/[svn]/linuxsampler/trunk/src/scriptvm/tree.h
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Diff of /linuxsampler/trunk/src/scriptvm/tree.h

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revision 2879 by schoenebeck, Tue Apr 19 14:07:53 2016 UTC revision 3207 by schoenebeck, Thu May 25 10:53:45 2017 UTC
# Line 1  Line 1 
1  /*                                                              -*- c++ -*-  /*                                                              -*- c++ -*-
2   *   *
3   * Copyright (c) 2014 - 2016 Christian Schoenebeck and Andreas Persson   * Copyright (c) 2014 - 2017 Christian Schoenebeck and Andreas Persson
4   *   *
5   * http://www.linuxsampler.org   * http://www.linuxsampler.org
6   *   *
# Line 63  public: Line 63  public:
63  };  };
64  typedef Ref<IntExpr,Node> IntExprRef;  typedef Ref<IntExpr,Node> IntExprRef;
65    
66    /*class IntArrayExpr : virtual public VMIntArrayExpr, virtual public Expression {
67    public:
68        ExprType_t exprType() const { return INT_ARR_EXPR; }
69        String evalCastToStr();
70    };
71    typedef Ref<IntArrayExpr,Node> IntArrayExprRef;*/
72    
73  class StringExpr : virtual public VMStringExpr, virtual public Expression {  class StringExpr : virtual public VMStringExpr, virtual public Expression {
74  public:  public:
75      ExprType_t exprType() const { return STRING_EXPR; }      ExprType_t exprType() const { return STRING_EXPR; }
# Line 98  public: Line 105  public:
105      std::vector<ExpressionRef> args;      std::vector<ExpressionRef> args;
106      void add(ExpressionRef arg) { args.push_back(arg); }      void add(ExpressionRef arg) { args.push_back(arg); }
107      void dump(int level = 0);      void dump(int level = 0);
108      int argsCount() const { return args.size(); }      int argsCount() const { return (int) args.size(); }
109      VMExpr* arg(int i) { return (i >= 0 && i < argsCount()) ? &*args.at(i) : NULL; }      VMExpr* arg(int i) { return (i >= 0 && i < argsCount()) ? &*args.at(i) : NULL; }
110      bool isPolyphonic() const;      bool isPolyphonic() const;
111  };  };
112  typedef Ref<Args,Node> ArgsRef;  typedef Ref<Args,Node> ArgsRef;
113    
114  class Variable : virtual public Expression {  class Variable : virtual public VMVariable, virtual public Expression {
115  public:  public:
116      virtual bool isConstExpr() const { return bConst; }      bool isConstExpr() const OVERRIDE { return bConst; }
117        bool isAssignable() const OVERRIDE { return !bConst; }
118      virtual void assign(Expression* expr) = 0;      virtual void assign(Expression* expr) = 0;
119        void assignExpr(VMExpr* expr) OVERRIDE { Expression* e = dynamic_cast<Expression*>(expr); if (e) assign(e); }
120  protected:  protected:
121      Variable(ParserContext* ctx, int _memPos, bool _bConst)      Variable(ParserContext* ctx, int _memPos, bool _bConst)
122          : context(ctx), memPos(_memPos), bConst(_bConst) {}          : context(ctx), memPos(_memPos), bConst(_bConst) {}
# Line 148  class BuiltInIntVariable : public IntVar Line 157  class BuiltInIntVariable : public IntVar
157      VMIntRelPtr* ptr;      VMIntRelPtr* ptr;
158  public:  public:
159      BuiltInIntVariable(const String& name, VMIntRelPtr* ptr);      BuiltInIntVariable(const String& name, VMIntRelPtr* ptr);
160      void assign(Expression* expr);      bool isAssignable() const OVERRIDE { return !ptr->readonly; }
161      int evalInt();      void assign(Expression* expr) OVERRIDE;
162      void dump(int level = 0);      int evalInt() OVERRIDE;
163        void dump(int level = 0) OVERRIDE;
164  };  };
165  typedef Ref<BuiltInIntVariable,Node> BuiltInIntVariableRef;  typedef Ref<BuiltInIntVariable,Node> BuiltInIntVariableRef;
166    
# Line 320  public: Line 330  public:
330      virtual Statements* branch(uint i) const = 0;      virtual Statements* branch(uint i) const = 0;
331  };  };
332    
