[deliverable/binutils-gdb.git] / sim / ppc / lf.c

/*  This file is part of the program psim.

    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>

    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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
    */


#include <stdio.h>
#include <stdarg.h>
#include <ctype.h>

#include "config.h"
#include "misc.h"
#include "lf.h"

#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif

#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif

struct _lf {
  FILE *stream;
  int line_nr; /* nr complete lines written, curr line is line_nr+1 */
  int indent;
  int line_blank;
  const char *name;
  const char *program;
  lf_file_references references;
  lf_file_type type;
};


lf *
lf_open(char *name,
	char *real_name,
	lf_file_references references,
	lf_file_type type,
	const char *program)
{
  /* create a file object */
  lf *new_lf = ZALLOC(lf);
  ASSERT(new_lf != NULL);
  new_lf->references = references;
  new_lf->type = type;
  new_lf->name = (real_name == NULL ? name : real_name);
  new_lf->program = program;
  /* attach to stdout if pipe */
  if (!strcmp(name, "-")) {
    new_lf->stream = stdout;
  }
  else {
    /* create a new file */
    new_lf->stream = fopen(name, "w");
    if (new_lf->stream == NULL) {
      perror(name);
      exit(1);
    }
  }
  return new_lf;
}


void
lf_close(lf *file)
{
  if (file->stream != stdout) {
    if (fclose(file->stream)) {
      perror("lf_close.fclose");
      exit(1);
    }
    free(file);
  }
}


int
lf_putchr(lf *file,
	  const char chr)
{
  int nr = 0;
  if (chr == '\n') {
    file->line_nr += 1;
    file->line_blank = 1;
  }
  else if (file->line_blank) {
    int pad;
    for (pad = file->indent; pad > 0; pad--)
      putc(' ', file->stream);
    nr += file->indent;
    file->line_blank = 0;
  }
  putc(chr, file->stream);
  nr += 1;
  return nr;
}

void
lf_indent_suppress(lf *file)
{
  file->line_blank = 0;
}


int
lf_putstr(lf *file,
	  const char *string)
{
  int nr = 0;
  const char *chp;
  if (string != NULL) {
    for (chp = string; *chp != '\0'; chp++) {
      nr += lf_putchr(file, *chp);
    }
  }
  return nr;
}

static int
do_lf_putunsigned(lf *file,
	      unsigned u)
{
  int nr = 0;
  if (u > 0) {
    nr += do_lf_putunsigned(file, u / 10);
    nr += lf_putchr(file, (u % 10) + '0');
  }
  return nr;
}


int
lf_putint(lf *file,
	  int decimal)
{
  int nr = 0;
  if (decimal == 0)
    nr += lf_putchr(file, '0');
  else if (decimal < 0) {
    nr += lf_putchr(file, '-');
    nr += do_lf_putunsigned(file, -decimal);
  }
  else if (decimal > 0) {
    nr += do_lf_putunsigned(file, decimal);
  }
  else
    ASSERT(0);
  return nr;
}


int
lf_printf(lf *file,
	  const char *fmt,
	  ...)
{
  int nr = 0;
  char buf[1024];
  va_list ap;

  va_start(ap, fmt);
  vsprintf(buf, fmt, ap);
  /* FIXME - this is really stuffed but so is vsprintf() on a sun! */
  ASSERT(strlen(buf) > 0 && strlen(buf) < sizeof(buf));
  nr += lf_putstr(file, buf);
  va_end(ap);
  return nr;
}


int
lf_print__c_code(lf *file,
		 const char *code)
{
  int nr = 0;
  const char *chp = code;
  int in_bit_field = 0;
  while (*chp != '\0') {
    if (*chp == '\t')
      chp++;
    if (*chp == '#')
      lf_indent_suppress(file);
    while (*chp != '\0' && *chp != '\n') {
      if (chp[0] == '{' && !isspace(chp[1])) {
	in_bit_field = 1;
	nr += lf_putchr(file, '_');
      }
      else if (in_bit_field && chp[0] == ':') {
	nr += lf_putchr(file, '_');
      }
      else if (in_bit_field && *chp == '}') {
	nr += lf_putchr(file, '_');
	in_bit_field = 0;
      }
      else {
	nr += lf_putchr(file, *chp);
      }
      chp++;
    }
    if (in_bit_field)
      error("bit field paren miss match some where\n");
    if (*chp == '\n') {
      nr += lf_putchr(file, '\n');
      chp++;
    }
  }
  nr += lf_putchr(file, '\n');
  return nr;
}


