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Damien George 2c7a3061d5 py/runtime: Remove nlr protection when calling __next__ in mp_resume. 
And remove related comment about needing such protection when calling send.

Reasoning for removal is as follows:
- mp_resume is only called by the VM in YIELD_FROM opcode
- if send_value != MP_OBJ_NULL then throw_value == MP_OBJ_NULL
- so if __next__ or send are called then throw_value == MP_OBJ_NULL
- if __next__ or send raise an exception without nlr protection then the
  exception will be handled by the global exception handler of the VM
- this handler already has code to handle exceptions raised in YIELD_FROM,
  including correct handling of StopIteration
- this handler doesn't handle the case of injection of GeneratorExit, but
  this won't be needed because throw_value == MP_OBJ_NULL

Note that it's already possible for mp_resume() to raise an exception
(including StopIteration) from the unprotected call to type->iternext(), so
that's why the VM already has code to handle the case of exceptions coming
out of mp_resume().

This commit reduces code size by a bit, and significantly reduces C stack
usage when using yield-from, from 88 bytes down to 40 for Thumb2, and 152
down to 72 bytes for x86-64 (better than half).  (Note that gcc doesn't
seem to tail-call optimise the call from mp_resume() to mp_obj_gen_resume()
so this saving in C stack usage helps all uses of yield-from.)
2018-09-28 22:16:56 +10:00
..
argcheck.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
asmarm.c
py/asm*: Support assembling code to jump to a register, and get PC+off.
2018-08-16 13:45:24 +10:00
asmarm.h
py/asm*: Remove ASM_MOV_REG_ALIGNED_IMM emit macro, it's no longer used.
2018-09-27 23:39:08 +10:00
asmbase.c
py/asmbase: Revert removal of clearing of label offsets for native emit.
2017-12-08 19:07:00 +11:00
asmbase.h
py/asm: Remove need for dummy_data when doing initial assembler passes.
2016-12-09 22:50:58 +11:00
asmthumb.c
py/asm*: Remove ASM_MOV_REG_ALIGNED_IMM emit macro, it's no longer used.
2018-09-27 23:39:08 +10:00
asmthumb.h
py/asm*: Remove ASM_MOV_REG_ALIGNED_IMM emit macro, it's no longer used.
2018-09-27 23:39:08 +10:00
asmx64.c
py/asm*: Remove ASM_MOV_REG_ALIGNED_IMM emit macro, it's no longer used.
2018-09-27 23:39:08 +10:00
asmx64.h
py/asm*: Remove ASM_MOV_REG_ALIGNED_IMM emit macro, it's no longer used.
2018-09-27 23:39:08 +10:00
asmx86.c
py/asm*: Remove ASM_MOV_REG_ALIGNED_IMM emit macro, it's no longer used.
2018-09-27 23:39:08 +10:00
asmx86.h
py/asm*: Remove ASM_MOV_REG_ALIGNED_IMM emit macro, it's no longer used.
2018-09-27 23:39:08 +10:00
asmxtensa.c
py/asmxtensa: Make indirect calls using func table, not raw pointers.
2018-09-16 00:43:24 +10:00
asmxtensa.h
py/asm*: Remove ASM_MOV_REG_ALIGNED_IMM emit macro, it's no longer used.
2018-09-27 23:39:08 +10:00
bc0.h
py: Clean up unary and binary enum list to keep groups together.
2017-10-05 10:49:44 +11:00
bc.c
py/bc: Update opcode_format_table to match the bytecode.
2017-10-10 10:37:38 +11:00
bc.h
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
binary.c
py/objstr: Remove "make_qstr_if_not_already" arg from mp_obj_new_str.
2017-11-16 13:17:51 +11:00
binary.h
py/binary: Change internal bytearray typecode from 0 to 1.
2017-08-17 16:19:35 +10:00
builtin.h
extmod/moducryptolib: Add ucryptolib module with crypto functions.
