{
register char *s = PL_bufptr;
register char *d;
- register I32 tmp;
STRLEN len;
GV *gv = Nullgv;
GV **gvp = 0;
return yylex();
}
else {
+ I32 tmp;
if (strnEQ(s, "L\\u", 3) || strnEQ(s, "U\\l", 3))
tmp = *s, *s = s[2], s[2] = (char)tmp; /* misordered... */
if ((*s == 'L' || *s == 'U') &&
case '-':
if (s[1] && isALPHA(s[1]) && !isALNUM(s[2])) {
I32 ftst = 0;
+ char tmp;
s++;
PL_bufptr = s;
s = --PL_bufptr;
}
}
- tmp = *s++;
- if (*s == tmp) {
- s++;
+ {
+ const char tmp = *s++;
+ if (*s == tmp) {
+ s++;
+ if (PL_expect == XOPERATOR)
+ TERM(POSTDEC);
+ else
+ OPERATOR(PREDEC);
+ }
+ else if (*s == '>') {
+ s++;
+ s = skipspace(s);
+ if (isIDFIRST_lazy_if(s,UTF)) {
+ s = force_word(s,METHOD,FALSE,TRUE,FALSE);
+ TOKEN(ARROW);
+ }
+ else if (*s == '$')
+ OPERATOR(ARROW);
+ else
+ TERM(ARROW);
+ }
if (PL_expect == XOPERATOR)
- TERM(POSTDEC);
- else
- OPERATOR(PREDEC);
- }
- else if (*s == '>') {
- s++;
- s = skipspace(s);
- if (isIDFIRST_lazy_if(s,UTF)) {
- s = force_word(s,METHOD,FALSE,TRUE,FALSE);
- TOKEN(ARROW);
+ Aop(OP_SUBTRACT);
+ else {
+ if (isSPACE(*s) || !isSPACE(*PL_bufptr))
+ check_uni();
+ OPERATOR('-'); /* unary minus */
}
- else if (*s == '$')
- OPERATOR(ARROW);
- else
- TERM(ARROW);
- }
- if (PL_expect == XOPERATOR)
- Aop(OP_SUBTRACT);
- else {
- if (isSPACE(*s) || !isSPACE(*PL_bufptr))
- check_uni();
- OPERATOR('-'); /* unary minus */
}
case '+':
- tmp = *s++;
- if (*s == tmp) {
- s++;
+ {
+ const char tmp = *s++;
+ if (*s == tmp) {
+ s++;
+ if (PL_expect == XOPERATOR)
+ TERM(POSTINC);
+ else
+ OPERATOR(PREINC);
+ }
if (PL_expect == XOPERATOR)
- TERM(POSTINC);
- else
- OPERATOR(PREINC);
- }
- if (PL_expect == XOPERATOR)
- Aop(OP_ADD);
- else {
- if (isSPACE(*s) || !isSPACE(*PL_bufptr))
- check_uni();
- OPERATOR('+');
+ Aop(OP_ADD);
+ else {
+ if (isSPACE(*s) || !isSPACE(*PL_bufptr))
+ check_uni();
+ OPERATOR('+');
+ }
}
case '*':
Eop(OP_SMARTMATCH);
}
case ',':
- tmp = *s++;
- OPERATOR(tmp);
+ {
+ const char tmp = *s++;
+ OPERATOR(tmp);
+ }
case ':':
if (s[1] == ':') {
len = 0;
s = skipspace(s);
attrs = Nullop;
while (isIDFIRST_lazy_if(s,UTF)) {
+ I32 tmp;
d = scan_word(s, PL_tokenbuf, sizeof PL_tokenbuf, FALSE, &len);
if (isLOWER(*s) && (tmp = keyword(PL_tokenbuf, len))) {
if (tmp < 0) tmp = -tmp;
else if (s == d)
break; /* require real whitespace or :'s */
}
- tmp = (PL_expect == XOPERATOR ? '=' : '{'); /*'}(' for vi */
- if (*s != ';' && *s != '}' && *s != tmp && (tmp != '=' || *s != ')')) {
- const char q = ((*s == '\'') ? '"' : '\'');
- /* If here for an expression, and parsed no attrs, back off. */
- if (tmp == '=' && !attrs) {
- s = PL_bufptr;
- break;
+ {
+ const char tmp
+ = (PL_expect == XOPERATOR ? '=' : '{'); /*'}(' for vi */
+ if (*s != ';' && *s != '}' && *s != tmp
+ && (tmp != '=' || *s != ')')) {
+ const char q = ((*s == '\'') ? '"' : '\'');
+ /* If here for an expression, and parsed no attrs, back
+ off. */
+ if (tmp == '=' && !attrs) {
+ s = PL_bufptr;
+ break;
+ }
+ /* MUST advance bufptr here to avoid bogus "at end of line"
+ context messages from yyerror().
