Hi, Igor!
Thanks for the patch!
LGTM
 
--
Best regards,
Maxim Kokryashkin
 
 
> 
>>Fixed 149 occurrences of E302 ("expected 2 blank lines, found 1") error
>>reported by pycodestyle[1].
>>
>>[1]:  https://www.flake8rules.com/rules/E302.html
>>
>>Signed-off-by: Igor Munkin < imun@tarantool.org >
>>---
>> src/luajit-gdb.py | 73 ++++++++++++++++++++++++++++++++++++++++++++
>> src/luajit_lldb.py | 76 ++++++++++++++++++++++++++++++++++++++++++++++
>> 2 files changed, 149 insertions(+)
>>
>>diff --git a/src/luajit-gdb.py b/src/luajit-gdb.py
>>index f87063f8..9c51be0b 100644
>>--- a/src/luajit-gdb.py
>>+++ b/src/luajit-gdb.py
>>@@ -18,6 +18,7 @@ if LEGACY:
>> 
>> gtype_cache = {}
>> 
>>+
>> def gtype(typestr):
>>     global gtype_cache
>>     if typestr in gtype_cache:
>>@@ -31,13 +32,16 @@ def gtype(typestr):
>>     gtype_cache[typestr] = gtype
>>     return gtype
>> 
>>+
>> def cast(typestr, val):
>>     return gdb.Value(val).cast(gtype(typestr))
>> 
>>+
>> def lookup(symbol):
>>     variable, _ = gdb.lookup_symbol(symbol)
>>     return variable.value() if variable else None
>> 
>>+
>> def parse_arg(arg):
>>     if not arg:
>>         return None
>>@@ -49,15 +53,19 @@ def parse_arg(arg):
>> 
>>     return ret
>> 
>>+
>> def tou64(val):
>>     return cast('uint64_t', val) & 0xFFFFFFFFFFFFFFFF
>> 
>>+
>> def tou32(val):
>>     return cast('uint32_t', val) & 0xFFFFFFFF
>> 
>>+
>> def i2notu32(val):
>>     return ~int(val) & 0xFFFFFFFF
>> 
>>+
>> def strx64(val):
>>     return re.sub('L?$', '',
>>                   hex(int(cast('uint64_t', val) & 0xFFFFFFFFFFFFFFFF)))
>>@@ -81,6 +89,7 @@ LJ_T = {
>>     'NUMX': i2notu32(13),
>> }
>> 
>>+
>> def typenames(value):
>>     return {
>>         LJ_T[k]: 'LJ_T' + k for k in LJ_T.keys()
>>@@ -105,6 +114,7 @@ FRAME = {
>>     'PCALLH': 0x7,
>> }
>> 
>>+
>> def frametypes(ft):
>>     return {
>>         FRAME['LUA']: 'L',
>>@@ -113,43 +123,55 @@ def frametypes(ft):
>>         FRAME['VARG']: 'V',
>>     }.get(ft, '?')
