# @file ConvertMasmToNasm.py
# This script assists with conversion of MASM assembly syntax to NASM
#
# Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
from __future__ import print_function
#
# Import Modules
#
import argparse
import io
import os.path
import re
import subprocess
import sys
class UnsupportedConversion(Exception):
pass
class NoSourceFile(Exception):
pass
class UnsupportedArch(Exception):
unsupported = ('aarch64', 'arm', 'ebc', 'ipf')
class CommonUtils:
# Version and Copyright
VersionNumber = "0.01"
__version__ = "%prog Version " + VersionNumber
__copyright__ = "Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved."
__usage__ = "%prog [options] source.asm [destination.nasm]"
def __init__(self, clone=None):
if clone is None:
self.args = self.ProcessCommandLine()
else:
self.args = clone.args
self.unsupportedSyntaxSeen = False
self.src = self.args.source
self.keep = self.args.keep
assert(os.path.exists(self.src))
self.dirmode = os.path.isdir(self.src)
srcExt = os.path.splitext(self.src)[1]
assert (self.dirmode or srcExt != '.nasm')
self.infmode = not self.dirmode and srcExt == '.inf'
self.diff = self.args.diff
self.git = self.args.git
self.force = self.args.force
if clone is None:
self.rootdir = os.getcwd()
self.DetectGit()
else:
self.rootdir = clone.rootdir
self.gitdir = clone.gitdir
self.gitemail = clone.gitemail
def ProcessCommandLine(self):
parser = argparse.ArgumentParser(description=self.__copyright__)
parser.add_argument('--version', action='version',
version='%(prog)s ' + self.VersionNumber)
parser.add_argument("-q", "--quiet", action="store_true",
help="Disable all messages except FATAL ERRORS.")
parser.add_argument("--git", action="store_true",
help="Use git to create commits for each file converted")
parser.add_argument("--keep", action="append", choices=('asm', 's'),
default=[],
help="Don't remove files with this extension")
parser.add_argument("--diff", action="store_true",
help="Show diff of conversion")
parser.add_argument("-f", "--force", action="store_true",
help="Force conversion even if unsupported")
parser.add_argument('source', help='MASM input file')
parser.add_argument('dest', nargs='?',
help='NASM output file (default=input.nasm; - for stdout)')
return parser.parse_args()
def RootRelative(self, path):
result = path
if result.startswith(self.rootdir):
result = result[len(self.rootdir):]
while len(result) > 0 and result[0] in '/\\':
result = result[1:]
return result
def MatchAndSetMo(self, regexp, string):
self.mo = regexp.match(string)
return self.mo is not None
def SearchAndSetMo(self, regexp, string):
self.mo = regexp.search(string)
return self.mo is not None
def ReplacePreserveSpacing(self, string, find, replace):
if len(find) >= len(replace):
padded = replace + (' ' * (len(find) - len(replace)))
return string.replace(find, padded)
elif find.find(replace) >= 0:
return string.replace(find, replace)
else:
lenDiff = len(replace) - len(find)
result = string
for i in range(lenDiff, -1, -1):
padded = find + (' ' * i)
result = result.replace(padded, replace)
return result
def DetectGit(self):
lastpath = os.path.realpath(self.src)
self.gitdir = None
while True:
path = os.path.split(lastpath)[0]
if path == lastpath:
self.gitemail = None
return
candidate = os.path.join(path, '.git')
if os.path.isdir(candidate):
self.gitdir = candidate
self.gitemail = self.FormatGitEmailAddress()
return
lastpath = path
def FormatGitEmailAddress(self):
if not self.git or not self.gitdir:
return ''
cmd = ('git', 'config', 'user.name')
name = self.RunAndCaptureOutput(cmd).strip()
cmd = ('git', 'config', 'user.email')
email = self.RunAndCaptureOutput(cmd).strip()
if name.find(',') >= 0:
name = '"' + name + '"'
return name + ' <' + email + '>'
def RunAndCaptureOutput(self, cmd, checkExitCode=True, pipeIn=None):
if pipeIn:
subpStdin = subprocess.PIPE
else:
subpStdin = None
p = subprocess.Popen(args=cmd, stdout=subprocess.PIPE, stdin=subpStdin)
(stdout, stderr) = p.communicate(pipeIn)
if checkExitCode:
if p.returncode != 0:
print('command:', ' '.join(cmd))
print('stdout:', stdout)
print('stderr:', stderr)
print('return:', p.returncode)
assert p.returncode == 0
return stdout.decode('utf-8', 'ignore')
def FileUpdated(self, path):
if not self.git or not self.gitdir:
return
cmd = ('git', 'add', path)
self.RunAndCaptureOutput(cmd)
def FileAdded(self, path):
self.FileUpdated(path)
def RemoveFile(self, path):
if not self.git or not self.gitdir:
return
if self.ShouldKeepFile(path):
return
cmd = ('git', 'rm', path)
self.RunAndCaptureOutput(cmd)
def ShouldKeepFile(self, path):
ext = os.path.splitext(path)[1].lower()
if ext.startswith('.'):
ext = ext[1:]
return ext in self.keep
def FileConversionFinished(self, pkg, module, src, dst):
if not self.git or not self.gitdir:
return
if not self.args.quiet:
print('Committing: Conversion of', dst)
prefix = ' '.join(filter(lambda a: a, [pkg, module]))
message = ''
if self.unsupportedSyntaxSeen:
message += 'ERROR! '
message += '%s: Convert %s to NASM\n' % (prefix, src)
message += '\n'
message += 'The %s script was used to convert\n' % sys.argv[0]
message += '%s to %s\n' % (src, dst)
message += '\n'
message += 'Contributed-under: TianoCore Contribution Agreement 1.0\n'
assert(self.gitemail is not None)
message += 'Signed-off-by: %s\n' % self.gitemail
message = message.encode('utf-8', 'ignore')
cmd = ('git', 'commit', '-F', '-')
self.RunAndCaptureOutput(cmd, pipeIn=message)
class ConvertAsmFile(CommonUtils):
def __init__(self, src, dst, clone):
CommonUtils.__init__(self, clone)
self.ConvertAsmFile(src, dst)
self.FileAdded(dst)
self.RemoveFile(src)
def ConvertAsmFile(self, inputFile, outputFile=None):
self.globals = set()
self.unsupportedSyntaxSeen = False
self.inputFilename = inputFile
if not outputFile:
outputFile = os.path.splitext(inputFile)[0] + '.nasm'
self.outputFilename = outputFile
fullSrc = os.path.realpath(inputFile)
srcParentDir = os.path.basename(os.path.split(fullSrc)[0])
maybeArch = srcParentDir.lower()
if maybeArch in UnsupportedArch.unsupported:
raise UnsupportedArch
self.ia32 = maybeArch == 'ia32'
self.x64 = maybeArch == 'x64'
self.inputFileBase = os.path.basename(self.inputFilename)
self.outputFileBase = os.path.basename(self.outputFilename)
self.output = io.BytesIO()
if not self.args.quiet:
dirpath, src = os.path.split(self.inputFilename)
dirpath = self.RootRelative(dirpath)
dst = os.path.basename(self.outputFilename)
print('Converting:', dirpath, src, '->', dst)
lines = io.open(self.inputFilename).readlines()
self.Convert(lines)
if self.outputFilename == '-' and not self.diff:
output_data = self.output.getvalue()
if sys.version_info >= (3, 0):
output_data = output_data.decode('utf-8', 'ignore')
sys.stdout.write(output_data)
self.output.close()
else:
f = io.open(self.outputFilename, 'wb')
f.write(self.output.getvalue())
f.close()
self.output.close()
endOfLineRe = re.compile(r'''
\s* ( ; .* )? \n $
''',
re.VERBOSE | re.MULTILINE
)
begOfLineRe = re.compile(r'''
\s*
''',
re.VERBOSE
)
def Convert(self, lines):
self.proc = None
self.anonLabelCount = -1
output = self.output
self.oldAsmEmptyLineCount = 0
self.newAsmEmptyLineCount = 0
for line in lines:
mo = self.begOfLineRe.search(line)
assert mo is not None
self.indent = mo.group()
lineWithoutBeginning = line[len(self.indent):]
mo = self.endOfLineRe.search(lineWithoutBeginning)
if mo is None:
endOfLine = ''
else:
endOfLine = mo.group()
oldAsm = line[len(self.indent):len(line) - len(endOfLine)]
self.originalLine = line.rstrip()
if line.strip() == '':
self.oldAsmEmptyLineCount += 1
self.TranslateAsm(oldAsm, endOfLine)
if line.strip() != '':
self.oldAsmEmptyLineCount = 0
procDeclRe = re.compile(r'''
(?: ASM_PFX \s* [(] \s* )?
