[deliverable/binutils-gdb.git] / binutils / mcparse.y

%{ /* mcparse.y -- parser for Windows mc files
  Copyright 2007
  Free Software Foundation, Inc.
  
  Parser for Windows mc files
  Written by Kai Tietz, Onevision.
  
  This file is part of GNU Binutils.
  
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 3 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
  02110-1301, USA.  */

/* This is a parser for Windows rc files.  It is based on the parser
   by Gunther Ebert <gunther.ebert@ixos-leipzig.de>.  */

#include "sysdep.h"
#include "bfd.h"
#include "bucomm.h"
#include "libiberty.h"
#include "windmc.h"
#include "safe-ctype.h"

static rc_uint_type mc_last_id = 0;
static rc_uint_type mc_sefa_val = 0;
static unichar *mc_last_symbol = NULL;
static const mc_keyword *mc_cur_severity = NULL;
static const mc_keyword *mc_cur_facility = NULL;
static mc_node *cur_node = NULL;

%}

%union
{
  rc_uint_type ival;
  unichar *ustr;
  const mc_keyword *tok;
  mc_node *nod;
};

%start input

%token NL
%token<ustr> MCIDENT MCFILENAME MCLINE MCCOMMENT
%token<tok> MCTOKEN
%token MCENDLINE
%token MCLANGUAGENAMES MCFACILITYNAMES MCSEVERITYNAMES MCOUTPUTBASE MCMESSAGEIDTYPEDEF
%token MCLANGUAGE MCMESSAGEID MCSEVERITY MCFACILITY MCSYMBOLICNAME
%token <ival> MCNUMBER

%type<ival> id vid sefasy_def
%type<ustr> alias_name token lines comments
%type<tok> lang

%%
input:	  entities
	;

entities:
	  /* empty */
	| entities entity
	;
entity:	  global_section
	| message
	| comments
	  {
	    cur_node = mc_add_node ();
	    cur_node->user_text = $1;
	  }
	| error	{ mc_fatal ("syntax error"); }
;

global_section:
	  MCSEVERITYNAMES '=' '(' severitymaps ')'
	| MCSEVERITYNAMES '=' '(' severitymaps error { mc_fatal ("missing ')' in SeverityNames"); }
	| MCSEVERITYNAMES '=' error { mc_fatal ("missing '(' in SeverityNames"); }
	| MCSEVERITYNAMES error { mc_fatal ("missing '=' for SeverityNames"); }
	| MCLANGUAGENAMES '=' '(' langmaps ')'
	| MCLANGUAGENAMES '=' '(' langmaps error { mc_fatal ("missing ')' in LanguageNames"); }
	| MCLANGUAGENAMES '=' error { mc_fatal ("missing '(' in LanguageNames"); }
	| MCLANGUAGENAMES error { mc_fatal ("missing '=' for LanguageNames"); }
	| MCFACILITYNAMES '=' '(' facilitymaps ')'
	| MCFACILITYNAMES '=' '(' facilitymaps error { mc_fatal ("missing ')' in FacilityNames"); }
	| MCFACILITYNAMES '=' error { mc_fatal ("missing '(' in FacilityNames"); }
	| MCFACILITYNAMES error { mc_fatal ("missing '=' for FacilityNames"); }
	| MCOUTPUTBASE '=' MCNUMBER
	  {
	    if ($3 != 10 && $3 != 16)
	      mc_fatal ("OutputBase allows 10 or 16 as value");
	    mcset_out_values_are_decimal = ($3 == 10 ? 1 : 0);
	  }
	| MCMESSAGEIDTYPEDEF '=' MCIDENT
	  {
	    mcset_msg_id_typedef = $3;
	  }
	| MCMESSAGEIDTYPEDEF '=' error
	  {
	    mc_fatal ("MessageIdTypedef expects an identifier");
	  }
	| MCMESSAGEIDTYPEDEF error
	  {
	    mc_fatal ("missing '=' for MessageIdTypedef");
	  }
;