>> 
>>+
>> def bc_a(ins):
>>     return (ins >> 8) & 0xff
>> 
>>+
>> def frame_ftsz(framelink):
>>     return cast('ptrdiff_t', framelink['ftsz'] if LJ_FR2 \
>>                 else framelink['fr']['tp']['ftsz'])
>> 
>>+
>> def frame_pc(framelink):
>>     return cast('BCIns *', frame_ftsz(framelink)) if LJ_FR2 \
>>         else mref('BCIns *', framelink['fr']['tp']['pcr'])
>> 
>>+
>> def frame_prevl(framelink):
>>     return framelink - (1 + LJ_FR2 + bc_a(frame_pc(framelink)[-1]))
>> 
>>+
>> def frame_ispcall(framelink):
>>     return (frame_ftsz(framelink) & FRAME['PCALL']) == FRAME['PCALL']
>> 
>>+
>> def frame_sized(framelink):
>>     return (frame_ftsz(framelink) & ~FRAME_TYPEP)
>> 
>>+
>> def frame_prevd(framelink):
>>     return cast('TValue *', cast('char *', framelink) - frame_sized(framelink))
>> 
>>+
>> def frame_type(framelink):
>>     return frame_ftsz(framelink) & FRAME_TYPE
>> 
>>+
>> def frame_typep(framelink):
>>     return frame_ftsz(framelink) & FRAME_TYPEP
>> 
>>+
>> def frame_islua(framelink):
>>     return frametypes(int(frame_type(framelink))) == 'L' \
>>         and int(frame_ftsz(framelink)) > 0
>> 
>>+
>> def frame_prev(framelink):
>>     return frame_prevl(framelink) if frame_islua(framelink) \
>>         else frame_prevd(framelink)
>> 
>>+
>> def frame_sentinel(L):
>>     return mref('TValue *', L['stack']) + LJ_FR2
>> 
>>@@ -174,23 +196,29 @@ LIGHTUD_LO_MASK = (1 << LJ_LIGHTUD_BITS_LO) - 1
>> 
>> # }}}
>> 
>>+
>> def itype(o):
>>     return cast('uint32_t', o['it64'] >> 47) if LJ_GC64 else o['it']
>> 
>>+
>> def mref(typename, obj):
>>     return cast(typename, obj['ptr64'] if LJ_GC64 else obj['ptr32'])
>> 
>>+
>> def gcref(obj):
>>     return cast('GCobj *', obj['gcptr64'] if LJ_GC64
>>                 else cast('uintptr_t', obj['gcptr32']))
>> 
>>+
>> def gcval(obj):
>>     return cast('GCobj *', obj['gcptr64'] & LJ_GCVMASK if LJ_GC64
>>                 else cast('uintptr_t', obj['gcptr32']))
>> 
>>+
>> def gcnext(obj):
>>     return gcref(obj)['gch']['nextgc']
>> 
>>+
>> def L(L=None):
>>     # lookup a symbol for the main coroutine considering the host app
>>     # XXX Fragile: though the loop initialization looks like a crap but it
>>@@ -205,9 +233,11 @@ def L(L=None):
>>         if l:
>>             return cast('lua_State *', l)
>> 
>>+
>> def G(L):
>>     return mref('global_State *', L['glref'])
>> 
>>+
>> def J(g):
>>     typeGG = gtype('GG_State')
>> 
>>@@ -215,6 +245,7 @@ def J(g):
>>                 - int(typeGG['g'].bitpos / 8)
>>                 + int(typeGG['J'].bitpos / 8))
>> 
>>+
>> def vm_state(g):
>>     return {
>>         i2notu32(0): 'INTERP',
>>@@ -228,6 +259,7 @@ def vm_state(g):
>>         i2notu32(8): 'ASM',
>>     }.get(int(tou32(g['vmstate'])), 'TRACE')
>> 
>>+
>> def gc_state(g):
>>     return {
>>         0: 'PAUSE',
>>@@ -239,6 +271,7 @@ def gc_state(g):
>>         6: 'LAST',
>>     }.get(int(g['gc']['state']), 'INVALID')
>> 
>>+
>> def jit_state(g):
>>     return {
>>         0: 'IDLE',
>>@@ -250,18 +283,22 @@ def jit_state(g):
>>         0x15: 'ERR',
>>     }.get(int(J(g)['state']), 'INVALID')
>> 
>>+
>> def tvisint(o):
>>     return LJ_DUALNUM and itype(o) == LJ_TISNUM
>> 
>>+
>> def tvisnumber(o):
>>     return itype(o) <= LJ_TISNUM
>> 
>>+
>> def tvislightud(o):
>>     if LJ_64 and not LJ_GC64:
>>         return (cast('int32_t', itype(o)) >> 15) == -2
>>     else:
>>         return itype(o) == LJ_T['LIGHTUD']
>> 
>>+
>> def strdata(obj):
>>     # String is printed with pointer to it, thanks to gdb. Just strip it.
>>     try:
>>@@ -269,6 +306,7 @@ def strdata(obj):
>>     except UnicodeEncodeError:
>>         return "<luajit-gdb: error occured while rendering non-ascii slot>"
>> 
>>+
>> def itypemap(o):
>>     if LJ_64 and not LJ_GC64:
>>         return LJ_T['NUMX'] if tvisnumber(o) \
>>@@ -277,12 +315,14 @@ def itypemap(o):
>>     else:
>>         return LJ_T['NUMX'] if tvisnumber(o) else itype(o)
>> 
>>+
>> def funcproto(func):
>>     assert(func['ffid'] == 0)
>> 
>>     return cast('GCproto *',
>>                 mref('char *', func['pc']) - gdb.lookup_type('GCproto').sizeof)
>> 
>>+
>> def gclistlen(root, end=0x0):
>>     count = 0
>>     while(gcref(root) != end):
>>@@ -290,6 +330,7 @@ def gclistlen(root, end=0x0):
>>         root = gcnext(root)
>>     return count
>> 
>>+
>> def gcringlen(root):
>>     if not gcref(root):
>>         return 0
>>@@ -307,6 +348,7 @@ gclen = {
>>     'mmudata': gcringlen,
>> }
>> 
>>+
>> # The generator that implements frame iterator.
>> # Every frame is represented as a tuple of framelink and frametop.
>> def frames(L):
>>@@ -320,6 +362,7 @@ def frames(L):
>>             break
>>         framelink = frame_prev(framelink)
>> 
>>+
>> def lightudV(tv):
>>     if LJ_64:
>>         u = int(tv['u64'])
>>@@ -333,33 +376,42 @@ def lightudV(tv):
>> 
>> # Dumpers {{{
>> 
>>+
>> def dump_lj_tnil(tv):
>>     return 'nil'
>> 
>>+
>> def dump_lj_tfalse(tv):
>>     return 'false'
>> 
>>+
>> def dump_lj_ttrue(tv):
>>     return 'true'
>> 
>>+
>> def dump_lj_tlightud(tv):
>>     return 'light userdata @ {}'.format(strx64(lightudV(tv)))
>> 
>>+
>> def dump_lj_tstr(tv):
>>     return 'string {body} @ {address}'.format(
>>         body=strdata(gcval(tv['gcr'])),
>>         address=strx64(gcval(tv['gcr']))
>>     )
>> 
>>+
>> def dump_lj_tupval(tv):
>>     return 'upvalue @ {}'.format(strx64(gcval(tv['gcr'])))
>> 
>>+
>> def dump_lj_tthread(tv):
>>     return 'thread @ {}'.format(strx64(gcval(tv['gcr'])))
>> 
>>+
>> def dump_lj_tproto(tv):
>>     return 'proto @ {}'.format(strx64(gcval(tv['gcr'])))
>> 
>>+
>> def dump_lj_tfunc(tv):
>>     func = cast('struct GCfuncC *', gcval(tv['gcr']))
>>     ffid = func['ffid']
>>@@ -377,6 +429,7 @@ def dump_lj_tfunc(tv):
>>     else:
>>         return 'fast function #{}'.format(int(ffid))
>> 
>>+
>> def dump_lj_ttrace(tv):
>>     trace = cast('struct GCtrace *', gcval(tv['gcr']))
>>     return 'trace {traceno} @ {addr}'.format(
>>@@ -384,9 +437,11 @@ def dump_lj_ttrace(tv):
>>         addr=strx64(trace)
>>     )
>> 
>>+
>> def dump_lj_tcdata(tv):
>>     return 'cdata @ {}'.format(strx64(gcval(tv['gcr'])))
>> 
>>+
>> def dump_lj_ttab(tv):
>>     table = cast('GCtab *', gcval(tv['gcr']))
>>     return 'table @ {gcr} (asize: {asize}, hmask: {hmask})'.format(
>>@@ -395,15 +450,18 @@ def dump_lj_ttab(tv):
>>         hmask=strx64(table['hmask']),
>>     )
>> 
>>+
>> def dump_lj_tudata(tv):
>>     return 'userdata @ {}'.format(strx64(gcval(tv['gcr'])))
>> 
>>+
>> def dump_lj_tnumx(tv):
>>     if tvisint(tv):
>>         return 'integer {}'.format(cast('int32_t', tv['i']))
>>     else:
>>         return 'number {}'.format(cast('double', tv['n']))
>> 
>>+
>> def dump_lj_invalid(tv):
>>     return 'not valid type @ {}'.format(strx64(gcval(tv['gcr'])))
>> 
>>@@ -426,13 +484,16 @@ dumpers = {
>>     'LJ_TNUMX': dump_lj_tnumx,
>> }
>> 
>>+
>> def dump_tvalue(tvalue):
>>     return dumpers.get(typenames(itypemap(tvalue)), dump_lj_invalid)(tvalue)
>> 
>>+
>> def dump_framelink_slot_address(fr):
>>     return '{}:{}'.format(fr - 1, fr) if LJ_FR2 \
>>         else '{}'.format(fr) + PADDING
>> 
>>+
>> def dump_framelink(L, fr):
>>     if fr == frame_sentinel(L):
>>         return '{addr} [S ] FRAME: dummy L'.format(
>>@@ -448,6 +509,7 @@ def dump_framelink(L, fr):
>>         f=dump_lj_tfunc(fr - LJ_FR2),
>>     )
>> 
>>+
>> def dump_stack_slot(L, slot, base=None, top=None):
>>     base = base or L['base']
>>     top = top or L['top']
>>@@ -461,6 +523,7 @@ def dump_stack_slot(L, slot, base=None, top=None):
>>         value=dump_tvalue(slot),
>>     )
>> 
>>+
>> def dump_stack(L, base=None, top=None):
>>     base = base or L['base']
>>     top = top or L['top']
>>@@ -502,6 +565,7 @@ def dump_stack(L, base=None, top=None):
>> 
>>     return '\n'.join(dump)
>> 
>>+
>> def dump_gc(g):
>>     gc = g['gc']
>>     stats = ['{key}: {value}'.format(key=f, value=gc[f]) for f in (
>>@@ -530,6 +594,7 @@ class LJBase(gdb.Command):
>>         gdb.Command.__init__(self, name, gdb.COMMAND_DATA)
>>         gdb.write('{} command initialized\n'.format(name))
>> 
>>+
>> class LJDumpArch(LJBase):
>>     '''
>> lj-arch
>>@@ -549,6 +614,7 @@ pointers respectively.
>>             )
>>         )
>> 
>>+
>> class LJDumpTValue(LJBase):
>>     '''
>> lj-tv <TValue *>
>>@@ -582,6 +648,7 @@ error message occurs.
>>         tv = cast('TValue *', parse_arg(arg))
>>         gdb.write('{}\n'.format(dump_tvalue(tv)))
>> 
>>+
>> class LJDumpString(LJBase):
>>     '''
>> lj-str <GCstr *>
>>@@ -601,6 +668,7 @@ is replaced with the corresponding error when decoding fails.
>>             len=string['len'],
>>         ))
>> 
>>+
>> class LJDumpTable(LJBase):
>>     '''
>> lj-tab <GCtab *>
>>@@ -646,6 +714,7 @@ The command receives a GCtab adress and dumps the table contents:
>>                 n=mref('struct Node *', node['next'])
>>             ))
>> 
>>+
>> class LJDumpStack(LJBase):
>>     '''
>> lj-stack [<lua_State *>]
>>@@ -682,6 +751,7 @@ If L is ommited the main coroutine is used.
