void BuildStub()
{
var entryType = LLVM.FunctionType(
ReturnType: LLVM.Int32Type(),
ParamTypes: new LLVMTypeRef [0],
IsVarArg: false
);
var entryFunc = LLVM.AddFunction(LLVMModule, "__lore_entrypoint__", entryType);
LLVM.SetLinkage(entryFunc, LLVMLinkage.LLVMExternalLinkage);
PrototypeCompiler.Analyze(this, Root);
var entryBlock = LLVM.AppendBasicBlock(entryFunc, "entry");
LLVM.PositionBuilderAtEnd(Builder, entryBlock);
var mainFunc = LLVM.GetNamedFunction(LLVMModule, "main");
if (mainFunc.Pointer == IntPtr.Zero)
{
Console.WriteLine("No main function found!");
LLVM.BuildRet(Builder, LLVM.ConstInt(LLVM.Int32Type(), 0, LLVMFalse));
}
else
{
Console.WriteLine("Main function found!");
var callResult = LLVM.BuildCall(Builder, mainFunc, new LLVMValueRef [0], "callmain");
if (Helper.CompareType(callResult, LLVM.Int32Type()))
{
LLVM.BuildRet(Builder, callResult);
}
else
{
LLVM.BuildRet(Builder, LLVM.ConstInt(LLVM.Int32Type(), 0, LLVMFalse));
}
}
}
/// <summary>
/// Analyze the specified compiler and root.
/// </summary>
/// <param name="compiler">Compiler.</param>
/// <param name="root">Root.</param>
public static void Analyze(LoreLLVMCompiler compiler, AstRoot root)
{
var visitor = new PrototypeCompiler(compiler);
visitor.Analyze(root);
}
