reformat generator

This commit is contained in:
nub31
2025-11-03 14:02:47 +01:00
parent f231a45285
commit 7ce451768d

View File

@@ -91,7 +91,7 @@ public class LlvmGenerator
_labelIndex = 0;
var parameters = funcNode.Prototype.Parameters.Select(x => $"{MapType(x.Type)} %{x.NameToken.Value}");
writer.WriteLine($"define {MapType(funcNode.Prototype.ReturnType)} @{FuncName(funcNode.Prototype)}({string.Join(", ", parameters)}) {{");
writer.WriteLine($"define {MapType(funcNode.Prototype.ReturnType)} @{FuncName(_module, funcNode.Prototype.NameToken.Value, funcNode.Prototype.ExternSymbolToken?.Value)}({string.Join(", ", parameters)}) {{");
using (writer.Indent())
{
@@ -127,10 +127,10 @@ public class LlvmGenerator
EmitBlock(writer, blockNode);
break;
case BreakNode breakNode:
EmitBreak(writer, breakNode);
EmitBreak(writer);
break;
case ContinueNode continueNode:
EmitContinue(writer, continueNode);
EmitContinue(writer);
break;
case DeferNode deferNode:
EmitDefer(writer, deferNode);
@@ -176,13 +176,13 @@ public class LlvmGenerator
}
}
private void EmitBreak(IndentedTextWriter writer, BreakNode breakNode)
private void EmitBreak(IndentedTextWriter writer)
{
var (breakLabel, _) = _loopStack.Peek();
writer.WriteLine($"br label %{breakLabel}");
}
private void EmitContinue(IndentedTextWriter writer, ContinueNode continueNode)
private void EmitContinue(IndentedTextWriter writer)
{
var (_, continueLabel) = _loopStack.Peek();
writer.WriteLine($"br label %{continueLabel}");
@@ -301,8 +301,43 @@ public class LlvmGenerator
{
return expressionNode switch
{
RValue rValue => EmitRValue(writer, rValue),
LValue lValue => EmitLValue(writer, lValue),
AddressOfNode addressOfNode => EmitAddressOf(writer, addressOfNode),
DereferenceNode dereferenceNode => EmitDereference(writer, dereferenceNode),
UnaryExpressionNode unaryExpressionNode => EmitUnaryExpression(writer, unaryExpressionNode),
BinaryExpressionNode binaryExpressionNode => EmitBinaryExpression(writer, binaryExpressionNode),
ConstArrayInitializerNode constArrayInitializerNode => EmitConstArrayInitializer(writer, constArrayInitializerNode),
StructInitializerNode structInitializerNode => EmitStructInitializer(writer, structInitializerNode),
ConstArrayIndexAccessNode constArrayIndexAccessNode => EmitConstArrayIndexAccess(writer, constArrayIndexAccessNode),
ArrayIndexAccessNode arrayIndexAccessNode => EmitArrayIndexAccess(writer, arrayIndexAccessNode),
SliceIndexAccessNode sliceIndexAccessNode => EmitSliceIndexAccess(writer, sliceIndexAccessNode),
StructFieldAccessNode structFieldAccessNode => EmitStructFieldAccess(writer, structFieldAccessNode),
CStringLiteralNode cStringLiteralNode => EmitCStringLiteral(writer, cStringLiteralNode),
StringLiteralNode stringLiteralNode => EmitStringLiteral(writer, stringLiteralNode),
BoolLiteralNode boolLiteralNode => EmitBoolLiteral(boolLiteralNode),
Float32LiteralNode float32LiteralNode => EmitFloat32Literal(float32LiteralNode),
Float64LiteralNode float64LiteralNode => EmitFloat64Literal(float64LiteralNode),
U8LiteralNode u8LiteralNode => EmitU8Literal(u8LiteralNode),
U16LiteralNode u16LiteralNode => EmitU16Literal(u16LiteralNode),
U32LiteralNode u32LiteralNode => EmitU32Literal(u32LiteralNode),
U64LiteralNode u64LiteralNode => EmitU64Literal(u64LiteralNode),
I8LiteralNode i8LiteralNode => EmitI8Literal(i8LiteralNode),
I16LiteralNode i16LiteralNode => EmitI16Literal(i16LiteralNode),
I32LiteralNode i32LiteralNode => EmitI32Literal(i32LiteralNode),
I64LiteralNode i64LiteralNode => EmitI64Literal(i64LiteralNode),
LocalFuncIdentifierNode localFuncIdentifierNode => EmitLocalFuncIdentifier(writer, localFuncIdentifierNode),
