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Arrow func

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nub31
2025-07-09 18:17:43 +02:00
parent cf4c80e9de
commit 2493d93007
9 changed files with 41 additions and 26 deletions
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12
src/compiler/NubLang/Syntax/Binding/Binder.cs
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@@ -220,7 +220,7 @@ public sealed class Binder
return node switch
{
AddressOfSyntax expression => BindAddressOf(expression),
AnonymousFuncSyntax expression => BindAnonymousFunc(expression, expectedType),
ArrowFuncSyntax expression => BindArrowFunc(expression, expectedType),
ArrayIndexAccessSyntax expression => BindArrayIndexAccess(expression),
ArrayInitializerSyntax expression => BindArrayInitializer(expression),
BinaryExpressionSyntax expression => BindBinaryExpression(expression),
@@ -241,16 +241,16 @@ public sealed class Binder
return new BoundAddressOf(expression.Tokens, new NubPointerType(inner.Type), inner);
}
private BoundAnonymousFunc BindAnonymousFunc(AnonymousFuncSyntax expression, NubType? expectedType = null)
private BoundArrowFunc BindArrowFunc(ArrowFuncSyntax expression, NubType? expectedType = null)
{
if (expectedType == null)
{
throw new BindException(Diagnostic.Error("Cannot infer argument types for anonymous function").At(expression).Build());
throw new BindException(Diagnostic.Error("Cannot infer argument types for arrow function").At(expression).Build());
}
if (expectedType is not NubFuncType funcType)
{
throw new BindException(Diagnostic.Error($"Expected {expectedType}, but got anonymous function").At(expression).Build());
throw new BindException(Diagnostic.Error($"Expected {expectedType}, but got arrow function").At(expression).Build());
}
var parameters = new List<BoundFuncParameter>();
@@ -259,7 +259,7 @@ public sealed class Binder
{
if (i >= funcType.Parameters.Count)
{
throw new BindException(Diagnostic.Error($"Anonymous function expected a maximum of {funcType.Parameters.Count} arguments").Build());
throw new BindException(Diagnostic.Error($"Arrow function expected a maximum of {funcType.Parameters.Count} arguments").Build());
}
var expectedParameterType = funcType.Parameters[i];
@@ -269,7 +269,7 @@ public sealed class Binder
var body = BindFuncBody(expression.Body, funcType.ReturnType, parameters);
return new BoundAnonymousFunc(expression.Tokens, new NubFuncType(funcType.ReturnType, parameters.Select(x => x.Type).ToList()), parameters, funcType.ReturnType, body);
return new BoundArrowFunc(expression.Tokens, new NubFuncType(funcType.ReturnType, parameters.Select(x => x.Type).ToList()), parameters, funcType.ReturnType, body);
}
private BoundArrayIndexAccess BindArrayIndexAccess(ArrayIndexAccessSyntax expression)