy(J, idx);
+
+	savebot = J->bot;
+	J->bot = J->top - 1;
+	reprvalue(J, &sb);
+	J->bot = savebot;
+
+	js_pop(J, 1);
+
+	js_putc(J, &sb, 0);
+	js_pushstring(J, sb ? sb->s : "undefined");
+
+	js_endtry(J);
+	js_free(J, sb);
+}
+
+const char *js_torepr(js_State *J, int idx)
+{
+	js_repr(J, idx);
+	js_replace(J, idx < 0 ? idx-1 : idx);
+	return js_tostring(J, idx);
+}
+
+const char *js_tryrepr(js_State *J, int idx, const char *error)
+{
+	const char *s;
+	if (js_try(J)) {
+		js_pop(J, 1);
+		return error;
+	}
+	s = js_torepr(J, idx);
+	js_endtry(J);
+	return s;
+}

programs/develop/kosjs/libmujs/jsstate.c

@@ -0,0 +1,298 @@
+#include "jsi.h"
+#include "jsparse.h"
+#include "jscompile.h"
+#include "jsvalue.h"
+#include "jsrun.h"
+#include "jsbuiltin.h"
+
+#include <assert.h>
+#include <errno.h>
+
+static void *js_defaultalloc(void *actx, void *ptr, int size)
+{
+#ifndef __has_feature
+#define __has_feature(x) 0
+#endif
+#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
+	if (size == 0) {
+		free(ptr);
+		return NULL;
+	}
+#endif
+	return realloc(ptr, (size_t)size);
+}
+
+static void js_defaultreport(js_State *J, const char *message)
+{
+	fputs(message, stderr);
+	fputc('\n', stderr);
+}
+
+static void js_defaultpanic(js_State *J)
+{
+	js_report(J, "uncaught exception");
+	/* return to javascript to abort */
+}
+
+int js_ploadstring(js_State *J, const char *filename, const char *source)
+{
+	if (js_try(J))
+		return 1;
+	js_loadstring(J, filename, source);
+	js_endtry(J);
+	return 0;
+}
+
+int js_ploadfile(js_State *J, const char *filename)
+{
+	if (js_try(J))
+		return 1;
+	js_loadfile(J, filename);
+	js_endtry(J);
+	return 0;
+}
+
+const char *js_trystring(js_State *J, int idx, const char *error)
+{
+	const char *s;
+	if (js_try(J)) {
+		js_pop(J, 1);
+		return error;
+	}
+	s = js_tostring(J, idx);
+	js_endtry(J);
+	return s;
+}
+
+double js_trynumber(js_State *J, int idx, double error)
+{
+	double v;
+	if (js_try(J)) {
+		js_pop(J, 1);
+		return error;
+	}
+	v = js_tonumber(J, idx);
+	js_endtry(J);
+	return v;
+}
+
+int js_tryinteger(js_State *J, int idx, int error)
+{
+	int v;
+	if (js_try(J)) {
+		js_pop(J, 1);
+		return error;
+	}
+	v = js_tointeger(J, idx);
+	js_endtry(J);
+	return v;
+}
+
+int js_tryboolean(js_State *J, int idx, int error)
+{
+	int v;
+	if (js_try(J)) {
+		js_pop(J, 1);
+		return error;
+	}
+	v = js_toboolean(J, idx);
+	js_endtry(J);
+	return v;
+}
+
+static void js_loadstringx(js_State *J, const char *filename, const char *source, int iseval)
+{
+	js_Ast *P;
+	js_Function *F;
+
+	if (js_try(J)) {
+		jsP_freeparse(J);
+		js_throw(J);
+	}
+
+	P = jsP_parse(J, filename, source);
+	F = jsC_compilescript(J, P, iseval ? J->strict : J->default_strict);
+	jsP_freeparse(J);
+	js_newscript(J, F, iseval ? (J->strict ? J->E : NULL) : J->GE, iseval ? JS_CEVAL : JS_CSCRIPT);
+
+	js_endtry(J);
+}
+
+void js_loadeval(js_State *J, const char *filename, const char *source)
+{
+	js_loadstringx(J, filename, source, 1);
+}
+
+void js_loadstring(js_State *J, const char *filename, const char *source)
+{
+	js_loadstringx(J, filename, source, 0);
+}
+
+void js_loadfile(js_State *J, const char *filename)
+{
+	FILE *f;
+	char *s, *p;
+	int n, t;
+
+	f = fopen(filename, "rb");
+	if (!f) {
+		js_error(J, "cannot open file '%s': %s", filename, strerror(errno));
+	}
+
+	if (fseek(f, 0, SEEK_END) < 0) {
+		fclose(f);
+		js_error(J, "cannot seek in file '%s': %s", filename, strerror(errno));
+	}
+
+	n = ftell(f);
+	if (n < 0) {
+		fclose(f);
+		js_error(J, "cannot tell in file '%s': %s", filename, strerror(errno));
+	}
+
+	if (fseek(f, 0, SEEK_SET) < 0) {
+		fclose(f);
+		js_error(J, "cannot seek in file '%s': %s", filename, strerror(errno));
+	}
+
+	if (js_try(J)) {
+		fclose(f);
+		js_throw(J);
+	}
+	s = js_malloc(J, n + 1); /* add space for string terminator */
+	js_endtry(J);
+
+	t = fread(s, 1, (size_t)n, f);
+	if (t != n) {
+		js_free(J, s);
+		fclose(f);
+		js_error(J, "cannot read data from file '%s': %s", filename, strerror(errno));
+	}
+
+	s[n] = 0; /* zero-terminate string containing file data */
+
+	if (js_try(J)) {
+		js_free(J, s);
+		fclose(f);
+		js_throw(J);
+	}
+
+	/* skip first line if it starts with "#!" */
+	p = s;
+	if (p[0] == '#' && p[1] == '!') {
+		p += 2;
+		while (*p && *p != '\n')
+			++p;
+	}
+
+	js_loadstring(J, filename, p);
+
+	js_free(J, s);
+	fclose(f);
+	js_endtry(J);
+}
+
+int js_dostring(js_State *J, const char *source)
+{
+	if (js_try(J)) {
+		js_report(J, js_trystring(J, -1, "Error"));
+		js_pop(J, 1);
+		return 1;
+	}
+	js_loadstring(J, "[string]", source);
+	js_pushundefined(J);
+	js_call(J, 0);
+	js_pop(J, 1);
+	js_endtry(J);
+	return 0;
+}
+
+int js_dofile(js_State *J, const char *filename)
+{
+	if (js_try(J)) {
+		js_report(J, js_trystring(J, -1, "Error"));
+		js_pop(J, 1);
+		return 1;
+	}
+	js_loadfile(J, filename);
+	js_pushundefined(J);
+	js_call(J, 0);
+	js_pop(J, 1);
+	js_endtry(J);
+	return 0;
+}
+
+js_Panic js_atpanic(js_State *J, js_Panic panic)
+{
+	js_Panic old = J->panic;
+	J->panic = panic;
+	return old;
+}
+
+void js_report(js_State *J, const char *message)
+{
+	if (J->report)
+		J->report(J, message);
+}
+
+void js_setreport(js_State *J, js_Report report)
+{
+	J->report = report;
+}
+
+void js_setcontext(js_State *J, void *uctx)
+{
+	J->uctx = uctx;
+}
+
+void *js_getcontext(js_State *J)
+{
+	return J->uctx;
+}
+
+js_State *js_newstate(js_Alloc alloc, void *actx, int flags)
+{
+	js_State *J;
+
+	assert(sizeof(js_Value) == 16);
+	assert(soffsetof(js_Value, type) == 15);
+
+	if (!alloc)
+		alloc = js_defaultalloc;
+
+	J = alloc(actx, NULL, sizeof *J);
+	if (!J)
+		return NULL;
+	memset(J, 0, sizeof(*J));
+	J->actx = actx;
+	J->alloc = alloc;
+
+	if (flags & JS_STRICT)
+		J->strict = J->default_strict = 1;
+
+	J->trace[0].name = "-top-";
+	J->trace[0].file = "native";
+	J->trace[0].line = 0;
+
+	J->report = js_defaultreport;
+	J->panic = js_defaultpanic;
+
+	J->stack = alloc(actx, NULL, JS_STACKSIZE * sizeof *J->stack);
+	if (!J->stack) {
+		alloc(actx, NULL, 0);
+		return NULL;
+	}
+
+	J->gcmark = 1;
+	J->nextref = 0;
+	J->gcthresh = 0; /* reaches stability within ~ 2-5 GC cycles */
+
+	J->R = jsV_newobject(J, JS_COBJECT, NULL);
+	J->G = jsV_newobject(J, JS_COBJECT, NULL);
+	J->E = jsR_newenvironment(J, J->G, NULL);
+	J->GE = J->E;
+
+	jsB_init(J);
+
+	return J;
+}

