forked from KolibriOS/kolibrios
282 lines
6.7 KiB
Plaintext
282 lines
6.7 KiB
Plaintext
(*
|
|
Copyright 2016, 2017 Anton Krotov
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*)
|
|
|
|
MODULE RTL;
|
|
|
|
IMPORT sys := SYSTEM, API;
|
|
|
|
TYPE
|
|
|
|
IntArray = ARRAY 2048 OF INTEGER;
|
|
STRING = ARRAY 2048 OF CHAR;
|
|
PROC = PROCEDURE;
|
|
|
|
VAR
|
|
|
|
SelfName, rtab: INTEGER; CloseProc: PROC;
|
|
init: BOOLEAN;
|
|
main_thread_id: INTEGER;
|
|
|
|
PROCEDURE [stdcall] _halt*(n: INTEGER);
|
|
BEGIN
|
|
API.ExitProcess(n)
|
|
END _halt;
|
|
|
|
PROCEDURE [stdcall] _newrec*(size, t: INTEGER; VAR ptr: INTEGER);
|
|
BEGIN
|
|
ptr := API._NEW(size);
|
|
IF ptr # 0 THEN
|
|
sys.PUT(ptr, t);
|
|
INC(ptr, 4)
|
|
END
|
|
END _newrec;
|
|
|
|
PROCEDURE [stdcall] _disprec*(VAR ptr: INTEGER);
|
|
BEGIN
|
|
IF ptr # 0 THEN
|
|
ptr := API._DISPOSE(ptr - 4)
|
|
END
|
|
END _disprec;
|
|
|
|
PROCEDURE [stdcall] _rset*(y, x: INTEGER);
|
|
BEGIN
|
|
sys.CODE("8B45088B4D0C3BC87F0A83F91F760B83F81F760633C0C9C2080083F9007D0233C983F81F7E05B81F000000BA000000802BC8F7D9D3FA83E81F8BC8F7D9D3EA8BC2C9C20800")
|
|
END _rset;
|
|
|
|
PROCEDURE [stdcall] _inset*(y, x: INTEGER);
|
|
BEGIN
|
|
sys.CODE("8B45088B4D0C83F91F7709D3E883E001C9C20800C933C0C20800")
|
|
END _inset;
|
|
|
|
PROCEDURE [stdcall] _checktype*(table, t, r: INTEGER);
|
|
BEGIN
|
|
table := rtab;
|
|
sys.CODE("8B450C8B4D1085C975076A0158C9C20C008B51FC8B4D083BD0740D85D27409C1E20203D18B12EBEF33C93BC20F94C18BC1C9C20C00")
|
|
END _checktype;
|
|
|
|
PROCEDURE [stdcall] _savearr*(size, source, dest: INTEGER);
|
|
BEGIN
|
|
sys.CODE("9CFC8BD78BC68B7D108B750C8B4D08F3A48BFA8BF09D")
|
|
END _savearr;
|
|
|
|
PROCEDURE [stdcall] _saverec*(dyn, stat, size, source, dest: INTEGER): BOOLEAN;
|
|
VAR res: BOOLEAN;
|
|
BEGIN
|
|
res := dyn = stat;
|
|
IF res THEN
|
|
_savearr(size, source, dest)
|
|
END
|
|
RETURN res
|
|
END _saverec;
|
|
|
|
PROCEDURE [stdcall] _arrayidx*(Dim: INTEGER; VAR Arr: IntArray; bsize, idx, c: INTEGER);
|
|
VAR i, m: INTEGER;
|
|
BEGIN
|
|
m := bsize * idx;
|
|
FOR i := 4 TO Dim + 2 DO
|
|
m := m * Arr[i]
|
|
END;
|
|
IF (Arr[3] > idx) & (idx >= 0) THEN
|
|
Arr[3] := c + m
|
|
ELSE
|
|
Arr[3] := 0
|
|
END
|
|
END _arrayidx;
|
|
|
|
PROCEDURE [stdcall] _arrayidx1*(VAR Arr: IntArray; bsize, idx, c: INTEGER);
|
|
BEGIN
|
|
IF (Arr[3] > idx) & (idx >= 0) THEN
|
|
Arr[3] := bsize * idx + c
|
|
ELSE
|
|
Arr[3] := 0
|
|
END
|
|
END _arrayidx1;
|
|
|
|
PROCEDURE [stdcall] _arrayrot*(m, n: INTEGER; VAR Arr: IntArray);
|
|
VAR i, j, t: INTEGER;
|
|
BEGIN
|
|
FOR i := 1 TO n DO
|
|
t := Arr[0];
|
|
FOR j := 0 TO m + n - 1 DO
|
|
Arr[j] := Arr[j + 1]
|
|
END;
|
|
Arr[m + n] := t
|
|
END
|
|
END _arrayrot;
|
|
|
|
PROCEDURE [stdcall] _length*(s: ARRAY OF CHAR): INTEGER;
|
|
BEGIN
|
|
sys.CODE("8B4508"); // mov eax, [ebp + 08h]
|
|
sys.CODE("8B4D0C"); // mov ecx, [ebp + 0Ch]
|
|
sys.CODE("48"); // dec eax
|
|
// L1:
|
|
sys.CODE("40"); // inc eax
|
|
sys.CODE("803800"); // cmp byte ptr [eax], 0
|
|
sys.CODE("7403"); // jz L2
|
|
sys.CODE("E2F8"); // loop L1
|
|
sys.CODE("40"); // inc eax
|
|
// L2:
|
|
sys.CODE("2B4508"); // sub eax, [ebp + 08h]
|
|
sys.CODE("C9"); // leave
|
|
sys.CODE("C20800"); // ret 08h
|
|
RETURN 0
|
|
END _length;
|
