LCOV - code coverage report
Current view: top level - include/llvm/TableGen - StringMatcher.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 1 1 100.0 %
Date: 2017-09-14 15:23:50 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- StringMatcher.h - Generate a matcher for input strings ---*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : //
      10             : // This file implements the StringMatcher class.
      11             : //
      12             : //===----------------------------------------------------------------------===//
      13             : 
      14             : #ifndef LLVM_TABLEGEN_STRINGMATCHER_H
      15             : #define LLVM_TABLEGEN_STRINGMATCHER_H
      16             : 
      17             : #include "llvm/ADT/StringRef.h"
      18             : #include <string>
      19             : #include <utility>
      20             : #include <vector>
      21             : 
      22             : namespace llvm {
      23             : 
      24             : class raw_ostream;
      25             : 
      26             : /// StringMatcher - Given a list of strings and code to execute when they match,
      27             : /// output a simple switch tree to classify the input string.
      28             : ///
      29             : /// If a match is found, the code in Vals[i].second is executed; control must
      30             : /// not exit this code fragment.  If nothing matches, execution falls through.
      31             : ///
      32             : class StringMatcher {
      33             : public:
      34             :   using StringPair = std::pair<std::string, std::string>;
      35             : 
      36             : private:
      37             :   StringRef StrVariableName;
      38             :   const std::vector<StringPair> &Matches;
      39             :   raw_ostream &OS;
      40             : 
      41             : public:
      42             :   StringMatcher(StringRef strVariableName,
      43             :                 const std::vector<StringPair> &matches, raw_ostream &os)
      44          43 :     : StrVariableName(strVariableName), Matches(matches), OS(os) {}
      45             : 
      46             :   void Emit(unsigned Indent = 0) const;
      47             : 
      48             : private:
      49             :   bool EmitStringMatcherForChar(const std::vector<const StringPair*> &Matches,
      50             :                                 unsigned CharNo, unsigned IndentCount) const;
      51             : };
      52             : 
      53             : } // end namespace llvm
      54             : 
      55             : #endif // LLVM_TABLEGEN_STRINGMATCHER_H

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