333    class DynamicVariableCall : public Variable, virtual public IntExpr, virtual public StringExpr {
334        VMDynVar* dynVar;
335        String varName;
336    public:
337        DynamicVariableCall(const String& name, ParserContext* ctx, VMDynVar* v);
338        ExprType_t exprType() const OVERRIDE { return dynVar->exprType(); }
339        bool isConstExpr() const OVERRIDE { return dynVar->isConstExpr(); }
340        bool isAssignable() const OVERRIDE { return dynVar->isAssignable(); }
341        bool isPolyphonic() const OVERRIDE { return false; }
342        void assign(Expression* expr) OVERRIDE { dynVar->assignExpr(expr); }
343        VMIntArrayExpr* asIntArray() const OVERRIDE { return dynVar->asIntArray(); }
344        int evalInt() OVERRIDE;
345        String evalStr() OVERRIDE;
346        String evalCastToStr() OVERRIDE;
347        void dump(int level = 0) OVERRIDE;
348    };
349    typedef Ref<DynamicVariableCall,Node> DynamicVariableCallRef;
350    
351  class FunctionCall : virtual public LeafStatement, virtual public IntExpr, virtual public StringExpr {  class FunctionCall : virtual public LeafStatement, virtual public IntExpr, virtual public StringExpr {
352      String functionName;      String functionName;
353      ArgsRef args;      ArgsRef args;
# Line 327  class FunctionCall : virtual public Leaf Line 355  class FunctionCall : virtual public Leaf
355  public:  public:
356      FunctionCall(const char* function, ArgsRef args, VMFunction* fn) :      FunctionCall(const char* function, ArgsRef args, VMFunction* fn) :
357          functionName(function), args(args), fn(fn) { }          functionName(function), args(args), fn(fn) { }
358      void dump(int level = 0);      void dump(int level = 0) OVERRIDE;
359      StmtFlags_t exec();      StmtFlags_t exec() OVERRIDE;
360      int evalInt();      int evalInt() OVERRIDE;
361      String evalStr();      VMIntArrayExpr* asIntArray() const OVERRIDE;
362      bool isConstExpr() const { return false; }      String evalStr() OVERRIDE;
363      ExprType_t exprType() const;      bool isConstExpr() const OVERRIDE { return false; }
364      String evalCastToStr();      ExprType_t exprType() const OVERRIDE;
365      bool isPolyphonic() const { return args->isPolyphonic(); }      String evalCastToStr() OVERRIDE;
366        bool isPolyphonic() const OVERRIDE { return args->isPolyphonic(); }
367  protected:  protected:
368      VMFnResult* execVMFn();      VMFnResult* execVMFn();
369  };  };
# Line 394  public: Line 423  public:
423      int evalInt() { return 0; }      int evalInt() { return 0; }
424      EventHandler* eventHandlerByName(const String& name) const;      EventHandler* eventHandlerByName(const String& name) const;
425      EventHandler* eventHandler(uint index) const;      EventHandler* eventHandler(uint index) const;
426      inline uint size() const { return args.size(); }      inline uint size() const { return (int) args.size(); }
427      bool isPolyphonic() const;      bool isPolyphonic() const;
428  };  };
429  typedef Ref<EventHandlers,Node> EventHandlersRef;  typedef Ref<EventHandlers,Node> EventHandlersRef;
# Line 518  public: Line 547  public:
547  };  };
548  typedef Ref<Or,Node> OrRef;  typedef Ref<Or,Node> OrRef;
549    
550    class BitwiseOr : virtual public BinaryOp, virtual public IntExpr {
551    public:
552        BitwiseOr(IntExprRef lhs, IntExprRef rhs) : BinaryOp(lhs,rhs) {}
553        int evalInt();
554        void dump(int level = 0);
555    };
556    typedef Ref<BitwiseOr,Node> BitwiseOrRef;
557    
558  class And : virtual public BinaryOp, virtual public IntExpr {  class And : virtual public BinaryOp, virtual public IntExpr {
559  public:  public:
560      And(IntExprRef lhs, IntExprRef rhs) : BinaryOp(lhs,rhs) {}      And(IntExprRef lhs, IntExprRef rhs) : BinaryOp(lhs,rhs) {}
# Line 526  public: Line 563  public:
563  };  };
564  typedef Ref<And,Node> AndRef;  typedef Ref<And,Node> AndRef;
565    
