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OpenSolaris 2009.06 - man page for vgrindefs (opensolaris section 5)

vgrindefs(5)		       Standards, Environments, and Macros		     vgrindefs(5)

       vgrindefs - vgrind's language definition data base


       vgrindefs  contains  all language definitions for vgrind(1). Capabilities in vgrindefs are
       of two types: Boolean capabilities which indicate that the language  has  some  particular
       feature	and  string capabilities which give a regular expression or keyword list. Entries
       may continue onto multiple lines by giving a \ as the last  character  of  a  line.  Lines
       starting with # are comments.

       The following table names and describes each capability.

       | Name  |  Type	 |		  Description		      |
       |ab     | str	 |Regular  expression  for  the  start	of an |
       |       |	 |alternate form comment		      |
       |ae     | str	 |Regular expression for the end of an alter- |
       |       |	 |nate form comment			      |
       |bb     | str	 |Regular expression for the start of a block |
       |be     | str	 |Regular expression for the end of a lexical |
       |       |	 |block 				      |
       |cb     | str	 |Regular expression for the start of a  com- |
       |       |	 |ment					      |
       |ce     | str	 |Regular expression for the end of a comment |
       |id     | str	 |String giving characters other than letters |
       |       |	 |and digits that may legally occur in	iden- |
       |       |	 |tifiers (default `_') 		      |
       |kw     | str	 |A list of keywords separated by spaces      |
       |lb     | str	 |Regular expression for the start of a char- |
       |       |	 |acter constant			      |
       |le     | str	 |Regular expression for the end of a charac- |
       |       |	 |ter constant				      |
       |oc     | bool	 |Present  means  upper  and  lower  case are |
       |       |	 |equivalent				      |
       |pb     | str	 |Regular expression for start of a procedure |
       |pl     | bool	 |Procedure definitions  are  constrained  to |
       |       |	 |the lexical level matched by the `px' capa- |
       |       |	 |bility				      |
       |px     | str	 |A match for this regular  expression	indi- |
       |       |	 |cates  that procedure definitions may occur |
       |       |	 |at the next lexical level. Useful for lisp- |
       |       |	 |like	languages  in which procedure defini- |
       |       |	 |tions occur as subexpressions of defuns.    |
       |sb     | str	 |Regular  expression  for  the  start	of  a |
       |       |	 |string				      |
       |se     | str	 |Regular expression for the end of a string  |
       |tc     | str	 |Use  the  named  entry as a continuation of |
       |       |	 |this one				      |
       |tl     | bool	 |Present means procedures are	only  defined |
       |       |	 |at the top lexical level		      |

   Regular Expressions
       vgrindefs  uses	regular  expressions similar to those of ex(1) and lex(1). The characters
       `^', `$', `:', and `\' are reserved characters and must be `quoted' with a preceding \  if
       they are to be included as normal characters. The metasymbols and their meanings are:

       $      The end of a line

       ^      The beginning of a line

       \d     A delimiter (space, tab, newline, start of line)

       \a     Matches any string of symbols (like `.*' in lex)

       \p     Matches  any identifier. In a procedure definition (the `pb' capability) the string
	      that matches this symbol is used as the procedure name.

       ()     Grouping

       |      Alternation

       ?      Last item is optional

       \e     Preceding any string means that the string will not match an input  string  if  the
	      input  string  is  preceded  by an escape character (\). This is typically used for
	      languages (like C) that can include the string delimiter in a  string  by  escaping

       Unlike  other  regular  expressions  in	the system, these match words and not characters.
       Hence something like `(tramp|steamer)flies?' would match `tramp', `steamer', `trampflies',
       or  `steamerflies'.  Contrary  to  some forms of regular expressions, vgrindef alternation
       binds very tightly. Grouping parentheses are likely to be necessary in expressions involv-
       ing alternation.

   Keyword List
       The  keyword  list  is just a list of keywords in the language separated by spaces. If the
       `oc' boolean is specified, indicating that upper and lower case are equivalent,	then  all
       the keywords should be specified in lower case.

       Example 1 A sample program.

       The following entry, which describes the C language, is typical of a language entry.

	 C|c|the C programming language:\
	     :kw=asm auto break case char continue default do double else enum\
	     extern float for fortran goto if int long register return short\
	     sizeof static struct switch typedef union unsigned void while #define\
	     #else #endif #if #ifdef #ifndef #include #undef # define endif\
	     ifdef ifndef include undef defined:

       Note  that  the first field is just the language name (and any variants of it). Thus the C
       language could be specified to vgrind(1) as `c' or `C'.

       /usr/lib/vgrindefs    file containing vgrind descriptions

       ex(1), lex(1), troff(1), vgrind(1)

SunOS 5.11				   10 Aug 1994				     vgrindefs(5)

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