1 /* Miscellaneous stuff that doesn't fit anywhere else.
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
3 Free Software Foundation, Inc.
4 Contributed by Andy Vaught
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to the Free
20 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
27 /* Get a block of memory. Many callers assume that the memory we
40 gfc_fatal_error ("Out of memory-- malloc() failed");
46 /* gfortran.h defines free to something that triggers a syntax error,
47 but we need free() here. */
63 /* Get terminal width. */
66 gfc_terminal_width (void)
72 /* Initialize a typespec to unknown. */
75 gfc_clear_ts (gfc_typespec *ts)
77 ts->type = BT_UNKNOWN;
81 /* flag that says if the type is C interoperable */
83 /* says what f90 type the C kind interops with */
84 ts->f90_type = BT_UNKNOWN;
85 /* flag that says whether it's from iso_c_binding or not */
90 /* Open a file for reading. */
93 gfc_open_file (const char *name)
100 if (stat (name, &statbuf) < 0)
103 if (!S_ISREG (statbuf.st_mode))
106 return fopen (name, "r");
110 /* Return a string for each type. */
113 gfc_basic_typename (bt type)
147 gfc_internal_error ("gfc_basic_typename(): Undefined type");
154 /* Return a string describing the type and kind of a typespec. Because
155 we return alternating buffers, this subroutine can appear twice in
156 the argument list of a single statement. */
159 gfc_typename (gfc_typespec *ts)
161 static char buffer1[GFC_MAX_SYMBOL_LEN + 7]; /* 7 for "TYPE()" + '\0'. */
162 static char buffer2[GFC_MAX_SYMBOL_LEN + 7];
166 buffer = flag ? buffer1 : buffer2;
172 sprintf (buffer, "INTEGER(%d)", ts->kind);
175 sprintf (buffer, "REAL(%d)", ts->kind);
178 sprintf (buffer, "COMPLEX(%d)", ts->kind);
181 sprintf (buffer, "LOGICAL(%d)", ts->kind);
184 sprintf (buffer, "CHARACTER(%d)", ts->kind);
187 sprintf (buffer, "HOLLERITH");
190 sprintf (buffer, "TYPE(%s)", ts->derived->name);
193 strcpy (buffer, "PROCEDURE");
196 strcpy (buffer, "UNKNOWN");
199 gfc_internal_error ("gfc_typename(): Undefined type");
206 /* Given an mstring array and a code, locate the code in the table,
207 returning a pointer to the string. */
210 gfc_code2string (const mstring *m, int code)
212 while (m->string != NULL)
219 gfc_internal_error ("gfc_code2string(): Bad code");
224 /* Given an mstring array and a string, returns the value of the tag
225 field. Returns the final tag if no matches to the string are found. */
228 gfc_string2code (const mstring *m, const char *string)
230 for (; m->string != NULL; m++)
231 if (strcmp (m->string, string) == 0)
238 /* Convert an intent code to a string. */
239 /* TODO: move to gfortran.h as define. */
242 gfc_intent_string (sym_intent i)
244 return gfc_code2string (intents, i);
248 /***************** Initialization functions ****************/
250 /* Top level initialization. */
256 gfc_scanner_init_1 ();
258 gfc_intrinsic_init_1 ();
262 /* Per program unit initialization. */
267 gfc_symbol_init_2 ();
268 gfc_module_init_2 ();
272 /******************* Destructor functions ******************/
274 /* Call all of the top level destructors. */
279 gfc_scanner_done_1 ();
280 gfc_intrinsic_done_1 ();
285 /* Per program unit destructors. */
290 gfc_symbol_done_2 ();
291 gfc_module_done_2 ();
295 /* Returns the index into the table of C interoperable kinds where the
296 kind with the given name (c_kind_name) was found. */
299 get_c_kind(const char *c_kind_name, CInteropKind_t kinds_table[])
303 for (index = 0; index < ISOCBINDING_LAST; index++)
304 if (strcmp (kinds_table[index].name, c_kind_name) == 0)
307 return ISOCBINDING_INVALID;