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-rw-r--r--awktab.c339
1 files changed, 171 insertions, 168 deletions
diff --git a/awktab.c b/awktab.c
index 40e274c2..42971fa7 100644
--- a/awktab.c
+++ b/awktab.c
@@ -1,47 +1,48 @@
/* A Bison parser, made from ./awk.y
- by GNU Bison version 1.28 */
+ by GNU Bison version 1.25
+ */
#define YYBISON 1 /* Identify Bison output. */
-#define FUNC_CALL 257
-#define NAME 258
-#define REGEXP 259
-#define ERROR 260
-#define YNUMBER 261
-#define YSTRING 262
-#define RELOP 263
-#define APPEND_OP 264
-#define ASSIGNOP 265
-#define MATCHOP 266
-#define NEWLINE 267
-#define CONCAT_OP 268
-#define LEX_BEGIN 269
-#define LEX_END 270
-#define LEX_IF 271
-#define LEX_ELSE 272
-#define LEX_RETURN 273
-#define LEX_DELETE 274
-#define LEX_WHILE 275
-#define LEX_DO 276
-#define LEX_FOR 277
-#define LEX_BREAK 278
-#define LEX_CONTINUE 279
-#define LEX_PRINT 280
-#define LEX_PRINTF 281
-#define LEX_NEXT 282
-#define LEX_EXIT 283
-#define LEX_FUNCTION 284
-#define LEX_GETLINE 285
-#define LEX_NEXTFILE 286
-#define LEX_IN 287
-#define LEX_AND 288
-#define LEX_OR 289
-#define INCREMENT 290
-#define DECREMENT 291
-#define LEX_BUILTIN 292
-#define LEX_LENGTH 293
-#define UNARY 294
+#define FUNC_CALL 258
+#define NAME 259
+#define REGEXP 260
+#define ERROR 261
+#define YNUMBER 262
+#define YSTRING 263
+#define RELOP 264
+#define APPEND_OP 265
+#define ASSIGNOP 266
+#define MATCHOP 267
+#define NEWLINE 268
+#define CONCAT_OP 269
+#define LEX_BEGIN 270
+#define LEX_END 271
+#define LEX_IF 272
+#define LEX_ELSE 273
+#define LEX_RETURN 274
+#define LEX_DELETE 275
+#define LEX_WHILE 276
+#define LEX_DO 277
+#define LEX_FOR 278
+#define LEX_BREAK 279
+#define LEX_CONTINUE 280
+#define LEX_PRINT 281
+#define LEX_PRINTF 282
+#define LEX_NEXT 283
+#define LEX_EXIT 284
+#define LEX_FUNCTION 285
+#define LEX_GETLINE 286
+#define LEX_NEXTFILE 287
+#define LEX_IN 288
+#define LEX_AND 289
+#define LEX_OR 290
+#define INCREMENT 291
+#define DECREMENT 292
+#define LEX_BUILTIN 293
+#define LEX_LENGTH 294
+#define UNARY 295
#line 26 "./awk.y"
@@ -129,7 +130,7 @@ typedef union {
#define YYFLAG -32768
#define YYNTBASE 62
-#define YYTRANSLATE(x) ((unsigned)(x) <= 294 ? yytranslate[x] : 107)
+#define YYTRANSLATE(x) ((unsigned)(x) <= 295 ? yytranslate[x] : 107)
static const char yytranslate[] = { 0,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
@@ -157,11 +158,11 @@ static const char yytranslate[] = { 0,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
- 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
- 37, 38, 39, 52
+ 2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
+ 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
+ 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
+ 36, 37, 38, 39, 52
};
#if YYDEBUG != 0
@@ -780,8 +781,7 @@ static const short yycheck[] = { 3,
46, 47, -1, -1, -1, 51, -1, -1, 54, 55
};
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
-#line 3 "/usr/lib/bison.simple"
-/* This file comes from bison-1.28. */
+#line 3 "/usr/local/share/bison.simple"
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
@@ -798,66 +798,46 @@ static const short yycheck[] = { 3,
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. */
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
-/* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
-#ifndef YYSTACK_USE_ALLOCA
-#ifdef alloca
-#define YYSTACK_USE_ALLOCA
-#else /* alloca not defined */
+#ifndef alloca
#ifdef __GNUC__
-#define YYSTACK_USE_ALLOCA
#define alloca __builtin_alloca
#else /* not GNU C. */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
-#define YYSTACK_USE_ALLOCA
+#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
#include <alloca.h>
#else /* not sparc */
-/* We think this test detects Watcom and Microsoft C. */
-/* This used to test MSDOS, but that is a bad idea
- since that symbol is in the user namespace. */
-#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
-#if 0 /* No need for malloc.h, which pollutes the namespace;
- instead, just don't use alloca. */
+#if defined (MSDOS) && !defined (__TURBOC__)
#include <malloc.h>
-#endif
#else /* not MSDOS, or __TURBOC__ */
#if defined(_AIX)
-/* I don't know what this was needed for, but it pollutes the namespace.