int
lf_print__external_reference(lf *file,
			     int line_nr,
			     const char *file_name)
{
  int nr = 0;
  switch (file->references) {
  case lf_include_references:
    lf_indent_suppress(file);
    nr += lf_putstr(file, "#line ");
    nr += lf_putint(file, line_nr);
    nr += lf_putstr(file, " \"");
    nr += lf_putstr(file, file_name);
    nr += lf_putstr(file, "\"\n");
    break;
  case lf_omit_references:
    break;
  }
  return nr;
}

int
lf_print__internal_reference(lf *file)
{
  int nr = 0;
  nr += lf_print__external_reference(file, file->line_nr+2, file->name);
  /* line_nr == last_line, want to number from next */
  return nr;
}

void
lf_indent(lf *file, int delta)
{
  file->indent += delta;
}


int
lf_print__gnu_copyleft(lf *file)
{
  int nr = 0;
  switch (file->type) {
  case lf_is_c:
  case lf_is_h:
    nr += lf_printf(file, "\
/*  This file is part of the program psim.

    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>

    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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
    --

    This file was generated by the program %s */
", filter_filename(file->program));
    break;
  default:
    ASSERT(0);
    break;
  }
  return nr;
}


int
lf_putbin(lf *file, int decimal, int width)
{
  int nr = 0;
  int bit;
  ASSERT(width > 0);
  for (bit = 1 << (width-1); bit != 0; bit >>= 1) {
    if (decimal & bit)
      nr += lf_putchr(file, '1');
    else
      nr += lf_putchr(file, '0');
  }
  return nr;
}

int
lf_print__this_file_is_empty(lf *file)
{
  int nr = 0;
  switch (file->type) {
  case lf_is_c:
  case lf_is_h:
    nr += lf_printf(file,
		    "/* This generated file (%s) is intentionally left blank */\n",
		    file->name);
    break;
  default:
    ASSERT(0);
  }
  return nr;
}

int
lf_print__ucase_filename(lf *file)
{
  int nr = 0;
  const char *chp = file->name;
  while (*chp != '\0') {
    char ch = *chp;
    if (islower(ch)) {
      nr += lf_putchr(file, toupper(ch));
    }
    else if (ch == '.')
      nr += lf_putchr(file, '_');
    else
      nr += lf_putchr(file, ch);
    chp++;
  }
  return nr;
}

int
lf_print__file_start(lf *file)
{
  int nr = 0;
  switch (file->type) {
  case lf_is_h:
  case lf_is_c:
    nr += lf_print__gnu_copyleft(file);
    nr += lf_printf(file, "\n");
    nr += lf_printf(file, "#ifndef _");
    nr += lf_print__ucase_filename(file);
    nr += lf_printf(file, "_\n");
    nr += lf_printf(file, "#define _");
    nr += lf_print__ucase_filename(file);
    nr += lf_printf(file, "_\n");
    nr += lf_printf(file, "\n");
    break;
  default:
    ASSERT(0);
  }
  return nr;
}


int
lf_print__file_finish(lf *file)
{
  int nr = 0;
  switch (file->type) {
  case lf_is_h:
  case lf_is_c:
    nr += lf_printf(file, "\n");
    nr += lf_printf(file, "#endif /* _");
    nr += lf_print__ucase_filename(file);
    nr += lf_printf(file, "_*/\n");
    break;
  default:
    ASSERT(0);
  }
  return nr;
}


