glibc/sunrpc/rpc_scan.c
Ulrich Drepper 0d204b0a52 update from main archive 961016
Thu Oct 17 01:55:34 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sunrpc/Makefile ($(objpfx)rpcsvc/%.h, $(objpfx)x%.c): Write
	output to $@T and move to $@ later since the new rpcgen will not
	overwrite existing files.

	* po/Makefile (libc.pot): Fix typo.

Sun Oct 13 20:52:07 1996  Thorsten Kukuk  <kukuk@weber.uni-paderborn.de>

	Update rpcgen program to TI-rpc code.
	* sunrpc/Makefile (rpcgen-objs): Add rpc_tblout.o and rpc_sample.o.
	(distribute): Add proto.h.
	* sunrpc/proto.h: New file.  Prototypes for all the RPC functions.
	* sunrpc/rpc_clntout.c: Change to allow generation of ISO C code.
	* sunrpc/rpc_cout.c: Likewise.
	* sunrpc/rpc_hout.c: Likewise.
	* sunrpc/rpc_main.c: Likewise.
	* sunrpc/rpc_parse.c: Likewise.
	* sunrpc/rpc_parse.h: Likewise.
	* sunrpc/rpc_scan.c: Likewise.
	* sunrpc/rpc_scan.h: Likewise.
	* sunrpc/rpc_svcout.c: Likewise.
	* sunrpc/rpc_util.c: Likewise.
	* sunrpc/rpc_util.h: Likewise.

	* sunrpc/rpc_tblout.c: New file.
	* sunrpc/rpc_sample.c: Likewise.

Thu Oct 17 00:26:20 1996  NIIBE Yutaka  <gniibe@mri.co.jp>

	* sysdeps/unix/opendir.c: Add semicolon for consistency.

Wed Oct 16 12:26:53 1996  Sven Verdoolaege  <skimo@breughel.ufsia.ac.be>

	* locale/progams/localedef.c (main): Test with -1 to find out
 	whether read failed.

Wed Oct 16 14:54:59 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/i386/clone.S: Use JUMPTARGET and
 	PSEUDO_END macro.

Tue Oct 15 21:27:42 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/m68k/sigcontext.h: Removed.

Tue Oct 15 15:52:29 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/m68k/clone.S: Add CALL_MCOUNT.
	* sysdeps/unix/sysv/linux/m68k/mmap.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sigreturn.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.S (__errno_location):
	Likewise.
	* sysdeps/unix/sysv/linux/m68k/syscall.S: Likewise.
	Correct generation of system call.

Tue Oct 15 15:13:16 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makerules (sysd-Makefile): Fix command so that it works in the
	subdirectories.
	(BUILD_CFLAGS): Change back using $(..) instead of
	$(common-objpfx), the latter fails in the toplevel directory when
	$(objdir) is relative.
	(common-objdir-compile): Run compiler in $(objdir).
	* sysdeps/posix/Makefile (mk-stdiolim): Likewise.

Tue Oct 15 23:39:48 1996  Ulrich Drepper  <drepper@cygnus.com>

	* string/string.h [__USE_SVID]: Add prototype for swab.
	* time/sys/time.h [__USE_BSD]: Add prototype for ualarm.
	Reported by Andreas Jaeger.

	The available nlist implementation is not generally usable.
  	Especially on the currently supported ELF systems the nlist
 	function comes with the libelf.
	* misc/Makefile (headers): Remove nlist.h.
	(routines): Remove nlist.

	* Makefile ($(objpfx)version-info.h): Include information about
	system the libc is built on in version-info.h file.

	* po/Makefile (distribute): Add header.pot.

Tue Oct 15 16:34:15 1996  Andreas Jaeger  <aj@arthur.pfalz.de>

	* sysdeps/unix/sysv/linux/sleep.c: Include file with prototype.
	* sysdeps/unix/sysv/linux/reboot.c: Likewise.
	* misc/error.c: Likewise.

Tue Oct 15 22:41:27 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/syscalls.list: Add {get,set}resuid.

Tue Oct 15 08:06:02 1996  Andreas Jaeger  <aj@arthur.pfalz.de>

	* crypt/Makefiel (rpath-link): Extend search path to current directory.

Fri Oct 11 09:18:06 1996  Sven Verdoolaege  <skimo@breughel.ufsia.ac.be>

	* sysdeps/i386/i586/strlen.S: Correct handling of prolog for
	aligning pointer.

Tue Oct 15 02:13:21 1996  Ulrich Drepper  <drepper@cygnus.com>

	* stdio-common/vfprintf.c: Don't declare __flockfile as weak.

	* crypt/md5-crypt.c (md5_crypt_r): Add cast to prevent warning.

