mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
//===- StringMatcher.h - Generate a matcher for input strings ---*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the StringMatcher class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef STRINGMATCHER_H
|
|
#define STRINGMATCHER_H
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
#include <utility>
|
|
#include "llvm/ADT/StringRef.h"
|
|
|
|
namespace llvm {
|
|
class raw_ostream;
|
|
|
|
/// StringMatcher - Given a list of strings and code to execute when they match,
|
|
/// output a simple switch tree to classify the input string.
|
|
///
|
|
/// If a match is found, the code in Vals[i].second is executed; control must
|
|
/// not exit this code fragment. If nothing matches, execution falls through.
|
|
///
|
|
class StringMatcher {
|
|
public:
|
|
typedef std::pair<std::string, std::string> StringPair;
|
|
private:
|
|
StringRef StrVariableName;
|
|
const std::vector<StringPair> &Matches;
|
|
raw_ostream &OS;
|
|
|
|
public:
|
|
StringMatcher(StringRef strVariableName,
|
|
const std::vector<StringPair> &matches, raw_ostream &os)
|
|
: StrVariableName(strVariableName), Matches(matches), OS(os) {}
|
|
|
|
void Emit(unsigned Indent = 0) const;
|
|
|
|
|
|
private:
|
|
bool EmitStringMatcherForChar(const std::vector<const StringPair*> &Matches,
|
|
unsigned CharNo, unsigned IndentCount) const;
|
|
};
|
|
|
|
} // end llvm namespace.
|
|
|
|
#endif
|