40     Lexer::Token token = lexer_.ReadToken();  in Parse()
42     case Lexer::BUILD: {  in Parse()
49     case Lexer::IDENT: {  in Parse()
52         return lexer_.Error(string("unexpected ") + Lexer::TokenName(token),  in Parse()
59     case Lexer::ERROR:  in Parse()
61     case Lexer::TEOF:  in Parse()
65     case Lexer::NEWLINE:  in Parse()
68       return lexer_.Error(string("unexpected ") + Lexer::TokenName(token),  in Parse()
97   if (!ExpectToken(Lexer::EQUALS, err))  in ParseLet()
142   if (lexer_.PeekToken(Lexer::PIPE)) {  in ParseEdge()
153   if (!ExpectToken(Lexer::COLON, err))  in ParseEdge()
171   if (lexer_.PeekToken(Lexer::PIPE)) {  in ParseEdge()
183   if (lexer_.PeekToken(Lexer::PIPE2))  in ParseEdge()
186   if (!ExpectToken(Lexer::NEWLINE, err))  in ParseEdge()
189   if (lexer_.PeekToken(Lexer::INDENT)) {  in ParseEdge()