From 03104b5bad544f5aa55765f04b983e0df4f15ec4 Mon Sep 17 00:00:00 2001
From: pavelyakov <pavelyakov@kolibrios.org>
Date: Mon, 14 Jan 2019 09:08:52 +0000
Subject: [PATCH] Math interpreter allow calc

git-svn-id: svn://kolibrios.org@7574 a494cfbc-eb01-0410-851d-a64ba20cac60
---
 programs/cmm/math/compile.sh |   5 ++
 programs/cmm/math/math.c     | 138 +++++++++++++++++++++++++++++++++++
 2 files changed, 143 insertions(+)
 create mode 100755 programs/cmm/math/compile.sh
 create mode 100644 programs/cmm/math/math.c

diff --git a/programs/cmm/math/compile.sh b/programs/cmm/math/compile.sh
new file mode 100755
index 0000000000..ddd47b53e8
--- /dev/null
+++ b/programs/cmm/math/compile.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+for file in `find ./ -type f -name "*.c"`
+do
+   cmm $file;
+done
\ No newline at end of file
diff --git a/programs/cmm/math/math.c b/programs/cmm/math/math.c
new file mode 100644
index 0000000000..893f8a8afd
--- /dev/null
+++ b/programs/cmm/math/math.c
@@ -0,0 +1,138 @@
+/*
+ * Author Pavel Iakovlev
+*/
+
+#define MEMSIZE 4096*10
+
+#include "../lib/io.h"
+#include "../lib/obj/console.h"
+#include "../lib/array.h"
+
+byte initConsole = 0;
+Dictionary functions = {0};
+Dictionary variables = {0};
+
+
+#define bufferSize 10000;
+#define memoryBrainfuck 30000*4
+#define memoryByteBF 1
+#define stackBrainFuck 4*1024
+
+dword buffer = 0;
+word bufferSymbol = 0;
+dword memory = 0;
+
+dword stack = 0;
+dword code = 0;
+byte tempBuffer[100] = {0};
+
+void consoleInit()
+{
+	IF(!initConsole) 
+	{
+		load_dll(libConsole, #con_init, 0);
+		con_init stdcall (-1, -1, -1, -1, "Math interpreter");
+		initConsole = 0xFF;
+	}
+}
+
+:dword getInteger()
+{
+	dword i = 0;
+	byte z = 0;
+	if (DSBYTE[code] == ' ') code++;
+	if (DSBYTE[code] == '-') 
+	{
+		z = 0xFF;
+		code++;
+	}
+	if (DSBYTE[code] >= '0') && (DSBYTE[code] <= '9')
+	{
+		while (DSBYTE[code] >= '0') && (DSBYTE[code] <= '9')
+		{
+			i *= 10;
+			i += DSBYTE[code] - '0';
+			code++;
+		}
+		
+		if (z) return -i;
+		return i;
+	}
+	return 0;
+}
+
+:dword mathEval(dword i)
+{
+	while (DSBYTE[code] == ' ') code++;
+	code++;
+	switch (DSBYTE[code-1])
+	{
+		case '+':
+			return i + mathEval(getInteger());
+		break;
+		case '-':
+			return i - mathEval(getInteger());
+		break;
+		case '/':
+			return i / mathEval(getInteger());
+		break;
+		case '*':
+			return i * mathEval(getInteger());
+		break;
+		case '(':
+			return mathEval(mathEval(getInteger()));
+		break;
+		case ')':
+			return i;
+		break;
+		case 0:
+			return 0;
+		break;
+	}
+	return i;
+}
+
+:dword evalMath()
+{
+	return mathEval(getInteger());
+}
+
+void main()
+{
+	dword brainFuckCode = 0;
+	word maxLoop = 1000;
+
+	buffer = malloc(bufferSize);
+	memory = malloc(memoryBrainfuck);
+	stack = malloc(stackBrainFuck);
+	
+	
+	IF(DSBYTE[I_Param])
+	{
+		IF(io.read(I_Param))
+		{
+			code = EAX;
+			evalMath();
+		}
+	}
+	else 
+	{
+		consoleInit();
+		con_printf stdcall ("Math interpreter v1.0");
+		while(maxLoop)
+		{
+			con_printf stdcall ("\r\n\r\n: ");
+			con_gets stdcall(buffer, bufferSize);
+			code = EAX;
+			//code = txt;
+			con_printf stdcall ("Result: ");
+			evalMath();
+			con_printf stdcall (itoa(EAX));
+			maxLoop--;
+		}
+	}
+	
+	IF(initConsole) con_exit stdcall (0);
+	ExitProcess();
+}
+