- So I turned it off. rms, 2 May 1997. */
-/* #include <malloc.h> */
+#include <malloc.h>
#pragma alloca
-#define YYSTACK_USE_ALLOCA
-#else /* not MSDOS, or __TURBOC__, or _AIX */
-#if 0
-#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
- and on HPUX 10. Eventually we can turn this on. */
-#define YYSTACK_USE_ALLOCA
-#define alloca __builtin_alloca
+#else /* not MSDOS, __TURBOC__, or _AIX */
+#ifdef __hpux
+#ifdef __cplusplus
+extern "C" {
+void *alloca (unsigned int);
+};
+#else /* not __cplusplus */
+void *alloca ();
+#endif /* not __cplusplus */
#endif /* __hpux */
-#endif
#endif /* not _AIX */
#endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc */
-#endif /* not GNU C */
-#endif /* alloca not defined */
-#endif /* YYSTACK_USE_ALLOCA not defined */
+#endif /* not sparc. */
+#endif /* not GNU C. */
+#endif /* alloca not defined. */
-#ifdef YYSTACK_USE_ALLOCA
-#define YYSTACK_ALLOC alloca
-#else
-#define YYSTACK_ALLOC malloc
-#endif
+/* This is the parser code that is written into each bison parser
+ when the %semantic_parser declaration is not specified in the grammar.
+ It was written by Richard Stallman by simplifying the hairy parser
+ used when %semantic_parser is specified. */
/* Note: there must be only one dollar sign in this file.
It is replaced by the list of actions, each action
@@ -867,8 +847,8 @@ static const short yycheck[] = { 3,
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY -2
#define YYEOF 0
-#define YYACCEPT goto yyacceptlab
-#define YYABORT goto yyabortlab
+#define YYACCEPT return(0)
+#define YYABORT return(1)
#define YYERROR goto yyerrlab1
/* Like YYERROR except do call yyerror.
This remains here temporarily to ease the
@@ -949,12 +929,12 @@ int yydebug; /* nonzero means print parse trace */
#ifndef YYMAXDEPTH
#define YYMAXDEPTH 10000
#endif
-
-/* Define __yy_memcpy. Note that the size argument
- should be passed with type unsigned int, because that is what the non-GCC
- definitions require. With GCC, __builtin_memcpy takes an arg
- of type size_t, but it can handle unsigned int. */
+/* Prevent warning if -Wstrict-prototypes. */
+#ifdef __GNUC__
+int yyparse (void);
+#endif
+
#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
#define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
#else /* not GNU C or C++ */
@@ -966,7 +946,7 @@ static void
__yy_memcpy (to, from, count)
char *to;
char *from;
- unsigned int count;
+ int count;
{
register char *f = from;
register char *t = to;
@@ -981,10 +961,10 @@ __yy_memcpy (to, from, count)
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
-__yy_memcpy (char *to, char *from, unsigned int count)
+__yy_memcpy (char *to, char *from, int count)
{
- register char *t = to;
register char *f = from;
+ register char *t = to;
register int i = count;
while (i-- > 0)
@@ -994,7 +974,7 @@ __yy_memcpy (char *to, char *from, unsigned int count)
#endif
#endif
-#line 217 "/usr/lib/bison.simple"
+#line 196 "/usr/local/share/bison.simple"
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
into yyparse. The argument should have type void *.
