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nub31
2025-09-21 20:44:57 +02:00
parent 642d604ecd
commit 822cdf4bda
13 changed files with 101 additions and 232 deletions
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27
compiler/NubLang/Parsing/Parser.cs
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@@ -206,7 +206,7 @@ public sealed class Parser
ExpectSymbol(Symbol.Colon);
var fieldType = ParseType();
var fieldValue = Optional<ExpressionSyntax>.Empty();
ExpressionSyntax? fieldValue = null;
if (TryExpectSymbol(Symbol.Assign))
{
@@ -267,13 +267,13 @@ public sealed class Parser
{
var name = ExpectIdentifier().Value;
var explicitType = Optional<TypeSyntax>.Empty();
TypeSyntax? explicitType = null;
if (TryExpectSymbol(Symbol.Colon))
{
explicitType = ParseType();
}
var assignment = Optional<ExpressionSyntax>.Empty();
ExpressionSyntax? assignment = null;
if (TryExpectSymbol(Symbol.Assign))
{
assignment = ParseExpression();
@@ -290,7 +290,7 @@ public sealed class Parser
private ReturnSyntax ParseReturn(int startIndex)
{
var value = Optional<ExpressionSyntax>.Empty();
ExpressionSyntax? value = null;
if (!TryExpectSymbol(Symbol.Semi))
{
@@ -305,7 +305,7 @@ public sealed class Parser
var condition = ParseExpression();
var body = ParseBlock();
var elseStatement = Optional<Variant<IfSyntax, BlockSyntax>>.Empty();
Variant<IfSyntax, BlockSyntax>? elseStatement = null;
var elseStartIndex = _tokenIndex;
if (TryExpectSymbol(Symbol.Else))
@@ -456,7 +456,7 @@ public sealed class Parser
Symbol.Minus => new UnaryExpressionSyntax(GetTokens(startIndex), UnaryOperatorSyntax.Negate, ParsePrimaryExpression()),
Symbol.Bang => new UnaryExpressionSyntax(GetTokens(startIndex), UnaryOperatorSyntax.Invert, ParsePrimaryExpression()),
Symbol.OpenBracket => ParseArrayInitializer(startIndex),
Symbol.OpenBrace => new StructInitializerSyntax(GetTokens(startIndex), Optional<TypeSyntax>.Empty(), ParseStructInitializerBody()),
Symbol.OpenBrace => new StructInitializerSyntax(GetTokens(startIndex), null, ParseStructInitializerBody()),
Symbol.Struct => ParseStructInitializer(startIndex),
Symbol.At => ParseCompilerMacro(startIndex),
_ => throw new ParseException(Diagnostic
@@ -605,7 +605,7 @@ public sealed class Parser
private StructInitializerSyntax ParseStructInitializer(int startIndex)
{
var type = Optional.Empty<TypeSyntax>();
TypeSyntax? type = null;
if (!TryExpectSymbol(Symbol.OpenBrace))
{
type = ParseType();
@@ -921,19 +921,6 @@ public sealed class Parser
return literal;
}
private bool TryExpectLiteral(LiteralKind kind, [NotNullWhen(true)] out LiteralToken? literal)
{
if (CurrentToken is LiteralToken identifierToken)
{
literal = identifierToken;
Next();
return true;
}
literal = null;
return false;
}
private void Next()
{
_tokenIndex++;

2
compiler/NubLang/Parsing/Syntax/DefinitionSyntax.cs
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@@ -10,7 +10,7 @@ public record FuncSignatureSyntax(List<Token> Tokens, List<FuncParameterSyntax>
public record FuncSyntax(List<Token> Tokens, string Name, bool Exported, string? ExternSymbol, FuncSignatureSyntax Signature, BlockSyntax? Body) : DefinitionSyntax(Tokens, Name, Exported);
public record StructFieldSyntax(List<Token> Tokens, string Name, TypeSyntax Type, Optional<ExpressionSyntax> Value) : SyntaxNode(Tokens);
public record StructFieldSyntax(List<Token> Tokens, string Name, TypeSyntax Type, ExpressionSyntax? Value) : SyntaxNode(Tokens);
public record StructFuncSyntax(List<Token> Tokens, string Name, string? Hook, FuncSignatureSyntax Signature, BlockSyntax Body) : SyntaxNode(Tokens);

2
compiler/NubLang/Parsing/Syntax/ExpressionSyntax.cs
View File

@@ -54,7 +54,7 @@ public record LiteralSyntax(List<Token> Tokens, string Value, LiteralKind Kind)
public record StructFieldAccessSyntax(List<Token> Tokens, ExpressionSyntax Target, string Member) : ExpressionSyntax(Tokens);
public record StructInitializerSyntax(List<Token> Tokens, Optional<TypeSyntax> StructType, Dictionary<string, ExpressionSyntax> Initializers) : ExpressionSyntax(Tokens);
public record StructInitializerSyntax(List<Token> Tokens, TypeSyntax? StructType, Dictionary<string, ExpressionSyntax> Initializers) : ExpressionSyntax(Tokens);
public record DereferenceSyntax(List<Token> Tokens, ExpressionSyntax Target) : ExpressionSyntax(Tokens);

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

@@ -8,13 +8,13 @@ public record BlockSyntax(List<Token> Tokens, List<StatementSyntax> Statements)
public record StatementExpressionSyntax(List<Token> Tokens, ExpressionSyntax Expression) : StatementSyntax(Tokens);
public record ReturnSyntax(List<Token> Tokens, Optional<ExpressionSyntax> Value) : StatementSyntax(Tokens);
public record ReturnSyntax(List<Token> Tokens, ExpressionSyntax? Value) : StatementSyntax(Tokens);
public record AssignmentSyntax(List<Token> Tokens, ExpressionSyntax Target, ExpressionSyntax Value) : StatementSyntax(Tokens);
public record IfSyntax(List<Token> Tokens, ExpressionSyntax Condition, BlockSyntax Body, Optional<Variant<IfSyntax, BlockSyntax>> Else) : StatementSyntax(Tokens);
public record IfSyntax(List<Token> Tokens, ExpressionSyntax Condition, BlockSyntax Body, Variant<IfSyntax, BlockSyntax>? Else) : StatementSyntax(Tokens);
public record VariableDeclarationSyntax(List<Token> Tokens, string Name, Optional<TypeSyntax> ExplicitType, Optional<ExpressionSyntax> Assignment) : StatementSyntax(Tokens);
public record VariableDeclarationSyntax(List<Token> Tokens, string Name, TypeSyntax? ExplicitType, ExpressionSyntax? Assignment) : StatementSyntax(Tokens);
public record ContinueSyntax(List<Token> Tokens) : StatementSyntax(Tokens);

2
compiler/NubLang/Parsing/Syntax/TypeSyntax.cs
View File

@@ -4,7 +4,7 @@ namespace NubLang.Parsing.Syntax;
public abstract record TypeSyntax(List<Token> Tokens) : SyntaxNode(Tokens);
public record FuncTypeSyntax(List<Token> Tokens, List<TypeSyntax> Parameters, TypeSyntax ReturnType) : TypeSyntax(Tokens);
public record FuncTypeSyntax(List<Token> Tokens, List<TypeSyntax> Parameters, TypeSyntax ReturnType) : TypeSyntax(Tokens);
public record PointerTypeSyntax(List<Token> Tokens, TypeSyntax BaseType) : TypeSyntax(Tokens);