Function CodeGen

hyperdbg/script-engine/code/script-engine.c:708–3428

* @brief Script Engine code generator * * @param MatchedStack * @param CodeBuffer * @param Operator * @param Error * @param ScriptSource the script source string * @return VOID */

 * @return VOID
 */
void
CodeGen(PSCRIPT_ENGINE_TOKEN_LIST MatchedStack, PSYMBOL_BUFFER CodeBuffer, PSCRIPT_ENGINE_TOKEN Operator, PSCRIPT_ENGINE_ERROR_TYPE Error, char ** ScriptSource)
{
    PSCRIPT_ENGINE_TOKEN Op0  = NULL;
    PSCRIPT_ENGINE_TOKEN Op1  = NULL;
    PSCRIPT_ENGINE_TOKEN Op2  = NULL;
    PSCRIPT_ENGINE_TOKEN Temp = NULL;

    PSYMBOL         OperatorSymbol      = NULL;
    PSYMBOL         Op0Symbol           = NULL;
    PSYMBOL         Op1Symbol           = NULL;
    PSYMBOL         Op2Symbol           = NULL;
    PSYMBOL         TempSymbol          = NULL;
    VARIABLE_TYPE * VariableType        = NULL;
    VARIABLE_TYPE * PointerVariableType = NULL;

    //
    // It is in user-defined function if CurrentFunctionSymbol is not null
    //
    OperatorSymbol = ToSymbol(Operator, Error);

#ifdef _SCRIPT_ENGINE_CODEGEN_DBG_EN
    //
    // Print Debug Info
    //
    printf("Operator :\n");
    PrintToken(Operator);
    printf("\n");

    printf("Semantic Stack:\n");
    PrintTokenList(MatchedStack);
    printf("\n");

    printf("Code Buffer:\n");
    PrintSymbolBuffer((PVOID)CodeBuffer);
    printf(".\n.\n.\n\n");
#endif

    while (TRUE)
    {
        if (!strcmp(Operator->Value, "@INCLUDE"))
        {
            char *  IncludeFilePath;
            char    FullPath[MAX_PATH_LEN];
            char *  IncludeFileBuffer;
            BOOLEAN IncludedPath = FALSE;

            Temp            = Pop(MatchedStack);
            IncludeFilePath = Temp->Value;

            ResolveIncludePath(IncludeFilePath, FullPath);

            if (!FileExists(FullPath))
            {
                *Error = SCRIPT_ENGINE_ERROR_SYNTAX;
                break;
            }