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Add CoPat stuff
[ghc-hetmet.git]
/
compiler
/
parser
/
Lexer.x
diff --git
a/compiler/parser/Lexer.x
b/compiler/parser/Lexer.x
index
f6863c6
..
0b02f41
100644
(file)
--- a/
compiler/parser/Lexer.x
+++ b/
compiler/parser/Lexer.x
@@
-216,6
+216,11
@@
$white_no_nl+ ;
"{-#" $whitechar* (INCLUDE|include) { lex_string_prag ITinclude_prag }
}
"{-#" $whitechar* (INCLUDE|include) { lex_string_prag ITinclude_prag }
}
+<0,option_prags,glaexts> {
+ -- This is to catch things like {-# OPTIONS OPTIONS_HUGS ...
+ "{-#" $whitechar* $idchar+ { nested_comment }
+}
+
-- '0' state: ordinary lexemes
-- 'glaexts' state: glasgow extensions (postfix '#', etc.)
-- '0' state: ordinary lexemes
-- 'glaexts' state: glasgow extensions (postfix '#', etc.)
@@
-583,6
+588,9
@@
reservedSymsFM = listToUFM $
,("→", ITrarrow, bit glaExtsBit)
,("←", ITlarrow, bit glaExtsBit)
,("⋯", ITdotdot, bit glaExtsBit)
,("→", ITrarrow, bit glaExtsBit)
,("←", ITlarrow, bit glaExtsBit)
,("⋯", ITdotdot, bit glaExtsBit)
+ -- ToDo: ideally, → and ∷ should be "specials", so that they cannot
+ -- form part of a large operator. This would let us have a better
+ -- syntax for kinds: ɑ∷*→* would be a legal kind signature. (maybe).
#endif
]
#endif
]