severitymaps:
	  severitymap
	| severitymaps severitymap
	| error { mc_fatal ("severity ident missing"); }
;

severitymap:
	  token '=' MCNUMBER alias_name
	  {
	    mc_add_keyword ($1, MCTOKEN, "severity", $3, $4);
	  }
	| token '=' error { mc_fatal ("severity number missing"); }
	| token error { mc_fatal ("severity missing '='"); }
;

facilitymaps:
	  facilitymap
	| facilitymaps facilitymap
	| error { mc_fatal ("missing ident in FacilityNames"); }
;

facilitymap:
	  token '=' MCNUMBER alias_name
	  {
	    mc_add_keyword ($1, MCTOKEN, "facility", $3, $4);
	  }
	| token '=' error { mc_fatal ("facility number missing"); }
	| token error { mc_fatal ("facility missing '='"); }
;

langmaps:
	  langmap
	| langmaps langmap
	| error { mc_fatal ("missing ident in LanguageNames"); }
;

langmap:
	  token '=' MCNUMBER lex_want_filename ':' MCFILENAME
	  {
	    mc_add_keyword ($1, MCTOKEN, "language", $3, $6);
	  }
	| token '=' MCNUMBER lex_want_filename ':' error { mc_fatal ("missing filename in LanguageNames"); }
	| token '=' MCNUMBER error { mc_fatal ("missing ':' in LanguageNames"); }
	| token '=' error { mc_fatal ("missing language code in LanguageNames"); }
	| token error { mc_fatal ("missing '=' for LanguageNames"); }
;

alias_name:
	  /* empty */
	  {
	    $$ = NULL;
	  }
	| ':' MCIDENT
	  {
	    $$ = $2;
	  }
	| ':' error { mc_fatal ("illegal token in identifier"); $$ = NULL; }
;

message:
	  id sefasy_def
	  {
	    cur_node = mc_add_node ();
	    cur_node->symbol = mc_last_symbol;
	    cur_node->facility = mc_cur_facility;
	    cur_node->severity = mc_cur_severity;
	    cur_node->id = ($1 & 0xffffUL);
	    cur_node->vid = ($1 & 0xffffUL) | mc_sefa_val;
	    mc_last_id = $1;
	  }
	  lang_entities
;

id:	  MCMESSAGEID '=' vid { $$ = $3; }
	| MCMESSAGEID '=' error { mc_fatal ("missing number in MessageId"); $$ = 0; }
	| MCMESSAGEID error { mc_fatal ("missing '=' for MessageId"); $$ = 0; }
;

vid:	  /* empty */
	  {
	    $$ = ++mc_last_id;
	  }
	| MCNUMBER
	  {
	    $$ = $1;
	  }
	| '+' MCNUMBER
	  {
	    $$ = mc_last_id + $2;
	  }
	| '+' error { mc_fatal ("missing number after MessageId '+'"); }
;

sefasy_def:
	  /* empty */
	  {
	    $$ = 0;
	    mc_sefa_val = (mcset_custom_bit ? 1 : 0) << 29;
	    mc_last_symbol = NULL;
	    mc_cur_severity = NULL;
	    mc_cur_facility = NULL;
	  }
	| sefasy_def severity
	  {
	    if ($1 & 1)
	      mc_warn (_("duplicate definition of Severity"));
	    $$ = $1 | 1;
	  }
	| sefasy_def facility
	  {
	    if ($1 & 2)
	      mc_warn (_("duplicate definition of Facility"));
	    $$ = $1 | 2;
	  }
	| sefasy_def symbol
	  {
	    if ($1 & 4)
	      mc_warn (_("duplicate definition of SymbolicName"));
	    $$ = $1 | 4;
	  }
;

severity: MCSEVERITY '=' MCTOKEN
	  {
	    mc_sefa_val &= ~ (0x3UL << 30);
	    mc_sefa_val |= (($3->nval & 0x3UL) << 30);
	    mc_cur_severity = $3;
	  }
;