ModuleFuncIdentifierNode moduleFuncIdentifierNode => EmitModuleFuncIdentifier(writer, moduleFuncIdentifierNode),
VariableIdentifierNode variableIdentifierNode => EmitVariableIdentifier(writer, variableIdentifierNode),
FuncCallNode funcCallNode => EmitFuncCall(writer, funcCallNode),
SizeNode sizeNode => EmitSize(sizeNode),
CastNode castNode => EmitCast(writer, castNode),
_ => throw new ArgumentOutOfRangeException(nameof(expressionNode))
};
}
@@ -337,67 +372,52 @@ public class LlvmGenerator
}
}
private Tmp EmitRValue(IndentedTextWriter writer, RValue rValue)
{
return rValue switch
{
AddressOfNode addressOfNode => EmitAddressOf(writer, addressOfNode),
BinaryExpressionNode binaryExpressionNode => EmitBinaryExpression(writer, binaryExpressionNode),
BoolLiteralNode boolLiteralNode => EmitBoolLiteral(writer, boolLiteralNode),
CastNode castNode => EmitCast(writer, castNode),
ConstArrayInitializerNode constArrayInitializerNode => EmitConstArrayInitializer(writer, constArrayInitializerNode),
CStringLiteralNode cStringLiteralNode => EmitCStringLiteral(writer, cStringLiteralNode),
Float32LiteralNode float32LiteralNode => EmitFloat32Literal(writer, float32LiteralNode),
Float64LiteralNode float64LiteralNode => EmitFloat64Literal(writer, float64LiteralNode),
FuncCallNode funcCallNode => EmitFuncCall(writer, funcCallNode),
ModuleFuncIdentifierNode moduleFuncIdentifierNode => EmitModuleFuncIdentifier(writer, moduleFuncIdentifierNode),
LocalFuncIdentifierNode localFuncIdentifierNode => EmitLocalFuncIdentifier(writer, localFuncIdentifierNode),
I16LiteralNode i16LiteralNode => EmitI16Literal(writer, i16LiteralNode),
I32LiteralNode i32LiteralNode => EmitI32Literal(writer, i32LiteralNode),
I64LiteralNode i64LiteralNode => EmitI64Literal(writer, i64LiteralNode),
I8LiteralNode i8LiteralNode => EmitI8Literal(writer, i8LiteralNode),
SizeNode sizeNode => EmitSize(writer, sizeNode),
StringLiteralNode stringLiteralNode => EmitStringLiteral(writer, stringLiteralNode),
StructInitializerNode structInitializerNode => EmitStructInitializer(writer, structInitializerNode),
U16LiteralNode u16LiteralNode => EmitU16Literal(writer, u16LiteralNode),
U32LiteralNode u32LiteralNode => EmitU32Literal(writer, u32LiteralNode),
U64LiteralNode u64LiteralNode => EmitU64Literal(writer, u64LiteralNode),
U8LiteralNode u8LiteralNode => EmitU8Literal(writer, u8LiteralNode),
UnaryExpressionNode unaryExpressionNode => EmitUnaryExpression(writer, unaryExpressionNode),
_ => throw new ArgumentOutOfRangeException(nameof(rValue), rValue, null)
};
}
private Tmp EmitLValue(IndentedTextWriter writer, LValue lValue)
{
return lValue switch
{
ArrayIndexAccessNode arrayIndexAccessNode => EmitArrayIndexAccess(writer, arrayIndexAccessNode),
ConstArrayIndexAccessNode constArrayIndexAccessNode => EmitConstArrayIndexAccess(writer, constArrayIndexAccessNode),
DereferenceNode dereferenceNode => EmitDereference(writer, dereferenceNode),
SliceIndexAccessNode sliceIndexAccessNode => EmitSliceIndexAccess(writer, sliceIndexAccessNode),
StructFieldAccessNode structFieldAccessNode => EmitStructFieldAccess(writer, structFieldAccessNode),
VariableIdentifierNode variableIdentifierNode => EmitVariableIdentifier(writer, variableIdentifierNode),
_ => throw new ArgumentOutOfRangeException(nameof(lValue), lValue, null)
};
}
private Tmp EmitAddressOf(IndentedTextWriter writer, AddressOfNode addressOfNode)
{
var target = EmitExpression(writer, addressOfNode.Target);
return new Tmp(target.Ident, addressOfNode.Type, false);
}
