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1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (c) 2000-2014 Ericsson Telecom AB | |
3 | // All rights reserved. This program and the accompanying materials | |
4 | // are made available under the terms of the Eclipse Public License v1.0 | |
5 | // which accompanies this distribution, and is available at | |
6 | // http://www.eclipse.org/legal/epl-v10.html | |
7 | /////////////////////////////////////////////////////////////////////////////// | |
8 | #ifndef _Asn_Object0_HH | |
9 | #define _Asn_Object0_HH | |
10 | ||
11 | #include "../Setting.hh" | |
12 | #include "../Code.hh" | |
13 | ||
14 | namespace Asn { | |
15 | ||
16 | using namespace Common; | |
17 | ||
18 | /** | |
19 | * \addtogroup AST | |
20 | * | |
21 | * @{ | |
22 | */ | |
23 | ||
24 | class Ref_defd; | |
25 | class Ref_defd_simple; | |
26 | ||
27 | // not defined here | |
28 | class Assignment; | |
29 | ||
30 | /** | |
31 | * Abstract parent for defined references. | |
32 | */ | |
33 | class Ref_defd : public Common::Ref_simple { | |
34 | public: | |
35 | virtual Ref_defd* clone() const =0; | |
36 | virtual Ref_defd_simple* get_ref_defd_simple() =0; | |
37 | virtual const Identifier* get_modid(); | |
38 | virtual const Identifier* get_id(); | |
39 | /** Appends error messages when necessary. */ | |
40 | virtual bool refers_to_st(Setting::settingtype_t p_st, | |
41 | ReferenceChain* refch=0); | |
42 | virtual void generate_code (expression_struct_t *expr); | |
43 | virtual void generate_code_const_ref(expression_struct_t *expr); | |
44 | }; | |
45 | ||
46 | /** | |
47 | * Class to represent simple defined references to entities. | |
48 | */ | |
49 | class Ref_defd_simple : public Ref_defd { | |
50 | private: | |
51 | Identifier *modid; | |
52 | Identifier *id; | |
53 | ||
54 | /** The copy constructor. For clone() only. */ | |
55 | Ref_defd_simple(const Ref_defd_simple& p); | |
56 | /** Assignment disabled */ | |
57 | Ref_defd_simple& operator=(const Ref_defd_simple& p); | |
58 | public: | |
59 | /** Constructs a new reference. \a p_modid can be 0. */ | |
60 | Ref_defd_simple(Identifier *p_modid, Identifier *p_id); | |
61 | virtual ~Ref_defd_simple(); | |
62 | /** Virtual constructor. */ | |
63 | virtual Ref_defd_simple* clone() const | |
64 | {return new Ref_defd_simple(*this);} | |
65 | virtual Ref_defd_simple* get_ref_defd_simple() {return this;} | |
66 | /** Returns the \a modid, or 0 if not present. */ | |
67 | virtual const Identifier* get_modid() {return modid;} | |
68 | /** Returns the \a id. */ | |
69 | virtual const Identifier* get_id() {return id;} | |
70 | /** Returns the referenced assigment. Appends an error message | |
71 | * and returns 0 when it cannot resolve the reference */ | |
72 | Assignment* get_refd_ass(); | |
73 | }; | |
74 | ||
75 | /** | |
76 | * \defgroup AST_Object Object | |
77 | * | |
78 | * @{ | |
79 | */ | |
80 | ||
81 | class ObjectClass; | |
82 | class OSE_Visitor; | |
83 | class OS_Element; | |
84 | class Object; | |
85 | class ObjectSet; | |
86 | ||
87 | // not defined here | |
88 | class OC_defn; | |
89 | class OCS_root; | |
90 | class FieldSpecs; | |
91 | class Obj_defn; | |
92 | class OSEV_objcollctr; | |
93 | class OS_defn; | |
94 | class OS_refd; | |
95 | ||
96 | /** | |
97 | * Class to represent ObjectClass. | |
98 | */ | |
99 | class ObjectClass : public Governor { | |
100 | protected: // OC_defn and OC_refd need access to their parent | |
101 | ObjectClass(const ObjectClass& p) : Governor(p) {} | |
102 | public: | |
103 | ObjectClass() : Governor(S_OC) {} | |
104 | virtual ObjectClass* clone() const =0; | |
105 | virtual OC_defn* get_refd_last(ReferenceChain *refch=0) =0; | |
106 | virtual void chk_this_obj(Object *obj) =0; | |
107 | virtual OCS_root* get_ocs() =0; | |
108 | virtual FieldSpecs* get_fss() =0; | |
109 | virtual void generate_code(output_struct *target) =0; | |
