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Refactored parse_signature #61

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Refactored parse_signature #61

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1f65f23
Refactored parse_signature
kojix2 Dec 23, 2020
03ea077
Change ret to ctype
kojix2 Dec 23, 2020
e1abb46
Fixed regular expression
kojix2 Dec 23, 2020
1094a35
Pass tymap to parse_ctype
kojix2 Dec 23, 2020
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19 changes: 9 additions & 10 deletions lib/fiddle/cparser.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -108,16 +108,15 @@ def parse_struct_signature(signature, tymap=nil)
#
def parse_signature(signature, tymap=nil)
tymap ||= {}
case compact(signature)
when /^(?:[\w\*\s]+)\(\*(\w+)\((.*?)\)\)(?:\[\w*\]|\(.*?\));?$/
func, args = $1, $2
return [func, TYPE_VOIDP, split_arguments(args).collect {|arg| parse_ctype(arg, tymap)}]
when /^([\w\*\s]+[\*\s])(\w+)\((.*?)\);?$/
ret, func, args = $1.strip, $2, $3
return [func, parse_ctype(ret, tymap), split_arguments(args).collect {|arg| parse_ctype(arg, tymap)}]
else
raise(RuntimeError,"can't parse the function prototype: #{signature}")
end
ctype, func, args = case compact(signature)
when /^(?:[\w\*\s]+)\(\*(\w+)\((.*?)\)\)(?:\[\w*\]|\(.*?\));?$/
[TYPE_VOIDP, $1, $2]
when /^([\w\*\s]+[\*\s])(\w+)\((.*?)\);?$/
[parse_ctype($1.strip, tymap), $2, $3]
else
raise("can't parse the function prototype: #{signature}")
end
[func, ctype, split_arguments(args).collect {|arg| parse_ctype(arg, tymap)}]
end

# Given a String of C type +ty+, returns the corresponding Fiddle constant.
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