From ed31a8173b85434c124d5627ae9265f6ea0c6c6a Mon Sep 17 00:00:00 2001 From: "James A. Morrison" Date: Fri, 5 Dec 2003 06:45:48 +0000 Subject: [PATCH] Patch from James Morrison * lex.l: Add \t as a whitespace character. * treelang.texi (Lexical Syntax): Document a tab as whitespace. From-SVN: r74311 --- gcc/treelang/ChangeLog | 3 +++ gcc/treelang/lex.l | 2 +- gcc/treelang/treelang.texi | 4 ++-- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/gcc/treelang/ChangeLog b/gcc/treelang/ChangeLog index 36865e31e1f..d017977a38b 100644 --- a/gcc/treelang/ChangeLog +++ b/gcc/treelang/ChangeLog @@ -1,5 +1,8 @@ 2003-12-04 James A. Morrison + * 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. diff --git a/gcc/treelang/lex.l b/gcc/treelang/lex.l index 364bf0208d4..12b211e5b2f 100644 --- a/gcc/treelang/lex.l +++ b/gcc/treelang/lex.l @@ -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); } diff --git a/gcc/treelang/treelang.texi b/gcc/treelang/treelang.texi index 77e520374ef..501c4bfca95 100644 --- a/gcc/treelang/treelang.texi +++ b/gcc/treelang/treelang.texi @@ -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.