--- parser3/src/include/Attic/pa_value.h 2001/02/21 14:59:41 1.11 +++ parser3/src/include/Attic/pa_value.h 2001/03/06 14:09:35 1.38 @@ -1,5 +1,5 @@ /* - $Id: pa_value.h,v 1.11 2001/02/21 14:59:41 paf Exp $ + $Id: pa_value.h,v 1.38 2001/03/06 14:09:35 paf Exp $ */ /* @@ -10,30 +10,33 @@ #define PA_VALUE_H #include "pa_pool.h" -#include "pa_exception.h" #include "pa_string.h" #include "pa_array.h" //#include "pa_voperator.h" +#define NAME_NAME "NAME" + class Value; class VClass; //class VOperator; class Junction; class WContext; +class VAliased; class Method : public Pooled { public: const String& name; Array& params_names; Array& locals_names; - Array& code; + const Array& code; Method( Pool& apool, const String& aname, Array& aparams_names, Array& alocals_names, - Array& acode) : + const Array& acode) : + Pooled(apool), name(aname), params_names(aparams_names), @@ -49,69 +52,102 @@ class Operator : public Method { }; */ -class Method_ref { +class Junction : public Pooled { public: - Value *self; - Method& method; -}; -class Junction { - bool auto_calc; - Value& root; - Value *self; - Value& rcontext; - WContext& wcontext; - Array& code; + Junction(Pool& apool, + Value& aself, + VClass *avclass, Method *amethod, + Value *aroot, + Value *arcontext, + WContext *awcontext, + const Array *acode) : Pooled(apool), + + self(aself), + vclass(avclass), method(amethod), + root(aroot), + rcontext(arcontext), + wcontext(awcontext), + code(acode) { + } + + Value& self; + VClass *vclass; Method *method; + Value *root; + Value *rcontext; + WContext *wcontext; + const Array *code; }; class Value : public Pooled { -public: - - Value(Pool& apool) : Pooled(apool) {} - -public: +public: // Value // all: for error reporting after fail(), etc - virtual const char *get_type() const =0; + virtual const char *type() const =0; + /*const*/ String& name() const { return *fname; } - // text: value - // object_class: [class classname] - virtual String *get_string() { failed("getting string representation"); return 0; } + // string: value + // unknown: "" + // double: value + // others: 0 + virtual String *get_string() { return 0; } - // text: value - virtual void put_string(const String *astring) { failed("storing string"); } + // string: value + virtual void put_string(String *astring) { failed("storing string to '%s'"); } - // method_ref: self, method - virtual Method_ref *get_method_ref() { failed("extracting method reference"); return 0; } + // string: value + // double: value + virtual double get_double() { failed("getting numerical value of '%s'"); return 0; } // junction: auto_calc,root,self,rcontext,wcontext, code - virtual Junction *get_junction() { failed("getting junction"); return 0; } + virtual Junction *get_junction() { return 0; } // hash: (key)=value // object_class: (field)=STATIC.value;(STATIC)=hash;(method)=method_ref with self=object_class - // object_instance: (field)=value;(STATIC)=hash;(method)=method_ref + // object_instance: (field)=value;(CLASS)=vclass;(method)=method_ref // operator_class: (field)=value - static values only - virtual Value *get_element(const String& name) const =0; - + // codeframe: wcontext_transparent + // methodframe: my or self_transparent + virtual Value *get_element(const String& name) { failed("type is '%s', can not get element from it"); return 0; } + + // hash: (key)=value // object_class, operator_class: (field)=value - static values only - virtual void put_element(const String& name, Value *value)=0; - - // object_instance, object_class: method - virtual Method *get_method(const String& name) const { return 0; } + // object_instance: (field)=value + // codeframe: wcontext_transparent + // methodframe: my or self_transparent + virtual void put_element(const String& name, Value *value) { failed("type is '%s', can not put element to it"); } // object_class, object_instance: object_class + // wcontext: none yet | transparent virtual VClass *get_class() { return 0; } - // object_class: true when this class is this or derived from 'ancestor' - virtual bool is_or_derived_from(VClass& ancestor) { failed("thoghts of ancestors"); return false; } + // valiased: this + // wcontext: transparent + // methodframe: self_transparent + virtual VAliased *get_aliased() { return 0; } -private: +public: // usage + + Value(Pool& apool) : Pooled(apool), fname(new(apool) String(apool)) { + fname->APPEND_CONST("unnamed"); + } + + void set_name(String& aname) { fname=&aname; } - void failed(char *action) { - pool().exception().raise(0,0, - 0, - action); + String& as_string() { + String *result=get_string(); + if(!result) + failed("getting string of '%s'"); + return *result; } + +private: + + String *fname; + +private: + + void failed(char *action); }; /*