summaryrefslogtreecommitdiff
path: root/src/bin/eolian/types.c
blob: 96232833cdcc30f28fa5ad1a51b128143054004c (plain)
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
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
#include <ctype.h>

#include "main.h"
#include "headers.h"
#include "docs.h"

static Eina_Strbuf *
_type_generate(const Eolian_State *state, const Eolian_Typedecl *tp,
               Eina_Bool full)
{
   char *grp = strdup(eolian_typedecl_name_get(tp));
   char *p = strrchr(grp, '.');
   if (p) *p = '\0';
   Eina_Strbuf *buf = eo_gen_docs_full_gen(state, eolian_typedecl_documentation_get(tp),
                                           grp, 0);
   free(grp);
   if (!buf) buf = eina_strbuf_new();
   else eina_strbuf_append_char(buf, '\n');
   Eolian_Typedecl_Type tpt = eolian_typedecl_type_get(tp);
   switch (tpt)
     {
      case EOLIAN_TYPEDECL_ALIAS:
        {
           Eina_Stringshare *tn = eolian_typedecl_c_type_get(tp);
           eina_strbuf_append(buf, tn);
           eina_stringshare_del(tn);
           break;
        }
      case EOLIAN_TYPEDECL_STRUCT:
      case EOLIAN_TYPEDECL_STRUCT_OPAQUE:
        {
           const Eolian_Struct_Type_Field *memb;
           char *fn = eo_gen_c_full_name_get(eolian_typedecl_name_get(tp));
           if (tpt == EOLIAN_TYPEDECL_STRUCT_OPAQUE || !full)
             {
                eina_strbuf_append_printf(buf, "typedef struct _%s %s", fn, fn);
                free(fn);
                break;
             }
           eina_strbuf_append_printf(buf, "typedef struct _%s\n{\n", fn);
           Eina_Iterator *membs = eolian_typedecl_struct_fields_get(tp);
           EINA_ITERATOR_FOREACH(membs, memb)
             {
                Eina_Stringshare *ct = NULL;
                ct = eolian_typedecl_struct_field_c_type_get(memb);
                eina_strbuf_append_printf(buf, "  %s%s%s;",
                   ct, strchr(ct, '*') ? "" : " ",
                   eolian_typedecl_struct_field_name_get(memb));
                eina_stringshare_del(ct);
                const Eolian_Documentation *fdoc
                   = eolian_typedecl_struct_field_documentation_get(memb);
                 if (fdoc)
                   {
                      const char *nl = strrchr(eina_strbuf_string_get(buf), '\n');
                      if (nl)
                        {
                           Eina_Strbuf *fbuf = eo_gen_docs_full_gen(state, fdoc, NULL,
                              strlen(nl));
                           if (fbuf)
                             eina_strbuf_append_printf(buf, " %s",
                                eina_strbuf_string_get(fbuf));
                           eina_strbuf_free(fbuf);
                        }
                   }
                eina_strbuf_append(buf, "\n");
             }
           eina_iterator_free(membs);
           eina_strbuf_append_printf(buf, "} %s", fn);
           free(fn);
           break;
        }
      case EOLIAN_TYPEDECL_ENUM:
        {
           const Eolian_Enum_Type_Field *memb;
           if (!full)
             break;
           eina_strbuf_append_printf(buf, "typedef enum\n{\n");
           Eina_Iterator *membs = eolian_typedecl_enum_fields_get(tp);
           Eina_Bool next = eina_iterator_next(membs, (void **)&memb);
           while (next)
             {
                const Eolian_Expression *vale =
                   eolian_typedecl_enum_field_value_get(memb, EINA_FALSE);
                Eina_Stringshare *membn =
                   eolian_typedecl_enum_field_c_constant_get(memb);
                if (!vale)
                  eina_strbuf_append_printf(buf, "  %s", membn);
                else
                  {
                     Eolian_Value val =
                        eolian_expression_eval(vale, EOLIAN_MASK_INT);
                     const char *lit = eolian_expression_value_to_literal(&val);
                     eina_strbuf_append_printf(buf, "  %s = %s", membn, lit);
                     const char *exp = eolian_expression_serialize(vale);
                     if (exp && strcmp(lit, exp))
                       eina_strbuf_append_printf(buf, " /* %s */", exp);
                     eina_stringshare_del(exp);
                     eina_stringshare_del(lit);
                  }
                eina_stringshare_del(membn);
                const Eolian_Documentation *fdoc
                   = eolian_typedecl_enum_field_documentation_get(memb);
                next = eina_iterator_next(membs, (void **)&memb);
                if (next)
                  eina_strbuf_append(buf, ",");
                if (fdoc)
                  {
                     const char *nl = strrchr(eina_strbuf_string_get(buf), '\n');
                     if (nl)
                       {
                          Eina_Strbuf *fbuf = eo_gen_docs_full_gen(state, fdoc, NULL,
                             strlen(nl));
                          if (fbuf)
                            eina_strbuf_append_printf(buf, " %s",
                               eina_strbuf_string_get(fbuf));
                          eina_strbuf_free(fbuf);
                       }
                  }
                eina_strbuf_append(buf, "\n");
             }
           eina_iterator_free(membs);
           char *fn = eo_gen_c_full_name_get(eolian_typedecl_name_get(tp));
           eina_strbuf_append_printf(buf, "} %s", fn);
           free(fn);
           break;
        }
      case EOLIAN_TYPEDECL_FUNCTION_POINTER:
        {
           const Eolian_Function *fid = eolian_typedecl_function_pointer_get(tp);

           eina_strbuf_append(buf, "typedef ");

