ash: shrink on top of previous change
function old new delta readtoken1 3201 3221 +20 xxreadtoken 306 313 +7 pungetc 13 12 -1 ash_main 1380 1379 -1 setinputfile 196 192 -4 plinno 4 - -4 parsenleft 4 - -4 parsenextc 4 - -4 parselleft 4 - -4 setinputstring 67 62 -5 pushstring 123 114 -9 pgetc 455 438 -17 pushfile 69 31 -38 popfile 114 76 -38 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 2/8 up/down: 27/-129) Total: -102 bytes text data bss dec hex filename 798750 564 7756 807070 c509e busybox_old 798664 560 7748 806972 c503c busybox_unstripped
This commit is contained in:
parent
727752d2d2
commit
41eb300ff6
237
shell/ash.c
237
shell/ash.c
@ -1033,8 +1033,8 @@ struct alias;
|
|||||||
|
|
||||||
struct strpush {
|
struct strpush {
|
||||||
struct strpush *prev; /* preceding string on stack */
|
struct strpush *prev; /* preceding string on stack */
|
||||||
char *prevstring;
|
char *prev_string;
|
||||||
int prevnleft;
|
int prev_left_in_line;
|
||||||
#if ENABLE_ASH_ALIAS
|
#if ENABLE_ASH_ALIAS
|
||||||
struct alias *ap; /* if push was associated with an alias */
|
struct alias *ap; /* if push was associated with an alias */
|
||||||
#endif
|
#endif
|
||||||
@ -1045,9 +1045,9 @@ struct parsefile {
|
|||||||
struct parsefile *prev; /* preceding file on stack */
|
struct parsefile *prev; /* preceding file on stack */
|
||||||
int linno; /* current line */
|
int linno; /* current line */
|
||||||
int fd; /* file descriptor (or -1 if string) */
|
int fd; /* file descriptor (or -1 if string) */
|
||||||
int nleft; /* number of chars left in this line */
|
int left_in_line; /* number of chars left in this line */
|
||||||
int lleft; /* number of chars left in this buffer */
|
int left_in_buffer; /* number of chars left in this buffer past the line */
|
||||||
char *nextc; /* next char in buffer */
|
char *next_to_pgetc; /* next char in buffer */
|
||||||
char *buf; /* input buffer */
|
char *buf; /* input buffer */
|
||||||
struct strpush *strpush; /* for pushing strings at this level */
|
struct strpush *strpush; /* for pushing strings at this level */
|
||||||
struct strpush basestrpush; /* so pushing one is fast */
|
struct strpush basestrpush; /* so pushing one is fast */
|
||||||
@ -9084,19 +9084,48 @@ enum {
|
|||||||
INPUT_NOFILE_OK = 2,
|
INPUT_NOFILE_OK = 2,
|
||||||
};
|
};
|
||||||
|
|
||||||
static int plinno = 1; /* input line number */
|
|
||||||
/* number of characters left in input buffer */
|
|
||||||
static int parsenleft; /* copy of parsefile->nleft */
|
|
||||||
static int parselleft; /* copy of parsefile->lleft */
|
|
||||||
/* next character in input buffer */
|
|
||||||
static char *parsenextc; /* copy of parsefile->nextc */
|
|
||||||
|
|
||||||
static smallint checkkwd;
|
static smallint checkkwd;
|
||||||
/* values of checkkwd variable */
|
/* values of checkkwd variable */
|
||||||
#define CHKALIAS 0x1
|
#define CHKALIAS 0x1
|
||||||
#define CHKKWD 0x2
|
#define CHKKWD 0x2
|
||||||
#define CHKNL 0x4
|
#define CHKNL 0x4
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Push a string back onto the input at this current parsefile level.
|
||||||
|
* We handle aliases this way.