2018-06-27 14:54:40 +10:00
builtinevex.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
builtinhelp.c
py: Simplify some cases of accessing the map of module and type dict.
2018-07-08 21:31:09 +10:00
builtinimport.c
py/builtinimport: Add compile-time option to disable external imports.
2018-02-20 18:00:44 +11:00
compile.c
py/emitnative: Place const objs for native code in separate const table.
2018-09-27 23:39:08 +10:00
compile.h
py/emit: Move MP_EMIT_OPT_xxx enums from compile.h to emitglue.h.
2018-09-15 12:17:09 +10:00
emit.h
py/emit: Completely remove set_native_type, arg type is set in compiler.
2018-09-15 13:00:11 +10:00
emitbc.c
py/emit: Completely remove set_native_type, arg type is set in compiler.
2018-09-15 13:00:11 +10:00
emitcommon.c
py/emit: Combine name and global into one func for load/store/delete.
2018-05-23 00:22:47 +10:00
emitglue.c
py: Make viper functions have the same entry signature as native.
2018-09-15 22:39:27 +10:00
emitglue.h
py/emit: Move MP_EMIT_OPT_xxx enums from compile.h to emitglue.h.
2018-09-15 12:17:09 +10:00
emitinlinethumb.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
emitinlinextensa.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
emitnarm.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnative.c
py/emitnative: Change type of const_table from uintptr_t to mp_uint_t.
2018-09-28 00:04:10 +10:00
emitnthumb.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnx64.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnx86.c
py: Make viper functions have the same entry signature as native.
2018-09-15 22:39:27 +10:00
emitnxtensa.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
formatfloat.c
py/formatfloat: Fix case where floats could render with negative digits.
2018-03-01 17:00:02 +11:00
formatfloat.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
frozenmod.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
frozenmod.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
gc.c
py/gc: In gc_alloc, reset n_free var right before search for free mem.
2018-08-14 16:11:21 +10:00
gc.h
py/gc: Add gc_sweep_all() function to run all remaining finalisers.
2018-06-12 11:55:29 +10:00
grammar.h
py/compile: Combine expr, xor_expr and and_expr into one function.
2018-06-22 17:00:29 +10:00
lexer.c
py/lexer: Add support for underscores in numeric literals.
2018-06-12 12:17:43 +10:00
lexer.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
makeqstrdata.py
py/modbuiltins: Make built-in dir support the __dir__ special method.
2018-05-10 23:14:23 +10:00
makeqstrdefs.py
py/makeqstrdefs.py: Optimise by using compiled re's so it runs faster.
2018-03-16 23:54:06 +11:00
makeversionhdr.py
py: Use "GEN" consistently for describing files generated in the build.
2018-02-22 12:48:51 +11:00
malloc.c
py/malloc: Give a compile warning if using finaliser without GC.
2018-07-09 14:40:02 +10:00
map.c
py: Fix compiling with debug enabled and make more use of DEBUG_printf.
2018-08-02 14:17:24 +10:00
misc.h
py/misc.h: Add MP_STATIC_ASSERT macro to do static assertions.
2018-05-18 23:31:00 +10:00
mkenv.mk
py/mkenv.mk: Use $(PYTHON) consistently when calling Python tools.
2017-11-15 11:56:58 +11:00
mkrules.mk
py/mkrules.mk: Regenerate all qstrs when config files change.
2018-06-12 13:53:43 +10:00
modarray.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
modbuiltins.c
py/modbuiltins: Make oct/hex work when !MICROPY_PY_BUILTINS_STR_OP_MODULO
2018-09-20 14:41:35 +10:00
modcmath.c
py: Change obsolete "///" comment formatting to normal comments.
2017-08-30 21:02:00 +10:00
modcollections.c
py/objdeque: Implement ucollections.deque type with fixed size.
2018-02-21 22:39:25 +11:00
modgc.c
py: Change obsolete "///" comment formatting to normal comments.
