Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 1 | #ifndef EVAL_H_ |
| 2 | #define EVAL_H_ |
| 3 | |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 4 | #include <memory> |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 5 | #include <unordered_map> |
| 6 | #include <vector> |
| 7 | |
| 8 | #include "loc.h" |
| 9 | #include "string_piece.h" |
| 10 | |
| 11 | using namespace std; |
| 12 | |
| 13 | class AssignAST; |
| 14 | class CommandAST; |
Shinichiro Hamaji | 42b625f | 2015-06-16 23:07:21 +0900 | [diff] [blame] | 15 | class ExportAST; |
| 16 | class IfAST; |
| 17 | class IncludeAST; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 18 | class Makefile; |
| 19 | class Rule; |
| 20 | class RuleAST; |
| 21 | class Var; |
| 22 | class Vars; |
| 23 | |
| 24 | struct EvalResult { |
| 25 | ~EvalResult(); |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 26 | vector<shared_ptr<Rule>> rules; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 27 | Vars* vars; |
| 28 | unordered_map<StringPiece, Vars*> rule_vars; |
| 29 | // TODO: read_mks |
| 30 | unordered_map<StringPiece, bool> exports; |
| 31 | }; |
| 32 | |
| 33 | class Evaluator { |
| 34 | public: |
| 35 | Evaluator(const Vars* vars); |
| 36 | ~Evaluator(); |
| 37 | |
| 38 | void EvalAssign(const AssignAST* ast); |
| 39 | void EvalRule(const RuleAST* ast); |
| 40 | void EvalCommand(const CommandAST* ast); |
Shinichiro Hamaji | 42b625f | 2015-06-16 23:07:21 +0900 | [diff] [blame] | 41 | void EvalIf(const IfAST* ast); |
| 42 | void EvalInclude(const IncludeAST* ast); |
| 43 | void EvalExport(const ExportAST* ast); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 44 | |
Shinichiro Hamaji | 6e6de8d | 2015-06-18 11:12:58 +0900 | [diff] [blame] | 45 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 46 | Var* LookupVar(StringPiece name); |
| 47 | // For target specific variables. |
| 48 | Var* LookupVarInCurrentScope(StringPiece name); |
| 49 | |
| 50 | EvalResult* GetEvalResult(); |
| 51 | |
Shinichiro Hamaji | 9619b36 | 2015-06-16 16:13:25 +0900 | [diff] [blame] | 52 | const Loc& loc() const { return loc_; } |
| 53 | |
Shinichiro Hamaji | cf0cd68 | 2015-06-18 16:18:13 +0900 | [diff] [blame] | 54 | Vars* mutable_vars() { return vars_; } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 55 | |
Shinichiro Hamaji | 9619b36 | 2015-06-16 16:13:25 +0900 | [diff] [blame] | 56 | void Error(const string& msg); |
| 57 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 58 | private: |
Shinichiro Hamaji | 6e6de8d | 2015-06-18 11:12:58 +0900 | [diff] [blame] | 59 | void DoInclude(const char* fname, bool should_exist); |
| 60 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 61 | const Vars* in_vars_; |
| 62 | Vars* vars_; |
| 63 | unordered_map<StringPiece, Vars*> rule_vars_; |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 64 | vector<shared_ptr<Rule>> rules_; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 65 | Rule* last_rule_; |
| 66 | |
| 67 | Loc loc_; |
| 68 | }; |
| 69 | |
| 70 | #endif // EVAL_H_ |