/** * Given a token type, get a meaningful name for it such as the ID or string literal. If this is a * lexer and the ttype is in the char vocabulary, compute an ANTLR-valid (possibly escaped) char * literal. */ public String getTokenDisplayName(int ttype) { // inside any target's char range and is lexer grammar? if (isLexer() && ttype >= Lexer.MIN_CHAR_VALUE && ttype <= Lexer.MAX_CHAR_VALUE) { return CharSupport.getANTLRCharLiteralForChar(ttype); } if (ttype == Token.EOF) { return "EOF"; } if (ttype == Token.INVALID_TYPE) { return INVALID_TOKEN_NAME; } if (ttype >= 0 && ttype < typeToStringLiteralList.size() && typeToStringLiteralList.get(ttype) != null) { return typeToStringLiteralList.get(ttype); } if (ttype >= 0 && ttype < typeToTokenList.size() && typeToTokenList.get(ttype) != null) { return typeToTokenList.get(ttype); } return String.valueOf(ttype); }
/** * Given a token type, get a meaningful name for it such as the ID or string literal. If this is a * lexer and the ttype is in the char vocabulary, compute an ANTLR-valid (possibly escaped) char * literal. */ public String getTokenDisplayName(int ttype) { String tokenName = null; // inside any target's char range and is lexer grammar? if (isLexer() && ttype >= Lexer.MIN_CHAR_VALUE && ttype <= Lexer.MAX_CHAR_VALUE) { return CharSupport.getANTLRCharLiteralForChar(ttype); } else if (ttype == Token.EOF) { tokenName = "EOF"; } else { if (ttype < typeToTokenList.size()) { tokenName = typeToTokenList.get(ttype); if (tokenName != null && tokenName.startsWith(AUTO_GENERATED_TOKEN_NAME_PREFIX) && ttype < typeToStringLiteralList.size() && typeToStringLiteralList.get(ttype) != null) { tokenName = typeToStringLiteralList.get(ttype); } } else { tokenName = String.valueOf(ttype); } } // tool.log("grammar", "getTokenDisplayName ttype="+ttype+", name="+tokenName); return tokenName; }