2017-08-30 21:02:00 +10:00
modio.c
py/modio: Add uio.IOBase class to allow to define user streams.
2018-06-12 12:29:26 +10:00
modmath.c
py/modmath: Add math.factorial, optimised and non-opt implementations.
2018-09-26 15:03:04 +10:00
modmicropython.c
py: Don't include mp_optimise_value or opt_level() if compiler disabled.
2018-04-04 14:24:03 +10:00
modstruct.c
py/modstruct: Check and prevent buffer-write overflow in struct packing.
2017-09-01 11:11:09 +10:00
modsys.c
py: Add checks for stream objects in print() and sys.print_exception().
2018-06-20 15:57:10 +10:00
modthread.c
py: Introduce a Python stack for scoped allocation.
2017-12-11 13:49:09 +11:00
moduerrno.c
py/moduerrno: Make list of errno codes configurable.
2017-02-22 12:58:11 +11:00
mpconfig.h
py/modmath: Add math.factorial, optimised and non-opt implementations.
2018-09-26 15:03:04 +10:00
mperrno.h
py/mperrno: Define MP_EWOULDBLOCK as EWOULDBLOCK, not EAGAIN.
2018-05-01 15:53:25 +10:00
mphal.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
mpprint.c
py/mpprint: Fix "%x" vs "%X" regression introduced in previous commit.
2017-12-07 10:31:14 +02:00
mpprint.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
mpstate.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
mpstate.h
extmod/uos_dupterm: Use native C stream methods on dupterm object.
2018-06-12 15:06:11 +10:00
mpthread.h
all: Unify header guard usage.
2017-07-18 11:57:39 +10:00
mpz.c
py/mpz: Avoid undefined behavior at integer overflow in mpz_hash.
2018-05-21 12:48:26 +10:00
mpz.h
py/mpz: Simplify handling of borrow and quo adjustment in mpn_div.
2017-12-29 14:05:48 +11:00
nativeglue.c
py: Make viper functions have the same entry signature as native.
2018-09-15 22:39:27 +10:00
nlr.c
py/nlr: Fix missing trailing characters in comments in nlr.c
2017-12-29 22:24:53 +11:00
nlr.h
py/nlr: Fix nlr functions for 64bit ports built with gcc on Windows
2017-12-29 22:24:46 +11:00
nlrsetjmp.c
py/nlr: Factor out common NLR code to macro and generic funcs in nlr.c.
2017-12-28 16:46:30 +11:00
nlrthumb.c
py/nlrthumb: Fix Clang support wrt use of "return 0".
2018-04-27 15:10:42 +10:00
nlrx64.c
py/nlr: Fix nlr functions for 64bit ports built with gcc on Windows
2017-12-29 22:24:46 +11:00
nlrx86.c
py/nlrx86: Use naked attribute on nlr_push for gcc 8.0 and higher.
2018-05-15 11:17:28 +10:00
nlrxtensa.c
py/nlr: Factor out common NLR code to macro and generic funcs in nlr.c.
2017-12-28 16:46:30 +11:00
obj.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
obj.h
py: Fix msvc C++ compiler warnings with MP_OBJ_FUN_MAKE_SIG macro.
2018-09-26 15:34:59 +10:00
objarray.c
py/objarray: bytearray: Allow 2nd/3rd arg to constructor.
2018-09-11 15:10:10 +10:00
objarray.h
py/objarray: Replace 0x80 with new MP_OBJ_ARRAY_TYPECODE_FLAG_RW macro.
2018-06-18 13:40:53 +10:00
objattrtuple.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objbool.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objboundmeth.c
py: Convert all uses of alloca() to use new scoped allocation API.
2017-12-11 13:49:09 +11:00
objcell.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objclosure.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objcomplex.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
objdeque.c
py/objdeque: Fix sign extension bug when computing len of deque object.
2018-05-11 13:44:50 +10:00
objdict.c
py/objdict: Reword TODO about inlining mp_obj_dict_get to a note.
