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feat(vim.diff): allow passing an integer for linematch

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Lewis Russell 2023-04-04 23:59:39 +01:00 committed by GitHub
parent e826d09c18
commit 9e7426718b
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 9 deletions
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7
runtime/doc/lua.txt
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@ -685,9 +685,10 @@ vim.diff({a}, {b}, {opts}) *vim.diff()*
• "unified": (default) String in unified format.
• "indices": Array of hunk locations.
Note: This option is ignored if `on_hunk` is used.
• `linematch` (boolean): Run linematch on the resulting hunks
from xdiff. Requires `result_type = indices`, ignored
otherwise.
• `linematch` (boolean|integer): Run linematch on the resulting hunks
from xdiff. When integer, only hunks upto this size in
lines are run through linematch. Requires `result_type = indices`,
ignored otherwise.
• `algorithm` (string):
Diff algorithm to use. Values:
• "myers" the default algorithm

16
src/nvim/lua/xdiff.c
View File

@ -32,7 +32,7 @@ typedef struct {
Error *err;
mmfile_t *ma;
mmfile_t *mb;
bool linematch;
int64_t linematch;
bool iwhite;
} hunkpriv_t;
@ -128,7 +128,7 @@ static int hunk_locations_cb(long start_a, long count_a, long start_b, long coun
{
hunkpriv_t *priv = (hunkpriv_t *)cb_data;
lua_State *lstate = priv->lstate;
if (priv->linematch) {
if (priv->linematch > 0 && count_a + count_b <= priv->linematch) {
get_linematch_results(lstate, priv->ma, priv->mb, start_a, count_a, start_b, count_b,
priv->iwhite);
} else {
@ -208,7 +208,7 @@ static bool check_xdiff_opt(ObjectType actType, ObjectType expType, const char *
}
static NluaXdiffMode process_xdl_diff_opts(lua_State *lstate, xdemitconf_t *cfg, xpparam_t *params,
bool *linematch, Error *err)
int64_t *linematch, Error *err)
{
const DictionaryOf(LuaRef) opts = nlua_pop_Dictionary(lstate, true, err);
@ -265,8 +265,12 @@ static NluaXdiffMode process_xdl_diff_opts(lua_State *lstate, xdemitconf_t *cfg,
}
cfg->interhunkctxlen = (long)v->data.integer;
} else if (strequal("linematch", k.data)) {
*linematch = api_object_to_bool(*v, "linematch", false, err);
if (ERROR_SET(err)) {
if (v->type == kObjectTypeBoolean) {
*linematch = v->data.boolean ? INT64_MAX : 0;
} else if (v->type == kObjectTypeInteger) {
*linematch = v->data.integer;
} else {
api_set_error(err, kErrorTypeValidation, "linematch must be a boolean or integer");
goto exit_1;
}
} else {
@ -330,7 +334,7 @@ int nlua_xdl_diff(lua_State *lstate)
xdemitconf_t cfg;
xpparam_t params;
xdemitcb_t ecb;
bool linematch = false;
int64_t linematch = 0;
CLEAR_FIELD(cfg);
CLEAR_FIELD(params);