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update runtime tok look for main in defult namespace

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This commit is contained in:
nub31
2025-07-07 17:06:28 +02:00
parent 7f9a60fcb5
commit 2a8578726d
11 changed files with 65 additions and 116 deletions
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2
example/src/main.nub
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@@ -22,7 +22,7 @@ impl printable for human
}
}
export func main(args: []cstring): i64
func main(args: []cstring): i64
{
let human = alloc human
{

BIN
src/compiler/NubLang.CLI/assets/libruntime_x64.a
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2
src/compiler/NubLang/Diagnostics/ConsoleColors.cs
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@@ -71,8 +71,6 @@ public static class ConsoleColors
LiteralKind.Bool => Blue,
_ => White
};
case ModifierToken:
return White;
case SymbolToken symbol:
switch (symbol.Symbol)
{

17
src/compiler/NubLang/Generation/QBE/QBEGenerator.cs
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@@ -67,19 +67,19 @@ public partial class QBEGenerator
foreach (var funcDef in _syntaxTree.Definitions.OfType<BoundLocalFunc>())
{
EmitFuncDefinition(funcDef, LocalFuncName(funcDef), funcDef.Parameters, funcDef.ReturnType, funcDef.Body, funcDef.Exported);
EmitFuncDefinition(funcDef, LocalFuncName(funcDef), funcDef.Parameters, funcDef.ReturnType, funcDef.Body);
_writer.NewLine();
}
while (_anonymousFunctions.TryDequeue(out var anon))
{
EmitFuncDefinition(anon.Func, anon.Name, anon.Func.Parameters, anon.Func.ReturnType, anon.Func.Body, false);
EmitFuncDefinition(anon.Func, anon.Name, anon.Func.Parameters, anon.Func.ReturnType, anon.Func.Body);
_writer.NewLine();
}
foreach (var (impl, name) in _implFunctions)
{
EmitFuncDefinition(impl, name, impl.Parameters, impl.ReturnType, impl.Body, false);
EmitFuncDefinition(impl, name, impl.Parameters, impl.ReturnType, impl.Body);
_writer.NewLine();
}
@@ -347,7 +347,7 @@ public partial class QBEGenerator
return "l";
}
private void EmitFuncDefinition(BoundNode debugNode, string name, List<BoundFuncParameter> parameters, NubType returnType, BoundBlock body, bool exported)
private void EmitFuncDefinition(BoundNode debugNode, string name, List<BoundFuncParameter> parameters, NubType returnType, BoundBlock body)
{
_variables.Clear();
_variableScopes.Clear();
@@ -356,12 +356,7 @@ public partial class QBEGenerator
var builder = new StringBuilder();
if (exported)
{
builder.Append("export ");
}
builder.Append("function ");
builder.Append("export function ");
if (returnType is not NubVoidType)
{
builder.Append(FuncQBETypeName(returnType) + ' ');
@@ -503,7 +498,7 @@ public partial class QBEGenerator
private string LocalFuncName(BoundLocalFunc funcDef)
{
return funcDef.Exported ? $"${funcDef.Name}" : $"${funcDef.Namespace}_{funcDef.Name}";
return $"${funcDef.Namespace}_{funcDef.Name}";
}
private string ExternFuncName(BoundExternFunc funcDef)

2
src/compiler/NubLang/Syntax/Binding/Binder.cs
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@@ -144,7 +144,7 @@ public sealed class Binder
var body = BindBlock(node.Body);
return new BoundLocalFunc(node.Tokens, node.Namespace, node.Name, parameters, body, node.ReturnType, node.Exported);
return new BoundLocalFunc(node.Tokens, node.Namespace, node.Name, parameters, body, node.ReturnType);
}
private BoundBlock BindBlock(BlockSyntax node)

2
src/compiler/NubLang/Syntax/Binding/Node/BoundDefinition.cs
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@@ -9,7 +9,7 @@ public abstract record BoundDefinitionMember(IEnumerable<Token> Tokens) : BoundN
public record BoundFuncParameter(IEnumerable<Token> Tokens, string Name, NubType Type) : BoundDefinitionMember(Tokens);
public record BoundLocalFunc(IEnumerable<Token> Tokens, string Namespace, string Name, List<BoundFuncParameter> Parameters, BoundBlock Body, NubType ReturnType, bool Exported) : BoundDefinition(Tokens, Namespace);
public record BoundLocalFunc(IEnumerable<Token> Tokens, string Namespace, string Name, List<BoundFuncParameter> Parameters, BoundBlock Body, NubType ReturnType) : BoundDefinition(Tokens, Namespace);
public record BoundExternFunc(IEnumerable<Token> Tokens, string Namespace, string Name, string CallName, List<BoundFuncParameter> Parameters, NubType ReturnType) : BoundDefinition(Tokens, Namespace);

