Separation Generator to a dedicated repo

Change-Id: Id94831651c3266861435272a6e36c7884bef2c45
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 0 insertions, 289 deletions

diff --git a/CAN-binder/libs/nanopb/docs/migration.rst b/CAN-binder/libs/nanopb/docs/migration.rst
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-=====================================
-Nanopb: Migration from older versions
-=====================================
-
-.. include :: menu.rst
-
-This document details all the breaking changes that have been made to nanopb
-since its initial release. For each change, the rationale and required
-modifications of user applications are explained. Also any error indications
-are included, in order to make it easier to find this document.
-
-.. contents ::
-
-Nanopb-0.3.8 (2017-03-05)
-=========================
-Fully drain substreams before closing
-
-**Rationale:** If the substream functions were called directly and the caller
-did not completely empty the substring before closing it, the parent stream
-would be put into an incorrect state.
-
-**Changes:** *pb_close_string_substream* can now error and returns a boolean.
-
-**Required actions:** Add error checking onto any call to
-*pb_close_string_substream*.
-
-Nanopb-0.3.5 (2016-02-13)
-=========================
-
-Add support for platforms without uint8_t
------------------------------------------
-**Rationale:** Some platforms cannot access 8-bit sized values directly, and
-do not define *uint8_t*. Nanopb previously didn't support these platforms.
-
-**Changes:** References to *uint8_t* were replaced with several alternatives,
-one of them being a new *pb_byte_t* typedef. This in turn uses *uint_least8_t*
-which means the smallest available type.
-
-**Required actions:** If your platform does not have a standards-compliant
-*stdint.h*, it may lack the definition for *[u]int_least8_t*. This must be
-added manually, example can be found in *extra/pb_syshdr.h*.
-
-**Error indications:** Compiler error: "unknown type name 'uint_least8_t'".
-
-Nanopb-0.3.2 (2015-01-24)
-=========================
-
-Add support for OneOfs
-----------------------
-**Rationale:** Previously nanopb did not support the *oneof* construct in
-*.proto* files. Those fields were generated as regular *optional* fields.
-
-**Changes:** OneOfs are now generated as C unions. Callback fields are not
-supported inside oneof and generator gives an error.
-
-**Required actions:** The generator option *no_unions* can be used to restore old
-behaviour and to allow callbacks to be used. To use unions, one change is
-needed: use *which_xxxx* field to detect which field is present, instead
-of *has_xxxx*. Compare the value against *MyStruct_myfield_tag*.
-
-**Error indications:** Generator error: "Callback fields inside of oneof are
-not supported". Compiler error: "Message" has no member named "has_xxxx".
-
-Nanopb-0.3.0 (2014-08-26)
-=========================
-
-Separate field iterator logic to pb_common.c
---------------------------------------------
-**Rationale:** Originally, the field iteration logic was simple enough to be
-duplicated in *pb_decode.c* and *pb_encode.c*. New field types have made the
-logic more complex, which required the creation of a new file to contain the
-common functionality.
-
-**Changes:** There is a new file, *pb_common.c*, which must be included in
-builds.
-
-**Required actions:** Add *pb_common.c* to build rules. This file is always
-required. Either *pb_decode.c* or *pb_encode.c* can still be left out if some
-functionality is not needed.
-
-**Error indications:** Linker error: undefined reference to
-*pb_field_iter_begin*, *pb_field_iter_next* or similar.
-
-Change data type of field counts to pb_size_t
----------------------------------------------
-**Rationale:** Often nanopb is used with small arrays, such as 255 items or
-less. Using a full *size_t* field to store the array count wastes memory if
-there are many arrays. There already exists parameters *PB_FIELD_16BIT* and
-*PB_FIELD_32BIT* which tell nanopb what is the maximum size of arrays in use.
-
-**Changes:** Generator will now use *pb_size_t* for the array *_count* fields.
-The size of the type will be controlled by the *PB_FIELD_16BIT* and
-*PB_FIELD_32BIT* compilation time options.
