1 /* Language-specific hook definitions for CHILL front end.
2 Copyright (C) 1992, 93, 1994, 1998 Free Software Foundation, Inc.
4 This file is part of GNU CC.
6 GNU CC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU CC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU CC; see the file COPYING. If not, write to
18 the Free Software Foundation, 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
30 /* Type node for boolean types. */
32 tree boolean_type_node;
34 /* True if STRING(INDEX) yields a CHARS(1) (or BOOLS(1)) rather than
35 a CHAR (or BOOL). Also, makes CHARS(1) similar for CHAR,
36 and BOOLS(1) similar to BOOL. This is for compatibility
37 for the 1984 version of Z.200.*/
38 int flag_old_strings = 0;
40 /* This is set non-zero to force user input tokens to lower case.
41 This is non-standard. See Z.200, page 8. */
44 /* True if reserved and predefined words ('special' words in the Z.200
45 terminology) are in uppercase. Obviously, this had better not be
46 true if we're ignoring input case. */
49 /* The actual name of the input file, regardless of any #line directives */
50 char* chill_real_input_filename;
53 extern int maximum_field_alignment;
55 static int deep_const_expr PROTO ((tree));
56 static void chill_print_error_function PROTO ((const char *));
58 /* return 1 if the expression tree given has all
59 constant nodes as its leaves; return 0 otherwise. */
64 enum chill_tree_code code;
71 code = TREE_CODE (exp);
72 length = tree_code_length[(int) code];
74 /* constant leaf? return TRUE */
75 if (TREE_CODE_CLASS (code) == 'c')
78 /* recursively check next level down */
79 for (i = 0; i < length; i++)
80 if (! deep_const_expr (TREE_OPERAND (exp, i)))
90 if (TREE_CODE (exp) == INTEGER_CST)
92 if (TREE_CODE (exp) == CONST_DECL)
93 return const_expr (DECL_INITIAL (exp));
94 if (TREE_CODE_CLASS (TREE_CODE (exp)) == 'd'
95 && DECL_INITIAL (exp) != NULL_TREE
96 && TREE_READONLY (exp))
97 return DECL_INITIAL (exp);
98 if (deep_const_expr (exp))
100 if (TREE_CODE (exp) != ERROR_MARK)
101 error ("non-constant expression");
102 return error_mark_node;
105 /* Each of the functions defined here
106 is an alternative to a function in objc-actions.c. */
108 /* Used by c-lex.c, but only for objc. */
110 lookup_interface (arg)
111 tree arg ATTRIBUTE_UNUSED;
117 maybe_objc_comptypes (lhs, rhs)
118 tree lhs ATTRIBUTE_UNUSED, rhs ATTRIBUTE_UNUSED;
124 maybe_building_objc_message_expr ()
130 recognize_objc_keyword ()
140 /* used by print-tree.c */
143 lang_print_xnode (file, node, indent)
144 FILE *file ATTRIBUTE_UNUSED;
145 tree node ATTRIBUTE_UNUSED;
146 int indent ATTRIBUTE_UNUSED;
153 fatal ("GCC does not yet support XREF");
159 fatal ("GCC does not yet support XREF");
163 * process chill-specific compiler command-line options
166 lang_decode_option (argc, argv)
171 static int explicit_ignore_case = 0;
172 if (!strcmp(p, "-lang-chill"))
174 else if (!strcmp (p, "-fruntime-checking"))
179 else if (!strcmp (p, "-fno-runtime-checking"))
183 runtime_checking_flag = 0;
185 else if (!strcmp (p, "-flocal-loop-counter"))
186 flag_local_loop_counter = 1;
187 else if (!strcmp (p, "-fno-local-loop-counter"))
188 flag_local_loop_counter = 0;
189 else if (!strcmp (p, "-fold-strings"))
190 flag_old_strings = 1;
191 else if (!strcmp (p, "-fno-old-strings"))
192 flag_old_strings = 0;
193 else if (!strcmp (p, "-fignore-case"))
195 explicit_ignore_case = 1;
198 error ("Ignoring case upon input and");
199 error ("making special words uppercase wouldn't work.");
204 else if (!strcmp (p, "-fno-ignore-case"))
206 else if (!strcmp (p, "-fspecial_UC"))
208 if (explicit_ignore_case)
210 error ("Making special words uppercase and");
211 error (" ignoring case upon input wouldn't work.");
214 special_UC = 1, ignore_case = 0;
216 else if (!strcmp (p, "-fspecial_LC"))
218 else if (!strcmp (p, "-fpack"))
219 maximum_field_alignment = BITS_PER_UNIT;
220 else if (!strcmp (p, "-fno-pack"))
221 maximum_field_alignment = 0;
222 else if (!strcmp (p, "-fchill-grant-only"))
224 else if (!strcmp (p, "-fgrant-only"))
226 /* user has specified a seize-file path */
227 else if (p[0] == '-' && p[1] == 'I')
228 register_seize_path (&p[2]);
229 if (!strcmp(p, "-itu")) /* Force Z.200 semantics */
231 pedantic = 1; /* FIXME: new flag name? */
232 flag_local_loop_counter = 1;
235 return c_decode_option (argc, argv);
241 chill_print_error_function (file)
244 static tree last_error_function = NULL_TREE;
245 static struct module *last_error_module = NULL;
247 if (last_error_function == current_function_decl
248 && last_error_module == current_module)
251 last_error_function = current_function_decl;
252 last_error_module = current_module;
255 fprintf (stderr, "%s: ", file);
257 if (current_function_decl == global_function_decl
258 || current_function_decl == NULL_TREE)
260 if (current_module == NULL)
261 fprintf (stderr, "At top level:\n");
263 fprintf (stderr, "In module %s:\n",
264 IDENTIFIER_POINTER (current_module->name));
268 char *kind = "function";
269 char *name = (*decl_printable_name) (current_function_decl, 2);
270 fprintf (stderr, "In %s `%s':\n", kind, name);
274 /* Print an error message for invalid use of an incomplete type.
275 VALUE is the expression that was used (or 0 if that isn't known)
276 and TYPE is the type that was invalid. */
279 incomplete_type_error (value, type)
280 tree value ATTRIBUTE_UNUSED;
281 tree type ATTRIBUTE_UNUSED;
283 error ("internal error - use of undefined type");
289 chill_real_input_filename = input_filename;
291 /* the beginning of the file is a new line; check for # */
292 /* With luck, we discover the real source file's name from that
293 and put it in input_filename. */
295 ungetc (check_newline (), finput);
297 /* set default grant file */
298 set_default_grant_file ();
300 print_error_function = chill_print_error_function;