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Allow qstr's with non-ident chars, construct good identifier for them.

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Also, add qstr's for string appearing in unix REPL loop, gross effect
being less allocations for each command run.
This commit is contained in:
Paul Sokolovsky
2014-01-24 00:22:00 +02:00
parent d552db426b
commit ab5d08280b
3 changed files with 22 additions and 12 deletions
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14
py/makeqstrdata.py
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@@ -1,5 +1,6 @@
import argparse
import re
from htmlentitydefs import codepoint2name
# this must match the equivalent function in qstr.c
def compute_hash(qstr):
@@ -10,7 +11,7 @@ def compute_hash(qstr):
def do_work(infiles):
# read the qstrs in from the input files
qstrs = []
qstrs = {}
for infile in infiles:
with open(infile, 'rt') as f:
line_number = 0
@@ -23,28 +24,29 @@ def do_work(infiles):
continue
# verify line is of the correct form
match = re.match(r'Q\(([0-9A-Za-z_]+)\)$', line)
match = re.match(r'Q\((.+)\)$', line)
if not match:
print('({}:{}) bad qstr format, got {}'.format(infile, line_number, line))
return False
# get the qstr value
qstr = match.group(1)
ident = re.sub(r'[^A-Za-z0-9_]', lambda s: "_" + codepoint2name[ord(s.group(0))] + "_", qstr)
# don't add duplicates
if qstr in qstrs:
if ident in qstrs:
continue
# add the qstr to the list
qstrs.append(qstr)
qstrs[ident] = qstr
# process the qstrs, printing out the generated C header file
print('// This file was automatically generated by makeqstrdata.py')
print('')
for qstr in qstrs:
for ident, qstr in qstrs.items():
qhash = compute_hash(qstr)
qlen = len(qstr)
print('Q({}, (const byte*)"\\x{:02x}\\x{:02x}\\x{:02x}\\x{:02x}" "{}")'.format(qstr, qhash & 0xff, (qhash >> 8) & 0xff, qlen & 0xff, (qlen >> 8) & 0xff, qstr))
print('Q({}, (const byte*)"\\x{:02x}\\x{:02x}\\x{:02x}\\x{:02x}" "{}")'.format(ident, qhash & 0xff, (qhash >> 8) & 0xff, qlen & 0xff, (qlen >> 8) & 0xff, qstr))
return True