+ */
+ PL_bufptr = s;
+ yyerror( *s
+ ? Perl_form(aTHX_ "Invalid separator character "
+ "%c%c%c in attribute list", q, *s, q)
+ : "Unterminated attribute list" );
+ if (attrs)
+ op_free(attrs);
+ OPERATOR(':');
}
- /* MUST advance bufptr here to avoid bogus "at end of line"
- context messages from yyerror().
- */
- PL_bufptr = s;
- yyerror( *s
- ? Perl_form(aTHX_ "Invalid separator character %c%c%c in attribute list", q, *s, q)
- : "Unterminated attribute list" );
- if (attrs)
- op_free(attrs);
- OPERATOR(':');
}
got_attrs:
if (attrs) {
TOKEN('(');
case ';':
CLINE;
- tmp = *s++;
- OPERATOR(tmp);
+ {
+ const char tmp = *s++;
+ OPERATOR(tmp);
+ }
case ')':
- tmp = *s++;
- s = skipspace(s);
- if (*s == '{')
- PREBLOCK(tmp);
- TERM(tmp);
+ {
+ const char tmp = *s++;
+ s = skipspace(s);
+ if (*s == '{')
+ PREBLOCK(tmp);
+ TERM(tmp);
+ }
case ']':
s++;
if (PL_lex_brackets <= 0)
TOKEN(';');
case '&':
s++;
- tmp = *s++;
- if (tmp == '&')
+ if (*s++ == '&')
AOPERATOR(ANDAND);
s--;
if (PL_expect == XOPERATOR) {
case '|':
s++;
- tmp = *s++;
- if (tmp == '|')
+ if (*s++ == '|')
AOPERATOR(OROR);
s--;
BOop(OP_BIT_OR);
case '=':
s++;
- tmp = *s++;
- if (tmp == '=')
- Eop(OP_EQ);
- if (tmp == '>')
- OPERATOR(',');
- if (tmp == '~')
- PMop(OP_MATCH);
- if (tmp && isSPACE(*s) && ckWARN(WARN_SYNTAX) && strchr("+-*/%.^&|<",tmp))
- Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Reversed %c= operator",(int)tmp);
- s--;
- if (PL_expect == XSTATE && isALPHA(tmp) &&
- (s == PL_linestart+1 || s[-2] == '\n') )
{
- if (PL_in_eval && !PL_rsfp) {
- d = PL_bufend;
- while (s < d) {
- if (*s++ == '\n') {
- incline(s);
- if (strnEQ(s,"=cut",4)) {
- s = strchr(s,'\n');
- if (s)
- s++;
- else
- s = d;
- incline(s);
- goto retry;
+ const char tmp = *s++;
+ if (tmp == '=')
+ Eop(OP_EQ);
+ if (tmp == '>')
+ OPERATOR(',');
+ if (tmp == '~')
+ PMop(OP_MATCH);
+ if (tmp && isSPACE(*s) && ckWARN(WARN_SYNTAX)
+ && strchr("+-*/%.^&|<",tmp))
+ Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
+ "Reversed %c= operator",(int)tmp);
+ s--;
+ if (PL_expect == XSTATE && isALPHA(tmp) &&
+ (s == PL_linestart+1 || s[-2] == '\n') )
+ {
+ if (PL_in_eval && !PL_rsfp) {
+ d = PL_bufend;
+ while (s < d) {
+ if (*s++ == '\n') {
+ incline(s);
+ if (strnEQ(s,"=cut",4)) {
+ s = strchr(s,'\n');
+ if (s)
+ s++;
+ else
+ s = d;
+ incline(s);
+ goto retry;
+ }
+ }
}
+ goto retry;
}
+ s = PL_bufend;
+ PL_doextract = TRUE;
+ goto retry;
}
- goto retry;
- }
- s = PL_bufend;
- PL_doextract = TRUE;
- goto retry;
}
if (PL_lex_brackets < PL_lex_formbrack) {
const char *t;
OPERATOR(ASSIGNOP);
case '!':
s++;
- tmp = *s++;
- if (tmp == '=') {
- /* was this !=~ where !~ was meant?
