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Decouple associated constants from let (#5973)

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Decouples associated constants from being special cased in let handlers.
Enforces associated constant grammar restrictions in parsing instead of
checking.

Closes #5411
This commit is contained in:
Elliott Kalt
2025-09-02 23:15:26 +00:00
committed by GitHub
parent 0e6dd7e701
commit 58de34e534
43 changed files with 755 additions and 677 deletions
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toolchain/parse/testdata/where_expr/basic.carbon
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+5 -6
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@@ -40,9 +40,8 @@ fn F() {
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'LetIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'T'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternStart', text: ':!', subtree_size: 2},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'T'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
@@ -50,9 +49,9 @@ fn F() {
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Bar'},
// CHECK:STDOUT: {kind: 'RequirementImpls', text: 'impls', subtree_size: 4},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 7},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':!', subtree_size: 10},
// CHECK:STDOUT: {kind: 'LetDecl', text: ';', subtree_size: 12},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 16},
// CHECK:STDOUT: {kind: 'AssociatedConstantNameAndType', text: ':!', subtree_size: 9},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', subtree_size: 11},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 15},
// CHECK:STDOUT: {kind: 'LetIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'T'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternStart', text: ':!', subtree_size: 2},