facility: MCFACILITY '=' MCTOKEN
	  {
	    mc_sefa_val &= ~ (0xfffUL << 16);
	    mc_sefa_val |= (($3->nval & 0xfffUL) << 16);
	    mc_cur_facility = $3;
	  }
;

symbol: MCSYMBOLICNAME '=' MCIDENT
	{
	  mc_last_symbol = $3;
	}
;

lang_entities:
	  lang_entity
	| lang_entities lang_entity
;

lang_entity:
	  lang lex_want_line lines MCENDLINE
	  {
	    mc_node_lang *h;
	    h = mc_add_node_lang (cur_node, $1, cur_node->vid);
	    h->message = $3;
	    if (mcset_max_message_length != 0 && unichar_len (h->message) > mcset_max_message_length)
	      mc_warn ("message length to long");
	  }
;

lines:	  MCLINE
	  {
	    $$ = $1;
	  }
	| lines MCLINE
	  {
	    unichar *h;
	    rc_uint_type l1,l2;
	    l1 = unichar_len ($1);
	    l2 = unichar_len ($2);
	    h = (unichar *) res_alloc ((l1 + l2 + 1) * sizeof (unichar));
	    if (l1) memcpy (h, $1, l1 * sizeof (unichar));
	    if (l2) memcpy (&h[l1], $2, l2 * sizeof (unichar));
	    h[l1 + l2] = 0;
	    $$ = h;
	  }
	| error { mc_fatal ("missing end of message text"); $$ = NULL; }
	| lines error { mc_fatal ("missing end of message text"); $$ = $1; }
;

comments: MCCOMMENT { $$ = $1; }
	| comments MCCOMMENT
	  {
	    unichar *h;
	    rc_uint_type l1,l2;
	    l1 = unichar_len ($1);
	    l2 = unichar_len ($2);
	    h = (unichar *) res_alloc ((l1 + l2 + 1) * sizeof (unichar));
	    if (l1) memcpy (h, $1, l1 * sizeof (unichar));
	    if (l2) memcpy (&h[l1], $2, l2 * sizeof (unichar));
	    h[l1 + l2] = 0;
	    $$ = h;
	  }
;

lang:	  MCLANGUAGE lex_want_nl '=' MCTOKEN NL
	  {
	    $$ = $4;
	  }
	| MCLANGUAGE lex_want_nl '=' MCIDENT NL
	  {
	    $$ = NULL;
	    mc_fatal (_("undeclared language identifier"));
	  }
	| MCLANGUAGE lex_want_nl '=' token error
	  {
	    $$ = NULL;
	    mc_fatal ("missing newline after Language");
	  }
	| MCLANGUAGE lex_want_nl '=' error
	  {
	    $$ = NULL;
	    mc_fatal ("missing ident for Language");
	  }
	| MCLANGUAGE error
	  {
	    $$ = NULL;
	    mc_fatal ("missing '=' for Language");
	  }
;

token: 	MCIDENT { $$ = $1; }
	|  MCTOKEN { $$ = $1->usz; }
;

lex_want_nl:
	  /* Empty */	{ mclex_want_nl = 1; }
;

lex_want_line:
	  /* Empty */	{ mclex_want_line = 1; }
;

lex_want_filename:
	  /* Empty */	{ mclex_want_filename = 1; }
;