int
lf_print_function_type(lf *file,
		       const char *type,
		       const char *prefix,
		       const char *trailing_space)
{
  int nr = 0;
  nr += lf_printf(file, "%s\\\n(%s)", prefix, type);
  if (trailing_space != NULL)
    nr += lf_printf(file, "%s", trailing_space);
#if 0
  const char *type_pointer = strrchr(type, '*');
  int type_pointer_offset = (type_pointer != NULL
			     ? type_pointer - type
			     : 0);
  if (type_pointer == NULL) {
    lf_printf(file, "%s %s", type, prefix);
  }
  else {
    char *munged_type = (char*)zalloc(strlen(type)
				      + strlen(prefix)
				      + strlen(" * ")
				      + 1);
    strcpy(munged_type, type);
    munged_type[type_pointer_offset] = '\0';
    if (type_pointer_offset > 0 && type[type_pointer_offset-1] != ' ')
      strcat(munged_type, " ");
    strcat(munged_type, prefix);
    strcat(munged_type, " ");
    strcat(munged_type, type + type_pointer_offset);
    lf_printf(file, "%s", munged_type);
    free(munged_type);
  }
  if (trailing_space != NULL && type_pointer_offset < strlen(type) - 1)
    lf_printf(file, trailing_space);
#endif
  return nr;
}
Commit	Line	Data
c906108c SS	1	/* This file is part of the program psim.
	2
	3	Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 2 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program; if not, write to the Free Software
	17	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	18
	19	*/
	20
	21
	22	#include <stdio.h>
	23	#include <stdarg.h>
	24	#include <ctype.h>
	25
	26	#include "config.h"
	27	#include "misc.h"
	28	#include "lf.h"
	29
	30	#ifdef HAVE_STDLIB_H
	31	#include <stdlib.h>
	32	#endif
	33
	34	#ifdef HAVE_STRING_H
	35	#include <string.h>
	36	#else
	37	#ifdef HAVE_STRINGS_H
	38	#include <strings.h>
	39	#endif
	40	#endif
	41
	42	struct _lf {
	43	FILE *stream;
	44	int line_nr; /* nr complete lines written, curr line is line_nr+1 */
	45	int indent;
	46	int line_blank;
	47	const char *name;
	48	const char *program;
	49	lf_file_references references;
	50	lf_file_type type;
	51	};
	52
	53
	54	lf *
	55	lf_open(char *name,
	56	char *real_name,
	57	lf_file_references references,
	58	lf_file_type type,
	59	const char *program)
	60	{
	61	/* create a file object */
	62	lf *new_lf = ZALLOC(lf);
	63	ASSERT(new_lf != NULL);
	64	new_lf->references = references;
65	new_lf->type = type;
66	new_lf->name = (real_name == NULL ? name : real_name);
67	new_lf->program = program;
68	/* attach to stdout if pipe */
69	if (!strcmp(name, "-")) {
70	new_lf->stream = stdout;
71	}
72	else {
73	/* create a new file */
74	new_lf->stream = fopen(name, "w");
75	if (new_lf->stream == NULL) {
76	perror(name);
77	exit(1);
78	}
79	}
80	return new_lf;
81	}
82
83
84	void
85	lf_close(lf *file)
86	{
87	if (file->stream != stdout) {
88	if (fclose(file->stream)) {
89	perror("lf_close.fclose");
90	exit(1);
91	}
92	free(file);
93	}
94	}
95
96
97	int
98	lf_putchr(lf *file,
99	const char chr)
100	{
101	int nr = 0;
102	if (chr == '\n') {
103	file->line_nr += 1;
104	file->line_blank = 1;
105	}
106	else if (file->line_blank) {
107	int pad;
108	for (pad = file->indent; pad > 0; pad--)
109	putc(' ', file->stream);
110	nr += file->indent;
111	file->line_blank = 0;
112	}
113	putc(chr, file->stream);
114	nr += 1;
115	return nr;
116	}
117
118	void
119	lf_indent_suppress(lf *file)
120	{
121	file->line_blank = 0;
122	}
123
124
125	int
126	lf_putstr(lf *file,
127	const char *string)
128	{
129	int nr = 0;
130	const char *chp;
