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comparison src/luan/interp/LuanParser.java @ 139:3b384dc5ca91

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replace WebShell.java with web_shell.luan git-svn-id: https://luan-java.googlecode.com/svn/trunk@140 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 13 Jun 2014 12:26:44 +0000
parents 573ce091ae00
children dfd0f33b584e
comparison
equal deleted inserted replaced
138:06159094b802 139:3b384dc5ca91
421 421
422 private List<String> RequiredNameList(In in) throws ParseException { 422 private List<String> RequiredNameList(In in) throws ParseException {
423 parser.begin(); 423 parser.begin();
424 List<String> names = NameList(in); 424 List<String> names = NameList(in);
425 if( names==null ) 425 if( names==null )
426 parser.exception("Name expected"); 426 throw parser.exception("Name expected");
427 return parser.success(names); 427 return parser.success(names);
428 } 428 }
429 429
430 private List<String> NameList(In in) throws ParseException { 430 private List<String> NameList(In in) throws ParseException {
431 String name = Name(in); 431 String name = Name(in);
432 if( name==null ) 432 if( name==null )
433 return null; 433 return null;
434 List<String> names = new ArrayList<String>(); 434 List<String> names = new ArrayList<String>();
435 names.add(name); 435 names.add(name);
436 while( parser.match( ',' ) ) { 436 while( (name=anotherName(in)) != null ) {
437 Spaces(in); 437 names.add(name);
438 names.add( RequiredName(in) );
439 } 438 }
440 return names; 439 return names;
440 }
441
442 private String anotherName(In in) throws ParseException {
443 parser.begin();
444 if( !parser.match( ',' ) )
445 return parser.failure(null);
446 Spaces(in);
447 String name = Name(in);
448 if( name==null )
449 return parser.failure(null);
450 return parser.success(name);
441 } 451 }
442 452
443 private Stmt WhileStmt() throws ParseException { 453 private Stmt WhileStmt() throws ParseException {
444 parser.begin(); 454 parser.begin();
445 if( !Keyword("while",In.NOTHING) ) 455 if( !Keyword("while",In.NOTHING) )
1002 1012
1003 private String RequiredName(In in) throws ParseException { 1013 private String RequiredName(In in) throws ParseException {
1004 parser.begin(); 1014 parser.begin();
1005 String name = Name(in); 1015 String name = Name(in);
1006 if( name==null ) 1016 if( name==null )
1007 parser.exception("Name expected"); 1017 throw parser.exception("Name expected");
1008 return parser.success(name); 1018 return parser.success(name);
1009 } 1019 }
1010 1020
1011 private String Name(In in) throws ParseException { 1021 private String Name(In in) throws ParseException {
1012 int start = parser.begin(); 1022 int start = parser.begin();