private Tmp EmitArrayIndexAccess(IndentedTextWriter writer, ArrayIndexAccessNode arrayIndexAccessNode)
private Tmp EmitDereference(IndentedTextWriter writer, DereferenceNode dereferenceNode)
{
var arrayPtr = Unwrap(writer, EmitExpression(writer, arrayIndexAccessNode.Target));
var index = Unwrap(writer, EmitExpression(writer, arrayIndexAccessNode.Index));
throw new NotImplementedException();
}
var elementType = ((NubArrayType)arrayIndexAccessNode.Target.Type).ElementType;
var ptrTmp = NewTmp("array.element");
writer.WriteLine($"{ptrTmp} = getelementptr {MapType(elementType)}, ptr {arrayPtr}, {MapType(arrayIndexAccessNode.Index.Type)} {index}");
private Tmp EmitUnaryExpression(IndentedTextWriter writer, UnaryExpressionNode unaryExpressionNode)
{
var operand = Unwrap(writer, EmitExpression(writer, unaryExpressionNode.Operand));
var result = NewTmp("unary");
return new Tmp(ptrTmp, arrayIndexAccessNode.Type, true);
switch (unaryExpressionNode.Operator)
{
case UnaryOperator.Negate:
{
switch (unaryExpressionNode.Operand.Type)
{
case NubIntType intType:
writer.WriteLine($"{result} = sub {MapType(intType)} 0, {operand}");
break;
case NubFloatType floatType:
writer.WriteLine($"{result} = fneg {MapType(floatType)} {operand}");
break;
default:
throw new UnreachableException();
}
break;
}
case UnaryOperator.Invert:
{
writer.WriteLine($"{result} = xor i1 {operand}, true");
break;
}
default:
{
throw new ArgumentOutOfRangeException();
}
}
return new Tmp(result, unaryExpressionNode.Type, false);
}
private Tmp EmitBinaryExpression(IndentedTextWriter writer, BinaryExpressionNode binaryExpressionNode)
@@ -557,7 +577,7 @@ public class LlvmGenerator
};
}
private string GenerateBoolComparison(BinaryOperator op)
private static string GenerateBoolComparison(BinaryOperator op)
{
return op switch
{
@@ -567,7 +587,7 @@ public class LlvmGenerator
};
}
private string GeneratePointerComparison(BinaryOperator op)
private static string GeneratePointerComparison(BinaryOperator op)
{
return op switch
{
@@ -581,11 +601,279 @@ public class LlvmGenerator
};
}
private Tmp EmitBoolLiteral(IndentedTextWriter writer, BoolLiteralNode boolLiteralNode)
#region Initializers
private Tmp EmitConstArrayInitializer(IndentedTextWriter writer, ConstArrayInitializerNode constArrayInitializerNode, string? destination = null)
{
var arrayType = (NubConstArrayType)constArrayInitializerNode.Type;
if (destination == null)
{
destination = NewTmp("array");
writer.WriteLine($"{destination} = alloca {MapType(arrayType)}");
}
for (var i = 0; i < constArrayInitializerNode.Values.Count; i++)
{
var value = constArrayInitializerNode.Values[i];
var indexTmp = NewTmp("array.element");
writer.WriteLine($"{indexTmp} = getelementptr {MapType(arrayType)}, ptr {destination}, i32 0, i32 {i}");
EmitExpressionInto(writer, value, indexTmp);
}
return new Tmp(destination, constArrayInitializerNode.Type, false);
}
private Tmp EmitStructInitializer(IndentedTextWriter writer, StructInitializerNode structInitializerNode, string? destination = null)
{
if (destination == null)
{
destination = NewTmp("struct");
writer.WriteLine($"{destination} = alloca {MapType(structInitializerNode.Type)}");
}
var structType = (NubStructType)structInitializerNode.Type;
writer.WriteLine($"call void @{StructName(structType.Module, structType.Name)}.new(ptr {destination})");
foreach (var (name, value) in structInitializerNode.Initializers)
{
var index = structType.GetFieldIndex(name.Value);
var fieldTmp = NewTmp($"struct.field.{name}");
writer.WriteLine($"{fieldTmp} = getelementptr %{StructName(structType.Module, structType.Name)}, ptr {destination}, i32 0, i32 {index}");
