nub31/nub-lang-archive-2
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

...

Browse Source
This commit is contained in:
nub31
2025-06-14 18:14:53 +02:00
parent 4a3de81d97
commit fef54cc538
1 changed files with 61 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

122
src/Generation/QBE/QBEGenerator.cs
View File

@@ -76,6 +76,16 @@ public static class QBEGenerator
return _builder.ToString();
}
private static string VarName()
{
return $"%v{++_variableIndex}";
}
private static string LabelName()
{
return $"@l{++_labelIndex}";
}
private static string FuncName(IFuncSignature func)
{
return func switch
@@ -393,19 +403,19 @@ public static class QBEGenerator
switch (primitiveType.Kind)
{
case PrimitiveTypeKind.I16:
parameterName = GenVarName();
parameterName = VarName();
_builder.AppendLine($" {parameterName} =w extsh %{parameter.Name}");
break;
case PrimitiveTypeKind.I8:
parameterName = GenVarName();
parameterName = VarName();
_builder.AppendLine($" {parameterName} =w extsb %{parameter.Name}");
break;
case PrimitiveTypeKind.U16:
parameterName = GenVarName();
parameterName = VarName();
_builder.AppendLine($" {parameterName} =w extuh %{parameter.Name}");
break;
case PrimitiveTypeKind.U8:
parameterName = GenVarName();
parameterName = VarName();
_builder.AppendLine($" {parameterName} =w extub %{parameter.Name}");
break;
}
@@ -514,13 +524,13 @@ public static class QBEGenerator
{
case NubArrayType arrayType:
{
var startName = GenVarName();
var startName = VarName();
_builder.AppendLine($" {startName} =l add {array}, 8");
var adjustedIndex = GenVarName();
var adjustedIndex = VarName();
_builder.AppendLine($" {adjustedIndex} =l mul {index}, {SizeOf(arrayType.ElementType)}");
var pointer = GenVarName();
var pointer = VarName();
_builder.AppendLine($" {pointer} =l add {startName}, {adjustedIndex}");
GenerateCopy(arrayType.ElementType, value, pointer);
@@ -528,13 +538,13 @@ public static class QBEGenerator
}
case NubFixedArrayType fixedArrayType:
{
var startName = GenVarName();
var startName = VarName();
_builder.AppendLine($" {startName} =l add {array}, 8");
var adjustedIndex = GenVarName();
var adjustedIndex = VarName();
_builder.AppendLine($" {adjustedIndex} =l mul {index}, {SizeOf(fixedArrayType.ElementType)}");
var pointer = GenVarName();
var pointer = VarName();
_builder.AppendLine($" {pointer} =l add {startName}, {adjustedIndex}");
GenerateCopy(fixedArrayType.ElementType, value, pointer);
@@ -593,9 +603,9 @@ public static class QBEGenerator
private static void GenerateIf(IfNode ifStatement)
{
var trueLabel = GenLabelName();
var falseLabel = GenLabelName();
var endLabel = GenLabelName();
var trueLabel = LabelName();
var falseLabel = LabelName();
var endLabel = LabelName();
var result = GenerateExpression(ifStatement.Condition);
_builder.AppendLine($" jnz {result}, {trueLabel}, {falseLabel}");
@@ -624,7 +634,7 @@ public static class QBEGenerator
var offset = LookupMemberOffset(structDefinition, memberAssignment.MemberAccess.Member);
var item = GenerateExpression(memberAssignment.MemberAccess.Expression);
var pointer = GenVarName();
var pointer = VarName();
_builder.AppendLine($" {pointer} =l add {item}, {offset}");
@@ -649,7 +659,7 @@ public static class QBEGenerator
private static void GenerateVariableDeclaration(VariableDeclarationNode variableDeclaration)
{
var type = variableDeclaration.ExplicitType.Value ?? variableDeclaration.Value.Value!.Type;
var pointer = GenVarName();
var pointer = VarName();
_builder.AppendLine($" {pointer} =l alloc8 {SizeOf(type)}");
if (variableDeclaration.Value.HasValue)
@@ -659,7 +669,7 @@ public static class QBEGenerator
}
else
{
var pointerName = GenVarName();
var pointerName = VarName();
_variables.Push((variableDeclaration.Name, pointerName));
}
@@ -675,9 +685,9 @@ public static class QBEGenerator
private static void GenerateWhile(WhileNode whileStatement)
{
var conditionLabel = GenLabelName();
var iterationLabel = GenLabelName();
var endLabel = GenLabelName();
var conditionLabel = LabelName();
