diff options
Diffstat (limited to 'include/llvm/Support/raw_ostream.h')
| -rw-r--r-- | include/llvm/Support/raw_ostream.h | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h index 6bc8935b14..6bfae5e298 100644 --- a/include/llvm/Support/raw_ostream.h +++ b/include/llvm/Support/raw_ostream.h @@ -15,7 +15,7 @@ #define LLVM_SUPPORT_RAW_OSTREAM_H #include "llvm/ADT/StringRef.h" -#include "llvm/System/DataTypes.h" +#include "llvm/Support/DataTypes.h" namespace llvm { class format_object_base; @@ -165,7 +165,7 @@ public: } raw_ostream &operator<<(const char *Str) { - // Inline fast path, particulary for constant strings where a sufficiently + // Inline fast path, particularly for constant strings where a sufficiently // smart compiler will simplify strlen. return this->operator<<(StringRef(Str)); @@ -196,7 +196,7 @@ public: /// write_escaped - Output \arg Str, turning '\\', '\t', '\n', '"', and /// anything that doesn't satisfy std::isprint into an escape sequence. - raw_ostream &write_escaped(StringRef Str); + raw_ostream &write_escaped(StringRef Str, bool UseHexEscapes = false); raw_ostream &write(unsigned char C); raw_ostream &write(const char *Ptr, size_t Size); @@ -301,6 +301,10 @@ class raw_fd_ostream : public raw_ostream { /// bool Error; + /// Controls whether the stream should attempt to use atomic writes, when + /// possible. + bool UseAtomicWrites; + uint64_t pos; /// write_impl - See raw_ostream::write_impl. @@ -358,9 +362,19 @@ public: void close(); /// seek - Flushes the stream and repositions the underlying file descriptor - /// positition to the offset specified from the beginning of the file. + /// position to the offset specified from the beginning of the file. uint64_t seek(uint64_t off); + /// SetUseAtomicWrite - Set the stream to attempt to use atomic writes for + /// individual output routines where possible. + /// + /// Note that because raw_ostream's are typically buffered, this flag is only + /// sensible when used on unbuffered streams which will flush their output + /// immediately. + void SetUseAtomicWrites(bool Value) { + UseAtomicWrites = Value; + } + virtual raw_ostream &changeColor(enum Colors colors, bool bold=false, bool bg=false); virtual raw_ostream &resetColor(); |