EmitExpressionInto(writer, value, fieldTmp);
}
return new Tmp(destination, structInitializerNode.Type, false);
}
#endregion
#region Array indexing
private Tmp EmitConstArrayIndexAccess(IndentedTextWriter writer, ConstArrayIndexAccessNode constArrayIndexAccessNode)
{
var arrayPtr = Unwrap(writer, EmitExpression(writer, constArrayIndexAccessNode.Target));
var index = Unwrap(writer, EmitExpression(writer, constArrayIndexAccessNode.Index));
var elementType = ((NubConstArrayType)constArrayIndexAccessNode.Target.Type).ElementType;
var ptrTmp = NewTmp("array.element");
writer.WriteLine($"{ptrTmp} = getelementptr {MapType(elementType)}, ptr {arrayPtr}, {MapType(constArrayIndexAccessNode.Index.Type)} {index}");
return new Tmp(ptrTmp, constArrayIndexAccessNode.Type, true);
}
private Tmp EmitArrayIndexAccess(IndentedTextWriter writer, ArrayIndexAccessNode arrayIndexAccessNode)
{
var arrayPtr = Unwrap(writer, EmitExpression(writer, arrayIndexAccessNode.Target));
var index = Unwrap(writer, EmitExpression(writer, arrayIndexAccessNode.Index));
var elementType = ((NubArrayType)arrayIndexAccessNode.Target.Type).ElementType;
var ptrTmp = NewTmp("array.element");
writer.WriteLine($"{ptrTmp} = getelementptr {MapType(elementType)}, ptr {arrayPtr}, {MapType(arrayIndexAccessNode.Index.Type)} {index}");
return new Tmp(ptrTmp, arrayIndexAccessNode.Type, true);
}
private Tmp EmitSliceIndexAccess(IndentedTextWriter writer, SliceIndexAccessNode sliceIndexAccessNode)
{
throw new NotImplementedException();
}
#endregion
private Tmp EmitStructFieldAccess(IndentedTextWriter writer, StructFieldAccessNode structFieldAccessNode)
{
var target = Unwrap(writer, EmitExpression(writer, structFieldAccessNode.Target));
var structType = (NubStructType)structFieldAccessNode.Target.Type;
var index = structType.GetFieldIndex(structFieldAccessNode.FieldToken.Value);
var ptrTmp = NewTmp($"struct.field.{structFieldAccessNode.FieldToken.Value}");
writer.WriteLine($"{ptrTmp} = getelementptr %{StructName(structType.Module, structType.Name)}, ptr {target}, i32 0, i32 {index}");
return new Tmp(ptrTmp, structFieldAccessNode.Type, true);
}
#region Literals
private Tmp EmitCStringLiteral(IndentedTextWriter writer, CStringLiteralNode cStringLiteralNode)
{
var escaped = new StringBuilder();
foreach (var c in cStringLiteralNode.Value)
{
switch (c)
{
case '\0':
escaped.Append("\\00");
break;
case '\n':
escaped.Append("\\0A");
break;
case '\r':
escaped.Append("\\0D");
break;
case '\t':
escaped.Append("\\09");
break;
case '\\':
escaped.Append("\\\\");
break;
case '"':
escaped.Append("\\22");
break;
default:
{
if (c < 32 || c > 126)
escaped.Append($"\\{(int)c:X2}");
else
escaped.Append(c);
break;
}
}
}
var stringWithNull = cStringLiteralNode.Value + "\0";
var length = stringWithNull.Length;
var globalName = $"@.str.{_stringLiterals.Count}";
_stringLiterals.Add((globalName, length, escaped.ToString()));
var gepTmp = NewTmp("str.ptr");
writer.WriteLine($"{gepTmp} = getelementptr [{length} x i8], ptr {globalName}, i32 0, i32 0");
return new Tmp(gepTmp, cStringLiteralNode.Type, false);
}
private static Tmp EmitStringLiteral(IndentedTextWriter writer, StringLiteralNode stringLiteralNode)
{
throw new NotImplementedException();
}
private static Tmp EmitBoolLiteral(BoolLiteralNode boolLiteralNode)
{
return new Tmp(boolLiteralNode.Value ? "1" : "0", boolLiteralNode.Type, false);
}
private static Tmp EmitFloat32Literal(Float32LiteralNode float32LiteralNode)
{
var literal = ((double)float32LiteralNode.Value).ToString("R", System.Globalization.CultureInfo.InvariantCulture);
if (!literal.Contains('.'))
