lscript_error.h

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#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(FILE *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(FILE *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_EOF
} LSCRIPTErrors;

class LLScriptGenerateErrorText
{
public:
        LLScriptGenerateErrorText() { init(); }
        ~LLScriptGenerateErrorText() {}

        void init() { mTotalErrors = 0; mTotalWarnings = 0; }

        void writeWarning(FILE *fp, LLScriptFilePosition *pos, LSCRIPTWarnings warning);
        void writeWarning(FILE *fp, S32 line, S32 col, LSCRIPTWarnings warning);
        void writeError(FILE *fp, LLScriptFilePosition *pos, LSCRIPTErrors error);
        void writeError(FILE *fp, S32 line, S32 col, LSCRIPTErrors error);

        BOOL getErrors() { return mTotalErrors; }
        BOOL getWarnings() { return mTotalWarnings; }

        S32 mTotalErrors;
        S32 mTotalWarnings;
};

extern LLScriptGenerateErrorText gErrorToText;

#endif

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