([\w@][\w@0-9]*) \s*
[)]? \s+
PROC
(?: \s+ NEAR | FAR )?
(?: \s+ C )?
(?: \s+ (PUBLIC | PRIVATE) )?
(?: \s+ USES ( (?: \s+ \w[\w0-9]* )+ ) )?
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
procEndRe = re.compile(r'''
([\w@][\w@0-9]*) \s+
ENDP
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
varAndTypeSubRe = r' (?: [\w@][\w@0-9]* ) (?: \s* : \s* \w+ )? '
publicRe = re.compile(r'''
PUBLIC \s+
( %s (?: \s* , \s* %s )* )
\s* $
''' % (varAndTypeSubRe, varAndTypeSubRe),
re.VERBOSE | re.IGNORECASE
)
varAndTypeSubRe = re.compile(varAndTypeSubRe, re.VERBOSE | re.IGNORECASE)
macroDeclRe = re.compile(r'''
([\w@][\w@0-9]*) \s+
MACRO
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
sectionDeclRe = re.compile(r'''
([\w@][\w@0-9]*) \s+
( SECTION | ENDS )
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
externRe = re.compile(r'''
EXTE?RN \s+ (?: C \s+ )?
([\w@][\w@0-9]*) \s* : \s* (\w+)
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
externdefRe = re.compile(r'''
EXTERNDEF \s+ (?: C \s+ )?
([\w@][\w@0-9]*) \s* : \s* (\w+)
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
protoRe = re.compile(r'''
([\w@][\w@0-9]*) \s+
PROTO
(?: \s+ .* )?
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
defineDataRe = re.compile(r'''
([\w@][\w@0-9]*) \s+
( db | dw | dd | dq ) \s+
( .*? )
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
equRe = re.compile(r'''
([\w@][\w@0-9]*) \s+ EQU \s+ (\S.*?)
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
ignoreRe = re.compile(r'''
\. (?: const |
mmx |
model |
xmm |
x?list |
[3-6]86p?
) |
page
(?: \s+ .* )?
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
whitespaceRe = re.compile(r'\s+', re.MULTILINE)
def TranslateAsm(self, oldAsm, endOfLine):
assert(oldAsm.strip() == oldAsm)
endOfLine = endOfLine.replace(self.inputFileBase, self.outputFileBase)
oldOp = oldAsm.split()
if len(oldOp) >= 1:
oldOp = oldOp[0]
else:
oldOp = ''
if oldAsm == '':
newAsm = oldAsm
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif oldOp in ('#include', ):
newAsm = oldAsm
self.EmitLine(oldAsm + endOfLine)
elif oldOp.lower() in ('end', 'title', 'text'):
newAsm = ''
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif oldAsm.lower() == '@@:':
self.anonLabelCount += 1
self.EmitLine(self.anonLabel(self.anonLabelCount) + ':')
elif self.MatchAndSetMo(self.ignoreRe, oldAsm):
newAsm = ''
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif oldAsm.lower() == 'ret':
for i in range(len(self.uses) - 1, -1, -1):
register = self.uses[i]
self.EmitNewContent('pop ' + register)
newAsm = 'ret'
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
self.uses = tuple()
elif oldOp.lower() == 'lea':
newAsm = self.ConvertLea(oldAsm)
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif oldAsm.lower() == 'end':
newAsm = ''
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
self.uses = tuple()
elif self.MatchAndSetMo(self.equRe, oldAsm):
equ = self.mo.group(1)
newAsm = '%%define %s %s' % (equ, self.mo.group(2))
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif self.MatchAndSetMo(self.externRe, oldAsm) or \
self.MatchAndSetMo(self.protoRe, oldAsm):
extern = self.mo.group(1)
self.NewGlobal(extern)
newAsm = 'extern ' + extern
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif self.MatchAndSetMo(self.externdefRe, oldAsm):
newAsm = ''
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif self.MatchAndSetMo(self.macroDeclRe, oldAsm):
newAsm = '%%macro %s 0' % self.mo.group(1)
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif oldOp.lower() == 'endm':
newAsm = r'%endmacro'
