1 /* Miscellaneous stuff that doesn't fit anywhere else.
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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 3, 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 COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
26 /* Get a block of memory. Many callers assume that the memory we
39 gfc_fatal_error ("Out of memory-- malloc() failed");
48 /* The parentheses around free are needed in order to call not
49 the redefined free of gfortran.h. */
55 /* Get terminal width. */
58 gfc_terminal_width (void)
64 /* Initialize a typespec to unknown. */
67 gfc_clear_ts (gfc_typespec *ts)
69 ts->type = BT_UNKNOWN;
75 /* flag that says if the type is C interoperable */
77 /* says what f90 type the C kind interops with */
78 ts->f90_type = BT_UNKNOWN;
79 /* flag that says whether it's from iso_c_binding or not */
84 /* Open a file for reading. */
87 gfc_open_file (const char *name)
94 if (stat (name, &statbuf) < 0)
97 if (!S_ISREG (statbuf.st_mode))
100 return fopen (name, "r");
104 /* Return a string for each type. */
107 gfc_basic_typename (bt type)
144 gfc_internal_error ("gfc_basic_typename(): Undefined type");
151 /* Return a string describing the type and kind of a typespec. Because
152 we return alternating buffers, this subroutine can appear twice in
153 the argument list of a single statement. */
156 gfc_typename (gfc_typespec *ts)
158 static char buffer1[GFC_MAX_SYMBOL_LEN + 7]; /* 7 for "TYPE()" + '\0'. */
159 static char buffer2[GFC_MAX_SYMBOL_LEN + 7];
163 buffer = flag ? buffer1 : buffer2;
169 sprintf (buffer, "INTEGER(%d)", ts->kind);
172 sprintf (buffer, "REAL(%d)", ts->kind);
175 sprintf (buffer, "COMPLEX(%d)", ts->kind);
178 sprintf (buffer, "LOGICAL(%d)", ts->kind);
181 sprintf (buffer, "CHARACTER(%d)", ts->kind);
184 sprintf (buffer, "HOLLERITH");
187 sprintf (buffer, "TYPE(%s)", ts->derived->name);
190 strcpy (buffer, "PROCEDURE");
193 strcpy (buffer, "UNKNOWN");
196 gfc_internal_error ("gfc_typename(): Undefined type");
203 /* Given an mstring array and a code, locate the code in the table,
204 returning a pointer to the string. */
207 gfc_code2string (const mstring *m, int code)
209 while (m->string != NULL)
216 gfc_internal_error ("gfc_code2string(): Bad code");
221 /* Given an mstring array and a string, returns the value of the tag
222 field. Returns the final tag if no matches to the string are found. */
225 gfc_string2code (const mstring *m, const char *string)
227 for (; m->string != NULL; m++)
228 if (strcmp (m->string, string) == 0)
235 /* Convert an intent code to a string. */
236 /* TODO: move to gfortran.h as define. */
239 gfc_intent_string (sym_intent i)
241 return gfc_code2string (intents, i);
245 /***************** Initialization functions ****************/
247 /* Top level initialization. */
253 gfc_scanner_init_1 ();
255 gfc_intrinsic_init_1 ();
259 /* Per program unit initialization. */
264 gfc_symbol_init_2 ();
265 gfc_module_init_2 ();
269 /******************* Destructor functions ******************/
271 /* Call all of the top level destructors. */
276 gfc_scanner_done_1 ();
277 gfc_intrinsic_done_1 ();
282 /* Per program unit destructors. */
287 gfc_symbol_done_2 ();
288 gfc_module_done_2 ();
292 /* Returns the index into the table of C interoperable kinds where the
293 kind with the given name (c_kind_name) was found. */
296 get_c_kind(const char *c_kind_name, CInteropKind_t kinds_table[])
300 for (index = 0; index < ISOCBINDING_LAST; index++)
301 if (strcmp (kinds_table[index].name, c_kind_name) == 0)
304 return ISOCBINDING_INVALID;