>>     def invoke(self, arg, from_tty):
>>         gdb.write('{}\n'.format(dump_stack(L(parse_arg(arg)))))
>> 
>>+
>> class LJState(LJBase):
>>     '''
>> lj-state
>>@@ -701,6 +771,7 @@ The command requires no args and dumps current VM and GC states
>>             }.items())
>>         )))
>> 
>>+
>> class LJGC(LJBase):
>>     '''
>> lj-gc
>>@@ -727,6 +798,7 @@ The command requires no args and dumps current GC stats:
>>             stats=dump_gc(g)
>>         ))
>> 
>>+
>> def init(commands):
>>     global LJ_64, LJ_GC64, LJ_FR2, LJ_DUALNUM, LJ_TISNUM, PADDING
>> 
>>@@ -783,6 +855,7 @@ def init(commands):
>> 
>>     gdb.write('luajit-gdb.py is successfully loaded\n')
>> 
>>+
>> def load(event=None):
>>     init({
>>         'lj-arch': LJDumpArch,
>>diff --git a/src/luajit_lldb.py b/src/luajit_lldb.py
>>index b62705c3..bd8353d5 100644
>>--- a/src/luajit_lldb.py
>>+++ b/src/luajit_lldb.py
>>@@ -21,6 +21,7 @@ LJ_TISNUM = None
>> # Global
>> target = None
>> 
>>+
>> class Ptr:
>>     def __init__(self, value, normal_type):
>>         self.value = value
>>@@ -82,6 +83,7 @@ class Ptr:
>>             return getattr(self.__deref, name)
>>         return self.__deref
>> 
>>+
>> class MetaStruct(type):
>>     def __init__(cls, name, bases, nmspc):
>>         super(MetaStruct, cls).__init__(name, bases, nmspc)
>>@@ -108,6 +110,7 @@ class MetaStruct(type):
>>                         property(make_general(field[1], field[0])),
>>                     )
>> 
>>+
>> class Struct(metaclass=MetaStruct):
>>     def __init__(self, value):
>>         self.value = value
>>@@ -274,6 +277,7 @@ class Command(object):
>>         automatically transformed into proper errors.
>>         """
>> 
>>+
>> def cast(typename, value):
>>     pointer_type = False
>>     name = None
>>@@ -321,31 +325,39 @@ def cast(typename, value):
>>     else:
>>         return casted
>> 
>>+
>> def lookup_global(name):
>>     return target.FindFirstGlobalVariable(name)
>> 
>>+
>> def type_member(type_obj, name):
>>     return next((x for x in type_obj.members if x.name == name), None)
>> 
>>+
>> def find_type(typename):
>>     return target.FindFirstType(typename)
>> 
>>+
>> def offsetof(typename, membername):
>>     type_obj = find_type(typename)
>>     member = type_member(type_obj, membername)
>>     assert member is not None
>>     return member.GetOffsetInBytes()
>> 
>>+
>> def sizeof(typename):
>>     type_obj = find_type(typename)
>>     return type_obj.GetByteSize()
>> 
>>+
>> def vtou64(value):
>>     return value.unsigned & 0xFFFFFFFFFFFFFFFF
>> 
>>+
>> def vtoi(value):
>>     return value.signed
>> 
>>+
>> def dbg_eval(expr):
>>     process = target.GetProcess()
>>     thread = process.GetSelectedThread()
>>@@ -354,17 +366,21 @@ def dbg_eval(expr):
>> 
>> # }}} Debugger specific
>> 
>>+
>> def gcval(obj):
>>     return cast(GCobjPtr, cast('uintptr_t', obj.gcptr & LJ_GCVMASK) if LJ_GC64
>>                 else cast('uintptr_t', obj.gcptr))
>> 
>>+
>> def gcref(obj):
>>     return cast(GCobjPtr, obj.gcptr if LJ_GC64
>>                 else cast('uintptr_t', obj.gcptr))
>> 
>>+
