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Added support for unions as a step towards lowering ADTs in the next pass to be written.

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Nathan Braswell
2016-06-15 22:26:03 -07:00
parent d44293a48b
commit 4de7dd1210
8 changed files with 55 additions and 13 deletions
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krakenGrammer.kgm
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@@ -83,9 +83,8 @@ opt_parameter_list = parameter_list | ;
parameter_list = parameter_list WS "," WS parameter | parameter ;
parameter = boolean_expression ;
def_nonterm = "def" ;
obj_nonterm = "obj" ;
type_def = def_nonterm WS identifier WS type | obj_nonterm WS identifier WS template_dec WS "{" WS declaration_block WS "}" | obj_nonterm WS identifier WS "{" WS declaration_block WS "}" | obj_nonterm WS identifier WS template_dec WS traits WS "{" WS declaration_block WS "}" | obj_nonterm WS identifier WS traits WS "{" WS declaration_block WS "}" ;
obj_nonterm = "obj" | "uni" ;
type_def = obj_nonterm WS identifier WS template_dec WS "{" WS declaration_block WS "}" | obj_nonterm WS identifier WS "{" WS declaration_block WS "}" | obj_nonterm WS identifier WS template_dec WS traits WS "{" WS declaration_block WS "}" | obj_nonterm WS identifier WS traits WS "{" WS declaration_block WS "}" ;
declaration_block = declaration_statement line_end WS declaration_block | function WS declaration_block | declaration_statement line_end | function | ;
traits = "\(" WS trait_list WS "\)" ;