131	if (string != NULL) {
132	for (chp = string; *chp != '\0'; chp++) {
133	nr += lf_putchr(file, *chp);
134	}
135	}
136	return nr;
137	}
138
139	static int
140	do_lf_putunsigned(lf *file,
141	unsigned u)
142	{
143	int nr = 0;
144	if (u > 0) {
145	nr += do_lf_putunsigned(file, u / 10);
146	nr += lf_putchr(file, (u % 10) + '0');
147	}
148	return nr;
149	}
150
151
152	int
153	lf_putint(lf *file,
154	int decimal)
155	{
156	int nr = 0;
157	if (decimal == 0)
158	nr += lf_putchr(file, '0');
159	else if (decimal < 0) {
160	nr += lf_putchr(file, '-');
161	nr += do_lf_putunsigned(file, -decimal);
162	}
163	else if (decimal > 0) {
164	nr += do_lf_putunsigned(file, decimal);
165	}
166	else
167	ASSERT(0);
168	return nr;
169	}
170
171
172	int
173	lf_printf(lf *file,
174	const char *fmt,
175	...)
176	{
177	int nr = 0;
178	char buf[1024];
179	va_list ap;
180
181	va_start(ap, fmt);
182	vsprintf(buf, fmt, ap);
183	/* FIXME - this is really stuffed but so is vsprintf() on a sun! */
184	ASSERT(strlen(buf) > 0 && strlen(buf) < sizeof(buf));
185	nr += lf_putstr(file, buf);
186	va_end(ap);
187	return nr;
188	}
189
190
191	int
192	lf_print__c_code(lf *file,
193	const char *code)
194	{
195	int nr = 0;
196	const char *chp = code;
197	int in_bit_field = 0;
198	while (*chp != '\0') {
199	if (*chp == '\t')
200	chp++;
201	if (*chp == '#')
202	lf_indent_suppress(file);
203	while (chp != '\0' && chp != '\n') {
204	if (chp[0] == '{' && !isspace(chp[1])) {
205	in_bit_field = 1;
206	nr += lf_putchr(file, '_');
207	}
208	else if (in_bit_field && chp[0] == ':') {
209	nr += lf_putchr(file, '_');
210	}
211	else if (in_bit_field && *chp == '}') {
212	nr += lf_putchr(file, '_');
213	in_bit_field = 0;
214	}
215	else {
216	nr += lf_putchr(file, *chp);
217	}
218	chp++;
219	}
220	if (in_bit_field)
221	error("bit field paren miss match some where\n");
222	if (*chp == '\n') {
223	nr += lf_putchr(file, '\n');
224	chp++;
225	}
226	}
227	nr += lf_putchr(file, '\n');
228	return nr;
229	}
230
231
232	int
233	lf_print__external_reference(lf *file,
234	int line_nr,
235	const char *file_name)
236	{
237	int nr = 0;
238	switch (file->references) {
239	case lf_include_references:
240	lf_indent_suppress(file);
241	nr += lf_putstr(file, "#line ");
242	nr += lf_putint(file, line_nr);
243	nr += lf_putstr(file, " \"");
244	nr += lf_putstr(file, file_name);
245	nr += lf_putstr(file, "\"\n");
246	break;
247	case lf_omit_references:
248	break;
249	}
250	return nr;
251	}
252
253	int
254	lf_print__internal_reference(lf *file)
255	{
256	int nr = 0;
257	nr += lf_print__external_reference(file, file->line_nr+2, file->name);
258	/* line_nr == last_line, want to number from next */
259	return nr;
260	}
261
262	void
263	lf_indent(lf *file, int delta)
264	{
265	file->indent += delta;
266	}
267
268
269	int
270	lf_print__gnu_copyleft(lf *file)
271	{
272	int nr = 0;
273	switch (file->type) {
274	case lf_is_c:
275	case lf_is_h:
276	nr += lf_printf(file, "\
277	/* This file is part of the program psim.
278
279	Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
280
281	This program is free software; you can redistribute it and/or modify
282	it under the terms of the GNU General Public License as published by
283	the Free Software Foundation; either version 2 of the License, or
284	(at your option) any later version.
285
286	This program is distributed in the hope that it will be useful,
287	but WITHOUT ANY WARRANTY; without even the implied warranty of