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif self.MatchAndSetMo(self.sectionDeclRe, oldAsm):
name = self.mo.group(1)
ty = self.mo.group(2)
if ty.lower() == 'section':
newAsm = '.' + name
else:
newAsm = ''
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif self.MatchAndSetMo(self.procDeclRe, oldAsm):
proc = self.proc = self.mo.group(1)
visibility = self.mo.group(2)
if visibility is None:
visibility = ''
else:
visibility = visibility.lower()
if visibility != 'private':
self.NewGlobal(self.proc)
proc = 'ASM_PFX(' + proc + ')'
self.EmitNewContent('global ' + proc)
newAsm = proc + ':'
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
uses = self.mo.group(3)
if uses is not None:
uses = tuple(filter(None, uses.split()))
else:
uses = tuple()
self.uses = uses
for register in self.uses:
self.EmitNewContent(' push ' + register)
elif self.MatchAndSetMo(self.procEndRe, oldAsm):
newAsm = ''
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif self.MatchAndSetMo(self.publicRe, oldAsm):
publics = re.findall(self.varAndTypeSubRe, self.mo.group(1))
publics = tuple(map(lambda p: p.split(':')[0].strip(), publics))
for i in range(len(publics) - 1):
name = publics[i]
self.EmitNewContent('global ASM_PFX(%s)' % publics[i])
self.NewGlobal(name)
name = publics[-1]
self.NewGlobal(name)
newAsm = 'global ASM_PFX(%s)' % name
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
elif self.MatchAndSetMo(self.defineDataRe, oldAsm):
name = self.mo.group(1)
ty = self.mo.group(2)
value = self.mo.group(3)
if value == '?':
value = 0
newAsm = '%s: %s %s' % (name, ty, value)
newAsm = self.CommonConversions(newAsm)
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
else:
newAsm = self.CommonConversions(oldAsm)
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
def NewGlobal(self, name):
regex = re.compile(r'(?<![_\w\d])(?<!ASM_PFX\()(' + re.escape(name) +
r')(?![_\w\d])')
self.globals.add(regex)
def ConvertAnonymousLabels(self, oldAsm):
newAsm = oldAsm
anonLabel = self.anonLabel(self.anonLabelCount)
newAsm = newAsm.replace('@b', anonLabel)
newAsm = newAsm.replace('@B', anonLabel)
anonLabel = self.anonLabel(self.anonLabelCount + 1)
newAsm = newAsm.replace('@f', anonLabel)
newAsm = newAsm.replace('@F', anonLabel)
return newAsm
def anonLabel(self, count):
return '.%d' % count
def EmitString(self, string):
self.output.write(string.encode('utf-8', 'ignore'))
def EmitLineWithDiff(self, old, new):
newLine = (self.indent + new).rstrip()
if self.diff:
if old is None:
print('+%s' % newLine)
elif newLine != old:
print('-%s' % old)
print('+%s' % newLine)
else:
print('', newLine)
if newLine != '':
self.newAsmEmptyLineCount = 0
self.EmitString(newLine + '\r\n')
def EmitLine(self, string):
self.EmitLineWithDiff(self.originalLine, string)
def EmitNewContent(self, string):
self.EmitLineWithDiff(None, string)
def EmitAsmReplaceOp(self, oldAsm, oldOp, newOp, endOfLine):
newAsm = oldAsm.replace(oldOp, newOp, 1)
self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
hexNumRe = re.compile(r'0*((?=[\da-f])\d*(?<=\d)[\da-f]*)h', re.IGNORECASE)
def EmitAsmWithComment(self, oldAsm, newAsm, endOfLine):
for glblRe in self.globals:
newAsm = glblRe.sub(r'ASM_PFX(\1)', newAsm)
newAsm = self.hexNumRe.sub(r'0x\1', newAsm)
newLine = newAsm + endOfLine
emitNewLine = ((newLine.strip() != '') or
((oldAsm + endOfLine).strip() == ''))
if emitNewLine and newLine.strip() == '':
self.newAsmEmptyLineCount += 1
if self.newAsmEmptyLineCount > 1:
emitNewLine = False
if emitNewLine:
self.EmitLine(newLine.rstrip())
elif self.diff:
print('-%s' % self.originalLine)
leaRe = re.compile(r'''
(lea \s+) ([\w@][\w@0-9]*) \s* , \s* (\S (?:.*\S)?)