>> def gcnext(obj):
>>     return gcref(obj).gch.nextgc
>> 
>>+
>> def gclistlen(root, end=0x0):
>>     count = 0
>>     while(gcref(root) != end):
>>@@ -372,6 +388,7 @@ def gclistlen(root, end=0x0):
>>         root = gcnext(root)
>>     return count
>> 
>>+
>> def gcringlen(root):
>>     if not gcref(root):
>>         return 0
>>@@ -389,6 +406,7 @@ gclen = {
>>     'mmudata': gcringlen,
>> }
>> 
>>+
>> def dump_gc(g):
>>     gc = g.gc
>>     stats = ['{key}: {value}'.format(key=f, value=getattr(gc, f)) for f in (
>>@@ -407,9 +425,11 @@ def dump_gc(g):
>>     ) for stat, handler in gclen.items()]
>>     return '\n'.join(map(lambda s: '\t' + s, stats))
>> 
>>+
>> def mref(typename, obj):
>>     return cast(typename, obj.ptr)
>> 
>>+
>> def J(g):
>>     g_offset = offsetof('GG_State', 'g')
>>     J_offset = offsetof('GG_State', 'J')
>>@@ -418,9 +438,11 @@ def J(g):
>>         vtou64(cast('char *', g)) - g_offset + J_offset,
>>     )
>> 
>>+
>> def G(L):
>>     return mref(global_StatePtr, L.glref)
>> 
>>+
>> def L(L=None):
>>     # lookup a symbol for the main coroutine considering the host app
>>     # XXX Fragile: though the loop initialization looks like a crap but it
>>@@ -435,12 +457,15 @@ def L(L=None):
>>         if l:
>>             return lua_State(l)
>> 
>>+
>> def tou32(val):
>>     return val & 0xFFFFFFFF
>> 
>>+
>> def i2notu32(val):
>>     return ~int(val) & 0xFFFFFFFF
>> 
>>+
>> def vm_state(g):
>>     return {
>>         i2notu32(0): 'INTERP',
>>@@ -454,6 +479,7 @@ def vm_state(g):
>>         i2notu32(8): 'ASM',
>>     }.get(int(tou32(g.vmstate)), 'TRACE')
>> 
>>+
>> def gc_state(g):
>>     return {
>>         0: 'PAUSE',
>>@@ -465,6 +491,7 @@ def gc_state(g):
>>         6: 'LAST',
>>     }.get(g.gc.state, 'INVALID')
>> 
>>+
>> def jit_state(g):
>>     return {
>>         0: 'IDLE',
>>@@ -476,16 +503,19 @@ def jit_state(g):
>>         0x15: 'ERR',
>>     }.get(J(g).state, 'INVALID')
>> 
>>+
>> def strx64(val):
>>     return re.sub('L?$', '',
>>                   hex(int(val) & 0xFFFFFFFFFFFFFFFF))
>> 
>>+
>> def funcproto(func):
>>     assert(func.ffid == 0)
>>     proto_size = sizeof('GCproto')
>>     value = cast('uintptr_t', vtou64(mref('char *', func.pc)) - proto_size)
>>     return cast(GCprotoPtr, value)
>> 
>>+
>> def strdata(obj):
>>     try:
>>         ptr = cast('char *', obj + 1)
>>@@ -493,48 +523,61 @@ def strdata(obj):
>>     except UnicodeEncodeError:
>>         return "<luajit-lldb: error occured while rendering non-ascii slot>"
>> 
>>+
>> def itype(o):
>>     return tou32(o.it64 >> 47) if LJ_GC64 else o.it
>> 
>>+
>> def tvisint(o):
>>     return LJ_DUALNUM and itype(o) == LJ_TISNUM
>> 
>>+
>> def tvislightud(o):
>>     if LJ_64 and not LJ_GC64:
>>         return (vtoi(cast('int32_t', itype(o))) >> 15) == -2
>>     else:
>>         return itype(o) == LJ_T['LIGHTUD']
>> 
>>+
>> def tvisnumber(o):
>>     return itype(o) <= LJ_TISNUM
>> 
>>+
>> def dump_lj_tnil(tv):
>>     return 'nil'
>> 
>>+
>> def dump_lj_tfalse(tv):
>>     return 'false'
>> 
>>+
>> def dump_lj_ttrue(tv):
>>     return 'true'
>> 
>>+
>> def dump_lj_tlightud(tv):
