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mpack = require('mpack')
local nvimdir = arg[1]
package.path = nvimdir .. '/?.lua;' .. package.path
assert(#arg == 7)
input = io.open(arg[2], 'rb')
proto_output = io.open(arg[3], 'wb')
call_output = io.open(arg[4], 'wb')
remote_output = io.open(arg[5], 'wb')
bridge_output = io.open(arg[6], 'wb')
metadata_output = io.open(arg[7], 'wb')
c_grammar = require('generators.c_grammar')
local events = c_grammar.grammar:match(input:read('*all'))
function write_signature(output, ev, prefix, notype)
output:write('('..prefix)
if prefix == "" and #ev.parameters == 0 then
output:write('void')
end
for j = 1, #ev.parameters do
if j > 1 or prefix ~= '' then
output:write(', ')
end
local param = ev.parameters[j]
if not notype then
output:write(param[1]..' ')
end
output:write(param[2])
end
output:write(')')
end
function write_arglist(output, ev, need_copy)
output:write(' Array args = ARRAY_DICT_INIT;\n')
for j = 1, #ev.parameters do
local param = ev.parameters[j]
local kind = string.upper(param[1])
local do_copy = need_copy and (kind == "ARRAY" or kind == "DICTIONARY" or kind == "STRING" or kind == "OBJECT")
output:write(' ADD(args, ')
if do_copy then
output:write('copy_object(')
end
output:write(kind..'_OBJ('..param[2]..')')
if do_copy then
output:write(')')
end
output:write(');\n')
end
end
for i = 1, #events do
ev = events[i]
assert(ev.return_type == 'void')
if ev.since == nil then
print("Ui event "..ev.name.." lacks since field.\n")
os.exit(1)
end
ev.since = tonumber(ev.since)
if not ev.remote_only then
proto_output:write(' void (*'..ev.name..')')
write_signature(proto_output, ev, 'UI *ui')
proto_output:write(';\n')
if not ev.remote_impl then
remote_output:write('static void remote_ui_'..ev.name)
write_signature(remote_output, ev, 'UI *ui')
remote_output:write('\n{\n')
write_arglist(remote_output, ev, true)
remote_output:write(' push_call(ui, "'..ev.name..'", args);\n')
remote_output:write('}\n\n')
end
if not ev.bridge_impl then
send, argv, recv, recv_argv, recv_cleanup = '', '', '', '', ''
argc = 1
for j = 1, #ev.parameters do
local param = ev.parameters[j]
copy = 'copy_'..param[2]
if param[1] == 'String' then
send = send..' String copy_'..param[2]..' = copy_string('..param[2]..');\n'
argv = argv..', '..copy..'.data, INT2PTR('..copy..'.size)'
recv = (recv..' String '..param[2]..
' = (String){.data = argv['..argc..'],'..
'.size = (size_t)argv['..(argc+1)..']};\n')
recv_argv = recv_argv..', '..param[2]
recv_cleanup = recv_cleanup..' api_free_string('..param[2]..');\n'
argc = argc+2
elseif param[1] == 'Array' then
send = send..' Array '..copy..' = copy_array('..param[2]..');\n'
argv = argv..', '..copy..'.items, INT2PTR('..copy..'.size)'
recv = (recv..' Array '..param[2]..
' = (Array){.items = argv['..argc..'],'..
'.size = (size_t)argv['..(argc+1)..']};\n')
recv_argv = recv_argv..', '..param[2]
recv_cleanup = recv_cleanup..' api_free_array('..param[2]..');\n'
argc = argc+2
elseif param[1] == 'Object' then
send = send..' Object *'..copy..' = xmalloc(sizeof(Object));\n'
send = send..' *'..copy..' = copy_object('..param[2]..');\n'
argv = argv..', '..copy
recv = recv..' Object '..param[2]..' = *(Object *)argv['..argc..'];\n'
recv_argv = recv_argv..', '..param[2]
recv_cleanup = (recv_cleanup..' api_free_object('..param[2]..');\n'..
' xfree(argv['..argc..']);\n')
argc = argc+1
elseif param[1] == 'Integer' or param[1] == 'Boolean' then
argv = argv..', INT2PTR('..param[2]..')'
recv_argv = recv_argv..', PTR2INT(argv['..argc..'])'
argc = argc+1
else
assert(false)
end
end
bridge_output:write('static void ui_bridge_'..ev.name..
'_event(void **argv)\n{\n')
bridge_output:write(' UI *ui = UI(argv[0]);\n')
bridge_output:write(recv)
bridge_output:write(' ui->'..ev.name..'(ui'..recv_argv..');\n')
bridge_output:write(recv_cleanup)
bridge_output:write('}\n\n')
bridge_output:write('static void ui_bridge_'..ev.name)
write_signature(bridge_output, ev, 'UI *ui')
bridge_output:write('\n{\n')
bridge_output:write(send)
bridge_output:write(' UI_BRIDGE_CALL(ui, '..ev.name..', '..argc..', ui'..argv..');\n}\n\n')
end
end
call_output:write('void ui_call_'..ev.name)
write_signature(call_output, ev, '')
call_output:write('\n{\n')
if ev.remote_only then
write_arglist(call_output, ev, false)
call_output:write(' UI_LOG('..ev.name..', 0);\n')
call_output:write(' ui_event("'..ev.name..'", args);\n')
else
call_output:write(' UI_CALL')
write_signature(call_output, ev, ev.name, true)
call_output:write(";\n")
end
call_output:write("}\n\n")
end
proto_output:close()
call_output:close()
remote_output:close()
-- don't expose internal attributes like "impl_name" in public metadata
exported_attributes = {'name', 'parameters',
'since', 'deprecated_since'}
exported_events = {}
for _,ev in ipairs(events) do
local ev_exported = {}
for _,attr in ipairs(exported_attributes) do
ev_exported[attr] = ev[attr]
end
for _,p in ipairs(ev_exported.parameters) do
if p[1] == 'HlAttrs' then
p[1] = 'Dictionary'
end
end
exported_events[#exported_events+1] = ev_exported
end
packed = mpack.pack(exported_events)
dump_bin_array = require("generators.dump_bin_array")
dump_bin_array(metadata_output, 'ui_events_metadata', packed)
metadata_output:close()
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