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Annotation of parser3/src/types/pa_vmethod_frame.C, revision 1.20

1.2       paf         1: /**    @file
                      2:        Parser: method frame class.
                      3: 
1.19      moko        4:        Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com)
1.2       paf         5:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\
                      6: */
                      7: 
                      8: #include "pa_vmethod_frame.h"
                      9: #include "pa_request.h"
                     10: 
1.20    ! moko       11: volatile const char * IDENT_PA_VMETHOD_FRAME_C="$Id: pa_vmethod_frame.C,v 1.19 2012-03-16 09:24:18 moko Exp $" IDENT_PA_VMETHOD_FRAME_H;
1.19      moko       12: 
1.2       paf        13: // globals
                     14: 
1.15      misha      15: const String result_var_name(RESULT_VAR_NAME), caller_element_name(CALLER_ELEMENT_NAME), self_element_name(SELF_ELEMENT_NAME);
1.14      misha      16: VVoid void_result; // unique value to be sure the result is changed
1.2       paf        17: 
                     18: // MethodParams: methods
                     19: 
1.7       paf        20: Value& MethodParams::get_processed(Value* value, const char* msg, int index, Request& r) {
                     21:                return r.process_to_value(as_junction(value, msg, index), false /*do not intercept string*/);
1.2       paf        22: }
                     23: 
                     24: // VMethodFrame: methods
                     25: 
1.18      moko       26: VMethodFrame::VMethodFrame(const Method& amethod, VMethodFrame *acaller, Value& aself) : 
1.16      misha      27:        WContext(0 /* no parent, junctions can be reattached only up to VMethodFrame */),
1.4       paf        28:        fcaller(acaller),
1.12      misha      29:        my(0),
1.18      moko       30:        fself(aself),
                     31:        method(amethod) {
1.2       paf        32: 
1.18      moko       33:        put_element_impl=(method.all_vars_local)?&VMethodFrame::put_element_local:&VMethodFrame::put_element_global;
1.9       misha      34: 
1.18      moko       35:        if(!method.max_numbered_params_count){ // this method uses numbered params?
1.17      misha      36:                my=new HashString<Value*>;
1.2       paf        37: 
                     38:                if(method.locals_names) { // are there any local var names?
                     39:                        // remember them
                     40:                        // those are flags that fname is local == to be looked up in 'my'
                     41:                        for(Array_iterator<const String*> i(*method.locals_names); i.has_next(); ) {
                     42:                                // speedup: not checking for clash with "result" fname
                     43:                                const String& fname=*i.next();
1.20    ! moko       44:                                set_my_variable(fname, *VString::empty());
1.2       paf        45:                        }
                     46:                }
1.14      misha      47: #ifdef OPTIMIZE_RESULT
1.18      moko       48:                if(method.result_optimization!=Method::RO_USE_WCONTEXT)
1.14      misha      49: #endif
                     50:                        set_my_variable(result_var_name, void_result);
1.2       paf        51:        }
                     52: }
                     53: 
                     54: Value* VMethodFrame::get_result_variable() {
1.11      misha      55:        if(!my)
                     56:                return 0;
                     57: 
1.15      misha      58:        Value* result=my->get(result_var_name);
1.14      misha      59:        return result!=&void_result?result:0;
1.2       paf        60: }