68 lines
1.6 KiB
Lua
68 lines
1.6 KiB
Lua
local mpack = require('mpack')
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local nvimsrcdir = arg[1]
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local autodir = arg[2]
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local metadata_file = arg[3]
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local funcs_file = arg[4]
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if nvimsrcdir == '--help' then
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print([[
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Usage:
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lua gen_eval.lua src/nvim build/src/nvim/auto
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Will generate build/src/nvim/auto/funcs.generated.h with definition of functions
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static const array.
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]])
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os.exit(0)
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end
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package.path = nvimsrcdir .. '/?.lua;' .. package.path
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local funcsfname = autodir .. '/funcs.generated.h'
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local gperfpipe = io.open(funcsfname .. '.gperf', 'wb')
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local funcs = require('eval').funcs
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local metadata = mpack.unpack(io.open(metadata_file, 'rb'):read("*all"))
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for _,fun in ipairs(metadata) do
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if not (fun.remote_only or fun.lua_only) then
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funcs[fun.name] = {
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args=#fun.parameters,
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func='api_wrapper',
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data='&handle_'..fun.name,
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}
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end
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end
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local funcsdata = io.open(funcs_file, 'w')
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funcsdata:write(mpack.pack(funcs))
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funcsdata:close()
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gperfpipe:write([[
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%language=ANSI-C
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%global-table
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%readonly-tables
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%define initializer-suffix ,0,0,NULL,NULL
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%define word-array-name functions
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%define hash-function-name hash_internal_func_gperf
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%define lookup-function-name find_internal_func_gperf
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%omit-struct-type
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%struct-type
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VimLFuncDef;
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%%
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]])
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for name, def in pairs(funcs) do
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local args = def.args or 0
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if type(args) == 'number' then
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args = {args, args}
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elseif #args == 1 then
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args[2] = 'MAX_FUNC_ARGS'
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end
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local func = def.func or ('f_' .. name)
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local data = def.data or "NULL"
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gperfpipe:write(('%s, %s, %s, &%s, (FunPtr)%s\n')
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:format(name, args[1], args[2], func, data))
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end
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gperfpipe:close()
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