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
def ConvertLea(self, oldAsm):
newAsm = oldAsm
if self.MatchAndSetMo(self.leaRe, oldAsm):
lea = self.mo.group(1)
dst = self.mo.group(2)
src = self.mo.group(3)
if src.find('[') < 0:
src = '[' + src + ']'
newAsm = lea + dst + ', ' + src
newAsm = self.CommonConversions(newAsm)
return newAsm
ptrRe = re.compile(r'''
(?<! \S )
([dfq]?word|byte) \s+ (?: ptr ) (\s*)
(?= [[\s] )
''',
re.VERBOSE | re.IGNORECASE
)
def ConvertPtr(self, oldAsm):
newAsm = oldAsm
while self.SearchAndSetMo(self.ptrRe, newAsm):
ty = self.mo.group(1)
if ty.lower() == 'fword':
ty = ''
else:
ty += self.mo.group(2)
newAsm = newAsm[:self.mo.start(0)] + ty + newAsm[self.mo.end(0):]
return newAsm
labelByteRe = re.compile(r'''
(?: \s+ label \s+ (?: [dfq]?word | byte ) )
(?! \S )
''',
re.VERBOSE | re.IGNORECASE
)
def ConvertLabelByte(self, oldAsm):
newAsm = oldAsm
if self.SearchAndSetMo(self.labelByteRe, newAsm):
newAsm = newAsm[:self.mo.start(0)] + ':' + newAsm[self.mo.end(0):]
return newAsm
unaryBitwiseOpRe = re.compile(r'''
( NOT )
(?= \s+ \S )
''',
re.VERBOSE | re.IGNORECASE
)
binaryBitwiseOpRe = re.compile(r'''
( \S \s+ )
( AND | OR | SHL | SHR )
(?= \s+ \S )
''',
re.VERBOSE | re.IGNORECASE
)
bitwiseOpReplacements = {
'not': '~',
'and': '&',
'shl': '<<',
'shr': '>>',
'or': '|',
}
def ConvertBitwiseOp(self, oldAsm):
newAsm = oldAsm
while self.SearchAndSetMo(self.binaryBitwiseOpRe, newAsm):
prefix = self.mo.group(1)
op = self.bitwiseOpReplacements[self.mo.group(2).lower()]
newAsm = newAsm[:self.mo.start(0)] + prefix + op + \
newAsm[self.mo.end(0):]
while self.SearchAndSetMo(self.unaryBitwiseOpRe, newAsm):
op = self.bitwiseOpReplacements[self.mo.group(1).lower()]
newAsm = newAsm[:self.mo.start(0)] + op + newAsm[self.mo.end(0):]
return newAsm
sectionRe = re.compile(r'''
\. ( code |
data
)
(?: \s+ .* )?
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
segmentRe = re.compile(r'''
( code |
data )
(?: \s+ SEGMENT )
(?: \s+ .* )?
\s* $
''',
re.VERBOSE | re.IGNORECASE
)
def ConvertSection(self, oldAsm):
newAsm = oldAsm
if self.MatchAndSetMo(self.sectionRe, newAsm) or \
self.MatchAndSetMo(self.segmentRe, newAsm):
name = self.mo.group(1).lower()
if name == 'code':
if self.x64:
self.EmitLine('DEFAULT REL')
name = 'text'
newAsm = 'SECTION .' + name
return newAsm
fwordRe = re.compile(r'''
(?<! \S )
fword
(?! \S )
''',
re.VERBOSE | re.IGNORECASE
)
def FwordUnsupportedCheck(self, oldAsm):
newAsm = oldAsm
if self.SearchAndSetMo(self.fwordRe, newAsm):
newAsm = self.Unsupported(newAsm, 'fword used')
return newAsm
__common_conversion_routines__ = (
ConvertAnonymousLabels,
ConvertPtr,
FwordUnsupportedCheck,
ConvertBitwiseOp,
ConvertLabelByte,
ConvertSection,
)
def CommonConversions(self, oldAsm):
newAsm = oldAsm
for conv in self.__common_conversion_routines__:
newAsm = conv(self, newAsm)
return newAsm
def Unsupported(self, asm, message=None):
if not self.force:
raise UnsupportedConversion
self.unsupportedSyntaxSeen = True
newAsm = '%error conversion unsupported'
if message:
newAsm += '; ' + message
newAsm += ': ' + asm
return newAsm
class ConvertInfFile(CommonUtils):
def __init__(self, inf, clone):
CommonUtils.__init__(self, clone)
self.inf = inf
self.ScanInfAsmFiles()
if self.infmode:
self.ConvertInfAsmFiles()
infSrcRe = re.compile(r'''
\s*
( [\w@][\w@0-9/]* \.(asm|s) )
\s* (?: \| [^#]* )?
