6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
//===--- IntegralLiteralExpressionMatcher.h - clang-tidy ------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_INTEGRAL_LITERAL_EXPRESSION_MATCHER_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_INTEGRAL_LITERAL_EXPRESSION_MATCHER_H
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#include <clang/Lex/Token.h>
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#include <llvm/ADT/ArrayRef.h>
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namespace clang::tidy::modernize {
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enum class LiteralSize {
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Unknown = 0,
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Int,
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UnsignedInt,
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Long,
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UnsignedLong,
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LongLong,
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UnsignedLongLong
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};
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// Parses an array of tokens and returns true if they conform to the rules of
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// C++ for whole expressions involving integral literals. Follows the operator
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// precedence rules of C++. Optionally exclude comma operator expressions.
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class IntegralLiteralExpressionMatcher {
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public:
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IntegralLiteralExpressionMatcher(ArrayRef<Token> Tokens, bool CommaAllowed)
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: Current(Tokens.begin()), End(Tokens.end()), CommaAllowed(CommaAllowed) {
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}
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bool match();
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LiteralSize largestLiteralSize() const;
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private:
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bool advance();
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bool consume(tok::TokenKind Kind);
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template <typename NonTerminalFunctor, typename IsKindFunctor>
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bool nonTerminalChainedExpr(const NonTerminalFunctor &NonTerminal,
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const IsKindFunctor &IsKind);
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template <tok::TokenKind Kind, typename NonTerminalFunctor>
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bool nonTerminalChainedExpr(const NonTerminalFunctor &NonTerminal);
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template <tok::TokenKind K1, tok::TokenKind K2, tok::TokenKind... Ks,
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typename NonTerminalFunctor>
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bool nonTerminalChainedExpr(const NonTerminalFunctor &NonTerminal);
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bool unaryOperator();
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bool unaryExpr();
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bool multiplicativeExpr();
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bool additiveExpr();
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bool shiftExpr();
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bool compareExpr();
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bool relationalExpr();
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bool equalityExpr();
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bool andExpr();
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bool exclusiveOrExpr();
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bool inclusiveOrExpr();
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bool logicalAndExpr();
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bool logicalOrExpr();
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bool conditionalExpr();
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bool commaExpr();
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bool expr();
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ArrayRef<Token>::iterator Current;
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ArrayRef<Token>::iterator End;
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LiteralSize LargestSize{LiteralSize::Unknown};
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bool CommaAllowed;
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};
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} // namespace clang::tidy::modernize
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#endif
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