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      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 DEP_H_
     16 #define DEP_H_
     17 
     18 #include <string>
     19 #include <unordered_map>
     20 #include <vector>
     21 
     22 #include "loc.h"
     23 #include "string_piece.h"
     24 #include "symtab.h"
     25 
     26 class Evaluator;
     27 class Rule;
     28 class Value;
     29 class Var;
     30 class Vars;
     31 
     32 struct DepNode {
     33   DepNode(Symbol output, bool is_phony, bool is_restat);
     34 
     35   Symbol output;
     36   vector<Value*> cmds;
     37   vector<DepNode*> deps;
     38   vector<DepNode*> order_onlys;
     39   vector<DepNode*> parents;
     40   bool has_rule;
     41   bool is_default_target;
     42   bool is_phony;
     43   bool is_restat;
     44   vector<Symbol> actual_inputs;
     45   vector<Symbol> actual_order_only_inputs;
     46   Vars* rule_vars;
     47   Var* depfile_var;
     48   Symbol output_pattern;
     49   Loc loc;
     50 };
     51 
     52 void InitDepNodePool();
     53 void QuitDepNodePool();
     54 
     55 void MakeDep(Evaluator* ev,
     56              const vector<const Rule*>& rules,
     57              const unordered_map<Symbol, Vars*>& rule_vars,
     58              const vector<Symbol>& targets,
     59              vector<DepNode*>* nodes);
     60 
     61 #endif  // DEP_H_
     62