Files
carbon-lang/toolchain/parse/testdata/operators/prefix.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/operators/prefix.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/operators/prefix.carbon
var n: i8 = -n;
var b: bool = not true;
var c: const bool;
var d: partial C*;
// CHECK:STDOUT: - filename: prefix.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'n'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i8'},
// CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 4},
// CHECK:STDOUT: {kind: 'VariableInitializer', text: '='},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'n'},
// CHECK:STDOUT: {kind: 'PrefixOperatorMinus', text: '-', subtree_size: 2},
// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 9},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
// CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 4},
// CHECK:STDOUT: {kind: 'VariableInitializer', text: '='},
// CHECK:STDOUT: {kind: 'BoolLiteralTrue', text: 'true'},
// CHECK:STDOUT: {kind: 'PrefixOperatorNot', text: 'not', subtree_size: 2},
// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 9},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'c'},
// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
// CHECK:STDOUT: {kind: 'PrefixOperatorConst', text: 'const', subtree_size: 2},
// CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 5},
// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'd'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'C'},
// CHECK:STDOUT: {kind: 'PrefixOperatorPartial', text: 'partial', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PostfixOperatorStar', text: '*', subtree_size: 3},
// CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 5},
// CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 6},
// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]