var iterationLabel = LabelName();
var endLabel = LabelName();
_breakLabels.Push(endLabel);
_continueLabels.Push(conditionLabel);
@@ -719,7 +729,7 @@ public static class QBEGenerator
{
var name = $"$anon_func{++_anonymousFuncIndex}";
_anonymousFunctions.Enqueue((anonymousFunc, name));
var pointer = GenVarName();
var pointer = VarName();
_builder.AppendLine($" {pointer} =l alloc8 8");
_builder.AppendLine($" storel {name}, {pointer}");
return pointer;
@@ -735,21 +745,21 @@ public static class QBEGenerator
{
case NubArrayType arrayType:
{
var firstItemPointerName = GenVarName();
var firstItemPointerName = VarName();
_builder.AppendLine($" {firstItemPointerName} =l add {array}, 8");
var offsetPointerName = GenVarName();
var offsetPointerName = VarName();
_builder.AppendLine($" {offsetPointerName} =l mul {index}, {SizeOf(arrayType.ElementType)}");
var resultPointerName = GenVarName();
var resultPointerName = VarName();
_builder.AppendLine($" {resultPointerName} =l add {firstItemPointerName}, {offsetPointerName}");
return resultPointerName;
}
case NubFixedArrayType fixedArrayType:
{
var firstItemPointerName = GenVarName();
var firstItemPointerName = VarName();
_builder.AppendLine($" {firstItemPointerName} =l add {array}, 8");
var offsetPointerName = GenVarName();
var offsetPointerName = VarName();
_builder.AppendLine($" {offsetPointerName} =l mul {index}, {SizeOf(fixedArrayType.ElementType)}");
var resultPointerName = GenVarName();
var resultPointerName = VarName();
_builder.AppendLine($" {resultPointerName} =l add {firstItemPointerName}, {offsetPointerName}");
return resultPointerName;
}
@@ -770,7 +780,7 @@ public static class QBEGenerator
}
else
{
var outputName = GenVarName();
var outputName = VarName();
_builder.AppendLine($" {outputName} {QBEAssign(arrayIndexAccess.Type)} {QBELoad(arrayIndexAccess.Type)} {pointerName}");
return outputName;
}
@@ -778,20 +788,20 @@ public static class QBEGenerator
private static void GenerateArrayBoundsCheck(string array, string index)
{
var countName = GenVarName();
var countName = VarName();
_builder.AppendLine($" {countName} =l loadl {array}");
var isNegativeName = GenVarName();
var isNegativeName = VarName();
_builder.AppendLine($" {isNegativeName} =w csltl {index}, 0");
var isOobName = GenVarName();
var isOobName = VarName();
_builder.AppendLine($" {isOobName} =w csgel {index}, {countName}");
var anyOobName = GenVarName();
var anyOobName = VarName();
_builder.AppendLine($" {anyOobName} =w or {isNegativeName}, {isOobName}");
var oobLabel = GenLabelName();
var notOobLabel = GenLabelName();
var oobLabel = LabelName();
var notOobLabel = LabelName();
_builder.AppendLine($" jnz {anyOobName}, {oobLabel}, {notOobLabel}");
_builder.AppendLine(oobLabel);
@@ -804,15 +814,15 @@ public static class QBEGenerator
{
var capacity = GenerateExpression(arrayInitializer.Capacity);
var elementSize = SizeOf(arrayInitializer.ElementType);
var capacityInBytes = GenVarName();
var capacityInBytes = VarName();
_builder.AppendLine($" {capacityInBytes} =l mul {capacity}, {elementSize}");
var totalArraySize = GenVarName();
var totalArraySize = VarName();
_builder.AppendLine($" {totalArraySize} =l add {capacityInBytes}, 8");
var outputName = GenVarName();
var outputName = VarName();
_builder.AppendLine($" {outputName} =l alloc8 {totalArraySize}");
_builder.AppendLine($" storel {capacity}, {outputName}");
var dataPtr = GenVarName();
var dataPtr = VarName();
_builder.AppendLine($" {dataPtr} =l add {outputName}, 8");
_builder.AppendLine($" call $nub_memset(l {dataPtr}, w 0, l {capacityInBytes})");
@@ -822,7 +832,7 @@ public static class QBEGenerator
private static string GenerateDereference(DereferenceNode dereference)
{
var result = GenerateExpression(dereference.Expression);
var outputName = GenVarName();
var outputName = VarName();
_builder.AppendLine($" {outputName} {QBEAssign(dereference.Type)} {QBELoad(dereference.Type)} {result}");
return outputName;
}
@@ -852,7 +862,7 @@ public static class QBEGenerator
{
