auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 397 deletions

diff --git a/libc/kernel/tools/utils.py b/libc/kernel/tools/utils.py
deleted file mode 100644
index 763c7d2..0000000
--- a/libc/kernel/tools/utils.py
+++ /dev/null
@@ -1,397 +0,0 @@
-# common python utility routines for the Bionic tool scripts
-
-import sys, os, commands, string, commands
-
-# basic debugging trace support
-# call D_setlevel to set the verbosity level
-# and D(), D2(), D3(), D4() to add traces
-#
-verbose = 0
-
-def panic(msg):
-    sys.stderr.write( find_program_name() + ": error: " )
-    sys.stderr.write( msg )
-    sys.exit(1)
-
-def D(msg):
-    global verbose
-    if verbose > 0:
-        print msg
-
-def D2(msg):
-    global verbose
-    if verbose >= 2:
-        print msg
-
-def D3(msg):
-    global verbose
-    if verbose >= 3:
-        print msg
-
-def D4(msg):
-    global verbose
-    if verbose >= 4:
-        print msg
-
-def D_setlevel(level):
-    global verbose
-    verbose = level
-
-
-#  other stuff
-#
-#
-def find_program_name():
-    return os.path.basename(sys.argv[0])
-
-def find_program_dir():
-    return os.path.dirname(sys.argv[0])
-
-def find_file_from_upwards(from_path,target_file):
-    """find a file in the current directory or its parents. if 'from_path' is None,
-       seach from the current program's directory"""
-    path = from_path
-    if path == None:
-        path = os.path.realpath(sys.argv[0])
-        path = os.path.dirname(path)
-        D("this script seems to be located in: %s" % path)
-
-    while 1:
-        D("probing "+path)
-        if path == "":
-            file = target_file
-        else:
-            file = path + "/" + target_file
-
-        if os.path.isfile(file):
-            D("found %s in %s" % (target_file, path))
-            return file
-
-        if path == "":
-            return None
-
-        path = os.path.dirname(path)
-
-def find_bionic_root():
-    file = find_file_from_upwards(None, "SYSCALLS.TXT")
-    if file:
-        return os.path.dirname(file)
-    else:
-        return None
-
-def find_kernel_headers():
-    """try to find the directory containing the kernel headers for this machine"""
-    status, version = commands.getstatusoutput( "uname -r" )  # get Linux kernel version
-    if status != 0:
-        D("could not execute 'uname -r' command properly")
-        return None
-
-    # get rid of the "-xenU" suffix that is found in Xen virtual machines
-    if len(version) > 5 and version[-5:] == "-xenU":
-        version = version[:-5]
-
-    path = "/usr/src/linux-headers-" + version
-    D("probing %s for kernel headers" % (path+"/include"))
-    ret = os.path.isdir( path )
-    if ret:
-        D("found kernel headers in: %s" % (path + "/include"))
-        return path
-    return None
-
-
-# parser for the SYSCALLS.TXT file
-#
-class SysCallsTxtParser:
-    def __init__(self):
-        self.syscalls = []
-        self.lineno   = 0
-
-    def E(msg):
-        print "%d: %s" % (self.lineno, msg)
-
-    def parse_line(self, line):
-        pos_lparen = line.find('(')
-        E          = self.E
-        if pos_lparen < 0:
-            E("missing left parenthesis in '%s'" % line)
-            return
-
-        pos_rparen = line.rfind(')')
-        if pos_rparen < 0 or pos_rparen <= pos_lparen:
-            E("missing or misplaced right parenthesis in '%s'" % line)
-            return
-
-        return_type = line[:pos_lparen].strip().split()
-        if len(return_type) < 2:
-            E("missing return type in '%s'" % line)
-            return
-
-        syscall_func = return_type[-1]
-        return_type  = string.join(return_type[:-1],' ')
-
-        pos_colon = syscall_func.find(':')
-        if pos_colon < 0:
-            syscall_name = syscall_func
-        else:
-            if pos_colon == 0 or pos_colon+1 >= len(syscall_func):
-                E("misplaced colon in '%s'" % line)
-                return
