Annotation of parser3/src/types/pa_vstateless_class.C, revision 1.55
1.8 paf 1: /** @file
2: Parser: stateless class.
3:
1.52 moko 4: Copyright (c) 2001-2015 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"
1.55 ! moko 11: #include "pa_symbols.h"
1.45 moko 12: #include "pa_request.h"
1.30 misha 13:
1.55 ! moko 14: volatile const char * IDENT_PA_VSTATELESS_CLASS_C="$Id: pa_vstateless_class.C,v 1.54 2016/04/06 22:45:33 moko Exp $" IDENT_PA_VSTATELESS_CLASS_H IDENT_PA_METHOD_H;
1.47 moko 15:
1.54 moko 16: const String class_element_name(CLASS_NAME), class_name_element_name(CLASS_NAME_ELEMENT_NAME);
1.41 misha 17:
1.48 moko 18: override Value& VStateless_class::as_expr_result() {
1.35 misha 19: return VBool::get(as_bool());
1.30 misha 20: }
1.17 paf 21:
1.43 misha 22: /// @TODO why?! request must be different ptr from global [used in VStateless_class.set_method]
23: void VStateless_class::set_method(const String& aname, Method* amethod) {
1.20 paf 24: if(flocked)
1.31 misha 25: throw Exception(PARSER_RUNTIME,
1.42 misha 26: &aname,
1.17 paf 27: "can not add method to system class (maybe you have forgotten .CLASS in ^process[$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) {
1.55 ! moko 42: Symbols::instance().add(aname);
1.44 misha 43: fmethods.put(aname, amethod);
1.17 paf 44: }
1.2 paf 45:
46: void VStateless_class::add_native_method(
1.20 paf 47: const char* cstr_name,
1.7 paf 48: Method::Call_type call_type,
1.20 paf 49: NativeCodePtr native_code,
1.38 misha 50: int min_numbered_params_count,
1.40 misha 51: int max_numbered_params_count,
52: Method::Call_optimization
53: #ifdef OPTIMIZE_CALL
54: call_optimization
55: #endif
56: ) {
1.2 paf 57:
1.43 misha 58: Method* method=new Method(
1.7 paf 59: call_type,
1.2 paf 60: min_numbered_params_count, max_numbered_params_count,
61: 0/*params_names*/, 0/*locals_names*/,
1.40 misha 62: 0/*parser_code*/, native_code, false/*all_vars_local*/
63: #ifdef OPTIMIZE_RESULT
64: , Method::RO_USE_WCONTEXT
65: #endif
66: #ifdef OPTIMIZE_CALL
67: , call_optimization
68: #endif
69: );
1.39 misha 70:
1.43 misha 71: set_method(*new String(cstr_name), method);
1.16 paf 72: }
73:
1.51 misha 74: /// VStateless_class: $method
1.42 misha 75: Value* VStateless_class::get_element(Value& aself, const String& aname) {
1.51 misha 76: #ifndef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL
1.16 paf 77: // $CLASS
1.54 moko 78: if(aname==class_element_name)
1.16 paf 79: return this;
1.36 misha 80:
1.29 misha 81: // $CLASS_NAME
1.54 moko 82: if(aname==class_name_element_name)
1.53 moko 83: return new VString(*new String(type()));
1.51 misha 84: #endif
1.36 misha 85:
1.16 paf 86: // $method=junction(self+class+method)
1.49 misha 87: if(Method* method=get_method(aname))
88: return method->get_vjunction(aself);
1.18 paf 89:
1.42 misha 90: return 0;
91: }
92:
93: Value* VStateless_class::get_scalar(Value& aself){
94: if(fscalar)
95: return new VJunction(aself, fscalar, true /*getter*/);
1.16 paf 96: return 0;
1.23 paf 97: }
98:
1.42 misha 99: void VStateless_class::set_scalar(Method* amethod){
100: fscalar=amethod;
1.2 paf 101: }
1.32 misha 102:
103: Value* VStateless_class::get_default_getter(Value& aself, const String& aname){
1.46 moko 104: if(fdefault_getter && aself.is_enabled_default_getter())
1.32 misha 105: return new VJunction(aself, fdefault_getter, true /*getter*/, (String*)&aname);
106: return 0;
107: }
108:
109: void VStateless_class::set_default_getter(Method* amethod){
110: fdefault_getter=amethod;
111: }
112:
1.46 moko 113: bool VStateless_class::has_default_getter(){
114: return fdefault_getter != NULL;
115: }
116:
117: VJunction* VStateless_class::get_default_setter(Value& aself, const String& aname){
1.50 moko 118: if(fdefault_setter && aself.is_enabled_default_setter())
1.46 moko 119: return new VJunction(aself, fdefault_setter, false /*setter*/, (String*)&aname);
120: return 0;
121: }
122:
123: void VStateless_class::set_default_setter(Method* amethod){
124: fdefault_setter=amethod;
125: }
126:
127: bool VStateless_class::has_default_setter(){
128: return fdefault_setter != NULL;
129: }
130:
1.42 misha 131: void VStateless_class::set_base(VStateless_class* abase){
132: if(abase){
133: fbase=abase;
134: fbase->add_derived(*this);
135:
1.45 moko 136: bool no_auto = fmethods.get(auto_method_name) == NULL;
1.42 misha 137: // we assume there is no derivatives at this point
138: fmethods.merge_dont_replace(abase->fmethods);
1.45 moko 139: // we don't want to inherit @auto (issue #75)
140: if (no_auto) fmethods.remove(auto_method_name);
1.42 misha 141:
142: if(fbase->fscalar && !fscalar)
143: fscalar=fbase->fscalar;
144: if(fbase->fdefault_getter && !fdefault_getter)
145: fdefault_getter=fbase->fdefault_getter;
1.46 moko 146: if(fbase->fdefault_setter && !fdefault_setter)
147: fdefault_setter=fbase->fdefault_setter;
1.42 misha 148: }
1.33 misha 149: }
150:
1.42 misha 151: void VStateless_class::add_derived(VStateless_class &aclass){
152: fderived+=&aclass;
153: if (fbase)
154: fbase->add_derived(aclass);
1.34 misha 155: }
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