{
literal += ".0";
}
return new Tmp(literal, float32LiteralNode.Type, false);
}
private static Tmp EmitFloat64Literal(Float64LiteralNode float64LiteralNode)
{
var literal = float64LiteralNode.Value.ToString("R", System.Globalization.CultureInfo.InvariantCulture);
if (!literal.Contains('.'))
{
literal += ".0";
}
return new Tmp(literal, float64LiteralNode.Type, false);
}
private static Tmp EmitU8Literal(U8LiteralNode u8LiteralNode)
{
return new Tmp(u8LiteralNode.Value.ToString(), u8LiteralNode.Type, false);
}
private static Tmp EmitU16Literal(U16LiteralNode u16LiteralNode)
{
return new Tmp(u16LiteralNode.Value.ToString(), u16LiteralNode.Type, false);
}
private static Tmp EmitU32Literal(U32LiteralNode u32LiteralNode)
{
return new Tmp(u32LiteralNode.Value.ToString(), u32LiteralNode.Type, false);
}
private static Tmp EmitU64Literal(U64LiteralNode u64LiteralNode)
{
return new Tmp(u64LiteralNode.Value.ToString(), u64LiteralNode.Type, false);
}
private static Tmp EmitI8Literal(I8LiteralNode i8LiteralNode)
{
return new Tmp(i8LiteralNode.Value.ToString(), i8LiteralNode.Type, false);
}
private static Tmp EmitI16Literal(I16LiteralNode i16LiteralNode)
{
return new Tmp(i16LiteralNode.Value.ToString(), i16LiteralNode.Type, false);
}
private static Tmp EmitI32Literal(I32LiteralNode i32LiteralNode)
{
return new Tmp(i32LiteralNode.Value.ToString(), i32LiteralNode.Type, false);
}
private static Tmp EmitI64Literal(I64LiteralNode i64LiteralNode)
{
return new Tmp(i64LiteralNode.Value.ToString(), i64LiteralNode.Type, false);
}
#endregion
#region Identifiers
private Tmp EmitLocalFuncIdentifier(IndentedTextWriter writer, LocalFuncIdentifierNode localFuncIdentifierNode)
{
var name = FuncName(_module, localFuncIdentifierNode.NameToken.Value, localFuncIdentifierNode.ExternSymbolToken?.Value);
return new Tmp($"@{name}", localFuncIdentifierNode.Type, false);
}
private Tmp EmitModuleFuncIdentifier(IndentedTextWriter writer, ModuleFuncIdentifierNode moduleFuncIdentifierNode)
{
var name = FuncName(moduleFuncIdentifierNode.ModuleToken.Value, moduleFuncIdentifierNode.NameToken.Value, moduleFuncIdentifierNode.ExternSymbolToken?.Value);
return new Tmp($"@{name}", moduleFuncIdentifierNode.Type, false);
}
private Tmp EmitVariableIdentifier(IndentedTextWriter writer, VariableIdentifierNode variableIdentifierNode)
{
return new Tmp($"%{variableIdentifierNode.NameToken.Value}", variableIdentifierNode.Type, true);
}
#endregion
private Tmp EmitFuncCall(IndentedTextWriter writer, FuncCallNode funcCallNode)
{
var result = NewTmp();
var parameterStrings = new List<string>();
foreach (var parameter in funcCallNode.Parameters)
{
var value = Unwrap(writer, EmitExpression(writer, parameter));
parameterStrings.Add($"{MapType(parameter.Type)} {value}");
}
var functionPtr = Unwrap(writer, EmitExpression(writer, funcCallNode.Expression));
if (funcCallNode.Type is NubVoidType)
{
writer.WriteLine($"call {MapType(funcCallNode.Type)} {functionPtr}({string.Join(", ", parameterStrings)})");
}
else
{
writer.WriteLine($"{result} = call {MapType(funcCallNode.Type)} {functionPtr}({string.Join(", ", parameterStrings)})");
}
