| Commit message (Collapse) | Author | Age |
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Allow Include What You Use to remove unnecessary includes and only
include what is necessary. This helps with reducing compilation times
and makes it easier to visualise which dependencies are actually
required.
Work on https://github.com/neovim/neovim/issues/549, but doesn't close
it since this only works fully for .c files and not headers.
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It's confusing to mix vendored dependencies with neovim source code. A
clean separation is simpler to keep track of and simpler to document.
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`!did_throw` doesn't exactly imply `!current_exception`, as `did_throw = false`
is sometimes used to defer exception handling for later (without forgetting the
exception). E.g: uncaught exception handling in `do_cmdline()` may be deferred
to a different call (e.g: when `try_level > 0`).
In #7881, `current_exception = NULL` in `do_cmdline()` is used as an analogue of
`did_throw = false`, but also causes the pending exception to be lost, which
also leaks as `discard_exception()` wasn't used.
It may be possible to fix this by saving/restoring `current_exception`, but
handling all of `did_throw`'s edge cases seems messier. Maybe not worth
diverging over.
This fix also uncovers a `man_spec.lua` bug on Windows: exceptions are thrown
due to Windows missing `man`, but they're lost; skip these tests if `man` isn't
executable.
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This avoids including ex_eval.h in any other header, thus preventing
future circular includes.
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use the MAXSIZE_TEMP_ARRAY + ADD_C pattern instead, as exemplified
by the changes in this commit.
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Note for external UIs: Nvim can now emit multiple "redraw" event batches
before a final "flush" event is received. To retain existing behavior,
clients should make sure to update visible state at an explicit "flush"
event, not just the end of a "redraw" batch of event.
* Get rid of copy_object() blizzard in the auto-generated ui_event layer
* Special case "grid_line" by encoding screen state directly to
msgpack events with no intermediate API events.
* Get rid of the arcane notion of referring to the screen as the "shell"
* Array and Dictionary are kvec_t:s, so define them as such.
* Allow kvec_t:s, such as Arrays and Dictionaries, to be allocated with
a predetermined size within an arena.
* Eliminate redundant capacity checking when filling such kvec_t:s
with values.
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Co-authored-by: Christian Clason <christian.clason@uni-due.de>
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Note: some of these changes are breaking, like change of API signatures
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* refactor: format all C files under nvim
* refactor: disable formatting for Vim-owned files:
* src/nvim/indent_c.c
* src/nvim/regexp.c
* src/nvim/regexp_nfa.c
* src/nvim/testdir/samples/memfile_test.c
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* refactor: format header files with uncrustify
* fixup(justin): skip formatting of terminfo_defs.h
* fixup: force winsock2 to be included first
* fixup: simplify disable/enable directive to "uncrustify:off/on"
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Do not copy a lot of lua strings (dict keys) to just strequal() them
Just compare them directly to a dedicated hash function.
feat(generators): HASHY McHASHFACE
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These things are just maps to pointers, no need to perform
a huge song and dance around it.
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Decorations will only grow more complex. move the to a separate
file, so that extmark.c remains about extmarks.
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¡NO HAY BANDA!
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...was using wrong macro argument.
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[skip.lint]
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closes #9136
- Treat empty {rhs} like <Nop>
- getchar.c: Pull "repl. MapArg termcodes" into func
The "preprocessing code" surrounding the replace_termcodes calls needs
to invoke replace_termcodes, and also check if RHS is equal to "<Nop>".
To reduce code duplication, factor this out into a helper function.
Also add an rhs_is_noop flag to MapArguments; buf_do_map_explicit
expects an empty {rhs} string for "<Nop>", but also needs to distinguish
that from something like ":map lhs<cr>" where no {rhs} was provided.
- getchar.c: Use allocated buffer for rhs in MapArgs
Since the MAXMAPLEN limit does not apply to the RHS of a mapping (or
else an RHS that calls a really long autoload function from a plugin
would be incorrectly rejected as being too long), use an allocated
buffer for RHS rather than a static buffer of length MAXMAPLEN + 1.
- Mappings LHS and RHS can contain literal space characters, newlines, etc.
- getchar.c: replace_termcodes in str_to_mapargs
It makes sense to do this; str_to_mapargs is, intuitively, supposed to
take a "raw" command string and parse it into a totally "do_map-ready"
struct.
- api/vim.c: Update lhs, rhs len after replace_termcodes
Fixes a bug in which replace_termcodes changes the length of lhs or rhs,
but the later search through the mappings/abbreviations hashtables
still uses the old length value. This would cause the search to fail
erroneously and throw 'E31: No such mapping' errors or 'E24: No such
abbreviation' errors.
- getchar: Create new map_arguments struct
So that a string of map arguments can be parsed into a more useful, more
portable data structure.
- getchar.c: Add buf_do_map function
Exactly the same as the old do_map, but replace the hardcoded references
to the global `buf_T* curbuf` with a function parameter so that we can
invoke it from nvim_buf_set_keymap.
- Remove gettext calls in do_map error handling
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Removes obsolete did_throw after that.
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This fixes memory leak reported by ASAN. This also somehow fixes test40, though
I have no idea why except that that test yields memory leak report.
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Problem: when processing cycle such as
:for pat in [' \ze*', ' \zs*']
: try
: let l = matchlist('x x', pat)
: $put ='E888 NOT detected for ' . pat
: catch
: $put ='E888 detected for ' . pat
: endtry
:endfor
`:let l = …` throwing an error causes this error to be caught after
color_cmdline attempts to get callback for highlighting next line (the one with
`$put = 'E888 NOT…`). Saving/restoring state prevents this from happening.
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Closes #5984
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During testing found the following bugs:
1. msgpack-gen.lua script is completely unprepared for Float values either in
return type or in arguments. Specifically:
1. At the time of writing relevant code FLOAT_OBJ did not exist as well as
FLOATING_OBJ, but it would be used by msgpack-gen.lua should return type
be Float. I added FLOATING_OBJ macros later because did not know that
msgpack-gen.lua uses these _OBJ macros, otherwise it would be FLOAT_OBJ.
2. msgpack-gen.lua should use .data.floating in place of .data.float. But it
did not expect that .data subattribute may have name different from
lowercased type name.
2. vim_replace_termcodes returned its argument as-is if it receives an empty
string (as well as _vim_id*() functions did). But if something in returned
argument lives in an allocated memory such action will cause double free:
once when freeing arguments, then when freeing return value. It did not cause
problems yet because msgpack bindings return empty string as {NULL, 0} and
nothing was actually allocated.
3. New code in msgpack-gen.lua popped arguments in reversed order, making lua
bindings’ signatures be different from API ones.
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Since data.integer is a different (larger) integer type than
data.{buffer,window,tabpage}, we cannot abuse the union by using
data.integer to access the value for all 4 types. Instead, remove the
{buffer,window,tabpage} members and always use the integer member.
In order to accomodate this, perform distinct validation and coercion
between the Integer type and Buffer/Window/Tabpage types in
object_to_vim, msgpack_rpc helpers, and gendispatch.lua.
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This ought to prevent stack overflow, but I do not see this actually working:
*lua* code crashes with stack overflow when trying to deserialize msgpack from
Neovim, Neovim is fine even if nesting level is increased 100x (though test
becomes very slow); not sure how recursive function may survive this. So it
looks like there are currently only two positive effects:
1. NULL lists are returned as empty (#4596).
2. Functional tests are slightly more fast. Very slightly. Checked for Release
build for test/functional/eval tests because benchmarking of debug mode is
not very useful.
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What works:
1. ShaDa file dumping: header, registers, jump list, history, search patterns,
substitute strings, variables.
2. ShaDa file reading: registers, global marks, variables.
Most was not tested.
TODO:
1. Merging.
2. Reading history, local marks, jump and buffer lists.
3. Documentation update.
4. Converting some data from &encoding.
5. Safer variant of dumping viminfo (dump to temporary file then rename).
6. Removing old viminfo code (currently masked with `#if 0` in a ShaDa file for
reference).