2
src/compiler/NubLang/Syntax/Parsing/Node/DefinitionSyntax.cs
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@@ -9,7 +9,7 @@ public abstract record DefinitionMemberSyntax(IEnumerable<Token> Tokens) : Synta
public record FuncParameterSyntax(IEnumerable<Token> Tokens, string Name, NubType Type) : DefinitionMemberSyntax(Tokens);
public record LocalFuncSyntax(IEnumerable<Token> Tokens, string Namespace, string Name, List<FuncParameterSyntax> Parameters, BlockSyntax Body, NubType ReturnType, bool Exported) : DefinitionSyntax(Tokens, Namespace);
public record LocalFuncSyntax(IEnumerable<Token> Tokens, string Namespace, string Name, List<FuncParameterSyntax> Parameters, BlockSyntax Body, NubType ReturnType) : DefinitionSyntax(Tokens, Namespace);
public record ExternFuncSyntax(IEnumerable<Token> Tokens, string Namespace, string Name, string CallName, List<FuncParameterSyntax> Parameters, NubType ReturnType) : DefinitionSyntax(Tokens, Namespace);

126
src/compiler/NubLang/Syntax/Parsing/Parser.cs
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@@ -17,7 +17,7 @@ public sealed class Parser
public Parser(IEnumerable<Token> tokens)
{
_namespace = "global";
_namespace = "default";
_tokens = tokens;
}
@@ -38,7 +38,7 @@ public sealed class Parser
{
try
{
definitions.Add(ParseTopLevel());
definitions.Add(ParseDefinition());
}
catch (ParseException ex)
{
@@ -50,20 +50,15 @@ public sealed class Parser
return new SyntaxTree(_namespace, definitions, _diagnostics);
}
private DefinitionSyntax ParseTopLevel()
private DefinitionSyntax ParseDefinition()
{
var startIndex = _tokenIndex;
List<ModifierToken> modifiers = [];
while (TryExpectModifier(out var modifier))
{
modifiers.Add(modifier);
}
var keyword = ExpectSymbol();
var node = keyword.Symbol switch
{
Symbol.Func => ParseFunc(startIndex, modifiers),
Symbol.Extern => ParseExtern(startIndex),
Symbol.Func => ParseFunc(startIndex),
Symbol.Struct => ParseStruct(startIndex),
Symbol.Trait => ParseTrait(startIndex),
Symbol.Impl => ParseImplementation(startIndex),
@@ -74,19 +69,52 @@ public sealed class Parser
.Build())
};
if (modifiers.Count != 0)
{
throw new ParseException(Diagnostic
.Error($"Invalid modifiers: {string.Join(", ", modifiers.Select(x => x.Modifier))}")
.WithHelp($"Remove the following modifiers: {modifiers.Select(x => x.Modifier)}'")
.At(SourceSpan.Merge(modifiers.Select(x => x.Span)))
.Build());
}
return node;
}
private DefinitionSyntax ParseFunc(int startIndex, List<ModifierToken> modifiers)
private DefinitionSyntax ParseExtern(int startIndex)
{
var keyword = ExpectSymbol();
return keyword.Symbol switch
{
Symbol.Func => ParseExternFunc(startIndex),
_ => throw new ParseException(Diagnostic.Error($"Unexpected symbol {keyword.Symbol} after extern declaration").At(keyword).Build())
};
}
private ExternFuncSyntax ParseExternFunc(int startIndex)
{
var name = ExpectIdentifier();
List<FuncParameterSyntax> parameters = [];
ExpectSymbol(Symbol.OpenParen);
while (!TryExpectSymbol(Symbol.CloseParen))
{
parameters.Add(ParseFuncParameter());
if (!TryExpectSymbol(Symbol.Comma) && Peek().TryGetValue(out var token) && token is not SymbolToken { Symbol: Symbol.CloseParen })
{
_diagnostics.Add(Diagnostic
.Warning("Missing comma between function parameters")
.WithHelp("Add a ',' to separate parameters")
.At(token)
.Build());
}
}
var returnType = TryExpectSymbol(Symbol.Colon) ? ParseType() : new NubVoidType();
var callName = name.Value;
if (TryExpectSymbol(Symbol.Calls))
{
callName = ExpectIdentifier().Value;
}
return new ExternFuncSyntax(GetTokens(startIndex), _namespace, name.Value, callName, parameters, returnType);
}
private LocalFuncSyntax ParseFunc(int startIndex)
{
var name = ExpectIdentifier();
List<FuncParameterSyntax> parameters = [];
@@ -110,32 +138,9 @@ public sealed class Parser
var returnType = TryExpectSymbol(Symbol.Colon) ? ParseType() : new NubVoidType();
_functionReturnType = returnType;
var isExtern = modifiers.RemoveAll(x => x.Modifier == Modifier.Extern) > 0;
if (isExtern)
{
if (modifiers.Count != 0)
{
throw new ParseException(Diagnostic
.Error($"Invalid modifier for extern function: {modifiers[0].Modifier}")
.WithHelp($"Extern functions cannot use the '{modifiers[0].Modifier}' modifier")
.At(modifiers[0])
.Build());
}
var callName = name.Value;
if (TryExpectSymbol(Symbol.Calls))
{
callName = ExpectIdentifier().Value;
}
return new ExternFuncSyntax(GetTokens(startIndex), _namespace, name.Value, callName, parameters, returnType);
}
var body = ParseBlock();
var exported = modifiers.RemoveAll(x => x.Modifier == Modifier.Export) > 0;
return new LocalFuncSyntax(GetTokens(startIndex), _namespace, name.Value, parameters, body, returnType, exported);
return new LocalFuncSyntax(GetTokens(startIndex), _namespace, name.Value, parameters, body, returnType);
}
private StructSyntax ParseStruct(int startIndex)
@@ -657,7 +662,7 @@ public sealed class Parser
catch (ParseException ex)
{
_diagnostics.Add(ex.Diagnostic);
RecoverToNextStatement();
Next();
}
}
@@ -805,19 +810,6 @@ public sealed class Parser
return false;
}
private bool TryExpectModifier([NotNullWhen(true)] out ModifierToken? modifier)
{
if (Peek() is { Value: ModifierToken modifierToken })
{
modifier = modifierToken;
Next();
return true;
}
modifier = null;
return false;
}
private bool TryExpectIdentifier([NotNullWhen(true)] out IdentifierToken? identifier)
{
if (Peek() is { Value: IdentifierToken identifierToken })
@@ -851,23 +843,7 @@ public sealed class Parser
while (Peek().HasValue)
{
var token = Peek().Value;
if (token is SymbolToken { Symbol: Symbol.Func or Symbol.Struct or Symbol.Trait or Symbol.Impl } or ModifierToken)
{
break;
}
Next();
}
}
private void RecoverToNextStatement()
{
while (Peek().TryGetValue(out var token))
{
if (token is SymbolToken { Symbol: Symbol.CloseBrace } or IdentifierToken or SymbolToken
{
Symbol: Symbol.Return or Symbol.If or Symbol.While or Symbol.Let or Symbol.Break or Symbol.Continue
})
if (token is SymbolToken { Symbol: Symbol.Extern or Symbol.Func or Symbol.Struct or Symbol.Trait or Symbol.Impl })
{
break;
}

