--- parser3/src/include/Attic/pa_value.h 2001/02/13 15:10:45 1.5 +++ parser3/src/include/Attic/pa_value.h 2001/02/24 11:46:03 1.25 @@ -1,5 +1,5 @@ /* - $Id: pa_value.h,v 1.5 2001/02/13 15:10:45 paf Exp $ + $Id: pa_value.h,v 1.25 2001/02/24 11:46:03 paf Exp $ */ /* @@ -9,41 +9,139 @@ #ifndef PA_VALUE_H #define PA_VALUE_H +#include "pa_pool.h" #include "pa_string.h" +#include "pa_array.h" +//#include "pa_voperator.h" -class Method { +class Value; +class VClass; +//class VOperator; +class Junction; +class WContext; + +class Method : public Pooled { public: - Array param_names; - Array local_names; - String code; + const String& name; + Array& params_names; + Array& locals_names; + const Array& code; + + Method( + Pool& apool, + const String& aname, + Array& aparams_names, + Array& alocals_names, + const Array& acode) : + + Pooled(apool), + name(aname), + params_names(aparams_names), + locals_names(alocals_names), + code(acode) { + } }; -class Method_ref { -public: - Value *self; - Method& method; +/* +class Operator : public Method { + // operator module static vars stored in there + VOperator_class *self; }; +*/ -class Value { +class Junction : public Pooled { public: - // text: value - virtual String *get_string() const =0; - virtual String *put_string(const String *astring)=0; - // method_ref: "self" part, method - virtual Method_ref *get_method_ref() const =0; + Junction(Pool& apool, + Value& aself, + Method *amethod, + Value *aroot, + Value *arcontext, + WContext *awcontext, + const Array *acode) : Pooled(apool), + + self(aself), + method(amethod), + root(aroot), + rcontext(arcontext), + wcontext(awcontext), + code(acode) { + } + + Value& self; + Method *method; + Value *root; + Value *rcontext; + WContext *wcontext; + const Array *code; +}; + +class Value : public Pooled { +public: // Value + + // all: for error reporting after fail(), etc + virtual const char *type() const =0; + const String *name() const { return fname; } + + // string: value + // unknown: "" + // others: 0 + virtual String *get_string() { return 0; } + + // string: value + virtual void put_string(String *astring) { failed("storing string to '%s'"); } + + // junction: auto_calc,root,self,rcontext,wcontext, code + 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 - virtual Value *get_element(const String& name) const =0; - virtual Value *put_element(const String& name, const Value *avalue)=0; - - // object_instance, object_class: method - virtual Method *get_method(const String& name) const =0; + // operator_class: (field)=value - static values only + // wcontext: transparent + // frame: my or self_transparent + // codeframe: wcontext_transparent + virtual Value *get_element(const String& name) { failed("is '%s', can not get element from it"); return 0; } + + // hash: (key)=value + // object_class, operator_class: (field)=value - static values only + // wcontext: transparent + // frame: my or self_transparent + // codeframe: wcontext_transparent + virtual void put_element(const String& name, Value *value) { failed("is '%s', can not put element to it"); } // object_class, object_instance: object_class - virtual Class *get_class() const =0; + // frame: transparent + // wcontext: transparent + // codeframe: wcontext_transparent + virtual VClass *get_class() { return 0; } + + // object_class: true when this class is this or derived from 'ancestor' + // frame: transparent + // wcontext: transparent + // codeframe: wcontext_transparent + virtual bool is_or_derived_from(VClass& ancestor) { failed("thoghts of ancestors of '%s'"); return false; } + +public: // usage + + Value(Pool& apool) : Pooled(apool), fname(0) {} + + void set_name(const String& aname) { fname=&aname; } + + String& as_string() { + String *result=get_string(); + if(!result) + failed("getting string of '%s'"); + return *result; + } + +private: + + const String *fname; + +private: + + void failed(char *action); }; /* @@ -55,8 +153,7 @@ descendants: object_instance:+ object_class, fields:Hash method_ref:+ self:Value/object_class, method:String method_self_n_params_n_locals:+ self:Value/object_class[1st try], params_locals&values:Hash[2nd try] - - + junction:+ self:Value, code:String */ #endif