|
||||||
|
*/
|
||||||
|
#if !ENABLE_ASH_ALIAS
|
||||||
|
#define pushstring(s, ap) pushstring(s)
|
||||||
|
#endif
|
||||||
|
static void
|
||||||
|
pushstring(char *s, struct alias *ap)
|
||||||
|
{
|
||||||
|
struct strpush *sp;
|
||||||
|
int len;
|
||||||
|
|
||||||
|
len = strlen(s);
|
||||||
|
INT_OFF;
|
||||||
|
if (g_parsefile->strpush) {
|
||||||
|
sp = ckzalloc(sizeof(*sp));
|
||||||
|
sp->prev = g_parsefile->strpush;
|
||||||
|
} else {
|
||||||
|
sp = &(g_parsefile->basestrpush);
|
||||||
|
}
|
||||||
|
g_parsefile->strpush = sp;
|
||||||
|
sp->prev_string = g_parsefile->next_to_pgetc;
|
||||||
|
sp->prev_left_in_line = g_parsefile->left_in_line;
|
||||||
|
#if ENABLE_ASH_ALIAS
|
||||||
|
sp->ap = ap;
|
||||||
|
if (ap) {
|
||||||
|
ap->flag |= ALIASINUSE;
|
||||||
|
sp->string = s;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
g_parsefile->next_to_pgetc = s;
|
||||||
|
g_parsefile->left_in_line = len;
|
||||||
|
INT_ON;
|
||||||
|
}
|
||||||
|
|
||||||
static void
|
static void
|
||||||
popstring(void)
|
popstring(void)
|
||||||
{
|
{
|
||||||
@ -9105,7 +9134,9 @@ popstring(void)
|
|||||||
INT_OFF;
|
INT_OFF;
|
||||||
#if ENABLE_ASH_ALIAS
|
#if ENABLE_ASH_ALIAS
|
||||||
if (sp->ap) {
|
if (sp->ap) {
|
||||||
if (parsenextc[-1] == ' ' || parsenextc[-1] == '\t') {
|
if (g_parsefile->next_to_pgetc[-1] == ' '
|
||||||
|
|| g_parsefile->next_to_pgetc[-1] == '\t'
|
||||||
|
) {
|
||||||
checkkwd |= CHKALIAS;
|
checkkwd |= CHKALIAS;
|
||||||
}
|
}
|
||||||
if (sp->string != sp->ap->val) {
|
if (sp->string != sp->ap->val) {
|
||||||
@ -9117,8 +9148,8 @@ popstring(void)
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
parsenextc = sp->prevstring;
|
g_parsefile->next_to_pgetc = sp->prev_string;
|
||||||
parsenleft = sp->prevnleft;
|
g_parsefile->left_in_line = sp->prev_left_in_line;
|
||||||
g_parsefile->strpush = sp->prev;
|
g_parsefile->strpush = sp->prev;
|
||||||
if (sp != &(g_parsefile->basestrpush))
|
if (sp != &(g_parsefile->basestrpush))
|
||||||
free(sp);
|
free(sp);
|
||||||
@ -9130,8 +9161,8 @@ preadfd(void)
|
|||||||
{
|
{
|
||||||
int nr;
|
int nr;
|
||||||
char *buf = g_parsefile->buf;
|
char *buf = g_parsefile->buf;
|
||||||
parsenextc = buf;
|
|
||||||
|
|
||||||
|
g_parsefile->next_to_pgetc = buf;
|
||||||
#if ENABLE_FEATURE_EDITING
|
#if ENABLE_FEATURE_EDITING
|
||||||
retry:
|
retry:
|
||||||
if (!iflag || g_parsefile->fd != STDIN_FILENO)
|
if (!iflag || g_parsefile->fd != STDIN_FILENO)
|
||||||
@ -9182,8 +9213,9 @@ preadfd(void)
|
|||||||
* Refill the input buffer and return the next input character:
|
* Refill the input buffer and return the next input character:
|
||||||
*
|
*
|
||||||
* 1) If a string was pushed back on the input, pop it;
|
* 1) If a string was pushed back on the input, pop it;
|
||||||
* 2) If an EOF was pushed back (parsenleft < -BIGNUM) or we are reading
|
* 2) If an EOF was pushed back (g_parsefile->left_in_line < -BIGNUM)
|
||||||
* from a string so we can't refill the buffer, return EOF.
|
* or we are reading from a string so we can't refill the buffer,
|
||||||
|
* return EOF.
|
||||||
* 3) If the is more stuff in this buffer, use it else call read to fill it.
|
* 3) If the is more stuff in this buffer, use it else call read to fill it.
|
||||||
* 4) Process input up to the next newline, deleting nul characters.
|
* 4) Process input up to the next newline, deleting nul characters.