return new Tmp(result, funcCallNode.Type, false);
}
private static Tmp EmitSize(SizeNode sizeNode)
{
return new Tmp(sizeNode.TargetType.GetSize().ToString(), sizeNode.Type, false);
}
private Tmp EmitCast(IndentedTextWriter writer, CastNode castNode)
{
var source = Unwrap(writer, EmitExpression(writer, castNode.Value));
@@ -664,281 +952,6 @@ public class LlvmGenerator
return new Tmp(result, castNode.Type, false);
}
private Tmp EmitConstArrayIndexAccess(IndentedTextWriter writer, ConstArrayIndexAccessNode constArrayIndexAccessNode)
{
var arrayPtr = Unwrap(writer, EmitExpression(writer, constArrayIndexAccessNode.Target));
var index = Unwrap(writer, EmitExpression(writer, constArrayIndexAccessNode.Index));
var elementType = ((NubConstArrayType)constArrayIndexAccessNode.Target.Type).ElementType;
var ptrTmp = NewTmp("array.element");
writer.WriteLine($"{ptrTmp} = getelementptr {MapType(elementType)}, ptr {arrayPtr}, {MapType(constArrayIndexAccessNode.Index.Type)} {index}");
return new Tmp(ptrTmp, constArrayIndexAccessNode.Type, true);
}
private Tmp EmitConstArrayInitializer(IndentedTextWriter writer, ConstArrayInitializerNode constArrayInitializerNode, string? destination = null)
{
var arrayType = (NubConstArrayType)constArrayInitializerNode.Type;
if (destination == null)
{
destination = NewTmp("array");
writer.WriteLine($"{destination} = alloca {MapType(arrayType)}");
}
for (var i = 0; i < constArrayInitializerNode.Values.Count; i++)
{
var value = constArrayInitializerNode.Values[i];
var indexTmp = NewTmp("array.element");
writer.WriteLine($"{indexTmp} = getelementptr {MapType(arrayType)}, ptr {destination}, i32 0, i32 {i}");
EmitExpressionInto(writer, value, indexTmp);
}
return new Tmp(destination, constArrayInitializerNode.Type, false);
}
private Tmp EmitCStringLiteral(IndentedTextWriter writer, CStringLiteralNode cStringLiteralNode)
{
var escaped = EscapeStringForLLVM(cStringLiteralNode.Value);
var stringWithNull = cStringLiteralNode.Value + "\0";
var length = stringWithNull.Length;
var globalName = $"@.str.{_stringLiterals.Count}";
_stringLiterals.Add((globalName, length, escaped));
var gepTmp = NewTmp("str.ptr");
writer.WriteLine($"{gepTmp} = getelementptr [{length} x i8], ptr {globalName}, i32 0, i32 0");
return new Tmp(gepTmp, cStringLiteralNode.Type, false);
}
private string EscapeStringForLLVM(string input)
{
var result = new StringBuilder();
foreach (var c in input)
{
if (c == '\0')
result.Append("\\00");
else if (c == '\n')
result.Append("\\0A");
else if (c == '\r')
result.Append("\\0D");
else if (c == '\t')
result.Append("\\09");
else if (c == '\\')
result.Append("\\\\");
else if (c == '"')
result.Append("\\22");
else if (c < 32 || c > 126)
result.Append($"\\{(int)c:X2}");
else
result.Append(c);
}
return result.ToString();
}
private Tmp EmitDereference(IndentedTextWriter writer, DereferenceNode dereferenceNode)
{
throw new NotImplementedException();
}
private Tmp EmitFloat32Literal(IndentedTextWriter writer, Float32LiteralNode float32LiteralNode)
{
var literal = ((double)float32LiteralNode.Value).ToString("R", System.Globalization.CultureInfo.InvariantCulture);
if (!literal.Contains('.'))
