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Annotation of parser3/src/types/pa_vcaller_wrapper.h, revision 1.3

1.1       moko        1: /** @file
                      2:        Parser: VCaller class decl. as wrapper for $caller access
                      3: 
1.3     ! moko        4:        Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)
1.1       moko        5: */
                      6: 
                      7: #ifndef PA_VCALLER_WRAPPER_H
                      8: #define PA_VCALLER_WRAPPER_H
                      9: 
                     10: #include "pa_value.h"
                     11: #include "pa_vmethod_frame.h"
                     12: 
1.3     ! moko       13: #define IDENT_PA_VCALLER_WRAPPER_H "$Id: pa_vcaller_wrapper.h,v 1.2 2017/02/07 22:00:46 moko Exp $"
1.1       moko       14: 
                     15: class VCallerWrapper: public Value {
                     16:        VMethodFrame &fcaller;
                     17: 
                     18: public: // Value
                     19: 
                     20:        override const char* type() const { return "caller"; }
                     21: 
                     22:        /// VCaller: transparent
                     23:        override VStateless_class* get_class() { return caller().get_class(); }
                     24: 
                     25:        /// VCaller: transparent
                     26:        override VStateless_class* base() { return caller().base(); }
                     27: 
                     28:        /// VCaller: empty string to disable $backup[$caller]
                     29:        override const String* get_string() { return &String::Empty; }
                     30: 
                     31:        /// VCaller: method or transparent
                     32:        override Value* get_element(const String& aname) {
                     33:                if(SYMBOLS_EQ(aname,METHOD_SYMBOL))
                     34:                        return caller().method.get_vjunction(caller().self());
                     35: 
                     36:                return caller().get_element(aname);
                     37:        }
                     38: 
                     39:        /// VCaller: transparent
                     40:        override const VJunction* put_element(const String& aname, Value* avalue) { return caller().put_element(aname, avalue); }
                     41: 
                     42: public: // usage
                     43: 
                     44:        VCallerWrapper(VMethodFrame &acaller): fcaller(acaller) {}
                     45: 
                     46:        VMethodFrame &caller() { return fcaller; }
                     47: 
                     48: };
                     49: 
                     50: #endif