|
||||||
*/
|
*/
|
||||||
@ -9197,8 +9229,10 @@ preadbuffer(void)
|
|||||||
|
|
||||||
while (g_parsefile->strpush) {
|
while (g_parsefile->strpush) {
|
||||||
#if ENABLE_ASH_ALIAS
|
#if ENABLE_ASH_ALIAS
|
||||||
if (parsenleft == -1 && g_parsefile->strpush->ap
|
if (g_parsefile->left_in_line == -1
|
||||||
&& parsenextc[-1] != ' ' && parsenextc[-1] != '\t'
|
&& g_parsefile->strpush->ap
|
||||||
|
&& g_parsefile->next_to_pgetc[-1] != ' '
|
||||||
|
&& g_parsefile->next_to_pgetc[-1] != '\t'
|
||||||
) {
|
) {
|
||||||
pgetc_debug("preadbuffer PEOA");
|
pgetc_debug("preadbuffer PEOA");
|
||||||
return PEOA;
|
return PEOA;
|
||||||
@ -9206,43 +9240,51 @@ preadbuffer(void)
|
|||||||
#endif
|
#endif
|
||||||
popstring();
|
popstring();
|
||||||
/* try "pgetc" now: */
|
/* try "pgetc" now: */
|
||||||
pgetc_debug("internal pgetc at %d:%p'%s'", parsenleft, parsenextc, parsenextc);
|
pgetc_debug("preadbuffer internal pgetc at %d:%p'%s'",
|
||||||
if (--parsenleft >= 0)
|
g_parsefile->left_in_line,
|
||||||
return signed_char2int(*parsenextc++);
|
g_parsefile->next_to_pgetc,
|
||||||
|
g_parsefile->next_to_pgetc);
|
||||||
|
if (--g_parsefile->left_in_line >= 0)
|
||||||
|
return (unsigned char)(*g_parsefile->next_to_pgetc++);
|
||||||
}
|
}
|
||||||
/* on both branches above parsenleft < 0.
|
/* on both branches above g_parsefile->left_in_line < 0.
|
||||||
* "pgetc" needs refilling.
|
* "pgetc" needs refilling.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
/* -90 is -BIGNUM. Below we use -99 to mark "EOF on read",
|
/* -90 is -BIGNUM. Below we use -99 to mark "EOF on read",
|
||||||
* pungetc() may decrement it a few times. -90 is enough.
|
* pungetc() may increment it a few times.
|
||||||
|
* Assuming it won't increment it to 0.
|
||||||
*/
|
*/
|
||||||
if (parsenleft < -90 || g_parsefile->buf == NULL) {
|
if (g_parsefile->left_in_line < -90 || g_parsefile->buf == NULL) {
|
||||||
pgetc_debug("preadbuffer PEOF1");
|
pgetc_debug("preadbuffer PEOF1");
|
||||||
/* even in failure keep them in lock step,
|
/* even in failure keep left_in_line and next_to_pgetc
|
||||||
* for correct pungetc. */
|
* in lock step, for correct multi-layer pungetc.
|
||||||
parsenextc++;
|
* left_in_line was decremented before preadbuffer(),
|
||||||
|
* must inc next_to_pgetc: */
|
||||||
|
g_parsefile->next_to_pgetc++;
|
||||||
return PEOF;
|
return PEOF;
|
||||||
}
|
}
|
||||||
|
|
||||||
more = parselleft;
|
more = g_parsefile->left_in_buffer;
|
||||||
if (more <= 0) {
|
if (more <= 0) {
|
||||||
flush_stdout_stderr();
|
flush_stdout_stderr();
|
||||||
again:
|
again:
|
||||||
more = preadfd();
|
more = preadfd();
|
||||||
if (more <= 0) {
|
if (more <= 0) {
|
||||||
parselleft = parsenleft = -99;
|
/* don't try reading again */
|
||||||
|
g_parsefile->left_in_line = -99;
|
||||||
pgetc_debug("preadbuffer PEOF2");
|
pgetc_debug("preadbuffer PEOF2");
|
||||||
parsenextc++;
|
g_parsefile->next_to_pgetc++;
|
||||||
return PEOF;
|
return PEOF;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Find out where's the end of line.
|
/* Find out where's the end of line.
