diff options
Diffstat (limited to 'javaparser-core/generated-sources/javacc/com/github/javaparser/ParseException.java')
| -rw-r--r-- | javaparser-core/generated-sources/javacc/com/github/javaparser/ParseException.java | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/javaparser-core/generated-sources/javacc/com/github/javaparser/ParseException.java b/javaparser-core/generated-sources/javacc/com/github/javaparser/ParseException.java new file mode 100644 index 000000000..5d25eae39 --- /dev/null +++ b/javaparser-core/generated-sources/javacc/com/github/javaparser/ParseException.java @@ -0,0 +1,235 @@ +/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 7.0 */ +/* JavaCCOptions:KEEP_LINE_COLUMN=true */ +/* + * Copyright (C) 2007-2010 Júlio Vilmar Gesser. + * Copyright (C) 2011, 2013-2016 The JavaParser Team. + * + * This file is part of JavaParser. + * + * JavaParser can be used either under the terms of + * a) the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * b) the terms of the Apache License + * + * You should have received a copy of both licenses in LICENCE.LGPL and + * LICENCE.APACHE. Please refer to those files for details. + * + * JavaParser is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + */ +package com.github.javaparser; + +/** + * This exception is thrown when parse errors are encountered. + * You can explicitly create objects of this exception type by + * calling the method generateParseException in the generated + * parser. + * + * You can modify this class to customize your error reporting + * mechanisms so long as you retain the public fields. + */ +public class ParseException extends Exception { + + /** + * The version identifier for this Serializable class. + * Increment only if the <i>serialized</i> form of the + * class changes. + */ + private static final long serialVersionUID = 1L; + + private static final String INDENT = " "; + + /** + * The end of line string (we do not use System.getProperty("") so that we are compatible with Android/GWT); + */ + protected static String EOL = "\n"; + + + public ParseException(Token currentTokenVal, + int[][] expectedTokenSequencesVal, + String[] tokenImageVal + ) + { + this (currentTokenVal, expectedTokenSequencesVal, tokenImageVal, null); + } + + + /** + * This constructor is used by the method "generateParseException" + * in the generated parser. Calling this constructor generates + * a new object of this type with the fields "currentToken", + * "expectedTokenSequences", and "tokenImage" set. + */ + public ParseException(Token currentTokenVal, + int[][] expectedTokenSequencesVal, + String[] tokenImageVal, + String lexicalStateName + ) + { + super(initialise(currentTokenVal, expectedTokenSequencesVal, tokenImageVal, lexicalStateName)); + currentToken = currentTokenVal; + expectedTokenSequences = expectedTokenSequencesVal; + tokenImage = tokenImageVal; + } + + /** + * The following constructors are for use by you for whatever + * purpose you can think of. Constructing the exception in this + * manner makes the exception behave in the normal way - i.e., as + * documented in the class "Throwable". The fields "errorToken", + * "expectedTokenSequences", and "tokenImage" do not contain + * relevant information. The JavaCC generated code does not use + * these constructors. + */ + + public ParseException() { + super(); + } + + /** Constructor with message. */ + public ParseException(String message) { + super(message); + } + + + /** + * This is the last token that has been consumed successfully. If + * this object has been created due to a parse error, the token + * followng this token will (therefore) be the first error token. + */ + public Token currentToken; + + /** + * Each entry in this array is an array of integers. Each array + * of integers represents a sequence of tokens (by their ordinal + * values) that is expected at this point of the parse. + */ + public int[][] expectedTokenSequences; + + /** + * This is a reference to the "tokenImage" array of the generated + * parser within which the parse error occurred. This array is + * defined in the generated ...Constants interface. + */ + public String[] tokenImage; + + /** + * It uses "currentToken" and "expectedTokenSequences" to generate a parse + * error message and returns it. If this object has been created + * due to a parse error, and you do not catch it (it gets thrown + * from the parser) the correct error message + * gets displayed. + */ + private static String initialise(Token currentToken, + int[][] expectedTokenSequences, + String[] tokenImage, + String lexicalStateName) { + StringBuilder sb = new StringBuilder(); + StringBuffer expected = new StringBuffer(); + + int maxSize = 0; + java.util.TreeSet<String> sortedOptions = new java.util.TreeSet<String>(); + for (int i = 0; i < expectedTokenSequences.length; i++) { + if (maxSize < expectedTokenSequences[i].length) { + maxSize = expectedTokenSequences[i].length; + } + for (int j = 0; j < expectedTokenSequences[i].length; j++) { + sortedOptions.add(tokenImage[expectedTokenSequences[i][j]]); + } + } + + for (String option : sortedOptions) { + expected.append(INDENT).append(option).append(EOL); + } + + sb.append("Encountered unexpected token:"); + + Token tok = currentToken.next; + for (int i = 0; i < maxSize; i++) { + String tokenText = tok.image; + String escapedTokenText = add_escapes(tokenText); + if (i != 0) { + sb.append(" "); + } + if (tok.kind == 0) { + sb.append(tokenImage[0]); + break; + } + sb.append(" \""); + sb.append(escapedTokenText); + sb.append("\""); + sb.append(" " + tokenImage[tok.kind]); + tok = tok.next; + } + sb.append(EOL).append(INDENT).append("at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn); + sb.append(".").append(EOL); + + if (expectedTokenSequences.length == 0) { + // Nothing to add here + } else { + int numExpectedTokens = expectedTokenSequences.length; + sb.append(EOL).append("Was expecting"+ (numExpectedTokens == 1 ? ":" : " one of:") + EOL + EOL); + sb.append(expected.toString()); + } + // 2013/07/30 --> Seems to be inaccurate as represents the readahead state, not the lexical state BEFORE the unknown token +// if (lexicalStateName != null) { +// sb.append(EOL).append("** Lexical State : ").append(lexicalStateName).append(EOL).append(EOL); +// } + + return sb.toString(); + } + + + /** + * Used to convert raw characters to their escaped version + * when these raw version cannot be used as part of an ASCII + * string literal. + */ + static String add_escapes(String str) { + StringBuffer retval = new StringBuffer(); + char ch; + for (int i = 0; i < str.length(); i++) { + switch (str.charAt(i)) + { + case '\b': + retval.append("\\b"); + continue; + case '\t': + retval.append("\\t"); + continue; + case '\n': + retval.append("\\n"); + continue; + case '\f': + retval.append("\\f"); + continue; + case '\r': + retval.append("\\r"); + continue; + case '\"': + retval.append("\\\""); + continue; + case '\'': + retval.append("\\\'"); + continue; + case '\\': + retval.append("\\\\"); + continue; + default: + if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { + String s = "0000" + Integer.toString(ch, 16); + retval.append("\\u" + s.substring(s.length() - 4, s.length())); + } else { + retval.append(ch); + } + continue; + } + } + return retval.toString(); + } + +} +/* JavaCC - OriginalChecksum=f4d1610e84d3d5884564259f96f1c24b (do not edit this line) */ |