14
src/compiler/NubLang/Syntax/Tokenization/Token.cs
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@@ -24,17 +24,6 @@ public enum LiteralKind
Bool
}
public class ModifierToken(SourceSpan span, Modifier modifier) : Token(span)
{
public Modifier Modifier { get; } = modifier;
}
public enum Modifier
{
Extern,
Export
}
public class SymbolToken(SourceSpan span, Symbol symbol) : Token(span)
{
public Symbol Symbol { get; } = symbol;
@@ -80,5 +69,6 @@ public enum Symbol
Calls,
Trait,
Impl,
For
For,
Extern
}

12
src/compiler/NubLang/Syntax/Tokenization/Tokenizer.cs
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@@ -22,12 +22,7 @@ public sealed class Tokenizer
["trait"] = Symbol.Trait,
["impl"] = Symbol.Impl,
["for"] = Symbol.For,
};
private static readonly Dictionary<string, Modifier> Modifiers = new()
{
["export"] = Modifier.Export,
["extern"] = Modifier.Extern,
["extern"] = Symbol.Extern
};
private static readonly Dictionary<char[], Symbol> Chians = new()
@@ -129,11 +124,6 @@ public sealed class Tokenizer
return new SymbolToken(CreateSpan(startIndex), keywordSymbol);
}
if (Modifiers.TryGetValue(buffer, out var modifer))
{
return new ModifierToken(CreateSpan(startIndex), modifer);
}
if (buffer is "true" or "false")
{
return new LiteralToken(CreateSpan(startIndex), LiteralKind.Bool, buffer);

2
src/runtime/targets/x64.s
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@@ -4,7 +4,7 @@
.globl _start
_start:
mov rdi, rsp
call main
call default_main
mov rdi, rax
mov rax, 60
syscall