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use filename in errors; fix JALR

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This commit is contained in:
Connor Olding 2015-11-20 16:44:40 -08:00
parent 4646d467d2
commit 5da1b19fd5
1 changed files with 11 additions and 9 deletions
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20
Lua/inject/assembler.lua
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@ -5,7 +5,7 @@
-- lexer and parser are somewhat based on http://chunkbake.luaforge.net/
local assembler = {
_VERSION = 'assembler v1',
_VERSION = 'assembler v2',
_DESCRIPTION = 'Assembles MIPS assembly files for the R4300i CPU.',
_URL = 'https://github.com/notwa/mm/blob/master/Lua/inject/assembler.lua',
_LICENSE = [[
@ -382,8 +382,9 @@ local instruction_handlers = {
at = nil
local Lexer = Class()
function Lexer:init(asm)
function Lexer:init(asm, fn)
self.asm = asm
self.fn = fn or '(string)'
self.pos = 1
self.line = 1
self.EOF = -1
@ -391,20 +392,22 @@ function Lexer:init(asm)
end
local Dumper = Class()
function Dumper:init(writer)
function Dumper:init(writer, fn)
self.writer = writer
self.fn = fn or '(string)'
self.defines = {}
self.labels = {}
self.lines = {}
end
local Parser = Class()
function Parser:init(writer)
self.dumper = Dumper(writer)
function Parser:init(writer, fn)
self.fn = fn or '(string)'
self.dumper = Dumper(writer, fn)
end
function Lexer:error(msg)
error(string.format('%s:%d: Error: %s', 'file.asm', self.line, msg), 2)
error(string.format('%s:%d: Error: %s', self.fn, self.line, msg), 2)
end
function Lexer:nextc()
@ -607,7 +610,7 @@ function Lexer:lex()
end
function Parser:error(msg)
error(string.format('%s:%d: Error: %s', 'file.asm', self.line, msg), 2)
error(string.format('%s:%d: Error: %s', self.fn, self.line, msg), 2)
end
function Parser:advance()
@ -832,7 +835,6 @@ function Parser:instruction()
local rd = self:register()
local const = h[3] or self:error('internal error: expected const')
self.dumper:add_instruction_5_5_5_5_6(h[1], rs, 0, rd, 0, const)
local rd = self:register()
elseif h[2] == argtypes.code then
-- OP
local const = h[3] or self:error('internal error: expected const')
@ -904,7 +906,7 @@ end
function Dumper:error(msg)
-- TODO: sometimes internal error, sometimes not.
-- also, we should pass line numbers down to add_instruction.
error(string.format('Dumping Error: %s', msg), 2)
error(string.format('%s:%d: Dumper Error: %s', self.fn, self.line, msg), 2)
end
function Dumper:push(t)