           /* Return type */
           const Eolian_Type *rtp = eolian_function_return_type_get(fid, EOLIAN_FUNCTION_POINTER);
           if (!rtp)
             eina_strbuf_append(buf, "void ");
           else
             {
                Eina_Stringshare *ct = eolian_function_return_c_type_get(fid, EOLIAN_FUNCTION_POINTER);
                eina_strbuf_append_printf(buf, "%s ", ct);
                eina_stringshare_del(ct);
             }

           /* Function name */
           char *fn = eo_gen_c_full_name_get(eolian_typedecl_name_get(tp));
           eina_strbuf_append_printf(buf, "(*%s)", fn);
           free(fn);

           /* Parameters */
           eina_strbuf_append(buf, "(void *data");
           int nidx = 1;
           eo_gen_params(eolian_function_parameters_get(fid), buf, NULL, &nidx, EOLIAN_FUNCTION_POINTER);
           eina_strbuf_append(buf, ")");

           break;
        }
      default:
        eina_strbuf_reset(buf);
        break;
     }
   eina_strbuf_append_char(buf, ';');
   if (eolian_typedecl_is_beta(tp))
     {
        eina_strbuf_prepend(buf, "#ifdef EFL_BETA_API_SUPPORT\n");
        eina_strbuf_append(buf, "\n#endif /* EFL_BETA_API_SUPPORT */");
     }
   return buf;
}

static Eina_Strbuf *
_const_generate(const Eolian_State *state, const Eolian_Constant *vr)
{
   char *fn = strdup(eolian_constant_name_get(vr));
   char *p = strrchr(fn, '.');
   if (p) *p = '\0';
   Eina_Strbuf *buf = eo_gen_docs_full_gen(state, eolian_constant_documentation_get(vr),
                                           fn, 0);
   if (p)
     {
        *p = '_';
        while ((p = strchr(fn, '.')))
          *p = '_';
     }
   eina_str_toupper(&fn);
   if (!buf) buf = eina_strbuf_new();
   else eina_strbuf_append_char(buf, '\n');

   /* we generate a define macro here, as it's a constant */
   eina_strbuf_prepend_printf(buf, "#ifndef %s\n", fn);
   eina_strbuf_append_printf(buf, "#define %s ", fn);
   const Eolian_Expression *vv = eolian_constant_value_get(vr);
   Eolian_Value val = eolian_expression_eval(vv, EOLIAN_MASK_ALL);
   Eina_Stringshare *lit = eolian_expression_value_to_literal(&val);
   eina_strbuf_append(buf, lit);
   Eina_Stringshare *exp = eolian_expression_serialize(vv);
   if (exp && strcmp(lit, exp))
     eina_strbuf_append_printf(buf, " /* %s */", exp);
   eina_stringshare_del(lit);
   eina_stringshare_del(exp);
   eina_strbuf_append(buf, "\n#endif");

   free(fn);
   if (eolian_constant_is_beta(vr))
     {
        eina_strbuf_prepend(buf, "#ifdef EFL_BETA_API_SUPPORT\n");
        eina_strbuf_append(buf, "\n#endif /* EFL_BETA_API_SUPPORT */");
     }
   return buf;
}

static Eina_Strbuf *
_err_generate(const Eolian_State *state, const Eolian_Error *err)
{
   char *fn = strdup(eolian_error_name_get(err));
   char *p = strrchr(fn, '.');
   if (p) *p = '\0';
   Eina_Strbuf *buf = eo_gen_docs_full_gen(state, eolian_error_documentation_get(err),
                                           fn, 0);
   if (p)
     {
        *p = '_';
        while ((p = strchr(fn, '.')))
          *p = '_';
     }
   eina_str_tolower(&fn);
   if (!buf) buf = eina_strbuf_new();
   else eina_strbuf_append_char(buf, '\n');

   eina_strbuf_prepend_printf(buf, "EWAPI Eina_Error %s_get(void);\n\n", fn);

   char *ufn = strdup(fn);
   eina_str_toupper(&ufn);
   eina_strbuf_append_printf(buf, "#define %s %s_get()", ufn, fn);
   free(ufn);
   free(fn);

   if (eolian_error_is_beta(err))
     {
        eina_strbuf_prepend(buf, "#ifdef EFL_BETA_API_SUPPORT\n");
        eina_strbuf_append(buf, "\n#endif /* EFL_BETA_API_SUPPORT */");
     }
   return buf;
}

void eo_gen_types_header_gen(const Eolian_State *state,
                             Eina_Iterator *itr, Eina_Strbuf *buf,
                             Eina_Bool full)
{
   const Eolian_Object *decl;
   EINA_ITERATOR_FOREACH(itr, decl)
     {
        Eolian_Object_Type dt = eolian_object_type_get(decl);

        if (dt == EOLIAN_OBJECT_CONSTANT)
          {
             const Eolian_Constant *vr = (const Eolian_Constant *)decl;
             if (!vr || eolian_constant_is_extern(vr))
               continue;