|
||||||
* Set parsenleft/parselleft acordingly.
|
* Set g_parsefile->left_in_line
|
||||||
|
* and g_parsefile->left_in_buffer acordingly.
|
||||||
* NUL chars are deleted.
|
* NUL chars are deleted.
|
||||||
*/
|
*/
|
||||||
q = parsenextc;
|
q = g_parsefile->next_to_pgetc;
|
||||||
for (;;) {
|
for (;;) {
|
||||||
char c;
|
char c;
|
||||||
|
|
||||||
@ -9254,37 +9296,47 @@ preadbuffer(void)
|
|||||||
} else {
|
} else {
|
||||||
q++;
|
q++;
|
||||||
if (c == '\n') {
|
if (c == '\n') {
|
||||||
parsenleft = q - parsenextc - 1;
|
g_parsefile->left_in_line = q - g_parsefile->next_to_pgetc - 1;
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if (more <= 0) {
|
if (more <= 0) {
|
||||||
parsenleft = q - parsenextc - 1;
|
g_parsefile->left_in_line = q - g_parsefile->next_to_pgetc - 1;
|
||||||
if (parsenleft < 0)
|
if (g_parsefile->left_in_line < 0)
|
||||||
goto again;
|
goto again;
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
parselleft = more;
|
g_parsefile->left_in_buffer = more;
|
||||||
|
|
||||||
if (vflag) {
|
if (vflag) {
|
||||||
char save = *q;
|
char save = *q;
|
||||||
*q = '\0';
|
*q = '\0';
|
||||||
out2str(parsenextc);
|
out2str(g_parsefile->next_to_pgetc);
|
||||||
*q = save;
|
*q = save;
|
||||||
}
|
}
|
||||||
|
|
||||||
pgetc_debug("preadbuffer at %d:%p'%s'", parsenleft, parsenextc, parsenextc);
|
pgetc_debug("preadbuffer at %d:%p'%s'",
|
||||||
return signed_char2int(*parsenextc++);
|
g_parsefile->left_in_line,
|
||||||
|
g_parsefile->next_to_pgetc,
|
||||||
|
g_parsefile->next_to_pgetc);
|
||||||
|
return (unsigned char)(*g_parsefile->next_to_pgetc++);
|
||||||
}
|
}
|
||||||
|
|
||||||
#define pgetc_as_macro() (--parsenleft >= 0 ? signed_char2int(*parsenextc++) : preadbuffer())
|
#define pgetc_as_macro() \
|
||||||
|
(--g_parsefile->left_in_line >= 0 \
|
||||||
|
? (unsigned char)(*g_parsefile->next_to_pgetc++) \
|
||||||
|
: preadbuffer() \
|
||||||
|
)
|
||||||
|
|
||||||
static int
|
static int
|
||||||
pgetc(void)
|
pgetc(void)
|
||||||
{
|
{
|
||||||
pgetc_debug("pgetc at %d:%p'%s'", parsenleft, parsenextc, parsenextc);
|
pgetc_debug("pgetc_fast at %d:%p'%s'",
|
||||||
|
g_parsefile->left_in_line,
|
||||||
|
g_parsefile->next_to_pgetc,
|
||||||
|
g_parsefile->next_to_pgetc);
|
||||||
return pgetc_as_macro();
|
return pgetc_as_macro();
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -9303,6 +9355,10 @@ pgetc2(void)
|
|||||||
{
|
{
|
||||||
int c;
|
int c;
|
||||||
do {
|
do {
|
||||||
|
pgetc_debug("pgetc_fast at %d:%p'%s'",
|
||||||
|
g_parsefile->left_in_line,
|
||||||
|
g_parsefile->next_to_pgetc,
|
||||||
|
g_parsefile->next_to_pgetc);
|
||||||
c = pgetc_fast();
|
c = pgetc_fast();
|
||||||
} while (c == PEOA);
|
} while (c == PEOA);
|
||||||
return c;
|
return c;
|
||||||
@ -9343,45 +9399,12 @@ pfgets(char *line, int len)
|
|||||||
static void
|
static void
|
||||||
pungetc(void)
|
pungetc(void)
|
||||||
{
|
{
|
||||||
parsenleft++;
|
g_parsefile->left_in_line++;
|
||||||
parsenextc--;
|
g_parsefile->next_to_pgetc--;
|
||||||
pgetc_debug("pushed back to %d:%p'%s'", parsenleft, parsenextc, parsenextc);
|
pgetc_debug("pushed back to %d:%p'%s'",
|
||||||
}
|
g_parsefile->left_in_line,
|
||||||
|
g_parsefile->next_to_pgetc,
|
||||||
/*
|
g_parsefile->next_to_pgetc);
|
||||||
* Push a string back onto the input at this current parsefile level.
