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This commit is contained in:
Oliver Stene
2026-02-08 20:26:11 +01:00
parent 6f03e2203f
commit b31a2d01c6
3 changed files with 50 additions and 15 deletions
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39
compiler/Compiler/Generator.cs
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@@ -185,10 +185,11 @@ public sealed class Generator(List<NodeDefinition> nodes)
return node switch
{
NodeExpressionBinary expression => EmitExpressionBinary(expression),
NodeExpressionUnary expression => EmitExpressionUnary(expression),
NodeExpressionBoolLiteral expression => expression.Value.Value ? "true" : "false",
NodeExpressionIntLiteral expression => expression.Value.Value.ToString(),
NodeExpressionStringLiteral expression => $"(struct string){{ \"{expression.Value.Value}\", {expression.Value.Value.Length} }}",
NodeExpressionStructLiteral expression => EmitStructLiteral(expression),
NodeExpressionStructLiteral expression => EmitExpressionStructLiteral(expression),
NodeExpressionMemberAccess expression => EmitExpressionMemberAccess(expression),
NodeExpressionIdent expression => expression.Value.Ident,
_ => throw new ArgumentOutOfRangeException(nameof(node), node, null)
@@ -221,23 +222,19 @@ public sealed class Generator(List<NodeDefinition> nodes)
};
}
private static string CType(NodeType node, string? varName = null)
private string EmitExpressionUnary(NodeExpressionUnary expression)
{
return node switch
var target = EmitExpression(expression.Target);
return expression.Operation switch
{
NodeTypeVoid => "void" + (varName != null ? $" {varName}" : ""),
NodeTypeBool => "bool" + (varName != null ? $" {varName}" : ""),
NodeTypeCustom type => $"struct {type.Name.Ident}" + (varName != null ? $" {varName}" : ""),
NodeTypeSInt type => $"int{type.Width}_t" + (varName != null ? $" {varName}" : ""),
NodeTypeUInt type => $"uint{type.Width}_t" + (varName != null ? $" {varName}" : ""),
NodeTypePointer type => CType(type.To) + (varName != null ? $" *{varName}" : "*"),
NodeTypeString => "struct string" + (varName != null ? $" {varName}" : ""),
NodeTypeFunc type => $"{CType(type.ReturnType)} (*{varName})({string.Join(", ", type.Parameters.Select(p => CType(p)))})",
_ => throw new ArgumentOutOfRangeException(nameof(node), node, null)
NodeExpressionUnary.Op.Negate => $"(-{target})",
NodeExpressionUnary.Op.Invert => $"(!{target})",
_ => throw new ArgumentOutOfRangeException()
};
}
private string EmitStructLiteral(NodeExpressionStructLiteral expression)
private string EmitExpressionStructLiteral(NodeExpressionStructLiteral expression)
{
var initializerValues = new Dictionary<string, string>();
@@ -257,6 +254,22 @@ public sealed class Generator(List<NodeDefinition> nodes)
var target = EmitExpression(expression.Target);
return $"{target}.{expression.Name.Ident}";
}
private static string CType(NodeType node, string? varName = null)
{
return node switch
{
NodeTypeVoid => "void" + (varName != null ? $" {varName}" : ""),
NodeTypeBool => "bool" + (varName != null ? $" {varName}" : ""),
NodeTypeCustom type => $"struct {type.Name.Ident}" + (varName != null ? $" {varName}" : ""),
NodeTypeSInt type => $"int{type.Width}_t" + (varName != null ? $" {varName}" : ""),
NodeTypeUInt type => $"uint{type.Width}_t" + (varName != null ? $" {varName}" : ""),
NodeTypePointer type => CType(type.To) + (varName != null ? $" *{varName}" : "*"),
NodeTypeString => "struct string" + (varName != null ? $" {varName}" : ""),
NodeTypeFunc type => $"{CType(type.ReturnType)} (*{varName})({string.Join(", ", type.Parameters.Select(p => CType(p)))})",
_ => throw new ArgumentOutOfRangeException(nameof(node), node, null)
};
}
}
internal class IndentedTextWriter