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1 | #include <stdio.h> |
2 | |
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3 | #include <ltt/LTTTypes.h> |
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4 | #include "parser.h" |
5 | #include <ltt/type.h> |
6 | |
7 | static unsigned intSizes[] = { |
8 | sizeof(int8_t), sizeof(int16_t), sizeof(int32_t), sizeof(int64_t), |
9 | sizeof(short) }; |
10 | |
11 | static unsigned floatSizes[] = { |
12 | 0, 0, sizeof(float), sizeof(double), 0, sizeof(float), sizeof(double) }; |
13 | |
14 | |
15 | /***************************************************************************** |
16 | *Function name |
17 | * ltt_eventtype_name : get the name of the event type |
18 | *Input params |
19 | * et : an event type |
20 | *Return value |
21 | * char * : the name of the event type |
22 | ****************************************************************************/ |
23 | |
24 | char *ltt_eventtype_name(ltt_eventtype *et) |
25 | { |
26 | return et->name; |
27 | } |
28 | |
29 | /***************************************************************************** |
30 | *Function name |
31 | * ltt_eventtype_description : get the description of the event type |
32 | *Input params |
33 | * et : an event type |
34 | *Return value |
35 | * char * : the description of the event type |
36 | ****************************************************************************/ |
37 | |
38 | char *ltt_eventtype_description(ltt_eventtype *et) |
39 | { |
40 | return et->description; |
41 | } |
42 | |
43 | /***************************************************************************** |
44 | *Function name |
45 | * ltt_eventtype_type : get the type of the event type |
46 | *Input params |
47 | * et : an event type |
48 | *Return value |
49 | * ltt_type * : the type of the event type |
50 | ****************************************************************************/ |
51 | |
52 | ltt_type *ltt_eventtype_type(ltt_eventtype *et) |
53 | { |
54 | return et->root_field->field_type; |
55 | } |
56 | |
57 | /***************************************************************************** |
58 | *Function name |
59 | * ltt_type_name : get the name of the type |
60 | *Input params |
61 | * t : a type |
62 | *Return value |
63 | * char * : the name of the type |
64 | ****************************************************************************/ |
65 | |
66 | char *ltt_type_name(ltt_type *t) |
67 | { |
68 | return t->element_name; |
69 | } |
70 | |
71 | /***************************************************************************** |
72 | *Function name |
73 | * ltt_type_class : get the type class of the type |
74 | *Input params |
75 | * t : a type |
76 | *Return value |
77 | * ltt_type_enum : the type class of the type |
78 | ****************************************************************************/ |
79 | |
80 | ltt_type_enum ltt_type_class(ltt_type *t) |
81 | { |
82 | return t->type_class; |
83 | } |
84 | |
85 | /***************************************************************************** |
86 | *Function name |
87 | * ltt_type_size : obtain the type size. The size is the number of bytes |
88 | * for primitive types (INT, UINT, FLOAT, ENUM), or the |
89 | * size for the unsigned integer length count for sequences |
90 | *Input params |
91 | * tf : trace file |
92 | * t : a type |
93 | *Return value |
94 | * unsigned : the type size |
95 | ****************************************************************************/ |
96 | |
97 | unsigned ltt_type_size(ltt_tracefile * tf, ltt_type *t) |
98 | { |
99 | if(t->type_class==LTT_STRUCT || t->type_class==LTT_ARRAY || |
100 | t->type_class==LTT_STRING) return 0; |
101 | |
102 | if(t->type_class == LTT_FLOAT){ |
103 | return floatSizes[t->size]; |
104 | }else{ |
105 | if(t->size < sizeof(intSizes)/sizeof(unsigned)) |
106 | return intSizes[t->size]; |
107 | else{ |
108 | ltt_arch_size size = tf->trace_header->arch_size; |
109 | if(size == LTT_LP32) |
110 | return sizeof(int16_t); |
111 | else if(size == LTT_ILP32 || size == LTT_LP64) |
112 | return sizeof(int32_t); |
113 | else if(size == LTT_ILP64) |
114 | return sizeof(int64_t); |
115 | } |
116 | } |
117 | } |
118 | |
119 | /***************************************************************************** |
120 | *Function name |
121 | * ltt_type_element_type : obtain the type of nested elements for arrays |
122 | * and sequences |
123 | *Input params |
124 | * t : a type |
125 | *Return value |
126 | * ltt_type : the type of nested element of array or sequence |
127 | ****************************************************************************/ |
128 | |
