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glsl: Switch from the deprecated YYLEX_PARAM to %lex-param.
YYLEX_PARAM is no longer supported as of Bison 3.0. Instead, the Bison
developers recommend using %lex-param.
%lex-param takes a type and variable name, similar to %parse-param,
so you can't pass an arbitrary expression like state->scanner. But Flex
insists on passing the actual scanner object, not an arbitrary object
like state.
To solve this, the parser defines a wrapper lex() function which accepts
"state," and calls Flex's lex() function with state->scanner.
Fixes the build with Bison 3.0. Also works with Bison 2.7.1.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67354
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Tested-by: Laurent Carlier <lordheavym@gmail.com>
Cc: "9.2" mesa-stable@lists.freedesktop.org