-
-**Required actions:** Regenerate all *.pb.h* files. In some cases casts to the
-*pb_size_t* type may need to be added in the user code when accessing the
-*_count* fields.
-
-**Error indications:** Incorrect data at runtime, crashes. But note that other
-changes in the same version already require regenerating the files and have
-better indications of errors, so this is only an issue for development
-versions.
-
-Renamed some macros and identifiers
------------------------------------
-**Rationale:** Some names in nanopb core were badly chosen and conflicted with
-ISO C99 reserved names or lacked a prefix. While they haven't caused trouble
-so far, it is reasonable to switch to non-conflicting names as these are rarely
-used from user code.
-
-**Changes:** The following identifier names have changed:
-
-  * Macros:
-  
-    * STATIC_ASSERT(x) -> PB_STATIC_ASSERT(x)
-    * UNUSED(x) -> PB_UNUSED(x)
-  
-  * Include guards:
-  
-    * _PB_filename_ -> PB_filename_INCLUDED
-  
-  * Structure forward declaration tags:
-  
-    * _pb_field_t -> pb_field_s
-    * _pb_bytes_array_t -> pb_bytes_array_s
-    * _pb_callback_t -> pb_callback_s
-    * _pb_extension_type_t -> pb_extension_type_s
-    * _pb_extension_t -> pb_extension_s
-    * _pb_istream_t -> pb_istream_s
-    * _pb_ostream_t -> pb_ostream_s
-
-**Required actions:** Regenerate all *.pb.c* files. If you use any of the above
-identifiers in your application code, perform search-replace to the new name.
-
-**Error indications:** Compiler errors on lines with the macro/type names.
-
-Nanopb-0.2.9 (2014-08-09)
-=========================
-
-Change semantics of generator -e option
----------------------------------------
-**Rationale:** Some compilers do not accept filenames with two dots (like
-in default extension .pb.c). The *-e* option to the generator allowed changing
-the extension, but not skipping the extra dot.
-
-**Changes:** The *-e* option in generator will no longer add the prepending
-dot. The default value has been adjusted accordingly to *.pb.c* to keep the
-default behaviour the same as before.
-
-**Required actions:** Only if using the generator -e option. Add dot before
-the parameter value on the command line.
-
-**Error indications:** File not found when trying to compile generated files.
-
-Nanopb-0.2.7 (2014-04-07)
-=========================
-
-Changed pointer-type bytes field datatype
------------------------------------------
-**Rationale:** In the initial pointer encoding support since nanopb-0.2.5,
-the bytes type used a separate *pb_bytes_ptr_t* type to represent *bytes*
-fields. This made it easy to encode data from a separate, user-allocated
-buffer. However, it made the internal logic more complex and was inconsistent
-with the other types.
-
-**Changes:** Dynamically allocated bytes fields now have the *pb_bytes_array_t*
-type, just like statically allocated ones.
-
-**Required actions:** Only if using pointer-type fields with the bytes datatype.
-Change any access to *msg->field.size* to *msg->field->size*. Change any
-allocation to reserve space of amount *PB_BYTES_ARRAY_T_ALLOCSIZE(n)*. If the
-data pointer was begin assigned from external source, implement the field using
-a callback function instead.
-
-**Error indications:** Compiler error: unknown type name *pb_bytes_ptr_t*.
-
-Nanopb-0.2.4 (2013-11-07)
-=========================
-
-Remove the NANOPB_INTERNALS compilation option
-----------------------------------------------
-**Rationale:** Having the option in the headers required the functions to
-be non-static, even if the option is not used. This caused errors on some
-static analysis tools.
-
-**Changes:** The *#ifdef* and associated functions were removed from the
-header.
-
-**Required actions:** Only if the *NANOPB_INTERNALS* option was previously
-used. Actions are as listed under nanopb-0.1.3 and nanopb-0.1.6.
