Annotation of parser3/src/types/pa_vstateless_class.C, revision 1.17.4.2
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:
1.17.4.2! paf 8: static const char* IDENT_VSTATELESS_CLASS_C="$Date: 2002/10/31 12:22:15 $";
1.2 paf 9:
10: #include "pa_vstateless_class.h"
11: #include "pa_vstring.h"
1.17 paf 12:
13: void VStateless_class::add_method(const String& name, Method& method) {
14: if(&pool()!=&name.pool())
15: throw Exception("parser.runtime",
16: &name,
17: "can not add method to system class (maybe you have forgotten .CLASS in ^process[$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...
1.17.4.2! paf 60: if(fbase) {
! 61: if(!aself.base()) {
! 62: int *a=0;
! 63: int b=*a;
! 64:
! 65: throw Exception("paf.debug",
! 66: &aname,
! 67: "no aself.base() here in vstateless_class, fbase.name=%s %s", fbase->name_cstr(), b);
! 68: }
1.17.4.1 paf 69: if(Value *result=fbase->get_element(aname, * /*must have base too*/aself.base(), true))
70: return result;
1.17.4.2! paf 71: }
1.17.4.1 paf 72:
1.16 paf 73: return 0;
1.2 paf 74: }
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