programs/develop/kosjs/libmujs/jsstring.c

@@ -0,0 +1,711 @@
+#include "jsi.h"
+#include "jsvalue.h"
+#include "jsbuiltin.h"
+#include "utf.h"
+#include "regexp.h"
+
+static int js_doregexec(js_State *J, Reprog *prog, const char *string, Resub *sub, int eflags)
+{
+	int result = js_regexec(prog, string, sub, eflags);
+	if (result < 0)
+		js_error(J, "regexec failed");
+	return result;
+}
+
+static const char *checkstring(js_State *J, int idx)
+{
+	if (!js_iscoercible(J, idx))
+		js_typeerror(J, "string function called on null or undefined");
+	return js_tostring(J, idx);
+}
+
+int js_runeat(js_State *J, const char *s, int i)
+{
+	Rune rune = EOF;
+	while (i-- >= 0) {
+		rune = *(unsigned char*)s;
+		if (rune < Runeself) {
+			if (rune == 0)
+				return EOF;
+			++s;
+		} else
+			s += chartorune(&rune, s);
+	}
+	return rune;
+}
+
+const char *js_utfidxtoptr(const char *s, int i)
+{
+	Rune rune;
+	while (i-- > 0) {
+		rune = *(unsigned char*)s;
+		if (rune < Runeself) {
+			if (rune == 0)
+				return NULL;
+			++s;
+		} else
+			s += chartorune(&rune, s);
+	}
+	return s;
+}
+
+int js_utfptrtoidx(const char *s, const char *p)
+{
+	Rune rune;
+	int i = 0;
+	while (s < p) {
+		if (*(unsigned char *)s < Runeself)
+			++s;
+		else
+			s += chartorune(&rune, s);
+		++i;
+	}
+	return i;
+}
+
+static void jsB_new_String(js_State *J)
+{
+	js_newstring(J, js_gettop(J) > 1 ? js_tostring(J, 1) : "");
+}
+
+static void jsB_String(js_State *J)
+{
+	js_pushstring(J, js_gettop(J) > 1 ? js_tostring(J, 1) : "");
+}
+
+static void Sp_toString(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	if (self->type != JS_CSTRING) js_typeerror(J, "not a string");
+	js_pushliteral(J, self->u.s.string);
+}
+
+static void Sp_valueOf(js_State *J)
+{
+	js_Object *self = js_toobject(J, 0);
+	if (self->type != JS_CSTRING) js_typeerror(J, "not a string");
+	js_pushliteral(J, self->u.s.string);
+}
+
+static void Sp_charAt(js_State *J)
+{
+	char buf[UTFmax + 1];
+	const char *s = checkstring(J, 0);
+	int pos = js_tointeger(J, 1);
+	Rune rune = js_runeat(J, s, pos);
+	if (rune >= 0) {
+		buf[runetochar(buf, &rune)] = 0;
+		js_pushstring(J, buf);
+	} else {
+		js_pushliteral(J, "");
+	}
+}
+
+static void Sp_charCodeAt(js_State *J)
+{
+	const char *s = checkstring(J, 0);
+	int pos = js_tointeger(J, 1);
+	Rune rune = js_runeat(J, s, pos);
+	if (rune >= 0)
+		js_pushnumber(J, rune);
+	else
+		js_pushnumber(J, NAN);
+}
+
+static void Sp_concat(js_State *J)
+{
+	int i, top = js_gettop(J);
+	int n;
+	char * volatile out;
+	const char *s;
+
+	if (top == 1)
+		return;
+
+	s = checkstring(J, 0);
+	n = strlen(s);
+	out = js_malloc(J, n + 1);
+	strcpy(out, s);
+
+	if (js_try(J)) {
+		js_free(J, out);
+		js_throw(J);
+	}
+
+	for (i = 1; i < top; ++i) {
+		s = js_tostring(J, i);
+		n += strlen(s);
+		out = js_realloc(J, out, n + 1);
+		strcat(out, s);
+	}
+
+	js_pushstring(J, out);
+	js_endtry(J);
+	js_free(J, out);
+}
+
+static void Sp_indexOf(js_State *J)
+{
+	const char *haystack = checkstring(J, 0);
+	const char *needle = js_tostring(J, 1);
+	int pos = js_tointeger(J, 2);
+	int len = strlen(needle);
+	int k = 0;
+	Rune rune;
+	while (*haystack) {
+		if (k >= pos && !strncmp(haystack, needle, len)) {
+			js_pushnumber(J, k);
+			return;
+		}
+		haystack += chartorune(&rune, haystack);
+		++k;
+	}
+	js_pushnumber(J, -1);
+}
+
+static void Sp_lastIndexOf(js_State *J)
+{
+	const char *haystack = checkstring(J, 0);
+	const char *needle = js_tostring(J, 1);
+	int pos = js_isdefined(J, 2) ? js_tointeger(J, 2) : (int)strlen(haystack);
+	int len = strlen(needle);
+	int k = 0, last = -1;
+	Rune rune;
+	while (*haystack && k <= pos) {
+		if (!strncmp(haystack, needle, len))
+			last = k;
+		haystack += chartorune(&rune, haystack);
+		++k;
+	}
+	js_pushnumber(J, last);
+}
+
+static void Sp_localeCompare(js_State *J)
+{
+	const char *a = checkstring(J, 0);
+	const char *b = js_tostring(J, 1);
+	js_pushnumber(J, strcmp(a, b));
+}
+
+static void Sp_slice(js_State *J)
+{
+	const char *str = checkstring(J, 0);
+	const char *ss, *ee;
+	int len = utflen(str);
+	int s = js_tointeger(J, 1);
+	int e = js_isdefined(J, 2) ? js_tointeger(J, 2) : len;
+
+	s = s < 0 ? s + len : s;
+	e = e < 0 ? e + len : e;
+
+	s = s < 0 ? 0 : s > len ? len : s;
+	e = e < 0 ? 0 : e > len ? len : e;
+
+	if (s < e) {
+		ss = js_utfidxtoptr(str, s);
+		ee = js_utfidxtoptr(ss, e - s);
+	} else {
+		ss = js_utfidxtoptr(str, e);
+		ee = js_utfidxtoptr(ss, s - e);
+	}
+
+	js_pushlstring(J, ss, ee - ss);
+}
+
+static void Sp_substring(js_State *J)
+{
+	const char *str = checkstring(J, 0);
+	const char *ss, *ee;
+	int len = utflen(str);
+	int s = js_tointeger(J, 1);
+	int e = js_isdefined(J, 2) ? js_tointeger(J, 2) : len;
+
+	s = s < 0 ? 0 : s > len ? len : s;
+	e = e < 0 ? 0 : e > len ? len : e;
+
+	if (s < e) {
+		ss = js_utfidxtoptr(str, s);
+		ee = js_utfidxtoptr(ss, e - s);
+	} else {
+		ss = js_utfidxtoptr(str, e);
+		ee = js_utfidxtoptr(ss, s - e);
+	}
+
+	js_pushlstring(J, ss, ee - ss);
+}
+
+static void Sp_toLowerCase(js_State *J)
+{
+	const char *src = checkstring(J, 0);
+	char *dst = js_malloc(J, UTFmax * strlen(src) + 1);
+	const char *s = src;
+	char *d = dst;
+	Rune rune;
+	while (*s) {
+		s += chartorune(&rune, s);
+		rune = tolowerrune(rune);
+		d += runetochar(d, &rune);
+	}
+	*d = 0;
+	if (js_try(J)) {
+		js_free(J, dst);
+		js_throw(J);
+	}
+	js_pushstring(J, dst);
+	js_endtry(J);
+	js_free(J, dst);
+}
+
+static void Sp_toUpperCase(js_State *J)
+{
+	const char *src = checkstring(J, 0);
+	char *dst = js_malloc(J, UTFmax * strlen(src) + 1);
+	const char *s = src;
+	char *d = dst;
+	Rune rune;
+	while (*s) {
+		s += chartorune(&rune, s);
+		rune = toupperrune(rune);
+		d += runetochar(d, &rune);
+	}
+	*d = 0;
+	if (js_try(J)) {
+		js_free(J, dst);
+		js_throw(J);
+	}
+	js_pushstring(J, dst);
+	js_endtry(J);
+	js_free(J, dst);
+}
+
+static int istrim(int c)
+{
+	return c == 0x9 || c == 0xB || c == 0xC || c == 0x20 || c == 0xA0 || c == 0xFEFF ||
+		c == 0xA || c == 0xD || c == 0x2028 || c == 0x2029;
+}
+
+static void Sp_trim(js_State *J)
+{
+	const char *s, *e;
+	s = checkstring(J, 0);
+	while (istrim(*s))
+		++s;
+	e = s + strlen(s);
+	while (e > s && istrim(e[-1]))
+		--e;
+	js_pushlstring(J, s, e - s);
+}
+
+static void S_fromCharCode(js_State *J)
+{
+	int i, top = js_gettop(J);
+	Rune c;
+	char *s, *p;
+
+	s = p = js_malloc(J, (top-1) * UTFmax + 1);
+
+	if (js_try(J)) {
+		js_free(J, s);
+		js_throw(J);
+	}
+
+	for (i = 1; i < top; ++i) {
+		c = js_touint32(J, i);
+		p += runetochar(p, &c);
+	}
+	*p = 0;
+	js_pushstring(J, s);
+
+	js_endtry(J);
+	js_free(J, s);
+}
+
+static void Sp_match(js_State *J)
+{
+	js_Regexp *re;
+	const char *text;
+	int len;
+	const char *a, *b, *c, *e;
+	Resub m;
+
+	text = checkstring(J, 0);
+
+	if (js_isregexp(J, 1))
+		js_copy(J, 1);
+	else if (js_isundefined(J, 1))
+		js_newregexp(J, "", 0);
+	else
+		js_newregexp(J, js_tostring(J, 1), 0);
+
+	re = js_toregexp(J, -1);
+	if (!(re->flags & JS_REGEXP_G)) {
+		js_RegExp_prototype_exec(J, re, text);
+		return;
+	}
+
+	re->last = 0;
+
+	js_newarray(J);
+
+	len = 0;
+	a = text;
+	e = text + strlen(text);
+	while (a <= e) {
+		if (js_doregexec(J, re->prog, a, &m, a > text ? REG_NOTBOL : 0))
+			break;
+
+		b = m.sub[0].sp;
+		c = m.sub[0].ep;
+
+		js_pushlstring(J, b, c - b);
+		js_setindex(J, -2, len++);
+
+		a = c;
+		if (c - b == 0)
+			++a;
+	}
+
+	if (len == 0) {
+		js_pop(J, 1);
+		js_pushnull(J);
+	}
+}
+
+static void Sp_search(js_State *J)
+{
+	js_Regexp *re;
+	const char *text;
+	Resub m;
+
+	text = checkstring(J, 0);
+
+	if (js_isregexp(J, 1))
+		js_copy(J, 1);
+	else if (js_isundefined(J, 1))
+		js_newregexp(J, "", 0);
+	else
+		js_newregexp(J, js_tostring(J, 1), 0);