566    class BitwiseAnd : virtual public BinaryOp, virtual public IntExpr {
567    public:
568        BitwiseAnd(IntExprRef lhs, IntExprRef rhs) : BinaryOp(lhs,rhs) {}
569        int evalInt();
570        void dump(int level = 0);
571    };
572    typedef Ref<BitwiseAnd,Node> BitwiseAndRef;
573    
574  class Not : virtual public IntExpr {  class Not : virtual public IntExpr {
575      IntExprRef expr;      IntExprRef expr;
576  public:  public:
# Line 537  public: Line 582  public:
582  };  };
583  typedef Ref<Not,Node> NotRef;  typedef Ref<Not,Node> NotRef;
584    
585    class BitwiseNot : virtual public IntExpr {
586        IntExprRef expr;
587    public:
588        BitwiseNot(IntExprRef expr) : expr(expr) {}
589        int evalInt() { return ~expr->evalInt(); }
590        void dump(int level = 0);
591        bool isConstExpr() const { return expr->isConstExpr(); }
592        bool isPolyphonic() const { return expr->isPolyphonic(); }
593    };
594    typedef Ref<BitwiseNot,Node> BitwiseNotRef;
595    
596  class ParserContext : public VMParserContext {  class ParserContext : public VMParserContext {
597  public:  public:
598      struct Error {      struct Error {
# Line 555  public: Line 611  public:
611      std::set<String> userPreprocessorConditions;      std::set<String> userPreprocessorConditions;
612    
613      std::map<String,VariableRef> vartable;      std::map<String,VariableRef> vartable;
614        std::map<String,StatementsRef> userFnTable;
615      int globalIntVarCount;      int globalIntVarCount;
616      int globalStrVarCount;      int globalStrVarCount;
617      int polyphonicIntVarCount;      int polyphonicIntVarCount;
# Line 586  public: Line 643  public:
643      IntVariableRef globalIntVar(const String& name);      IntVariableRef globalIntVar(const String& name);
644      StringVariableRef globalStrVar(const String& name);      StringVariableRef globalStrVar(const String& name);
645      VariableRef variableByName(const String& name);      VariableRef variableByName(const String& name);
646      void addErr(int line, const char* txt);      StatementsRef userFunctionByName(const String& name);
647      void addWrn(int line, const char* txt);      void addErr(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt);
648        void addWrn(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt);
649      void createScanner(std::istream* is);      void createScanner(std::istream* is);
650      void destroyScanner();      void destroyScanner();
651      bool setPreprocessorCondition(const char* name);      bool setPreprocessorCondition(const char* name);
# Line 601  public: Line 659  public:
659      void registerBuiltInConstIntVariables(const std::map<String,int>& vars);      void registerBuiltInConstIntVariables(const std::map<String,int>& vars);
660      void registerBuiltInIntVariables(const std::map<String,VMIntRelPtr*>& vars);      void registerBuiltInIntVariables(const std::map<String,VMIntRelPtr*>& vars);
661      void registerBuiltInIntArrayVariables(const std::map<String,VMInt8Array*>& vars);      void registerBuiltInIntArrayVariables(const std::map<String,VMInt8Array*>& vars);
662        void registerBuiltInDynVariables(const std::map<String,VMDynVar*>& vars);
663  };  };
664    
665  class ExecContext : public VMExecContext {  class ExecContext : public VMExecContext {
# Line 650  public: Line 709  public:
709      int suspensionTimeMicroseconds() const OVERRIDE {      int suspensionTimeMicroseconds() const OVERRIDE {
710          return suspendMicroseconds;          return suspendMicroseconds;
711      }      }
712    
713        void resetPolyphonicData() OVERRIDE {
714            if (polyphonicIntMemory.empty()) return;
715            memset(&polyphonicIntMemory[0], 0, polyphonicIntMemory.size() * sizeof(int));
716        }
717  };  };
718    
719  } // namespace LinuxSampler  } // namespace LinuxSampler
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