{
literal += ".0";
}
return new Tmp(literal, float32LiteralNode.Type, false);
}
private Tmp EmitFloat64Literal(IndentedTextWriter writer, Float64LiteralNode float64LiteralNode)
{
var literal = float64LiteralNode.Value.ToString("R", System.Globalization.CultureInfo.InvariantCulture);
if (!literal.Contains('.'))
{
literal += ".0";
}
return new Tmp(literal, float64LiteralNode.Type, false);
}
private Tmp EmitFuncCall(IndentedTextWriter writer, FuncCallNode funcCallNode)
{
var result = NewTmp();
var parameterStrings = new List<string>();
foreach (var parameter in funcCallNode.Parameters)
{
var value = Unwrap(writer, EmitExpression(writer, parameter));
parameterStrings.Add($"{MapType(parameter.Type)} {value}");
}
var functionPtr = Unwrap(writer, EmitExpression(writer, funcCallNode.Expression));
if (funcCallNode.Type is NubVoidType)
{
writer.WriteLine($"call {MapType(funcCallNode.Type)} {functionPtr}({string.Join(", ", parameterStrings)})");
}
else
{
writer.WriteLine($"{result} = call {MapType(funcCallNode.Type)} {functionPtr}({string.Join(", ", parameterStrings)})");
}
return new Tmp(result, funcCallNode.Type, false);
}
private Tmp EmitModuleFuncIdentifier(IndentedTextWriter writer, ModuleFuncIdentifierNode moduleFuncIdentifierNode)
{
var name = FuncName(moduleFuncIdentifierNode.ModuleToken.Value, moduleFuncIdentifierNode.NameToken.Value, moduleFuncIdentifierNode.ExternSymbolToken?.Value);
return new Tmp($"@{name}", moduleFuncIdentifierNode.Type, false);
}
private Tmp EmitLocalFuncIdentifier(IndentedTextWriter writer, LocalFuncIdentifierNode localFuncIdentifierNode)
{
var name = FuncName(_module, localFuncIdentifierNode.NameToken.Value, localFuncIdentifierNode.ExternSymbolToken?.Value);
return new Tmp($"@{name}", localFuncIdentifierNode.Type, false);
}
private Tmp EmitI16Literal(IndentedTextWriter writer, I16LiteralNode i16LiteralNode)
{
return new Tmp(i16LiteralNode.Value.ToString(), i16LiteralNode.Type, false);
}
private Tmp EmitI32Literal(IndentedTextWriter writer, I32LiteralNode i32LiteralNode)
{
return new Tmp(i32LiteralNode.Value.ToString(), i32LiteralNode.Type, false);
}
private Tmp EmitI64Literal(IndentedTextWriter writer, I64LiteralNode i64LiteralNode)
{
return new Tmp(i64LiteralNode.Value.ToString(), i64LiteralNode.Type, false);
}
private Tmp EmitI8Literal(IndentedTextWriter writer, I8LiteralNode i8LiteralNode)
{
return new Tmp(i8LiteralNode.Value.ToString(), i8LiteralNode.Type, false);
}
private Tmp EmitSize(IndentedTextWriter writer, SizeNode sizeNode)
{
return new Tmp(sizeNode.TargetType.GetSize().ToString(), sizeNode.Type, false);
}
private Tmp EmitSliceIndexAccess(IndentedTextWriter writer, SliceIndexAccessNode sliceIndexAccessNode)
{
throw new NotImplementedException();
}
private Tmp EmitStringLiteral(IndentedTextWriter writer, StringLiteralNode stringLiteralNode)
{
throw new NotImplementedException();
}
private Tmp EmitStructFieldAccess(IndentedTextWriter writer, StructFieldAccessNode structFieldAccessNode)
{
var target = Unwrap(writer, EmitExpression(writer, structFieldAccessNode.Target));
var structType = (NubStructType)structFieldAccessNode.Target.Type;
var index = structType.GetFieldIndex(structFieldAccessNode.FieldToken.Value);
