Imported existing code

indra/lscript/lscript_compile/lscript_error.h

@@ -0,0 +1,158 @@
+/** 
+ * @file lscript_error.h
+ * @brief error reporting class and strings
+ *
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ * 
+ * Copyright (c) 2002-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LSCRIPT_ERROR_H
+#define LL_LSCRIPT_ERROR_H
+
+#include "lscript_scope.h"
+
+typedef enum e_lscript_compile_pass
+{
+	LSCP_INVALID,
+	LSCP_PRETTY_PRINT,
+	LSCP_PRUNE,
+	LSCP_SCOPE_PASS1,
+	LSCP_SCOPE_PASS2,
+	LSCP_TYPE,
+	LSCP_RESOURCE,
+	LSCP_EMIT_ASSEMBLY,
+	LSCP_EMIT_BYTE_CODE,
+	LSCP_DETERMINE_HANDLERS,
+	LSCP_LIST_BUILD_SIMPLE,
+	LSCP_TO_STACK,
+	LSCP_BUILD_FUNCTION_ARGS,
+	LSCP_EMIT_CIL_ASSEMBLY,
+	LSCP_EOF
+} LSCRIPTCompilePass;
+
+typedef enum e_lscript_prune_type
+{
+	LSPRUNE_INVALID,
+	LSPRUNE_GLOBAL_VOIDS,
+	LSPRUNE_GLOBAL_NON_VOIDS,
+	LSPRUNE_EVENTS,
+	LSPRUNE_DEAD_CODE,
+	LSPRUNE_EOF
+} LSCRIPTPruneType;
+
+extern S32 gColumn;
+extern S32 gLine;
+extern S32 gInternalColumn;
+extern S32 gInternalLine;
+
+
+// used to describe where in the file this piece is
+class LLScriptByteCodeChunk;
+
+class LLScriptLibData;
+
+class LLScriptFilePosition
+{
+public:
+	LLScriptFilePosition(S32 line, S32 col)
+		: mLineNumber(line), mColumnNumber(col), mByteOffset(0), mByteSize(0)
+	{
+	}
+
+	virtual ~LLScriptFilePosition() {}
+
+	virtual void recurse(LLFILE *fp, S32 tabs, S32 tabsize, 
+						LSCRIPTCompilePass pass, LSCRIPTPruneType ptype, BOOL &prunearg, 
+						LLScriptScope *scope, LSCRIPTType &type, LSCRIPTType basetype, U64 &count, 
+						LLScriptByteCodeChunk *chunk, LLScriptByteCodeChunk *heap, S32 stacksize, LLScriptScopeEntry *entry, S32 entrycount, LLScriptLibData **ldata) = 0;
+	virtual S32 getSize() = 0;
+
+	void fdotabs(LLFILE *fp, S32 tabs, S32 tabsize);
+
+	S32 mLineNumber;
+	S32 mColumnNumber;
+
+	S32 mByteOffset;
+	S32 mByteSize;
+};
+
+typedef enum e_lscript_warnings
+{
+	LSWARN_INVALID,
+	LSWARN_DEAD_CODE,
+	LSWARN_EOF
+} LSCRIPTWarnings;
+
+typedef enum e_lscript_errors
+{
+	LSERROR_INVALID,
+	LSERROR_SYNTAX_ERROR,
+	LSERROR_NO_RETURN,
+	LSERROR_INVALID_VOID_RETURN,
+	LSERROR_INVALID_RETURN,
+	LSERROR_STATE_CHANGE_IN_GLOBAL,
+	LSERROR_DUPLICATE_NAME,
+	LSERROR_UNDEFINED_NAME,
+	LSERROR_TYPE_MISMATCH,
+	LSERROR_EXPRESSION_ON_LVALUE,
+	LSERROR_ASSEMBLE_OUT_OF_MEMORY,
+	LSERROR_FUNCTION_TYPE_ERROR,
+	LSERROR_VECTOR_METHOD_ERROR,
+	LSERROR_NO_LISTS_IN_LISTS,
+	LSERROR_NO_UNITIALIZED_VARIABLES_IN_LISTS,
+	LSERROR_NEED_NEW_SCOPE,
+	LSERROR_CIL_ASSEMBLER_FAILED = 16, // Mono build error.
+	LSERROR_BYTECODE_TRANSFORM_FAILED = 17, // Mono build error.
+	LSERROR_BYTECODE_VERIFICATION_FAILED, // Mono build error.
+	LSERROR_EOF
+} LSCRIPTErrors;
+
+class LLScriptGenerateErrorText
+{
+public:
+	LLScriptGenerateErrorText() { init(); }
+	~LLScriptGenerateErrorText() {}
+
+	void init() { mTotalErrors = 0; mTotalWarnings = 0; }
+
+	void writeWarning(LLFILE *fp, LLScriptFilePosition *pos, LSCRIPTWarnings warning);
+	void writeWarning(LLFILE *fp, S32 line, S32 col, LSCRIPTWarnings warning);
+	void writeError(LLFILE *fp, LLScriptFilePosition *pos, LSCRIPTErrors error);
+	void writeError(LLFILE *fp, S32 line, S32 col, LSCRIPTErrors error);
+
+	BOOL getErrors() { return mTotalErrors; }
+	BOOL getWarnings() { return mTotalWarnings; }
+
+	S32 mTotalErrors;
+	S32 mTotalWarnings;
+};
+
+std::string getLScriptErrorString(LSCRIPTErrors error);
+
+extern LLScriptGenerateErrorText gErrorToText;
+
+#endif