2018-09-27 15:14:12 +10:00
objenumerate.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objexcept.c
py/objexcept: Make MP_DEFINE_EXCEPTION public so ports can define excs.
2018-03-17 00:31:40 +11:00
objexcept.h
py/objexcept: Make MP_DEFINE_EXCEPTION public so ports can define excs.
2018-03-17 00:31:40 +11:00
objfilter.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objfloat.c
py/objfloat: Fix abs(-0.0) so it returns 0.0.
2018-09-27 15:21:25 +10:00
objfun.c
py: Make viper functions have the same entry signature as native.
2018-09-15 22:39:27 +10:00
objfun.h
py/objgenerator: Implement __name__ with normal fun attr accessor code.
2018-07-10 16:33:57 +10:00
objgenerator.c
py/objgenerator: Remove TODO about returning gen being called again.
2018-09-27 15:18:24 +10:00
objgenerator.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objgetitemiter.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objint_longlong.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
objint_mpz.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
objint.c
py/objint: Remove TODO about checking of int() arg types with 2 args.
2018-09-27 15:15:29 +10:00
objint.h
py/modbuiltins: Implement abs() by dispatching to MP_UNARY_OP_ABS.
2017-09-18 00:06:43 +03:00
objlist.c
all: Use NULL instead of "" when calling mp_raise exception helpers.
2017-10-24 22:39:36 +11:00
objlist.h
py/obj.h: Move declaration of mp_obj_list_init to objlist.h.
2018-03-13 14:03:15 +11:00
objmap.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objmodule.c
py/objmodule: Remove TODO about checking store attr to a module.
2018-09-27 15:16:24 +10:00
objmodule.h
py/objmodule: Factor common code for calling __init__ on builtin module.
2018-02-20 17:56:58 +11:00
objnamedtuple.c
py/objnamedtuple: Allow to reuse namedtuple basic functionality.
2017-11-20 09:30:06 +02:00
objnamedtuple.h
py/objnamedtuple: Allow to reuse namedtuple basic functionality.
2017-11-20 09:30:06 +02:00
objnone.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objobject.c
py/objtype: Refactor object's handling of __new__ to not create 2 objs.
2017-12-12 16:53:44 +11:00
objpolyiter.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objproperty.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objrange.c
py/objrange: Implement (in)equality comparison between range objects.
2018-02-14 23:17:06 +11:00
objreversed.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objset.c
py/objset: Remove unneeded check from set_equal.
2017-12-19 14:01:19 +11:00
objsingleton.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objslice.c
py/objslice: Remove long-obsolete comment about enhancing slice object.
2018-09-27 11:23:31 +10:00
objstr.c
py/objstr: format: Return bytes result for bytes format string.
2018-09-26 15:29:41 +10:00
objstr.h
py/objstr: Make mp_obj_new_str_of_type check for existing interned qstr.
2017-11-16 13:53:04 +11:00
objstringio.c
py/stream: Switch stream close operation from method to ioctl.
2018-04-10 13:41:32 +10:00
objstringio.h
py/objstringio: If created from immutable object, follow copy on write policy.
2017-06-09 17:33:01 +03:00
objstrunicode.c
py/unicode: Clean up utf8 funcs and provide non-utf8 inline versions.
2018-02-14 18:19:22 +11:00
objtuple.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objtuple.h
all: Convert mp_uint_t to mp_unary_op_t/mp_binary_op_t where appropriate
2017-08-29 13:16:30 +10:00
objtype.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
objtype.h
py/objtype: Don't expose mp_obj_instance_attr().
2018-06-08 11:48:25 +10:00
objzip.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
opmethods.c
py/runtime: Add MP_BINARY_OP_CONTAINS as reverse of MP_BINARY_OP_IN.
2017-11-24 14:48:23 +11:00
parse.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
parse.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
parsenum.c
py/parsenum: Avoid rounding errors with negative powers-of-10.
