common_token.sa
上传用户:afrynkmhm
上传日期:2007-01-06
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文件大小:1k
- (*
- ANTLR Translator Generator
- Project led by Terence Parr at http://www.jGuru.com
- Software rights: http://www.antlr.org/RIGHTS.html
-
- $Id: //depot/code/org.antlr/release/antlr-2.7.0/lib/sather/Antlr/common_token.sa#1 $
- *)
- class ANTLR_COMMON_TOKEN < $ANTLR_TOKEN is
- -- constants
- const MIN_USER_TYPE : INT := 4;
- const NULL_TREE_LOOKAHEAD : INT := 3;
- const INVALID_TYPE : INT := 0;
- const EOF_TYPE : INT := 1;
- const SKIP : INT := -1;
- attr column : INT;
- attr line : INT;
- attr ttype : INT;
- attr text : STR;
- create : SAME is
- res : SAME := new;
- res.ttype := INVALID_TYPE;
- return res;
- end;
- create( t: INT ) : SAME is
- res : SAME := new;
- res.ttype := t;
- return res;
- end;
- create( t: INT , txt : STR ) : SAME is
- res : SAME := new;
- res.ttype := t;
- res.text := txt;
- return res;
- end;
- str: STR is
- return "["" + text + "",<" + ttype + ">,line=" + line + "]";
- end;
- invalid : BOOL is
- return ( ttype = INVALID_TYPE );
- end;
- end;