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mirror of synced 2024-11-28 17:40:51 +01:00
Code Releases Wiki Activity

Fixed endian specifier not applying

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This commit is contained in:
WerWolv 2021-01-08 16:56:39 +01:00
parent 750f7463cc
commit 205f3a327e
2 changed files with 36 additions and 40 deletions
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17
source/lang/evaluator.cpp
View File

@ -461,6 +461,8 @@ namespace hex::lang {
if (!node->getName().empty())
pattern->setTypeName(node->getName().data());
pattern->setEndian(this->getCurrentEndian());
this->m_endianStack.pop_back();
return pattern;
@ -490,7 +492,6 @@ namespace hex::lang {
throwEvaluateError("ASTNodeVariableDecl had an invalid type. This is a bug!", 1);
pattern->setVariableName(node->getName().data());
pattern->setEndian(this->getCurrentEndian());
return pattern;
}
@ -605,18 +606,24 @@ namespace hex::lang {
}
PatternData *sizeType;
if (auto builtinTypeNode = dynamic_cast<ASTNodeBuiltinType*>(node->getSizeType()); builtinTypeNode != nullptr) {
auto underlyingType = dynamic_cast<ASTNodeTypeDecl*>(node->getSizeType());
if (underlyingType == nullptr)
throwEvaluateError("underlying type is not ASTNodeTypeDecl. This is a bug", node->getLineNumber());
if (auto builtinTypeNode = dynamic_cast<ASTNodeBuiltinType*>(underlyingType->getType()); builtinTypeNode != nullptr) {
sizeType = evaluateBuiltinType(builtinTypeNode);
} else
throwEvaluateError("Pointer size is not a builtin type", node->getLineNumber());
throwEvaluateError("pointer size is not a builtin type", node->getLineNumber());
size_t pointerSize = sizeType->getSize();
delete sizeType;
u128 pointedAtOffset = 0;
this->m_provider->read(pointerOffset, &pointedAtOffset, pointerSize);
this->m_currOffset = hex::changeEndianess(pointedAtOffset, pointerSize, underlyingType->getEndian().value_or(this->m_defaultDataEndian));
delete sizeType;
this->m_currOffset = hex::changeEndianess(pointedAtOffset, 1, this->getCurrentEndian());
if (this->m_currOffset > this->m_provider->getActualSize())
throwEvaluateError("pointer points past the end of the data", 1);

