Files
carbon-lang/toolchain/parse/testdata/alias/basic.carbon
T
Geoff Romer 4a0cf6c1fb Track the start of a signature more accurately (#6760)
This change ensures that a function signature always starts with an
`IdentifierNameMaybeBeforeSignature` node (renamed from
`IdentifierNameBeforeParams`), even in the case of function declarations
like `fn F -> T` that have no parameter list. As a consequence, this
ensures that we push new entries onto `pattern_block_stack` and
`full_pattern_stack` when we start processing the function signature.
2026-02-23 22:46:03 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/parse/testdata/alias/basic.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/alias/basic.carbon
alias a = foo;
alias b = 0;
alias c = 1 + 3;
alias NS.ns = foo;
class C {
alias c = foo;
}
fn F() {
alias f = foo;
}
// CHECK:STDOUT: - filename: basic.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'AliasIntroducer', text: 'alias'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'a'},
// CHECK:STDOUT: {kind: 'AliasInitializer', text: '='},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'foo'},
// CHECK:STDOUT: {kind: 'Alias', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'AliasIntroducer', text: 'alias'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'AliasInitializer', text: '='},
// CHECK:STDOUT: {kind: 'IntLiteral', text: '0'},
// CHECK:STDOUT: {kind: 'Alias', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'AliasIntroducer', text: 'alias'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'c'},
// CHECK:STDOUT: {kind: 'AliasInitializer', text: '='},
// CHECK:STDOUT: {kind: 'IntLiteral', text: '1'},
// CHECK:STDOUT: {kind: 'IntLiteral', text: '3'},
// CHECK:STDOUT: {kind: 'InfixOperatorPlus', text: '+', subtree_size: 3},
// CHECK:STDOUT: {kind: 'Alias', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'AliasIntroducer', text: 'alias'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'NS'},
// CHECK:STDOUT: {kind: 'IdentifierNameQualifierWithoutParams', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'ns'},
// CHECK:STDOUT: {kind: 'AliasInitializer', text: '='},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'foo'},
// CHECK:STDOUT: {kind: 'Alias', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ClassIntroducer', text: 'class'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'C'},
// CHECK:STDOUT: {kind: 'ClassDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AliasIntroducer', text: 'alias'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'c'},
// CHECK:STDOUT: {kind: 'AliasInitializer', text: '='},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'foo'},
// CHECK:STDOUT: {kind: 'Alias', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ClassDefinition', text: '}', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'AliasIntroducer', text: 'alias'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'f'},
// CHECK:STDOUT: {kind: 'AliasInitializer', text: '='},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'foo'},
// CHECK:STDOUT: {kind: 'Alias', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 11},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]