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nub31
2025-10-20 20:15:29 +02:00
parent e7be972c06
commit 70551ef9eb
10 changed files with 125 additions and 70 deletions
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47
compiler/NubLang/Generation/Generator.cs
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@@ -22,7 +22,7 @@ public class Generator
return $"_t{++_tmpIndex}";
}
private string MapNameWithType(NubType nubType, string name)
private static string MapNameWithType(NubType nubType, string name)
{
var prefix = "";
var postfix = "";
@@ -46,8 +46,9 @@ public class Generator
{
return type switch
{
NubSliceType sliceType => throw new NotImplementedException(),
NubConstArrayType constArrayType => MapBaseType(constArrayType.ElementType),
NubArrayType arrayType => MapBaseType(arrayType.ElementType),
NubConstArrayType arrayType => MapBaseType(arrayType.ElementType),
NubBoolType => "bool",
NubCStringType => "char",
NubFloatType floatType => floatType.Width switch
@@ -121,6 +122,22 @@ public class Generator
_writer.WriteLine();
// note(nub31): declare extern functions
foreach (var funcNode in _compilationUnit.Functions)
{
if (funcNode.Body != null) continue;
EmitLine(funcNode.Tokens.FirstOrDefault());
var parameters = funcNode.Prototype.Parameters.Count != 0
? string.Join(", ", funcNode.Prototype.Parameters.Select(x => MapNameWithType(x.Type, x.Name)))
: "void";
var name = FuncName(funcNode.Module, funcNode.Name, funcNode.Prototype.ExternSymbol);
_writer.WriteLine($"{MapNameWithType(funcNode.Prototype.ReturnType, name)}({parameters});");
}
_writer.WriteLine();
// note(nub31): Normal functions
foreach (var funcNode in _compilationUnit.Functions)
{
@@ -317,7 +334,7 @@ public class Generator
private void EmitVariableDeclaration(VariableDeclarationNode variableDeclarationNode)
{
if (variableDeclarationNode.Assignment != null)
if (variableDeclarationNode.Assignment is { Type: not NubArrayType and not NubConstArrayType })
{
var value = EmitExpression(variableDeclarationNode.Assignment);
_writer.WriteLine($"{MapNameWithType(variableDeclarationNode.Type, variableDeclarationNode.Name)} = {value};");
@@ -343,6 +360,8 @@ public class Generator
ArrayInitializerNode arrayInitializerNode => EmitArrayInitializer(arrayInitializerNode),
BinaryExpressionNode binaryExpressionNode => EmitBinaryExpression(binaryExpressionNode),
BoolLiteralNode boolLiteralNode => EmitBoolLiteral(boolLiteralNode),
ConstArrayIndexAccessNode constArrayIndexAccessNode => EmitConstArrayIndexAccess(constArrayIndexAccessNode),
ConstArrayInitializerNode constArrayInitializerNode => EmitConstArrayInitializer(constArrayInitializerNode),
ConvertFloatNode convertFloatNode => EmitConvertFloat(convertFloatNode),
ConvertIntNode convertIntNode => EmitConvertInt(convertIntNode),
CStringLiteralNode cStringLiteralNode => EmitCStringLiteral(cStringLiteralNode),
@@ -357,6 +376,7 @@ public class Generator
LValueIdentifierNode lValueIdentifierNode => EmitLValueIdentifier(lValueIdentifierNode),
RValueIdentifierNode rValueIdentifierNode => EmitRValueIdentifier(rValueIdentifierNode),
SizeBuiltinNode sizeBuiltinNode => EmitSizeBuiltin(sizeBuiltinNode),
SliceIndexAccessNode sliceIndexAccessNode => EmitSliceArrayIndexAccess(sliceIndexAccessNode),
StringLiteralNode stringLiteralNode => EmitStringLiteral(stringLiteralNode),
StructFieldAccessNode structFieldAccessNode => EmitStructFieldAccess(structFieldAccessNode),
StructInitializerNode structInitializerNode => EmitStructInitializer(structInitializerNode),
@@ -416,6 +436,19 @@ public class Generator
return boolLiteralNode.Value ? "true" : "false";
}
private string EmitConstArrayIndexAccess(ConstArrayIndexAccessNode constArrayIndexAccessNode)
{
var array = EmitExpression(constArrayIndexAccessNode.Target);
var index = EmitExpression(constArrayIndexAccessNode.Index);
// todo(nub31): We can emit bounds checking here
return $"{array}[{index}]";
}
private string EmitConstArrayInitializer(ConstArrayInitializerNode constArrayInitializerNode)
{
return string.Empty;
}
private string EmitConvertFloat(ConvertFloatNode convertFloatNode)
{
var value = EmitExpression(convertFloatNode.Value);
@@ -544,6 +577,14 @@ public class Generator
throw new NotImplementedException();
}
private string EmitSliceArrayIndexAccess(SliceIndexAccessNode sliceIndexAccessNode)
{
var value = EmitExpression(sliceIndexAccessNode.Target);
var index = EmitExpression(sliceIndexAccessNode.Index);
// todo(nub31): We can emit bounds checking here
return $"{value}.data[{index}]";
}
private string EmitStringLiteral(StringLiteralNode stringLiteralNode)
{
throw new NotImplementedException();