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Annotation of parser3/src/types/pa_vmethod_frame.C, revision 1.17

1.2       paf         1: /**    @file
                      2:        Parser: method frame class.
                      3: 
1.10      misha       4:        Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com)
1.2       paf         5:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\
                      6: */
                      7: 
1.17    ! misha       8: static const char * const IDENT_VSTATELESS_CLASS_C="$Date: 2009-06-17 01:08:55 $";
1.2       paf         9: 
                     10: #include "pa_vmethod_frame.h"
                     11: #include "pa_request.h"
                     12: 
                     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: 
                     26: VMethodFrame::VMethodFrame(
                     27:        const Junction& ajunction/*info: always method-junction*/,
                     28:        VMethodFrame *acaller) : 
1.16      misha      29:        WContext(0 /* no parent, junctions can be reattached only up to VMethodFrame */),
1.2       paf        30: 
1.4       paf        31:        fcaller(acaller),
1.2       paf        32: 
1.12      misha      33:        my(0),
1.2       paf        34:        fself(0),
                     35: 
1.4       paf        36:        junction(ajunction) {
1.2       paf        37: 
1.9       misha      38:        put_element_impl=(junction.method->all_vars_local)?&VMethodFrame::put_element_local:&VMethodFrame::put_element_global;
                     39: 
1.12      misha      40:        if(!junction.method->max_numbered_params_count){ // this method uses numbered params?
1.17    ! misha      41:                my=new HashString<Value*>;
1.2       paf        42: 
                     43:                const Method &method=*junction.method;
                     44:                if(method.locals_names) { // are there any local var names?
                     45:                        // remember them
                     46:                        // those are flags that fname is local == to be looked up in 'my'
                     47:                        for(Array_iterator<const String*> i(*method.locals_names); i.has_next(); ) {
                     48:                                // speedup: not checking for clash with "result" fname
                     49:                                const String& fname=*i.next();
1.10      misha      50:                                set_my_variable(fname, *VVoid::get());
1.2       paf        51:                        }
                     52:                }
1.14      misha      53: #ifdef OPTIMIZE_RESULT
                     54:                if(junction.method->result_optimization!=Method::RO_USE_WCONTEXT)
                     55: #endif
                     56:                        set_my_variable(result_var_name, void_result);
1.2       paf        57:        }
                     58: }
                     59: 
                     60: Value* VMethodFrame::get_result_variable() {
1.11      misha      61:        if(!my)
                     62:                return 0;
                     63: 
1.15      misha      64:        Value* result=my->get(result_var_name);
1.14      misha      65:        return result!=&void_result?result:0;
1.2       paf        66: }