@Test void missingColon() { final List<Token> tokens = Arrays.asList( new Token(REDUCTION, "reduction", 0), new Token(IDENTIFIER, "test", 0), new Token(IDENTIFIER, "x", 0), new Token(ARROW, "->", 0), new Token(IDENTIFIER, "x", 0), new Token(EOF, "", 0) ); final Parser parser = new Parser(tokens, errors::add); assertTrue(parser.parse().isEmpty()); final List<DslError> expectedErrors = Collections.singletonList(new UnexpectedToken( new Token(IDENTIFIER, "x", 0), COLON )); assertEquals(expectedErrors, errors); }
public List<PatternRule> parse() { if (used) { throw new IllegalStateException("Parser.parse can only be called once per instance"); } used = true; return rules(); }
Parser { public List<PatternRule> parse() { if (used) { throw new IllegalStateException("Parser.parse can only be called once per instance"); } used = true; return rules(); } }
Parser { public List<PatternRule> parse() { if (used) { throw new IllegalStateException("Parser.parse can only be called once per instance"); } used = true; return rules(); } Parser(final List<Token> tokens, final Consumer<? super DslError> errorReporter); }
Parser { public List<PatternRule> parse() { if (used) { throw new IllegalStateException("Parser.parse can only be called once per instance"); } used = true; return rules(); } Parser(final List<Token> tokens, final Consumer<? super DslError> errorReporter); List<PatternRule> parse(); Token getSubFunctionIdentifier(final SubFunctionPattern subFunction); }
Parser { public List<PatternRule> parse() { if (used) { throw new IllegalStateException("Parser.parse can only be called once per instance"); } used = true; return rules(); } Parser(final List<Token> tokens, final Consumer<? super DslError> errorReporter); List<PatternRule> parse(); Token getSubFunctionIdentifier(final SubFunctionPattern subFunction);  }