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Some cleanup

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This commit is contained in:
nub31
2025-10-16 15:48:04 +02:00
parent f7f32b8d23
commit bbbdf42c47
10 changed files with 95 additions and 1510 deletions
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110
compiler/NubLang/Generation/CGenerator.cs → compiler/NubLang/Generation/Generator.cs
View File

@@ -2,17 +2,17 @@ using NubLang.Ast;
namespace NubLang.Generation;
public class CGenerator
public class Generator
{
private readonly List<DefinitionNode> _definitions;
private readonly HashSet<NubStructType> _structTypes;
private readonly CWriter _writer;
private readonly IndentedTextWriter _writer;
public CGenerator(List<DefinitionNode> definitions, HashSet<NubStructType> structTypes)
public Generator(List<DefinitionNode> definitions, HashSet<NubStructType> structTypes)
{
_definitions = definitions;
_structTypes = structTypes;
_writer = new CWriter();
_writer = new IndentedTextWriter();
}
private static string MapType(NubType nubType)
@@ -114,7 +114,6 @@ public class CGenerator
""");
_writer.WriteLine();
_writer.WriteLine("// Struct definitions");
foreach (var structType in _structTypes)
{
_writer.WriteLine("typedef struct");
@@ -131,9 +130,11 @@ public class CGenerator
_writer.WriteLine();
}
_writer.WriteLine("// Function declarations");
var appendNewLine = false;
foreach (var funcNode in _definitions.OfType<FuncNode>())
{
appendNewLine = true;
var parameters = funcNode.Signature.Parameters.Count != 0
? string.Join(", ", funcNode.Signature.Parameters.Select(x => $"{MapType(x.Type)} {x.Name}"))
: "void";
@@ -142,12 +143,13 @@ public class CGenerator
_writer.WriteLine($"{MapType(funcNode.Signature.ReturnType)} {name}({parameters});");
}
_writer.WriteLine();
if (appendNewLine)
{
_writer.WriteLine();
}
_writer.WriteLine("// Struct function implementations");
foreach (var structNode in _definitions.OfType<StructNode>())
{
_writer.WriteLine($"// {structNode.Module}::{structNode.Name}");
foreach (var structFuncNode in structNode.Functions)
{
var parameters = structFuncNode.Signature.Parameters.Count != 0
@@ -157,12 +159,10 @@ public class CGenerator
var name = StructFuncName(structNode.Module, structNode.Name, structFuncNode.Name);
_writer.WriteLine($"{MapType(structFuncNode.Signature.ReturnType)} {name}({parameters})");
EmitBlock(structFuncNode.Body);
_writer.WriteLine();
}
}
_writer.WriteLine();
_writer.WriteLine("// Function implementations");
foreach (var funcNode in _definitions.OfType<FuncNode>())
{
if (funcNode.Body == null) continue;
@@ -229,7 +229,9 @@ public class CGenerator
private void EmitAssignment(AssignmentNode assignmentNode)
{
throw new NotImplementedException();
var target = EmitExpression(assignmentNode.Target);
var value = EmitExpression(assignmentNode.Value);
_writer.WriteLine($"{target} = {value};");
}
private void EmitBreak(BreakNode breakNode)
@@ -314,7 +316,7 @@ public class CGenerator
private string EmitExpression(ExpressionNode expressionNode)
{
return expressionNode switch
var expr = expressionNode switch
{
ArrayIndexAccessNode arrayIndexAccessNode => EmitArrayIndexAccess(arrayIndexAccessNode),
ArrayInitializerNode arrayInitializerNode => EmitArrayInitializer(arrayInitializerNode),
@@ -342,21 +344,53 @@ public class CGenerator
UnaryExpressionNode unaryExpressionNode => EmitUnaryExpression(unaryExpressionNode),
_ => throw new ArgumentOutOfRangeException(nameof(expressionNode))
};
return $"({expr})";
}
private string EmitArrayIndexAccess(ArrayIndexAccessNode arrayIndexAccessNode)
{
throw new NotImplementedException();
var array = EmitExpression(arrayIndexAccessNode.Target);
var index = EmitExpression(arrayIndexAccessNode.Index);
return $"(({MapType(arrayIndexAccessNode.Type)}*){array})[{index}]";
}
private string EmitArrayInitializer(ArrayInitializerNode arrayInitializerNode)
{
throw new NotImplementedException();
var capacity = EmitExpression(arrayInitializerNode.Capacity);
var elementType = MapType(arrayInitializerNode.ElementType);
return $"({elementType}[{capacity}]){{0}}";
}
private string EmitBinaryExpression(BinaryExpressionNode binaryExpressionNode)
{
throw new NotImplementedException();
var left = EmitExpression(binaryExpressionNode.Left);
var right = EmitExpression(binaryExpressionNode.Right);
var op = binaryExpressionNode.Operator switch
{
BinaryOperator.Plus => "+",
BinaryOperator.Minus => "-",
BinaryOperator.Multiply => "*",
BinaryOperator.Divide => "/",
BinaryOperator.Modulo => "%",
BinaryOperator.Equal => "==",
BinaryOperator.NotEqual => "!=",
BinaryOperator.LessThan => "<",
BinaryOperator.LessThanOrEqual => "<=",
BinaryOperator.GreaterThan => ">",
BinaryOperator.GreaterThanOrEqual => ">=",
BinaryOperator.LogicalAnd => "&&",
BinaryOperator.LogicalOr => "||",
BinaryOperator.BitwiseAnd => "&",
BinaryOperator.BitwiseOr => "|",
BinaryOperator.BitwiseXor => "^",
BinaryOperator.LeftShift => "<<",
BinaryOperator.RightShift => ">>",
_ => throw new ArgumentOutOfRangeException()
};
return $"{left} {op} {right}";
}
private string EmitBoolLiteral(BoolLiteralNode boolLiteralNode)
@@ -366,12 +400,14 @@ public class CGenerator
private string EmitConvertFloat(ConvertFloatNode convertFloatNode)
{
throw new NotImplementedException();
var value = EmitExpression(convertFloatNode.Value);
return $"({MapType(convertFloatNode.Type)}){value}";
}
private string EmitConvertInt(ConvertIntNode convertIntNode)
{
throw new NotImplementedException();
var value = EmitExpression(convertIntNode.Value);
return $"({MapType(convertIntNode.Type)}){value}";
}
private string EmitCStringLiteral(CStringLiteralNode cStringLiteralNode)
@@ -381,22 +417,36 @@ public class CGenerator
private string EmitDereference(DereferenceNode dereferenceNode)
{
throw new NotImplementedException();
var pointer = EmitExpression(dereferenceNode.Target);
return $"*({MapType(dereferenceNode.Type)}*){pointer}";
}
private string EmitFloat32Literal(Float32LiteralNode float32LiteralNode)
{
throw new NotImplementedException();
var str = float32LiteralNode.Value.ToString("G9", System.Globalization.CultureInfo.InvariantCulture);
if (!str.Contains('.') && !str.Contains('e') && !str.Contains('E'))
{
str += ".0";
}
return str + "f";
}
private string EmitFloat64Literal(Float64LiteralNode float64LiteralNode)
{
throw new NotImplementedException();
var str = float64LiteralNode.Value.ToString("G17", System.Globalization.CultureInfo.InvariantCulture);
if (!str.Contains('.') && !str.Contains('e') && !str.Contains('E'))
{
str += ".0";
}
return str;
}
private string EmitFloatToIntBuiltin(FloatToIntBuiltinNode floatToIntBuiltinNode)
{
throw new NotImplementedException();
var value = EmitExpression(floatToIntBuiltinNode.Value);
return $"({MapType(floatToIntBuiltinNode.Type)}){value}";
}
private string EmitFuncCall(FuncCallNode funcCallNode)
@@ -426,22 +476,23 @@ public class CGenerator
private string EmitAddressOf(AddressOfNode addressOfNode)
{
throw new NotImplementedException();
var value = EmitExpression(addressOfNode.LValue);
return $"(uintptr_t)&{value}";
}
private string EmitLValueIdentifier(LValueIdentifierNode lValueIdentifierNode)
{
throw new NotImplementedException();
return lValueIdentifierNode.Name;
}
private string EmitRValueIdentifier(RValueIdentifierNode rValueIdentifierNode)
{
throw new NotImplementedException();
return rValueIdentifierNode.Name;
}
private string EmitSizeBuiltin(SizeBuiltinNode sizeBuiltinNode)
{
throw new NotImplementedException();
return $"sizeof({MapType(sizeBuiltinNode.TargetType)})";
}
private string EmitStringLiteral(StringLiteralNode stringLiteralNode)
@@ -451,7 +502,8 @@ public class CGenerator
private string EmitStructFieldAccess(StructFieldAccessNode structFieldAccessNode)
{
throw new NotImplementedException();
var structExpr = EmitExpression(structFieldAccessNode.Target);
return $"{structExpr}.{structFieldAccessNode.Field}";
}
private string EmitStructFuncCall(StructFuncCallNode structFuncCallNode)
@@ -474,7 +526,7 @@ public class CGenerator
? "0"
: string.Join(", ", initValues);
return $"({MapType(structInitializerNode.Type)}){{ {initString} }}";
return $"({MapType(structInitializerNode.Type)}){{{initString}}}";
}
private string EmitUIntLiteral(UIntLiteralNode uIntLiteralNode)

