mirror of
https://github.com/notwa/mm
synced 2024-11-05 06:39:02 -08:00
71 lines
2 KiB
Lua
71 lines
2 KiB
Lua
local lips = {
|
|
_DESCRIPTION = 'Assembles MIPS assembly files for the R4300i CPU.',
|
|
_URL = 'https://github.com/notwa/lips/',
|
|
_LICENSE = [[
|
|
Copyright (C) 2015,2016 Connor Olding
|
|
|
|
This program is licensed under the terms of the MIT License, and
|
|
is distributed without any warranty. You should have received a
|
|
copy of the license along with this program; see the file LICENSE.
|
|
]],
|
|
}
|
|
|
|
local path = string.gsub(..., "%.init$", "").."."
|
|
local util = require(path.."util")
|
|
local Parser = require(path.."Parser")
|
|
|
|
lips.writers = require(path.."writers")
|
|
|
|
function lips.assemble(fn_or_asm, writer, options)
|
|
-- assemble MIPS R4300i assembly code.
|
|
-- if fn_or_asm contains a newline; treat as assembly, otherwise load file.
|
|
-- returns error message on error, or nil on success.
|
|
fn_or_asm = tostring(fn_or_asm)
|
|
local default_writer = not writer
|
|
writer = writer or lips.writers.make_word()
|
|
options = options or {}
|
|
|
|
local function main()
|
|
if options.offset then
|
|
if options.origin or options.base then
|
|
error('offset and origin/base options are mutually exclusive')
|
|
end
|
|
io.stderr:write('Warning: options.offset is deprecated.\n')
|
|
options.origin = options.offset
|
|
options.base = 0
|
|
else
|
|
options.origin = options.origin or 0
|
|
options.base = options.base or 0x80000000
|
|
end
|
|
|
|
local fn = nil
|
|
local asm
|
|
if fn_or_asm:find('[\r\n]') then
|
|
asm = fn_or_asm
|
|
else
|
|
fn = fn_or_asm
|
|
asm = util.readfile(fn)
|
|
options.path = fn:match(".*/")
|
|
end
|
|
|
|
local parser = Parser(writer, fn, options)
|
|
parser:parse(asm)
|
|
|
|
if default_writer then
|
|
writer()
|
|
end
|
|
end
|
|
|
|
if options.unsafe then
|
|
return main()
|
|
else
|
|
local ok, err = pcall(main)
|
|
return err
|
|
end
|
|
end
|
|
|
|
return setmetatable(lips, {
|
|
__call = function(self, ...)
|
|
return self.assemble(...)
|
|
end,
|
|
})
|