comparison: src/Expression.h
src/Expression.h
- changeset 93
- 11a24b697f43
- parent 92
- 3a00d396bce2
- child 94
- 8915ee6a277d
equal
deleted
inserted
replaced
| 92:3a00d396bce2 | 93:11a24b697f43 |
|---|---|
| 36 // ============================================================================= | 36 // ============================================================================= |
| 37 // | 37 // |
| 38 class Expression final | 38 class Expression final |
| 39 { | 39 { |
| 40 public: | 40 public: |
| 41 enum ESymbolType | |
| 42 { | |
| 43 eOperatorSymbol, | |
| 44 eValueSymbol, | |
| 45 eColonSymbol, | |
| 46 }; | |
| 47 | |
| 48 using SymbolList = List<ExpressionSymbol*>; | |
| 49 | |
| 41 Expression (BotscriptParser* parser, Lexer* lx, EType reqtype); | 50 Expression (BotscriptParser* parser, Lexer* lx, EType reqtype); |
| 42 ~Expression(); | 51 ~Expression(); |
| 43 ExpressionValue* GetResult(); | 52 ExpressionValue* GetResult(); |
| 44 | 53 |
| 45 private: | 54 private: |
| 46 BotscriptParser* mParser; | 55 BotscriptParser* mParser; |
| 47 Lexer* mLexer; | 56 Lexer* mLexer; |
| 48 List<ExpressionSymbol*> mSymbols; | 57 SymbolList mSymbols; |
| 49 EType mType; | 58 EType mType; |
| 50 ExpressionValue* mResult; | 59 ExpressionValue* mResult; |
| 51 | 60 |
| 52 ExpressionValue* Evaluate(); // Process the expression and yield a result | 61 ExpressionValue* Evaluate(); // Process the expression and yield a result |
| 53 ExpressionSymbol* ParseSymbol(); | 62 ExpressionSymbol* ParseSymbol(); |
| 54 String GetTokenString(); | 63 String GetTokenString(); |
| 55 void AdjustOperators(); | 64 void AdjustOperators(); |
| 56 void Verify(); // Ensure the expr is valid | 65 void Verify(); // Ensure the expr is valid |
| 66 void TryVerifyValue (bool* verified, SymbolList::Iterator it); | |
| 57 }; | 67 }; |
| 58 | 68 |
| 59 // ============================================================================= | 69 // ============================================================================= |
| 60 // | 70 // |
| 61 class ExpressionSymbol | 71 class ExpressionSymbol |
| 62 { | 72 { |
| 63 public: | 73 public: |
| 64 enum EExpressionSymbolType | 74 ExpressionSymbol (Expression::ESymbolType type) : |
| 65 { | |
| 66 eOperatorSymbol, | |
| 67 eValueSymbol, | |
| 68 eColonSymbol, | |
| 69 }; | |
| 70 | |
| 71 ExpressionSymbol (EExpressionSymbolType type) : | |
| 72 mType (type) {} | 75 mType (type) {} |
| 73 | 76 |
| 74 PROPERTY (private, EExpressionSymbolType, Type, NO_OPS, STOCK_WRITE) | 77 PROPERTY (private, Expression::ESymbolType, Type, NO_OPS, STOCK_WRITE) |
| 75 }; | 78 }; |
| 76 | 79 |
| 77 // ============================================================================= | 80 // ============================================================================= |
| 78 // | 81 // |
| 79 class ExpressionOperator final : public ExpressionSymbol | 82 class ExpressionOperator final : public ExpressionSymbol |
| 80 { | 83 { |
| 81 PROPERTY (public, EOperator, ID, NO_OPS, STOCK_WRITE) | 84 PROPERTY (public, EOperator, ID, NO_OPS, STOCK_WRITE) |
| 82 | 85 |
| 83 public: | 86 public: |
| 84 ExpressionOperator (EOperator id); | 87 ExpressionOperator (EOperator id); |
| 85 }; | 88 }; |
| 86 | 89 |
| 87 // ============================================================================= | 90 // ============================================================================= |
| 88 // | 91 // |
| 89 class ExpressionValue final : public ExpressionSymbol | 92 class ExpressionValue final : public ExpressionSymbol |
| 90 { | 93 { |
| 91 PROPERTY (public, int, Value, NUM_OPS, STOCK_WRITE) | 94 PROPERTY (public, int, Value, NUM_OPS, STOCK_WRITE) |
| 92 PROPERTY (public, DataBuffer*, Buffer, NO_OPS, STOCK_WRITE) | 95 PROPERTY (public, DataBuffer*, Buffer, NO_OPS, STOCK_WRITE) |
| 93 PROPERTY (public, EType, ValueType, NO_OPS, STOCK_WRITE) | 96 PROPERTY (public, EType, ValueType, NO_OPS, STOCK_WRITE) |
| 94 | 97 |
| 95 public: | 98 public: |
| 96 ExpressionValue (EType valuetype); | 99 ExpressionValue (EType valuetype); |
| 97 ~ExpressionValue(); | 100 ~ExpressionValue(); |
| 98 | 101 |
| 112 // | 115 // |
| 113 class ExpressionColon final : public ExpressionSymbol | 116 class ExpressionColon final : public ExpressionSymbol |
| 114 { | 117 { |
| 115 public: | 118 public: |
| 116 ExpressionColon() : | 119 ExpressionColon() : |
| 117 ExpressionSymbol (eColonSymbol) {} | 120 ExpressionSymbol (Expression::eColonSymbol) {} |
| 118 }; | 121 }; |
| 119 | 122 |
| 120 #endif // BOTC_EXPRESSION_H | 123 #endif // BOTC_EXPRESSION_H |
