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glcpp: Allow vertical tab and form feed characters in GLSL

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Of course, these aren't really useful for anything, but the GLSL language
specification does allow them:

	The source character set used for the OpenGL shading languages,
	outside of comments, is a subset of UTF-8. It includes the following
	characters:
	...

	White space: the space character, horizontal tab, vertical tab, form
	feed, carriage-return, and line- feed.

	[GLSL Language Specification 4.30.6, section 3.1]

So treat vertical tab ('\v' or ^K) and form-feed ('\f' or ^L) as horizontal
space characters.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Carl Worth
2014-08-05 16:33:03 -07:00
committed by Kenneth Graunke
parent 6c8762400d
commit 16b480547f
1 changed files with 1 additions and 1 deletions
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src/compiler/glsl/glcpp/glcpp-lex.l
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@@ -175,7 +175,7 @@ glcpp_lex_update_state_per_token (glcpp_parser_t *parser, int token)
SPACE [[:space:]]
NONSPACE [^[:space:]]
HSPACE [ \t]
HSPACE [ \t\v\f]
HASH #
NEWLINE (\r\n|\n\r|\r|\n)
IDENTIFIER [_a-zA-Z][_a-zA-Z0-9]*