| #ifndef LLVM_CLANG_FORMAT_PARSING_H |
| #define LLVM_CLANG_FORMAT_PARSING_H |
| |
| #include "clang/Analysis/Analyses/FormatString.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/AST/Type.h" |
| #include "llvm/Support/raw_ostream.h" |
| |
| template <typename T> |
| class UpdateOnReturn { |
| T &ValueToUpdate; |
| const T &ValueToCopy; |
| public: |
| UpdateOnReturn(T &valueToUpdate, const T &valueToCopy) |
| : ValueToUpdate(valueToUpdate), ValueToCopy(valueToCopy) {} |
| |
| ~UpdateOnReturn() { |
| ValueToUpdate = ValueToCopy; |
| } |
| }; |
| |
| namespace clang { |
| namespace analyze_format_string { |
| |
| OptionalAmount ParseAmount(const char *&Beg, const char *E); |
| OptionalAmount ParseNonPositionAmount(const char *&Beg, const char *E, |
| unsigned &argIndex); |
| |
| OptionalAmount ParsePositionAmount(FormatStringHandler &H, |
| const char *Start, const char *&Beg, |
| const char *E, PositionContext p); |
| |
| bool ParseFieldWidth(FormatStringHandler &H, |
| FormatSpecifier &CS, |
| const char *Start, const char *&Beg, const char *E, |
| unsigned *argIndex); |
| |
| bool ParseArgPosition(FormatStringHandler &H, |
| FormatSpecifier &CS, const char *Start, |
| const char *&Beg, const char *E); |
| |
| /// Returns true if a LengthModifier was parsed and installed in the |
| /// FormatSpecifier& argument, and false otherwise. |
| bool ParseLengthModifier(FormatSpecifier &FS, const char *&Beg, const char *E); |
| |
| template <typename T> class SpecifierResult { |
| T FS; |
| const char *Start; |
| bool Stop; |
| public: |
| SpecifierResult(bool stop = false) |
| : Start(0), Stop(stop) {} |
| SpecifierResult(const char *start, |
| const T &fs) |
| : FS(fs), Start(start), Stop(false) {} |
| |
| const char *getStart() const { return Start; } |
| bool shouldStop() const { return Stop; } |
| bool hasValue() const { return Start != 0; } |
| const T &getValue() const { |
| assert(hasValue()); |
| return FS; |
| } |
| const T &getValue() { return FS; } |
| }; |
| |
| } // end analyze_format_string namespace |
| } // end clang namespace |
| |
| #endif |
| |