1 /************************************************************
2 * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
4 * Permission to use, copy, modify, and distribute this
5 * software and its documentation for any purpose and without
6 * fee is hereby granted, provided that the above copyright
7 * notice appear in all copies and that both that copyright
8 * notice and this permission notice appear in supporting
9 * documentation, and that the name of Silicon Graphics not be
10 * used in advertising or publicity pertaining to distribution
11 * of the software without specific prior written permission.
12 * Silicon Graphics makes no representation about the suitability
13 * of this software for any purpose. It is provided "as is"
14 * without any express or implied warranty.
16 * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
18 * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
19 * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
20 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
22 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
23 * THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 ********************************************************/
28 * Copyright © 2012 Intel Corporation
29 * Copyright © 2012 Ran Benita <ran234@gmail.com>
31 * Permission is hereby granted, free of charge, to any person obtaining a
32 * copy of this software and associated documentation files (the "Software"),
33 * to deal in the Software without restriction, including without limitation
34 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
35 * and/or sell copies of the Software, and to permit persons to whom the
36 * Software is furnished to do so, subject to the following conditions:
38 * The above copyright notice and this permission notice (including the next
39 * paragraph) shall be included in all copies or substantial portions of the
42 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
43 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
44 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
45 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
46 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
47 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
48 * DEALINGS IN THE SOFTWARE.
50 * Author: Daniel Stone <daniel@fooishbar.org>
51 * Ran Benita <ran234@gmail.com>
54 #include "xkbcomp-priv.h"
55 #include "ast-build.h"
59 AppendStmt(ParseCommon *to, ParseCommon *append)
66 for (iter = to; iter->next; iter = iter->next);
73 ExprCreate(enum expr_op_type op, enum expr_value_type type, size_t size)
75 ExprDef *expr = malloc(size);
79 expr->common.type = STMT_EXPR;
80 expr->common.next = NULL;
82 expr->expr.value_type = type;
88 ExprCreateString(xkb_atom_t str)
90 ExprDef *expr = ExprCreate(EXPR_VALUE, EXPR_TYPE_STRING, sizeof(ExprString));
93 expr->string.str = str;
98 ExprCreateInteger(int ival)
100 ExprDef *expr = ExprCreate(EXPR_VALUE, EXPR_TYPE_INT, sizeof(ExprInteger));
103 expr->integer.ival = ival;
108 ExprCreateFloat(void)
110 ExprDef *expr = ExprCreate(EXPR_VALUE, EXPR_TYPE_FLOAT, sizeof(ExprFloat));
117 ExprCreateBoolean(bool set)
119 ExprDef *expr = ExprCreate(EXPR_VALUE, EXPR_TYPE_BOOLEAN, sizeof(ExprBoolean));
122 expr->boolean.set = set;
127 ExprCreateKeyName(xkb_atom_t key_name)
129 ExprDef *expr = ExprCreate(EXPR_VALUE, EXPR_TYPE_KEYNAME, sizeof(ExprKeyName));
132 expr->key_name.key_name = key_name;
137 ExprCreateIdent(xkb_atom_t ident)
139 ExprDef *expr = ExprCreate(EXPR_IDENT, EXPR_TYPE_UNKNOWN, sizeof(ExprIdent));
142 expr->ident.ident = ident;
147 ExprCreateUnary(enum expr_op_type op, enum expr_value_type type,
150 ExprDef *expr = ExprCreate(op, type, sizeof(ExprUnary));
153 expr->unary.child = child;
158 ExprCreateBinary(enum expr_op_type op, ExprDef *left, ExprDef *right)
160 ExprDef *expr = ExprCreate(op, EXPR_TYPE_UNKNOWN, sizeof(ExprBinary));
164 if (op == EXPR_ASSIGN || left->expr.value_type == EXPR_TYPE_UNKNOWN)
165 expr->expr.value_type = right->expr.value_type;
166 else if (left->expr.value_type == right->expr.value_type ||
167 right->expr.value_type == EXPR_TYPE_UNKNOWN)
168 expr->expr.value_type = left->expr.value_type;
169 expr->binary.left = left;
170 expr->binary.right = right;
176 ExprCreateFieldRef(xkb_atom_t element, xkb_atom_t field)
178 ExprDef *expr = ExprCreate(EXPR_FIELD_REF, EXPR_TYPE_UNKNOWN, sizeof(ExprFieldRef));
181 expr->field_ref.element = element;
182 expr->field_ref.field = field;
187 ExprCreateArrayRef(xkb_atom_t element, xkb_atom_t field, ExprDef *entry)
189 ExprDef *expr = ExprCreate(EXPR_ARRAY_REF, EXPR_TYPE_UNKNOWN, sizeof(ExprArrayRef));
192 expr->array_ref.element = element;
193 expr->array_ref.field = field;
194 expr->array_ref.entry = entry;
199 ExprCreateAction(xkb_atom_t name, ExprDef *args)
201 ExprDef *expr = ExprCreate(EXPR_ACTION_DECL, EXPR_TYPE_UNKNOWN, sizeof(ExprAction));
204 expr->action.name = name;
205 expr->action.args = args;
210 ExprCreateActionList(ExprDef *actions)
212 ExprDef *expr = ExprCreate(EXPR_ACTION_LIST, EXPR_TYPE_ACTIONS, sizeof(ExprActionList));
215 expr->actions.actions = actions;
220 ExprCreateKeysymList(xkb_keysym_t sym)
222 ExprDef *expr = ExprCreate(EXPR_KEYSYM_LIST, EXPR_TYPE_SYMBOLS, sizeof(ExprKeysymList));
226 darray_init(expr->keysym_list.syms);
227 darray_init(expr->keysym_list.symsMapIndex);
228 darray_init(expr->keysym_list.symsNumEntries);
230 darray_append(expr->keysym_list.syms, sym);
231 darray_append(expr->keysym_list.symsMapIndex, 0);
232 darray_append(expr->keysym_list.symsNumEntries, 1);
238 ExprCreateMultiKeysymList(ExprDef *expr)
240 unsigned nLevels = darray_size(expr->keysym_list.symsMapIndex);
242 darray_resize(expr->keysym_list.symsMapIndex, 1);
243 darray_resize(expr->keysym_list.symsNumEntries, 1);
244 darray_item(expr->keysym_list.symsMapIndex, 0) = 0;
245 darray_item(expr->keysym_list.symsNumEntries, 0) = nLevels;
251 ExprAppendKeysymList(ExprDef *expr, xkb_keysym_t sym)
253 unsigned nSyms = darray_size(expr->keysym_list.syms);
255 darray_append(expr->keysym_list.symsMapIndex, nSyms);
256 darray_append(expr->keysym_list.symsNumEntries, 1);
257 darray_append(expr->keysym_list.syms, sym);
263 ExprAppendMultiKeysymList(ExprDef *expr, ExprDef *append)
265 unsigned nSyms = darray_size(expr->keysym_list.syms);
266 unsigned numEntries = darray_size(append->keysym_list.syms);