+
+	re = js_toregexp(J, -1);
+
+	if (!js_doregexec(J, re->prog, text, &m, 0))
+		js_pushnumber(J, js_utfptrtoidx(text, m.sub[0].sp));
+	else
+		js_pushnumber(J, -1);
+}
+
+static void Sp_replace_regexp(js_State *J)
+{
+	js_Regexp *re;
+	const char *source, *s, *r;
+	js_Buffer *sb = NULL;
+	int n, x;
+	Resub m;
+
+	source = checkstring(J, 0);
+	re = js_toregexp(J, 1);
+
+	if (js_doregexec(J, re->prog, source, &m, 0)) {
+		js_copy(J, 0);
+		return;
+	}
+
+	re->last = 0;
+
+loop:
+	s = m.sub[0].sp;
+	n = m.sub[0].ep - m.sub[0].sp;
+
+	if (js_iscallable(J, 2)) {
+		js_copy(J, 2);
+		js_pushundefined(J);
+		for (x = 0; m.sub[x].sp; ++x) /* arg 0..x: substring and subexps that matched */
+			js_pushlstring(J, m.sub[x].sp, m.sub[x].ep - m.sub[x].sp);
+		js_pushnumber(J, s - source); /* arg x+2: offset within search string */
+		js_copy(J, 0); /* arg x+3: search string */
+		js_call(J, 2 + x);
+		r = js_tostring(J, -1);
+		js_putm(J, &sb, source, s);
+		js_puts(J, &sb, r);
+		js_pop(J, 1);
+	} else {
+		r = js_tostring(J, 2);
+		js_putm(J, &sb, source, s);
+		while (*r) {
+			if (*r == '$') {
+				switch (*(++r)) {
+				case 0: --r; /* end of string; back up */
+				/* fallthrough */
+				case '$': js_putc(J, &sb, '$'); break;
+				case '`': js_putm(J, &sb, source, s); break;
+				case '\'': js_puts(J, &sb, s + n); break;
+				case '&':
+					js_putm(J, &sb, s, s + n);
+					break;
+				case '0': case '1': case '2': case '3': case '4':
+				case '5': case '6': case '7': case '8': case '9':
+					x = *r - '0';
+					if (r[1] >= '0' && r[1] <= '9')
+						x = x * 10 + *(++r) - '0';
+					if (x > 0 && x < m.nsub) {
+						js_putm(J, &sb, m.sub[x].sp, m.sub[x].ep);
+					} else {
+						js_putc(J, &sb, '$');
+						if (x > 10) {
+							js_putc(J, &sb, '0' + x / 10);
+							js_putc(J, &sb, '0' + x % 10);
+						} else {
+							js_putc(J, &sb, '0' + x);
+						}
+					}
+					break;
+				default:
+					js_putc(J, &sb, '$');
+					js_putc(J, &sb, *r);
+					break;
+				}
+				++r;
+			} else {
+				js_putc(J, &sb, *r++);
+			}
+		}
+	}
+
+	if (re->flags & JS_REGEXP_G) {
+		source = m.sub[0].ep;
+		if (n == 0) {
+			if (*source)
+				js_putc(J, &sb, *source++);
+			else
+				goto end;
+		}
+		if (!js_doregexec(J, re->prog, source, &m, REG_NOTBOL))
+			goto loop;
+	}
+
+end:
+	js_puts(J, &sb, s + n);
+	js_putc(J, &sb, 0);
+
+	if (js_try(J)) {
+		js_free(J, sb);
+		js_throw(J);
+	}
+	js_pushstring(J, sb ? sb->s : "");
+	js_endtry(J);
+	js_free(J, sb);
+}
+
+static void Sp_replace_string(js_State *J)
+{
+	const char *source, *needle, *s, *r;
+	js_Buffer *sb = NULL;
+	int n;
+
+	source = checkstring(J, 0);
+	needle = js_tostring(J, 1);
+
+	s = strstr(source, needle);
+	if (!s) {
+		js_copy(J, 0);
+		return;
+	}
+	n = strlen(needle);
+
+	if (js_iscallable(J, 2)) {
+		js_copy(J, 2);
+		js_pushundefined(J);
+		js_pushlstring(J, s, n); /* arg 1: substring that matched */
+		js_pushnumber(J, s - source); /* arg 2: offset within search string */
+		js_copy(J, 0); /* arg 3: search string */
+		js_call(J, 3);
+		r = js_tostring(J, -1);
+		js_putm(J, &sb, source, s);
+		js_puts(J, &sb, r);
+		js_puts(J, &sb, s + n);
+		js_putc(J, &sb, 0);
+		js_pop(J, 1);
+	} else {
+		r = js_tostring(J, 2);
+		js_putm(J, &sb, source, s);
+		while (*r) {
+			if (*r == '$') {
+				switch (*(++r)) {
+				case 0: --r; /* end of string; back up */
+				/* fallthrough */
+				case '$': js_putc(J, &sb, '$'); break;
+				case '&': js_putm(J, &sb, s, s + n); break;
+				case '`': js_putm(J, &sb, source, s); break;
+				case '\'': js_puts(J, &sb, s + n); break;
+				default: js_putc(J, &sb, '$'); js_putc(J, &sb, *r); break;
+				}
+				++r;
+			} else {
+				js_putc(J, &sb, *r++);
+			}
+		}
+		js_puts(J, &sb, s + n);
+		js_putc(J, &sb, 0);
+	}
+
+	if (js_try(J)) {
+		js_free(J, sb);
+		js_throw(J);
+	}
+	js_pushstring(J, sb ? sb->s : "");
+	js_endtry(J);
+	js_free(J, sb);
+}
+
+static void Sp_replace(js_State *J)
+{
+	if (js_isregexp(J, 1))
+		Sp_replace_regexp(J);
+	else
+		Sp_replace_string(J);
+}
+
+static void Sp_split_regexp(js_State *J)
+{
+	js_Regexp *re;
+	const char *text;
+	int limit, len, k;
+	const char *p, *a, *b, *c, *e;
+	Resub m;
+
+	text = checkstring(J, 0);
+	re = js_toregexp(J, 1);
+	limit = js_isdefined(J, 2) ? js_tointeger(J, 2) : 1 << 30;
+
+	js_newarray(J);
+	len = 0;
+
+	e = text + strlen(text);
+
+	/* splitting the empty string */
+	if (e == text) {
+		if (js_doregexec(J, re->prog, text, &m, 0)) {
+			if (len == limit) return;
+			js_pushliteral(J, "");
+			js_setindex(J, -2, 0);
+		}
+		return;
+	}
+
+	p = a = text;
+	while (a < e) {
+		if (js_doregexec(J, re->prog, a, &m, a > text ? REG_NOTBOL : 0))
+			break; /* no match */
+
+		b = m.sub[0].sp;
+		c = m.sub[0].ep;
+
+		/* empty string at end of last match */
+		if (b == p) {
+			++a;
+			continue;
+		}
+
+		if (len == limit) return;
+		js_pushlstring(J, p, b - p);
+		js_setindex(J, -2, len++);
+
+		for (k = 1; k < m.nsub; ++k) {
+			if (len == limit) return;
+			js_pushlstring(J, m.sub[k].sp, m.sub[k].ep - m.sub[k].sp);
+			js_setindex(J, -2, len++);
+		}
+
+		a = p = c;
+	}
+
+	if (len == limit) return;
+	js_pushstring(J, p);
+	js_setindex(J, -2, len);
+}
+
+static void Sp_split_string(js_State *J)
+{
+	const char *str = checkstring(J, 0);
+	const char *sep = js_tostring(J, 1);
+	int limit = js_isdefined(J, 2) ? js_tointeger(J, 2) : 1 << 30;
+	int i, n;
+
+	js_newarray(J);
+
+	n = strlen(sep);
+
+	/* empty string */
+	if (n == 0) {
+		Rune rune;
+		for (i = 0; *str && i < limit; ++i) {
+			n = chartorune(&rune, str);
+			js_pushlstring(J, str, n);
+			js_setindex(J, -2, i);
+			str += n;
+		}
+		return;
+	}
+
+	for (i = 0; str && i < limit; ++i) {
+		const char *s = strstr(str, sep);
+		if (s) {
+			js_pushlstring(J, str, s-str);
+			js_setindex(J, -2, i);
+			str = s + n;
+		} else {
+			js_pushstring(J, str);
+			js_setindex(J, -2, i);
+			str = NULL;
+		}
+	}
+}
+
+static void Sp_split(js_State *J)
+{
+	if (js_isundefined(J, 1)) {
+		js_newarray(J);
+		js_copy(J, 0);
+		js_setindex(J, -2, 0);
+	} else if (js_isregexp(J, 1)) {
+		Sp_split_regexp(J);
+	} else {
+		Sp_split_string(J);
+	}
+}
+
+void jsB_initstring(js_State *J)
+{
+	J->String_prototype->u.s.string = "";
+	J->String_prototype->u.s.length = 0;
+
+	js_pushobject(J, J->String_prototype);
+	{
+		jsB_propf(J, "String.prototype.toString", Sp_toString, 0);
+		jsB_propf(J, "String.prototype.valueOf", Sp_valueOf, 0);
+		jsB_propf(J, "String.prototype.charAt", Sp_charAt, 1);
+		jsB_propf(J, "String.prototype.charCodeAt", Sp_charCodeAt, 1);
+		jsB_propf(J, "String.prototype.concat", Sp_concat, 0); /* 1 */
+		jsB_propf(J, "String.prototype.indexOf", Sp_indexOf, 1);
+		jsB_propf(J, "String.prototype.lastIndexOf", Sp_lastIndexOf, 1);
+		jsB_propf(J, "String.prototype.localeCompare", Sp_localeCompare, 1);
+		jsB_propf(J, "String.prototype.match", Sp_match, 1);
+		jsB_propf(J, "String.prototype.replace", Sp_replace, 2);
+		jsB_propf(J, "String.prototype.search", Sp_search, 1);
+		jsB_propf(J, "String.prototype.slice", Sp_slice, 2);
+		jsB_propf(J, "String.prototype.split", Sp_split, 2);
+		jsB_propf(J, "String.prototype.substring", Sp_substring, 2);
+		jsB_propf(J, "String.prototype.toLowerCase", Sp_toLowerCase, 0);
+		jsB_propf(J, "String.prototype.toLocaleLowerCase", Sp_toLowerCase, 0);
+		jsB_propf(J, "String.prototype.toUpperCase", Sp_toUpperCase, 0);
+		jsB_propf(J, "String.prototype.toLocaleUpperCase", Sp_toUpperCase, 0);
+
+		/* ES5 */
+		jsB_propf(J, "String.prototype.trim", Sp_trim, 0);
+	}
+	js_newcconstructor(J, jsB_String, jsB_new_String, "String", 0); /* 1 */
+	{
+		jsB_propf(J, "String.fromCharCode", S_fromCharCode, 0); /* 1 */
+	}
+	js_defglobal(J, "String", JS_DONTENUM);
+}