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- Add error type information to `Error`
- Rename `set_api_error` to `api_set_error` for consistency with other api_*
functions/macros.
- Refactor the api_set_error macro to accept formatted strings and error types
- Improve error messages
- Wrap error messages with gettext macro
- Refactor msgpack-rpc serialization to transform Error instances into [type,
message] arrays
- Add error type information to API metadata
- Normalize nvim->client and client->nvim error handling(change
channel_send_call to accept an Error pointer instead of the `errored` boolean
pointer)
- Use macro to initialize Error structures
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- Move helpers that are specific to API types to api/private/helpers.{c,h}
- Include headers with generated declarations
- Delete unused macros
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This is how API dispatching worked before this commit:
- The generated `msgpack_rpc_dispatch` function receives a the `msgpack_packer`
argument.
- The response is incrementally built while validating/calling the API.
- Return values/errors are also packed into the `msgpack_packer` while the
final response is being calculated.
Now the `msgpack_packer` argument is no longer provided, and the
`msgpack_rpc_dispatch` function returns `Object`/`Error` values to
`msgpack_rpc_call`, which will use those values to build the response in a
single pass.
This was done because the new `channel_send_call` function created the
possibility of having recursive API invocations, and this wasn't possible when
sharing a single `msgpack_sbuffer` across call frames(it was shared implicitly
through the `msgpack_packer` instance).
Since we only start to build the response when the necessary information has
been computed, it's now safe to share a single `msgpack_sbuffer` instance
across all channels and API invocations.
Some other changes also had to be performed:
- Handling of the metadata discover was moved to `msgpack_rpc_call`
- Expose more types as subtypes of `Object`, this was required to forward the
return value from `msgpack_rpc_dispatch` to `msgpack_rpc_call`
- Added more helper macros for casting API types to `Object`
any
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- The 'stripdecls.py' script replaces declarations in all headers by includes to
generated headers.
`ag '#\s*if(?!ndef NEOVIM_).*((?!#\s*endif).*\n)*#ifdef INCLUDE_GENERATED'`
was used for this.
- Add and integrate gendeclarations.lua into the build system to generate the
required includes.
- Add -Wno-unused-function
- Made a bunch of old-style definitions ANSI
This adds a requirement: all type and structure definitions must be present
before INCLUDE_GENERATED_DECLARATIONS-protected include.
Warning: mch_expandpath (path.h.generated.h) was moved manually. So far it is
the only exception.
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Uses a perl script to move it (scripts/movedocs.pl)
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Relates to issue #760
These coverity warnings are of the form:
>>> CID 62602: Buffer not null terminated (BUFFER_SIZE_WARNING)
>>> Calling strncpy with a maximum size argument of 256 bytes...
This is caused by strncpy not alway NULL-terminated the destination buffer
(for example in the case where strlen(src) >= size(dst)). It's better to
replace that with (x)strlcpy, which always NULL-terminates.
Most of these are related to the set_api_error macro, which uses strncpy.
The error struct is used (for example) in msgpack_rpc_error, where strlen is
executed on it, so it needs to be NULL-terminated. (x)strlcpy, unlike
strncpy, always NULL-terminates the destination buffer.
Relevant parts of the coverity report:
*** CID 62602: Buffer not null terminated (BUFFER_SIZE_WARNING)
/src/nvim/api/vim.c: 236 in vim_set_current_buffer()
230 if (try_end(err)) {
231 return;
232 }
233
234 char msg[256];
235 snprintf(msg, sizeof(msg),
"failed to switch to buffer %d", (int)buffer);
>>> CID 62602: Buffer not null terminated (BUFFER_SIZE_WARNING)
>>> Calling strncpy with a maximum size argument of 256 bytes on
>>> destination array "err->msg" of size 256 bytes might leave the
>>> destination string unterminated.