268 darray_append(expr->keysym_list.symsMapIndex, nSyms);
269 darray_append(expr->keysym_list.symsNumEntries, numEntries);
270 darray_concat(expr->keysym_list.syms, append->keysym_list.syms);
272 FreeStmt((ParseCommon *) append);
278 KeycodeCreate(xkb_atom_t name, int64_t value)
280 KeycodeDef *def = malloc(sizeof(*def));
284 def->common.type = STMT_KEYCODE;
285 def->common.next = NULL;
293 KeyAliasCreate(xkb_atom_t alias, xkb_atom_t real)
295 KeyAliasDef *def = malloc(sizeof(*def));
299 def->common.type = STMT_ALIAS;
300 def->common.next = NULL;
308 VModCreate(xkb_atom_t name, ExprDef *value)
310 VModDef *def = malloc(sizeof(*def));
314 def->common.type = STMT_VMOD;
315 def->common.next = NULL;
323 VarCreate(ExprDef *name, ExprDef *value)
325 VarDef *def = malloc(sizeof(*def));
329 def->common.type = STMT_VAR;
330 def->common.next = NULL;
338 BoolVarCreate(xkb_atom_t ident, bool set)
340 ExprDef *name, *value;
342 if (!(name = ExprCreateIdent(ident))) {
345 if (!(value = ExprCreateBoolean(set))) {
346 FreeStmt((ParseCommon *) name);
349 if (!(def = VarCreate(name, value))) {
350 FreeStmt((ParseCommon *) name);
351 FreeStmt((ParseCommon *) value);
358 InterpCreate(xkb_keysym_t sym, ExprDef *match)
360 InterpDef *def = malloc(sizeof(*def));
364 def->common.type = STMT_INTERP;
365 def->common.next = NULL;
374 KeyTypeCreate(xkb_atom_t name, VarDef *body)
376 KeyTypeDef *def = malloc(sizeof(*def));
380 def->common.type = STMT_TYPE;
381 def->common.next = NULL;
382 def->merge = MERGE_DEFAULT;
390 SymbolsCreate(xkb_atom_t keyName, VarDef *symbols)
392 SymbolsDef *def = malloc(sizeof(*def));
396 def->common.type = STMT_SYMBOLS;
397 def->common.next = NULL;
398 def->merge = MERGE_DEFAULT;
399 def->keyName = keyName;
400 def->symbols = symbols;
406 GroupCompatCreate(unsigned group, ExprDef *val)
408 GroupCompatDef *def = malloc(sizeof(*def));
412 def->common.type = STMT_GROUP_COMPAT;
413 def->common.next = NULL;
414 def->merge = MERGE_DEFAULT;
422 ModMapCreate(xkb_atom_t modifier, ExprDef *keys)
424 ModMapDef *def = malloc(sizeof(*def));
428 def->common.type = STMT_MODMAP;
429 def->common.next = NULL;
430 def->merge = MERGE_DEFAULT;
431 def->modifier = modifier;
438 LedMapCreate(xkb_atom_t name, VarDef *body)
440 LedMapDef *def = malloc(sizeof(*def));
444 def->common.type = STMT_LED_MAP;
445 def->common.next = NULL;
446 def->merge = MERGE_DEFAULT;
454 LedNameCreate(unsigned ndx, ExprDef *name, bool virtual)
456 LedNameDef *def = malloc(sizeof(*def));
460 def->common.type = STMT_LED_NAME;
461 def->common.next = NULL;
462 def->merge = MERGE_DEFAULT;
465 def->virtual = virtual;
471 FreeInclude(IncludeStmt *incl);
474 IncludeCreate(struct xkb_context *ctx, char *str, enum merge_mode merge)
476 IncludeStmt *incl, *first;
477 char *file, *map, *stmt, *tmp, *extra_data;
483 stmt = strdup_safe(str);
486 if (!ParseIncludeMap(&tmp, &file, &map, &nextop, &extra_data))
490 * Given an RMLVO (here layout) like 'us,,fr', the rules parser
491 * will give out something like 'pc+us+:2+fr:3+inet(evdev)'.
492 * We should just skip the ':2' in this case and leave it to the
493 * appropriate section to deal with the empty group.
