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144 lines
3.9 KiB
144 lines
3.9 KiB
from concurrent.futures import thread
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import re
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import time
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import aquery_parser as parser
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import engine
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import subprocess
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import mmap
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import sys
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import os
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from engine.utils import base62uuid
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import atexit
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try:
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os.remove('server.bin')
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except Exception as e:
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print(type(e), e)
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subprocess.call(['make', 'server.bin'])
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cleanup = True
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def rm():
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global cleanup
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if cleanup:
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mm.seek(0,os.SEEK_SET)
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mm.write(b'\x00\x00')
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mm.flush()
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try:
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time.sleep(.001)
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server.kill()
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time.sleep(.001)
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server.terminate()
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except OSError:
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pass
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files = os.listdir('.')
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for f in files:
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if f.endswith('.shm'):
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os.remove(f)
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mm.close()
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cleanup = False
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atexit.register(rm)
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shm = base62uuid()
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if sys.platform != 'win32':
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import readline
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shm += '.shm'
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basecmd = ['bash', '-c', 'rlwrap k']
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mm = None
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if not os.path.isfile(shm):
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# create initial file
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with open(shm, "w+b") as handle:
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handle.write(b'\x01\x00') # [running, new job]
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handle.flush()
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mm = mmap.mmap(handle.fileno(), 2, access=mmap.ACCESS_WRITE, offset=0)
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if mm is None:
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exit(1)
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else:
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basecmd = ['bash.exe', '-c', 'rlwrap ./k']
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mm = mmap.mmap(0, 2, shm)
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mm.write(b'\x01\x00')
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mm.flush()
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server = subprocess.Popen(["./server.bin", shm])
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test_parser = True
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# code to test parser
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ws = re.compile(r'\s+')
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q = 'SELECT p.Name, v.Name FROM Production.Product p JOIN Purchasing.ProductVendor pv ON p.ProductID = pv.ProductID JOIN Purchasing.Vendor v ON pv.BusinessEntityID = v.BusinessEntityID WHERE ProductSubcategoryID = 15 ORDER BY v.Name;'
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res = parser.parse(q)
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print(res)
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# else:f
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# if subprocess.call(['make', 'snippet']) == 0:
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# mm.seek(0)
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# mm.write(b'\x01\x01')
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# time.sleep(.1)
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# mm.seek(0)
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# print(mm.read(2))
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# mm.close()
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# handle.close()
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# os.remove(shm)
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# exit()
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keep = False
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cxt = None
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while test_parser:
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try:
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if server.poll() is not None:
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server = subprocess.Popen(["./server.bin", shm])
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q = input()
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if q == 'exec':
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if not keep or cxt is None:
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cxt = engine.initialize()
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stmts_stmts = stmts['stmts']
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if type(stmts_stmts) is list:
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for s in stmts_stmts:
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engine.generate(s, cxt)
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else:
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engine.generate(stmts_stmts, cxt)
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print(cxt.ccode)
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with open('out.cpp', 'wb') as outfile:
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outfile.write((cxt.finalize()).encode('utf-8'))
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if subprocess.call(['make', 'snippet']) == 0:
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mm.seek(0,os.SEEK_SET)
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mm.write(b'\x01\x01')
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continue
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elif q == 'k':
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subprocess.call(basecmd)
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continue
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elif q == 'print':
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print(stmts)
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continue
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elif q == 'keep':
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keep = not keep
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continue
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elif q=='format' or q == 'fmt':
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subprocess.call(['clang-format', 'out.cpp'])
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elif q == 'exit':
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break
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elif q == 'r':
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if subprocess.call(['make', 'snippet']) == 0:
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mm.seek(0,os.SEEK_SET)
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mm.write(b'\x01\x01')
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continue
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trimed = ws.sub(' ', q.lower()).split(' ')
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if trimed[0].startswith('f'):
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fn = 'stock.a' if len(trimed) <= 1 or len(trimed[1]) == 0 \
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else trimed[1]
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with open(fn, 'r') as file:
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contents = file.read()
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stmts = parser.parse(contents)
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continue
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stmts = parser.parse(q)
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print(stmts)
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except (ValueError, FileNotFoundError) as e:
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rm()
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print(type(e), e)
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rm() |