Simplify debugger-ws.h #2266
Simplify debugger-ws.h #2266
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cc @jimmy-huang |
jerry-core/debugger/debugger-ws.c
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| uint8_t max_send_size = (JERRY_DEBUGGER_MAX_BUFFER_SIZE - JERRY_DEBUGGER_WEBSOCKET_HEADER_SIZE); | ||
| if (max_send_size > 125) | ||
| { | ||
| max_send_size = 125; |
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Add #define for these magics + a comment why it is 125?
jerry-core/debugger/debugger-ws.c
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| jerry_debugger_receive (jerry_debugger_uint8_data_t **message_data_p) /**< [out] data received from client */ | ||
| { | ||
| JERRY_ASSERT (JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED); | ||
| JERRY_ASSERT (JERRY_CONTEXT (debugger_max_receive_size) <= 125); |
jerry-core/debugger/debugger.h
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| jerry_debugger_send_header_t header; /**< message header */ | ||
| uint8_t type; /**< type of the message */ | ||
| jerry_debugger_frame_t frames[JERRY_DEBUGGER_SEND_MAX (jerry_debugger_frame_t)]; /**< frames */ | ||
| jerry_debugger_frame_t frames[1]; /**< frames */ |
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Why [1] and not [] (also in the other structs)?
Aren't these variable sized arrays?
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I think the latter is not supported by all C compilers.
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Isn't that part of C99 (the README claims that the project uses this standard)?
https://en.wikipedia.org/wiki/Flexible_array_member
In previous standards of the C language, it was common to declare a zero-sized array member instead of a flexible array member. The GCC compiler explicitly accepts zero-sized arrays for such purposes.
Maybe use that instead?
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What is the problem with 1?
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Static analyzers that perform bounds checking on array member access may fail.
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Which one? Coverity has no problem with it:
https://travis-ci.org/jerryscript-project/jerryscript/jobs/361615057
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I just realized that the definition is wrong (non-packed form), and it only works because it is never used. Perhaps we could replace the second member with a comment.
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Yeah, that makes sense to me.
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I finally chose []. I hope it is really part of C99.
| string_length += 1; | ||
| string_length -= max_byte_count; | ||
| string_p += max_byte_count; | ||
| } |
Remove several macros and types from it. This change simplify the required debugger interface. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
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@zherczeg thanks for helping with this. Now that the websocket related stuff is almost separated out as a separate layer, I'm starting to wonder whether it would make sense to not regard WS to be part of the JrS debug protocol. That way we can save some of the overhead for bandwidth-constraint transports like BLE. The websocket transport would on its turn rely on a "lower transport" that has a platform specific implementation (yet another "port" interface). Thoughts? cc @jimmy-huang |
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Exactly my plan. |
* Add the ability to throw an error to python debugger (jerryscript-project#2188) This patch makes it possible to throw an error from the python debugger client using the `throw` command. JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu * Fix typo and redundant text in the documentation. (jerryscript-project#2260) JerryScript-DCO-1.0-Signed-off-by: Daniel Vince vinced@inf.u-szeged.hu * Fix accessing the contents of a direct string (jerryscript-project#2261) In the `ecma_string_get_chars` method the contents of a direct string is accessed incorrectly. It tries to extract the magic string id from the string pointer but the direct string does not need this step. JerryScript-DCO-1.0-Signed-off-by: Peter Gal pgal.u-szeged@partner.samsung.com * Remove websocket message macros in debugger (jerryscript-project#2262) JERRY_DEBUGGER_INIT_SEND_MESSAGE JERRY_DEBUGGER_SET_SEND_MESSAGE_SIZE JERRY_DEBUGGER_SET_SEND_MESSAGE_SIZE_FROM_TYPE JerryScript-DCO-1.0-Signed-off-by: Jimmy Huang jimmy.huang@intel.com * Remove TARGET_HOST macros (jerryscript-project#2264) Remove TARGET_HOST defines from the jerry-libc module and replace with compiler provided macros. JerryScript-DCO-1.0-Signed-off-by: Istvan Miklos imiklos2@inf.u-szeged.hu * Fix bug in stringToCesu8 conversion for 0x7ff (jerryscript-project#2267) JerryScript-DCO-1.0-Signed-off-by: Geoff Gustafson geoff@linux.intel.com * Add ecma_free_all_enqueued_jobs function (jerryscript-project#2265) This function releases any remaining promise job that wasn't completed. Also added this function to `jerry_cleanup ()`, therefore it will be automatically run. JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu * Improve jerry_is_feature_enabled with object availability information (jerryscript-project#2250) JerryScript-DCO-1.0-Signed-off-by: Zsolt Raduska rzsolt@inf.u-szeged.hu * Add json parse and stringify function to jerryscript c api (jerryscript-project#2243) JerryScript-DCO-1.0-Signed-off-by: Zsolt Raduska rzsolt@inf.u-szeged.hu * Simplify debugger-ws.h (jerryscript-project#2266) Remove several macros and types from it. This change simplifies the external debugger interface. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com * Add finalize_cb to jerry_context_data_manager_t (jerryscript-project#2269) This patch adds a new finalize_cb callback to jerry_context_data_manager_t. The callback is run as the very last thing in jerry_cleanup, after the VM has been torn down entirely. There was already the deinit_cb, which is run while the VM is still in the process of being torn down. The reason the deinit_cb is not always sufficient is that there may still be objects alive (because they still being referenced) that have native pointers associated with the context manager that is being deinit'ed. As a result, the free_cb's for those objects can get called *after* the associated context manager's deinit_cb is run. This makes cleanup of manager state that is depended on by the live objects impossible to do in the deinit_cb. That type of cleanup can only be done when all values have been torn down completely. JerryScript-DCO-1.0-Signed-off-by: Martijn The martijn.the@intel.com * Rework snapshot generation API. (jerryscript-project#2259) Also remove eval context support. It provides no practical advantage. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com * Implement the ES2015 version of Object.getPrototypeOf and add a test file for it (jerryscript-project#2256) JerryScript-DCO-1.0-Signed-off-by: Peter Marki marpeter@inf.u-szeged.hu * Move DevTools integration code into jerry-client-ts subdir JerryScript-DCO-1.0-Signed-off-by: Geoff Gustafson geoff@linux.intel.com * Fix some things to match the new directory for TS code JerryScript-DCO-1.0-Signed-off-by: Geoff Gustafson geoff@linux.intel.com
Remove several macros and types from it. This change simplifies the external debugger interface. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
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Remove several macros and types from it. This change simplify the required debugger interface.