mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 21:20:11 +01:00
Geoff Romer
943acf1ec2
This is a step toward making binding pattern handling more robust, by removing its reliance on the node stack for context.
59 lines
3.5 KiB
Plaintext
59 lines
3.5 KiB
Plaintext
// 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/match/fail_missing_guard_close_paren.carbon
|
|
// TIP: To dump output, run:
|
|
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/match/fail_missing_guard_close_paren.carbon
|
|
|
|
fn f() -> i32 {
|
|
match (true) {
|
|
// CHECK:STDERR: fail_missing_guard_close_paren.carbon:[[@LINE+8]]:21: error: opening symbol without a corresponding closing symbol [UnmatchedOpening]
|
|
// CHECK:STDERR: case x: bool if (false => { return 1; }
|
|
// CHECK:STDERR: ^
|
|
// CHECK:STDERR:
|
|
// CHECK:STDERR: fail_missing_guard_close_paren.carbon:[[@LINE+4]]:28: error: TODO: improve match parsing [MatchParseTODO]
|
|
// CHECK:STDERR: case x: bool if (false => { return 1; }
|
|
// CHECK:STDERR: ^~
|
|
// CHECK:STDERR:
|
|
case x: bool if (false => { return 1; }
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// CHECK:STDOUT: - filename: fail_missing_guard_close_paren.carbon
|
|
// CHECK:STDOUT: parse_tree: [
|
|
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
|
|
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
|
|
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'f'},
|
|
// CHECK:STDOUT: {kind: 'TuplePatternStart', text: '('},
|
|
// CHECK:STDOUT: {kind: 'TuplePattern', text: ')', subtree_size: 2},
|
|
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
|
|
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
|
|
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 7},
|
|
// CHECK:STDOUT: {kind: 'MatchIntroducer', text: 'match'},
|
|
// CHECK:STDOUT: {kind: 'MatchConditionStart', text: '('},
|
|
// CHECK:STDOUT: {kind: 'BoolLiteralTrue', text: 'true'},
|
|
// CHECK:STDOUT: {kind: 'MatchCondition', text: ')', subtree_size: 3},
|
|
// CHECK:STDOUT: {kind: 'MatchStatementStart', text: '{', subtree_size: 5},
|
|
// CHECK:STDOUT: {kind: 'MatchCaseIntroducer', text: 'case'},
|
|
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'x'},
|
|
// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
|
|
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
|
|
// CHECK:STDOUT: {kind: 'MatchCaseGuardIntroducer', text: 'if'},
|
|
// CHECK:STDOUT: {kind: 'MatchCaseGuardStart', text: '('},
|
|
// CHECK:STDOUT: {kind: 'BoolLiteralFalse', text: 'false'},
|
|
// CHECK:STDOUT: {kind: 'MatchCaseGuard', text: '=>', has_error: yes, subtree_size: 4},
|
|
// CHECK:STDOUT: {kind: 'MatchCaseEqualGreater', text: '}', has_error: yes},
|
|
// CHECK:STDOUT: {kind: 'MatchCaseStart', text: '}', has_error: yes, subtree_size: 10},
|
|
// CHECK:STDOUT: {kind: 'MatchCase', text: '}', has_error: yes, subtree_size: 11},
|
|
// CHECK:STDOUT: {kind: 'MatchStatement', text: '}', subtree_size: 17},
|
|
// CHECK:STDOUT: {kind: 'ReturnStatementStart', text: 'return'},
|
|
// CHECK:STDOUT: {kind: 'IntLiteral', text: '0'},
|
|
// CHECK:STDOUT: {kind: 'ReturnStatement', text: ';', subtree_size: 3},
|
|
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 28},
|
|
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
|
|
// CHECK:STDOUT: ]
|