>>     return 'light userdata @ {}'.format(strx64(gcval(tv.gcr)))
>> 
>>+
>> def dump_lj_tstr(tv):
>>     return 'string {body} @ {address}'.format(
>>         body=strdata(cast(GCstrPtr, gcval(tv.gcr))),
>>         address=strx64(gcval(tv.gcr))
>>     )
>> 
>>+
>> def dump_lj_tupval(tv):
>>     return 'upvalue @ {}'.format(strx64(gcval(tv.gcr)))
>> 
>>+
>> def dump_lj_tthread(tv):
>>     return 'thread @ {}'.format(strx64(gcval(tv.gcr)))
>> 
>>+
>> def dump_lj_tproto(tv):
>>     return 'proto @ {}'.format(strx64(gcval(tv.gcr)))
>> 
>>+
>> def dump_lj_tfunc(tv):
>>     func = cast(GCfuncCPtr, gcval(tv.gcr))
>>     ffid = func.ffid
>>@@ -552,6 +595,7 @@ def dump_lj_tfunc(tv):
>>     else:
>>         return 'fast function #{}'.format(ffid)
>> 
>>+
>> def dump_lj_ttrace(tv):
>>     trace = cast(GCtracePtr, gcval(tv.gcr))
>>     return 'trace {traceno} @ {addr}'.format(
>>@@ -559,9 +603,11 @@ def dump_lj_ttrace(tv):
>>         addr=strx64(trace)
>>     )
>> 
>>+
>> def dump_lj_tcdata(tv):
>>     return 'cdata @ {}'.format(strx64(gcval(tv.gcr)))
>> 
>>+
>> def dump_lj_ttab(tv):
>>     table = cast(GCtabPtr, gcval(tv.gcr))
>>     return 'table @ {gcr} (asize: {asize}, hmask: {hmask})'.format(
>>@@ -570,15 +616,18 @@ def dump_lj_ttab(tv):
>>         hmask=strx64(table.hmask),
>>     )
>> 
>>+
>> def dump_lj_tudata(tv):
>>     return 'userdata @ {}'.format(strx64(gcval(tv.gcr)))
>> 
>>+
>> def dump_lj_tnumx(tv):
>>     if tvisint(tv):
>>         return 'integer {}'.format(cast('int32_t', tv.i))
>>     else:
>>         return 'number {}'.format(tv.n)
>> 
>>+
>> def dump_lj_invalid(tv):
>>     return 'not valid type @ {}'.format(strx64(gcval(tv.gcr)))
>> 
>>@@ -616,6 +665,7 @@ LJ_T = {
>>     'NUMX': i2notu32(13),
>> }
>> 
>>+
>> def itypemap(o):
>>     if LJ_64 and not LJ_GC64:
>>         return LJ_T['NUMX'] if tvisnumber(o) \
>>@@ -623,11 +673,13 @@ def itypemap(o):
>>     else:
>>         return LJ_T['NUMX'] if tvisnumber(o) else itype(o)
>> 
>>+
>> def typenames(value):
>>     return {
>>         LJ_T[k]: 'LJ_T' + k for k in LJ_T.keys()
>>     }.get(int(value), 'LJ_TINVALID')
>> 
>>+
>> def dump_tvalue(tvptr):
>>     return dumpers.get(typenames(itypemap(tvptr)), dump_lj_invalid)(tvptr)
>> 
>>@@ -646,6 +698,7 @@ FRAME = {
>>     'PCALLH': 0x7,
>> }
>> 
>>+
>> def frametypes(ft):
>>     return {
>>         FRAME['LUA']: 'L',
>>@@ -654,17 +707,21 @@ def frametypes(ft):
>>         FRAME['VARG']: 'V',
>>     }.get(ft, '?')
>> 
>>+
>> def bc_a(ins):
>>     return (ins >> 8) & 0xff
>> 
>>+
>> def frame_ftsz(framelink):
>>     return vtou64(cast('ptrdiff_t', framelink.ftsz if LJ_FR2 \
>>                        else framelink.fr.tp.ftsz))
>> 
>>+
>> def frame_pc(framelink):
>>     return cast(BCInsPtr, frame_ftsz(framelink)) if LJ_FR2 \
>>         else mref(BCInsPtr, framelink.fr.tp.pcr)
>> 
>>+
>> def frame_prevl(framelink):
>>     # We are evaluating the `frame_pc(framelink)[-1])` with lldb's
>>     # REPL, because the lldb API is faulty and it's not possible to cast
>>@@ -673,32 +730,41 @@ def frame_prevl(framelink):
>>     # a pointer to it.
