Sha256: 2894be933fac60ed938d46872b83f83e645358ad5a25651ec0c4dbcc95a1ec2a
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Size: 1.16 KB
Versions: 6
Compression:
Stored size: 1.16 KB
Contents
module Lrama
class Grammar
class Code
class DestructorCode < Code
def initialize(type:, token_code:, tag:)
super(type: type, token_code: token_code)
@tag = tag
end
private
# * ($$) *yyvaluep
# * (@$) *yylocationp
# * ($:$) error
# * ($1) error
# * (@1) error
# * ($:1) error
def reference_to_c(ref)
case
when ref.type == :dollar && ref.name == "$" # $$
member = @tag.member
"((*yyvaluep).#{member})"
when ref.type == :at && ref.name == "$" # @$
"(*yylocationp)"
when ref.type == :index && ref.name == "$" # $:$
raise "$:#{ref.value} can not be used in #{type}."
when ref.type == :dollar # $n
raise "$#{ref.value} can not be used in #{type}."
when ref.type == :at # @n
raise "@#{ref.value} can not be used in #{type}."
when ref.type == :index # $:n
raise "$:#{ref.value} can not be used in #{type}."
else
raise "Unexpected. #{self}, #{ref}"
end
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems