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| version 1.4, 2001/02/13 12:59:57 | version 1.23, 2001/02/24 08:28:35 |
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| Line 9 | Line 9 |
| #ifndef PA_VALUE_H | #ifndef PA_VALUE_H |
| #define PA_VALUE_H | #define PA_VALUE_H |
| #include "pa_pool.h" | |
| #include "pa_string.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: | public: |
| Array param_names; | const String& name; |
| Array local_names; | Array& params_names; |
| String code; | 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 Operator : public Method { | |
| // operator module static vars stored in there | |
| VOperator_class *self; | |
| }; | }; |
| */ | |
| class Method_ref { | class Junction : public Pooled { |
| public: | public: |
| Junction(Pool& apool, | |
| Method *amethod, | |
| Value *aself, | |
| Value *aroot, | |
| Value *arcontext, | |
| const Array *acode) : Pooled(apool), | |
| method(amethod), | |
| self(aself), | |
| root(aroot), | |
| rcontext(arcontext), | |
| code(acode) { | |
| } | |
| Method *method; | |
| Value *self; | Value *self; |
| Method& method; | Value *root; |
| Value *rcontext; | |
| const Array *code; | |
| }; | }; |
| class Value { | class Value : public Pooled { |
| public: | public: // Value |
| // text: value | |
| virtual String *get_string() const =0; | // all: for error reporting after fail(), etc |
| virtual String *put_string(const String *astring)=0; | 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:%s"); } | |
| // method_ref: "self" part, method | // junction: auto_calc,root,self,rcontext,wcontext, code |
| virtual Method_ref *get_method_ref() const =0; | virtual Junction *get_junction() { return 0; } |
| // hash: (key)=value | // hash: (key)=value |
| // object_class: (field)=STATIC.value;(STATIC)=hash;(method)=method_ref with self=object_class | // 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;(STATIC)=hash;(method)=method_ref |
| virtual Value *get_element(const String& name) const =0; | // operator_class: (field)=value - static values only |
| virtual Value *put_element(const String& name, const Value *avalue)=0; | // wcontext: transparent |
| // frame: my or self_transparent | |
| virtual Value *get_element(const String& name) { failed("getting element from %s:%s"); return 0; } | |
| // hash: (key)=value | |
| // object_class, operator_class: (field)=value - static values only | |
| // wcontext: transparent | |
| // frame: my or self_transparent | |
| virtual void put_element(const String& name, Value *value) { failed("putting element to %s:%s"); } | |
| // object_class, object_instance: object_class | |
| // frame: transparent | |
| // wcontext: transparent | |
| virtual VClass *get_class() { return 0; } | |
| // object_instance, object_class: method | // object_class: true when this class is this or derived from 'ancestor' |
| virtual Method *get_method(const String& name) const =0; | // frame: transparent |
| // wcontext: transparent | |
| virtual bool is_or_derived_from(VClass& ancestor) { failed("thoghts of ancestors of %s:%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:%s"); | |
| return *result; | |
| } | |
| private: | |
| const String *fname; | |
| private: | |
| void failed(char *action); | |
| }; | }; |
| /* | /* |
| Line 52 descendants: | Line 146 descendants: |
| object_instance:+ object_class, fields:Hash | object_instance:+ object_class, fields:Hash |
| method_ref:+ self:Value/object_class, method:String | 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] | method_self_n_params_n_locals:+ self:Value/object_class[1st try], params_locals&values:Hash[2nd try] |
| junction:+ self:Value, code:String | |
| */ | */ |
| #endif | #endif |