|
|
||||||
* We handle aliases this way.
|
|
||||||
*/
|
|
||||||
#if !ENABLE_ASH_ALIAS
|
|
||||||
#define pushstring(s, ap) pushstring(s)
|
|
||||||
#endif
|
|
||||||
static void
|
|
||||||
pushstring(char *s, struct alias *ap)
|
|
||||||
{
|
|
||||||
struct strpush *sp;
|
|
||||||
int len;
|
|
||||||
|
|
||||||
len = strlen(s);
|
|
||||||
INT_OFF;
|
|
||||||
if (g_parsefile->strpush) {
|
|
||||||
sp = ckzalloc(sizeof(*sp));
|
|
||||||
sp->prev = g_parsefile->strpush;
|
|
||||||
} else {
|
|
||||||
sp = &(g_parsefile->basestrpush);
|
|
||||||
}
|
|
||||||
g_parsefile->strpush = sp;
|
|
||||||
sp->prevstring = parsenextc;
|
|
||||||
sp->prevnleft = parsenleft;
|
|
||||||
#if ENABLE_ASH_ALIAS
|
|
||||||
sp->ap = ap;
|
|
||||||
if (ap) {
|
|
||||||
ap->flag |= ALIASINUSE;
|
|
||||||
sp->string = s;
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
parsenextc = s;
|
|
||||||
parsenleft = len;
|
|
||||||
INT_ON;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
@ -9393,10 +9416,6 @@ pushfile(void)
|
|||||||
{
|
{
|
||||||
struct parsefile *pf;
|
struct parsefile *pf;
|
||||||
|
|
||||||
g_parsefile->nleft = parsenleft;
|
|
||||||
g_parsefile->lleft = parselleft;
|
|
||||||
g_parsefile->nextc = parsenextc;
|
|
||||||
g_parsefile->linno = plinno;
|
|
||||||
pf = ckzalloc(sizeof(*pf));
|
pf = ckzalloc(sizeof(*pf));
|
||||||
pf->prev = g_parsefile;
|
pf->prev = g_parsefile;
|
||||||
pf->fd = -1;
|
pf->fd = -1;
|
||||||
@ -9418,10 +9437,6 @@ popfile(void)
|
|||||||
popstring();
|
popstring();
|
||||||
g_parsefile = pf->prev;
|
g_parsefile = pf->prev;
|
||||||
free(pf);
|
free(pf);
|
||||||
parsenleft = g_parsefile->nleft;
|
|
||||||
parselleft = g_parsefile->lleft;
|
|
||||||
parsenextc = g_parsefile->nextc;
|
|
||||||
plinno = g_parsefile->linno;
|
|
||||||
INT_ON;
|
INT_ON;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -9464,8 +9479,9 @@ setinputfd(int fd, int push)
|
|||||||
g_parsefile->fd = fd;
|
g_parsefile->fd = fd;
|
||||||
if (g_parsefile->buf == NULL)
|
if (g_parsefile->buf == NULL)
|
||||||
g_parsefile->buf = ckmalloc(IBUFSIZ);
|
g_parsefile->buf = ckmalloc(IBUFSIZ);
|
||||||
parselleft = parsenleft = 0;
|
g_parsefile->left_in_buffer = 0;
|
||||||
plinno = 1;
|
g_parsefile->left_in_line = 0;
|
||||||
|
g_parsefile->linno = 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
@ -9506,10 +9522,10 @@ setinputstring(char *string)
|
|||||||
{
|
{
|
||||||
INT_OFF;
|
INT_OFF;
|
||||||
pushfile();
|
pushfile();
|
||||||
parsenextc = string;
|
g_parsefile->next_to_pgetc = string;
|
||||||
parsenleft = strlen(string);
|
g_parsefile->left_in_line = strlen(string);
|
||||||
g_parsefile->buf = NULL;
|
g_parsefile->buf = NULL;
|
||||||
plinno = 1;
|
g_parsefile->linno = 1;
|
||||||
INT_ON;
|
INT_ON;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -10653,7 +10669,7 @@ readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
|