6
compiler/NubLang/Generation/CWriter.cs → compiler/NubLang/Generation/IndentedTextWriter.cs
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@@ -2,7 +2,7 @@ using System.Text;
namespace NubLang.Generation;
internal class CWriter
internal class IndentedTextWriter
{
private readonly StringBuilder _builder = new();
private int _indentLevel;
@@ -52,10 +52,10 @@ internal class CWriter
private class IndentScope : IDisposable
{
private readonly CWriter _writer;
private readonly IndentedTextWriter _writer;
private bool _disposed;
public IndentScope(CWriter writer)
public IndentScope(IndentedTextWriter writer)
{
_writer = writer;
}

1270
compiler/NubLang/Generation/QBEGenerator.cs
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File diff suppressed because it is too large Load Diff

39
compiler/NubLang/Generation/QBEWriter.cs
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@@ -1,39 +0,0 @@
using System.Text;
namespace NubLang.Generation;
internal class QBEWriter
{
private readonly StringBuilder _builder = new();
public void Indented(string value)
{
_builder.Append('\t');
_builder.AppendLine(value);
}
public void Comment(string comment)
{
_builder.AppendLine("# " + comment);
}
public void WriteLine(string text)
{
_builder.AppendLine(text);
}
public void Write(string text)
{
_builder.Append(text);
}
public void NewLine()
{
_builder.AppendLine();
}
public override string ToString()
{
return _builder.ToString();
}
}