2018-09-20 22:06:41 +10:00
parsenum.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
parsenumbase.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
parsenumbase.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
persistentcode.c
py/emitglue: When assigning bytecode only pass bytecode len if needed.
2018-02-14 18:41:17 +11:00
persistentcode.h
py: Factor out persistent-code reader into separate files.
2016-11-16 18:13:50 +11:00
py.mk
py/py.mk: Build axtls library directly from its source files.
2018-09-08 00:07:23 +10:00
pystack.c
py/pystack: Use "pystack exhausted" as error msg for out of pystack mem.
2018-02-19 00:26:14 +11:00
pystack.h
py: Introduce a Python stack for scoped allocation.
2017-12-11 13:49:09 +11:00
qstr.c
py/qstr: Rewrite find_qstr to make manifest that it returns a valid ptr.
2017-11-29 17:01:39 +11:00
qstr.h
py/qstr: Add QSTR_TOTAL() macro to get number of qstrs.
2018-02-19 16:12:44 +11:00
qstrdefs.h
py/modbuiltins: Make oct/hex work when !MICROPY_PY_BUILTINS_STR_OP_MODULO
2018-09-20 14:41:35 +10:00
reader.c
py/reader: Allow MICROPY_VFS_POSIX to work with MICROPY_READER_POSIX.
2018-06-06 14:28:23 +10:00
reader.h
py: Allow lexer to raise exceptions during construction.
2017-03-14 11:52:05 +11:00
repl.c
py/repl: Fix handling of unmatched brackets and unfinished quotes.
2018-05-18 15:23:02 +10:00
repl.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
ringbuf.h
all: Unify header guard usage.
2017-07-18 11:57:39 +10:00
runtime0.h
py/emitnative: Place const objs for native code in separate const table.
2018-09-27 23:39:08 +10:00
runtime_utils.c
py: mp_call_function_*_protected(): Pass-thru return value if possible.
2017-12-05 00:38:41 +02:00
runtime.c
py/runtime: Remove nlr protection when calling __next__ in mp_resume.
2018-09-28 22:16:56 +10:00
runtime.h
py: Fix msvc C++ compiler warnings with MP_OBJ_FUN_MAKE_SIG macro.
2018-09-26 15:34:59 +10:00
scheduler.c
py: Add micropython.schedule() function and associated runtime code.
2017-03-20 15:20:26 +11:00
scope.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
scope.h
py/emitnative: Place const objs for native code in separate const table.
2018-09-27 23:39:08 +10:00
sequence.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
showbc.c
py: Clean up unary and binary enum list to keep groups together.
2017-10-05 10:49:44 +11:00
smallint.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
smallint.h
py: Extend nan-boxing config to have 47-bit small integers.
2017-12-11 22:39:12 +11:00
stackctrl.c
py/runtime: Move mp_exc_recursion_depth to runtime and rename to raise.
2017-12-11 13:49:09 +11:00
stackctrl.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
stream.c
py/stream: Adjust mp_stream_posix_XXX to take void*, not mp_obj_t.
2018-08-14 17:36:08 +10:00
stream.h
py/stream: Adjust mp_stream_posix_XXX to take void*, not mp_obj_t.
2018-08-14 17:36:08 +10:00
unicode.c
py/unicode: Clean up utf8 funcs and provide non-utf8 inline versions.
2018-02-14 18:19:22 +11:00
unicode.h
py/objstr: Add check for valid UTF-8 when making a str from bytes.
2017-09-06 16:43:09 +10:00
vm.c
py/vm: Fix case of throwing GeneratorExit type into yield-from.
2018-09-28 11:39:35 +10:00
vmentrytable.h
py: Clean up unary and binary enum list to keep groups together.
2017-10-05 10:49:44 +11:00
vstr.c
py/vstr: Raise a RuntimeError if fixed vstr buffer overflows.
2017-09-21 20:29:41 +10:00
warning.c
py: Add config option to print warnings/errors to stderr.
2017-09-26 11:59:11 +10:00