%%

/* Something else.  */
Commit	Line	Data
692ed3e7 NC	1	%{ /* mcparse.y -- parser for Windows mc files
	2	Copyright 2007
	3	Free Software Foundation, Inc.
	4
	5	Parser for Windows mc files
	6	Written by Kai Tietz, Onevision.
	7
	8	This file is part of GNU Binutils.
	9
	10	This program is free software; you can redistribute it and/or modify
	11	it under the terms of the GNU General Public License as published by
32866df7	12	the Free Software Foundation; either version 3 of the License, or
692ed3e7 NC	13	(at your option) any later version.
	14
	15	This program is distributed in the hope that it will be useful,
	16	but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	GNU General Public License for more details.
	19
	20	You should have received a copy of the GNU General Public License
	21	along with this program; if not, write to the Free Software
	22	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
	23	02110-1301, USA. */
	24
	25	/* This is a parser for Windows rc files. It is based on the parser
	26	by Gunther Ebert <gunther.ebert@ixos-leipzig.de>. */
	27
	28	#include "sysdep.h"
	29	#include "bfd.h"
	30	#include "bucomm.h"
	31	#include "libiberty.h"
	32	#include "windmc.h"
	33	#include "safe-ctype.h"
	34
	35	static rc_uint_type mc_last_id = 0;
	36	static rc_uint_type mc_sefa_val = 0;
	37	static unichar *mc_last_symbol = NULL;
	38	static const mc_keyword *mc_cur_severity = NULL;
	39	static const mc_keyword *mc_cur_facility = NULL;
	40	static mc_node *cur_node = NULL;
	41
	42	%}
	43
	44	%union
	45	{
	46	rc_uint_type ival;
	47	unichar *ustr;
	48	const mc_keyword *tok;
	49	mc_node *nod;
	50	};
	51
	52	%start input
	53
	54	%token NL
	55	%token<ustr> MCIDENT MCFILENAME MCLINE MCCOMMENT
	56	%token<tok> MCTOKEN
	57	%token MCENDLINE
	58	%token MCLANGUAGENAMES MCFACILITYNAMES MCSEVERITYNAMES MCOUTPUTBASE MCMESSAGEIDTYPEDEF
	59	%token MCLANGUAGE MCMESSAGEID MCSEVERITY MCFACILITY MCSYMBOLICNAME
	60	%token <ival> MCNUMBER
	61
	62	%type<ival> id vid sefasy_def
	63	%type<ustr> alias_name token lines comments
	64	%type<tok> lang
	65
	66	%%
	67	input: entities
	68	;
	69
	70	entities:
	71	/* empty */
	72	\| entities entity
	73	;
	74	entity: global_section
	75	\| message
	76	\| comments
77	{
78	cur_node = mc_add_node ();
79	cur_node->user_text = $1;
80	}
81	\| error { mc_fatal ("syntax error"); }
82	;
83
84	global_section:
85	MCSEVERITYNAMES '=' '(' severitymaps ')'
86	\| MCSEVERITYNAMES '=' '(' severitymaps error { mc_fatal ("missing ')' in SeverityNames"); }
87	\| MCSEVERITYNAMES '=' error { mc_fatal ("missing '(' in SeverityNames"); }
88	\| MCSEVERITYNAMES error { mc_fatal ("missing '=' for SeverityNames"); }
89	\| MCLANGUAGENAMES '=' '(' langmaps ')'
90	\| MCLANGUAGENAMES '=' '(' langmaps error { mc_fatal ("missing ')' in LanguageNames"); }
91	\| MCLANGUAGENAMES '=' error { mc_fatal ("missing '(' in LanguageNames"); }
92	\| MCLANGUAGENAMES error { mc_fatal ("missing '=' for LanguageNames"); }
93	\| MCFACILITYNAMES '=' '(' facilitymaps ')'
94	\| MCFACILITYNAMES '=' '(' facilitymaps error { mc_fatal ("missing ')' in FacilityNames"); }