- * warn on m:!=~\s+([/?]|[msy]\W|tr\W): */
-
- if (*s == '~' && ckWARN(WARN_SYNTAX)) {
- const char *t = s+1;
-
- while (t < PL_bufend && isSPACE(*t))
- ++t;
-
- if (*t == '/' || *t == '?' ||
- ((*t == 'm' || *t == 's' || *t == 'y') && !isALNUM(t[1])) ||
- (*t == 't' && t[1] == 'r' && !isALNUM(t[2])))
- Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
- "!=~ should be !~");
- }
- Eop(OP_NE);
- }
- if (tmp == '~')
- PMop(OP_NOT);
+ {
+ const char tmp = *s++;
+ if (tmp == '=') {
+ /* was this !=~ where !~ was meant?
+ * warn on m:!=~\s+([/?]|[msy]\W|tr\W): */
+
+ if (*s == '~' && ckWARN(WARN_SYNTAX)) {
+ const char *t = s+1;
+
+ while (t < PL_bufend && isSPACE(*t))
+ ++t;
+
+ if (*t == '/' || *t == '?' ||
+ ((*t == 'm' || *t == 's' || *t == 'y')
+ && !isALNUM(t[1])) ||
+ (*t == 't' && t[1] == 'r' && !isALNUM(t[2])))
+ Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
+ "!=~ should be !~");
+ }
+ Eop(OP_NE);
+ }
+ if (tmp == '~')
+ PMop(OP_NOT);
+ }
s--;
OPERATOR('!');
case '<':
TERM(sublex_start());
}
s++;
- tmp = *s++;
- if (tmp == '<')
- SHop(OP_LEFT_SHIFT);
- if (tmp == '=') {
- tmp = *s++;
- if (tmp == '>')
- Eop(OP_NCMP);
- s--;
- Rop(OP_LE);
+ {
+ char tmp = *s++;
+ if (tmp == '<')
+ SHop(OP_LEFT_SHIFT);
+ if (tmp == '=') {
+ tmp = *s++;
+ if (tmp == '>')
+ Eop(OP_NCMP);
+ s--;
+ Rop(OP_LE);
+ }
}
s--;
Rop(OP_LT);
case '>':
s++;
- tmp = *s++;
- if (tmp == '>')
- SHop(OP_RIGHT_SHIFT);
- if (tmp == '=')
- Rop(OP_GE);
+ {
+ const char tmp = *s++;
+ if (tmp == '>')
+ SHop(OP_RIGHT_SHIFT);
+ if (tmp == '=')
+ Rop(OP_GE);
+ }
s--;
Rop(OP_GT);
}
d = s;
- tmp = (I32)*s;
- if (PL_lex_state == LEX_NORMAL)
- s = skipspace(s);
+ {
+ const char tmp = *s;
+ if (PL_lex_state == LEX_NORMAL)
+ s = skipspace(s);
- if ((PL_expect != XREF || PL_oldoldbufptr == PL_last_lop) && intuit_more(s)) {
- if (*s == '[') {
- PL_tokenbuf[0] = '@';
- if (ckWARN(WARN_SYNTAX)) {
- char *t;
- for(t = s + 1;
- isSPACE(*t) || isALNUM_lazy_if(t,UTF) || *t == '$';
- t++) ;
- if (*t++ == ',') {
- PL_bufptr = skipspace(PL_bufptr);
- while (t < PL_bufend && *t != ']')
- t++;
- Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
- "Multidimensional syntax %.*s not supported",
- (t - PL_bufptr) + 1, PL_bufptr);
- }
- }
- }
- else if (*s == '{') {
- char *t;
- PL_tokenbuf[0] = '%';
- if (strEQ(PL_tokenbuf+1, "SIG") && ckWARN(WARN_SYNTAX)
- && (t = strchr(s, '}')) && (t = strchr(t, '=')))
