CarGDev/bits-runner-builder
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This commit is contained in:
Rafał Grodziński
2025-08-12 13:01:48 +09:00
parent ad3c5a99f1
commit d159b81c46
8 changed files with 170 additions and 44 deletions
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46
src/Compiler/ModuleBuilder.cpp
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@@ -365,7 +365,7 @@ llvm::Value *ModuleBuilder::valueForExpression(shared_ptr<Expression> expression
case ExpressionKind::IF_ELSE:
return valueForIfElse(dynamic_pointer_cast<ExpressionIfElse>(expression));
case ExpressionKind::VAR:
return valueForVar(dynamic_pointer_cast<ExpressionVariable>(expression));
return valueForVariable(dynamic_pointer_cast<ExpressionVariable>(expression));
case ExpressionKind::CALL:
return valueForCall(dynamic_pointer_cast<ExpressionCall>(expression));
default:
@@ -435,6 +435,8 @@ llvm::Value *ModuleBuilder::valueForBinary(shared_ptr<ExpressionBinary> expressi
return valueForBinarySignedInteger(expression->getOperation(), leftValue, rightValue);
} else if (type == typeR32) {
return valueForBinaryReal(expression->getOperation(), leftValue, rightValue);
} else { // FIXME (we have missing value types)
return valueForBinarySignedInteger(expression->getOperation(), leftValue, rightValue);
}
markError(0, 0, "Unexpected operation");
@@ -606,23 +608,39 @@ llvm::Value *ModuleBuilder::valueForIfElse(shared_ptr<ExpressionIfElse> expressi
}
}
llvm::Value *ModuleBuilder::valueForVar(shared_ptr<ExpressionVariable> expression) {
llvm::AllocaInst *alloca = getAlloca(expression->getName());
llvm::Value *ModuleBuilder::valueForVariable(shared_ptr<ExpressionVariable> expression) {
llvm::AllocaInst *alloca = getAlloca(expression->getIdentifier());
if (alloca == nullptr)
return nullptr;
if (expression->getIndexExpression()) {
llvm::Value *indexValue = valueForExpression(expression->getIndexExpression());
llvm::Value *index[] = {
builder->getInt32(0),
indexValue
};
llvm::ArrayType *type = (llvm::ArrayType *)alloca->getAllocatedType();
llvm::Value *elementPtr = builder->CreateGEP(type, alloca, index, format("{}[]", expression->getName()));
switch (expression->getVariableKind()) {
case ExpressionVariableKind::SIMPLE: {
return builder->CreateLoad(alloca->getAllocatedType(), alloca, expression->getIdentifier());
}
case ExpressionVariableKind::DATA: {
llvm::Value *indexValue = valueForExpression(expression->getIndexExpression());
llvm::Value *index[] = {
builder->getInt32(0),
indexValue
};
llvm::ArrayType *type = (llvm::ArrayType *)alloca->getAllocatedType();
llvm::Value *elementPtr = builder->CreateGEP(type, alloca, index, format("{}[]", expression->getIdentifier()));
return builder->CreateLoad(type->getArrayElementType(), elementPtr);
} else {
return builder->CreateLoad(alloca->getAllocatedType(), alloca, expression->getName());
return builder->CreateLoad(type->getArrayElementType(), elementPtr);
}
case ExpressionVariableKind::BLOB: {
llvm::StructType *structType = (llvm::StructType *)alloca->getAllocatedType();
string structName = string(structType->getName());
optional<int> memberIndex = getMemberIndex(structName, expression->getMemberName());
if (!memberIndex)
return nullptr;
llvm::Value *index[] = {
builder->getInt32(0),
builder->getInt32(*memberIndex)
};
llvm::Value *elementPtr = builder->CreateGEP(structType, alloca, index, format("{}.{}", expression->getIdentifier(), expression->getMemberName()));
return builder->CreateLoad(structType->getElementType(*memberIndex), elementPtr);
}
}
}