503 first = incl = malloc(sizeof(*first));
505 incl->next_incl = malloc(sizeof(*first));
506 incl = incl->next_incl;
512 incl->common.type = STMT_INCLUDE;
513 incl->common.next = NULL;
518 incl->modifier = extra_data;
519 incl->next_incl = NULL;
522 merge = MERGE_AUGMENT;
524 merge = MERGE_OVERRIDE;
535 log_err(ctx, "Illegal include statement \"%s\"; Ignored\n", stmt);
542 XkbFileCreate(enum xkb_file_type type, char *name, ParseCommon *defs,
543 enum xkb_map_flags flags)
547 file = calloc(1, sizeof(*file));
551 XkbEscapeMapName(name);
552 file->file_type = type;
553 file->name = name ? name : strdup("(unnamed)");
561 XkbFileFromComponents(struct xkb_context *ctx,
562 const struct xkb_component_names *kkctgs)
564 char *const components[] = {
565 kkctgs->keycodes, kkctgs->types,
566 kkctgs->compat, kkctgs->symbols,
568 enum xkb_file_type type;
569 IncludeStmt *include = NULL;
570 XkbFile *file = NULL;
571 ParseCommon *defs = NULL;
573 for (type = FIRST_KEYMAP_FILE_TYPE; type <= LAST_KEYMAP_FILE_TYPE; type++) {
574 include = IncludeCreate(ctx, components[type], MERGE_DEFAULT);
578 file = XkbFileCreate(type, NULL, (ParseCommon *) include, 0);
580 FreeInclude(include);
584 defs = AppendStmt(defs, &file->common);
587 file = XkbFileCreate(FILE_TYPE_KEYMAP, NULL, defs, 0);
594 FreeXkbFile((XkbFile *) defs);
599 FreeExpr(ExprDef *expr)
604 switch (expr->expr.op) {
606 case EXPR_UNARY_PLUS:
609 FreeStmt((ParseCommon *) expr->unary.child);
617 FreeStmt((ParseCommon *) expr->binary.left);
618 FreeStmt((ParseCommon *) expr->binary.right);
621 case EXPR_ACTION_DECL:
622 FreeStmt((ParseCommon *) expr->action.args);
625 case EXPR_ACTION_LIST:
626 FreeStmt((ParseCommon *) expr->actions.actions);
630 FreeStmt((ParseCommon *) expr->array_ref.entry);
633 case EXPR_KEYSYM_LIST:
634 darray_free(expr->keysym_list.syms);
635 darray_free(expr->keysym_list.symsMapIndex);
636 darray_free(expr->keysym_list.symsNumEntries);
645 FreeInclude(IncludeStmt *incl)
651 next = incl->next_incl;
655 free(incl->modifier);
664 FreeStmt(ParseCommon *stmt)
672 switch (stmt->type) {
674 FreeInclude((IncludeStmt *) stmt);
675 /* stmt is already free'd here. */
679 FreeExpr((ExprDef *) stmt);
682 FreeStmt((ParseCommon *) ((VarDef *) stmt)->name);
683 FreeStmt((ParseCommon *) ((VarDef *) stmt)->value);
686 FreeStmt((ParseCommon *) ((KeyTypeDef *) stmt)->body);
689 FreeStmt((ParseCommon *) ((InterpDef *) stmt)->match);
690 FreeStmt((ParseCommon *) ((InterpDef *) stmt)->def);
693 FreeStmt((ParseCommon *) ((VModDef *) stmt)->value);
696 FreeStmt((ParseCommon *) ((SymbolsDef *) stmt)->symbols);
699 FreeStmt((ParseCommon *) ((ModMapDef *) stmt)->keys);
701 case STMT_GROUP_COMPAT:
702 FreeStmt((ParseCommon *) ((GroupCompatDef *) stmt)->def);
705 FreeStmt((ParseCommon *) ((LedMapDef *) stmt)->body);
708 FreeStmt((ParseCommon *) ((LedNameDef *) stmt)->name);
720 FreeXkbFile(XkbFile *file)
726 next = (XkbFile *) file->common.next;
