main.sa
上传用户:afrynkmhm
上传日期:2007-01-06
资源大小:1262k
文件大小:1k
- class MAIN is
- main ( args : ARRAY{STR} ) is
- if ( args.size < 2 ) then
- #OUT + "usage " + args[0] + " <filename>n";
- return;
- end;
-
- f : IFSTREAM := IFSTREAM::open_for_read( args[1] );
- if ( void(f) ) then
- #OUT + "file "" + args[1] + "" not foundn";
- return;
- end;
- protect
- lexer ::= #LANG_LEXER{ANTLR_COMMON_TOKEN}( f );
- parser ::= #LANG_PARSER{ANTLR_COMMON_TOKEN,ANTLR_COMMON_AST}( lexer );
- parser.block;
-
- t : ANTLR_COMMON_AST := parser.ast;
- #OUT + t.str_list + "n";
-
- walker ::= #LANG_WALKER{ANTLR_COMMON_AST};
- walker.block(t);
-
- #OUT + "done walkingn";
-
- when $ANTLR_EXCEPTION then
- #ERR + "exception: " + exception.str + "n";
- end;
-
- end;
- end;