zsh/Src/lex.c

52  * zshlex() unless we have reached an error.  So it is always
83  * set when we detect a lookahead that stops the word from
98 /* inwhat says what exactly we are in     *
109 /* wb and we hold the beginning/end position of the word we are completing. */
112 mod_export int wb, we;
120  * If non-zero, we are parsing a line sent to use by the editor, or some
625 	/* we haven't got anything to unget */
667 /* Check whether we're looking at valid numeric globbing syntax      *
766      * is not normal command input: lexflags implies we are examining
804 		 * we don't want a newline token since it's
887 		     * Not math, so we don't return the contents
997     /* we've started a string, now get the *
1004  * When called from gettok(), with sub = 0, we have already identified
1006  * what we now know is a string.  However, the string may still include
1009  * When called from parse_subst_string() with sub = 1, we are not
1011  * In this case we always add characters to the parsed string
1152 		     * special at the start.  But now we're tokenising
1160 		     * thing we can do, without really nasty lookahead tricks,
1161 		     * is break if we find a blank after a parenthesis.  At
1167 		     * in a function definition, so we only do this
1186 		 * parentheses contains only space.  Then if we get to the
1187 		 * closing parenthesis and it is still set, we can assume we
1341 			 * Mostly we don't need to do anything special
1343 			 * inside $'...'; however in completion we
1460  * sub has got something to do with whether we are doing quoted substitution.
1600 	 * understand what that actually gets us, and we can't guarantee
1603 	 * We use the same feature in cmd_or_math where we actually do
1604 	 * need to unget if we decide it's really a command substitution.
1729      * Historical note: we used to check here for olen (the value of len
1731      * we stripped an RCQUOTE.
1757 	     * otherwise.  So we cheat by copying the unquoted string
1787     we = zlemetall + 1 - inbufct + (addedx == 2 ? 1 : 0);
1788     if (zlemetacs <= we) {