programs/develop/kosjs/libmujs/jsvalue.c

@@ -0,0 +1,630 @@
+#include "jsi.h"
+#include "jslex.h"
+#include "jscompile.h"
+#include "jsvalue.h"
+#include "utf.h"
+
+#define JSV_ISSTRING(v) (v->type==JS_TSHRSTR || v->type==JS_TMEMSTR || v->type==JS_TLITSTR)
+#define JSV_TOSTRING(v) (v->type==JS_TSHRSTR ? v->u.shrstr : v->type==JS_TLITSTR ? v->u.litstr : v->type==JS_TMEMSTR ? v->u.memstr->p : "")
+
+int jsV_numbertointeger(double n)
+{
+	if (n == 0) return 0;
+	if (isnan(n)) return 0;
+	n = (n < 0) ? -floor(-n) : floor(n);
+	if (n < INT_MIN) return INT_MIN;
+	if (n > INT_MAX) return INT_MAX;
+	return (int)n;
+}
+
+int jsV_numbertoint32(double n)
+{
+	double two32 = 4294967296.0;
+	double two31 = 2147483648.0;
+
+	if (!isfinite(n) || n == 0)
+		return 0;
+
+	n = fmod(n, two32);
+	n = n >= 0 ? floor(n) : ceil(n) + two32;
+	if (n >= two31)
+		return n - two32;
+	else
+		return n;
+}
+
+unsigned int jsV_numbertouint32(double n)
+{
+	return (unsigned int)jsV_numbertoint32(n);
+}
+
+short jsV_numbertoint16(double n)
+{
+	return jsV_numbertoint32(n);
+}
+
+unsigned short jsV_numbertouint16(double n)
+{
+	return jsV_numbertoint32(n);
+}
+
+/* obj.toString() */
+static int jsV_toString(js_State *J, js_Object *obj)
+{
+	js_pushobject(J, obj);
+	js_getproperty(J, -1, "toString");
+	if (js_iscallable(J, -1)) {
+		js_rot2(J);
+		js_call(J, 0);
+		if (js_isprimitive(J, -1))
+			return 1;
+		js_pop(J, 1);
+		return 0;
+	}
+	js_pop(J, 2);
+	return 0;
+}
+
+/* obj.valueOf() */
+static int jsV_valueOf(js_State *J, js_Object *obj)
+{
+	js_pushobject(J, obj);
+	js_getproperty(J, -1, "valueOf");
+	if (js_iscallable(J, -1)) {
+		js_rot2(J);
+		js_call(J, 0);
+		if (js_isprimitive(J, -1))
+			return 1;
+		js_pop(J, 1);
+		return 0;
+	}
+	js_pop(J, 2);
+	return 0;
+}
+
+/* ToPrimitive() on a value */
+void jsV_toprimitive(js_State *J, js_Value *v, int preferred)
+{
+	js_Object *obj;
+
+	if (v->type != JS_TOBJECT)
+		return;
+
+	obj = v->u.object;
+
+	if (preferred == JS_HNONE)
+		preferred = obj->type == JS_CDATE ? JS_HSTRING : JS_HNUMBER;
+
+	if (preferred == JS_HSTRING) {
+		if (jsV_toString(J, obj) || jsV_valueOf(J, obj)) {
+			*v = *js_tovalue(J, -1);
+			js_pop(J, 1);
+			return;
+		}
+	} else {
+		if (jsV_valueOf(J, obj) || jsV_toString(J, obj)) {
+			*v = *js_tovalue(J, -1);
+			js_pop(J, 1);
+			return;
+		}
+	}
+
+	if (J->strict)
+		js_typeerror(J, "cannot convert object to primitive");
+
+	v->type = JS_TLITSTR;
+	v->u.litstr = "[object]";
+	return;
+}
+
+/* ToBoolean() on a value */
+int jsV_toboolean(js_State *J, js_Value *v)
+{
+	switch (v->type) {
+	default:
+	case JS_TSHRSTR: return v->u.shrstr[0] != 0;
+	case JS_TUNDEFINED: return 0;
+	case JS_TNULL: return 0;
+	case JS_TBOOLEAN: return v->u.boolean;
+	case JS_TNUMBER: return v->u.number != 0 && !isnan(v->u.number);
+	case JS_TLITSTR: return v->u.litstr[0] != 0;
+	case JS_TMEMSTR: return v->u.memstr->p[0] != 0;
+	case JS_TOBJECT: return 1;
+	}
+}
+
+const char *js_itoa(char *out, int v)
+{
+	char buf[32], *s = out;
+	unsigned int a;
+	int i = 0;
+	if (v < 0) {
+		a = -v;
+		*s++ = '-';
+	} else {
+		a = v;
+	}
+	while (a) {
+		buf[i++] = (a % 10) + '0';
+		a /= 10;
+	}
+	if (i == 0)
+		buf[i++] = '0';
+	while (i > 0)
+		*s++ = buf[--i];
+	*s = 0;
+	return out;
+}
+
+double js_stringtofloat(const char *s, char **ep)
+{
+	char *end;
+	double n;
+	const char *e = s;
+	int isflt = 0;
+	if (*e == '+' || *e == '-') ++e;
+	while (*e >= '0' && *e <= '9') ++e;
+	if (*e == '.') { ++e; isflt = 1; }
+	while (*e >= '0' && *e <= '9') ++e;
+	if (*e == 'e' || *e == 'E') {
+		++e;
+		if (*e == '+' || *e == '-') ++e;
+		while (*e >= '0' && *e <= '9') ++e;
+		isflt = 1;
+	}
+	if (isflt || e - s > 9)
+		n = js_strtod(s, &end);
+	else
+		n = strtol(s, &end, 10);
+	if (end == e) {
+		*ep = (char*)e;
+		return n;
+	}
+	*ep = (char*)s;
+	return 0;
+}
+
+/* ToNumber() on a string */
+double jsV_stringtonumber(js_State *J, const char *s)
+{
+	char *e;
+	double n;
+	while (jsY_iswhite(*s) || jsY_isnewline(*s)) ++s;
+	if (s[0] == '0' && (s[1] == 'x' || s[1] == 'X') && s[2] != 0)
+		n = strtol(s + 2, &e, 16);
+	else if (!strncmp(s, "Infinity", 8))
+		n = INFINITY, e = (char*)s + 8;
+	else if (!strncmp(s, "+Infinity", 9))
+		n = INFINITY, e = (char*)s + 9;
+	else if (!strncmp(s, "-Infinity", 9))
+		n = -INFINITY, e = (char*)s + 9;
+	else
+		n = js_stringtofloat(s, &e);
+	while (jsY_iswhite(*e) || jsY_isnewline(*e)) ++e;
+	if (*e) return NAN;
+	return n;
+}
+
+/* ToNumber() on a value */
+double jsV_tonumber(js_State *J, js_Value *v)
+{
+	switch (v->type) {
+	default:
+	case JS_TSHRSTR: return jsV_stringtonumber(J, v->u.shrstr);
+	case JS_TUNDEFINED: return NAN;
+	case JS_TNULL: return 0;
+	case JS_TBOOLEAN: return v->u.boolean;
+	case JS_TNUMBER: return v->u.number;
+	case JS_TLITSTR: return jsV_stringtonumber(J, v->u.litstr);
+	case JS_TMEMSTR: return jsV_stringtonumber(J, v->u.memstr->p);
+	case JS_TOBJECT:
+		jsV_toprimitive(J, v, JS_HNUMBER);
+		return jsV_tonumber(J, v);
+	}
+}
+
+double jsV_tointeger(js_State *J, js_Value *v)
+{
+	return jsV_numbertointeger(jsV_tonumber(J, v));
+}
+
+/* ToString() on a number */
