Line data    Source code

       1             : /*
       2             :  * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
       3             :  * (Royal Institute of Technology, Stockholm, Sweden).
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions
       8             :  * are met:
       9             :  *
      10             :  * 1. Redistributions of source code must retain the above copyright
      11             :  *    notice, this list of conditions and the following disclaimer.
      12             :  *
      13             :  * 2. Redistributions in binary form must reproduce the above copyright
      14             :  *    notice, this list of conditions and the following disclaimer in the
      15             :  *    documentation and/or other materials provided with the distribution.
      16             :  *
      17             :  * 3. Neither the name of the Institute nor the names of its contributors
      18             :  *    may be used to endorse or promote products derived from this software
      19             :  *    without specific prior written permission.
      20             :  *
      21             :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      22             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      25             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31             :  * SUCH DAMAGE.
      32             :  */
      33             : 
      34             : #include "gen_locl.h"
      35             : #include "lex.h"
      36             : #include "lex.h"
      37             : 
      38             : static Hashtab *htab;
      39             : 
      40             : struct symhead symbols;
      41             : 
      42             : static int
      43       80902 : cmp(void *a, void *b)
      44             : {
      45       80902 :     Symbol *s1 = (Symbol *) a;
      46       80902 :     Symbol *s2 = (Symbol *) b;
      47             : 
      48       80902 :     return strcmp(s1->name, s2->name);
      49             : }
      50             : 
      51             : static unsigned
      52       81282 : hash(void *a)
      53             : {
      54       81282 :     Symbol *s = (Symbol *) a;
      55             : 
      56       81282 :     return hashjpw(s->name);
      57             : }
      58             : 
      59             : void
      60         304 : initsym(void)
      61             : {
      62         304 :     htab = hashtabnew(101, cmp, hash);
      63         304 : }
      64             : 
      65             : 
      66             : void
      67       61921 : output_name(char *s)
      68             : {
      69        3259 :     char *p;
      70             : 
      71      908181 :     for (p = s; *p; ++p)
      72      846260 :         if (*p == '-' || *p == '.')
      73       31616 :             *p = '_';
      74       61921 : }
      75             : 
      76             : Symbol *
      77       35416 : addsym(char *name)
      78             : {
      79        1864 :     Symbol key, *s;
      80             : 
      81       35416 :     key.name = name;
      82       35416 :     s = (Symbol *) hashtabsearch(htab, (void *) &key);
      83       35416 :     if (s == NULL) {
      84       15637 :         s = (Symbol *) ecalloc(1, sizeof(*s));
      85       15637 :         s->name = name;
      86       15637 :         s->gen_name = estrdup(name);
      87       15637 :         output_name(s->gen_name);
      88       15637 :         s->stype = SUndefined;
      89       15637 :         hashtabadd(htab, s);
      90             :         //HEIM_TAILQ_INSERT_TAIL(&symbols, s, symlist);
      91        2687 :         do {
      92       15637 :             if (((s)->symlist.tqe_next = (&symbols)->tqh_first) != NULL)
      93       15333 :                 (&symbols)->tqh_first->symlist.tqe_prev = &(s)->symlist.tqe_next;
      94             :             else
      95         304 :                 (&symbols)->tqh_last = &(s)->symlist.tqe_next;
      96       15637 :             (&symbols)->tqh_first = (s);
      97       15637 :             (s)->symlist.tqe_prev = &(&symbols)->tqh_first;
      98             :         } while (0);
      99             :     }
     100       35416 :     return s;
     101             : }
     102             : 
     103             : Symbol *
     104       14592 : getsym(char *name)
     105             : {
     106         768 :     Symbol key;
     107             : 
     108       14592 :     key.name = name;
     109       14592 :     return (Symbol *) hashtabsearch(htab, (void *) &key);
     110             : }
     111             : 
     112             : static int
     113       15637 : checkfunc(void *ptr, void *arg)
     114             : {
     115       15637 :     Symbol *s = ptr;
     116       15637 :     if (s->stype == SUndefined) {
     117           0 :         lex_error_message("%s is still undefined\n", s->name);
     118           0 :         *(int *) arg = 1;
     119             :     }
     120       15637 :     return 0;
     121             : }
     122             : 
     123             : int
     124         304 : checkundefined(void)
     125             : {
     126         304 :     int f = 0;
     127         304 :     hashtabforeach(htab, checkfunc, &f);
     128         304 :     return f;
     129             : }
     130             : 
     131             : #if 0
     132             : static int
     133             : generate_1type(void *ptr, void *arg)
     134             : {
     135             :     Symbol *s = ptr;
     136             : 
     137             :     if (s->stype == Stype && s->type)
     138             :         generate_type(s);
     139             :     return 0;
     140             : }
     141             : #endif
     142             : 
     143             : void
     144         304 : generate_types(void)
     145             : {
     146          16 :     Symbol *s;
     147             : 
     148         304 :     if (checkundefined())
     149           0 :         errx(1, "Some types are undefined");
     150       15941 :     HEIM_TAILQ_FOREACH_REVERSE(s, &symbols, symhead, symlist) {
     151       15637 :         if (s->stype == Stype && s->type)
     152        7771 :             generate_type(s);
     153             :     }
     154             :     //hashtabforeach(htab, generate_1type, NULL);
     155         304 : }
     156             : 
     157             : void
     158       14858 : emitted_declaration(const Symbol *s)
     159             : {
     160       14858 :     ((Symbol *)(uintptr_t)s)->emitted_declaration = 1;
     161       14858 : }
     162             : 
     163             : void
     164        7771 : emitted_definition(const Symbol *s)
     165             : {
     166        7771 :     ((Symbol *)(uintptr_t)s)->emitted_definition = 1;
     167        7771 : }
     168             : 
     169             : void
     170        7752 : emitted_tag_enums(const Symbol *s)
     171             : {
     172        7752 :     ((Symbol *)(uintptr_t)s)->emitted_tag_enums = 1;
     173        7752 : }
     174             : 
     175             : void
     176        7771 : emitted_asn1(const Symbol *s)
     177             : {
     178        7771 :     ((Symbol *)(uintptr_t)s)->emitted_asn1 = 1;
     179        7771 : }