|
|
|
PROCEDURE [stdcall] _strcopy*(b, blen, a, alen: INTEGER);
|
|
BEGIN
|
|
_savearr(MIN(alen, blen), a, b);
|
|
IF blen > alen THEN
|
|
sys.PUT(b + alen, 0X)
|
|
END
|
|
END _strcopy;
|
|
|
|
PROCEDURE [stdcall] _strcmp*(op: INTEGER; b, a: ARRAY OF CHAR): BOOLEAN;
|
|
VAR i: INTEGER; Res: BOOLEAN;
|
|
BEGIN
|
|
i := API.strncmp(sys.ADR(a), sys.ADR(b), MIN(LEN(a), LEN(b)));
|
|
IF i = 0 THEN
|
|
i := _length(a) - _length(b)
|
|
END;
|
|
CASE op OF
|
|
|0: Res := i = 0
|
|
|1: Res := i # 0
|
|
|2: Res := i < 0
|
|
|3: Res := i > 0
|
|
|4: Res := i <= 0
|
|
|5: Res := i >= 0
|
|
ELSE
|
|
END
|
|
RETURN Res
|
|
END _strcmp;
|
|
|
|
PROCEDURE [stdcall] _lstrcmp*(op: INTEGER; b: CHAR; a: ARRAY OF CHAR): BOOLEAN;
|
|
VAR s: ARRAY 2 OF CHAR;
|
|
BEGIN
|
|
s[0] := b;
|
|
s[1] := 0X;
|
|
RETURN _strcmp(op, s, a)
|
|
END _lstrcmp;
|
|
|
|
PROCEDURE [stdcall] _rstrcmp*(op: INTEGER; b: ARRAY OF CHAR; a: CHAR): BOOLEAN;
|
|
VAR s: ARRAY 2 OF CHAR;
|
|
BEGIN
|
|
s[0] := a;
|
|
s[1] := 0X;
|
|
RETURN _strcmp(op, b, s)
|
|
END _rstrcmp;
|
|
|
|
PROCEDURE Int(x: INTEGER; VAR str: STRING);
|
|
VAR i, a, b: INTEGER; c: CHAR;
|
|
BEGIN
|
|
i := 0;
|
|
a := 0;
|
|
REPEAT
|
|
str[i] := CHR(x MOD 10 + ORD("0"));
|
|
x := x DIV 10;
|
|
INC(i)
|
|
UNTIL x = 0;
|
|
b := i - 1;
|
|
WHILE a < b DO
|
|
c := str[a];
|
|
str[a] := str[b];
|
|
str[b] := c;
|
|
INC(a);
|
|
DEC(b)
|
|
END;
|
|
str[i] := 0X
|
|
END Int;
|
|
|
|
PROCEDURE [stdcall] _assrt*(code, m: INTEGER; modname: STRING; line: INTEGER);
|
|
VAR msg, int: STRING; pos, n: INTEGER;
|
|
|
|
PROCEDURE StrAppend(s: STRING);
|
|
VAR i, n: INTEGER;
|
|
BEGIN
|
|
n := LEN(s);
|
|
i := 0;
|
|
WHILE (i < n) & (s[i] # 0X) DO
|
|
msg[pos] := s[i];
|
|
INC(pos);
|
|
INC(i)
|
|
END
|
|
END StrAppend;
|
|
|
|
BEGIN
|
|
pos := 0;
|
|
n := line MOD 16;
|
|
line := line DIV 16;
|
|
CASE n OF
|
|
|1: StrAppend("assertion failure")
|
|
|2: StrAppend("variable of a procedure type has NIL as value")
|
|
|3: StrAppend("typeguard error")
|
|
|4: StrAppend("inadmissible dynamic type")
|
|
|5: StrAppend("index check error")
|
|
|6: StrAppend("NIL pointer dereference")
|
|
|7: StrAppend("invalid value in case statement")
|
|
|8: StrAppend("division by zero")
|
|
ELSE
|
|
END;
|
|
StrAppend(0DX);
|
|
StrAppend(0AX);
|
|
StrAppend("module ");
|
|
StrAppend(modname);
|
|
StrAppend(0DX);
|
|
StrAppend(0AX);
|
|
StrAppend("line ");
|
|
Int(line, int);
|
|
StrAppend(int);
|
|
IF m = 2 THEN
|
|
StrAppend(0DX);
|
|
StrAppend(0AX);
|
|
StrAppend("code ");
|
|
Int(code, int);
|
|
StrAppend(int)
|
|
END;
|
|
API.DebugMsg(sys.ADR(msg), SelfName);
|
|
IF API.GetCurrentThreadId() = main_thread_id THEN
|
|
API.ExitProcess(0)
|
|
ELSE
|
|
API.ExitThread(0)
|
|
END
|
|
END _assrt;
|
|
|
|
PROCEDURE [stdcall] _close*;
|
|
BEGIN
|
|
IF CloseProc # NIL THEN
|
|
CloseProc
|
|
END
|
|
END _close;
|
|
|
|
PROCEDURE [stdcall] _init*(self, rec, gsize, gadr, esp: INTEGER);
|
|
BEGIN
|
|
IF ~init THEN
|
|
API.zeromem(gsize, gadr);
|
|
init := TRUE;
|
|
API.init(esp);
|
|
main_thread_id := API.GetCurrentThreadId();
|
|
SelfName := self;
|
|
rtab := rec;
|
|
CloseProc := NIL
|
|
END
|
|
END _init;
|
|
|
|
PROCEDURE SetClose*(proc: PROC);
|
|
BEGIN
|
|
CloseProc := proc
|
|
END SetClose;
|
|
|
|
END RTL. |