require"math"

-- use shared helpers to generate cases
package.path = '../common/?.lua;' .. package.path
require"mk-cases"


local max = math.max
local maxargs = 0

function mkcase(id,sig)
  local sig = trim(sig)
  local h = { "/* ",id,":",sig," */ ",sig:sub(-1), " f", id,"(","" }
  local t = { "" }
  local pos = 0
  maxargs = max(maxargs, #sig-2)
  for i = 1, #sig-2 do 
    local name = "a"..pos
    local ch   = sig:sub(i,i)
    h[#h+1] = ch.." "..name
    h[#h+1] = ","
    t[#t+1] = "V_"..ch.."["..pos.."]="..name..";"
    pos = pos + 1
  end
  h[#h] = "){"
  t[#t+1] = "ret_"..sig:sub(-1).."("..pos..")}\n"
  return table.concat(h,"")..table.concat(t,"")
end

function mkall()
  local lineno = 0
  local sigtab = { }
  for line in io.lines() do
    local sig = trim(line)
    io.write(mkcase(lineno,sig))
    sigtab[#sigtab+1] = sig
    lineno = lineno + 1
  end
  io.write(mkfuntab(lineno, 'f', 'funptr', 'G_funtab', true))
  io.write(mksigtab(sigtab, '', 'G_sigtab'))
  io.write("int G_maxargs = "..maxargs..";\n")
end

mkall()