var left = GenerateExpression(binaryExpression.Left);
var right = GenerateExpression(binaryExpression.Right);
var outputName = GenVarName();
var outputName = VarName();
switch (binaryExpression.Operator)
{
@@ -1078,7 +1088,7 @@ public static class QBEGenerator
{
if (_definitionTable.LookupFunc(identifier.Namespace.Or(_compilationUnit.Namespace), identifier.Name).TryGetValue(out var func))
{
var pointer = GenVarName();
var pointer = VarName();
_builder.AppendLine($" {pointer} =l alloc8 8");
_builder.AppendLine($" storel {FuncName(func)}, {pointer}");
return pointer;
@@ -1139,7 +1149,7 @@ public static class QBEGenerator
{
var structDefinition = _definitionTable.LookupStruct(structInitializer.StructType.Namespace, structInitializer.StructType.Name).GetValue();
var structVar = GenVarName();
var structVar = VarName();
var size = SizeOf(structInitializer.StructType);
_builder.AppendLine($" {structVar} =l alloc8 {size}");
@@ -1150,14 +1160,14 @@ public static class QBEGenerator
if (structInitializer.Initializers.TryGetValue(field.Name, out var fieldValue))
{
var value = GenerateExpression(fieldValue);
var pointer = GenVarName();
var pointer = VarName();
_builder.AppendLine($" {pointer} =l add {structVar}, {offset}");
GenerateCopy(field.Type, value, pointer);
}
else if (field.Value.HasValue)
{
var value = GenerateExpression(field.Value.Value);
var pointer = GenVarName();
var pointer = VarName();
_builder.AppendLine($" {pointer} =l add {structVar}, {offset}");
GenerateCopy(field.Type, value, pointer);
}
@@ -1173,7 +1183,7 @@ public static class QBEGenerator
private static string GenerateUnaryExpression(UnaryExpressionNode unaryExpression)
{
var operand = GenerateExpression(unaryExpression.Operand);
var outputName = GenVarName();
var outputName = VarName();
switch (unaryExpression.Operator)
{
@@ -1236,7 +1246,7 @@ public static class QBEGenerator
var structDefinition = _definitionTable.LookupStruct(structType.Namespace, structType.Name).GetValue();
var offset = LookupMemberOffset(structDefinition, memberAccess.Member);
var offsetName = GenVarName();
var offsetName = VarName();
_builder.AppendLine($" {offsetName} =l add {item}, {offset}");
return offsetName;
}
@@ -1257,7 +1267,7 @@ public static class QBEGenerator
}
else
{
var outputName = GenVarName();
var outputName = VarName();
_builder.AppendLine($" {outputName} {QBEAssign(memberAccess.Type)} {QBELoad(memberAccess.Type)} {pointer}");
return outputName;
}
@@ -1266,12 +1276,12 @@ public static class QBEGenerator
private static string GenerateFixedArrayInitializer(FixedArrayInitializerNode fixedArrayInitializer)
{
var totalSize = SizeOf(fixedArrayInitializer.Type);
var outputName = GenVarName();
var outputName = VarName();
_builder.AppendLine($" {outputName} =l alloc8 {totalSize}");
_builder.AppendLine($" storel {fixedArrayInitializer.Capacity}, {outputName}");
var dataPtr = GenVarName();
var dataPtr = VarName();
_builder.AppendLine($" {dataPtr} =l add {outputName}, 8");
var dataSize = totalSize - 8;
@@ -1326,14 +1336,14 @@ public static class QBEGenerator
else
{
var funcPointerPointer = GenerateExpression(funcCall.Expression);
var funcPointer = GenVarName();
var funcPointer = VarName();
_builder.AppendLine($" {funcPointer} =l loadl {funcPointerPointer}");
funcTarget = funcPointer;
}
if (funcType.ReturnType is not NubVoidType)
{
var outputName = GenVarName();
var outputName = VarName();
_builder.AppendLine($" {outputName} {QBEAssign(funcCall.Type)} call {funcTarget}({string.Join(", ", parameterStrings)})");
return outputName;
}
@@ -1364,22 +1374,12 @@ public static class QBEGenerator
}
else
{
var result = GenVarName();
var result = VarName();
_builder.AppendLine($" {result} {QBEAssign(type)} {QBELoad(type)} {pointer}");
return result;
}
}
private static string GenVarName()
{
return $"%v{++_variableIndex}";
}
private static string GenLabelName()
{
return $"@l{++_labelIndex}";
}
private static int LookupMemberOffset(StructDefinitionNode structDefinition, string member)
{
var offset = 0;