>>     return framelink - (1 + LJ_FR2 + bc_a(vtou64(dbg_eval('((BCIns *)' + str(frame_pc(framelink)) + ')[-1]'))))
>> 
>>+
>> def frame_ispcall(framelink):
>>     return (frame_ftsz(framelink) & FRAME['PCALL']) == FRAME['PCALL']
>> 
>>+
>> def frame_sized(framelink):
>>     return (frame_ftsz(framelink) & ~FRAME_TYPEP)
>> 
>>+
>> def frame_prevd(framelink):
>>     return framelink - int(frame_sized(framelink) / sizeof('TValue'))
>> 
>>+
>> def frame_type(framelink):
>>     return frame_ftsz(framelink) & FRAME_TYPE
>> 
>>+
>> def frame_typep(framelink):
>>     return frame_ftsz(framelink) & FRAME_TYPEP
>> 
>>+
>> def frame_islua(framelink):
>>     return frametypes(frame_type(framelink)) == 'L' \
>>         and frame_ftsz(framelink) > 0
>> 
>>+
>> def frame_prev(framelink):
>>     return frame_prevl(framelink) if frame_islua(framelink) \
>>         else frame_prevd(framelink)
>> 
>>+
>> def frame_sentinel(L):
>>     return mref(TValuePtr, L.stack) + LJ_FR2
>> 
>>+
>> # The generator that implements frame iterator.
>> # Every frame is represented as a tuple of framelink and frametop.
>> def frames(L):
>>@@ -712,6 +778,7 @@ def frames(L):
>>             break
>>         framelink = frame_prev(framelink)
>> 
>>+
>> def dump_framelink_slot_address(fr):
>>     return '{start:{padding}}:{end:{padding}}'.format(
>>         start=hex(int(fr - 1)),
>>@@ -722,6 +789,7 @@ def dump_framelink_slot_address(fr):
>>         padding=len(PADDING),
>>     )
>> 
>>+
>> def dump_framelink(L, fr):
>>     if fr == frame_sentinel(L):
>>         return '{addr} [S ] FRAME: dummy L'.format(
>>@@ -737,6 +805,7 @@ def dump_framelink(L, fr):
>>         f=dump_lj_tfunc(fr - LJ_FR2),
>>     )
>> 
>>+
>> def dump_stack_slot(L, slot, base=None, top=None):
>>     base = base or L.base
>>     top = top or L.top
>>@@ -750,6 +819,7 @@ def dump_stack_slot(L, slot, base=None, top=None):
>>         value=dump_tvalue(slot),
>>     )
>> 
>>+
>> def dump_stack(L, base=None, top=None):
>>     base = base or L.base
>>     top = top or L.top
>>@@ -845,6 +915,7 @@ The command requires no args and dumps current VM and GC states
>>             }.items())
>>         )))
>> 
>>+
>> class LJDumpArch(Command):
>>     '''
>> lj-arch
>>@@ -863,6 +934,7 @@ pointers respectively.
>>             )
>>         )
>> 
>>+
>> class LJGC(Command):
>>     '''
>> lj-gc
>>@@ -888,6 +960,7 @@ The command requires no args and dumps current GC stats:
>>             stats=dump_gc(g)
>>         ))
>> 
>>+
>> class LJDumpString(Command):
>>     '''
>> lj-str <GCstr *>
>>@@ -906,6 +979,7 @@ is replaced with the corresponding error when decoding fails.
>>             len=string_ptr.len,
>>         ))
>> 
>>+
>> class LJDumpTable(Command):
>>     '''
>> lj-tab <GCtab *>
>>@@ -950,6 +1024,7 @@ The command receives a GCtab adress and dumps the table contents:
>>                 n=strx64(mref(NodePtr, node.next))
>>             ))
>> 
>>+
>> class LJDumpStack(Command):
>>     '''
>> lj-stack [<lua_State *>]
>>@@ -999,6 +1074,7 @@ def register_commands(debugger, commands):
>>         )
>>         print('{cmd} command intialized'.format(cmd=cls.command))
>> 
>>+
>> def configure(debugger):
>>     global LJ_64, LJ_GC64, LJ_FR2, LJ_DUALNUM, PADDING, LJ_TISNUM, target
>>     target = debugger.GetSelectedTarget()
>>--
>>2.30.2
>