236 set_api_error(msg, err);
237 return;
238 }
239
240 try_end(err);
241 }
*** CID 62603: Buffer not null terminated (BUFFER_SIZE_WARNING)
/src/nvim/api/private/helpers.c: 70 in try_end()
64 } else if (msg_list != NULL && *msg_list != NULL) {
65 int should_free;
66 char *msg = (char *)get_exception_string(*msg_list,
67 ET_ERROR,
68 NULL,
69 &should_free);
>>> CID 62603: Buffer not null terminated (BUFFER_SIZE_WARNING)
>>> Calling strncpy with a maximum size argument of 256 bytes on
>>> destination array "err->msg" of size 256 bytes might leave the
>>> destination string unterminated.
70 strncpy(err->msg, msg, sizeof(err->msg));
71 err->set = true;
72 free_global_msglist();
73
74 if (should_free) {
75 free(msg);
/src/nvim/api/private/helpers.c: 78 in try_end()
72 free_global_msglist();
73
74 if (should_free) {
75 free(msg);
76 }
77 } else if (did_throw) {
>>> CID 62603: Buffer not null terminated (BUFFER_SIZE_WARNING)
>>> Calling strncpy with a maximum size argument of 256 bytes on
>>> destination array "err->msg" of size 256 bytes might leave the
>>> destination string unterminated.
78 set_api_error((char *)current_exception->value, err);
79 }
80
81 return err->set;
82 }
83
*** CID 62604: Buffer not null terminated (BUFFER_SIZE_WARNING)
/src/nvim/api/private/helpers.c: 592 in set_option_value_err()
586 opt_flags)))
587 {
588 if (try_end(err)) {
589 return;
590 }
591
>>> CID 62604: Buffer not null terminated (BUFFER_SIZE_WARNING)
>>> Calling strncpy with a maximum size argument of 256 bytes on
>>> destination array "err->msg" of size 256 bytes might leave the
>>> destination string unterminated.
592 set_api_error(errmsg, err);
593 }
*** CID 62605: Buffer not null terminated (BUFFER_SIZE_WARNING)
/src/nvim/os/server.c: 114 in server_start()
108 if (addr_len > sizeof(ip) - 1) {
109 // Maximum length of a ip address buffer is 15(eg: 255.255.255.255)
110 addr_len = sizeof(ip);
111 }
112
113 // Extract the address part
>>> CID 62605: Buffer not null terminated (BUFFER_SIZE_WARNING)
>>> Calling strncpy with a maximum size argument of 16 bytes on
>>> destination array "ip" of size 16 bytes might leave the destination
>>> string unterminated.
114 strncpy(ip, addr, addr_len);
115
116 int port = NEOVIM_DEFAULT_TCP_PORT;
117
118 if (*ip_end == ':') {
119 char *port_end;
/src/nvim/os/server.c: 88 in server_start()
82
83 void server_start(char *endpoint, ChannelProtocol prot)
84 {
85 char addr[ADDRESS_MAX_SIZE];
86
87 // Trim to `ADDRESS_MAX_SIZE`
>>> CID 62605: Buffer not null terminated (BUFFER_SIZE_WARNING)
>>> Calling strncpy with a maximum size argument of 256 bytes on
>>> destination array "addr" of size 256 bytes might leave the
>>> destination string unterminated.
88 strncpy(addr, endpoint, sizeof(addr));
89
90 // Check if the server already exists
91 if (map_has(cstr_t)(servers, addr)) {
92 EMSG2("Already listening on %s", addr);
93 return;
*** CID 62606: Buffer not null terminated (BUFFER_SIZE_WARNING)
/src/nvim/os/server.c: 186 in server_stop()
180 void server_stop(char *endpoint)
181 {
182 Server *server;
183 char addr[ADDRESS_MAX_SIZE];
184
185 // Trim to `ADDRESS_MAX_SIZE`
>>> CID 62606: Buffer not null terminated (BUFFER_SIZE_WARNING)
>>> Calling strncpy with a maximum size argument of 256 bytes on
>>> destination array "addr" of size 256 bytes might leave the
>>> destination string unterminated.
187
188 if ((server = map_get(cstr_t)(servers, addr)) == NULL) {
189 EMSG2("Not listening on %s", addr);
190 return;
191 }
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