mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 13:01:04 +01:00
Jon Ross-Perkins
37aa309c81
The expected parse tree size is validated for valid parse trees, which is possible even if lex encounters an error. In that case, we were missing recovery tokens, resulting in a crash. AddToken should be the only place we call `token_infos_.push_back`.
79 lines
4.7 KiB
Plaintext
79 lines
4.7 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// This is a valid parse tree even though the lex errors.
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fn F() {
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// CHECK:STDERR: fail_bracket_recovery.carbon:[[@LINE+4]]:11: ERROR: Opening symbol without a corresponding closing symbol.
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// CHECK:STDERR: var x: ([i32; 3) = (0, 1, 2);
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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var x: ([i32; 3) = (0, 1, 2);
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// CHECK:STDERR: fail_bracket_recovery.carbon:[[@LINE+11]]:15: ERROR: Opening symbol without a corresponding closing symbol.
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// CHECK:STDERR: var x: {.y: (} = {.y = ((};
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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// CHECK:STDERR: fail_bracket_recovery.carbon:[[@LINE+7]]:26: ERROR: Opening symbol without a corresponding closing symbol.
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// CHECK:STDERR: var x: {.y: (} = {.y = ((};
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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// CHECK:STDERR: fail_bracket_recovery.carbon:[[@LINE+3]]:27: ERROR: Opening symbol without a corresponding closing symbol.
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// CHECK:STDERR: var x: {.y: (} = {.y = ((};
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// CHECK:STDERR: ^
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var x: {.y: (} = {.y = ((};
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}
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// CHECK:STDOUT: - filename: fail_bracket_recovery.carbon
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// CHECK:STDOUT: parse_tree: [
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// CHECK:STDOUT: {kind: 'FileStart', text: ''},
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// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'F'},
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// CHECK:STDOUT: {kind: 'TuplePatternStart', text: '('},
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// CHECK:STDOUT: {kind: 'TuplePattern', text: ')', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'x'},
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// CHECK:STDOUT: {kind: 'ParenExprStart', text: '('},
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// CHECK:STDOUT: {kind: 'ArrayExprStart', text: '['},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'ArrayExprSemi', text: ';', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'IntLiteral', text: '3'},
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// CHECK:STDOUT: {kind: 'ArrayExpr', text: ']', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'ParenExpr', text: ')', subtree_size: 7},
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// CHECK:STDOUT: {kind: 'BindingPattern', text: ':', subtree_size: 9},
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// CHECK:STDOUT: {kind: 'VariableInitializer', text: '='},
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// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
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// CHECK:STDOUT: {kind: 'IntLiteral', text: '0'},
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// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
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// CHECK:STDOUT: {kind: 'IntLiteral', text: '1'},
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// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
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// CHECK:STDOUT: {kind: 'IntLiteral', text: '2'},
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// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 7},
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// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 19},
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// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'x'},
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// CHECK:STDOUT: {kind: 'StructTypeLiteralStart', text: '{'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'y'},
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// CHECK:STDOUT: {kind: 'StructFieldDesignator', text: '.', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
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// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'StructTypeField', text: ':', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'StructTypeLiteral', text: '}', subtree_size: 7},
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// CHECK:STDOUT: {kind: 'BindingPattern', text: ':', subtree_size: 9},
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// CHECK:STDOUT: {kind: 'VariableInitializer', text: '='},
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// CHECK:STDOUT: {kind: 'StructLiteralStart', text: '{'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'y'},
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// CHECK:STDOUT: {kind: 'StructFieldDesignator', text: '.', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'ParenExprStart', text: '('},
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// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
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// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'ParenExpr', text: ')', subtree_size: 4},
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// CHECK:STDOUT: {kind: 'StructField', text: '=', subtree_size: 7},
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// CHECK:STDOUT: {kind: 'StructLiteral', text: '}', subtree_size: 9},
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// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 21},
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// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 46},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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