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 COMMAND_H_
16 #define COMMAND_H_
17 
18 #include <vector>
19 
20 #include "symtab.h"
21 
22 using namespace std;
23 
24 struct DepNode;
25 class Evaluator;
26 
27 struct Command {
CommandCommand28   explicit Command(Symbol o)
29       : output(o), echo(true), ignore_error(false) {
30   }
31   Symbol output;
32   string cmd;
33   bool echo;
34   bool ignore_error;
35 };
36 
37 class CommandEvaluator {
38  public:
39   explicit CommandEvaluator(Evaluator* ev);
40   void Eval(DepNode* n, vector<Command*>* commands);
current_dep_node()41   const DepNode* current_dep_node() const { return current_dep_node_; }
42 
43  private:
44   Evaluator* ev_;
45   DepNode* current_dep_node_;
46 };
47 
48 #endif  // COMMAND_H_
49