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Patch from James Morrison

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* lex.l: Add \t as a whitespace character.
* treelang.texi (Lexical Syntax): Document a tab as whitespace.

From-SVN: r74311
This commit is contained in:
James A. Morrison 2003-12-05 06:45:48 +00:00 committed by Jim Wilson
parent d15ae5d695
commit ed31a8173b
3 changed files with 6 additions and 3 deletions
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3
gcc/treelang/ChangeLog
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@ -1,5 +1,8 @@
2003-12-04 James A. Morrison <ja2morri@uwaterloo.ca>
* lex.l: Add \t as a whitespace character.
* treelang.texi (Lexical Syntax): Document a tab as whitespace.
* treelang.texi (What is GNU Treelang?): Fix a typo.
(Lexical Syntax): Create an itemize list of keywords. Add commas to
paragraph defining names.

2
gcc/treelang/lex.l
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@ -78,7 +78,7 @@ static void dump_lex_value (int lexret);
((struct prod_token_parm_item *)yylval)->tp.tok.charno = next_tree_charno;
}
[ \n]+ {
[ \n\t]+ {
update_lineno_charno ();
NOT_RETURN (WHITESPACE);
}

4
gcc/treelang/treelang.texi
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@ -399,8 +399,8 @@ Treelang programs consist of whitespace, comments, keywords and names.
@itemize @bullet
@item
Whitespace consists of the space character and the end of line
character. Tabs are not allowed. Line terminations are as defined by the
Whitespace consists of the space character, a tab, and the end of line
character. Line terminations are as defined by the
standard C library. Whitespace is ignored except within comments,
and where it separates parts of the program. In the example below, A and
B are two separate names separated by whitespace.