Sha256: 88aace75967cc6fdd7a896265e898cccd3d689db30714c0a79bc44b1100a55f1
Contents?: true
Size: 1013 Bytes
Versions: 7
Compression:
Stored size: 1013 Bytes
Contents
module Lrama
class Grammar
class Code
class InitialActionCode < Code
private
# * ($$) yylval
# * (@$) yylloc
# * ($:$) error
# * ($1) error
# * (@1) error
# * ($:1) error
def reference_to_c(ref)
case
when ref.type == :dollar && ref.name == "$" # $$
"yylval"
when ref.type == :at && ref.name == "$" # @$
"yylloc"
when ref.type == :index && ref.name == "$" # $:$
raise "$:#{ref.value} can not be used in initial_action."
when ref.type == :dollar # $n
raise "$#{ref.value} can not be used in initial_action."
when ref.type == :at # @n
raise "@#{ref.value} can not be used in initial_action."
when ref.type == :index # $:n
raise "$:#{ref.value} can not be used in initial_action."
else
raise "Unexpected. #{self}, #{ref}"
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems