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296da85198
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
98 lines
4.2 KiB
C
98 lines
4.2 KiB
C
#ifndef NVIM_API_PRIVATE_HELPERS_H
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#define NVIM_API_PRIVATE_HELPERS_H
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#include <stdbool.h>
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#include "nvim/api/private/defs.h"
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#include "nvim/vim.h"
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#include "nvim/memory.h"
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#include "nvim/lib/kvec.h"
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#define set_api_error(message, err) \
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do { \
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xstrlcpy(err->msg, message, sizeof(err->msg)); \
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err->set = true; \
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} while (0)
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#define OBJECT_OBJ(o) o
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#define BOOLEAN_OBJ(b) ((Object) { \
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.type = kObjectTypeBoolean, \
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.data.boolean = b \
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})
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#define INTEGER_OBJ(i) ((Object) { \
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.type = kObjectTypeInteger, \
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.data.integer = i \
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})
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#define STRING_OBJ(s) ((Object) { \
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.type = kObjectTypeString, \
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.data.string = s \
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})
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#define BUFFER_OBJ(s) ((Object) { \
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.type = kObjectTypeBuffer, \
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.data.buffer = s \
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})
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#define WINDOW_OBJ(s) ((Object) { \
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.type = kObjectTypeWindow, \
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.data.window = s \
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})
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#define TABPAGE_OBJ(s) ((Object) { \
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.type = kObjectTypeTabpage, \
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.data.tabpage = s \
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})
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#define ARRAY_OBJ(a) ((Object) { \
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.type = kObjectTypeArray, \
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.data.array = a \
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})
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#define STRINGARRAY_OBJ(a) ((Object) { \
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.type = kObjectTypeStringArray, \
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.data.stringarray = a \
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})
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#define BUFFERARRAY_OBJ(a) ((Object) { \
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.type = kObjectTypeBufferArray, \
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.data.bufferarray = a \
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})
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#define WINDOWARRAY_OBJ(a) ((Object) { \
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.type = kObjectTypeWindowArray, \
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.data.windowarray = a \
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})
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#define TABPAGEARRAY_OBJ(a) ((Object) { \
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.type = kObjectTypeTabpageArray, \
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.data.tabpagearray = a \
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})
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#define DICTIONARY_OBJ(d) ((Object) { \
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.type = kObjectTypeDictionary, \
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.data.dictionary = d \
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})
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#define POSITION_OBJ(p) ((Object) { \
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.type = kObjectTypePosition, \
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.data.position = p \
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})
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#define NIL ((Object) {.type = kObjectTypeNil})
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#define PUT(dict, k, v) \
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kv_push(KeyValuePair, \
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dict, \
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((KeyValuePair) {.key = cstr_to_string(k), .value = v}))
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#define ADD(array, item) \
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kv_push(Object, array, item)
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#ifdef INCLUDE_GENERATED_DECLARATIONS
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# include "api/private/helpers.h.generated.h"
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#endif
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#endif // NVIM_API_PRIVATE_HELPERS_H
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