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Fixed some bad bugs in upb_env.
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Also added a unit test for upb_encoder that
demonstrates the bugs and the fix.
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Fix for stack overflow for cyclic defs.
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Fixes this bug that came up in the Ruby
extension:
https://github.com/google/protobuf/issues/425
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Ported upb to C89, for greater portability.
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A large part of this change contains surface-level
porting, like moving variable declarations to the
top of the block.
However there are a few more substantial things too:
- moved internal-only struct definitions to a separate
file (structdefs.int.h), for greater encapsulation
and ABI compatibility.
- removed the UPB_UPCAST macro, since it requires access
to the internal-only struct definitions. Replaced uses
with calls to inline, type-safe casting functions.
- removed the UPB_DEFINE_CLASS/UPB_DEFINE_STRUCT macros.
Class and struct definitions are now more explicit -- you
get to see the actual class/struct keywords in the source.
The casting convenience functions have been moved into
UPB_DECLARE_DERIVED_TYPE() and UPB_DECLARE_DERIVED_TYPE2().
- the new way that we duplicate base methods in derived types
is also more convenient and requires less duplication.
It is also less greppable, but hopefully that is not
too big a problem.
Compiler flags (-std=c89 -pedantic) should help to rigorously
enforce that the code is free of C99-isms.
A few functions are not available in C89 (strtoll). There
are temporary, hacky solutions in place.
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Restructure tables for C89 port and smaller size.
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Generating enums and intentries only if the tables are non-empty.
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Changes the data layout of tables slightly so that string
keys are prefixed with their size, rather than the size
being inline in the table itself.
This has a few benefits:
1. inttables shrink a bit, because there is no longer a wasted
and unused size field sitting in them.
2. This avoids the need to have a union in the table. This is
important for an impending C89 port of upb, since C89 has
literally no way of statically initializing a non-first union
member.
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Also added a separate ndebug build for testing that
-DNDEBUG builds still work.
Also disabled reference debugging by default, since it
requires either a global lock or -DUPB_THREAD_UNSAFE.
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Bugfix: seeded_alloc() should not realloc() user-provided memory.
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Don't back up decoder after skipunknown() unless we actually
successfully consumed input data.
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Also added an extra Clang-only warning flag.
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This change has several parts:
1. Resurrected tools/upbc. The code was all there but the build was
broken for open-source. Now you can type "make tools/upbc" and
it will build all necessary Lua modules and create a robust shell
script for running upbc.
2. Changed Lua module loading to no longer rely on OS-level .so
dependencies. The net effect of this is that you now only need
to set LUA_PATH and LUA_CPATH; setting LD_LIBRARY_PATH or rpaths
is no longer required. Downside: this drops compatibility with
Lua 5.1, since it depends on a feature that only exists in Lua >=5.2
(and LuaJIT).
3. Since upbc works again, I fixed the re-generation of the descriptor
files (descriptor.upb.h, descriptor.upb.c). "make genfiles" will
re-generate these as well as the JIT code generator.
4. Added a Travis test target that ensures that the checked-in generated
files are not out of date. I would do this for the Ragel generated
file also, but we can't count on all versions of Ragel to necessarily
generate identical output.
5. Changed Makefile to no longer automatically run Ragel to regenerate
the JSON parser. This is unfortuante, because it's convenient when
you're developing the JSON parser. However, "git clone" sometimes
skews the timestamps a little bit so that "make" thinks it needs to
regenerate these files for a fresh "git clone." This would normally
be harmless, but if the user doesn't have Ragel installed, it makes
the build fail completely. So now you have to explicitly regenerate
the Ragel output. If you want to you can uncomment the auto-generation
during development.
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Updating Readme links
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Sync from Google-internal development.
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Resolve compilation errors if compiled with strict warnings.
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Adding Travis test to build with strict warnings.
Fixing a warning in a test which used signed/unsigned integer comparison.
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Fixed JSON parser issue: missing NUL byte in parse_number() in some code paths.
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paths. Also, fix unused-function warnings.
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Support maps in JSON parsing and serialization.
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This is a sync of our internal developing of JSON parsing and
serialization. It implements native understanding of MapEntry
submessages, so that map fields with (key, value) pairs are serialized
as JSON maps (objects) natively rather than as arrays of objects with
'key' and 'value' fields. The parser also now understands how to emit
handler calls corresponding to MapEntry objects when processing a map
field.
This sync also picks up a bugfix in `table.c` to handle an alloc-failed
case.
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Support oneof defs in upb.
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This change adds support for a OneofDef (upb_oneofdef), which represents
a 'oneof' as introduced by Protocol Buffers. This is semantically a
union type that contains fields and in turn may be added to a
MessageDef. This change does not alter parsing or the handler
abstraction in any way, because a oneof has impact only at a higher
semantic level (i.e., any sort of storage of the fields in a message
object), which is user-specific with respect to upb.
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* JSON parser expanded to handle split buffers.
* bugfix to the protobuf decoder.
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Modified strtable to support length-delimited string keys.
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arbitrary binary data, e.g., to support strings from other languages as
key values.
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