Files
neovim/scripts/geneval.lua
2016-08-31 21:40:20 +02:00

50 lines
1.1 KiB
Lua

mpack = require('mpack')
local nvimsrcdir = arg[1]
local autodir = arg[2]
local metadata_file = arg[3]
if nvimsrcdir == '--help' then
print([[
Usage:
lua geneval.lua src/nvim build/src/nvim/auto
Will generate build/src/nvim/auto/funcs.generated.h with definition of functions
static const array.
]])
os.exit(0)
end
package.path = nvimsrcdir .. '/?.lua;' .. package.path
local funcsfname = autodir .. '/funcs.generated.h'
local funcspipe = io.open(funcsfname .. '.hsh', 'w')
local funcs = require('eval').funcs
local metadata = mpack.unpack(io.open(arg[3], 'rb'):read("*all"))
for i,fun in ipairs(metadata) do
funcs['api_'..fun.name] = {
args=#fun.parameters,
func='api_wrapper',
data='handle_'..fun.name,
}
end
for name, def in pairs(funcs) do
args = def.args or 0
if type(args) == 'number' then
args = {args, args}
elseif #args == 1 then
args[2] = 'MAX_FUNC_ARGS'
end
func = def.func or ('f_' .. name)
data = def.data or "NULL"
local val = ('{ %s, %s, &%s, %s }'):format(args[1], args[2], func, data)
funcspipe:write(name .. '\n' .. val .. '\n')
end
funcspipe:close()