public void SimpleFunctionType_ParseCheck() {
var returnVal = new LValueRef(LType.F32Type(), "");
var parameter = new LPointerRef(new LValueRef(LType.F32Type(), ""), "");
LFunctionType fnType = new LFunctionType(returnVal, parameter);
Assert.AreEqual("float (float*)", fnType.Parse());
}
/// <summary>
/// Initialize with function metadata
/// </summary>
/// <param name="meta"></param>
public SymbolFunction(FunctionMetaData meta)
{
Name = meta.Name;
Meta = meta;
Category = SymbolCategory.Func;
DataType = new LFunctionType(meta.Name);
}
public void SimpleFunctionType_ArrayAsReturnVal_Expected_Exception() {
var returnVal = new LArrayRef("", new LValueRef(LType.F32Type(), ""), 5);
LFunctionType fnType;
Assert.Throws<Exception>(() =>
fnType = new LFunctionType(returnVal)
);
}
public void VarargFunctionType_ParseCheck() {
var returnVal = new LValueRef(LType.F32Type(), "");
var parameter = new LPointerRef(new LValueRef(LType.F32Type(), ""), "");
LFunctionType fnType = new LFunctionType(returnVal, parameter) {
HasVararg = true
};
Assert.AreEqual("float (float*, ...)", fnType.Parse());
}
public object VisitLambda(LambdaExpr expr)
{
var funcType = new LFunctionType();
funcType.Name = expr.Expr.Meta.Name;
funcType.FullName = funcType.Name;
var func = new LFunction(expr.Expr);
func.Type = funcType;
return(func);
}
static void Main(string[] args)
{
string valueIdentifier = "@value";
string value = "c\"Hello World!\\00\"";
var module = new LModule("LLVMHelloWorld");
var func = LFunction.Create("@main", new LValueRef(LType.Int32Type(), ""));
var arrayRef = new LArrayRef(valueIdentifier, new LValueRef(LType.Int8Type(), ""), 13);
// Create char array constant.
var global = new LGlobal(arrayRef, value)
{
IsConstant = true
};
var fnType = new LFunctionType(new LValueRef(LType.Int32Type(), "%printf"), new LPointerRef(new LValueRef(LType.Int8Type(), ""), "%result"))
{
HasVararg = true
};
var external = new LExternal(fnType, "@printf");
var result = new LPointerRef(new LValueRef(LType.Int8Type(), ""), "%result");
var gep = new LGetelementptr(result, global.GetPointerRef());
gep.Indexes.Add((LType.Int32Type(), 0));
gep.Indexes.Add((LType.Int32Type(), 0));
var call = new LCall(fnType, external.FnIdentifier);
var ret = new LRet(new LValueRef(LType.Int32Type(), "0"));
// Create and register entry label
func.Register(new LLabelType("entry"));
// Register function and char array constant to module.
module.Register(global);
module.Register(func);
module.Register(external);
// Register instructions.
func.Register(gep);
func.Register(call);
func.Register(ret);
Console.WriteLine(module.Parse());
}
public LExternal(LFunctionType fnType, string fnIdentifier)
{
FnType = fnType;
FnIdentifier = fnIdentifier;
}