-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathsemantics.h
247 lines (231 loc) · 11.1 KB
/
semantics.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
#pragma once
#include <map>
#include <string>
#include <parser.h>
namespace semantics {
struct type_t {
virtual std::string as_str() = 0;
};
struct method_symtbl_t {
std::string name;
std::vector<std::pair<std::string, type_t *>> params;
std::map<std::string, type_t *> local_vars;
type_t *return_type;
method_symtbl_t() : return_type(nullptr) {}
method_symtbl_t(std::string name, std::vector<std::pair<std::string, type_t *>> params,
std::map<std::string, type_t *> local_vars, type_t *return_type)
: name(name), params(params), local_vars(local_vars), return_type(return_type)
{
}
};
struct integer_t : public type_t {
std::string as_str() override { return "integer"; }
};
struct boolean_t : public type_t {
std::string as_str() override { return "boolean"; }
};
struct array_t : public type_t {
std::string as_str() override { return "array"; }
};
extern integer_t *integer_type;
extern boolean_t *boolean_type;
extern array_t *array_type;
struct class_symtbl_t : public type_t {
class_symtbl_t *parent_class;
std::string name;
std::map<std::string, type_t *> fields;
std::vector<method_symtbl_t *> methods;
std::string as_str() override { return name; }
bool is_subtype(class_symtbl_t *other);
};
struct program_symtbl_t {
std::map<std::string, class_symtbl_t *> classes;
type_t *str_to_type(const std::string &name);
void print();
};
class semantic_vis_accum_classes_t : public visitor::visitor_t {
public:
program_symtbl_t *program_symtbl;
void visit(parser::goal_t *node) override;
void visit(parser::main_class_t *node) override;
void visit(parser::class_decl_t *node) override;
void visit(parser::var_decl_t *node) override{};
void visit(parser::method_decl_t *node) override{};
void visit(parser::type_t *node) override{};
void visit(parser::statement_t *node) override{};
void visit(parser::block_statement_t *node) override{};
void visit(parser::if_statement_t *node) override{};
void visit(parser::while_statement_t *node) override{};
void visit(parser::print_statement_t *node) override{};
void visit(parser::assign_statement_t *node) override{};
void visit(parser::array_assign_statement_t *node) override{};
void visit(parser::expression_t *node) override{};
void visit(parser::binary_expression_t *node) override{};
void visit(parser::array_index_expression_t *node) override{};
void visit(parser::array_length_expression_t *node) override{};
void visit(parser::method_call_expression_t *node) override{};
void visit(parser::integer_literal_expression_t *node) override{};
void visit(parser::true_literal_expression_t *node) override{};
void visit(parser::false_literal_expression_t *node) override{};
void visit(parser::identifier_expression_t *node) override{};
void visit(parser::this_expression_t *node) override{};
void visit(parser::new_integer_array_expression_t *node) override{};
void visit(parser::new_object_expression_t *node) override{};
void visit(parser::not_expression_t *node) override{};
void visit(parser::parentheses_expression_t *node) override{};
};
class semantic_vis_accum_parent_classes_t : public visitor::visitor_t {
public:
program_symtbl_t *program_symtbl;
semantic_vis_accum_parent_classes_t(program_symtbl_t *program_symtbl)
: program_symtbl(program_symtbl)
{
}
void visit(parser::goal_t *node) override;
void visit(parser::main_class_t *node) override{};
void visit(parser::class_decl_t *node) override;
void visit(parser::var_decl_t *node) override{};
void visit(parser::method_decl_t *node) override{};
void visit(parser::type_t *node) override{};
void visit(parser::statement_t *node) override{};
void visit(parser::block_statement_t *node) override{};
void visit(parser::if_statement_t *node) override{};
void visit(parser::while_statement_t *node) override{};
void visit(parser::print_statement_t *node) override{};
void visit(parser::assign_statement_t *node) override{};
void visit(parser::array_assign_statement_t *node) override{};
void visit(parser::expression_t *node) override{};
void visit(parser::binary_expression_t *node) override{};
void visit(parser::array_index_expression_t *node) override{};
void visit(parser::array_length_expression_t *node) override{};
void visit(parser::method_call_expression_t *node) override{};
void visit(parser::integer_literal_expression_t *node) override{};
void visit(parser::true_literal_expression_t *node) override{};
void visit(parser::false_literal_expression_t *node) override{};
void visit(parser::identifier_expression_t *node) override{};
void visit(parser::this_expression_t *node) override{};
void visit(parser::new_integer_array_expression_t *node) override{};
void visit(parser::new_object_expression_t *node) override{};
void visit(parser::not_expression_t *node) override{};
void visit(parser::parentheses_expression_t *node) override{};
};
class semantic_vis_accum_fields_t : public visitor::visitor_t {
public:
program_symtbl_t *program_symtbl;
semantic_vis_accum_fields_t(program_symtbl_t *program_symtbl)
: program_symtbl(program_symtbl)
{
}
void visit(parser::goal_t *node) override;
void visit(parser::main_class_t *node) override{};
void visit(parser::class_decl_t *node) override;
void visit(parser::var_decl_t *node) override{};
