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Type syntax when parsing

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nub31
2025-07-09 20:29:10 +02:00
parent b3c647840c
commit 0aa0911b0f
6 changed files with 65 additions and 52 deletions
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24
src/compiler/NubLang/NubType.cs
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@@ -96,8 +96,8 @@ public abstract class NubSimpleType : NubType
public class NubFuncType(NubType returnType, List<NubType> parameters) : NubSimpleType
{
public NubType ReturnType { get; } = returnType;
public List<NubType> Parameters { get; } = parameters;
public NubType ReturnType { get; } = returnType;
public override StorageSize StorageSize => StorageSize.U64;
@@ -225,11 +225,10 @@ public class NubStringType : NubComplexType
public override int GetHashCode() => HashCode.Combine(typeof(NubStringType));
}
public class NubCustomType(string @namespace, string name, IReadOnlyList<NubType> parameters) : NubComplexType
public class NubCustomType(string @namespace, string name) : NubComplexType
{
public string Namespace { get; } = @namespace;
public string Name { get; } = name;
public IReadOnlyList<NubType> Parameters { get; } = parameters;
public CustomTypeKind Kind(BoundDefinitionTable definitionTable)
{
@@ -289,22 +288,9 @@ public class NubCustomType(string @namespace, string name, IReadOnlyList<NubType
}
}
public override string ToString() => $"{Namespace}::{Name}{(Parameters.Any() ? $"<{string.Join(",", Parameters)}>" : "")}";
public override bool Equals(NubType? other) => other is NubCustomType custom && Namespace == custom.Namespace && Name == custom.Name && Parameters.SequenceEqual(custom.Parameters);
public override int GetHashCode()
{
var hash = new HashCode();
hash.Add(typeof(NubFuncType));
hash.Add(Namespace);
hash.Add(Name);
foreach (var param in Parameters)
{
hash.Add(param);
}
return hash.ToHashCode();
}
public override string ToString() => $"{Namespace}::{Name}";
public override bool Equals(NubType? other) => other is NubCustomType custom && Namespace == custom.Namespace && Name == custom.Name;
public override int GetHashCode() => HashCode.Combine(typeof(NubCustomType), Namespace, Name);
}
public enum CustomTypeKind

8
src/compiler/NubLang/Syntax/Parsing/Node/DefinitionSyntax.cs
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@@ -7,15 +7,15 @@ public abstract record DefinitionSyntax(IReadOnlyList<Token> Tokens, string Name
public abstract record DefinitionMemberSyntax(IReadOnlyList<Token> Tokens) : SyntaxNode(Tokens);
public record FuncParameterSyntax(IReadOnlyList<Token> Tokens, string Name, NubType Type) : DefinitionMemberSyntax(Tokens);
public record FuncParameterSyntax(IReadOnlyList<Token> Tokens, string Name, TypeSyntax Type) : DefinitionMemberSyntax(Tokens);
public record FuncSignatureSyntax(IReadOnlyList<Token> Tokens, IReadOnlyList<FuncParameterSyntax> Parameters, NubType ReturnType) : DefinitionMemberSyntax(Tokens);
public record FuncSignatureSyntax(IReadOnlyList<Token> Tokens, IReadOnlyList<FuncParameterSyntax> Parameters, TypeSyntax ReturnType) : DefinitionMemberSyntax(Tokens);
public record LocalFuncSyntax(IReadOnlyList<Token> Tokens, string Namespace, string Name, FuncSignatureSyntax Signature, BlockSyntax Body) : DefinitionSyntax(Tokens, Namespace);
public record ExternFuncSyntax(IReadOnlyList<Token> Tokens, string Namespace, string Name, string CallName, FuncSignatureSyntax Signature) : DefinitionSyntax(Tokens, Namespace);
public record StructFieldSyntax(IReadOnlyList<Token> Tokens, int Index, string Name, NubType Type, Optional<ExpressionSyntax> Value) : DefinitionMemberSyntax(Tokens);
public record StructFieldSyntax(IReadOnlyList<Token> Tokens, int Index, string Name, TypeSyntax Type, Optional<ExpressionSyntax> Value) : DefinitionMemberSyntax(Tokens);
public record StructSyntax(IReadOnlyList<Token> Tokens, string Namespace, string Name, IReadOnlyList<StructFieldSyntax> Fields) : DefinitionSyntax(Tokens, Namespace);
@@ -25,4 +25,4 @@ public record TraitSyntax(IReadOnlyList<Token> Tokens, string Namespace, string
public record TraitFuncImplSyntax(IReadOnlyList<Token> Tokens, string Name, FuncSignatureSyntax Signature, BlockSyntax Body) : DefinitionMemberSyntax(Tokens);
public record TraitImplSyntax(IReadOnlyList<Token> Tokens, string Namespace, NubType TraitType, NubType ForType, IReadOnlyList<TraitFuncImplSyntax> Functions) : DefinitionSyntax(Tokens, Namespace);
public record TraitImplSyntax(IReadOnlyList<Token> Tokens, string Namespace, TypeSyntax TraitType, TypeSyntax ForType, IReadOnlyList<TraitFuncImplSyntax> Functions) : DefinitionSyntax(Tokens, Namespace);

