diff options
Diffstat (limited to 'contrib/llvm/lib/Support/Regex.cpp')
| -rw-r--r-- | contrib/llvm/lib/Support/Regex.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Support/Regex.cpp b/contrib/llvm/lib/Support/Regex.cpp index efc8b90..5413641 100644 --- a/contrib/llvm/lib/Support/Regex.cpp +++ b/contrib/llvm/lib/Support/Regex.cpp @@ -43,7 +43,7 @@ bool Regex::isValid(std::string &Error) { size_t len = llvm_regerror(error, preg, NULL, 0); - Error.resize(len); + Error.resize(len - 1); llvm_regerror(error, preg, &Error[0], len); return false; } @@ -168,3 +168,10 @@ std::string Regex::sub(StringRef Repl, StringRef String, return Res; } + +bool Regex::isLiteralERE(StringRef Str) { + // Check for regex metacharacters. This list was derived from our regex + // implementation in regcomp.c and double checked against the POSIX extended + // regular expression specification. + return Str.find_first_of("()^$|*+?.[]\\{}") == StringRef::npos; +} |
