CarGDev/bits-runner-builder
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Read array elements

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This commit is contained in:
Rafał Grodziński
2025-07-09 17:47:59 +09:00
parent 870ecce8e4
commit 5db6703d48
10 changed files with 88 additions and 26 deletions
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25
src/Compiler/ModuleBuilder.cpp
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@@ -132,12 +132,15 @@ void ModuleBuilder::buildVarDeclaration(shared_ptr<StatementVariable> statement)
llvm::ArrayType *type = (llvm::ArrayType *)typeForValueType(statement->getValueType(), values.size());
llvm::AllocaInst *alloca = builder->CreateAlloca(type, nullptr, statement->getName());
if (!setAlloca(statement->getName(), alloca))
return;
for (int i=0; i < type->getNumElements(); i++) {
llvm::Value *index[] = {
builder->getInt32(0),
builder->getInt32(i)
};
llvm::Value *elementPtr = builder->CreateGEP(type, alloca, index, format("{}_{}", statement->getName(), i));
builder->CreateStore(values[i], elementPtr);
}
} else {
@@ -150,10 +153,6 @@ void ModuleBuilder::buildVarDeclaration(shared_ptr<StatementVariable> statement)
}
}
void ModuleBuilder::buildArrayDeclaration(shared_ptr<StatementVariable> statement) {
}
void ModuleBuilder::buildAssignment(shared_ptr<StatementAssignment> statement) {
llvm::AllocaInst *alloca = getAlloca(statement->getName());
if (alloca == nullptr)
@@ -254,7 +253,6 @@ llvm::Value *ModuleBuilder::valueForExpression(shared_ptr<Expression> expression
switch (expression->getKind()) {
case ExpressionKind::LITERAL:
return valueForLiteral(dynamic_pointer_cast<ExpressionLiteral>(expression));
case ExpressionKind::GROUPING:
return valueForExpression(dynamic_pointer_cast<ExpressionGrouping>(expression)->getExpression());
case ExpressionKind::BINARY:
@@ -313,6 +311,9 @@ llvm::Value *ModuleBuilder::valueForBinary(shared_ptr<ExpressionBinary> expressi
llvm::Value *leftValue = valueForExpression(expression->getLeft());
llvm::Value *rightValue = valueForExpression(expression->getRight());
if (leftValue == nullptr || rightValue == nullptr)
return nullptr;
llvm::Type *type = leftValue->getType();
if (type == typeBool) {
@@ -450,7 +451,19 @@ llvm::Value *ModuleBuilder::valueForVar(shared_ptr<ExpressionVariable> expressio
if (alloca == nullptr)
return nullptr;
return builder->CreateLoad(alloca->getAllocatedType(), alloca, expression->getName());
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()));
return builder->CreateLoad(type->getArrayElementType(), elementPtr);
} else {
return builder->CreateLoad(alloca->getAllocatedType(), alloca, expression->getName());
}
}
llvm::Value *ModuleBuilder::valueForCall(shared_ptr<ExpressionCall> expression) {