+const char *jsV_numbertostring(js_State *J, char buf[32], double f)
+{
+	char digits[32], *p = buf, *s = digits;
+	int exp, ndigits, point;
+
+	if (f == 0) return "0";
+	if (isnan(f)) return "NaN";
+	if (isinf(f)) return f < 0 ? "-Infinity" : "Infinity";
+
+	/* Fast case for integers. This only works assuming all integers can be
+	 * exactly represented by a float. This is true for 32-bit integers and
+	 * 64-bit floats. */
+	if (f >= INT_MIN && f <= INT_MAX) {
+		int i = (int)f;
+		if ((double)i == f)
+			return js_itoa(buf, i);
+	}
+
+	ndigits = js_grisu2(f, digits, &exp);
+	point = ndigits + exp;
+
+	if (signbit(f))
+		*p++ = '-';
+
+	if (point < -5 || point > 21) {
+		*p++ = *s++;
+		if (ndigits > 1) {
+			int n = ndigits - 1;
+			*p++ = '.';
+			while (n--)
+				*p++ = *s++;
+		}
+		js_fmtexp(p, point - 1);
+	}
+
+	else if (point <= 0) {
+		*p++ = '0';
+		*p++ = '.';
+		while (point++ < 0)
+			*p++ = '0';
+		while (ndigits-- > 0)
+			*p++ = *s++;
+		*p = 0;
+	}
+
+	else {
+		while (ndigits-- > 0) {
+			*p++ = *s++;
+			if (--point == 0 && ndigits > 0)
+				*p++ = '.';
+		}
+		while (point-- > 0)
+			*p++ = '0';
+		*p = 0;
+	}
+
+	return buf;
+}
+
+/* ToString() on a value */
+const char *jsV_tostring(js_State *J, js_Value *v)
+{
+	char buf[32];
+	const char *p;
+	switch (v->type) {
+	default:
+	case JS_TSHRSTR: return v->u.shrstr;
+	case JS_TUNDEFINED: return "undefined";
+	case JS_TNULL: return "null";
+	case JS_TBOOLEAN: return v->u.boolean ? "true" : "false";
+	case JS_TLITSTR: return v->u.litstr;
+	case JS_TMEMSTR: return v->u.memstr->p;
+	case JS_TNUMBER:
+		p = jsV_numbertostring(J, buf, v->u.number);
+		if (p == buf) {
+			int n = strlen(p);
+			if (n <= soffsetof(js_Value, type)) {
+				char *s = v->u.shrstr;
+				while (n--) *s++ = *p++;
+				*s = 0;
+				v->type = JS_TSHRSTR;
+				return v->u.shrstr;
+			} else {
+				v->u.memstr = jsV_newmemstring(J, p, n);
+				v->type = JS_TMEMSTR;
+				return v->u.memstr->p;
+			}
+		}
+		return p;
+	case JS_TOBJECT:
+		jsV_toprimitive(J, v, JS_HSTRING);
+		return jsV_tostring(J, v);
+	}
+}
+
+/* Objects */
+
+static js_Object *jsV_newboolean(js_State *J, int v)
+{
+	js_Object *obj = jsV_newobject(J, JS_CBOOLEAN, J->Boolean_prototype);
+	obj->u.boolean = v;
+	return obj;
+}
+
+static js_Object *jsV_newnumber(js_State *J, double v)
+{
+	js_Object *obj = jsV_newobject(J, JS_CNUMBER, J->Number_prototype);
+	obj->u.number = v;
+	return obj;
+}
+
+static js_Object *jsV_newstring(js_State *J, const char *v)
+{
+	js_Object *obj = jsV_newobject(J, JS_CSTRING, J->String_prototype);
+	obj->u.s.string = js_intern(J, v); /* TODO: js_String */
+	obj->u.s.length = utflen(v);
+	return obj;
+}
+
+/* ToObject() on a value */
+js_Object *jsV_toobject(js_State *J, js_Value *v)
+{
+	switch (v->type) {
+	default:
+	case JS_TSHRSTR: return jsV_newstring(J, v->u.shrstr);
+	case JS_TUNDEFINED: js_typeerror(J, "cannot convert undefined to object");
+	case JS_TNULL: js_typeerror(J, "cannot convert null to object");
+	case JS_TBOOLEAN: return jsV_newboolean(J, v->u.boolean);
+	case JS_TNUMBER: return jsV_newnumber(J, v->u.number);
+	case JS_TLITSTR: return jsV_newstring(J, v->u.litstr);
+	case JS_TMEMSTR: return jsV_newstring(J, v->u.memstr->p);
+	case JS_TOBJECT: return v->u.object;
+	}
+}
+
+void js_newobjectx(js_State *J)
+{
+	js_Object *prototype = NULL;
+	if (js_isobject(J, -1))
+		prototype = js_toobject(J, -1);
+	js_pop(J, 1);
+	js_pushobject(J, jsV_newobject(J, JS_COBJECT, prototype));
+}
+
+void js_newobject(js_State *J)
+{
+	js_pushobject(J, jsV_newobject(J, JS_COBJECT, J->Object_prototype));
+}
+
+void js_newarguments(js_State *J)
+{
+	js_pushobject(J, jsV_newobject(J, JS_CARGUMENTS, J->Object_prototype));
+}
+
+void js_newarray(js_State *J)
+{
+	js_pushobject(J, jsV_newobject(J, JS_CARRAY, J->Array_prototype));
+}
+
+void js_newboolean(js_State *J, int v)
+{
+	js_pushobject(J, jsV_newboolean(J, v));
+}
+
+void js_newnumber(js_State *J, double v)
+{
+	js_pushobject(J, jsV_newnumber(J, v));
+}
+
+void js_newstring(js_State *J, const char *v)
+{
+	js_pushobject(J, jsV_newstring(J, v));
+}
+
+void js_newfunction(js_State *J, js_Function *fun, js_Environment *scope)
+{
+	js_Object *obj = jsV_newobject(J, JS_CFUNCTION, J->Function_prototype);
+	obj->u.f.function = fun;
+	obj->u.f.scope = scope;
+	js_pushobject(J, obj);
+	{
+		js_pushnumber(J, fun->numparams);
+		js_defproperty(J, -2, "length", JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+		js_newobject(J);
+		{
+			js_copy(J, -2);
+			js_defproperty(J, -2, "constructor", JS_DONTENUM);
+		}
+		js_defproperty(J, -2, "prototype", JS_DONTENUM | JS_DONTCONF);
+	}
+}
+
+void js_newscript(js_State *J, js_Function *fun, js_Environment *scope, int type)
+{
+	js_Object *obj = jsV_newobject(J, type, NULL);
+	obj->u.f.function = fun;
+	obj->u.f.scope = scope;
+	js_pushobject(J, obj);
+}
+
+void js_newcfunction(js_State *J, js_CFunction cfun, const char *name, int length)
+{
+	js_Object *obj = jsV_newobject(J, JS_CCFUNCTION, J->Function_prototype);
+	obj->u.c.name = name;
+	obj->u.c.function = cfun;
+	obj->u.c.constructor = NULL;
+	obj->u.c.length = length;
+	js_pushobject(J, obj);
+	{
