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Allowed multiple functions + non "main" functions

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Also fixed a bug in the lexer and changed how AST is logged.
This commit is contained in:
Pasha Bibko
2025-05-08 16:03:54 +01:00
parent 794173e14f
commit 050eeb5a53
6 changed files with 56 additions and 14 deletions
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23
Parser/src/GenIR.cpp
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@@ -14,16 +14,35 @@ namespace LX
return true;
}
static llvm::GlobalValue::LinkageTypes GetLinkageType(const std::string& funcName)
{
if (funcName == "main")
{
return llvm::Function::ExternalLinkage;
}
else
{
return llvm::GlobalValue::InternalLinkage;
}
}
// Generates the LLVM IR for the given function //
static void GenerateFunctionIR(FunctionDefinition& funcAST, InfoLLVM& LLVM)
{
// Creates the functions signature and return type //
llvm::FunctionType* retType = llvm::FunctionType::get(llvm::Type::getInt32Ty(LLVM.context), false); // <- Defaults to int currently
llvm::Function* func = llvm::Function::Create(retType, llvm::Function::ExternalLinkage, funcAST.name, LLVM.module);
llvm::BasicBlock* entry = llvm::BasicBlock::Create(LLVM.context, "entry", func);
llvm::Function* func = llvm::Function::Create(retType, GetLinkageType(funcAST.name), funcAST.name, LLVM.module);
llvm::BasicBlock* entry = llvm::BasicBlock::Create(LLVM.context, funcAST.name + "-entry", func);
LLVM.builder.SetInsertPoint(entry);
// Adds the function's parameters to the scope //
for (std::string& param : funcAST.params)
{
LLVM.scope->CreateVar(param, LLVM);
}
// Generates the IR within the function by looping over the nodes //
for (auto& node : funcAST.body)
{