95	\| MCFACILITYNAMES '=' error { mc_fatal ("missing '(' in FacilityNames"); }
96	\| MCFACILITYNAMES error { mc_fatal ("missing '=' for FacilityNames"); }
97	\| MCOUTPUTBASE '=' MCNUMBER
98	{
99	if ($3 != 10 && $3 != 16)
100	mc_fatal ("OutputBase allows 10 or 16 as value");
101	mcset_out_values_are_decimal = ($3 == 10 ? 1 : 0);
102	}
103	\| MCMESSAGEIDTYPEDEF '=' MCIDENT
104	{
105	mcset_msg_id_typedef = $3;
106	}
107	\| MCMESSAGEIDTYPEDEF '=' error
108	{
109	mc_fatal ("MessageIdTypedef expects an identifier");
110	}
111	\| MCMESSAGEIDTYPEDEF error
112	{
113	mc_fatal ("missing '=' for MessageIdTypedef");
114	}
115	;
116
117	severitymaps:
118	severitymap
119	\| severitymaps severitymap
120	\| error { mc_fatal ("severity ident missing"); }
121	;
122
123	severitymap:
124	token '=' MCNUMBER alias_name
125	{
126	mc_add_keyword ($1, MCTOKEN, "severity", $3, $4);
127	}
128	\| token '=' error { mc_fatal ("severity number missing"); }
129	\| token error { mc_fatal ("severity missing '='"); }
130	;
131
132	facilitymaps:
133	facilitymap
134	\| facilitymaps facilitymap
135	\| error { mc_fatal ("missing ident in FacilityNames"); }
136	;
137
138	facilitymap:
139	token '=' MCNUMBER alias_name
140	{
141	mc_add_keyword ($1, MCTOKEN, "facility", $3, $4);
142	}
143	\| token '=' error { mc_fatal ("facility number missing"); }
144	\| token error { mc_fatal ("facility missing '='"); }
145	;
146
147	langmaps:
148	langmap
149	\| langmaps langmap
150	\| error { mc_fatal ("missing ident in LanguageNames"); }
151	;
152
153	langmap:
154	token '=' MCNUMBER lex_want_filename ':' MCFILENAME
155	{
156	mc_add_keyword ($1, MCTOKEN, "language", $3, $6);
157	}
158	\| token '=' MCNUMBER lex_want_filename ':' error { mc_fatal ("missing filename in LanguageNames"); }
159	\| token '=' MCNUMBER error { mc_fatal ("missing ':' in LanguageNames"); }
160	\| token '=' error { mc_fatal ("missing language code in LanguageNames"); }
161	\| token error { mc_fatal ("missing '=' for LanguageNames"); }
162	;
163
164	alias_name:
165	/* empty */
166	{
167	$$ = NULL;
168	}
169	\| ':' MCIDENT
170	{
171	$$ = $2;
172	}
173	\| ':' error { mc_fatal ("illegal token in identifier"); $$ = NULL; }
174	;
175
176	message:
177	id sefasy_def
178	{
179	cur_node = mc_add_node ();
180	cur_node->symbol = mc_last_symbol;
181	cur_node->facility = mc_cur_facility;
182	cur_node->severity = mc_cur_severity;
183	cur_node->id = ($1 & 0xffffUL);
184	cur_node->vid = ($1 & 0xffffUL) \| mc_sefa_val;
185	mc_last_id = $1;
186	}
187	lang_entities
188	;
189
190	id: MCMESSAGEID '=' vid { $$ = $3; }
191	\| MCMESSAGEID '=' error { mc_fatal ("missing number in MessageId"); $$ = 0; }
192	\| MCMESSAGEID error { mc_fatal ("missing '=' for MessageId"); $$ = 0; }
193	;
194
195	vid: /* empty */
196	{
197	$$ = ++mc_last_id;
198	}
199	\| MCNUMBER
200	{
201	$$ = $1;
202	}
203	\| '+' MCNUMBER
204	{
205	$$ = mc_last_id + $2;
206	}
207	\| '+' error { mc_fatal ("missing number after MessageId '+'"); }
208	;
209
210	sefasy_def:
211	/* empty */
212	{
213	$$ = 0;
214	mc_sefa_val = (mcset_custom_bit ? 1 : 0) << 29;
