C++ (Cpp) parseValueExpression示例

示例#1

文件： Parser.cpp 项目： DRDivider/TWIScript

static bool parseMulDivExpression(MemoryStack* stack, LexerCarriage* carriage, Array<SyntaxError>* errors, ASTNode* result)
{
    ASTNode left;
    if (parseValueExpression(stack, carriage, errors, &left))
        return parseMulDivExpression(stack, carriage, errors, left, result);
    else
        return false;
}

示例#2

文件： CSSCalculationValue.cpp 项目： techtonik/chromium

 PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> parseCalc(CSSParserTokenRange tokens)
 {
     Value result;
     tokens.consumeWhitespace();
     bool ok = parseValueExpression(tokens, 0, &result);
     if (!ok || !tokens.atEnd())
         return nullptr;
     return result.value;
 }

示例#3

 PassRefPtr<CSSCalcExpressionNode> parseCalc(CSSParserValueList* tokens)
 {
     unsigned index = 0;
     Value result;
     bool ok = parseValueExpression(tokens, 0, &index, &result);
     ASSERT(index <= tokens->size());
     if (!ok || index != tokens->size())
         return 0;
     return result.value;
 }

示例#4

文件： Parser.cpp 项目： DRDivider/TWIScript

static bool parseMulDivExpression(MemoryStack* stack, LexerCarriage* carriage, Array<SyntaxError>* errors, ASTNode left, ASTNode* result)
{
    if (carriage->topToken.type == TOK_MULTIPLY)
    {
        parseNextToken(carriage);

        ASTNode right;
        if (parseValueExpression(stack, carriage, errors, &right))
        {
            makeFunctionCallNode(result, stack, "opMul", left, right);
            parseMulDivExpression(stack, carriage, errors, *result, result);

            return true;
        }
        else
            pushBack(errors, SyntaxError{ SET_EXPRESSION_EXPECTED, carriage->currentLineNumber });
    }
    else if (carriage->topToken.type == TOK_DIVIDE)
    {
        parseNextToken(carriage);
        
        ASTNode right;
        if (parseValueExpression(stack, carriage, errors, &right))
        {
            makeFunctionCallNode(result, stack, "opDiv", left, right);
            parseMulDivExpression(stack, carriage, errors, *result, result);

            return true;
        }
        else
            pushBack(errors, SyntaxError{ SET_EXPRESSION_EXPECTED, carriage->currentLineNumber });
    }
    else
    {
        *result = left;
        return true;
    }

    return false;
}

示例#5

文件： CSSCalculationValue.cpp 项目： techtonik/chromium

    bool parseValueTerm(CSSParserTokenRange& tokens, int depth, Value* result)
    {
        if (checkDepthAndIndex(&depth, tokens) != OK)
            return false;

        if (tokens.peek().type() == LeftParenthesisToken) {
            CSSParserTokenRange innerRange = tokens.consumeBlock();
            tokens.consumeWhitespace();
            innerRange.consumeWhitespace();
            return parseValueExpression(innerRange, depth, result);
        }

        return parseValue(tokens, result);
    }

示例#6

    bool parseValueTerm(CSSParserValueList* tokens, int depth, unsigned* index, Value* result)
    {
        if (checkDepthAndIndex(&depth, *index, tokens) != OK)
            return false;

        if (operatorValue(tokens, *index) == '(') {
            unsigned currentIndex = *index + 1;
            if (!parseValueExpression(tokens, depth, &currentIndex, result))
                return false;

            if (operatorValue(tokens, currentIndex) != ')')
                return false;
            *index = currentIndex + 1;
            return true;
        }

        return parseValue(tokens, index, result);
    }