4
src/compiler/NubLang/Syntax/Parsing/Node/ExpressionSyntax.cs
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@@ -33,7 +33,7 @@ public record FuncCallSyntax(IReadOnlyList<Token> Tokens, ExpressionSyntax Expre
public record IdentifierSyntax(IReadOnlyList<Token> Tokens, Optional<string> Namespace, string Name) : ExpressionSyntax(Tokens);
public record ArrayInitializerSyntax(IReadOnlyList<Token> Tokens, ExpressionSyntax Capacity, NubType ElementType) : ExpressionSyntax(Tokens);
public record ArrayInitializerSyntax(IReadOnlyList<Token> Tokens, ExpressionSyntax Capacity, TypeSyntax ElementType) : ExpressionSyntax(Tokens);
public record ArrayIndexAccessSyntax(IReadOnlyList<Token> Tokens, ExpressionSyntax Target, ExpressionSyntax Index) : ExpressionSyntax(Tokens);
@@ -47,6 +47,6 @@ public record LiteralSyntax(IReadOnlyList<Token> Tokens, string Literal, Literal
public record MemberAccessSyntax(IReadOnlyList<Token> Tokens, ExpressionSyntax Target, string Member) : ExpressionSyntax(Tokens);
public record StructInitializerSyntax(IReadOnlyList<Token> Tokens, NubType StructType, Dictionary<string, ExpressionSyntax> Initializers) : ExpressionSyntax(Tokens);
public record StructInitializerSyntax(IReadOnlyList<Token> Tokens, TypeSyntax StructType, Dictionary<string, ExpressionSyntax> Initializers) : ExpressionSyntax(Tokens);
public record DereferenceSyntax(IReadOnlyList<Token> Tokens, ExpressionSyntax Expression) : ExpressionSyntax(Tokens);

2
src/compiler/NubLang/Syntax/Parsing/Node/StatementSyntax.cs
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@@ -13,7 +13,7 @@ public record AssignmentSyntax(IReadOnlyList<Token> Tokens, ExpressionSyntax Tar
public record IfSyntax(IReadOnlyList<Token> Tokens, ExpressionSyntax Condition, BlockSyntax Body, Optional<Variant<IfSyntax, BlockSyntax>> Else) : StatementSyntax(Tokens);
public record VariableDeclarationSyntax(IReadOnlyList<Token> Tokens, string Name, Optional<NubType> ExplicitType, Optional<ExpressionSyntax> Assignment) : StatementSyntax(Tokens);
public record VariableDeclarationSyntax(IReadOnlyList<Token> Tokens, string Name, Optional<TypeSyntax> ExplicitType, Optional<ExpressionSyntax> Assignment) : StatementSyntax(Tokens);
public record ContinueSyntax(IReadOnlyList<Token> Tokens) : StatementSyntax(Tokens);

23
src/compiler/NubLang/Syntax/Parsing/Node/TypeSyntax.cs Normal file
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@@ -0,0 +1,23 @@
using NubLang.Syntax.Tokenization;
namespace NubLang.Syntax.Parsing.Node;
public abstract record TypeSyntax(IReadOnlyList<Token> Tokens) : SyntaxNode(Tokens);
public record FuncTypeSyntax(IReadOnlyList<Token> Tokens, IReadOnlyList<TypeSyntax> Parameters, TypeSyntax ReturnType) : TypeSyntax(Tokens);
public record PointerTypeSyntax(IReadOnlyList<Token> Tokens, TypeSyntax BaseType) : TypeSyntax(Tokens);
public record VoidTypeSyntax(IReadOnlyList<Token> Tokens) : TypeSyntax(Tokens);
public record PrimitiveTypeSyntax(IReadOnlyList<Token> Tokens, PrimitiveTypeKind Kind) : TypeSyntax(Tokens);
public record CStringTypeSyntax(IReadOnlyList<Token> Tokens) : TypeSyntax(Tokens);
public record StringTypeSyntax(IReadOnlyList<Token> Tokens) : TypeSyntax(Tokens);
public record CustomTypeSyntax(IReadOnlyList<Token> Tokens, string Name, string Namespace) : TypeSyntax(Tokens);
public record TemplateTypeSyntax(IReadOnlyList<Token> Tokens, string Name, string Namespace, IReadOnlyList<TypeSyntax> Arguments) : TypeSyntax(Tokens);
public record ArrayTypeSyntax(IReadOnlyList<Token> Tokens, TypeSyntax BaseType) : TypeSyntax(Tokens);

