1 // Copyright 2015 Google Inc. All rights reserved 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef RULE_H_ 16 #define RULE_H_ 17 18 #include <functional> 19 #include <string> 20 #include <vector> 21 22 #include "loc.h" 23 #include "log.h" 24 #include "stmt.h" 25 #include "string_piece.h" 26 #include "symtab.h" 27 28 using namespace std; 29 30 class Value; 31 32 class Rule { 33 public: 34 Rule(); 35 cmd_loc()36 Loc cmd_loc() const { return Loc(loc.filename, cmd_lineno); } 37 38 string DebugString() const; 39 40 void ParseInputs(const StringPiece& inputs_string); 41 42 void ParsePrerequisites(const StringPiece& line, 43 size_t pos, 44 const RuleStmt* rule_stmt); 45 IsPatternRule(const StringPiece & target_string)46 static bool IsPatternRule(const StringPiece& target_string) { 47 return target_string.find('%') != string::npos; 48 } 49 50 vector<Symbol> outputs; 51 vector<Symbol> inputs; 52 vector<Symbol> order_only_inputs; 53 vector<Symbol> output_patterns; 54 bool is_double_colon; 55 bool is_suffix_rule; 56 vector<Value*> cmds; 57 Loc loc; 58 int cmd_lineno; 59 60 private: Error(const string & msg)61 void Error(const string& msg) { ERROR_LOC(loc, "%s", msg.c_str()); } 62 }; 63 64 #endif // RULE_H_ 65