+		js_pushnumber(J, length);
+		js_defproperty(J, -2, "length", JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+		js_newobject(J);
+		{
+			js_copy(J, -2);
+			js_defproperty(J, -2, "constructor", JS_DONTENUM);
+		}
+		js_defproperty(J, -2, "prototype", JS_DONTENUM | JS_DONTCONF);
+	}
+}
+
+/* prototype -- constructor */
+void js_newcconstructor(js_State *J, js_CFunction cfun, js_CFunction ccon, const char *name, int length)
+{
+	js_Object *obj = jsV_newobject(J, JS_CCFUNCTION, J->Function_prototype);
+	obj->u.c.name = name;
+	obj->u.c.function = cfun;
+	obj->u.c.constructor = ccon;
+	obj->u.c.length = length;
+	js_pushobject(J, obj); /* proto obj */
+	{
+		js_pushnumber(J, length);
+		js_defproperty(J, -2, "length", JS_READONLY | JS_DONTENUM | JS_DONTCONF);
+		js_rot2(J); /* obj proto */
+		js_copy(J, -2); /* obj proto obj */
+		js_defproperty(J, -2, "constructor", JS_DONTENUM);
+		js_defproperty(J, -2, "prototype", JS_DONTENUM | JS_DONTCONF);
+	}
+}
+
+void js_newuserdatax(js_State *J, const char *tag, void *data, js_HasProperty has, js_Put put, js_Delete delete, js_Finalize finalize)
+{
+	js_Object *prototype = NULL;
+	js_Object *obj;
+
+	if (js_isobject(J, -1))
+		prototype = js_toobject(J, -1);
+	js_pop(J, 1);
+
+	obj = jsV_newobject(J, JS_CUSERDATA, prototype);
+	obj->u.user.tag = tag;
+	obj->u.user.data = data;
+	obj->u.user.has = has;
+	obj->u.user.put = put;
+	obj->u.user.delete = delete;
+	obj->u.user.finalize = finalize;
+	js_pushobject(J, obj);
+}
+
+void js_newuserdata(js_State *J, const char *tag, void *data, js_Finalize finalize)
+{
+	js_newuserdatax(J, tag, data, NULL, NULL, NULL, finalize);
+}
+
+/* Non-trivial operations on values. These are implemented using the stack. */
+
+int js_instanceof(js_State *J)
+{
+	js_Object *O, *V;
+
+	if (!js_iscallable(J, -1))
+		js_typeerror(J, "instanceof: invalid operand");
+
+	if (!js_isobject(J, -2))
+		return 0;
+
+	js_getproperty(J, -1, "prototype");
+	if (!js_isobject(J, -1))
+		js_typeerror(J, "instanceof: 'prototype' property is not an object");
+	O = js_toobject(J, -1);
+	js_pop(J, 1);
+
+	V = js_toobject(J, -2);
+	while (V) {
+		V = V->prototype;
+		if (O == V)
+			return 1;
+	}
+
+	return 0;
+}
+
+void js_concat(js_State *J)
+{
+	js_toprimitive(J, -2, JS_HNONE);
+	js_toprimitive(J, -1, JS_HNONE);
+
+	if (js_isstring(J, -2) || js_isstring(J, -1)) {
+		const char *sa = js_tostring(J, -2);
+		const char *sb = js_tostring(J, -1);
+		/* TODO: create js_String directly */
+		char *sab = js_malloc(J, strlen(sa) + strlen(sb) + 1);
+		strcpy(sab, sa);
+		strcat(sab, sb);
+		if (js_try(J)) {
+			js_free(J, sab);
+			js_throw(J);
+		}
+		js_pop(J, 2);
+		js_pushstring(J, sab);
+		js_endtry(J);
+		js_free(J, sab);
+	} else {
+		double x = js_tonumber(J, -2);
+		double y = js_tonumber(J, -1);
+		js_pop(J, 2);
+		js_pushnumber(J, x + y);
+	}
+}
+
+int js_compare(js_State *J, int *okay)
+{
+	js_toprimitive(J, -2, JS_HNUMBER);
+	js_toprimitive(J, -1, JS_HNUMBER);
+
+	*okay = 1;
+	if (js_isstring(J, -2) && js_isstring(J, -1)) {
+		return strcmp(js_tostring(J, -2), js_tostring(J, -1));
+	} else {
+		double x = js_tonumber(J, -2);
+		double y = js_tonumber(J, -1);
+		if (isnan(x) || isnan(y))
+			*okay = 0;
+		return x < y ? -1 : x > y ? 1 : 0;
+	}
+}
+
+int js_equal(js_State *J)
+{
+	js_Value *x = js_tovalue(J, -2);
+	js_Value *y = js_tovalue(J, -1);
+
+retry:
+	if (JSV_ISSTRING(x) && JSV_ISSTRING(y))
+		return !strcmp(JSV_TOSTRING(x), JSV_TOSTRING(y));
+	if (x->type == y->type) {
+		if (x->type == JS_TUNDEFINED) return 1;
+		if (x->type == JS_TNULL) return 1;
+		if (x->type == JS_TNUMBER) return x->u.number == y->u.number;
+		if (x->type == JS_TBOOLEAN) return x->u.boolean == y->u.boolean;
+		if (x->type == JS_TOBJECT) return x->u.object == y->u.object;
+		return 0;
+	}
+
+	if (x->type == JS_TNULL && y->type == JS_TUNDEFINED) return 1;
+	if (x->type == JS_TUNDEFINED && y->type == JS_TNULL) return 1;
+
+	if (x->type == JS_TNUMBER && JSV_ISSTRING(y))
+		return x->u.number == jsV_tonumber(J, y);
+	if (JSV_ISSTRING(x) && y->type == JS_TNUMBER)
+		return jsV_tonumber(J, x) == y->u.number;
+
+	if (x->type == JS_TBOOLEAN) {
+		x->type = JS_TNUMBER;
+		x->u.number = x->u.boolean ? 1 : 0;
+		goto retry;
+	}
+	if (y->type == JS_TBOOLEAN) {
+		y->type = JS_TNUMBER;
+		y->u.number = y->u.boolean ? 1 : 0;
+		goto retry;
+	}
+	if ((JSV_ISSTRING(x) || x->type == JS_TNUMBER) && y->type == JS_TOBJECT) {
+		jsV_toprimitive(J, y, JS_HNONE);
+		goto retry;
+	}
+	if (x->type == JS_TOBJECT && (JSV_ISSTRING(y) || y->type == JS_TNUMBER)) {
+		jsV_toprimitive(J, x, JS_HNONE);
+		goto retry;
+	}
+
+	return 0;
+}
+
+int js_strictequal(js_State *J)
+{
+	js_Value *x = js_tovalue(J, -2);
+	js_Value *y = js_tovalue(J, -1);
+
+	if (JSV_ISSTRING(x) && JSV_ISSTRING(y))
+		return !strcmp(JSV_TOSTRING(x), JSV_TOSTRING(y));
+
+	if (x->type != y->type) return 0;
+	if (x->type == JS_TUNDEFINED) return 1;
+	if (x->type == JS_TNULL) return 1;
+	if (x->type == JS_TNUMBER) return x->u.number == y->u.number;
+	if (x->type == JS_TBOOLEAN) return x->u.boolean == y->u.boolean;
+	if (x->type == JS_TOBJECT) return x->u.object == y->u.object;
+	return 0;
+}