-            syscall_name = syscall_func[pos_colon+1:]
-            syscall_func = syscall_func[:pos_colon]
-
-        if pos_rparen > pos_lparen+1:
-            syscall_params = line[pos_lparen+1:pos_rparen].split(',')
-            params         = string.join(syscall_params,',')
-        else:
-            syscall_params = []
-            params         = "void"
-
-        number = line[pos_rparen+1:].strip()
-        if number == "stub":
-            syscall_id  = -1
-            syscall_id2 = -1
-        else:
-            try:
-                if number[0] == '#':
-                    number = number[1:].strip()
-                numbers = string.split(number,',')
-                syscall_id  = int(numbers[0])
-                syscall_id2 = syscall_id
-                if len(numbers) > 1:
-                    syscall_id2 = int(numbers[1])
-            except:
-                E("invalid syscall number in '%s'" % line)
-                return
-
-        t = { "id"     : syscall_id,
-              "id2"    : syscall_id2,
-              "name"   : syscall_name,
-              "func"   : syscall_func,
-              "params" : syscall_params,
-              "decl"   : "%-15s  %s (%s);" % (return_type, syscall_func, params) }
-
-        self.syscalls.append(t)
-
-    def parse_file(self, file_path):
-        fp = open(file_path)
-        for line in fp.xreadlines():
-            self.lineno += 1
-            line = line.strip()
-            if not line: continue
-            if line[0] == '#': continue
-            self.parse_line(line)
-
-        fp.close()
-
-
-class Output:
-    def  __init__(self,out=sys.stdout):
-        self.out = out
-
-    def write(self,msg):
-        self.out.write(msg)
-
-    def writeln(self,msg):
-        self.out.write(msg)
-        self.out.write("\n")
-
-class StringOutput:
-    def __init__(self):
-        self.line = ""
-
-    def write(self,msg):
-        self.line += msg
-        D2("write '%s'" % msg)
-
-    def writeln(self,msg):
-        self.line += msg + '\n'
-        D2("write '%s\\n'"% msg)
-
-    def get(self):
-        return self.line
-
-
-def create_file_path(path):
-    dirs = []
-    while 1:
-        parent = os.path.dirname(path)
-        #print "parent: %s <- %s" % (parent, path)
-        if parent == "/" or parent == "":
-            break
-        dirs.append(parent)
-        path = parent
-
-    dirs.reverse()
-    for dir in dirs:
-        #print "dir %s" % dir
-        if os.path.isdir(dir):
-            continue
-        os.mkdir(dir)
-
-def walk_source_files(paths,callback,args,excludes=[]):
-    """recursively walk a list of paths and files, only keeping the source files in directories"""
-    for path in paths:
-        if not os.path.isdir(path):
-            callback(path,args)
-        else:
-            for root, dirs, files in os.walk(path):
-                #print "w-- %s (ex: %s)" % (repr((root,dirs)), repr(excludes))
-                if len(excludes):
-                    for d in dirs[:]:
-                        if d in excludes:
-                            dirs.remove(d)
-                for f in files:
-                    r, ext = os.path.splitext(f)
-                    if ext in [ ".h", ".c", ".cpp", ".S" ]:
-                        callback( "%s/%s" % (root,f), args )
-
-def cleanup_dir(path):
-    """create a directory if needed, and ensure that it is totally empty
-       by removing any existing content in it"""
-    if not os.path.exists(path):
-        os.mkdir(path)
-    else:
-        for root, dirs, files in os.walk(path, topdown=False):
-            if root.endswith("kernel_headers/"):
-                # skip 'kernel_headers'
-                continue
-            for name in files:
-                os.remove(os.path.join(root, name))
-            for name in dirs:
-                os.rmdir(os.path.join(root, name))
-
-def update_file( path, newdata ):
-    """update a file on disk, only if its content has changed"""
