Annotation of parser3/src/types/pa_vstateless_class.h, revision 1.81
1.6 paf 1: /** @file
2: Parser: stateless class decls.
3:
1.78 moko 4: Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)
1.23 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.2 paf 6: */
7:
8: #ifndef PA_VSTATELESS_CLASS_H
9: #define PA_VSTATELESS_CLASS_H
1.27 paf 10:
1.81 ! moko 11: #define IDENT_PA_VSTATELESS_CLASS_H "$Id: pa_vstateless_class.h,v 1.80 2016/04/06 16:08:20 moko Exp $"
1.43 paf 12:
13: // include
1.2 paf 14:
1.45 paf 15: #include "pa_pool.h"
1.13 paf 16: #include "pa_hash.h"
1.2 paf 17: #include "pa_vjunction.h"
1.43 paf 18: #include "pa_method.h"
1.2 paf 19:
1.38 paf 20: // defines
21:
22: #define CLASS_NAME "CLASS"
1.81 ! moko 23: #define CLASS_NAME_ELEMENT_NAME "CLASS_NAME"
! 24: extern const String class_element_name, class_name_element_name;
1.38 paf 25:
26: // forwards
27:
1.43 paf 28: class VStateless_class;
1.59 misha 29: typedef Array<VStateless_class*> ArrayClass;
1.66 misha 30: typedef HashString<Property *> HashStringProperty;
31: typedef HashString<Method *> HashStringMethod;
1.43 paf 32:
1.2 paf 33: class Temp_method;
34:
1.6 paf 35: /**
1.30 paf 36: object' class. stores
37: - base: VClass::base()
38: - methods: VStateless_class::fmethods
1.6 paf 39:
1.30 paf 40: @see Method, VStateless_object, Temp_method
1.6 paf 41: */
1.39 paf 42: class VStateless_class: public Value {
1.19 paf 43: friend class Temp_method;
1.43 paf 44:
1.66 misha 45: HashStringMethod fmethods;
1.43 paf 46:
47: bool flocked;
1.57 misha 48: bool fall_vars_local;
1.61 misha 49: bool fpartial;
1.70 misha 50: Method::Call_type fcall_type;
1.43 paf 51:
52: protected:
53:
54: VStateless_class* fbase;
1.68 misha 55: /// all derived classes, recursively
1.66 misha 56: ArrayClass fderived;
57:
1.60 misha 58: Method* fscalar;
1.58 misha 59: Method* fdefault_getter;
1.71 moko 60: Method* fdefault_setter;
1.43 paf 61:
1.2 paf 62: public: // Value
63:
1.5 paf 64: /// VStateless_class: this
1.69 misha 65: override VStateless_class* get_class() { return this; }
1.41 paf 66: /// VStateless_class: fbase
1.69 misha 67: override VStateless_class* base() { return fbase; }
1.66 misha 68:
69: override Value* get_element(const String& aname) { return get_element(*this, aname); }
70: /// get_element with aself for VObject junctions
71: virtual Value* get_element(Value& aself, const String& aname);
72:
1.75 moko 73: override const VJunction* put_element(const String& aname, Value* avalue) { return put_element(*this, aname, avalue); }
1.66 misha 74: /// put_element with aself for VObject junctions
1.75 moko 75: virtual const VJunction* put_element(Value& aself, const String& aname, Value* /*avalue*/) {
1.72 moko 76: aself.bark("element can not be stored to %s", &aname);
77: return 0;
78: }
1.66 misha 79:
1.74 moko 80: override Value& as_expr_result();
1.60 misha 81:
1.66 misha 82: Value* get_scalar(Value& aself);
83: void set_scalar(Method* amethod);
1.2 paf 84:
1.66 misha 85: Value* get_default_getter(Value& aself, const String& aname);
86: void set_default_getter(Method* amethod);
1.71 moko 87: bool has_default_getter();
88:
89: VJunction* get_default_setter(Value& aself, const String& aname);
90: void set_default_setter(Method* amethod);
91: bool has_default_setter();