110 | virtual void dump(unsigned level) const =0; | |
111 | }; | |
112 | ||
113 | /** | |
114 | * ObjectSetElement visitor | |
115 | */ | |
116 | class OSE_Visitor : public Node { | |
117 | protected: // Three derived classes need access to loc | |
118 | const Location *loc; | |
119 | private: | |
120 | /** Copy constructor not implemented */ | |
121 | OSE_Visitor(const OSE_Visitor& p); | |
122 | /** Assignment not implemented */ | |
123 | OSE_Visitor& operator=(const OSE_Visitor& p); | |
124 | public: | |
125 | OSE_Visitor(const Location *p_loc) : Node(), loc(p_loc) {} | |
126 | virtual OSE_Visitor* clone() const; | |
127 | virtual void visit_Object(Object& p) =0; | |
128 | virtual void visit_OS_refd(OS_refd& p) =0; | |
129 | }; | |
130 | ||
131 | /** | |
132 | * Something that can be in an ObjectSet. | |
133 | */ | |
134 | class OS_Element { | |
135 | public: | |
136 | virtual ~OS_Element(); | |
137 | virtual OS_Element *clone_ose() const = 0; | |
138 | virtual void accept(OSE_Visitor& v) = 0; | |
139 | virtual void set_fullname_ose(const string& p_fullname) = 0; | |
140 | virtual void set_genname_ose(const string& p_prefix, | |
141 | const string& p_suffix) = 0; | |
142 | virtual void set_my_scope_ose(Scope *p_scope) = 0; | |
143 | }; | |
144 | ||
145 | /** | |
146 | * Class to represent Object. | |
147 | */ | |
148 | class Object : public Governed, public OS_Element { | |
149 | protected: // Obj_defn and Obj_refd need access | |
150 | ObjectClass *my_governor; | |
151 | bool is_erroneous; | |
152 | ||
153 | Object(const Object& p) | |
154 | : Governed(p), OS_Element(p), my_governor(0), | |
155 | is_erroneous(p.is_erroneous) {} | |
156 | private: | |
157 | Object& operator=(const Object& p); | |
158 | public: | |
159 | Object() : Governed(S_O), OS_Element(), my_governor(0), | |
160 | is_erroneous(false) {} | |
161 | virtual Object *clone() const = 0; | |
162 | /** Sets the governor ObjectClass. */ | |
163 | virtual void set_my_governor(ObjectClass *p_gov); | |
164 | /** Gets the governor ObjectClass. */ | |
165 | virtual ObjectClass* get_my_governor() const {return my_governor;} | |
166 | virtual Obj_defn* get_refd_last(ReferenceChain *refch=0) =0; | |
167 | virtual void chk() =0; | |
168 | void set_is_erroneous() {is_erroneous=true;} | |
169 | bool get_is_erroneous() {return is_erroneous;} | |
170 | virtual size_t get_nof_elems() {return 1;} | |
171 | virtual void accept(OSE_Visitor& v) {v.visit_Object(*this);} | |
172 | virtual void generate_code(output_struct *target) = 0; | |
173 | virtual OS_Element *clone_ose() const; | |
174 | virtual void set_fullname_ose(const string& p_fullname); | |
175 | virtual void set_genname_ose(const string& p_prefix, | |
176 | const string& p_suffix); | |
177 | virtual void set_my_scope_ose(Scope *p_scope); | |
178 | }; | |
179 | ||
180 | /** | |
181 | * Class to represent ObjectSet. | |
182 | */ | |
183 | class ObjectSet : public GovdSet { | |
184 | protected: // OS_defn and OS_refd need access | |
185 | ObjectClass *my_governor; | |
186 | ||
187 | ObjectSet(const ObjectSet& p) : GovdSet(p), my_governor(0) | |
188 | {} | |
189 | private: | |
190 | ObjectSet& operator=(const ObjectSet& p); | |
191 | public: | |
192 | ObjectSet() : GovdSet(S_OS), my_governor(0) {} | |
193 | virtual ObjectSet* clone() const =0; | |
194 | virtual void set_my_governor(ObjectClass *p_gov); | |
195 | virtual ObjectClass* get_my_governor() const {return my_governor;} | |
196 | virtual OS_defn* get_refd_last(ReferenceChain *refch=0) =0; | |
197 | virtual size_t get_nof_objs() =0; | |
198 | virtual Object* get_obj_byIndex(size_t p_i) =0; | |
199 | virtual void accept(OSEV_objcollctr& v) =0; | |
200 | virtual void chk() =0; | |
201 | virtual void generate_code(output_struct *target) =0; | |
202 | }; | |
203 | ||
204 | /** @} end of AST_Object group */ | |
205 | ||
206 | /** @} end of AST group */ | |
207 | ||
208 | } // namespace Asn | |
209 | ||
210 | #endif // _Asn_Object0_HH |