[thirdparty/binutils-gdb.git] / sim / igen / 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;
}

int
lf_write (lf *file,
	  const char *string,
	  int strlen_string)
{
  int nr = 0;
  int i;
  for (i = 0; i < strlen_string; i++)
    nr += lf_putchr (file, string[i]);
  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) < sizeof (buf));
  nr += lf_putstr (file, buf);
  va_end(ap);
  return nr;
}


int
lf_print__line_ref (lf *file,
		    line_ref *line)
{
  return lf_print__external_ref (file, line->line_nr, line->file_name);
}

int
lf_print__external_ref (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:
      nr += lf_putstr (file, "/* ");
      nr += lf_putstr (file, file_name);
      nr += lf_putstr (file, ":");
      nr += lf_putint (file, line_nr);
      nr += lf_putstr (file, "*/\n");
      break;
    }
  return nr;
}

int
lf_print__internal_ref (lf *file)
{
  int nr = 0;
  nr += lf_print__external_ref (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.\n\
\n\
    Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>\n\
\n\
    This program is free software; you can redistribute it and/or modify\n\
    it under the terms of the GNU General Public License as published by\n\
    the Free Software Foundation; either version 2 of the License, or\n\
    (at your option) any later version.\n\
\n\
    This program is distributed in the hope that it will be useful,\n\
    but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n\
    GNU General Public License for more details.\n\
 \n\
    You should have received a copy of the GNU General Public License\n\
    along with this program; if not, write to the Free Software\n\
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n\
\n\
    --\n\
\n\
    This file was generated by the program %s */\n\
", 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,
			     const char *reason)
{
  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",
		    file->name);
    if (reason != NULL)
      nr += lf_printf (file, " - %s", reason);
    nr += lf_printf (file, " */\n");
    break;
  default:
    ERROR ("Bad switch");
  }
  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);
  return nr;
}