-    if os.path.exists( path ):
-        try:
-            f = open( path, "r" )
-            olddata = f.read()
-            f.close()
-        except:
-            D("update_file: cannot read existing file '%s'" % path)
-            return 0
-
-        if oldata == newdata:
-            D2("update_file: no change to file '%s'" % path )
-            return 0
-
-        update = 1
-    else:
-        try:
-            create_file_path(path)
-        except:
-            D("update_file: cannot create path to '%s'" % path)
-            return 0
-
-    f = open( path, "w" )
-    f.write( newdata )
-    f.close()
-
-    return 1
-
-
-class BatchFileUpdater:
-    """a class used to edit several files at once"""
-    def __init__(self):
-        self.old_files = set()
-        self.new_files = set()
-        self.new_data  = {}
-
-    def readFile(self,path):
-        #path = os.path.realpath(path)
-        if os.path.exists(path):
-            self.old_files.add(path)
-
-    def readDir(self,path):
-        #path = os.path.realpath(path)
-        for root, dirs, files in os.walk(path):
-            for f in files:
-                dst = "%s/%s" % (root,f)
-                self.old_files.add(dst)
-
-    def editFile(self,dst,data):
-        """edit a destination file. if the file is not mapped from a source,
-           it will be added. return 0 if the file content wasn't changed,
-           1 if it was edited, or 2 if the file is new"""
-        #dst = os.path.realpath(dst)
-        result = 1
-        if os.path.exists(dst):
-            f = open(dst, "r")
-            olddata = f.read()
-            f.close()
-            if olddata == data:
-                self.old_files.remove(dst)
-                return 0
-        else:
-            result = 2
-
-        self.new_data[dst] = data
-        self.new_files.add(dst)
-        return result
-
-    def getChanges(self):
-        """determine changes, returns (adds, deletes, edits)"""
-        adds    = set()
-        edits   = set()
-        deletes = set()
-
-        for dst in self.new_files:
-            if not (dst in self.old_files):
-                adds.add(dst)
-            else:
-                edits.add(dst)
-
-        for dst in self.old_files:
-            if not dst in self.new_files:
-                deletes.add(dst)
-
-        return (adds, deletes, edits)
-
-    def _writeFile(self,dst,data=None):
-        if not os.path.exists(os.path.dirname(dst)):
-            create_file_path(dst)
-        if data == None:
-            data = self.new_data[dst]
-        f = open(dst, "w")
-        f.write(self.new_data[dst])
-        f.close()
-
-    def updateFiles(self):
-        adds, deletes, edits = self.getChanges()
-
-        for dst in sorted(adds):
-            self._writeFile(dst)
-
-        for dst in sorted(edits):
-            self._writeFile(dst)
-
-        for dst in sorted(deletes):
-            os.remove(dst)
-
-    def updateP4Files(self):
-        adds, deletes, edits = self.getChanges()
-
-        if len(adds):
-            files = string.join(sorted(adds)," ")
-            D( "%d new files will be p4 add-ed" % len(adds) )
-            for dst in adds:
-                self._writeFile(dst)
-            D2("P4 ADDS: %s" % files)
-            o = commands.getoutput( "p4 add " + files )
-            D2( o )
-
-        if len(edits):
-            files = string.join(sorted(edits)," ")
-            D( "%d files will be p4 edit-ed" % len(edits) )
-            D2("P4 EDITS: %s" % files)
-            o = commands.getoutput( "p4 edit " + files )
-            D2( o )
-            for dst in edits:
-                self._writeFile(dst)
-
-        if len(deletes):
-            files = string.join(sorted(deletes)," ")
-            D( "%d files will be p4 delete-d" % len(deletes) )
-            D2("P4 DELETES: %s" % files)
-            o = commands.getoutput( "p4 delete " + files )
-            D2( o )