--- parser3/src/include/Attic/pa_value.h 2001/02/12 11:44:41 1.3 +++ parser3/src/include/Attic/pa_value.h 2001/02/21 14:59:41 1.11 @@ -1,5 +1,5 @@ /* - $Id: pa_value.h,v 1.3 2001/02/12 11:44:41 paf Exp $ + $Id: pa_value.h,v 1.11 2001/02/21 14:59:41 paf Exp $ */ /* @@ -9,13 +9,45 @@ #ifndef PA_VALUE_H #define PA_VALUE_H +#include "pa_pool.h" +#include "pa_exception.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; - String code; + const String& name; + Array& params_names; + Array& locals_names; + Array& code; + + Method( + Pool& apool, + const String& aname, + Array& aparams_names, + Array& alocals_names, + Array& acode) : + Pooled(apool), + name(aname), + params_names(aparams_names), + locals_names(alocals_names), + code(acode) { + } +}; + +/* +class Operator : public Method { + // operator module static vars stored in there + VOperator_class *self; }; +*/ class Method_ref { public: @@ -23,23 +55,63 @@ public: Method& method; }; -class Value { +class Junction { + bool auto_calc; + Value& root; + Value *self; + Value& rcontext; + WContext& wcontext; + Array& code; +}; + +class Value : public Pooled { +public: + + Value(Pool& apool) : Pooled(apool) {} + public: + + // all: for error reporting after fail(), etc + virtual const char *get_type() const =0; + + // text: value + // object_class: [class classname] + virtual String *get_string() { failed("getting string representation"); return 0; } + // text: value - virtual String *get_string() const =0; - virtual String *put_string(const String *astring)=0; + virtual void put_string(const String *astring) { failed("storing string"); } - // method_ref: "self" part, method - virtual Method_ref *get_method_ref() const =0; + // method_ref: self, method + virtual Method_ref *get_method_ref() { failed("extracting method reference"); return 0; } + + // junction: auto_calc,root,self,rcontext,wcontext, code + virtual Junction *get_junction() { failed("getting 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 + // operator_class: (field)=value - static values only virtual Value *get_element(const String& name) const =0; - virtual Value *put_element(const String& name, const Value *avalue)=0; + + // 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 =0; + virtual Method *get_method(const String& name) const { return 0; } + + // object_class, object_instance: object_class + 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; } + +private: + + void failed(char *action) { + pool().exception().raise(0,0, + 0, + action); + } }; /* @@ -50,9 +122,8 @@ descendants: object_class:+ STATIC:Hash, methods:Hash object_instance:+ object_class, fields:Hash method_ref:+ self:Value/object_class, method:String - method_self_n_params:+ self:Value/object_class[1st try], params&values:Hash[2nd try] - - + method_self_n_params_n_locals:+ self:Value/object_class[1st try], params_locals&values:Hash[2nd try] + junction:+ self:Value, code:String */ #endif