programs/develop/kosjs/libmujs/jsvalue.h

@@ -119,7 +119,8 @@ struct js_Object
 			js_Finalize finalize;
 		} user;
 	} u;
-	js_Object *gcnext;
+	js_Object *gcnext; /* allocation list */
+	js_Object *gcroot; /* scan list */
 	int gcmark;
 };
 

programs/develop/kosjs/libmujs/pp.c

@@ -0,0 +1,115 @@
+/* Pretty-print input source by emitting parse tree back as syntax.
+ * with no flags: pretty-printed source
+ * with -m: minified source with line breaks
+ * with -mm: minified source without line breaks
+ * with -s: s-expression syntax tree
+ */
+
+#include <stdio.h>
+
+#include "jsi.h"
+#include "jsparse.h"
+
+static void js_ppstring(js_State *J, const char *filename, const char *source, int minify)
+{
+	js_Ast *P;
+	if (js_try(J)) {
+		jsP_freeparse(J);
+		js_throw(J);
+	}
+	P = jsP_parse(J, filename, source);
+	if (minify > 2)
+		jsP_dumplist(J, P);
+	else
+		jsP_dumpsyntax(J, P, minify);
+	jsP_freeparse(J);
+	js_endtry(J);
+}
+
+void js_ppfile(js_State *J, const char *filename, int minify)
+{
+	FILE *f;
+	char *s;
+	int n, t;
+
+	f = fopen(filename, "rb");
+	if (!f) {
+		js_error(J, "cannot open file: '%s'", filename);
+	}
+
+	if (fseek(f, 0, SEEK_END) < 0) {
+		fclose(f);
+		js_error(J, "cannot seek in file: '%s'", filename);
+	}
+
+	n = ftell(f);
+	if (n < 0) {
+		fclose(f);
+		js_error(J, "cannot tell in file: '%s'", filename);
+	}
+
+	if (fseek(f, 0, SEEK_SET) < 0) {
+		fclose(f);
+		js_error(J, "cannot seek in file: '%s'", filename);
+	}
+
+	s = js_malloc(J, n + 1); /* add space for string terminator */
+	if (!s) {
+		fclose(f);
+		js_error(J, "cannot allocate storage for file contents: '%s'", filename);
+	}
+
+	t = fread(s, 1, (size_t)n, f);
+	if (t != n) {
+		js_free(J, s);
+		fclose(f);
+		js_error(J, "cannot read data from file: '%s'", filename);
+	}
+
+	s[n] = 0; /* zero-terminate string containing file data */
+
+	if (js_try(J)) {
+		js_free(J, s);
+		fclose(f);
+		js_throw(J);
+	}
+
+	js_ppstring(J, filename, s, minify);
+
+	js_free(J, s);
+	fclose(f);
+	js_endtry(J);
+}
+
+int
+main(int argc, char **argv)
+{
+	js_State *J;
+	int minify = 0;
+	int i;
+
+	J = js_newstate(NULL, NULL, 0);
+
+	for (i = 1; i < argc; ++i) {
+		if (!strcmp(argv[i], "-m"))
+			minify = 1;
+		else if (!strcmp(argv[i], "-mm"))
+			minify = 2;
+		else if (!strcmp(argv[i], "-s"))
+			minify = 3;
+		else {
+			if (js_try(J)) {
+				js_report(J, js_trystring(J, -1, "Error"));
+				js_pop(J, 1);
+				continue;
+			}
+			js_ppfile(J, argv[i], minify);
+			js_endtry(J);
+		}
+	}
+
+	js_gc(J, 0);
+	js_freestate(J);
+
+	return 0;
+}

