py/makeqstrdata: Add more names for escaped chars and esc non-printable.

Non-printable characters are escaped as 0xXX, where XX are the hex
digits of the character value.
This commit is contained in:
Damien George 2016-04-13 22:12:39 +01:00
parent 59a4fee516
commit f30b6f0af5
1 changed files with 16 additions and 1 deletions

View File

@ -23,6 +23,7 @@ codepoint2name[ord('\'')] = 'squot'
codepoint2name[ord(',')] = 'comma'
codepoint2name[ord('.')] = 'dot'
codepoint2name[ord(':')] = 'colon'
codepoint2name[ord(';')] = 'semicolon'
codepoint2name[ord('/')] = 'slash'
codepoint2name[ord('%')] = 'percent'
codepoint2name[ord('#')] = 'hash'
@ -36,6 +37,13 @@ codepoint2name[ord('*')] = 'star'
codepoint2name[ord('!')] = 'bang'
codepoint2name[ord('\\')] = 'backslash'
codepoint2name[ord('+')] = 'plus'
codepoint2name[ord('$')] = 'dollar'
codepoint2name[ord('=')] = 'equals'
codepoint2name[ord('?')] = 'question'
codepoint2name[ord('@')] = 'at_sign'
codepoint2name[ord('^')] = 'caret'
codepoint2name[ord('|')] = 'pipe'
codepoint2name[ord('~')] = 'tilde'
# this must match the equivalent function in qstr.c
def compute_hash(qstr, bytes_hash):
@ -46,7 +54,14 @@ def compute_hash(qstr, bytes_hash):
return (hash & ((1 << (8 * bytes_hash)) - 1)) or 1
def qstr_escape(qst):
return re.sub(r'[^A-Za-z0-9_]', lambda s: "_" + codepoint2name[ord(s.group(0))] + '_', qst)
def esc_char(m):
c = ord(m.group(0))
try:
name = codepoint2name[c]
except KeyError:
name = '0x%02x' % c
return "_" + name + '_'
return re.sub(r'[^A-Za-z0-9_]', esc_char, qst)
def parse_input_headers(infiles):
# read the qstrs in from the input files