int
lf_print__function_type_function (lf *file,
				  print_function *print_type,
				  const char *prefix,
				  const char *trailing_space)
{
  int nr = 0;
  nr += lf_printf (file, "%s\\\n(", prefix);
  nr += print_type (file);
  nr += lf_printf (file, ")");
  if (trailing_space != NULL)
    nr += lf_printf (file, "%s", trailing_space);
  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	int
119	lf_write (lf *file,
120	const char *string,
121	int strlen_string)
122	{
123	int nr = 0;
124	int i;
125	for (i = 0; i < strlen_string; i++)
126	nr += lf_putchr (file, string[i]);
127	return nr;
128	}
129
130
131	void
132	lf_indent_suppress(lf *file)
133	{
134	file->line_blank = 0;
135	}
136
137
138	int
139	lf_putstr(lf *file,
140	const char *string)
141	{
142	int nr = 0;
143	const char *chp;
144	if (string != NULL) {
145	for (chp = string; *chp != '\0'; chp++) {
146	nr += lf_putchr(file, *chp);
147	}
148	}
149	return nr;
150	}
151
152	static int
153	do_lf_putunsigned(lf *file,
154	unsigned u)
155	{
156	int nr = 0;
157	if (u > 0) {
158	nr += do_lf_putunsigned(file, u / 10);
159	nr += lf_putchr(file, (u % 10) + '0');
160	}
161	return nr;
162	}
163
164
165	int
166	lf_putint(lf *file,
167	int decimal)
168	{
169	int nr = 0;
170	if (decimal == 0)
171	nr += lf_putchr(file, '0');
172	else if (decimal < 0) {
173	nr += lf_putchr(file, '-');
174	nr += do_lf_putunsigned(file, -decimal);
175	}
176	else if (decimal > 0) {
177	nr += do_lf_putunsigned(file, decimal);
178	}
179	else
180	ASSERT(0);
181	return nr;
182	}
183
184
185	int
186	lf_printf (lf *file,
187	const char *fmt,
188	...)
189	{
190	int nr = 0;
191	char buf[1024];
192	va_list ap;
193
194	va_start (ap, fmt);
195	vsprintf (buf, fmt, ap);
196	/* FIXME - this is really stuffed but so is vsprintf() on a sun! */
197	ASSERT (strlen (buf) < sizeof (buf));
198	nr += lf_putstr (file, buf);
199	va_end(ap);
200	return nr;
201	}
202
203
204	int
205	lf_print__line_ref (lf *file,
206	line_ref *line)
207	{
208	return lf_print__external_ref (file, line->line_nr, line->file_name);
209	}
210
211	int
212	lf_print__external_ref (lf *file,
213	int line_nr,
214	const char *file_name)
215	{
216	int nr = 0;
217	switch (file->references)
218	{
219	case lf_include_references:
220	lf_indent_suppress(file);
221	nr += lf_putstr (file, "#line ");
222	nr += lf_putint (file, line_nr);
223	nr += lf_putstr (file, " \"");
224	nr += lf_putstr (file, file_name);
225	nr += lf_putstr (file, "\"\n");
226	break;
227	case lf_omit_references:
228	nr += lf_putstr (file, "/* ");
229	nr += lf_putstr (file, file_name);
230	nr += lf_putstr (file, ":");
231	nr += lf_putint (file, line_nr);
232	nr += lf_putstr (file, "*/\n");
233	break;
234	}
235	return nr;
236	}
237
238	int
239	lf_print__internal_ref (lf *file)
240	{
241	int nr = 0;
242	nr += lf_print__external_ref (file, file->line_nr+2, file->name);
243	/* line_nr == last_line, want to number from next */
244	return nr;
245	}
246
247	void
248	lf_indent (lf *file, int delta)
249	{
250	file->indent += delta;
251	}
252
253
254	int
255	lf_print__gnu_copyleft (lf *file)
256	{
257	int nr = 0;
258	switch (file->type) {
259	case lf_is_c:
260	case lf_is_h:
261	nr += lf_printf(file, "\
4e62efb8 RH	262	/* This file is part of the program psim.\n\
	263	\n\
	264	Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>\n\
	265	\n\
	266	This program is free software; you can redistribute it and/or modify\n\
	267	it under the terms of the GNU General Public License as published by\n\
	268	the Free Software Foundation; either version 2 of the License, or\n\
	269	(at your option) any later version.\n\
	270	\n\
	271	This program is distributed in the hope that it will be useful,\n\
	272	but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
	273	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
	274	GNU General Public License for more details.\n\
	275	\n\
	276	You should have received a copy of the GNU General Public License\n\
	277	along with this program; if not, write to the Free Software\n\
	278	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n\
	279	\n\
	280	--\n\
	281	\n\
	282	This file was generated by the program %s */\n\
c906108c SS	283	", filter_filename(file->program));
	284	break;
	285	default:
	286	ASSERT(0);
	287	break;
	288	}
	289	return nr;
	290	}
	291
	292
	293	int
	294	lf_putbin(lf *file, int decimal, int width)
	295	{
	296	int nr = 0;
	297	int bit;
	298	ASSERT(width > 0);
	299	for (bit = 1 << (width-1); bit != 0; bit >>= 1) {
	300	if (decimal & bit)
	301	nr += lf_putchr(file, '1');
	302	else
	303	nr += lf_putchr(file, '0');
	304	}
	305	return nr;
	306	}
	307
	308	int
	309	lf_print__this_file_is_empty(lf *file,
	310	const char *reason)
	311	{
	312	int nr = 0;
	313	switch (file->type) {
	314	case lf_is_c:
	315	case lf_is_h:
	316	nr += lf_printf (file,
	317	"/* This generated file (%s) is intentionally left blank",
	318	file->name);
	319	if (reason != NULL)
	320	nr += lf_printf (file, " - %s", reason);
	321	nr += lf_printf (file, " */\n");
	322	break;
	323	default:
	324	ERROR ("Bad switch");
	325	}
	326	return nr;
	327	}
	328
	329	int
	330	lf_print__ucase_filename(lf *file)
	331	{
	332	int nr = 0;
	333	const char *chp = file->name;
	334	while (*chp != '\0') {
	335	char ch = *chp;
	336	if (islower(ch)) {
	337	nr += lf_putchr(file, toupper(ch));
	338	}
	339	else if (ch == '.')
	340	nr += lf_putchr(file, '_');
	341	else
	342	nr += lf_putchr(file, ch);
	343	chp++;
	344	}
	345	return nr;
	346	}
347
348	int
349	lf_print__file_start(lf *file)
350	{
351	int nr = 0;
352	switch (file->type) {
353	case lf_is_h:
354	case lf_is_c:
355	nr += lf_print__gnu_copyleft(file);
356	nr += lf_printf(file, "\n");
357	nr += lf_printf(file, "#ifndef ");
358	nr += lf_print__ucase_filename(file);
359	nr += lf_printf(file, "\n");
360	nr += lf_printf(file, "#define ");
361	nr += lf_print__ucase_filename(file);
362	nr += lf_printf(file, "\n");
363	nr += lf_printf(file, "\n");
364	break;
365	default:
366	ASSERT(0);
367	}
368	return nr;
369	}
370
371
372	int
373	lf_print__file_finish(lf *file)
374	{
375	int nr = 0;
376	switch (file->type) {
377	case lf_is_h:
378	case lf_is_c:
379	nr += lf_printf(file, "\n");
380	nr += lf_printf(file, "#endif /* _");
381	nr += lf_print__ucase_filename(file);
382	nr += lf_printf(file, "_*/\n");
383	break;
384	default:
385	ASSERT(0);
386	}
387	return nr;
388	}
389
390
391	int
392	lf_print__function_type (lf *file,
393	const char *type,
394	const char *prefix,
395	const char *trailing_space)
396	{
397	int nr = 0;
398	nr += lf_printf (file, "%s\\\n(%s)", prefix, type);
399	if (trailing_space != NULL)
400	nr += lf_printf (file, "%s", trailing_space);
401	return nr;
402	}
403
404	int
405	lf_print__function_type_function (lf *file,
406	print_function *print_type,
407	const char *prefix,
408	const char *trailing_space)
409	{
410	int nr = 0;
411	nr += lf_printf (file, "%s\\\n(", prefix);
412	nr += print_type (file);
413	nr += lf_printf (file, ")");
414	if (trailing_space != NULL)
415	nr += lf_printf (file, "%s", trailing_space);
416	return nr;
417	}
418