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local mpack = require('mpack')
local nvimsrcdir = arg[1]
local shared_file = arg[2]
local autodir = arg[3]
local metadata_file = arg[4]
local funcs_file = arg[5]
_G.vim = loadfile(shared_file)()
if nvimsrcdir == '--help' then
print([[
Usage:
lua gen_eval.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 hashy = require'generators.hashy'
local hashpipe = io.open(funcsfname, 'wb')
hashpipe:write([[
#include "nvim/arglist.h"
#include "nvim/cmdexpand.h"
#include "nvim/cmdhist.h"
#include "nvim/digraph.h"
#include "nvim/eval/buffer.h"
#include "nvim/eval/funcs.h"
#include "nvim/eval/typval.h"
#include "nvim/eval/vars.h"
#include "nvim/eval/window.h"
#include "nvim/ex_docmd.h"
#include "nvim/ex_getln.h"
#include "nvim/fold.h"
#include "nvim/getchar.h"
#include "nvim/insexpand.h"
#include "nvim/mapping.h"
#include "nvim/match.h"
#include "nvim/mbyte.h"
#include "nvim/menu.h"
#include "nvim/move.h"
#include "nvim/quickfix.h"
#include "nvim/search.h"
#include "nvim/sign.h"
#include "nvim/testing.h"
]])
local funcs = require('eval').funcs
for _, func in pairs(funcs) do
if func.float_func then
func.func = "float_op_wrapper"
func.data = "{ .float_func = &"..func.float_func.." }"
end
end
local metadata = mpack.unpack(io.open(metadata_file, 'rb'):read("*all"))
for _,fun in ipairs(metadata) do
if fun.eval then
funcs[fun.name] = {
args=#fun.parameters,
func='api_wrapper',
data='{ .api_handler = &method_handlers['..fun.handler_id..'] }'
}
end
end
local func_names = vim.tbl_keys(funcs)
table.sort(func_names)
local funcsdata = io.open(funcs_file, 'w')
funcsdata:write(mpack.pack(func_names))
funcsdata:close()
local neworder, hashfun = hashy.hashy_hash("find_internal_func", func_names, function (idx)
return "functions["..idx.."].name"
end)
hashpipe:write("static const EvalFuncDef functions[] = {\n")
for _, name in ipairs(neworder) do
local def = funcs[name]
local args = def.args or 0
if type(args) == 'number' then
args = {args, args}
elseif #args == 1 then
args[2] = 'MAX_FUNC_ARGS'
end
local base = def.base or "BASE_NONE"
local func = def.func or ('f_' .. name)
local data = def.data or "{ .nullptr = NULL }"
local fast = def.fast and 'true' or 'false'
hashpipe:write((' { "%s", %s, %s, %s, %s, &%s, %s },\n')
:format(name, args[1], args[2], base, fast, func, data))
end
hashpipe:write(' { NULL, 0, 0, BASE_NONE, false, NULL, { .nullptr = NULL } },\n')
hashpipe:write("};\n\n")
hashpipe:write(hashfun)
hashpipe:close()
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