[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 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, see <http://www.gnu.org/licenses/>.

    */


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

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