programs/develop/kosjs/libmujs/utf.c

@@ -0,0 +1,212 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ *              Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
+ * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdlib.h>
+#include <string.h>
+
+#include "utf.h"
+
+typedef unsigned char uchar;
+
+enum
+{
+	Bit1	= 7,
+	Bitx	= 6,
+	Bit2	= 5,
+	Bit3	= 4,
+	Bit4	= 3,
+	Bit5	= 2,
+
+	T1	= ((1<<(Bit1+1))-1) ^ 0xFF,	/* 0000 0000 */
+	Tx	= ((1<<(Bitx+1))-1) ^ 0xFF,	/* 1000 0000 */
+	T2	= ((1<<(Bit2+1))-1) ^ 0xFF,	/* 1100 0000 */
+	T3	= ((1<<(Bit3+1))-1) ^ 0xFF,	/* 1110 0000 */
+	T4	= ((1<<(Bit4+1))-1) ^ 0xFF,	/* 1111 0000 */
+	T5	= ((1<<(Bit5+1))-1) ^ 0xFF,	/* 1111 1000 */
+
+	Rune1	= (1<<(Bit1+0*Bitx))-1,		/* 0000 0000 0000 0000 0111 1111 */
+	Rune2	= (1<<(Bit2+1*Bitx))-1,		/* 0000 0000 0000 0111 1111 1111 */
+	Rune3	= (1<<(Bit3+2*Bitx))-1,		/* 0000 0000 1111 1111 1111 1111 */
+	Rune4	= (1<<(Bit4+3*Bitx))-1,		/* 0001 1111 1111 1111 1111 1111 */
+
+	Maskx	= (1<<Bitx)-1,			/* 0011 1111 */
+	Testx	= Maskx ^ 0xFF,			/* 1100 0000 */
+
+	Bad	= Runeerror
+};
+
+int
+chartorune(Rune *rune, const char *str)
+{
+	int c, c1, c2, c3;
+	int l;
+
+	/* overlong null character */
+	if((uchar)str[0] == 0xc0 && (uchar)str[1] == 0x80) {
+		*rune = 0;
+		return 2;
+	}
+
+	/*
+	 * one character sequence
+	 *	00000-0007F => T1
+	 */
+	c = *(uchar*)str;
+	if(c < Tx) {
+		*rune = c;
+		return 1;
+	}
+
+	/*
+	 * two character sequence
+	 *	0080-07FF => T2 Tx
+	 */
+	c1 = *(uchar*)(str+1) ^ Tx;
+	if(c1 & Testx)
+		goto bad;
+	if(c < T3) {
+		if(c < T2)
+			goto bad;
+		l = ((c << Bitx) | c1) & Rune2;
+		if(l <= Rune1)
+			goto bad;
+		*rune = l;
+		return 2;
+	}
+
+	/*
+	 * three character sequence
+	 *	0800-FFFF => T3 Tx Tx
+	 */
+	c2 = *(uchar*)(str+2) ^ Tx;
+	if(c2 & Testx)
+		goto bad;
+	if(c < T4) {
+		l = ((((c << Bitx) | c1) << Bitx) | c2) & Rune3;
+		if(l <= Rune2)
+			goto bad;
+		*rune = l;
+		return 3;
+	}
+
+	/*
+	 * four character sequence
+	 *	10000-10FFFF => T4 Tx Tx Tx
+	 */
+	if(UTFmax >= 4) {
+		c3 = *(uchar*)(str+3) ^ Tx;
+		if(c3 & Testx)
+			goto bad;
+		if(c < T5) {
+			l = ((((((c << Bitx) | c1) << Bitx) | c2) << Bitx) | c3) & Rune4;
+			if(l <= Rune3)
+				goto bad;
+			if(l > Runemax)
+				goto bad;
+			*rune = l;
+			return 4;
+		}
+	}
+
+	/*
+	 * bad decoding
+	 */
+bad:
+	*rune = Bad;
+	return 1;
+}
+
+int
+runetochar(char *str, const Rune *rune)
+{
+	int c = *rune;
+
+	/* overlong null character */
+	if (c == 0) {
+		str[0] = (char)0xc0;
+		str[1] = (char)0x80;
+		return 2;
+	}
+
+	/*
+	 * one character sequence
+	 *	00000-0007F => 00-7F
+	 */
+	if(c <= Rune1) {
+		str[0] = c;
+		return 1;
+	}
+
+	/*
+	 * two character sequence
+	 *	00080-007FF => T2 Tx
+	 */
+	if(c <= Rune2) {
+		str[0] = T2 | (c >> 1*Bitx);
+		str[1] = Tx | (c & Maskx);
+		return 2;
+	}
+
+	/*
+	 * three character sequence
+	 *	00800-0FFFF => T3 Tx Tx
+	 */
+	if(c > Runemax)
+		c = Runeerror;
+	if(c <= Rune3) {
+		str[0] = T3 |  (c >> 2*Bitx);
+		str[1] = Tx | ((c >> 1*Bitx) & Maskx);
+		str[2] = Tx |  (c & Maskx);
+		return 3;
+	}
+
+	/*
+	 * four character sequence
+	 *	010000-1FFFFF => T4 Tx Tx Tx
+	 */
+	str[0] = T4 |  (c >> 3*Bitx);
+	str[1] = Tx | ((c >> 2*Bitx) & Maskx);
+	str[2] = Tx | ((c >> 1*Bitx) & Maskx);
+	str[3] = Tx |  (c & Maskx);
+	return 4;
+}
+
+int
+runelen(int c)
+{
+	Rune rune;
+	char str[10];
+
+	rune = c;
+	return runetochar(str, &rune);
+}
+
+int
+utflen(const char *s)
+{
+	int c;
+	int n;
+	Rune rune;
+
+	n = 0;
+	for(;;) {
+		c = *(uchar*)s;
+		if(c < Runeself) {
+			if(c == 0)
+				return n;
+			s++;
+		} else
+			s += chartorune(&rune, s);
+		n++;
+	}
+}

programs/develop/kosjs/libmujs/utf.h

@@ -1,7 +1,7 @@
 #ifndef js_utf_h
 #define js_utf_h
 
-typedef unsigned short Rune;	/* 16 bits */
+typedef int Rune;	/* 32 bits */
 
 #define chartorune	jsU_chartorune
 #define runetochar	jsU_runetochar
@@ -19,10 +19,11 @@ typedef unsigned short Rune;	/* 16 bits */
 
 enum
 {
-	UTFmax		= 3,		/* maximum bytes per rune */
+	UTFmax		= 4,		/* maximum bytes per rune */
 	Runesync	= 0x80,		/* cannot represent part of a UTF sequence (<) */
 	Runeself	= 0x80,		/* rune and UTF sequences are the same (<) */
 	Runeerror	= 0xFFFD,	/* decoding error in UTF */
+	Runemax		= 0x10FFFF,	/* maximum rune value */
 };
 
 int	chartorune(Rune *rune, const char *str);