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Annotation of parser3/src/include/pa_value.h, revision 1.6

1.1       paf         1: /*
1.6     ! paf         2:   $Id: pa_value.h,v 1.5 2001/02/13 15:10:45 paf Exp $
1.1       paf         3: */
                      4: 
                      5: /*
                      6:        data core
                      7: */
                      8: 
                      9: #ifndef PA_VALUE_H
                     10: #define PA_VALUE_H
                     11: 
                     12: #include "pa_string.h"
                     13: 
                     14: class Method {
                     15: public:
                     16:        Array param_names;
1.4       paf        17:        Array local_names;
1.1       paf        18:        String code;
                     19: };
                     20: 
1.2       paf        21: class Method_ref {
                     22: public:
                     23:        Value *self;
                     24:        Method& method;
                     25: };
                     26: 
1.1       paf        27: class Value {
                     28: public:
                     29:        // text: value
                     30:        virtual String *get_string() const =0;
                     31:        virtual String *put_string(const String *astring)=0;
                     32: 
1.3       paf        33:        // method_ref: "self" part, method
                     34:        virtual Method_ref *get_method_ref() const =0;
                     35: 
1.1       paf        36:        // hash: (key)=value
1.2       paf        37:        // object_class: (field)=STATIC.value;(STATIC)=hash;(method)=method_ref with self=object_class
1.1       paf        38:        // object_instance: (field)=value;(STATIC)=hash;(method)=method_ref
                     39:        virtual Value *get_element(const String& name) const =0;
                     40:        virtual Value *put_element(const String& name, const Value *avalue)=0;
                     41: 
                     42:        // object_instance, object_class: method
1.2       paf        43:        virtual Method *get_method(const String& name) const =0;
1.5       paf        44: 
                     45:        // object_class, object_instance: object_class
                     46:        virtual Class *get_class() const =0;
1.6     ! paf        47: 
        !            48:        // object_class: true when this class is derived from 'parent'
        !            49:        virtual bool has_parent(Class *aparent) const =0;
1.1       paf        50: };
                     51: 
                     52: /*
                     53: descendants:
                     54:        text:+ value:String
                     55:     hash:+ keys&values:Hash
                     56:     table:+ columns_order:Array, columns:Hash, rows:Array
                     57:     object_class:+ STATIC:Hash, methods:Hash
                     58:     object_instance:+ object_class, fields:Hash
1.2       paf        59:     method_ref:+ self:Value/object_class, method:String
1.4       paf        60:     method_self_n_params_n_locals:+ self:Value/object_class[1st try], params_locals&values:Hash[2nd try]
1.1       paf        61: 
                     62: 
                     63: */
                     64: 
                     65: #endif