#define PST_CMDTOKEN 0x1000 /* command token OK - unused */
#define PST_COMPASSIGN 0x2000 /* parsing x=(...) compound assignment */
#define PST_ASSIGNOK 0x4000 /* assignment statement ok in this context */
+#define PST_REGEXP 0x8000 /* parsing an ERE/BRE as a single word */
/* Initial size to allocate for tokens, and the
amount to grow them by. */
return (character);
}
+ if (parser_state & PST_REGEXP)
+ goto tokword;
+
/* Shell meta-characters. */
if MBTEST(shellmeta (character) && ((parser_state & PST_DBLPAREN) == 0))
{
if MBTEST(character == '-' && (last_read_token == LESS_AND || last_read_token == GREATER_AND))
return (character);
+tokword:
/* Okay, if we got this far, we have to read a word. Read one,
and then check it against the known ones. */
result = read_token_word (character);
/* itrace("parse_matched_pair: open = %c close = %c", open, close); */
count = 1;
pass_next_character = backq_backslash = was_dollar = in_comment = 0;
- check_comment = (flags & P_COMMAND) && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0;
+ check_comment = (flags & P_COMMAND) && qc != '`' && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0;
/* RFLAGS is the set of flags we want to pass to recursive calls. */
rflags = (qc == '"') ? P_DQUOTE : (flags & P_DQUOTE);
if (tok == WORD && test_binop (yylval.word->word))
op = yylval.word;
#if defined (COND_REGEXP)
- else if (tok == WORD && STREQ (yylval.word->word,"=~"))
- op = yylval.word;
+ else if (tok == WORD && STREQ (yylval.word->word, "=~"))
+ {
+ op = yylval.word;
+ parser_state |= PST_REGEXP;
+ }
#endif
else if (tok == '<' || tok == '>')
op = make_word_from_token (tok); /* ( */
/* rhs */
tok = read_token (READ);
+ parser_state &= ~PST_REGEXP;
if (tok == WORD)
{
tright = make_cond_node (COND_TERM, yylval.word, (COND_COM *)NULL, (COND_COM *)NULL);
if (pass_next_character)
{
pass_next_character = 0;
- goto got_character;
+ goto got_escaped_character;
}
cd = current_delimiter (dstack);
goto next_character;
}
+#ifdef COND_REGEXP
+ /* When parsing a regexp as a single word inside a conditional command,
+ we need to special-case characters special to both the shell and
+ regular expressions. Right now, that is only '(' and '|'. */ /*)*/
+ if MBTEST((parser_state & PST_REGEXP) && (character == '(' || character == '|')) /*)*/
+ {
+ if (character == '|')
+ goto got_character;
+
+ push_delimiter (dstack, character);
+ ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
+ pop_delimiter (dstack);
+ if (ttok == &matched_pair_error)
+ return -1; /* Bail immediately. */
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+ token_buffer_size, TOKEN_DEFAULT_GROW_SIZE);
+ token[token_index++] = character;
+ strcpy (token + token_index, ttok);
+ token_index += ttoklen;
+ FREE (ttok);
+ dollar_present = all_digit_token = 0;
+ goto next_character;
+ }
+#endif /* COND_REGEXP */
+
#ifdef EXTENDED_GLOB
/* Parse a ksh-style extended pattern matching specification. */
- if (extended_glob && PATTERN_CHAR (character))
+ if MBTEST(extended_glob && PATTERN_CHAR (character))
{
peek_char = shell_getc (1);
if MBTEST(peek_char == '(') /* ) */
got_character:
- all_digit_token &= DIGIT (character);
- dollar_present |= character == '$';
-
if (character == CTLESC || character == CTLNUL)
token[token_index++] = CTLESC;
+ got_escaped_character:
+
+ all_digit_token &= DIGIT (character);
+ dollar_present |= character == '$';
+
token[token_index++] = character;
RESIZE_MALLOCED_BUFFER (token, token_index, 1, token_buffer_size,
if (promptvars || posixly_correct)
{
last_exit_value = last_command_exit_value;
- list = expand_prompt_string (result, Q_DOUBLE_QUOTES);
+ list = expand_prompt_string (result, Q_DOUBLE_QUOTES, 0);
free (result);
result = string_list (list);
dispose_words (list);