             Eina_Strbuf *vbuf = _const_generate(state, vr);
             if (vbuf)
               {
                  eina_strbuf_append(buf, eina_strbuf_string_get(vbuf));
                  eina_strbuf_append(buf, "\n\n");
                  eina_strbuf_free(vbuf);
               }
             continue;
          }
        else if (dt == EOLIAN_OBJECT_ERROR)
          {
             const Eolian_Error *err = (const Eolian_Error *)decl;
             if (!err || eolian_error_is_extern(err))
               continue;

             Eina_Strbuf *ebuf = _err_generate(state, err);
             if (ebuf)
               {
                  eina_strbuf_append(buf, eina_strbuf_string_get(ebuf));
                  eina_strbuf_append(buf, "\n\n");
                  eina_strbuf_free(ebuf);
               }
             continue;
          }

        if (dt != EOLIAN_OBJECT_TYPEDECL)
          continue;

        const Eolian_Typedecl *tp = (const Eolian_Typedecl *)decl;

        if (eolian_typedecl_is_extern(tp))
          continue;

        Eolian_Typedecl_Type tpt = eolian_typedecl_type_get(tp);

        if (tpt == EOLIAN_TYPEDECL_ENUM && !full)
          continue;

        if (tpt == EOLIAN_TYPEDECL_ALIAS)
          {
             const Eolian_Type *btp = eolian_typedecl_base_type_get(tp);
             if (eolian_type_type_get(btp) == EOLIAN_TYPE_UNDEFINED)
               continue;
          }

        Eina_Strbuf *tbuf = _type_generate(state, tp, full);
        if (tbuf)
          {
             eina_strbuf_append(buf, eina_strbuf_string_get(tbuf));
             eina_strbuf_append(buf, "\n\n");
             eina_strbuf_free(tbuf);
          }
     }
   eina_iterator_free(itr);
}

static void
_source_gen_error(Eina_Strbuf *buf, const Eolian_Error *err)
{
   if (eolian_error_is_extern(err))
     return;

   char *fn = strdup(eolian_error_name_get(err));
   for (char *p = strchr(fn, '.'); p; p = strchr(p, '.'))
     *p = '_';
   eina_str_tolower(&fn);

   eina_strbuf_append_printf(buf, "EWAPI Eina_Error %s_get(void)\n{\n", fn);
   free(fn);

   const char *msg = eolian_error_message_get(err);
   eina_strbuf_append(buf, "   static Eina_Error err = EINA_ERROR_NO_ERROR;\n");
   eina_strbuf_append(buf, "   if (err == EINA_ERROR_NO_ERROR)\n");
   eina_strbuf_append(buf, "     err = eina_error_msg_static_register(\"");
   for (const char *p = msg; *p; ++p)
     switch (*p)
       {
        case '\\':
        case '\'':
        case '\"':
          {
             eina_strbuf_append_char(buf, '\\');
             eina_strbuf_append_char(buf, *p);
             continue;
          }
        case '\n':
          {
             eina_strbuf_append_char(buf, '\\');
             eina_strbuf_append_char(buf, 'n');
             continue;
          }
        case '\t':
          {
             eina_strbuf_append_char(buf, '\\');
             eina_strbuf_append_char(buf, 't');
             continue;
          }
        default:
          {
             if (isprint(*p))
               eina_strbuf_append_char(buf, *p);
             else
               eina_strbuf_append_printf(buf, "\\x%2X", (unsigned int)*p);
             continue;
          }
       }
   eina_strbuf_append(buf, "\");\n");
   eina_strbuf_append(buf, "   return err;\n}\n\n");
}

void eo_gen_types_source_gen(Eina_Iterator *itr, Eina_Strbuf *buf)
{
   const Eolian_Object *decl;
   EINA_ITERATOR_FOREACH(itr, decl)
     {
        Eolian_Object_Type dt = eolian_object_type_get(decl);

        if (dt == EOLIAN_OBJECT_ERROR)
          _source_gen_error(buf, (const Eolian_Error *)decl);
     }
   eina_iterator_free(itr);
}

Eina_Strbuf *eo_gen_class_typedef_gen(const Eolian_State *eos, const char *eof)
{
   const Eolian_Class *cl = eolian_state_class_by_file_get(eos, eof);
   if (!cl)
     return NULL;
   char *clfn = eo_gen_c_full_name_get(eolian_class_name_get(cl));
   if (!clfn)
     return NULL;
   Eina_Strbuf *ret = eina_strbuf_new();
   eina_strbuf_append_printf(ret, "typedef Eo %s;\n", clfn);
   free(clfn);
   return ret;
}