Sun Oct 13 19:16:10 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/m68k/sysdep.h (POUND): Macro removed,
	replaced by `&'.
	(PSEUDO_END): Provide definition to use .size directive.
	(PSEUDO): Don't interpret negative return values less than -128 as
	syscall error.
	* sysdeps/unix/sysv/linux/m68k/syscall.S (syscall): Likewise.

	* sysdeps/m68k/bsd-_setjmp.S: Use PSEUDO_END macro to provide
	.size directive.
	* sysdeps/m68k/bsd-setjmp.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/mmap.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sigreturn.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.S: Use PSEUDO_END instead of
	explicit .size directive.

	* libio/iogets.c: Warn when gets is used.
cd	* time/strptime.c: Recognize %s, %u, %g, and %G format.
1996-10-17 01:51:38 +00:00

488 lines
9.0 KiB
C

/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
/*
* From: @(#)rpc_scan.c 1.11 89/02/22 (C) 1987 SMI
*/
char scan_rcsid[] =
"$Id$";
/*
* rpc_scan.c, Scanner for the RPC protocol compiler
* Copyright (C) 1987, Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "rpc_scan.h"
#include "rpc_parse.h"
#include "rpc_util.h"
#include "proto.h"
#define startcomment(where) (where[0] == '/' && where[1] == '*')
#define endcomment(where) (where[-1] == '*' && where[0] == '/')
static int pushed = 0; /* is a token pushed */
static token lasttok; /* last token, if pushed */
static void unget_token(token *tokp);
static void findstrconst(const char **str, const char **val);
static void findchrconst(const char **str, const char **val);
static void findconst(const char **str, const char **val);
static void findkind(const char **mark, token *tokp);
static int cppline(const char *line);
static int directive(const char *line);
static void printdirective(const char *line);
static void docppline(const char *line, int *lineno, const char **fname);
/*
* scan expecting 1 given token
*/
void
scan(tok_kind expect, token *tokp)
{
get_token(tokp);
if (tokp->kind != expect) {
expected1(expect);
}
}
/*
* scan expecting any of the 2 given tokens
*/
void
scan2(tok_kind expect1, tok_kind expect2, token *tokp)
{
get_token(tokp);
if (tokp->kind != expect1 && tokp->kind != expect2) {
expected2(expect1, expect2);
}
}
/*
* scan expecting any of the 3 given token
*/
void
scan3(tok_kind expect1, tok_kind expect2, tok_kind expect3, token *tokp)
{
get_token(tokp);
if (tokp->kind != expect1 && tokp->kind != expect2
&& tokp->kind != expect3) {
expected3(expect1, expect2, expect3);
}
}
/*
* scan expecting a constant, possibly symbolic
*/
void
scan_num(token *tokp)
{
get_token(tokp);
switch (tokp->kind) {
case TOK_IDENT:
break;
default:
error("constant or identifier expected");
}
}
/*
* Peek at the next token
*/
void
peek(token *tokp)
{
get_token(tokp);
unget_token(tokp);
}
/*
* Peek at the next token and scan it if it matches what you expect
*/
int
peekscan(tok_kind expect, token *tokp)
{
peek(tokp);
if (tokp->kind == expect) {
get_token(tokp);
return (1);
}
return (0);
}
/*
* Get the next token, printing out any directive that are encountered.
*/
void
get_token(token *tokp)
{
int commenting;
if (pushed) {
pushed = 0;
*tokp = lasttok;
return;
}
commenting = 0;
for (;;) {
if (*where == 0) {
for (;;) {
if (!fgets(curline, MAXLINESIZE, fin)) {
tokp->kind = TOK_EOF;
*curline = 0;
where = curline;
return;
}
linenum++;
if (commenting) {
break;
} else if (cppline(curline)) {
docppline(curline, &linenum,
&infilename);
} else if (directive(curline)) {
printdirective(curline);
} else {
break;
}
}
where = curline;
} else if (isspace(*where)) {
while (isspace(*where)) {
where++; /* eat */
}
} else if (commenting) {
for (where++; *where; where++) {
if (endcomment(where)) {
where++;
commenting--;
break;
}
}
} else if (startcomment(where)) {
where += 2;
commenting++;
} else {
break;
}
}
/*
* 'where' is not whitespace, comment or directive Must be a token!
*/
switch (*where) {
case ':':
tokp->kind = TOK_COLON;
where++;
break;
case ';':
tokp->kind = TOK_SEMICOLON;
where++;
break;
