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nub31
2025-09-20 18:17:40 +02:00
parent 7e8ca4171d
commit def567ce4b
10 changed files with 292 additions and 85 deletions
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72
compiler/NubLang/Parsing/Parser.cs
View File

@@ -163,10 +163,20 @@ public sealed class Parser
return new FuncSyntax(GetTokens(startIndex), name.Value, exported, externSymbol, signature, body);
}
private StructSyntax ParseStruct(int startIndex, bool exported)
private DefinitionSyntax ParseStruct(int startIndex, bool exported)
{
var name = ExpectIdentifier();
var templateArguments = new List<string>();
if (TryExpectSymbol(Symbol.LessThan))
{
while (!TryExpectSymbol(Symbol.GreaterThan))
{
templateArguments.Add(ExpectIdentifier().Value);
TryExpectSymbol(Symbol.Comma);
}
}
ExpectSymbol(Symbol.OpenBrace);
List<StructFieldSyntax> fields = [];
@@ -207,6 +217,11 @@ public sealed class Parser
}
}
if (templateArguments.Count > 0)
{
return new StructTemplateSyntax(GetTokens(startIndex), templateArguments, name.Value, exported, fields, funcs);
}
return new StructSyntax(GetTokens(startIndex), name.Value, exported, fields, funcs);
}
@@ -462,6 +477,7 @@ public sealed class Parser
Symbol.OpenBracket => ParseArrayInitializer(startIndex),
Symbol.OpenBrace => new StructInitializerSyntax(GetTokens(startIndex), Optional<TypeSyntax>.Empty(), ParseStructInitializerBody()),
Symbol.Struct => ParseStructInitializer(startIndex),
Symbol.At => ParseCompilerMacro(startIndex),
_ => throw new ParseException(Diagnostic
.Error($"Unexpected symbol '{symbolToken.Symbol}' in expression")
.WithHelp("Expected '(', '-', '!', '[' or '{'")
@@ -478,6 +494,34 @@ public sealed class Parser
return ParsePostfixOperators(expr);
}
private ExpressionSyntax ParseCompilerMacro(int startIndex)
{
var name = ExpectIdentifier();
ExpectSymbol(Symbol.OpenParen);
switch (name.Value)
{
case "size":
{
var type = ParseType();
ExpectSymbol(Symbol.CloseParen);
return new SizeCompilerMacroSyntax(GetTokens(startIndex), type);
}
case "interpret":
{
var type = ParseType();
ExpectSymbol(Symbol.Comma);
var expression = ParseExpression();
ExpectSymbol(Symbol.CloseParen);
return new InterpretCompilerMacroSyntax(GetTokens(startIndex), type, expression);
}
default:
{
throw new ParseException(Diagnostic.Error("Unknown compiler macro").At(name).Build());
}
}
}
private ExpressionSyntax ParseIdentifier(int startIndex, IdentifierToken identifier)
{
if (TryExpectSymbol(Symbol.DoubleColon))
@@ -612,7 +656,7 @@ public sealed class Parser
ExpectSymbol(Symbol.OpenBrace);
return ParseBlock(startIndex);
}
private BlockSyntax ParseBlock(int startIndex)
{
List<StatementSyntax> statements = [];
@@ -699,13 +743,31 @@ public sealed class Parser
return new BoolTypeSyntax(GetTokens(startIndex));
default:
{
var module = _moduleName;
if (TryExpectSymbol(Symbol.DoubleColon))
{
var customTypeName = ExpectIdentifier().Value;
return new CustomTypeSyntax(GetTokens(startIndex), name.Value, customTypeName);
var customTypeName = ExpectIdentifier();
module = name.Value;
name = customTypeName;
}
return new CustomTypeSyntax(GetTokens(startIndex), _moduleName, name.Value);
var templateParameters = new List<TypeSyntax>();
if (TryExpectSymbol(Symbol.LessThan))
{
while (!TryExpectSymbol(Symbol.GreaterThan))
{
templateParameters.Add(ParseType());
TryExpectSymbol(Symbol.Comma);
}
}
if (templateParameters.Count > 0)
{
return new TemplateTypeSyntax(GetTokens(startIndex), templateParameters, module, name.Value);
}
return new CustomTypeSyntax(GetTokens(startIndex), module, name.Value);
}
}
}

4
compiler/NubLang/Parsing/Syntax/DefinitionSyntax.cs
View File

@@ -14,4 +14,6 @@ public record StructFieldSyntax(IEnumerable<Token> Tokens, string Name, TypeSynt
public record StructFuncSyntax(IEnumerable<Token> Tokens, string Name, string? Hook, FuncSignatureSyntax Signature, BlockSyntax Body) : SyntaxNode(Tokens);
public record StructSyntax(IEnumerable<Token> Tokens, string Name, bool Exported, List<StructFieldSyntax> Fields, List<StructFuncSyntax> Functions) : DefinitionSyntax(Tokens, Name, Exported);
public record StructSyntax(IEnumerable<Token> Tokens, string Name, bool Exported, List<StructFieldSyntax> Fields, List<StructFuncSyntax> Functions) : DefinitionSyntax(Tokens, Name, Exported);
public record StructTemplateSyntax(IEnumerable<Token> Tokens, List<string> TemplateArguments, string Name, bool Exported, List<StructFieldSyntax> Fields, List<StructFuncSyntax> Functions) : DefinitionSyntax(Tokens, Name, Exported);

6
compiler/NubLang/Parsing/Syntax/ExpressionSyntax.cs
View File

@@ -56,4 +56,8 @@ public record StructFieldAccessSyntax(IEnumerable<Token> Tokens, ExpressionSynta
public record StructInitializerSyntax(IEnumerable<Token> Tokens, Optional<TypeSyntax> StructType, Dictionary<string, ExpressionSyntax> Initializers) : ExpressionSyntax(Tokens);
public record DereferenceSyntax(IEnumerable<Token> Tokens, ExpressionSyntax Target) : ExpressionSyntax(Tokens);
public record DereferenceSyntax(IEnumerable<Token> Tokens, ExpressionSyntax Target) : ExpressionSyntax(Tokens);
public record SizeCompilerMacroSyntax(IEnumerable<Token> Tokens, TypeSyntax Type) : ExpressionSyntax(Tokens);
public record InterpretCompilerMacroSyntax(IEnumerable<Token> Tokens, TypeSyntax Type, ExpressionSyntax Target) : ExpressionSyntax(Tokens);

4
compiler/NubLang/Parsing/Syntax/TypeSyntax.cs
View File

@@ -22,4 +22,6 @@ public record CStringTypeSyntax(IEnumerable<Token> Tokens) : TypeSyntax(Tokens);
public record ArrayTypeSyntax(IEnumerable<Token> Tokens, TypeSyntax BaseType) : TypeSyntax(Tokens);
public record CustomTypeSyntax(IEnumerable<Token> Tokens, string Module, string Name) : TypeSyntax(Tokens);
public record CustomTypeSyntax(IEnumerable<Token> Tokens, string Module, string Name) : TypeSyntax(Tokens);
public record TemplateTypeSyntax(IEnumerable<Token> Tokens, List<TypeSyntax> TemplateParameters, string Module, string Name) : TypeSyntax(Tokens);