728 switch (file->file_type) {
729 case FILE_TYPE_KEYMAP:
730 FreeXkbFile((XkbFile *) file->defs);
733 case FILE_TYPE_TYPES:
734 case FILE_TYPE_COMPAT:
735 case FILE_TYPE_SYMBOLS:
736 case FILE_TYPE_KEYCODES:
737 case FILE_TYPE_GEOMETRY:
738 FreeStmt(file->defs);
751 static const char *xkb_file_type_strings[_FILE_TYPE_NUM_ENTRIES] = {
752 [FILE_TYPE_KEYCODES] = "xkb_keycodes",
753 [FILE_TYPE_TYPES] = "xkb_types",
754 [FILE_TYPE_COMPAT] = "xkb_compatibility",
755 [FILE_TYPE_SYMBOLS] = "xkb_symbols",
756 [FILE_TYPE_GEOMETRY] = "xkb_geometry",
757 [FILE_TYPE_KEYMAP] = "xkb_keymap",
758 [FILE_TYPE_RULES] = "rules",
762 xkb_file_type_to_string(enum xkb_file_type type)
764 if (type >= _FILE_TYPE_NUM_ENTRIES)
766 return xkb_file_type_strings[type];
769 static const char *stmt_type_strings[_STMT_NUM_VALUES] = {
770 [STMT_UNKNOWN] = "unknown statement",
771 [STMT_INCLUDE] = "include statement",
772 [STMT_KEYCODE] = "key name definition",
773 [STMT_ALIAS] = "key alias definition",
774 [STMT_EXPR] = "expression",
775 [STMT_VAR] = "variable definition",
776 [STMT_TYPE] = "key type definition",
777 [STMT_INTERP] = "symbol interpretation definition",
778 [STMT_VMOD] = "virtual modifiers definition",
779 [STMT_SYMBOLS] = "key symbols definition",
780 [STMT_MODMAP] = "modifier map declaration",
781 [STMT_GROUP_COMPAT] = "group declaration",
782 [STMT_LED_MAP] = "indicator map declaration",
783 [STMT_LED_NAME] = "indicator name declaration",
787 stmt_type_to_string(enum stmt_type type)
789 if (type >= _STMT_NUM_VALUES)
791 return stmt_type_strings[type];
794 static const char *expr_op_type_strings[_EXPR_NUM_VALUES] = {
795 [EXPR_VALUE] = "literal",
796 [EXPR_IDENT] = "identifier",
797 [EXPR_ACTION_DECL] = "action declaration",
798 [EXPR_FIELD_REF] = "field reference",
799 [EXPR_ARRAY_REF] = "array reference",
800 [EXPR_KEYSYM_LIST] = "list of keysyms",
801 [EXPR_ACTION_LIST] = "list of actions",
802 [EXPR_ADD] = "addition",
803 [EXPR_SUBTRACT] = "subtraction",
804 [EXPR_MULTIPLY] = "multiplication",
805 [EXPR_DIVIDE] = "division",
806 [EXPR_ASSIGN] = "assignment",
807 [EXPR_NOT] = "logical negation",
808 [EXPR_NEGATE] = "arithmetic negation",
809 [EXPR_INVERT] = "bitwise inversion",
810 [EXPR_UNARY_PLUS] = "unary plus",
814 expr_op_type_to_string(enum expr_op_type type)
816 if (type >= _EXPR_NUM_VALUES)
818 return expr_op_type_strings[type];
821 static const char *expr_value_type_strings[_EXPR_TYPE_NUM_VALUES] = {
822 [EXPR_TYPE_UNKNOWN] = "unknown",
823 [EXPR_TYPE_BOOLEAN] = "boolean",
824 [EXPR_TYPE_INT] = "int",
825 [EXPR_TYPE_FLOAT] = "float",
826 [EXPR_TYPE_STRING] = "string",
827 [EXPR_TYPE_ACTION] = "action",
828 [EXPR_TYPE_ACTIONS] = "actions",
829 [EXPR_TYPE_KEYNAME] = "keyname",
830 [EXPR_TYPE_SYMBOLS] = "symbols",
834 expr_value_type_to_string(enum expr_value_type type)
836 if (type >= _EXPR_TYPE_NUM_VALUES)
838 return expr_value_type_strings[type];