case ',':
tokp->kind = TOK_COMMA;
where++;
break;
case '=':
tokp->kind = TOK_EQUAL;
where++;
break;
case '*':
tokp->kind = TOK_STAR;
where++;
break;
case '[':
tokp->kind = TOK_LBRACKET;
where++;
break;
case ']':
tokp->kind = TOK_RBRACKET;
where++;
break;
case '{':
tokp->kind = TOK_LBRACE;
where++;
break;
case '}':
tokp->kind = TOK_RBRACE;
where++;
break;
case '(':
tokp->kind = TOK_LPAREN;
where++;
break;
case ')':
tokp->kind = TOK_RPAREN;
where++;
break;
case '<':
tokp->kind = TOK_LANGLE;
where++;
break;
case '>':
tokp->kind = TOK_RANGLE;
where++;
break;
case '"':
tokp->kind = TOK_STRCONST;
findstrconst(&where, &tokp->str);
break;
case '\'':
tokp->kind = TOK_CHARCONST;
findchrconst(&where, &tokp->str);
break;
case '-':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
tokp->kind = TOK_IDENT;
findconst(&where, &tokp->str);
break;
default:
if (!(isalpha(*where) || *where == '_')) {
char buf[100];
char *p;
s_print(buf, "illegal character in file: ");
p = buf + strlen(buf);
if (isprint(*where)) {
s_print(p, "%c", *where);
} else {
s_print(p, "%d", *where);
}
error(buf);
}
findkind(&where, tokp);
break;
}
}
static void
unget_token(token *tokp)
{
lasttok = *tokp;
pushed = 1;
}
static void
findstrconst(const char **str, const char **val)
{
const char *p;
char *tmp;
int size;
p = *str;
do {
p++;
} while (*p && *p != '"');
if (*p == 0) {
error("unterminated string constant");
}
p++;
size = p - *str;
tmp = alloc(size + 1);
strncpy(tmp, *str, size);
tmp[size] = 0;
*val = tmp;
*str = p;
}
static void
findchrconst(const char **str, const char **val)
{
const char *p;
char *tmp;
int size;
p = *str;
do {
p++;
} while (*p && *p != '\'');
if (*p == 0) {
error("unterminated string constant");
}
p++;
size = p - *str;
if (size != 3) {
error("empty char string");
}
tmp = alloc(size + 1);
strncpy(tmp, *str, size);
tmp[size] = 0;
*val = tmp;
*str = p;
}
static void
findconst(const char **str, const char **val)
{
const char *p;
char *tmp;
int size;
p = *str;
if (*p == '0' && *(p + 1) == 'x') {
p++;
do {
p++;
} while (isxdigit(*p));
} else {
do {
p++;
} while (isdigit(*p));
}
size = p - *str;
tmp = alloc(size + 1);
strncpy(tmp, *str, size);
tmp[size] = 0;
*val = tmp;
*str = p;
}
static token symbols[] = {
{TOK_CONST, "const"},
{TOK_UNION, "union"},
{TOK_SWITCH, "switch"},
{TOK_CASE, "case"},
{TOK_DEFAULT, "default"},
{TOK_STRUCT, "struct"},
{TOK_TYPEDEF, "typedef"},
{TOK_ENUM, "enum"},
{TOK_OPAQUE, "opaque"},
{TOK_BOOL, "bool"},
{TOK_VOID, "void"},
{TOK_CHAR, "char"},
{TOK_INT, "int"},
{TOK_UNSIGNED, "unsigned"},
{TOK_SHORT, "short"},
{TOK_LONG, "long"},
{TOK_FLOAT, "float"},
{TOK_DOUBLE, "double"},
{TOK_STRING, "string"},
{TOK_PROGRAM, "program"},
{TOK_VERSION, "version"},
{TOK_EOF, "??????"},
};
static void
findkind(const char **mark, token *tokp)
{
int len;
token *s;
const char *str;
char *tmp;
str = *mark;
for (s = symbols; s->kind != TOK_EOF; s++) {
len = strlen(s->str);
if (strncmp(str, s->str, len) == 0) {
if (!isalnum(str[len]) && str[len] != '_') {
tokp->kind = s->kind;
tokp->str = s->str;
*mark = str + len;
return;
}
}
}
tokp->kind = TOK_IDENT;
for (len = 0; isalnum(str[len]) || str[len] == '_'; len++);
tmp = alloc(len + 1);
strncpy(tmp, str, len);
tmp[len] = 0;
tokp->str = tmp;
*mark = str + len;
}
static int
cppline(const char *line)
{
return (line == curline && *line == '#');
}
static int
directive(const char *line)
{
return (line == curline && *line == '%');
}
static void
printdirective(const char *line)
{
f_print(fout, "%s", line + 1);
}
static void
docppline(const char *line, int *lineno, const char **fname)
{
char *file;
int num;
char *p;
line++;
while (isspace(*line)) {
line++;
}
num = atoi(line);
while (isdigit(*line)) {
line++;
}
while (isspace(*line)) {
line++;
}
if (*line != '"') {
error("preprocessor error");
}
line++;
p = file = alloc(strlen(line) + 1);
while (*line && *line != '"') {
*p++ = *line++;
}
if (*line == 0) {
error("preprocessor error");
}
*p = 0;
if (*file == 0) {
*fname = NULL;
} else {
*fname = file;
}
*lineno = num - 1;
}