215	mc_last_symbol = NULL;
216	mc_cur_severity = NULL;
217	mc_cur_facility = NULL;
218	}
219	\| sefasy_def severity
220	{
221	if ($1 & 1)
222	mc_warn (_("duplicate definition of Severity"));
223	$$ = $1 \| 1;
224	}
225	\| sefasy_def facility
226	{
227	if ($1 & 2)
228	mc_warn (_("duplicate definition of Facility"));
229	$$ = $1 \| 2;
230	}
231	\| sefasy_def symbol
232	{
233	if ($1 & 4)
234	mc_warn (_("duplicate definition of SymbolicName"));
235	$$ = $1 \| 4;
236	}
237	;
238
239	severity: MCSEVERITY '=' MCTOKEN
240	{
241	mc_sefa_val &= ~ (0x3UL << 30);
242	mc_sefa_val \|= (($3->nval & 0x3UL) << 30);
243	mc_cur_severity = $3;
244	}
245	;
246
247	facility: MCFACILITY '=' MCTOKEN
248	{
249	mc_sefa_val &= ~ (0xfffUL << 16);
250	mc_sefa_val \|= (($3->nval & 0xfffUL) << 16);
251	mc_cur_facility = $3;
252	}
253	;
254
255	symbol: MCSYMBOLICNAME '=' MCIDENT
256	{
257	mc_last_symbol = $3;
258	}
259	;
260
261	lang_entities:
262	lang_entity
263	\| lang_entities lang_entity
264	;
265
266	lang_entity:
267	lang lex_want_line lines MCENDLINE
268	{
269	mc_node_lang *h;
270	h = mc_add_node_lang (cur_node, $1, cur_node->vid);
271	h->message = $3;
272	if (mcset_max_message_length != 0 && unichar_len (h->message) > mcset_max_message_length)
273	mc_warn ("message length to long");
274	}
275	;
276
277	lines: MCLINE
278	{
279	$$ = $1;
280	}
281	\| lines MCLINE
282	{
283	unichar *h;
284	rc_uint_type l1,l2;
285	l1 = unichar_len ($1);
286	l2 = unichar_len ($2);
287	h = (unichar ) res_alloc ((l1 + l2 + 1) sizeof (unichar));
288	if (l1) memcpy (h, $1, l1 * sizeof (unichar));
289	if (l2) memcpy (&h[l1], $2, l2 * sizeof (unichar));
290	h[l1 + l2] = 0;
291	$$ = h;
292	}
293	\| error { mc_fatal ("missing end of message text"); $$ = NULL; }
294	\| lines error { mc_fatal ("missing end of message text"); $$ = $1; }
295	;
296
297	comments: MCCOMMENT { $$ = $1; }
298	\| comments MCCOMMENT
299	{
300	unichar *h;
301	rc_uint_type l1,l2;
302	l1 = unichar_len ($1);
303	l2 = unichar_len ($2);
304	h = (unichar ) res_alloc ((l1 + l2 + 1) sizeof (unichar));
305	if (l1) memcpy (h, $1, l1 * sizeof (unichar));
306	if (l2) memcpy (&h[l1], $2, l2 * sizeof (unichar));
307	h[l1 + l2] = 0;
308	$$ = h;
309	}
310	;
311
312	lang: MCLANGUAGE lex_want_nl '=' MCTOKEN NL
313	{
314	$$ = $4;
315	}
316	\| MCLANGUAGE lex_want_nl '=' MCIDENT NL
317	{
318	$$ = NULL;
319	mc_fatal (_("undeclared language identifier"));
320	}
321	\| MCLANGUAGE lex_want_nl '=' token error
322	{
323	$$ = NULL;
324	mc_fatal ("missing newline after Language");
325	}
326	\| MCLANGUAGE lex_want_nl '=' error
327	{
328	$$ = NULL;
329	mc_fatal ("missing ident for Language");
330	}
331	\| MCLANGUAGE error
332	{
333	$$ = NULL;
334	mc_fatal ("missing '=' for Language");
335	}
336	;
337
338	token: MCIDENT { $$ = $1; }
339	\| MCTOKEN { $$ = $1->usz; }
340	;
341
342	lex_want_nl:
343	/* Empty */ { mclex_want_nl = 1; }
344	;
345
346	lex_want_line:
347	/* Empty */ { mclex_want_line = 1; }
348	;
349
350	lex_want_filename:
351	/* Empty */ { mclex_want_filename = 1; }
352	;
353
354	%%
355
356	/* Something else. */