comparison: src/Expression.h
src/Expression.h
- changeset 92
- 3a00d396bce2
- parent 91
- 427eb377d53e
- child 93
- 11a24b697f43
equal
deleted
inserted
replaced
| 91:427eb377d53e | 92:3a00d396bce2 |
|---|---|
| 6 class ExpressionSymbol; | 6 class ExpressionSymbol; |
| 7 class ExpressionValue; | 7 class ExpressionValue; |
| 8 | 8 |
| 9 // ============================================================================= | 9 // ============================================================================= |
| 10 // | 10 // |
| 11 enum EOperator | |
| 12 { | |
| 13 opNegateLogical, | |
| 14 opUnaryMinus, | |
| 15 opMultiplication, | |
| 16 opDivision, | |
| 17 opModulus, | |
| 18 opAddition, | |
| 19 opSubtraction, | |
| 20 opLeftShift, | |
| 21 opRightShift, | |
| 22 opCompareLesser, | |
| 23 opCompareGreater, | |
| 24 opCompareAtLeast, | |
| 25 opCompareAtMost, | |
| 26 opCompareEquals, | |
| 27 opCompareNotEquals, | |
| 28 opBitwiseAnd, | |
| 29 opBitwiseXOr, | |
| 30 opBitwiseOr, | |
| 31 opLogicalAnd, | |
| 32 opLogicalOr, | |
| 33 opTernary, | |
| 34 }; | |
| 35 | |
| 36 // ============================================================================= | |
| 37 // | |
| 11 class Expression final | 38 class Expression final |
| 12 { | 39 { |
| 13 public: | 40 public: |
| 14 Expression (BotscriptParser* parser, EType reqtype, Lexer* lx); | 41 Expression (BotscriptParser* parser, Lexer* lx, EType reqtype); |
| 15 ~Expression(); | 42 ~Expression(); |
| 16 ExpressionValue* GetResult(); | 43 ExpressionValue* GetResult(); |
| 17 | 44 |
| 18 private: | 45 private: |
| 46 BotscriptParser* mParser; | |
| 19 Lexer* mLexer; | 47 Lexer* mLexer; |
| 20 List<ExpressionSymbol*> mSymbols; | 48 List<ExpressionSymbol*> mSymbols; |
| 21 EType mType; | 49 EType mType; |
| 22 ExpressionValue* mResult; | 50 ExpressionValue* mResult; |
| 23 BotscriptParser* mParser; | |
| 24 | 51 |
| 25 ExpressionValue* Evaluate(); // Process the expression and yield a result | 52 ExpressionValue* Evaluate(); // Process the expression and yield a result |
| 26 ExpressionSymbol* ParseSymbol(); | 53 ExpressionSymbol* ParseSymbol(); |
| 27 String GetTokenString(); | 54 String GetTokenString(); |
| 55 void AdjustOperators(); | |
| 28 void Verify(); // Ensure the expr is valid | 56 void Verify(); // Ensure the expr is valid |
| 29 }; | 57 }; |
| 30 | 58 |
| 31 // ============================================================================= | 59 // ============================================================================= |
| 32 // | 60 // |
| 33 class ExpressionSymbol | 61 class ExpressionSymbol |
| 34 { | 62 { |
| 35 public: | 63 public: |
| 36 enum EExpressionSymbolType | 64 enum EExpressionSymbolType |
| 37 { | 65 { |
| 38 eOperator, | 66 eOperatorSymbol, |
| 39 eOperand, | 67 eValueSymbol, |
| 40 eColon, | 68 eColonSymbol, |
| 41 }; | 69 }; |
| 70 | |
| 71 ExpressionSymbol (EExpressionSymbolType type) : | |
| 72 mType (type) {} | |
| 42 | 73 |
| 43 PROPERTY (private, EExpressionSymbolType, Type, NO_OPS, STOCK_WRITE) | 74 PROPERTY (private, EExpressionSymbolType, Type, NO_OPS, STOCK_WRITE) |
| 44 }; | 75 }; |
| 45 | 76 |
| 46 // ============================================================================= | 77 // ============================================================================= |
| 47 // | 78 // |
| 48 class ExpressionOperator final : public ExpressionSymbol | 79 class ExpressionOperator final : public ExpressionSymbol |
| 49 { | 80 { |
| 50 PROPERTY (public, int, ID, NO_OPS, STOCK_WRITE) | 81 PROPERTY (public, EOperator, ID, NO_OPS, STOCK_WRITE) |
| 51 | 82 |
| 52 public: | 83 public: |
| 53 ExpressionOperator (int id); | 84 ExpressionOperator (EOperator id); |
| 54 }; | 85 }; |
| 55 | 86 |
| 56 // ============================================================================= | 87 // ============================================================================= |
| 57 // | 88 // |
| 58 class ExpressionValue final : public ExpressionSymbol | 89 class ExpressionValue final : public ExpressionSymbol |
| 59 { | 90 { |
| 60 PROPERTY (public, int, Value, BOOL_OPS, STOCK_WRITE) | 91 PROPERTY (public, int, Value, NUM_OPS, STOCK_WRITE) |
| 61 PROPERTY (public, DataBuffer*, Buffer, NO_OPS, STOCK_WRITE) | 92 PROPERTY (public, DataBuffer*, Buffer, NO_OPS, STOCK_WRITE) |
| 62 PROPERTY (public, EType, ValueType, NO_OPS, STOCK_WRITE) | 93 PROPERTY (public, EType, ValueType, NO_OPS, STOCK_WRITE) |
| 63 | 94 |
| 64 public: | 95 public: |
| 65 ExpressionValue (EType valuetype); | 96 ExpressionValue (EType valuetype); |
| 97 ~ExpressionValue(); | |
| 66 | 98 |
| 67 void ConvertToBuffer(); | 99 void ConvertToBuffer(); |
| 68 | 100 |
| 69 inline bool IsConstexpr() const | 101 inline bool IsConstexpr() const |
| 70 { | 102 { |
| 80 // | 112 // |
| 81 class ExpressionColon final : public ExpressionSymbol | 113 class ExpressionColon final : public ExpressionSymbol |
| 82 { | 114 { |
| 83 public: | 115 public: |
| 84 ExpressionColon() : | 116 ExpressionColon() : |
| 85 mType (eColon) {} | 117 ExpressionSymbol (eColonSymbol) {} |
| 86 }; | 118 }; |
| 87 | 119 |
| 88 #endif // BOTC_EXPRESSION_H | 120 #endif // BOTC_EXPRESSION_H |