\s* (?: \# .* )?
$
''',
re.VERBOSE | re.IGNORECASE
)
def GetInfAsmFileMapping(self):
srcToDst = {'order': []}
for line in self.lines:
line = line.rstrip()
if self.MatchAndSetMo(self.infSrcRe, line):
src = self.mo.group(1)
srcExt = self.mo.group(2)
dst = os.path.splitext(src)[0] + '.nasm'
fullDst = os.path.join(self.dir, dst)
if src not in srcToDst and not os.path.exists(fullDst):
srcToDst[src] = dst
srcToDst['order'].append(src)
return srcToDst
def ScanInfAsmFiles(self):
src = self.inf
assert os.path.isfile(src)
f = io.open(src, 'rt')
self.lines = f.readlines()
f.close()
path = os.path.realpath(self.inf)
(self.dir, inf) = os.path.split(path)
parent = os.path.normpath(self.dir)
(lastpath, self.moduleName) = os.path.split(parent)
self.packageName = None
while True:
lastpath = os.path.normpath(lastpath)
(parent, basename) = os.path.split(lastpath)
if parent == lastpath:
break
if basename.endswith('Pkg'):
self.packageName = basename
break
lastpath = parent
self.srcToDst = self.GetInfAsmFileMapping()
self.dstToSrc = {'order': []}
for src in self.srcToDst['order']:
srcExt = os.path.splitext(src)[1]
dst = self.srcToDst[src]
if dst not in self.dstToSrc:
self.dstToSrc[dst] = [src]
self.dstToSrc['order'].append(dst)
else:
self.dstToSrc[dst].append(src)
def __len__(self):
return len(self.dstToSrc['order'])
def __iter__(self):
return iter(self.dstToSrc['order'])
def ConvertInfAsmFiles(self):
notConverted = []
unsupportedArchCount = 0
for dst in self:
didSomething = False
try:
self.UpdateInfAsmFile(dst)
didSomething = True
except UnsupportedConversion:
if not self.args.quiet:
print('MASM=>NASM conversion unsupported for', dst)
notConverted.append(dst)
except NoSourceFile:
if not self.args.quiet:
print('Source file missing for', reldst)
notConverted.append(dst)
except UnsupportedArch:
unsupportedArchCount += 1
else:
if didSomething:
self.ConversionFinished(dst)
if len(notConverted) > 0 and not self.args.quiet:
for dst in notConverted:
reldst = self.RootRelative(dst)
print('Unabled to convert', reldst)
if unsupportedArchCount > 0 and not self.args.quiet:
print('Skipped', unsupportedArchCount, 'files based on architecture')
def UpdateInfAsmFile(self, dst, IgnoreMissingAsm=False):
infPath = os.path.split(os.path.realpath(self.inf))[0]
asmSrc = os.path.splitext(dst)[0] + '.asm'
fullSrc = os.path.join(infPath, asmSrc)
fullDst = os.path.join(infPath, dst)
srcParentDir = os.path.basename(os.path.split(fullSrc)[0])
if srcParentDir.lower() in UnsupportedArch.unsupported:
raise UnsupportedArch
elif not os.path.exists(fullSrc):
if not IgnoreMissingAsm:
raise NoSourceFile
else: # not os.path.exists(fullDst):
conv = ConvertAsmFile(fullSrc, fullDst, self)
self.unsupportedSyntaxSeen = conv.unsupportedSyntaxSeen
fileChanged = False
recentSources = list()
i = 0
while i < len(self.lines):
line = self.lines[i].rstrip()
updatedLine = line
lineChanged = False
preserveOldSource = False
for src in self.dstToSrc[dst]:
assert self.srcToDst[src] == dst
updatedLine = self.ReplacePreserveSpacing(
updatedLine, src, dst)
lineChanged = updatedLine != line
if lineChanged:
preserveOldSource = self.ShouldKeepFile(src)
break
if lineChanged:
if preserveOldSource:
if updatedLine.strip() not in recentSources:
self.lines.insert(i, updatedLine + '\n')
recentSources.append(updatedLine.strip())
i += 1
if self.diff:
print('+%s' % updatedLine)
if self.diff:
print('', line)
else:
if self.diff:
print('-%s' % line)
if updatedLine.strip() in recentSources:
self.lines[i] = None
else:
self.lines[i] = updatedLine + '\n'
recentSources.append(updatedLine.strip())
if self.diff:
print('+%s' % updatedLine)
else:
if len(recentSources) > 0:
recentSources = list()
if self.diff:
print('', line)
fileChanged |= lineChanged
i += 1
if fileChanged:
self.lines = list(filter(lambda l: l is not None, self.lines))
for src in self.dstToSrc[dst]:
if not src.endswith('.asm'):
fullSrc = os.path.join(infPath, src)
if os.path.exists(fullSrc):
self.RemoveFile(fullSrc)
if fileChanged:
f = io.open(self.inf, 'w', newline='\r\n')
f.writelines(self.lines)
f.close()
self.FileUpdated(self.inf)
def ConversionFinished(self, dst):
asmSrc = os.path.splitext(dst)[0] + '.asm'
self.FileConversionFinished(
self.packageName, self.moduleName, asmSrc, dst)
class ConvertInfFiles(CommonUtils):
def __init__(self, infs, clone):
CommonUtils.__init__(self, clone)
infs = map(lambda i: ConvertInfFile(i, self), infs)
infs = filter(lambda i: len(i) > 0, infs)
dstToInfs = {'order': []}
for inf in infs:
for dst in inf:
fulldst = os.path.realpath(os.path.join(inf.dir, dst))
pair = (inf, dst)
if fulldst in dstToInfs:
dstToInfs[fulldst].append(pair)
else:
dstToInfs['order'].append(fulldst)
dstToInfs[fulldst] = [pair]
notConverted = []
unsupportedArchCount = 0
for dst in dstToInfs['order']:
didSomething = False
try:
for inf, reldst in dstToInfs[dst]:
inf.UpdateInfAsmFile(reldst, IgnoreMissingAsm=didSomething)
didSomething = True
except UnsupportedConversion:
if not self.args.quiet:
print('MASM=>NASM conversion unsupported for', reldst)
notConverted.append(dst)
except NoSourceFile:
if not self.args.quiet:
print('Source file missing for', reldst)
notConverted.append(dst)
except UnsupportedArch:
unsupportedArchCount += 1
else:
if didSomething:
inf.ConversionFinished(reldst)
if len(notConverted) > 0 and not self.args.quiet:
for dst in notConverted:
reldst = self.RootRelative(dst)
print('Unabled to convert', reldst)
if unsupportedArchCount > 0 and not self.args.quiet:
print('Skipped', unsupportedArchCount, 'files based on architecture')
class ConvertDirectories(CommonUtils):
def __init__(self, paths, clone):
CommonUtils.__init__(self, clone)
self.paths = paths
self.ConvertInfAndAsmFiles()
def ConvertInfAndAsmFiles(self):
infs = list()
for path in self.paths:
assert(os.path.exists(path))
for path in self.paths:
for root, dirs, files in os.walk(path):
for d in ('.svn', '.git'):
if d in dirs:
dirs.remove(d)
for f in files:
if f.lower().endswith('.inf'):
inf = os.path.realpath(os.path.join(root, f))
infs.append(inf)
ConvertInfFiles(infs, self)
class ConvertAsmApp(CommonUtils):
def __init__(self):
CommonUtils.__init__(self)
src = self.args.source
dst = self.args.dest
if self.infmode:
ConvertInfFiles((src,), self)
elif self.dirmode:
ConvertDirectories((src,), self)
elif not self.dirmode:
ConvertAsmFile(src, dst, self)
ConvertAsmApp()