--- parser3/src/include/Attic/pa_value.h 2001/02/22 08:16:09 1.12 +++ parser3/src/include/Attic/pa_value.h 2001/02/23 14:18:26 1.19 @@ -1,5 +1,5 @@ /* - $Id: pa_value.h,v 1.12 2001/02/22 08:16:09 paf Exp $ + $Id: pa_value.h,v 1.19 2001/02/23 14:18:26 paf Exp $ */ /* @@ -10,7 +10,6 @@ #define PA_VALUE_H #include "pa_pool.h" -#include "pa_exception.h" #include "pa_string.h" #include "pa_array.h" //#include "pa_voperator.h" @@ -34,6 +33,7 @@ public: Array& aparams_names, Array& alocals_names, Array& acode) : + Pooled(apool), name(aname), params_names(aparams_names), @@ -65,53 +65,75 @@ class Junction { }; 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() { /*vclass: failed("getting string representation"); */return 0; } + // string: value + // unknown: "" + // 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; } + virtual Method_ref *get_method_ref() { failed("extracting method reference from %s"); return 0; } // junction: auto_calc,root,self,rcontext,wcontext, code - virtual Junction *get_junction() { failed("getting junction"); return 0; } + virtual Junction *get_junction() { failed("getting junction from %s"); 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; - + // wcontext: transparent + // frame: my or self_transparent + virtual Value *get_element(const String& name) { failed("getting element from %s"); return 0; } + + // hash: (key)=value // object_class, operator_class: (field)=value - static values only - virtual void put_element(const String& name, Value *value)=0; + // wcontext: transparent + // frame: my or self_transparent + virtual void put_element(const String& name, Value *value) { failed("putting element to %s"); } // object_instance, object_class: method + // frame: transparent + // wcontext: transparent virtual Method *get_method(const String& name) const { return 0; } // object_class, object_instance: object_class + // frame: transparent + // wcontext: 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; } + // frame: transparent + // wcontext: transparent + virtual bool is_or_derived_from(VClass& ancestor) { failed("thoghts of ancestors of %s"); return false; } -private: +public: // usage + + Value(Pool& apool) : Pooled(apool), fname(0) {} - void failed(char *action) { - pool().exception().raise(0,0, - 0, - action); + 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); }; /*