56
src/compiler/NubLang/Syntax/Parsing/Parser.cs
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@@ -117,7 +117,7 @@ public sealed class Parser
}
}
var returnType = TryExpectSymbol(Symbol.Colon) ? ParseType() : new NubVoidType();
var returnType = TryExpectSymbol(Symbol.Colon) ? ParseType() : new VoidTypeSyntax([Peek().GetValue()]);
return new FuncSignatureSyntax(GetTokens(startIndex), parameters, returnType);
}
@@ -295,7 +295,7 @@ public sealed class Parser
ExpectSymbol(Symbol.Let);
var name = ExpectIdentifier().Value;
var explicitType = Optional<NubType>.Empty();
var explicitType = Optional<TypeSyntax>.Empty();
if (TryExpectSymbol(Symbol.Colon))
{
explicitType = ParseType();
@@ -649,30 +649,32 @@ public sealed class Parser
return new BlockSyntax(GetTokens(startIndex), statements);
}
private NubType ParseType()
private TypeSyntax ParseType()
{
var startIndex = _tokenIndex;
if (TryExpectIdentifier(out var name))
{
return name.Value switch
{
"void" => new NubVoidType(),
"string" => new NubStringType(),
"cstring" => new NubCStringType(),
"i64" => new NubPrimitiveType(PrimitiveTypeKind.I64),
"i32" => new NubPrimitiveType(PrimitiveTypeKind.I32),
"i16" => new NubPrimitiveType(PrimitiveTypeKind.I16),
"i8" => new NubPrimitiveType(PrimitiveTypeKind.I8),
"u64" => new NubPrimitiveType(PrimitiveTypeKind.U64),
"u32" => new NubPrimitiveType(PrimitiveTypeKind.U32),
"u16" => new NubPrimitiveType(PrimitiveTypeKind.U16),
"u8" => new NubPrimitiveType(PrimitiveTypeKind.U8),
"f64" => new NubPrimitiveType(PrimitiveTypeKind.F64),
"f32" => new NubPrimitiveType(PrimitiveTypeKind.F32),
"bool" => new NubPrimitiveType(PrimitiveTypeKind.Bool),
"void" => new VoidTypeSyntax(GetTokens(startIndex)),
"string" => new StringTypeSyntax(GetTokens(startIndex)),
"cstring" => new CStringTypeSyntax(GetTokens(startIndex)),
"i64" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.I64),
"i32" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.I32),
"i16" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.I16),
"i8" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.I8),
"u64" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.U64),
"u32" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.U32),
"u16" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.U16),
"u8" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.U8),
"f64" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.F64),
"f32" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.F32),
"bool" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeKind.Bool),
_ => ParseCustomType()
};
NubCustomType ParseCustomType()
TypeSyntax ParseCustomType()
{
var @namespace = _namespace;
if (TryExpectSymbol(Symbol.DoubleColon))
@@ -680,7 +682,7 @@ public sealed class Parser
@namespace = ExpectIdentifier().Value;
}
var parameters = new List<NubType>();
var parameters = new List<TypeSyntax>();
if (TryExpectSymbol(Symbol.LessThan))
{
@@ -688,22 +690,24 @@ public sealed class Parser
{
parameters.Add(ParseType());
}
return new TemplateTypeSyntax(GetTokens(startIndex), @namespace, name.Value, parameters);
}
return new NubCustomType(@namespace, name.Value, parameters);
return new CustomTypeSyntax(GetTokens(startIndex), @namespace, name.Value);
}
}
if (TryExpectSymbol(Symbol.Caret))
{
var baseType = ParseType();
return new NubPointerType(baseType);
return new PointerTypeSyntax(GetTokens(startIndex), baseType);
}
if (TryExpectSymbol(Symbol.Func))
{
ExpectSymbol(Symbol.OpenParen);
List<NubType> parameters = [];
List<TypeSyntax> parameters = [];
while (!TryExpectSymbol(Symbol.CloseParen))
{
var parameter = ParseType();
@@ -718,16 +722,16 @@ public sealed class Parser
}
}
var returnType = TryExpectSymbol(Symbol.Colon) ? ParseType() : new NubVoidType();
var returnType = TryExpectSymbol(Symbol.Colon) ? ParseType() : new VoidTypeSyntax(GetTokens(startIndex));
return new NubFuncType(returnType, parameters);
return new FuncTypeSyntax(GetTokens(startIndex), parameters, returnType);
}
if (TryExpectSymbol(Symbol.OpenBracket))
{
ExpectSymbol(Symbol.CloseBracket);
var baseType = ParseType();
return new NubArrayType(baseType);
return new ArrayTypeSyntax(GetTokens(startIndex), baseType);
}
if (!Peek().TryGetValue(out var peekToken))
@@ -735,7 +739,7 @@ public sealed class Parser
throw new ParseException(Diagnostic
.Error("Unexpected end of file while parsing type")
.WithHelp("Expected a type name")
.At(_tokens.Last())
.At(_tokens[^1])
.Build());
}