@@ -1015,15 +995,6 @@ __yy_memcpy (char *to, char *from, unsigned int count)
#define YYPARSE_PARAM_DECL
#endif /* not YYPARSE_PARAM */
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-#ifdef YYPARSE_PARAM
-int yyparse (void *);
-#else
-int yyparse (void);
-#endif
-#endif
-
int
yyparse(YYPARSE_PARAM_ARG)
YYPARSE_PARAM_DECL
@@ -1052,7 +1023,6 @@ yyparse(YYPARSE_PARAM_ARG)
#endif
int yystacksize = YYINITDEPTH;
- int yyfree_stacks = 0;
#ifdef YYPURE
int yychar;
@@ -1137,32 +1107,18 @@ yynewstate:
if (yystacksize >= YYMAXDEPTH)
{
yyerror("parser stack overflow");
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
-#ifdef YYLSP_NEEDED
- free (yyls);
-#endif
- }
return 2;
}
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
-#ifndef YYSTACK_USE_ALLOCA
- yyfree_stacks = 1;
-#endif
- yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
- __yy_memcpy ((char *)yyss, (char *)yyss1,
- size * (unsigned int) sizeof (*yyssp));
- yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
- __yy_memcpy ((char *)yyvs, (char *)yyvs1,
- size * (unsigned int) sizeof (*yyvsp));
+ yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
+ __yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp));
+ yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
+ __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
- __yy_memcpy ((char *)yyls, (char *)yyls1,
- size * (unsigned int) sizeof (*yylsp));
+ yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
+ __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
#endif
#endif /* no yyoverflow */
@@ -2211,7 +2167,7 @@ case 161:
break;}
}
/* the action file gets copied in in place of this dollarsign */
-#line 543 "/usr/lib/bison.simple"
+#line 498 "/usr/local/share/bison.simple"
yyvsp -= yylen;
yyssp -= yylen;
@@ -2406,30 +2362,6 @@ yyerrhandle:
yystate = yyn;
goto yynewstate;
-
- yyacceptlab:
- /* YYACCEPT comes here. */
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
-#ifdef YYLSP_NEEDED
- free (yyls);
-#endif
- }
- return 0;
-
- yyabortlab:
- /* YYABORT comes here. */
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
-#ifdef YYLSP_NEEDED
- free (yyls);
-#endif
- }
- return 1;
}
#line 867 "./awk.y"
@@ -2463,9 +2395,15 @@ extern NODE
static struct token tokentab[] = {
{"BEGIN", Node_illegal, LEX_BEGIN, 0, 0},
{"END", Node_illegal, LEX_END, 0, 0},
+#ifdef BITOPS
+{"and", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_and},
+#endif /* BITOPS */
{"atan2", Node_builtin, LEX_BUILTIN, NOT_OLD|A(2), do_atan2},
{"break", Node_K_break, LEX_BREAK, 0, 0},
{"close", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_close},
+#ifdef BITOPS
+{"compl", Node_builtin, LEX_BUILTIN, GAWKX|A(1), do_compl},
+#endif /* BITOPS */
{"continue", Node_K_continue, LEX_CONTINUE, 0, 0},
{"cos", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_cos},
{"delete", Node_K_delete, LEX_DELETE, NOT_OLD, 0},
@@ -2486,19 +2424,31 @@ static struct token tokentab[] = {
{"int", Node_builtin, LEX_BUILTIN, A(1), do_int},
{"length", Node_builtin, LEX_LENGTH, A(0)|A(1), do_length},
{"log", Node_builtin, LEX_BUILTIN, A(1), do_log},
+#ifdef BITOPS
+{"lshift", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_lshift},
+#endif /* BITOPS */
{"match", Node_builtin, LEX_BUILTIN, NOT_OLD|A(2), do_match},
{"next", Node_K_next, LEX_NEXT, 0, 0},
{"nextfile", Node_K_nextfile, LEX_NEXTFILE, GAWKX, 0},
+#ifdef BITOPS
+{"or", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_or},
+#endif /* BITOPS */
{"print", Node_K_print, LEX_PRINT, 0, 0},
{"printf", Node_K_printf, LEX_PRINTF, 0, 0},
{"rand", Node_builtin, LEX_BUILTIN, NOT_OLD|A(0), do_rand},
{"return", Node_K_return, LEX_RETURN, NOT_OLD, 0},
+#ifdef BITOPS
+{"rshift", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_rshift},
+#endif /* BITOPS */
{"sin", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_sin},
{"split", Node_builtin, LEX_BUILTIN, A(2)|A(3), do_split},
{"sprintf", Node_builtin, LEX_BUILTIN, 0, do_sprintf},
{"sqrt", Node_builtin, LEX_BUILTIN, A(1), do_sqrt},
{"srand", Node_builtin, LEX_BUILTIN, NOT_OLD|A(0)|A(1), do_srand},
{"strftime", Node_builtin, LEX_BUILTIN, GAWKX|A(0)|A(1)|A(2), do_strftime},
+#ifdef BITOPS
+{"strtonum", Node_builtin, LEX_BUILTIN, GAWKX|A(1), do_strtonum},
