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Annotation of parser3/src/types/pa_vmethod_frame.C, revision 1.9

1.2       paf         1: /**    @file
                      2:        Parser: method frame class.
                      3: 
1.8       paf         4:        Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)
1.2       paf         5:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\
                      6: */
                      7: 
1.9     ! misha       8: static const char * const IDENT_VSTATELESS_CLASS_C="$Date: 2005/08/09 08:14:55 $";
1.2       paf         9: 
                     10: #include "pa_vmethod_frame.h"
                     11: #include "pa_request.h"
                     12: 
                     13: // globals
                     14: 
                     15: const String result_var_name(RESULT_VAR_NAME);
                     16: 
                     17: // MethodParams: methods
                     18: 
1.7       paf        19: Value& MethodParams::get_processed(Value* value, const char* msg, int index, Request& r) {
                     20:                return r.process_to_value(as_junction(value, msg, index), false /*do not intercept string*/);
1.2       paf        21: }
                     22: 
                     23: // VMethodFrame: methods
                     24: 
                     25: VMethodFrame::VMethodFrame(
                     26:        const Junction& ajunction/*info: always method-junction*/,
                     27:        VMethodFrame *acaller) : 
                     28:        WContext(0/*empty*/, 0 /* no parent, junctions can be reattached only up to VMethodFrame */),
                     29: 
1.4       paf        30:        fcaller(acaller),
1.2       paf        31: 
                     32:        store_param_index(0),
                     33:        my(0), fnumbered_params(0),
                     34:        fself(0),
                     35: 
1.4       paf        36:        fresult_initial_void(0),
                     37:        
                     38:        junction(ajunction) {
1.2       paf        39: 
1.9     ! misha      40:        put_element_impl=(junction.method->all_vars_local)?&VMethodFrame::put_element_local:&VMethodFrame::put_element_global;
        !            41: 
1.2       paf        42:        if(junction.method->max_numbered_params_count) // this method uses numbered params?
                     43:                fnumbered_params=new MethodParams;
                     44:        else {
                     45:                my=new HashStringValue;
                     46: 
                     47:                const Method &method=*junction.method;
                     48:                if(method.locals_names) { // are there any local var names?
                     49:                        // remember them
                     50:                        // those are flags that fname is local == to be looked up in 'my'
                     51:                        for(Array_iterator<const String*> i(*method.locals_names); i.has_next(); ) {
                     52:                                // speedup: not checking for clash with "result" fname
                     53:                                const String& fname=*i.next();
                     54:                                set_my_variable(fname, *new VVoid);
                     55:                        }
                     56:                }
                     57:                { // always there is one local: $result
                     58:                        fresult_initial_void=new VVoid;
                     59:                        set_my_variable(result_var_name, *fresult_initial_void);
                     60:                }
                     61:        }
                     62: }
                     63: 
                     64: Value* VMethodFrame::get_result_variable() {
                     65:        Value* result=my?my->get(result_var_name):0;
                     66:        return result!=fresult_initial_void ? result : 0;
                     67: }