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require 'json'
require 'cast'
#file_to_scan = 'raylib.h'
module FelBind
class Scan
class << self
# ctags --list-kinds=c
# p function prototypes
# s structure names
# z function parameters inside function or prototype definitions
# m struct, and union members
def ctag(file)
`ctags --output-format=json --c-kinds=pm --fields=+S --language-force=c #{file}`
end
#File.write('json.json', parse)
#$garbage = []
def param_strip(signature)
signature[1...-1].split(',')
end
def parse_header(path)
parse = `ctags --output-format=json --c-kinds=pm --fields=+S --language-force=c #{path}`
structs = {}
functions = {}
failed = []
parse.each_line do |line|
json_line = JSON.parse line
if json_line['kind'] == 'prototype'
functions["#{json_line['typeref'].sub(/^[^ ][^ ]* /,'')} #{json_line['name']}"] = param_strip(json_line['signature'])
elsif json_line['kind'] == 'member'
if json_line['scopeKind'] == 'struct'
structs[json_line['scope']] ||= []
structs[json_line['scope']].push "#{json_line['typeref'].delete_prefix('typename:')} #{json_line['name']}"
else
failed.push json_line
end
elsif json_line['kind'] == 'struct'
structs[json_line['name']] = json_line
else
failed.push json_line
end
end
[functions, structs, failed]
end
def debug_show(type, hash)
puts "#{type.upcase}:"
puts '---'
hash.each do |key, params|
puts "#{type.capitalize}: #{key}"
params.each do |param|
puts param
end
puts '---'
end
puts
end
def scan(file, destination)
functions, structs, failed = parse_header(file)
debug_show('functions', functions)
debug_show('structs', structs)
if !failed.empty?
puts "-- Failed: --"
pp failed
puts
end
puts "Functions: #{functions.size}"
puts "Structs: #{structs.size}"
puts "Failed: #{failed.size}"
puts
result = [functions, structs]
File.write(destination, JSON.generate(result))
end
end
end
end
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