mirror of
https://github.com/carbon-language/carbon-lang.git
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Geoff Romer
4a0cf6c1fb
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.
55 lines
3.2 KiB
Plaintext
55 lines
3.2 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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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/parse/testdata/operators/precedence_as.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/operators/precedence_as.carbon
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fn F(n: i32) {
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// Type operators and unary operators are higher precedence than `as`.
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-n as const i32;
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&n as i32*;
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^n as i32;
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*n as i32;
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}
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// CHECK:STDOUT: - filename: precedence_as.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: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
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// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
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// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'n'},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 8},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'n'},
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// CHECK:STDOUT: {kind: 'PrefixOperatorMinus', text: '-', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'PrefixOperatorConst', text: 'const', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'InfixOperatorAs', text: 'as', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 6},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'n'},
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// CHECK:STDOUT: {kind: 'PrefixOperatorAmp', text: '&', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'PostfixOperatorStar', text: '*', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'InfixOperatorAs', text: 'as', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 6},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'n'},
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// CHECK:STDOUT: {kind: 'PrefixOperatorCaret', text: '^', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'InfixOperatorAs', text: 'as', subtree_size: 4},
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// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'n'},
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// CHECK:STDOUT: {kind: 'PrefixOperatorStar', text: '*', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'InfixOperatorAs', text: 'as', subtree_size: 4},
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// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 31},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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