//
//===----------------------------------------------------------------------===//
+#ifndef LLVM_SUPPORT_REGEX_H
+#define LLVM_SUPPORT_REGEX_H
+
#include <string>
struct llvm_regex;
namespace llvm {
class StringRef;
template<typename T> class SmallVectorImpl;
-
+
class Regex {
public:
enum {
/// Compile for matching that ignores upper/lower case distinctions.
IgnoreCase=1,
/// Compile for newline-sensitive matching. With this flag '[^' bracket
- /// expressions and '.' never match newline. A ^ anchor matches the
- /// null string after any newline in the string in addition to its normal
- /// function, and the $ anchor matches the null string before any
+ /// expressions and '.' never match newline. A ^ anchor matches the
+ /// null string after any newline in the string in addition to its normal
+ /// function, and the $ anchor matches the null string before any
/// newline in the string in addition to its normal function.
Newline=2
};
/// Compiles the given POSIX Extended Regular Expression \arg Regex.
/// This implementation supports regexes and matching strings with embedded
/// NUL characters.
- Regex(const StringRef &Regex, unsigned Flags = NoFlags);
+ Regex(StringRef Regex, unsigned Flags = NoFlags);
~Regex();
/// isValid - returns the error encountered during regex compilation, or
/// matches it contains. The number filled in by match will include this
/// many entries plus one for the whole regex (as element 0).
unsigned getNumMatches() const;
-
+
/// matches - Match the regex against a given \arg String.
///
- /// \param Matches - If given, on a succesful match this will be filled in
+ /// \param Matches - If given, on a successful match this will be filled in
/// with references to the matched group expressions (inside \arg String),
/// the first group is always the entire pattern.
///
/// This returns true on a successful match.
- bool match(const StringRef &String, SmallVectorImpl<StringRef> *Matches=0);
+ bool match(StringRef String, SmallVectorImpl<StringRef> *Matches = 0);
/// sub - Return the result of replacing the first match of the regex in
/// \arg String with the \arg Repl string. Backreferences like "\0" in the
int error;
};
}
+
+#endif // LLVM_SUPPORT_REGEX_H