39 lines
1.6 KiB
C++
39 lines
1.6 KiB
C++
//===-- nullptr-convert/Matchers.h - Matchers for null casts ---*- C++ -*--===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file contains the declarations for matcher-generating functions
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/// and names for bound nodes found by AST matchers.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_CLANG_TOOLS_EXTRA_CPP11_MIGRATE_USE_NULLPTR_MATCHERS_H
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#define LLVM_TOOLS_CLANG_TOOLS_EXTRA_CPP11_MIGRATE_USE_NULLPTR_MATCHERS_H
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#include "clang/ASTMatchers/ASTMatchers.h"
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// Names to bind with matched expressions.
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extern const char *ImplicitCastNode;
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extern const char *CastSequence;
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/// \brief Create a matcher to find the implicit casts clang inserts
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/// when writing null to a pointer.
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///
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/// However, don't match those implicit casts that have explicit casts as
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/// an ancestor. Explicit casts are handled by makeCastSequenceMatcher().
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clang::ast_matchers::StatementMatcher makeImplicitCastMatcher();
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/// \brief Create a matcher that finds the head of a sequence of nested explicit
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/// casts that have an implicit cast to null within.
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///
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/// This matcher is necessary so that an entire sequence of explicit casts can
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/// be replaced instead of just the inner-most implicit cast.
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clang::ast_matchers::StatementMatcher makeCastSequenceMatcher();
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#endif // LLVM_TOOLS_CLANG_TOOLS_EXTRA_CPP11_MIGRATE_USE_NULLPTR_MATCHERS_H
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