Annotation of parser3/src/types/pa_vstateless_class.C, revision 1.49
1.8 paf 1: /** @file
2: Parser: stateless class.
3:
1.47 moko 4: Copyright (c) 2001-2012 Art. Lebedev Studio (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:
1.2 paf 8: #include "pa_vstateless_class.h"
1.29 misha 9: #include "pa_vstring.h"
1.30 misha 10: #include "pa_vbool.h"
1.45 moko 11: #include "pa_request.h"
1.30 misha 12:
1.49 ! misha 13: volatile const char * IDENT_PA_VSTATELESS_CLASS_C="$Id: pa_vstateless_class.C,v 1.48 2012-05-23 16:26:41 moko Exp $" IDENT_PA_VSTATELESS_CLASS_H IDENT_PA_METHOD_H;
1.47 moko 14:
1.41 misha 15: /// globals
16: const String class_name(CLASS_NAME), class_nametext(CLASS_NAMETEXT);
17:
1.48 moko 18: override Value& VStateless_class::as_expr_result() {
1.35 misha 19: return VBool::get(as_bool());
1.30 misha 20: }
1.17 paf 21:
1.43 misha 22: /// @TODO why?! request must be different ptr from global [used in VStateless_class.set_method]
23: void VStateless_class::set_method(const String& aname, Method* amethod) {
1.20 paf 24: if(flocked)
1.31 misha 25: throw Exception(PARSER_RUNTIME,
1.42 misha 26: &aname,
1.17 paf 27: "can not add method to system class (maybe you have forgotten .CLASS in ^process[$caller.CLASS]{...}?)");
1.20 paf 28:
1.43 misha 29: if(fderived.count()) {
30: Method *omethod=fmethods.get(aname);
31: Array_iterator<VStateless_class *> i(fderived);
32: while(i.has_next()) {
33: VStateless_class *c=i.next();
34: if(c->fmethods.get(aname)==omethod)
1.44 misha 35: c->real_set_method(aname, amethod);
1.43 misha 36: }
37: }
1.44 misha 38: real_set_method(aname, amethod);
39: }
40:
41: void VStateless_class::real_set_method(const String& aname, Method* amethod) {
42: fmethods.put(aname, amethod);
1.17 paf 43: }
1.2 paf 44:
45: void VStateless_class::add_native_method(
1.20 paf 46: const char* cstr_name,
1.7 paf 47: Method::Call_type call_type,
1.20 paf 48: NativeCodePtr native_code,
1.38 misha 49: int min_numbered_params_count,
1.40 misha 50: int max_numbered_params_count,
51: Method::Call_optimization
52: #ifdef OPTIMIZE_CALL
53: call_optimization
54: #endif
55: ) {
1.2 paf 56:
1.43 misha 57: Method* method=new Method(
1.7 paf 58: call_type,
1.2 paf 59: min_numbered_params_count, max_numbered_params_count,
60: 0/*params_names*/, 0/*locals_names*/,
1.40 misha 61: 0/*parser_code*/, native_code, false/*all_vars_local*/
62: #ifdef OPTIMIZE_RESULT
63: , Method::RO_USE_WCONTEXT
64: #endif
65: #ifdef OPTIMIZE_CALL
66: , call_optimization
67: #endif
68: );
1.39 misha 69:
1.43 misha 70: set_method(*new String(cstr_name), method);
1.16 paf 71: }
72:
1.30 misha 73: /// VStateless_class: $CLASS, $CLASS_NAME, $method
1.42 misha 74: Value* VStateless_class::get_element(Value& aself, const String& aname) {
1.16 paf 75: // $CLASS
1.41 misha 76: if(aname==class_name)
1.16 paf 77: return this;
1.36 misha 78:
1.29 misha 79: // $CLASS_NAME
1.41 misha 80: if(aname==class_nametext)
1.42 misha 81: return new VString(name());
1.36 misha 82:
1.16 paf 83: // $method=junction(self+class+method)
1.49 ! misha 84: if(Method* method=get_method(aname))
! 85: return method->get_vjunction(aself);
1.18 paf 86:
1.42 misha 87: return 0;
88: }
89:
90: Value* VStateless_class::get_scalar(Value& aself){
91: if(fscalar)
92: return new VJunction(aself, fscalar, true /*getter*/);
1.16 paf 93: return 0;
1.23 paf 94: }
95:
1.42 misha 96: void VStateless_class::set_scalar(Method* amethod){
97: fscalar=amethod;
1.2 paf 98: }
1.32 misha 99:
100: Value* VStateless_class::get_default_getter(Value& aself, const String& aname){
1.46 moko 101: if(fdefault_getter && aself.is_enabled_default_getter())
1.32 misha 102: return new VJunction(aself, fdefault_getter, true /*getter*/, (String*)&aname);
103: return 0;
104: }
105:
106: void VStateless_class::set_default_getter(Method* amethod){
107: fdefault_getter=amethod;
108: }
109:
1.46 moko 110: bool VStateless_class::has_default_getter(){
111: return fdefault_getter != NULL;
112: }
113:
114: VJunction* VStateless_class::get_default_setter(Value& aself, const String& aname){
115: if(fdefault_setter)
116: return new VJunction(aself, fdefault_setter, false /*setter*/, (String*)&aname);
117: return 0;
118: }
119:
120: void VStateless_class::set_default_setter(Method* amethod){
121: fdefault_setter=amethod;
122: }
123:
124: bool VStateless_class::has_default_setter(){
125: return fdefault_setter != NULL;
126: }
127:
1.42 misha 128: void VStateless_class::set_base(VStateless_class* abase){
129: if(abase){
130: fbase=abase;
131: fbase->add_derived(*this);
132:
1.45 moko 133: bool no_auto = fmethods.get(auto_method_name) == NULL;
1.42 misha 134: // we assume there is no derivatives at this point
135: fmethods.merge_dont_replace(abase->fmethods);
1.45 moko 136: // we don't want to inherit @auto (issue #75)
137: if (no_auto) fmethods.remove(auto_method_name);
1.42 misha 138:
139: if(fbase->fscalar && !fscalar)
140: fscalar=fbase->fscalar;
141: if(fbase->fdefault_getter && !fdefault_getter)
142: fdefault_getter=fbase->fdefault_getter;
1.46 moko 143: if(fbase->fdefault_setter && !fdefault_setter)
144: fdefault_setter=fbase->fdefault_setter;
1.42 misha 145: }
1.33 misha 146: }
147:
1.42 misha 148: void VStateless_class::add_derived(VStateless_class &aclass){
149: fderived+=&aclass;
150: if (fbase)
151: fbase->add_derived(aclass);
1.34 misha 152: }
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