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api: auto generate api function wrappers for viml

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This commit is contained in:
Björn Linse
2016-06-18 12:06:50 +02:00
parent de3a515123
commit 3bd3b3b768
6 changed files with 77 additions and 35 deletions
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18
scripts/gendispatch.lua
View File

@@ -41,18 +41,20 @@ c_proto = Ct(
)
grammar = Ct((c_proto + c_comment + c_preproc + ws) ^ 1)
-- we need at least 2 arguments since the last one is the output file
assert(#arg >= 1)
-- we need at least 3 arguments since the last two are output files
assert(#arg >= 2)
functions = {}
-- names of all headers relative to the source root (for inclusion in the
-- generated file)
headers = {}
-- output file(dispatch function + metadata serialized with msgpack)
outputf = arg[#arg]
-- output c file(dispatch function + metadata serialized with msgpack)
outputf = arg[#arg-1]
-- output mpack file (metadata)
mpack_outputf = arg[#arg]
-- read each input file, parse and append to the api metadata
for i = 1, #arg - 1 do
for i = 1, #arg - 2 do
local full_path = arg[i]
local parts = {}
for part in string.gmatch(full_path, '[^/]+') do
@@ -165,7 +167,7 @@ for i = 1, #functions do
local fn = functions[i]
local args = {}
output:write('static Object handle_'..fn.name..'(uint64_t channel_id, uint64_t request_id, Array args, Error *error)')
output:write('Object handle_'..fn.name..'(uint64_t channel_id, uint64_t request_id, Array args, Error *error)')
output:write('\n{')
output:write('\n Object ret = NIL;')
-- Declare/initialize variables that will hold converted arguments
@@ -311,3 +313,7 @@ MsgpackRpcRequestHandler msgpack_rpc_get_handler_for(const char *name,
]])
output:close()
mpack_output = io.open(mpack_outputf, 'wb')
mpack_output:write(packed)
mpack_output:close()

21
scripts/geneval.lua
View File

@@ -1,5 +1,8 @@
mpack = require('mpack')
local nvimsrcdir = arg[1]
local autodir = arg[2]
local metadata_file = arg[3]
if nvimsrcdir == '--help' then
print([[
@@ -18,9 +21,20 @@ local funcsfname = autodir .. '/funcs.generated.h'
local funcspipe = io.open(funcsfname .. '.hsh', 'w')
local funcs = require('eval')
local funcs = require('eval').funcs
for name, def in pairs(funcs.funcs) do
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}
@@ -28,7 +42,8 @@ for name, def in pairs(funcs.funcs) do
args[2] = 'MAX_FUNC_ARGS'
end
func = def.func or ('f_' .. name)
local val = ('{ %s, %s, &%s }'):format(args[1], args[2], func)
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()