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author | Dimitri van Heesch <dimitri@stack.nl> | 2014-07-27 14:31:34 (GMT) |
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committer | Dimitri van Heesch <dimitri@stack.nl> | 2014-08-02 10:05:26 (GMT) |
commit | 36122e49ed1d9e640b1ceca52536ec7c55e10474 (patch) | |
tree | c61b21164b0445eb23631aa812810f4712cd8f61 /vhdlparser/ParseException.h | |
parent | 6a60477b418e21dbadd3e62dc557a038e319581b (diff) | |
download | Doxygen-36122e49ed1d9e640b1ceca52536ec7c55e10474.zip Doxygen-36122e49ed1d9e640b1ceca52536ec7c55e10474.tar.gz Doxygen-36122e49ed1d9e640b1ceca52536ec7c55e10474.tar.bz2 |
New VHDL parser implementation
Diffstat (limited to 'vhdlparser/ParseException.h')
-rw-r--r-- | vhdlparser/ParseException.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/vhdlparser/ParseException.h b/vhdlparser/ParseException.h new file mode 100644 index 0000000..1f3a3dc --- /dev/null +++ b/vhdlparser/ParseException.h @@ -0,0 +1,99 @@ +/* Generated By:JavaCC: Do not edit this line. ParseException.h Version 6.0 */ +/* JavaCCOptions:STATIC=false,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */ +#ifndef _PARSE_EXCEPTION_H +#define _PARSE_EXCEPTION_H +#include "JavaCC.h" +#include "Token.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 generateParseException in the generated + * parser. + * + * You can modify this class to customize your error reporting + * mechanisms so long as you retain the fields. + */ +class ParseException { + public: + + /** + * 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. + */ + ParseException(Token currentTokenVal, + int** expectedTokenSequencesVal, + JAVACC_STRING_TYPE* 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(); + + /** Constructor with message. */ + 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. + */ + private: JAVACC_STRING_TYPE initialise(Token currentToken, + int** expectedTokenSequences, + JAVACC_STRING_TYPE* tokenImage); + + /** + * The end of line string 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 add_escapes(JAVACC_STRING_TYPE str); + +}; + +} +} +#endif +/* JavaCC - OriginalChecksum=8c47c56fc2030f05b43e20cae6ca5d66 (do not edit this line) */ |