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/**
* @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
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