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Annotation of parser3/src/types/pa_vstateless_class.C, revision 1.17.4.1

1.8       paf         1: /**    @file
                      2:        Parser: stateless class.
                      3: 
1.12      paf         4:        Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
1.13      paf         5:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\
1.14      paf         6: */
1.8       paf         7: 
1.17.4.1! paf         8: static const char* IDENT_VSTATELESS_CLASS_C="$Date: 2002/10/15 10:05:01 $";
1.2       paf         9: 
                     10: #include "pa_vstateless_class.h"
                     11: #include "pa_vstring.h"
1.17      paf        12: 
                     13: void VStateless_class::add_method(const String& name, Method& method) {
                     14:        if(&pool()!=&name.pool())
                     15:                throw Exception("parser.runtime",
                     16:                        &name,
                     17:                        "can not add method to system class (maybe you have forgotten .CLASS in ^process[$caller.CLASS]{...}?)");
                     18:        put_method(name, &method);
                     19: }
1.2       paf        20: 
                     21: void VStateless_class::add_native_method(
                     22:        const char *cstr_name,
1.7       paf        23:        Method::Call_type call_type,
1.2       paf        24:        Native_code_ptr native_code,
                     25:        int min_numbered_params_count, int max_numbered_params_count) {
                     26: 
1.4       paf        27:        String& name=*NEW String(pool(), cstr_name);
1.2       paf        28:        
                     29:        Method& method=*NEW Method(pool(),
                     30:                name,
1.7       paf        31:                call_type,
1.2       paf        32:                min_numbered_params_count, max_numbered_params_count,
                     33:                0/*params_names*/, 0/*locals_names*/,
                     34:                0/*parser_code*/, native_code
                     35:                );
                     36:        add_method(name, method);
1.16      paf        37: }
                     38: 
                     39: /// VStateless_class: $CLASS, $method
1.17.4.1! paf        40: Value *VStateless_class::get_element(const String& aname, Value& aself, bool looking_up) {
        !            41:        // gets element from last_derivate upwards
        !            42:        if(!looking_up) {
        !            43:                // $CLASS
        !            44:                if(aname==CLASS_NAME)
        !            45:                        return get_class();
        !            46: 
        !            47:                // for first call, pass call to last derived
        !            48:                return get_last_derived().get_element(aname, aself.get_last_derived(), true/*one of two users*/);
        !            49:        }
        !            50: 
        !            51:        // $method
        !            52:        {
        !            53:                // $method=junction(self+class+method)
        !            54:                if(Method *method=static_cast<Method *>(fmethods.get(aname)))
        !            55:                        return new(aname.pool()) VJunction(
        !            56:                                *new(aname.pool()) Junction(aname.pool(), aself, method, 0,0,0,0));
        !            57:        }
        !            58: 
        !            59:        // up the tree...
1.16      paf        60:        if(fbase)
1.17.4.1! paf        61:                if(Value *result=fbase->get_element(aname, * /*must have base too*/aself.base(), true))
        !            62:                        return result;
        !            63: 
1.16      paf        64:        return 0;
1.2       paf        65: }