+#endif /* BITOPS */
{"sub", Node_builtin, LEX_BUILTIN, NOT_OLD|A(2)|A(3), do_sub},
{"substr", Node_builtin, LEX_BUILTIN, A(2)|A(3), do_substr},
{"system", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_system},
@@ -2506,6 +2456,9 @@ static struct token tokentab[] = {
{"tolower", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_tolower},
{"toupper", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_toupper},
{"while", Node_K_while, LEX_WHILE, 0, 0},
+#ifdef BITOPS
+{"xor", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_xor},
+#endif /* BITOPS */
};
/* yyerror --- print a syntax error message, show where */
@@ -2590,11 +2543,13 @@ get_src_buf()
register char *scan;
static int len = 0;
static int did_newline = FALSE;
+ int newfile;
struct stat sbuf;
# define SLOP 128 /* enough space to hold most source lines */
again:
+ newfile = FALSE;
if (nextfile > numfiles)
return NULL;
@@ -2672,17 +2627,7 @@ again:
in, strerror(errno));
}
len = optimal_bufsize(fd, & sbuf);
- if (sbuf.st_size == 0) {
- static int warned = FALSE;
-
- if (do_lint && ! warned) {
- warned = TRUE;
- warning("source file `%s' is empty", source);
- }
- close(fd);
- ++nextfile;
- goto again;
- }
+ newfile = TRUE;
if (buf != NULL)
free(buf);
emalloc(buf, char *, len + SLOP, "get_src_buf");
@@ -2716,6 +2661,14 @@ again:
fatal("can't read sourcefile \"%s\" (%s)",
source, strerror(errno));
if (n == 0) {
+ if (newfile) {
+ static int warned = FALSE;
+
+ if (do_lint && ! warned) {
+ warned = TRUE;
+ warning("source file `%s' is empty", source);
+ }
+ }
close(fd);
samefile = FALSE;
nextfile++;
@@ -2819,6 +2772,7 @@ yylex()
static int did_newline = FALSE;
char *tokkey;
static int lasttok = 0, eof_warned = FALSE;
+ int inhex = FALSE;
if (nextc() == EOF) {
if (lasttok != NEWLINE) {
@@ -2984,8 +2938,10 @@ retry:
if (nextc() == '\n') {
sourceline++;
goto retry;
- } else
+ } else {
yyerror("backslash not last character on line");
+ exit(1);
+ }
break;
case '$':
@@ -3152,6 +3108,7 @@ retry:
if (c == '\n') {
pushback();
yyerror("unterminated string");
+ exit(1);
}
if (c == '\\') {
c = nextc();
@@ -3165,6 +3122,7 @@ retry:
if (c == EOF) {
pushback();
yyerror("unterminated string");
+ exit(1);
}
tokadd(c);
}
@@ -3207,6 +3165,15 @@ retry:
tokadd(c);
switch (c) {
+#ifdef BITOPS
+ case 'x':
+ case 'X':
+ if (do_traditional)
+ goto done;
+ if (tok == tokstart + 2)
+ inhex = TRUE;
+ break;
+#endif /* BITOTS */
case '.':
if (seen_point) {
gotnumber = TRUE;
@@ -3216,6 +3183,8 @@ retry:
break;
case 'e':
case 'E':
+ if (inhex)
+ break;
if (seen_e) {
gotnumber = TRUE;
break;
@@ -3226,6 +3195,21 @@ retry:
else
pushback();
break;
+#ifdef BITOPS
+ case 'a':
+ case 'A':
+ case 'b':
+ case 'B':
+ case 'c':
+ case 'C':
+ case 'D':
+ case 'd':
+ case 'f':
+ case 'F':
+ if (do_traditional || ! inhex)
+ goto done;
+ /* fall through */
+#endif
case '0':
case '1':
case '2':
@@ -3238,6 +3222,7 @@ retry:
case '9':
break;
default:
+ done:
gotnumber = TRUE;
}
if (gotnumber)
@@ -3251,6 +3236,11 @@ retry:
eof_warned = TRUE;
}
tokadd('\0');
+#ifdef BITOPS
+ if (! do_traditional && isnondecimal(tokstart))
+ yylval.nodeval = make_number(nondec2awknum(tokstart, strlen(tokstart)));
+ else
+#endif /* BITOPS */
yylval.nodeval = make_number(atof(tokstart));
yylval.nodeval->flags |= PERM;
return lasttok = YNUMBER;
@@ -3276,8 +3266,10 @@ retry:
return lasttok = '|';
}
- if (c != '_' && ! isalpha(c))
+ if (c != '_' && ! isalpha(c)) {
yyerror("Invalid char '%c' in expression\n", c);
+ exit(1);
+ }
/* it's some type of name-type-thing. Find its length. */
tok = tokstart;
@@ -3518,6 +3510,9 @@ NODE *func;
int count, i, j, dups;
NODE *params;
+ if (func == NULL) /* error earlier */
+ return TRUE;
+
fname = func->param;
count = func->param_cnt;
params = func->rnode;
@@ -3525,11 +3520,19 @@ NODE *func;
if (count == 0) /* no args, no problem */
return FALSE;
+ if (params == NULL) /* error earlier */
+ return TRUE;
+
emalloc(names, char **, count * sizeof(char *), "dup_parms");
i = 0;
- for (np = params; np != NULL; np = np->rnode)
+ for (np = params; np != NULL; np = np->rnode) {
+ if (np->param == NULL) { /* error earlier, give up, go home */
+ free(names);
+ return TRUE;
+ }
names[i++] = np->param;
+ }
dups = 0;
for (i = 1; i < count; i++) {