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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/Token.h | |
parent | 6a60477b418e21dbadd3e62dc557a038e319581b (diff) | |
download | Doxygen-36122e49ed1d9e640b1ceca52536ec7c55e10474.zip Doxygen-36122e49ed1d9e640b1ceca52536ec7c55e10474.tar.gz Doxygen-36122e49ed1d9e640b1ceca52536ec7c55e10474.tar.bz2 |
New VHDL parser implementation
Diffstat (limited to 'vhdlparser/Token.h')
-rw-r--r-- | vhdlparser/Token.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/vhdlparser/Token.h b/vhdlparser/Token.h new file mode 100644 index 0000000..5fce69f --- /dev/null +++ b/vhdlparser/Token.h @@ -0,0 +1,116 @@ +/* Generated By:JavaCC: Do not edit this line. Token.h Version 6.0 */ +/* JavaCCOptions:STATIC=false,SUPPORT_CLASS_VISIBILITY_PUBLIC=true,TOKEN_INCLUDES=,TOKEN_EXTENDS= */ +#ifndef TOKEN_H +#define TOKEN_H +#include "JavaCC.h" + + +namespace vhdl { +namespace parser { + +/** + * Describes the input token stream. + */ + +class Token +{ + public: + + /** + * An integer that describes the kind of this token. This numbering + * system is determined by JavaCCParser, and a table of these numbers is + * stored in the file ...Constants.java. + */ + int kind; + + /** The line number of the first character of this Token. */ + int beginLine; + /** The column number of the first character of this Token. */ + int beginColumn; + /** The line number of the last character of this Token. */ + int endLine; + /** The column number of the last character of this Token. */ + int endColumn; + + /** + * The string image of the token. + */ + JAVACC_STRING_TYPE image; + + /** + * A reference to the next regular (non-special) token from the input + * stream. If this is the last token from the input stream, or if the + * token manager has not read tokens beyond this one, this field is + * set to NULL. This is true only if this token is also a regular + * token. Otherwise, see below for a description of the contents of + * this field. + */ + Token *next; + + /** + * This field is used to access special tokens that occur prior to this + * token, but after the immediately preceding regular (non-special) token. + * If there are no such special tokens, this field is set to NULL. + * When there are more than one such special token, this field refers + * to the last of these special tokens, which in turn refers to the next + * previous special token through its specialToken field, and so on + * until the first special token (whose specialToke_ field is NULL). + * The next fields of special tokens refer to other special tokens that + * immediately follow it (without an intervening regular token). If there + * is no such token, this field is NULL. + */ + Token *specialToken; + + /** + * An optional attribute value of the Token. + * Tokens which are not used as syntactic sugar will often contain + * meaningful values that will be used later on by the compiler or + * interpreter. This attribute value is often different from the image. + * Any subclass of Token that actually wants to return a non-NULL value can + * override this method as appropriate. + */ + void * getValue(); + + /** + * No-argument constructor + */ + Token(); + + /** + * Constructs a new token for the specified Image. + */ + Token(int kind); + + /** + * Constructs a new token for the specified Image and Kind. + */ + Token(int kind, JAVACC_STRING_TYPE image); + + /** + * Returns the image. + */ + JAVACC_STRING_TYPE toString(); + + public: virtual ~Token(); + + /** + * Returns a new Token void *, by default. However, if you want, you + * can create and return subclass objects based on the value of ofKind. + * Simply add the cases to the switch for all those special cases. + * For example, if you have a subclass of Token called IDToken that + * you want to create if ofKind is ID, simply add something like : + * + * case MyParserConstants.ID : return new IDToken(ofKind, image); + * + * to the following switch statement. Then you can cast matchedToken + * variable to the appropriate type and use sit in your lexical actions. + */ + static Token *newToken(int ofKind, JAVACC_STRING_TYPE image); + + static Token *newToken(int ofKind); +}; + +} +} +#endif +/* JavaCC - OriginalChecksum=2f5eb1c937adc983dfa2008c4fe383a7 (do not edit this line) */ |