- {
- char tmpbuf[sizeof PL_tokenbuf];
- for (t++; isSPACE(*t); t++) ;
- if (isIDFIRST_lazy_if(t,UTF)) {
- STRLEN len;
- t = scan_word(t, tmpbuf, sizeof tmpbuf, TRUE, &len);
- for (; isSPACE(*t); t++) ;
- if (*t == ';' && get_cv(tmpbuf, FALSE))
+ if ((PL_expect != XREF || PL_oldoldbufptr == PL_last_lop)
+ && intuit_more(s)) {
+ if (*s == '[') {
+ PL_tokenbuf[0] = '@';
+ if (ckWARN(WARN_SYNTAX)) {
+ char *t;
+ for(t = s + 1;
+ isSPACE(*t) || isALNUM_lazy_if(t,UTF) || *t == '$';
+ t++) ;
+ if (*t++ == ',') {
+ PL_bufptr = skipspace(PL_bufptr);
+ while (t < PL_bufend && *t != ']')
+ t++;
Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
- "You need to quote \"%s\"", tmpbuf);
+ "Multidimensional syntax %.*s not supported",
+ (t - PL_bufptr) + 1, PL_bufptr);
+ }
}
}
+ else if (*s == '{') {
+ char *t;
+ PL_tokenbuf[0] = '%';
+ if (strEQ(PL_tokenbuf+1, "SIG") && ckWARN(WARN_SYNTAX)
+ && (t = strchr(s, '}')) && (t = strchr(t, '=')))
+ {
+ char tmpbuf[sizeof PL_tokenbuf];
+ for (t++; isSPACE(*t); t++) ;
+ if (isIDFIRST_lazy_if(t,UTF)) {
+ STRLEN len;
+ t = scan_word(t, tmpbuf, sizeof tmpbuf, TRUE,
+ &len);
+ for (; isSPACE(*t); t++) ;
+ if (*t == ';' && get_cv(tmpbuf, FALSE))
+ Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
+ "You need to quote \"%s\"",
+ tmpbuf);
+ }
+ }
+ }
}
- }
- PL_expect = XOPERATOR;
- if (PL_lex_state == LEX_NORMAL && isSPACE((char)tmp)) {
- const bool islop = (PL_last_lop == PL_oldoldbufptr);
- if (!islop || PL_last_lop_op == OP_GREPSTART)
- PL_expect = XOPERATOR;
- else if (strchr("$@\"'`q", *s))
- PL_expect = XTERM; /* e.g. print $fh "foo" */
- else if (strchr("&*<%", *s) && isIDFIRST_lazy_if(s+1,UTF))
- PL_expect = XTERM; /* e.g. print $fh &sub */
- else if (isIDFIRST_lazy_if(s,UTF)) {
- char tmpbuf[sizeof PL_tokenbuf];
- scan_word(s, tmpbuf, sizeof tmpbuf, TRUE, &len);
- if ((tmp = keyword(tmpbuf, len))) {
- /* binary operators exclude handle interpretations */
- switch (tmp) {
- case -KEY_x:
- case -KEY_eq:
- case -KEY_ne:
- case -KEY_gt:
- case -KEY_lt:
- case -KEY_ge:
- case -KEY_le:
- case -KEY_cmp:
- break;
- default:
- PL_expect = XTERM; /* e.g. print $fh length() */
- break;
+ PL_expect = XOPERATOR;
+ if (PL_lex_state == LEX_NORMAL && isSPACE((char)tmp)) {
+ const bool islop = (PL_last_lop == PL_oldoldbufptr);
+ if (!islop || PL_last_lop_op == OP_GREPSTART)