59
source/lang/parser.cpp
View File

@ -315,14 +315,13 @@ namespace hex::lang {
// using Identifier = (parseType)
ASTNode* Parser::parseUsingDeclaration() {
auto *temporaryType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-1));
if (temporaryType == nullptr) throwParseError("invalid type used in variable declaration", -1);
SCOPE_EXIT( delete temporaryType; );
auto *type = dynamic_cast<ASTNodeTypeDecl *>(parseType(-1));
if (type == nullptr) throwParseError("invalid type used in variable declaration", -1);
if (peekOptional(KEYWORD_BE) || peekOptional(KEYWORD_LE))
return new ASTNodeTypeDecl(getValue<std::string>(-4), temporaryType->getType()->clone(), temporaryType->getEndian());
return new ASTNodeTypeDecl(getValue<std::string>(-4), type, type->getEndian());
else
return new ASTNodeTypeDecl(getValue<std::string>(-3), temporaryType->getType()->clone(), temporaryType->getEndian());
return new ASTNodeTypeDecl(getValue<std::string>(-3), type, type->getEndian());
}
// padding[(parseMathematicalExpression)]
@ -339,18 +338,16 @@ namespace hex::lang {
// (parseType) Identifier
ASTNode* Parser::parseMemberVariable() {
auto temporaryType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-2));
if (temporaryType == nullptr) throwParseError("invalid type used in variable declaration", -1);
SCOPE_EXIT( delete temporaryType; );
auto type = dynamic_cast<ASTNodeTypeDecl *>(parseType(-2));
if (type == nullptr) throwParseError("invalid type used in variable declaration", -1);
return new ASTNodeVariableDecl(getValue<std::string>(-1), temporaryType->getType()->clone());
return new ASTNodeVariableDecl(getValue<std::string>(-1), type);
}
// (parseType) Identifier[(parseMathematicalExpression)]
ASTNode* Parser::parseMemberArrayVariable() {
auto temporaryType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-3));
if (temporaryType == nullptr) throwParseError("invalid type used in variable declaration", -1);
SCOPE_EXIT( delete temporaryType; );
auto type = dynamic_cast<ASTNodeTypeDecl *>(parseType(-3));
if (type == nullptr) throwParseError("invalid type used in variable declaration", -1);
auto name = getValue<std::string>(-2);
@ -366,25 +363,23 @@ namespace hex::lang {
sizeCleanup.release();
return new ASTNodeArrayVariableDecl(name, temporaryType->getType()->clone(), size);
return new ASTNodeArrayVariableDecl(name, type, size);
}
// (parseType) *Identifier : (parseType)
ASTNode* Parser::parseMemberPointerVariable() {
auto name = getValue<std::string>(-2);
auto temporaryPointerType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-4));
if (temporaryPointerType == nullptr) throwParseError("invalid type used in variable declaration", -1);
SCOPE_EXIT( delete temporaryPointerType; );
auto pointerType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-4));
if (pointerType == nullptr) throwParseError("invalid type used in variable declaration", -1);
if (!MATCHES((optional(KEYWORD_BE), optional(KEYWORD_LE)) && sequence(VALUETYPE_UNSIGNED)))
throwParseError("expected unsigned builtin type as size", -1);
auto temporarySizeType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-1));
if (temporarySizeType == nullptr) throwParseError("invalid type used for pointer size", -1);
SCOPE_EXIT( delete temporarySizeType; );
auto sizeType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-1));
if (sizeType == nullptr) throwParseError("invalid type used for pointer size", -1);
return new ASTNodePointerVariableDecl(name, temporaryPointerType->getType()->clone(), temporarySizeType->getType()->clone());
return new ASTNodePointerVariableDecl(name, pointerType, sizeType);
}
// [(parsePadding)|(parseMemberVariable)|(parseMemberArrayVariable)|(parseMemberPointerVariable)]
@ -450,10 +445,8 @@ namespace hex::lang {
else
typeName = getValue<std::string>(-4);
auto temporaryTypeDecl = dynamic_cast<ASTNodeTypeDecl*>(parseType(-2));
if (temporaryTypeDecl == nullptr) throwParseError("failed to parse type", -2);
auto underlyingType = dynamic_cast<ASTNodeBuiltinType*>(temporaryTypeDecl->getType());
if (underlyingType == nullptr) throwParseError("underlying type is not a built-in type", -2);
auto underlyingType = dynamic_cast<ASTNodeTypeDecl*>(parseType(-2));
if (underlyingType == nullptr) throwParseError("failed to parse type", -2);
const auto enumNode = new ASTNodeEnum(underlyingType);
ScopeExit enumGuard([&]{ delete enumNode; });
@ -524,18 +517,16 @@ namespace hex::lang {
// (parseType) Identifier @ Integer
ASTNode* Parser::parseVariablePlacement() {
auto temporaryType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-3));
if (temporaryType == nullptr) throwParseError("invalid type used in variable declaration", -1);
SCOPE_EXIT( delete temporaryType; );
auto type = dynamic_cast<ASTNodeTypeDecl *>(parseType(-3));
if (type == nullptr) throwParseError("invalid type used in variable declaration", -1);
return new ASTNodeVariableDecl(getValue<std::string>(-2), temporaryType->getType()->clone(), parseMathematicalExpression());
return new ASTNodeVariableDecl(getValue<std::string>(-2), type, parseMathematicalExpression());
}
// (parseType) Identifier[[(parseMathematicalExpression)]] @ Integer
ASTNode* Parser::parseArrayVariablePlacement() {
auto temporaryType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-3));
if (temporaryType == nullptr) throwParseError("invalid type used in variable declaration", -1);
SCOPE_EXIT( delete temporaryType; );
auto type = dynamic_cast<ASTNodeTypeDecl *>(parseType(-3));
if (type == nullptr) throwParseError("invalid type used in variable declaration", -1);
auto name = getValue<std::string>(-2);
@ -554,7 +545,7 @@ namespace hex::lang {
sizeCleanup.release();
return new ASTNodeArrayVariableDecl(name, temporaryType->getType()->clone(), size, parseMathematicalExpression());
return new ASTNodeArrayVariableDecl(name, type, size, parseMathematicalExpression());
}
// (parseType) *Identifier : (parseType) @ Integer
@ -563,19 +554,17 @@ namespace hex::lang {
auto temporaryPointerType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-4));
if (temporaryPointerType == nullptr) throwParseError("invalid type used in variable declaration", -1);
SCOPE_EXIT( delete temporaryPointerType; );
if (!MATCHES((optional(KEYWORD_BE), optional(KEYWORD_LE)) && sequence(VALUETYPE_UNSIGNED)))
throwParseError("expected unsigned builtin type as size", -1);
auto temporaryPointerSizeType = dynamic_cast<ASTNodeTypeDecl *>(parseType(-1));
if (temporaryPointerSizeType == nullptr) throwParseError("invalid size type used in pointer declaration", -1);
SCOPE_EXIT( delete temporaryPointerSizeType; );
if (!MATCHES(sequence(OPERATOR_AT)))
throwParseError("expected placement instruction", -1);
return new ASTNodePointerVariableDecl(name, temporaryPointerType->getType()->clone(), temporaryPointerSizeType->getType()->clone(), parseMathematicalExpression());
return new ASTNodePointerVariableDecl(name, temporaryPointerType, temporaryPointerSizeType, parseMathematicalExpression());
}