MismatchedCharException.cpp
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上传日期:2007-01-06
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- /**
- * <b>SOFTWARE RIGHTS</b>
- * <p>
- * ANTLR 2.6.0 MageLang Insitute, 1999
- * <p>
- * We reserve no legal rights to the ANTLR--it is fully in the
- * public domain. An individual or company may do whatever
- * they wish with source code distributed with ANTLR or the
- * code generated by ANTLR, including the incorporation of
- * ANTLR, or its output, into commerical software.
- * <p>
- * We encourage users to develop software with ANTLR. However,
- * we do ask that credit is given to us for developing
- * ANTLR. By "credit", we mean that if you use ANTLR or
- * incorporate any source code into one of your programs
- * (commercial product, research project, or otherwise) that
- * you acknowledge this fact somewhere in the documentation,
- * research report, etc... If you like ANTLR and have
- * developed a nice tool with the output, please mention that
- * you developed it using ANTLR. In addition, we ask that the
- * headers remain intact in our source code. As long as these
- * guidelines are kept, we expect to continue enhancing this
- * system and expect to make other tools available as they are
- * completed.
- * <p>
- * The ANTLR gang:
- * @version ANTLR 2.6.0 MageLang Insitute, 1999
- * @author Terence Parr, <a href=http://www.MageLang.com>MageLang Institute</a>
- * @author <br>John Lilley, <a href=http://www.Empathy.com>Empathy Software</a>
- * @author <br><a href="mailto:pete@yamuna.demon.co.uk">Pete Wells</a>
- */
- #include "antlr/MismatchedCharException.hpp"
- #include "antlr/String.hpp"
- ANTLR_BEGIN_NAMESPACE(antlr)
- MismatchedCharException::MismatchedCharException()
- : RecognitionException("Mismatched char")
- {}
- // Expected range / not range
- MismatchedCharException::MismatchedCharException(
- int c,
- int lower,
- int upper_,
- bool matchNot,
- CharScanner* scanner_
- ) : RecognitionException("Mismatched char")
- , foundChar(c)
- , expecting(lower)
- , upper(upper_)
- {
- // get instantaneous values of file/line/column
- scanner = scanner_;
- line = scanner->getLine();
- fileName = scanner->getFilename();
- column = scanner->getColumn();
- mismatchType = matchNot ? NOT_RANGE : RANGE;
- }
- // Expected token / not token
- MismatchedCharException::MismatchedCharException(
- int c,
- int expecting_,
- bool matchNot,
- CharScanner* scanner_
- ) : RecognitionException("Mismatched char")
- , foundChar(c)
- , expecting(expecting_)
- {
- // get instantaneous values of file/line/column
- scanner = scanner_;
- line = scanner->getLine();
- fileName = scanner->getFilename();
- column = scanner->getColumn();
- mismatchType = matchNot ? NOT_CHAR : CHAR;
- }
- // Expected BitSet / not BitSet
- MismatchedCharException::MismatchedCharException(
- int c,
- BitSet set_,
- bool matchNot,
- CharScanner* scanner_
- ) : RecognitionException("Mismatched char")
- , foundChar(c)
- , set(set_)
- {
- // get instantaneous values of file/line/column
- scanner = scanner_;
- line = scanner->getLine();
- fileName = scanner->getFilename();
- column = scanner->getColumn();
- mismatchType = matchNot ? NOT_SET : SET;
- }
- MismatchedCharException::MismatchedCharException(
- const ANTLR_USE_NAMESPACE(std)string& s,
- int line
- ) : RecognitionException(s)
- {
- }
- /**
- * Returns the error message that happened on the line/col given.
- * Copied from toString().
- */
- ANTLR_USE_NAMESPACE(std)string MismatchedCharException::getMessage() const
- {
- ANTLR_USE_NAMESPACE(std)string s;
- switch (mismatchType) {
- case CHAR :
- s += "expecting '" + charName(expecting) + "', found '" + charName(foundChar) + "'";
- break;
- case NOT_CHAR :
- s += "expecting anything but '" + charName(expecting) + "'; got it anyway";
- break;
- case RANGE :
- s += "expecting token in range: '" + charName(expecting) + "'..'" + charName(upper) + "', found '" + charName(foundChar) + "'";
- break;
- case NOT_RANGE :
- s += "expecting token NOT in range: " + charName(expecting) + "'..'" + charName(upper) + "', found '" + charName(foundChar) + "'";
- break;
- case SET :
- case NOT_SET :
- {
- s += ANTLR_USE_NAMESPACE(std)string("expecting ") + (mismatchType == NOT_SET ? "NOT " : "") + "one of (";
- ANTLR_USE_NAMESPACE(std)vector<int> elems = set.toArray();
- for (int i = 0; i < (int) elems.size(); i++) {
- s += " '";
- s += charName(elems[i]);
- s += "'";
- }
- s += "), found '" + charName(foundChar) + "'";
- }
- break;
- default :
- s += RecognitionException::getMessage();
- break;
- }
- return s;
- }
- ANTLR_END_NAMESPACE