neovim

Neovim text editor
git clone https://git.dasho.dev/neovim.git
Log | Files | Refs | README

gen_eval.lua (2956B)

      1 local mpack = vim.mpack
      2 
      3 local funcsfname = arg[1]
      4 local metadata_file = arg[2]
      5 local funcs_file = arg[3]
      6 local eval_file = arg[4]
      7 
      8 --Will generate funcs.generated.h with definition of functions static const array.
      9 
     10 local hashy = require 'gen.hashy'
     11 
     12 local hashpipe = assert(io.open(funcsfname, 'wb'))
     13 
     14 hashpipe:write([[
     15 #include "nvim/arglist.h"
     16 #include "nvim/channel.h"
     17 #include "nvim/cmdexpand.h"
     18 #include "nvim/cmdhist.h"
     19 #include "nvim/diff.h"
     20 #include "nvim/digraph.h"
     21 #include "nvim/eval.h"
     22 #include "nvim/eval/buffer.h"
     23 #include "nvim/eval/deprecated.h"
     24 #include "nvim/eval/fs.h"
     25 #include "nvim/eval/funcs.h"
     26 #include "nvim/eval/list.h"
     27 #include "nvim/eval/typval.h"
     28 #include "nvim/eval/vars.h"
     29 #include "nvim/eval/window.h"
     30 #include "nvim/ex_docmd.h"
     31 #include "nvim/ex_getln.h"
     32 #include "nvim/fold.h"
     33 #include "nvim/fuzzy.h"
     34 #include "nvim/getchar.h"
     35 #include "nvim/indent.h"
     36 #include "nvim/indent_c.h"
     37 #include "nvim/insexpand.h"
     38 #include "nvim/mapping.h"
     39 #include "nvim/match.h"
     40 #include "nvim/mbyte.h"
     41 #include "nvim/menu.h"
     42 #include "nvim/mouse.h"
     43 #include "nvim/move.h"
     44 #include "nvim/quickfix.h"
     45 #include "nvim/runtime.h"
     46 #include "nvim/search.h"
     47 #include "nvim/state.h"
     48 #include "nvim/strings.h"
     49 #include "nvim/sign.h"
     50 #include "nvim/testing.h"
     51 #include "nvim/undo.h"
     52 
     53 ]])
     54 
     55 local funcs = loadfile(eval_file)().funcs
     56 for _, func in pairs(funcs) do
     57  if func.float_func then
     58    func.func = 'float_op_wrapper'
     59    func.data = '{ .float_func = &' .. func.float_func .. ' }'
     60  end
     61 end
     62 
     63 local metadata = mpack.decode(io.open(metadata_file, 'rb'):read('*all'))
     64 for _, fun in ipairs(metadata) do
     65  if fun.eval then
     66    funcs[fun.name] = {
     67      args = #fun.parameters,
     68      func = 'api_wrapper',
     69      data = '{ .api_handler = &method_handlers[' .. fun.handler_id .. '] }',
     70    }
     71  end
     72 end
     73 
     74 local func_names = vim.tbl_filter(function(name)
     75  return name:match('__%d*$') == nil
     76 end, vim.tbl_keys(funcs))
     77 
     78 table.sort(func_names)
     79 
     80 local funcsdata = assert(io.open(funcs_file, 'w'))
     81 funcsdata:write(mpack.encode(func_names))
     82 funcsdata:close()
     83 
     84 local neworder, hashfun = hashy.hashy_hash('find_internal_func', func_names, function(idx)
     85  return 'functions[' .. idx .. '].name'
     86 end)
     87 
     88 hashpipe:write('static const EvalFuncDef functions[] = {\n')
     89 
     90 for _, name in ipairs(neworder) do
     91  local def = funcs[name]
     92  local args = def.args or 0
     93  if type(args) == 'number' then
     94    args = { args, args }
     95  elseif #args == 1 then
     96    args[2] = 'MAX_FUNC_ARGS'
     97  end
     98  local base = def.base or 'BASE_NONE'
     99  local func = def.func or ('f_' .. name)
    100  local data = def.data or '{ .null = NULL }'
    101  local fast = def.fast and 'true' or 'false'
    102  hashpipe:write(
    103    ('  { "%s", %s, %s, %s, %s, &%s, %s },\n'):format(
    104      name,
    105      args[1],
    106      args[2],
    107      base,
    108      fast,
    109      func,
    110      data
    111    )
    112  )
    113 end
    114 hashpipe:write('  { NULL, 0, 0, BASE_NONE, false, NULL, { .null = NULL } },\n')
    115 hashpipe:write('};\n\n')
    116 hashpipe:write(hashfun)
    117 hashpipe:close()