Annotation of parser3/src/types/pa_vclass.h, revision 1.1
1.1 ! paf 1: /*
! 2: Parser
! 3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
! 4: Author: Alexander Petrosyan <paf@design.ru>
! 5:
! 6: $Id: pa_vclass.h,v 1.29 2001/03/10 16:34:36 paf Exp $
! 7: */
! 8:
! 9: #ifndef PA_VCLASS_H
! 10: #define PA_VCLASS_H
! 11:
! 12: #include "pa_valiased.h"
! 13: #include "pa_vhash.h"
! 14: #include "pa_vjunction.h"
! 15:
! 16: #define CLASS_NAME "CLASS"
! 17: #define BASE_NAME "BASE"
! 18:
! 19: class VClass : public VAliased {
! 20: public: // Value
! 21:
! 22: // all: for error reporting after fail(), etc
! 23: const char *type() const { return "class"; }
! 24:
! 25: // object_class: (field)=STATIC.value;(STATIC)=hash;(method)=method_ref with self=object_class
! 26: Value *get_element(const String& aname);
! 27:
! 28: // object_class, operator_class: (field)=value - static values only
! 29: void put_element(const String& name, Value *value);
! 30:
! 31: // object_class, object_instance: object_class
! 32: VClass *get_class() { return this; }
! 33:
! 34: public: // usage
! 35:
! 36: VClass(Pool& apool) : VAliased(apool, *this),
! 37: fbase(0),
! 38: ffields(apool),
! 39: fmethods(apool) {
! 40: }
! 41:
! 42: void add_method(const String& name, Method& method) {
! 43: fmethods.put(name, &method);
! 44: }
! 45: // Hash& methods() { return fmethods; }
! 46:
! 47: void set_base(VClass& abase) {
! 48: // remember the guy
! 49: fbase=&abase;
! 50: }
! 51: VClass *base() { return fbase; }
! 52:
! 53: bool is_or_derived_from(VClass& vclass) {
! 54: return
! 55: this==&vclass ||
! 56: fbase && fbase->is_or_derived_from(vclass);
! 57: }
! 58:
! 59: Junction *get_junction(VAliased& self, const String& name) {
! 60: if(Method *method=static_cast<Method *>(fmethods.get(name)))
! 61: return NEW Junction(pool(), self, this, method, 0,0,0,0);
! 62: if(fbase)
! 63: return fbase->get_junction(self, name);
! 64: return 0;
! 65: }
! 66:
! 67: void set_field(const String& name, Value *value) {
! 68: value->set_name(name);
! 69: if(fbase && fbase->replace_field(name, value))
! 70: return;
! 71:
! 72: ffields.put(name, value);
! 73: }
! 74:
! 75: private:
! 76:
! 77: Value *get_field(const String& name) {
! 78: Value *result=static_cast<Value *>(ffields.get(name));
! 79: if(!result && fbase)
! 80: result=fbase->get_field(name);
! 81: return result;
! 82: }
! 83:
! 84: bool replace_field(const String& name, Value *value) {
! 85: return
! 86: (fbase && fbase->replace_field(name, value)) ||
! 87: ffields.put_replace(name, value);
! 88: }
! 89:
! 90: private:
! 91:
! 92: VClass *fbase;
! 93: Hash ffields;
! 94: Hash fmethods;
! 95: };
! 96:
! 97: #endif
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