Cool_Tools/ImHex
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Properly convert rvalue to mathematical expression

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This commit is contained in:
WerWolv 2021-01-04 14:10:59 +01:00
parent f1339f8b4a
commit af42d2ff66
2 changed files with 9 additions and 5 deletions
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8
source/lang/evaluator.cpp
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@ -317,11 +317,13 @@ namespace hex::lang {
auto startOffset = this->m_currOffset;
auto sizeNode = dynamic_cast<ASTNodeNumericExpression*>(node->getSize());
if (sizeNode == nullptr)
ASTNodeIntegerLiteral *valueNode;
if (auto sizeNumericExpression = dynamic_cast<ASTNodeNumericExpression*>(node->getSize()); sizeNumericExpression != nullptr)
valueNode = evaluateMathematicalExpression(sizeNumericExpression);
else
throwEvaluateError("array size not a numeric expression", node->getLineNumber());
auto valueNode = evaluateMathematicalExpression(sizeNode);
SCOPE_EXIT( delete valueNode; );
auto arraySize = std::get<s128>(valueNode->getValue());

6
source/lang/parser.cpp
View File

@ -5,6 +5,8 @@
#define MATCHES(x) (begin() && x)
#define TO_NUMERIC_EXPRESSION(node) new ASTNodeNumericExpression((node), new ASTNodeIntegerLiteral(0, Token::ValueType::Signed128Bit), Token::Operator::Plus)
// Definition syntax:
// [A] : Either A or no token
// [A|B] : Either A, B or no token
@ -27,13 +29,13 @@ namespace hex::lang {
else
throwParseError("expected member name", -1);
} else
return new ASTNodeRValue(path);
return TO_NUMERIC_EXPRESSION(new ASTNodeRValue(path));
}
// <Integer|((parseMathematicalExpression))>
ASTNode* Parser::parseFactor() {
if (MATCHES(sequence(INTEGER)))
return new ASTNodeNumericExpression(new ASTNodeIntegerLiteral(getValue<s128>(-1), Token::ValueType::Signed128Bit), new ASTNodeIntegerLiteral(0, Token::ValueType::Signed128Bit), Token::Operator::Plus);
return TO_NUMERIC_EXPRESSION(new ASTNodeIntegerLiteral(getValue<s128>(-1), Token::ValueType::Signed128Bit));
else if (MATCHES(sequence(SEPARATOR_ROUNDBRACKETOPEN))) {
auto node = this->parseMathematicalExpression();
if (!MATCHES(sequence(SEPARATOR_ROUNDBRACKETCLOSE)))