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fdb188ccfd
Implementation of unused pattern bindings #2022, continued. Whereas previous PR #6460 took care of parsing, and PR #6479 prepared the stage by using _ in some test cases, this PR has the the actual implementation, using a simple dataflow analysis. --------- Co-authored-by: Burak Emir <bqe@google.com> Co-authored-by: jonmeow <jperkins@google.com>
49 lines
2.9 KiB
Plaintext
49 lines
2.9 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/generics/interface/final_member_definition.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/generics/interface/final_member_definition.carbon
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interface Foo {
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final fn Add[unused self: Self](b: Self) -> Self {
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print("Allowed.");
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}
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}
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// CHECK:STDOUT: - filename: final_member_definition.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: 'InterfaceIntroducer', text: 'interface'},
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// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
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// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
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// CHECK:STDOUT: {kind: 'FinalModifier', text: 'final'},
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// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Add'},
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// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
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// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
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// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
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// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'UnusedPattern', text: 'unused', subtree_size: 4},
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// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 6},
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// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
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// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'b'},
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// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
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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: 'SelfTypeNameExpr', text: 'Self'},
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// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 17},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'print'},
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// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'StringLiteral', text: '"Allowed."'},
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// CHECK:STDOUT: {kind: 'CallExpr', text: ')', 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: 23},
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// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 27},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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