-
-**Error indications:** Compiler warning: implicit declaration of function
-*pb_dec_string*, *pb_enc_string*, or similar.
-
-Nanopb-0.2.1 (2013-04-14)
-=========================
-
-Callback function signature
----------------------------
-**Rationale:** Previously the auxilary data to field callbacks was passed
-as *void\**. This allowed passing of any data, but made it unnecessarily
-complex to return a pointer from callback.
-
-**Changes:** The callback function parameter was changed to *void\*\**.
-
-**Required actions:** You can continue using the old callback style by
-defining *PB_OLD_CALLBACK_STYLE*. Recommended action is to:
-
-  * Change the callback signatures to contain *void\*\** for decoders and
-    *void \* const \** for encoders.
-  * Change the callback function body to use *\*arg* instead of *arg*.
-
-**Error indications:** Compiler warning: assignment from incompatible
-pointer type, when initializing *funcs.encode* or *funcs.decode*.
-
-Nanopb-0.2.0 (2013-03-02)
-=========================
-
-Reformatted generated .pb.c file using macros
----------------------------------------------
-**Rationale:** Previously the generator made a list of C *pb_field_t*
-initializers in the .pb.c file. This led to a need to regenerate all .pb.c
-files after even small changes to the *pb_field_t* definition.
-
-**Changes:** Macros were added to pb.h which allow for cleaner definition
-of the .pb.c contents. By changing the macro definitions, changes to the
-field structure are possible without breaking compatibility with old .pb.c
-files.
-
-**Required actions:** Regenerate all .pb.c files from the .proto sources.
-
-**Error indications:** Compiler warning: implicit declaration of function
-*pb_delta_end*.
-
-Changed pb_type_t definitions
------------------------------
-**Rationale:** The *pb_type_t* was previously an enumeration type. This
-caused warnings on some compilers when using bitwise operations to set flags
-inside the values.
-
-**Changes:** The *pb_type_t* was changed to *typedef uint8_t*. The values
-were changed to *#define*. Some value names were changed for consistency.
-
-**Required actions:** Only if you directly access the `pb_field_t` contents
-in your own code, something which is not usually done. Needed changes:
-
-  * Change *PB_HTYPE_ARRAY* to *PB_HTYPE_REPEATED*.
-  * Change *PB_HTYPE_CALLBACK* to *PB_ATYPE()* and *PB_ATYPE_CALLBACK*.
-
-**Error indications:** Compiler error: *PB_HTYPE_ARRAY* or *PB_HTYPE_CALLBACK*
-undeclared.
-
-Nanopb-0.1.6 (2012-09-02)
-=========================
-
-Refactored field decoder interface
-----------------------------------
-**Rationale:** Similarly to field encoders in nanopb-0.1.3.
-
-**Changes:** New functions with names *pb_decode_\** were added.
-
-**Required actions:** By defining NANOPB_INTERNALS, you can still keep using
-the old functions. Recommended action is to replace any calls with the newer
-*pb_decode_\** equivalents.
-
-**Error indications:** Compiler warning: implicit declaration of function
-*pb_dec_string*, *pb_dec_varint*, *pb_dec_submessage* or similar.
-
-Nanopb-0.1.3 (2012-06-12)
-=========================
-
-Refactored field encoder interface
-----------------------------------
-**Rationale:** The old *pb_enc_\** functions were designed mostly for the
-internal use by the core. Because they are internally accessed through
-function pointers, their signatures had to be common. This led to a confusing
-interface for external users.
-
-**Changes:** New functions with names *pb_encode_\** were added. These have
-easier to use interfaces. The old functions are now only thin wrappers for
-the new interface.
-
-**Required actions:** By defining NANOPB_INTERNALS, you can still keep using
-the old functions. Recommended action is to replace any calls with the newer
-*pb_encode_\** equivalents.
-
-**Error indications:** Compiler warning: implicit declaration of function
-*pb_enc_string*, *pb_enc_varint, *pb_enc_submessage* or similar.
-