jit helpers are now public

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40712

public/jit/jit_helpers.h

@@ -0,0 +1,109 @@
+/**
+ * vim: set ts=4 :
+ * ================================================================
+ * SourcePawn (C)2004-2007 AlliedModders LLC.  All rights reserved.
+ * ================================================================
+ *
+ * This file is not open source and may not be copied without explicit
+ * written permission of AlliedModders LLC.  This file may not be redistributed 
+ * in whole or significant part.
+ * For information, see LICENSE.txt or http://www.sourcemod.net/license.php
+ *
+ * Version: $Id$
+ */
+
+#ifndef _INCLUDE_SOURCEPAWN_JIT_HELPERS_H_
+#define _INCLUDE_SOURCEPAWN_JIT_HELPERS_H_
+
+#include <sp_vm_types.h>
+#include <sp_vm_api.h>
+
+#if defined HAVE_STDINT_H && !defined WIN32
+#include <stdint.h>
+typedef int8_t jit_int8_t;
+typedef uint8_t jit_uint8_t;
+typedef int32_t jit_int32_t;
+typedef uint32_t jit_uint32_t;
+typedef int64_t jit_int64_t;
+typedef uint64_t jit_uint64_t;
+#elif defined WIN32
+typedef __int8 jit_int8_t;
+typedef unsigned __int8 jit_uint8_t;
+typedef __int32 jit_int32_t;
+typedef unsigned __int32 jit_uint32_t;
+typedef __int64 jit_int64_t;
+typedef unsigned __int64 jit_uint64_t;
+#endif
+
+typedef char * jitcode_t;
+typedef unsigned int jitoffs_t;
+typedef signed int jitrel_t;
+
+class JitWriter
+{
+public:
+	inline cell_t read_cell()
+	{
+		cell_t val = *(inptr);
+		inptr++;
+		return val;
+	}
+	inline cell_t *read_cellptr()
+	{
+		cell_t *val = *(cell_t **)(inptr);
+		inptr++;
+		return val;
+	}
+	inline void write_ubyte(jit_uint8_t c)
+	{
+		if (outbase)
+		{
+			*outptr = c;
+		}
+		outptr++;
+	}
+	inline void write_byte(jit_int8_t c)
+	{
+		if (outbase)
+		{
+			*outptr = c;
+		}
+		outptr++;
+	}
+	inline void write_int32(jit_int32_t c)
+	{
+		if (outbase)
+		{
+			*(jit_int32_t *)outptr = c;
+		}
+		outptr += sizeof(jit_int32_t);
+	}
+	inline void write_uint32(jit_uint32_t c)
+	{
+		if (outbase)
+		{
+			*(jit_uint32_t *)outptr = c;
+		}
+		outptr += sizeof(jit_uint32_t);
+	}
+	inline jitoffs_t get_outputpos()
+	{
+		return (outptr - outbase);
+	}
+	inline void set_outputpos(jitoffs_t offs)
+	{
+		outptr = outbase + offs;
+	}
+	inline jitoffs_t get_inputpos()
+	{
+		return (jitoffs_t)((char *)inptr - (char *)inbase);
+	}
+public:
+	cell_t *inptr;		/* input pointer */
+	cell_t *inbase;		/* input base */
+	jitcode_t outbase;	/* output pointer */
+	jitcode_t outptr;	/* output base */
+	SourcePawn::ICompilation *data;	/* compiler live info */
+};
+
+#endif //_INCLUDE_SOURCEPAWN_JIT_HELPERS_H_