|||||||
(void) &prevsyntax;
|
(void) &prevsyntax;
|
||||||
(void) &syntax;
|
(void) &syntax;
|
||||||
#endif
|
#endif
|
||||||
startlinno = plinno;
|
startlinno = g_parsefile->linno;
|
||||||
bqlist = NULL;
|
bqlist = NULL;
|
||||||
quotef = 0;
|
quotef = 0;
|
||||||
oldstyle = 0;
|
oldstyle = 0;
|
||||||
@ -10681,7 +10697,7 @@ readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
|
|||||||
if (syntax == BASESYNTAX)
|
if (syntax == BASESYNTAX)
|
||||||
goto endword; /* exit outer loop */
|
goto endword; /* exit outer loop */
|
||||||
USTPUTC(c, out);
|
USTPUTC(c, out);
|
||||||
plinno++;
|
g_parsefile->linno++;
|
||||||
if (doprompt)
|
if (doprompt)
|
||||||
setprompt(2);
|
setprompt(2);
|
||||||
c = pgetc();
|
c = pgetc();
|
||||||
@ -10835,7 +10851,7 @@ readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
|
|||||||
if (syntax != BASESYNTAX && !parsebackquote && eofmark == NULL)
|
if (syntax != BASESYNTAX && !parsebackquote && eofmark == NULL)
|
||||||
raise_error_syntax("unterminated quoted string");
|
raise_error_syntax("unterminated quoted string");
|
||||||
if (varnest != 0) {
|
if (varnest != 0) {
|
||||||
startlinno = plinno;
|
startlinno = g_parsefile->linno;
|
||||||
/* { */
|
/* { */
|
||||||
raise_error_syntax("missing '}'");
|
raise_error_syntax("missing '}'");
|
||||||
}
|
}
|
||||||
@ -10890,7 +10906,7 @@ checkend: {
|
|||||||
continue;
|
continue;
|
||||||
if (*p == '\n' && *q == '\0') {
|
if (*p == '\n' && *q == '\0') {
|
||||||
c = PEOF;
|
c = PEOF;
|
||||||
plinno++;
|
g_parsefile->linno++;
|
||||||
needprompt = doprompt;
|
needprompt = doprompt;
|
||||||
} else {
|
} else {
|
||||||
pushstring(line, NULL);
|
pushstring(line, NULL);
|
||||||
@ -11166,7 +11182,7 @@ parsebackq: {
|
|||||||
case '\\':
|
case '\\':
|
||||||
pc = pgetc();
|
pc = pgetc();
|
||||||
if (pc == '\n') {
|
if (pc == '\n') {
|
||||||
plinno++;
|
g_parsefile->linno++;
|
||||||
if (doprompt)
|
if (doprompt)
|
||||||
setprompt(2);
|
setprompt(2);
|
||||||
/*
|
/*
|
||||||
@ -11189,11 +11205,11 @@ parsebackq: {
|
|||||||
#if ENABLE_ASH_ALIAS
|
#if ENABLE_ASH_ALIAS
|
||||||
case PEOA:
|
case PEOA:
|
||||||
#endif
|
#endif
|
||||||
startlinno = plinno;
|
startlinno = g_parsefile->linno;
|
||||||
raise_error_syntax("EOF in backquote substitution");
|
raise_error_syntax("EOF in backquote substitution");
|
||||||
|
|
||||||
case '\n':
|
case '\n':
|
||||||
plinno++;
|
g_parsefile->linno++;
|
||||||
needprompt = doprompt;
|
needprompt = doprompt;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
@ -11334,7 +11350,7 @@ xxreadtoken(void)
|
|||||||
if (needprompt) {
|
if (needprompt) {
|
||||||
setprompt(2);
|
setprompt(2);
|
||||||
}
|
}
|
||||||
startlinno = plinno;
|
startlinno = g_parsefile->linno;
|
||||||
for (;;) { /* until token or start of word found */
|
for (;;) { /* until token or start of word found */
|
||||||
c = pgetc_fast();
|