+ PL_expect = XOPERATOR;
+ else if (strchr("$@\"'`q", *s))
+ PL_expect = XTERM; /* e.g. print $fh "foo" */
+ else if (strchr("&*<%", *s) && isIDFIRST_lazy_if(s+1,UTF))
+ PL_expect = XTERM; /* e.g. print $fh &sub */
+ else if (isIDFIRST_lazy_if(s,UTF)) {
+ char tmpbuf[sizeof PL_tokenbuf];
+ int t2;
+ scan_word(s, tmpbuf, sizeof tmpbuf, TRUE, &len);
+ if ((t2 = keyword(tmpbuf, len))) {
+ /* binary operators exclude handle interpretations */
+ switch (t2) {
+ case -KEY_x:
+ case -KEY_eq:
+ case -KEY_ne:
+ case -KEY_gt:
+ case -KEY_lt:
+ case -KEY_ge:
+ case -KEY_le:
+ case -KEY_cmp:
+ break;
+ default:
+ PL_expect = XTERM; /* e.g. print $fh length() */
+ break;
+ }
+ }
+ else {
+ PL_expect = XTERM; /* e.g. print $fh subr() */
}
}
- else {
- PL_expect = XTERM; /* e.g. print $fh subr() */
- }
+ else if (isDIGIT(*s))
+ PL_expect = XTERM; /* e.g. print $fh 3 */
+ else if (*s == '.' && isDIGIT(s[1]))
+ PL_expect = XTERM; /* e.g. print $fh .3 */
+ else if ((*s == '?' || *s == '-' || *s == '+')
+ && !isSPACE(s[1]) && s[1] != '=')
+ PL_expect = XTERM; /* e.g. print $fh -1 */
+ else if (*s == '/' && !isSPACE(s[1]) && s[1] != '='
+ && s[1] != '/')
+ PL_expect = XTERM; /* e.g. print $fh /.../
+ XXX except DORDOR operator
+ */
+ else if (*s == '<' && s[1] == '<' && !isSPACE(s[2])
+ && s[2] != '=')
+ PL_expect = XTERM; /* print $fh <<"EOF" */
}
- else if (isDIGIT(*s))
- PL_expect = XTERM; /* e.g. print $fh 3 */
- else if (*s == '.' && isDIGIT(s[1]))
- PL_expect = XTERM; /* e.g. print $fh .3 */
- else if ((*s == '?' || *s == '-' || *s == '+')
- && !isSPACE(s[1]) && s[1] != '=')
- PL_expect = XTERM; /* e.g. print $fh -1 */
- else if (*s == '/' && !isSPACE(s[1]) && s[1] != '=' && s[1] != '/')
- PL_expect = XTERM; /* e.g. print $fh /.../
- XXX except DORDOR operator */
- else if (*s == '<' && s[1] == '<' && !isSPACE(s[2]) && s[2] != '=')
- PL_expect = XTERM; /* print $fh <<"EOF" */
}
PL_pending_ident = '$';
TOKEN('$');
}
case '?': /* may either be conditional or pattern */
if(PL_expect == XOPERATOR) {
- tmp = *s++;
+ char tmp = *s++;
if(tmp == '?') {
OPERATOR('?');
}
goto rightbracket;
}
if (PL_expect == XOPERATOR || !isDIGIT(s[1])) {
- tmp = *s++;
+ char tmp = *s++;
if (*s == tmp) {
s++;
if (*s == tmp) {
case 'z': case 'Z':
keylookup: {
+ I32 tmp;
assert (orig_keyword == 0);
assert (gv == 0);
assert (gvp == 0);
https://perl5.git.perl.org / perl5.git / commitdiff