var ptrTmp = NewTmp($"struct.field.{structFieldAccessNode.FieldToken.Value}");
writer.WriteLine($"{ptrTmp} = getelementptr %{StructName(structType.Module, structType.Name)}, ptr {target}, i32 0, i32 {index}");
return new Tmp(ptrTmp, structFieldAccessNode.Type, true);
}
private Tmp EmitStructInitializer(IndentedTextWriter writer, StructInitializerNode structInitializerNode, string? destination = null)
{
if (destination == null)
{
destination = NewTmp("struct");
writer.WriteLine($"{destination} = alloca {MapType(structInitializerNode.Type)}");
}
var structType = (NubStructType)structInitializerNode.Type;
writer.WriteLine($"call void @{StructName(structType.Module, structType.Name)}.new(ptr {destination})");
foreach (var (name, value) in structInitializerNode.Initializers)
{
var index = structType.GetFieldIndex(name.Value);
var fieldTmp = NewTmp($"struct.field.{name}");
writer.WriteLine($"{fieldTmp} = getelementptr %{StructName(structType.Module, structType.Name)}, ptr {destination}, i32 0, i32 {index}");
EmitExpressionInto(writer, value, fieldTmp);
}
return new Tmp(destination, structInitializerNode.Type, false);
}
private Tmp EmitU16Literal(IndentedTextWriter writer, U16LiteralNode u16LiteralNode)
{
return new Tmp(u16LiteralNode.Value.ToString(), u16LiteralNode.Type, false);
}
private Tmp EmitU32Literal(IndentedTextWriter writer, U32LiteralNode u32LiteralNode)
{
return new Tmp(u32LiteralNode.Value.ToString(), u32LiteralNode.Type, false);
}
private Tmp EmitU64Literal(IndentedTextWriter writer, U64LiteralNode u64LiteralNode)
{
return new Tmp(u64LiteralNode.Value.ToString(), u64LiteralNode.Type, false);
}
private Tmp EmitU8Literal(IndentedTextWriter writer, U8LiteralNode u8LiteralNode)
{
return new Tmp(u8LiteralNode.Value.ToString(), u8LiteralNode.Type, false);
}
private Tmp EmitUnaryExpression(IndentedTextWriter writer, UnaryExpressionNode unaryExpressionNode)
{
var operand = Unwrap(writer, EmitExpression(writer, unaryExpressionNode.Operand));
var result = NewTmp("unary");
switch (unaryExpressionNode.Operator)
{
case UnaryOperator.Negate:
{
switch (unaryExpressionNode.Operand.Type)
{
case NubIntType intType:
writer.WriteLine($"{result} = sub {MapType(intType)} 0, {operand}");
break;
case NubFloatType floatType:
writer.WriteLine($"{result} = fneg {MapType(floatType)} {operand}");
break;
default:
throw new UnreachableException();
}
break;
}
case UnaryOperator.Invert:
{
writer.WriteLine($"{result} = xor i1 {operand}, true");
break;
}
default:
{
throw new ArgumentOutOfRangeException();
}
}
return new Tmp(result, unaryExpressionNode.Type, false);
}
private Tmp EmitVariableIdentifier(IndentedTextWriter writer, VariableIdentifierNode variableIdentifierNode)
{
return new Tmp($"%{variableIdentifierNode.NameToken.Value}", variableIdentifierNode.Type, true);
}
private string StructName(StructNode structNode)
{
return StructName(_module, structNode.NameToken.Value);
@@ -949,11 +962,6 @@ public class LlvmGenerator
return $"struct.{module}.{name}";
}
private string FuncName(FuncPrototypeNode funcNodePrototype)
{
return FuncName(_module, funcNodePrototype.NameToken.Value, funcNodePrototype.ExternSymbolToken?.Value);
}
private string FuncName(string module, string name, string? externSymbol)
{
if (externSymbol != null)