c = pgetc_fast();
|
||||||
if (c == ' ' || c == '\t' USE_ASH_ALIAS( || c == PEOA))
|
if (c == ' ' || c == '\t' USE_ASH_ALIAS( || c == PEOA))
|
||||||
@ -11349,7 +11365,7 @@ xxreadtoken(void)
|
|||||||
pungetc();
|
pungetc();
|
||||||
break; /* return readtoken1(...) */
|
break; /* return readtoken1(...) */
|
||||||
}
|
}
|
||||||
startlinno = ++plinno;
|
startlinno = ++g_parsefile->linno;
|
||||||
if (doprompt)
|
if (doprompt)
|
||||||
setprompt(2);
|
setprompt(2);
|
||||||
} else {
|
} else {
|
||||||
@ -11358,7 +11374,7 @@ xxreadtoken(void)
|
|||||||
p = xxreadtoken_chars + sizeof(xxreadtoken_chars) - 1;
|
p = xxreadtoken_chars + sizeof(xxreadtoken_chars) - 1;
|
||||||
if (c != PEOF) {
|
if (c != PEOF) {
|
||||||
if (c == '\n') {
|
if (c == '\n') {
|
||||||
plinno++;
|
g_parsefile->linno++;
|
||||||
needprompt = doprompt;
|
needprompt = doprompt;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -11400,7 +11416,7 @@ xxreadtoken(void)
|
|||||||
if (needprompt) {
|
if (needprompt) {
|
||||||
setprompt(2);
|
setprompt(2);
|
||||||
}
|
}
|
||||||
startlinno = plinno;
|
startlinno = g_parsefile->linno;
|
||||||
for (;;) { /* until token or start of word found */
|
for (;;) { /* until token or start of word found */
|
||||||
c = pgetc_fast();
|
c = pgetc_fast();
|
||||||
switch (c) {
|
switch (c) {
|
||||||
@ -11416,7 +11432,7 @@ xxreadtoken(void)
|
|||||||
continue;
|
continue;
|
||||||
case '\\':
|
case '\\':
|
||||||
if (pgetc() == '\n') {
|
if (pgetc() == '\n') {
|
||||||
startlinno = ++plinno;
|
startlinno = ++g_parsefile->linno;
|
||||||
if (doprompt)
|
if (doprompt)
|
||||||
setprompt(2);
|
setprompt(2);
|
||||||
continue;
|
continue;
|
||||||
@ -11424,7 +11440,7 @@ xxreadtoken(void)
|
|||||||
pungetc();
|
pungetc();
|
||||||
goto breakloop;
|
goto breakloop;
|
||||||
case '\n':
|
case '\n':
|
||||||
plinno++;
|
g_parsefile->linno++;
|
||||||
needprompt = doprompt;
|
needprompt = doprompt;
|
||||||
RETURN(TNL);
|
RETURN(TNL);
|
||||||
case PEOF:
|
case PEOF:
|
||||||
@ -13454,7 +13470,7 @@ static void
|
|||||||
init(void)
|
init(void)
|
||||||
{
|
{
|
||||||
/* from input.c: */
|
/* from input.c: */
|
||||||
basepf.nextc = basepf.buf = basebuf;
|
basepf.next_to_pgetc = basepf.buf = basebuf;
|
||||||
|
|
||||||
/* from trap.c: */
|
/* from trap.c: */
|
||||||
signal(SIGCHLD, SIG_DFL);
|
signal(SIGCHLD, SIG_DFL);
|
||||||
@ -13575,7 +13591,8 @@ reset(void)
|
|||||||
evalskip = 0;
|
evalskip = 0;
|
||||||
loopnest = 0;
|
loopnest = 0;
|
||||||
/* from input.c: */
|
/* from input.c: */
|
||||||
parselleft = parsenleft = 0; /* clear input buffer */
|
g_parsefile->left_in_buffer = 0;
|
||||||
|
g_parsefile->left_in_line = 0; /* clear input buffer */
|
||||||
popallfiles();
|
popallfiles();
|
||||||
/* from parser.c: */
|
/* from parser.c: */
|
||||||
tokpushback = 0;
|
tokpushback = 0;
|
||||||
|
Loading…
Reference in New Issue
Block a user