129 | ltt_type *ltt_type_element_type(ltt_type *t) |
130 | { |
131 | if(t->type_class != LTT_ARRAY || t->type_class != LTT_SEQUENCE) |
132 | return NULL; |
133 | return t->element_type[0]; |
134 | } |
135 | |
136 | /***************************************************************************** |
137 | *Function name |
138 | * ltt_type_element_number : obtain the number of elements for arrays |
139 | *Input params |
140 | * t : a type |
141 | *Return value |
142 | * unsigned : the number of elements for arrays |
143 | ****************************************************************************/ |
144 | |
145 | unsigned ltt_type_element_number(ltt_type *t) |
146 | { |
147 | if(t->type_class != LTT_ARRAY) |
148 | return 0; |
149 | return t->element_number; |
150 | } |
151 | |
152 | /***************************************************************************** |
153 | *Function name |
154 | * ltt_type_member_number : obtain the number of data members for structure |
155 | *Input params |
156 | * t : a type |
157 | *Return value |
158 | * unsigned : the number of members for structure |
159 | ****************************************************************************/ |
160 | |
161 | unsigned ltt_type_member_number(ltt_type *t) |
162 | { |
163 | if(t->type_class != LTT_STRUCT) |
164 | return 0; |
165 | return t->element_number; |
166 | } |
167 | |
168 | /***************************************************************************** |
169 | *Function name |
170 | * ltt_type_member_type : obtain the type of a data members in a structure |
171 | *Input params |
172 | * t : a type |
173 | * i : index of the member |
174 | *Return value |
175 | * ltt_type * : the type of structure member |
176 | ****************************************************************************/ |
177 | |
178 | ltt_type *ltt_type_member_type(ltt_type *t, unsigned i) |
179 | { |
180 | if(t->type_class != LTT_STRUCT) return NULL; |
181 | if(i > t->element_number || i == 0 ) return NULL; |
182 | return t->element_type[i-1]; |
183 | } |
184 | |
185 | /***************************************************************************** |
186 | *Function name |
187 | * ltt_enum_string_get : for enumerations, obtain the symbolic string |
188 | * associated with a value (0 to n - 1 for an |
189 | * enumeration of n elements) |
190 | *Input params |
191 | * t : a type |
192 | * i : index of the member |
193 | *Return value |
194 | * char * : symbolic string associated with a value |
195 | ****************************************************************************/ |
196 | |
197 | char *ltt_enum_string_get(ltt_type *t, unsigned i) |
198 | { |
199 | if(t->type_class != LTT_ENUM) return NULL; |
200 | if(i > t->element_number || i == 0 ) return NULL; |
201 | return t->enum_strings[i-1]; |
202 | } |
203 | |
204 | /***************************************************************************** |
205 | *Function name |
206 | * ltt_field_element : obtain the field of nested elements for arrays and |
207 | * sequence |
208 | *Input params |
209 | * f : a field |
210 | *Return value |
211 | * ltt_field * : the field of the nested element |
212 | ****************************************************************************/ |
213 | |
214 | ltt_field *ltt_field_element(ltt_field *f) |
215 | { |
216 | if(f->field_type->type_class != LTT_ARRAY || |
217 | f->field_type->type_class != LTT_SEQUENCE) |
218 | return NULL; |
219 | |
220 | return f->child[0]; |
221 | } |
222 | |
223 | /***************************************************************************** |
224 | *Function name |
225 | * ltt_field_member : obtain the filed of data members for structure |
226 | *Input params |
227 | * f : a field |
228 | * i : index of member field |
229 | *Return value |
230 | * ltt_field * : the field of the nested element |
231 | ****************************************************************************/ |
232 | |
233 | ltt_field *ltt_field_member(ltt_field *f, unsigned i) |
234 | { |
235 | if(f->field_type->type_class != LTT_STRUCT) return NULL; |
236 | if(i==0 || i>f->field_type->element_number) return NULL; |
237 | return f->child[i-1]; |
238 | } |
239 | |
240 | /***************************************************************************** |
241 | *Function name |
242 | * ltt_field_type : obtain the type of the field |
243 | *Input params |
244 | * f : a field |
245 | *Return value |
246 | * ltt_tyoe * : the type of field |
247 | ****************************************************************************/ |
248 | |
249 | ltt_type *ltt_field_type(ltt_field *f) |
250 | { |
251 | return f->field_type; |
252 | } |
253 | |