288	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
289	GNU General Public License for more details.
290
291	You should have received a copy of the GNU General Public License
292	along with this program; if not, write to the Free Software
293	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
294
295	--
296
297	This file was generated by the program %s */
298	", filter_filename(file->program));
299	break;
300	default:
301	ASSERT(0);
302	break;
303	}
304	return nr;
305	}
306
307
308	int
309	lf_putbin(lf *file, int decimal, int width)
310	{
311	int nr = 0;
312	int bit;
313	ASSERT(width > 0);
314	for (bit = 1 << (width-1); bit != 0; bit >>= 1) {
315	if (decimal & bit)
316	nr += lf_putchr(file, '1');
317	else
318	nr += lf_putchr(file, '0');
319	}
320	return nr;
321	}
322
323	int
324	lf_print__this_file_is_empty(lf *file)
325	{
326	int nr = 0;
327	switch (file->type) {
328	case lf_is_c:
329	case lf_is_h:
330	nr += lf_printf(file,
331	"/* This generated file (%s) is intentionally left blank */\n",
332	file->name);
333	break;
334	default:
335	ASSERT(0);
336	}
337	return nr;
338	}
339
340	int
341	lf_print__ucase_filename(lf *file)
342	{
343	int nr = 0;
344	const char *chp = file->name;
345	while (*chp != '\0') {
346	char ch = *chp;
347	if (islower(ch)) {
348	nr += lf_putchr(file, toupper(ch));
349	}
350	else if (ch == '.')
351	nr += lf_putchr(file, '_');
352	else
353	nr += lf_putchr(file, ch);
354	chp++;
355	}
356	return nr;
357	}
358
359	int
360	lf_print__file_start(lf *file)
361	{
362	int nr = 0;
363	switch (file->type) {
364	case lf_is_h:
365	case lf_is_c:
366	nr += lf_print__gnu_copyleft(file);
367	nr += lf_printf(file, "\n");
368	nr += lf_printf(file, "#ifndef _");
369	nr += lf_print__ucase_filename(file);
370	nr += lf_printf(file, "_\n");
371	nr += lf_printf(file, "#define _");
372	nr += lf_print__ucase_filename(file);
373	nr += lf_printf(file, "_\n");
374	nr += lf_printf(file, "\n");
375	break;
376	default:
377	ASSERT(0);
378	}
379	return nr;
380	}
381
382
383	int
384	lf_print__file_finish(lf *file)
385	{
386	int nr = 0;
387	switch (file->type) {
388	case lf_is_h:
389	case lf_is_c:
390	nr += lf_printf(file, "\n");
391	nr += lf_printf(file, "#endif /* _");
392	nr += lf_print__ucase_filename(file);
393	nr += lf_printf(file, "_*/\n");
394	break;
395	default:
396	ASSERT(0);
397	}
398	return nr;
399	}
400
401
402	int
403	lf_print_function_type(lf *file,
404	const char *type,
405	const char *prefix,
406	const char *trailing_space)
407	{
408	int nr = 0;
409	nr += lf_printf(file, "%s\\\n(%s)", prefix, type);
410	if (trailing_space != NULL)
411	nr += lf_printf(file, "%s", trailing_space);
412	#if 0
413	const char type_pointer = strrchr(type, '');
414	int type_pointer_offset = (type_pointer != NULL
415	? type_pointer - type
416	: 0);
417	if (type_pointer == NULL) {
418	lf_printf(file, "%s %s", type, prefix);
419	}
420	else {
421	char munged_type = (char)zalloc(strlen(type)
422	+ strlen(prefix)
423	+ strlen(" * ")
424	+ 1);
425	strcpy(munged_type, type);
426	munged_type[type_pointer_offset] = '\0';
427	if (type_pointer_offset > 0 && type[type_pointer_offset-1] != ' ')
428	strcat(munged_type, " ");
429	strcat(munged_type, prefix);
430	strcat(munged_type, " ");
431	strcat(munged_type, type + type_pointer_offset);
432	lf_printf(file, "%s", munged_type);
433	free(munged_type);
434	}
435	if (trailing_space != NULL && type_pointer_offset < strlen(type) - 1)
436	lf_printf(file, trailing_space);
437	#endif
438	return nr;
439	}
440