1 #set( $symbol_pound = '#' ) 2 #set( $symbol_dollar = '$' ) 3 #set( $symbol_escape = '\' ) 4 package ${package}; 5 6 import org.antlr.runtime.*; 7 8 /** 9 * The super class of the generated parser. It is extended by the generated 10 * code because of the superClass optoin in the .g file. 11 * 12 * This class contains any helper functions used within the parser 13 * grammar itself, as well as any overrides of the standard ANTLR Java 14 * runtime methods, such as an implementation of a custom error reporting 15 * method, symbol table populating methods and so on. 16 * 17 * @author Jim Idle - Temporal Wave LLC - jimi (at) temporal-wave.com 18 */ 19 public abstract class AbstractTParser 20 21 extends Parser 22 23 { 24 /** 25 * Create a new parser instance, pre-supplying the input token stream. 26 * 27 * @param input The stream of tokens that will be pulled from the lexer 28 */ 29 protected AbstractTParser(TokenStream input) { 30 super(input); 31 } 32 33 /** 34 * Create a new parser instance, pre-supplying the input token stream 35 * and the shared state. 36 * 37 * This is only used when a grammar is imported into another grammar, but 38 * we must supply this constructor to satisfy the super class contract. 39 * 40 * @param input The stream of tokesn that will be pulled from the lexer 41 * @param state The shared state object created by an interconnectd grammar 42 */ 43 protected AbstractTParser(TokenStream input, RecognizerSharedState state) { 44 super(input, state); 45 } 46 47 48 /** 49 * Creates the error/warning message that we need to show users/IDEs when 50 * ANTLR has found a parsing error, has recovered from it and is now 51 * telling us that a parsing exception occurred. 52 * 53 * @param tokenNames token names as known by ANTLR (which we ignore) 54 * @param e The exception that was thrown 55 */ 56 @Override 57 public void displayRecognitionError(String[] tokenNames, RecognitionException e) { 58 59 // This is just a place holder that shows how to override this method 60 // 61 super.displayRecognitionError(tokenNames, e); 62 } 63 } 64 65
