diff options
Diffstat (limited to 'vhdlparser/ParseException.cc')
| -rw-r--r-- | vhdlparser/ParseException.cc | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/vhdlparser/ParseException.cc b/vhdlparser/ParseException.cc new file mode 100644 index 0000000..31ee7a3 --- /dev/null +++ b/vhdlparser/ParseException.cc @@ -0,0 +1,186 @@ +/* Generated By:JavaCC: Do not edit this line. ParseException.cc Version 6.0 */ +/* JavaCCOptions:STATIC=false,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */ +#include "ParseException.h" + + +namespace vhdl { +namespace parser { +/** + * This exception is thrown when parse errors are encountered. + * You can explicitly create objects of this exception type by + * calling the method generate_ParseException in the generated + * parser. + * + * You can modify this class to customize your error reporting + * mechanisms so long as you retain the fields. + */ + + /** + * This constructor is used by the method "generate_ParseException" + * in the generated parser. Calling this constructor generates + * a new object of this type with the fields "currentToken", + * "expectedTokenSequences", and "tokenImage" set. + */ + ParseException::ParseException(Token currentTokenVal, + int** expectedTokenSequencesVal, + JAVACC_STRING_TYPE* tokenImageVal + ) + { + initialise(currentTokenVal, expectedTokenSequencesVal, tokenImageVal); + 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. + */ + + ParseException::ParseException() { + } + + /** Constructor with message. */ + ParseException::ParseException(JAVACC_STRING_TYPE 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. + */ + 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. + */ + 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 class. + */ + JAVACC_STRING_TYPE* 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. + */ + JAVACC_STRING_TYPE ParseException::initialise(Token currentToken, + int** expectedTokenSequences, + JAVACC_STRING_TYPE* tokenImage) { +#if 0 + //JAVACC_STRING_TYPE eol = System.getProperty("line.separator", "\n"); + expected = new JAVACC_STRING_TYPE(); + int maxSize = 0; + 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++) { + expected.append(tokenImage[expectedTokenSequences[i][j]]).append(' '); + } + if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) { + expected.append((JAVACC_CHAR_TYPE*)"..."); + } + expected.append(eol).append(" "); + } + JAVACC_STRING_TYPE retval = (JAVACC_CHAR_TYPE*)"Encountered \""; + Token tok = currentToken.next; + for (int i = 0; i < maxSize; i++) { + if (i != 0) retval += (JAVACC_CHAR_TYPE*)" "; + if (tok.kind == 0) { + retval += tokenImage[0]; + break; + } + retval += (JAVACC_CHAR_TYPE*)" " + tokenImage[tok.kind]; + retval += (JAVACC_CHAR_TYPE*)" \""; + retval += add_escapes(tok.image); + retval += (JAVACC_CHAR_TYPE*)" \""; + tok = tok.next; + } + retval += (JAVACC_CHAR_TYPE*)"\" at line " + currentToken.next.beginLine + (JAVACC_CHAR_TYPE*)", column " + currentToken.next.beginColumn; + retval += (JAVACC_CHAR_TYPE*)"." + eol; + if (expectedTokenSequences.length == 1) { + retval += (JAVACC_CHAR_TYPE*)"Was expecting:" + eol + (JAVACC_CHAR_TYPE*)" "; + } else { + retval += (JAVACC_CHAR_TYPE*)"Was expecting one of:" + eol + (JAVACC_CHAR_TYPE*)" "; + } + retval += expected.toString(); + return retval; +#endif + return (JAVACC_CHAR_TYPE*)"Parse exception"; + } + + /** + * The end of line JAVACC_STRING_TYPE for this machine. + */ +#define eol "\n" + + /** + * Used to convert raw characters to their escaped version + * when these raw version cannot be used as part of an ASCII + * string literal. + */ + JAVACC_STRING_TYPE ParseException::add_escapes(JAVACC_STRING_TYPE str) { +/* + JAVACC_STRING_TYPE *retval = new JAVACC_STRING_TYPE(); + JAVACC_CHAR_TYPE ch; + for (int i = 0; i < str.length(); i++) { + switch (str.charAt(i)) + { + case 0 : + continue; + 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) { + JAVACC_STRING_TYPE s = "0000" + Integer.toString(ch, 16); + retval.append("\\u" + s.substring(s.length() - 4, s.length())); + } else { + retval.append(ch); + } + continue; + } + } + return retval.toString(); +*/ return str; + } + +} +} +/* JavaCC - OriginalChecksum=99d488e13335cf377284c90700f070ed (do not edit this line) */ |