blob: d46252613c190eca19e9971c3601c4307de187d6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
import importlib
import sys
import os.path
from dataclasses import dataclass
from asm_ops import *
from asm_eval import *
from asm_pass0 import *
@dataclass
class Result1Line:
line_num: int
src_file: str
parts: list[str]
@dataclass
class Result1:
lines: list[Result1Line]
options: Options
operations: OpExpansionDict
def pass_1(result0: Result0) -> Result1:
options = Options()
result_lines: list[Result1Line] = []
operations: OpExpansionDict = default_expansions.copy()
for line in result0.lines:
keyword, *args = line.line.lower().split()
match keyword:
case "@opt":
opt_name, opt_value = args
match opt_name:
case "stack_pointer": options.stack_pointer = opt_value
case "csr_scratch": options.csr_scratch = opt_value
case _: raise Exception("Unknown @opt: " + opt_name)
case "@use":
module_name, ops = args[0].split(":")
ops_split = ops.split(",")
sys.path.append(os.path.dirname(line.src_file))
module = importlib.import_module(module_name)
mod_expansions: OpExpansionDict = module.expansions
for op in mod_expansions:
expansion = mod_expansions[op]
if ops == "*" or op in ops_split:
operations[op] = expansion
case _:
result_lines.append(Result1Line(
src_file=line.src_file,
line_num=line.line_num,
parts=[keyword, *args]
))
return Result1(
operations=operations,
options=options,
lines=result_lines
)
|
