mirror of
https://github.com/neovim/neovim.git
synced 2025-09-21 10:48:18 +00:00
0f24b0826a
- Move all generator Lua scripts to the `src/gen/`
- Add a `.luarc.json` to `src/gen/`
- Add a `preload.lua` to `src/gen/`
- Add `src` to `package.path` so it aligns with `.luarc.json'
- Fix all `require` statements in `src/gen/` so they are consistent:
- `require('scripts.foo')` -> `require('gen.foo')`
- `require('src.nvim.options')` -> `require('nvim.options')`
- `require('api.dispatch_deprecated')` -> `require('nvim.api.dispatch_deprecated')`
97 lines
2.4 KiB
Lua
97 lines
2.4 KiB
Lua
if arg[1] == '--help' then
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print('Usage:')
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print(' ' .. arg[0] .. ' [-c] target source varname [source varname]...')
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print('')
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print('Generates C file with big uint8_t blob.')
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print('Blob will be stored in a static const array named varname.')
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os.exit()
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end
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-- Recognized options:
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-- -c compile Lua bytecode
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local options = {}
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while true do
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local opt = string.match(arg[1], '^-(%w)')
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if not opt then
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break
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end
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options[opt] = true
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table.remove(arg, 1)
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end
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assert(#arg >= 3 and (#arg - 1) % 2 == 0)
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local target_file = arg[1] or error('Need a target file')
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local target = io.open(target_file, 'w')
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target:write('#include <stdint.h>\n\n')
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local index_items = {}
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local warn_on_missing_compiler = true
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local modnames = {}
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for argi = 2, #arg, 2 do
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local source_file = arg[argi]
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local modname = arg[argi + 1]
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if modnames[modname] then
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error(string.format('modname %q is already specified for file %q', modname, modnames[modname]))
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end
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modnames[modname] = source_file
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local varname = string.gsub(modname, '%.', '_dot_') .. '_module'
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target:write(('static const uint8_t %s[] = {\n'):format(varname))
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local output
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if options.c then
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local luac = os.getenv('LUAC_PRG')
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if luac and luac ~= '' then
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output = io.popen(luac:format(source_file), 'r'):read('*a')
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elseif warn_on_missing_compiler then
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print('LUAC_PRG is missing, embedding raw source')
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warn_on_missing_compiler = false
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end
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end
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if not output then
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local source = io.open(source_file, 'r')
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or error(string.format("source_file %q doesn't exist", source_file))
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output = source:read('*a')
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source:close()
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end
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local num_bytes = 0
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local MAX_NUM_BYTES = 15 -- 78 / 5: maximum number of bytes on one line
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target:write(' ')
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local increase_num_bytes
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increase_num_bytes = function()
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num_bytes = num_bytes + 1
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if num_bytes == MAX_NUM_BYTES then
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num_bytes = 0
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target:write('\n ')
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end
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end
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for i = 1, string.len(output) do
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local byte = output:byte(i)
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target:write(string.format(' %3u,', byte))
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increase_num_bytes()
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end
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target:write(' 0};\n')
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if modname ~= '_' then
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table.insert(
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index_items,
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' { "' .. modname .. '", ' .. varname .. ', sizeof ' .. varname .. ' },\n\n'
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)
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end
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end
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target:write('static ModuleDef builtin_modules[] = {\n')
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target:write(table.concat(index_items))
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target:write('};\n')
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target:close()
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