Files
MP-SPDZ/Compiler/compilerLib.py
2021-09-17 14:31:25 +10:00

95 lines
3.2 KiB
Python

from Compiler.program import Program
from .GC import types as GC_types
import sys
import re, tempfile, os
def run(args, options):
""" Compile a file and output a Program object.
If options.merge_opens is set to True, will attempt to merge any
parallelisable open instructions. """
prog = Program(args, options)
VARS['program'] = prog
if options.binary:
VARS['sint'] = GC_types.sbitintvec.get_type(int(options.binary))
VARS['sfix'] = GC_types.sbitfixvec
for i in 'cint', 'cfix', 'cgf2n', 'sintbit', 'sgf2n', 'sgf2nint', \
'sgf2nuint', 'sgf2nuint32', 'sgf2nfloat', 'sfloat', 'cfloat', \
'squant':
del VARS[i]
print('Compiling file', prog.infile)
f = open(prog.infile, 'rb')
changed = False
if options.flow_optimization:
output = []
if_stack = []
for line in open(prog.infile):
if if_stack and not re.match(if_stack[-1][0], line):
if_stack.pop()
m = re.match(
'(\s*)for +([a-zA-Z_]+) +in +range\(([0-9a-zA-Z_]+)\):',
line)
if m:
output.append('%s@for_range_opt(%s)\n' % (m.group(1),
m.group(3)))
output.append('%sdef _(%s):\n' % (m.group(1), m.group(2)))
changed = True
continue
m = re.match('(\s*)if(\W.*):', line)
if m:
if_stack.append((m.group(1), len(output)))
output.append('%s@if_(%s)\n' % (m.group(1), m.group(2)))
output.append('%sdef _():\n' % (m.group(1)))
changed = True
continue
m = re.match('(\s*)elif\s+', line)
if m:
raise CompilerError('elif not supported')
if if_stack:
m = re.match('%selse:' % if_stack[-1][0], line)
if m:
start = if_stack[-1][1]
ws = if_stack[-1][0]
output[start] = re.sub(r'^%s@if_\(' % ws, r'%s@if_e(' % ws,
output[start])
output.append('%s@else_\n' % ws)
output.append('%sdef _():\n' % ws)
continue
output.append(line)
if changed:
infile = tempfile.NamedTemporaryFile('w+', delete=False)
for line in output:
infile.write(line)
infile.seek(0)
else:
infile = open(prog.infile)
else:
infile = open(prog.infile)
# make compiler modules directly accessible
sys.path.insert(0, 'Compiler')
# create the tapes
exec(compile(infile.read(), infile.name, 'exec'), VARS)
if changed and not options.debug:
os.unlink(infile.name)
prog.finalize()
if prog.req_num:
print('Program requires:')
for x in prog.req_num.pretty():
print(x)
if prog.verbose:
print('Program requires:', repr(prog.req_num))
print('Cost:', 0 if prog.req_num is None else prog.req_num.cost())
print('Memory size:', dict(prog.allocated_mem))
return prog