void visit(parser::method_decl_t *node) override{};
void visit(parser::type_t *node) override{};
void visit(parser::statement_t *node) override{};
void visit(parser::block_statement_t *node) override{};
void visit(parser::if_statement_t *node) override{};
void visit(parser::while_statement_t *node) override{};
void visit(parser::print_statement_t *node) override{};
void visit(parser::assign_statement_t *node) override{};
void visit(parser::array_assign_statement_t *node) override{};
void visit(parser::expression_t *node) override{};
void visit(parser::binary_expression_t *node) override{};
void visit(parser::array_index_expression_t *node) override{};
void visit(parser::array_length_expression_t *node) override{};
void visit(parser::method_call_expression_t *node) override{};
void visit(parser::integer_literal_expression_t *node) override{};
void visit(parser::true_literal_expression_t *node) override{};
void visit(parser::false_literal_expression_t *node) override{};
void visit(parser::identifier_expression_t *node) override{};
void visit(parser::this_expression_t *node) override{};
void visit(parser::new_integer_array_expression_t *node) override{};
void visit(parser::new_object_expression_t *node) override{};
void visit(parser::not_expression_t *node) override{};
void visit(parser::parentheses_expression_t *node) override{};
};
class semantic_vis_accum_local_vars_t : public visitor::visitor_t {
public:
program_symtbl_t *program_symtbl;
semantic_vis_accum_local_vars_t(program_symtbl_t *program_symtbl)
: program_symtbl(program_symtbl)
{
}
void visit(parser::goal_t *node) override;
void visit(parser::main_class_t *node) override{};
void visit(parser::class_decl_t *node) override;
void visit(parser::var_decl_t *node) override{};
void visit(parser::method_decl_t *node) override{};
void visit(parser::type_t *node) override{};
void visit(parser::statement_t *node) override{};
void visit(parser::block_statement_t *node) override{};
void visit(parser::if_statement_t *node) override{};
void visit(parser::while_statement_t *node) override{};
void visit(parser::print_statement_t *node) override{};
void visit(parser::assign_statement_t *node) override{};
void visit(parser::array_assign_statement_t *node) override{};
void visit(parser::expression_t *node) override{};
void visit(parser::binary_expression_t *node) override{};
void visit(parser::array_index_expression_t *node) override{};
void visit(parser::array_length_expression_t *node) override{};
void visit(parser::method_call_expression_t *node) override{};
void visit(parser::integer_literal_expression_t *node) override{};
void visit(parser::true_literal_expression_t *node) override{};
void visit(parser::false_literal_expression_t *node) override{};
void visit(parser::identifier_expression_t *node) override{};
void visit(parser::this_expression_t *node) override{};
void visit(parser::new_integer_array_expression_t *node) override{};
void visit(parser::new_object_expression_t *node) override{};
void visit(parser::not_expression_t *node) override{};
void visit(parser::parentheses_expression_t *node) override{};
};
struct context_t {
class_symtbl_t *current_class;
method_symtbl_t *current_method;
context_t() : current_class(nullptr), current_method(nullptr) {}
context_t(class_symtbl_t *current_class, method_symtbl_t *current_method)
: current_class(current_class), current_method(current_method)
{
}
};
class semantic_vis_type_check_t : public visitor::visitor_t {
public:
program_symtbl_t *program_symtbl;
context_t context;
type_t *current_type;
semantic_vis_type_check_t(program_symtbl_t *program_symtbl)
: program_symtbl(program_symtbl), current_type(nullptr)
{
}
void visit(parser::goal_t *node) override;
void visit(parser::main_class_t *node) override;
void visit(parser::class_decl_t *node) override;
void visit(parser::var_decl_t *node) override;
void visit(parser::method_decl_t *node) override;
void visit(parser::type_t *node) override;
void visit(parser::statement_t *node) override;
void visit(parser::block_statement_t *node) override;
void visit(parser::if_statement_t *node) override;
void visit(parser::while_statement_t *node) override;
void visit(parser::print_statement_t *node) override;
void visit(parser::assign_statement_t *node) override;
void visit(parser::array_assign_statement_t *node) override;
void visit(parser::expression_t *node) override;
void visit(parser::binary_expression_t *node) override;
void visit(parser::array_index_expression_t *node) override;
void visit(parser::array_length_expression_t *node) override;
void visit(parser::method_call_expression_t *node) override;
void visit(parser::integer_literal_expression_t *node) override;
void visit(parser::true_literal_expression_t *node) override;
void visit(parser::false_literal_expression_t *node) override;
void visit(parser::identifier_expression_t *node) override;
void visit(parser::this_expression_t *node) override;
void visit(parser::new_integer_array_expression_t *node) override;
void visit(parser::new_object_expression_t *node) override;
void visit(parser::not_expression_t *node) override;
void visit(parser::parentheses_expression_t *node) override;
type_t *symbol_lookup__(const std::string &name, class_symtbl_t *class_symtbl,
method_symtbl_t *method_symtbl);
type_t *symbol_lookup(const std::string &name);
};
} // namespace semantics