1.60 misha 92:
1.66 misha 93: void add_derived(VStateless_class &aclass);
1.61 misha 94:
1.2 paf 95: public: // usage
96:
1.80 moko 97: VStateless_class(VStateless_class* amethoded_donor=0):
1.43 paf 98: flocked(false),
1.66 misha 99: fbase(0),
100: fderived(0),
1.58 misha 101: fall_vars_local(false),
1.61 misha 102: fpartial(false),
1.60 misha 103: fscalar(0),
1.70 misha 104: fdefault_getter(0),
1.71 moko 105: fdefault_setter(0),
1.70 misha 106: fcall_type(Method::CT_ANY)
1.80 moko 107: {
108: if(amethoded_donor)
109: fmethods.merge_dont_replace(amethoded_donor->fmethods);
1.2 paf 110: }
111:
1.43 paf 112: void lock() { flocked=true; }
113:
114: Method* get_method(const String& aname) const {
115: return fmethods.get(aname);
1.2 paf 116: }
117:
1.66 misha 118: HashStringMethod get_methods(){
1.65 misha 119: return fmethods;
120: }
121:
1.61 misha 122: bool is_vars_local(){
123: return fall_vars_local;
124: }
125:
126: void set_all_vars_local(){
1.57 misha 127: fall_vars_local=true;
128: }
129:
1.61 misha 130: bool is_partial(){
131: return fpartial;
132: }
133:
134: void set_partial(){
135: fpartial=true;
1.57 misha 136: }
137:
1.70 misha 138: Method::Call_type get_methods_call_type(){
139: return fcall_type;
140: }
141:
142: void set_methods_call_type(Method::Call_type call_type){
143: if(fcall_type!=Method::CT_ANY)
144: throw Exception(PARSER_RUNTIME,
145: 0,
146: "You can specify call type option in a class only once"
147: );
148: fcall_type=call_type;
149: }
150:
1.2 paf 151: void add_native_method(
1.43 paf 152: const char* cstr_name,
1.9 paf 153: Method::Call_type call_type,
1.43 paf 154: NativeCodePtr native_code,
1.62 misha 155: int min_numbered_params_count,
156: int max_numbered_params_count,
157: Method::Call_optimization call_optimization=Method::CO_WITHOUT_WCONTEXT);
1.66 misha 158:
1.68 misha 159: void set_method(const String& aname, Method* amethod);
160:
1.66 misha 161: /// overrided in VClass
1.80 moko 162: virtual void set_type(const char *atype) {}
1.68 misha 163: virtual void real_set_method(const String& aname, Method* amethod);
1.66 misha 164: virtual HashStringProperty* get_properties(){ return 0; };
165: virtual void set_base(VStateless_class* abase);
1.2 paf 166:
1.43 paf 167: VStateless_class* base_class() { return fbase; }
1.2 paf 168:
1.66 misha 169: bool derived_from(VStateless_class& vclass){
1.77 moko 170: return fbase==&vclass || ( fbase && fbase->derived_from(vclass) );
1.31 paf 171: }
172:
1.21 paf 173: /// @returns new value for current class, used in classes/ & VClass
1.66 misha 174: virtual Value* create_new_value(Pool&) { return 0; }
1.2 paf 175: };
176:
1.6 paf 177: /// Auto-object used for temporarily substituting/removing class method
1.2 paf 178: class Temp_method {
179: VStateless_class& fclass;
180: const String& fname;
1.43 paf 181: Method* saved_method;
1.2 paf 182: public:
1.43 paf 183: Temp_method(VStateless_class& aclass, const String& aname, Method* amethod) :
1.2 paf 184: fclass(aclass),
185: fname(aname),
186: saved_method(aclass.get_method(aname)) {
1.67 misha 187: fclass.set_method(aname, amethod);
1.2 paf 188: }
189: ~Temp_method() {
1.67 misha 190: fclass.set_method(fname, saved_method);
1.2 paf 191: }
192: };
193:
194: #endif
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