git.m6w6.name Git - m6w6/ext-psi/blob - src/data.h

   1 /*******************************************************************************
   2  Copyright (c) 2016, Michael Wallner <mike@php.net>.
   3  All rights reserved.
   4
   5  Redistribution and use in source and binary forms, with or without
   6  modification, are permitted provided that the following conditions are met:
   7
   8      * Redistributions of source code must retain the above copyright notice,
   9        this list of conditions and the following disclaimer.
  10      * Redistributions in binary form must reproduce the above copyright
  11        notice, this list of conditions and the following disclaimer in the
  12        documentation and/or other materials provided with the distribution.
  13
  14  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  15  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  17  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  18  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  20  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  21  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  22  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24 *******************************************************************************/
  25
  26 #ifndef PSI_DATA_H
  27 #define PSI_DATA_H
  28
  29 #include "types.h"
  30 #include "error.h"
  31 #include "plist.h"
  32 #include "validate.h"
  33
  34 #include <stdarg.h>
  35 #include <dlfcn.h>
  36
  37 #define PSI_DEBUG 0x1
  38 #define PSI_SILENT 0x2
  39
  40 #ifndef RTLD_NEXT
  41 # define RTLD_NEXT ((void *) -1l)
  42 #endif
  43 #ifndef RTLD_DEFAULT
  44 # define RTLD_DEFAULT ((void *) 0)
  45 #endif
  46
  47 #if PSI_THREADED_PARSER
  48 zend_string *psi_string_init_interned(const char *buf, size_t len, int p);
  49 zend_string *psi_new_interned_string(zend_string *str);
  50 #else
  51 # define psi_string_init_interned zend_string_init_interned
  52 # define psi_new_interned_string zend_new_interned_string
  53 #endif
  54
  55 static inline void *psi_dlsym(struct psi_plist *dllist, const char *name, const char *redir)
  56 {
  57         void *dl, *sym = NULL;
  58         const char *test = redir ?: name;
  59
  60 again:
  61         if (dllist) {
  62                 size_t i = 0;
  63
  64                 while (!sym && psi_plist_get(dllist, i++, &dl)) {
  65                         sym = dlsym(dl, test);
  66                 }
  67         }
  68         if (!sym) {
  69                 sym = dlsym(RTLD_DEFAULT, test);
  70         }
  71         if (!sym && test == redir) {
  72                 test = name;
  73                 goto again;
  74         }
  75
  76         return sym;
  77 }
  78
  79 #define PSI_DEBUG_PRINT(ctx, ...) do { \
  80         if ((ctx) && (PSI_DATA(ctx)->flags & PSI_DEBUG)) { \
  81                 dprintf(PSI_DATA(ctx)->debug_fd, __VA_ARGS__); \
  82         } \
  83 } while(0)
  84 #define PSI_DEBUG_PRINTV(ctx, msg, argv) do { \
  85         if ((ctx) && (PSI_DATA(ctx)->flags & PSI_DEBUG)) { \
  86                 vdprintf(PSI_DATA(ctx)->debug_fd, msg, argv); \
  87         } \
  88 } while(0)
  89 #define PSI_DEBUG_DUMP(ctx, dump_func, ...) do { \
  90         if ((ctx) && (PSI_DATA(ctx)->flags & PSI_DEBUG)) { \
  91                 struct psi_dump dump_ = {{ .fd = PSI_DATA(ctx)->debug_fd}, \
  92                                 .fun = (psi_dump_cb) dprintf}; \
  93                 dump_func(&dump_, __VA_ARGS__); \
  94         } \
  95 } while (0)
  96
  97 union psi_dump_arg {
  98         void *hn;
  99         int fd;
 100 };
 101 typedef void (*psi_dump_cb)(union psi_dump_arg, const char *msg, ...);
 102 struct psi_dump {
 103         union psi_dump_arg ctx;
 104         psi_dump_cb fun;
 105 };
 106 #define PSI_DUMP(dump, ...) do { \
 107         struct psi_dump _dump_tmp, *_dump_ptr = dump; \
 108         if (!_dump_ptr) { \
 109                 _dump_ptr = &_dump_tmp; \
 110                 _dump_tmp.ctx.fd = STDOUT_FILENO; \
 111                 _dump_tmp.fun = (psi_dump_cb) dprintf; \
 112         } \
 113         _dump_ptr->fun(_dump_ptr->ctx, __VA_ARGS__); \
 114 } while(0)
 115
 116 #define PSI_DATA(D) ((struct psi_data *) (D))
 117
 118 #define PSI_DATA_MEMBERS \
 119         struct psi_decl_file file; \
 120         struct psi_plist *consts; \
 121         struct psi_plist *types; \
 122         struct psi_plist *structs; \
 123         struct psi_plist *unions; \
 124         struct psi_plist *enums; \
 125         struct psi_plist *decls; \
 126         struct psi_plist *vars; \
 127         struct psi_plist *impls; \
 128         psi_error_cb error; \
 129         char last_error[0x1000]; \
 130         unsigned errors; \
 131         unsigned flags; \
 132         int debug_fd
 133
 134 struct psi_data {
 135         PSI_DATA_MEMBERS;
 136 };
 137
 138 struct psi_data *psi_data_ctor(struct psi_data *data, psi_error_cb error, unsigned flags);
 139 struct psi_data *psi_data_ctor_with_dtors(struct psi_data *data, psi_error_cb error, unsigned flags);
 140 struct psi_data *psi_data_exchange(struct psi_data *dest, struct psi_data *src);
 141 void psi_data_dtor(struct psi_data *data);
 142 void psi_data_dump(struct psi_dump *dump, struct psi_data *data);
 143
 144 #endif