1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
|
//===-- IncludeFixer.h - Include inserter -----------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_INCLUDE_FIXER_INCLUDEFIXER_H
#define LLVM_CLANG_TOOLS_EXTRA_INCLUDE_FIXER_INCLUDEFIXER_H
#include "IncludeFixerContext.h"
#include "SymbolIndexManager.h"
#include "clang/Format/Format.h"
#include "clang/Sema/ExternalSemaSource.h"
#include "clang/Tooling/Core/Replacement.h"
#include "clang/Tooling/Tooling.h"
#include <memory>
#include <vector>
namespace clang {
class CompilerInvocation;
class DiagnosticConsumer;
class FileManager;
class PCHContainerOperations;
namespace include_fixer {
class IncludeFixerActionFactory : public clang::tooling::ToolAction {
public:
/// \param SymbolIndexMgr A source for matching symbols to header files.
/// \param Contexts The contexts for the symbols being queried.
/// \param StyleName Fallback style for reformatting.
/// \param MinimizeIncludePaths whether inserted include paths are optimized.
IncludeFixerActionFactory(SymbolIndexManager &SymbolIndexMgr,
std::vector<IncludeFixerContext> &Contexts,
StringRef StyleName,
bool MinimizeIncludePaths = true);
~IncludeFixerActionFactory() override;
bool
runInvocation(std::shared_ptr<clang::CompilerInvocation> Invocation,
clang::FileManager *Files,
std::shared_ptr<clang::PCHContainerOperations> PCHContainerOps,
clang::DiagnosticConsumer *Diagnostics) override;
private:
/// The client to use to find cross-references.
SymbolIndexManager &SymbolIndexMgr;
/// Multiple contexts for files being processed.
std::vector<IncludeFixerContext> &Contexts;
/// Whether inserted include paths should be optimized.
bool MinimizeIncludePaths;
/// The fallback format style for formatting after insertion if no
/// clang-format config file was found.
std::string FallbackStyle;
};
/// Create replacements, which are generated by clang-format, for the
/// missing header and missing qualifiers insertions. The function uses the
/// first header for insertion.
///
/// \param Code The source code.
/// \param Context The context which contains all information for creating
/// clang-include-fixer replacements.
/// \param Style clang-format style being used.
/// \param AddQualifiers Whether we should add qualifiers to all instances of
/// an unidentified symbol.
///
/// \return Formatted replacements for inserting, sorting headers and adding
/// qualifiers on success; otherwise, an llvm::Error carrying llvm::StringError
/// is returned.
llvm::Expected<tooling::Replacements> createIncludeFixerReplacements(
StringRef Code, const IncludeFixerContext &Context,
const format::FormatStyle &Style = format::getLLVMStyle(),
bool AddQualifiers = true);
/// Handles callbacks from sema, does the include lookup and turns it into an
/// IncludeFixerContext.
class IncludeFixerSemaSource : public clang::ExternalSemaSource {
public:
explicit IncludeFixerSemaSource(SymbolIndexManager &SymbolIndexMgr,
bool MinimizeIncludePaths,
bool GenerateDiagnostics)
: SymbolIndexMgr(SymbolIndexMgr),
MinimizeIncludePaths(MinimizeIncludePaths),
GenerateDiagnostics(GenerateDiagnostics) {}
void setCompilerInstance(CompilerInstance *CI) { this->CI = CI; }
void setFilePath(StringRef FilePath) {
this->FilePath = std::string(FilePath);
}
/// Callback for incomplete types. If we encounter a forward declaration we
/// have the fully qualified name ready. Just query that.
bool MaybeDiagnoseMissingCompleteType(clang::SourceLocation Loc,
clang::QualType T) override;
/// Callback for unknown identifiers. Try to piece together as much
/// qualification as we can get and do a query.
clang::TypoCorrection CorrectTypo(const DeclarationNameInfo &Typo,
int LookupKind, Scope *S, CXXScopeSpec *SS,
CorrectionCandidateCallback &CCC,
DeclContext *MemberContext,
bool EnteringContext,
const ObjCObjectPointerType *OPT) override;
/// Get the minimal include for a given path.
std::string minimizeInclude(StringRef Include,
const clang::SourceManager &SourceManager,
clang::HeaderSearch &HeaderSearch) const;
/// Get the include fixer context for the queried symbol.
IncludeFixerContext getIncludeFixerContext(
const clang::SourceManager &SourceManager,
clang::HeaderSearch &HeaderSearch,
ArrayRef<find_all_symbols::SymbolInfo> MatchedSymbols) const;
/// Get the global matched symbols.
ArrayRef<find_all_symbols::SymbolInfo> getMatchedSymbols() const {
return MatchedSymbols;
}
private:
/// Query the database for a given identifier.
std::vector<find_all_symbols::SymbolInfo>
query(StringRef Query, StringRef ScopedQualifiers, tooling::Range Range);
CompilerInstance *CI;
/// The client to use to find cross-references.
SymbolIndexManager &SymbolIndexMgr;
/// The information of the symbols being queried.
std::vector<IncludeFixerContext::QuerySymbolInfo> QuerySymbolInfos;
/// All symbol candidates which match QuerySymbol. We only include the first
/// discovered identifier to avoid getting caught in results from error
/// recovery.
std::vector<find_all_symbols::SymbolInfo> MatchedSymbols;
/// The file path to the file being processed.
std::string FilePath;
/// Whether we should use the smallest possible include path.
bool MinimizeIncludePaths = true;
/// Whether we should generate diagnostics with fixits for missing symbols.
bool GenerateDiagnostics = false;
};
} // namespace include_fixer
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_INCLUDE_FIXER_INCLUDEFIXER_H
|