refactor(api): use arena for nvim_parse_cmd()

This commit is contained in:
bfredl 2024-02-09 10:06:50 +01:00
parent 4cd43933d3
commit 2d8d35f838
3 changed files with 71 additions and 65 deletions

View File

@ -96,15 +96,15 @@
/// - "belowright": |:belowright|. /// - "belowright": |:belowright|.
/// - "topleft": |:topleft|. /// - "topleft": |:topleft|.
/// - "botright": |:botright|. /// - "botright": |:botright|.
Dictionary nvim_parse_cmd(String str, Dict(empty) *opts, Error *err) Dict(cmd) nvim_parse_cmd(String str, Dict(empty) *opts, Arena *arena, Error *err)
FUNC_API_SINCE(10) FUNC_API_FAST FUNC_API_SINCE(10) FUNC_API_FAST
{ {
Dictionary result = ARRAY_DICT_INIT; Dict(cmd) result = { 0 };
// Parse command line // Parse command line
exarg_T ea; exarg_T ea;
CmdParseInfo cmdinfo; CmdParseInfo cmdinfo;
char *cmdline = string_to_cstr(str); char *cmdline = arena_memdupz(arena, str.data, str.size);
const char *errormsg = NULL; const char *errormsg = NULL;
if (!parse_cmdline(cmdline, &ea, &cmdinfo, &errormsg)) { if (!parse_cmdline(cmdline, &ea, &cmdinfo, &errormsg)) {
@ -124,22 +124,23 @@ Dictionary nvim_parse_cmd(String str, Dict(empty) *opts, Error *err)
// otherwise split arguments by whitespace. // otherwise split arguments by whitespace.
if (ea.argt & EX_NOSPC) { if (ea.argt & EX_NOSPC) {
if (*ea.arg != NUL) { if (*ea.arg != NUL) {
ADD(args, STRING_OBJ(cstrn_to_string(ea.arg, length))); args = arena_array(arena, 1);
ADD_C(args, STRING_OBJ(cstrn_as_string(ea.arg, length)));
} }
} else { } else {
size_t end = 0; size_t end = 0;
size_t len = 0; size_t len = 0;
char *buf = xcalloc(length, sizeof(char)); char *buf = arena_alloc(arena, length + 1, false);
bool done = false; bool done = false;
args = arena_array(arena, uc_nargs_upper_bound(ea.arg, length));
while (!done) { while (!done) {
done = uc_split_args_iter(ea.arg, length, &end, buf, &len); done = uc_split_args_iter(ea.arg, length, &end, buf, &len);
if (len > 0) { if (len > 0) {
ADD(args, STRING_OBJ(cstrn_to_string(buf, len))); ADD_C(args, STRING_OBJ(cstrn_as_string(buf, len)));
buf += len + 1;
} }
} }
xfree(buf);
} }
ucmd_T *cmd = NULL; ucmd_T *cmd = NULL;
@ -149,40 +150,32 @@ Dictionary nvim_parse_cmd(String str, Dict(empty) *opts, Error *err)
cmd = USER_CMD_GA(&curbuf->b_ucmds, ea.useridx); cmd = USER_CMD_GA(&curbuf->b_ucmds, ea.useridx);
} }
if (cmd != NULL) { char *name = (cmd != NULL ? cmd->uc_name : get_command_name(NULL, ea.cmdidx));
PUT(result, "cmd", CSTR_TO_OBJ(cmd->uc_name)); PUT_KEY(result, cmd, cmd, cstr_as_string(name));
} else {
PUT(result, "cmd", CSTR_TO_OBJ(get_command_name(NULL, ea.cmdidx)));
}
if (ea.argt & EX_RANGE) { if (ea.argt & EX_RANGE) {
Array range = ARRAY_DICT_INIT; Array range = arena_array(arena, 2);
if (ea.addr_count > 0) { if (ea.addr_count > 0) {
if (ea.addr_count > 1) { if (ea.addr_count > 1) {
ADD(range, INTEGER_OBJ(ea.line1)); ADD_C(range, INTEGER_OBJ(ea.line1));
} }
ADD(range, INTEGER_OBJ(ea.line2)); ADD_C(range, INTEGER_OBJ(ea.line2));
} }
PUT(result, "range", ARRAY_OBJ(range)); PUT_KEY(result, cmd, range, range);
} }
if (ea.argt & EX_COUNT) { if (ea.argt & EX_COUNT) {
if (ea.addr_count > 0) { Integer count = ea.addr_count > 0 ? ea.line2 : (cmd != NULL ? cmd->uc_def : 0);
PUT(result, "count", INTEGER_OBJ(ea.line2)); PUT_KEY(result, cmd, count, count);
} else if (cmd != NULL) {
PUT(result, "count", INTEGER_OBJ(cmd->uc_def));
} else {
PUT(result, "count", INTEGER_OBJ(0));
}
} }
if (ea.argt & EX_REGSTR) { if (ea.argt & EX_REGSTR) {
char reg[2] = { (char)ea.regname, NUL }; char reg[2] = { (char)ea.regname, NUL };
PUT(result, "reg", CSTR_TO_OBJ(reg)); PUT_KEY(result, cmd, reg, CSTR_TO_ARENA_STR(arena, reg));
} }
PUT(result, "bang", BOOLEAN_OBJ(ea.forceit)); PUT_KEY(result, cmd, bang, ea.forceit);
PUT(result, "args", ARRAY_OBJ(args)); PUT_KEY(result, cmd, args, args);
char nargs[2]; char nargs[2];
if (ea.argt & EX_EXTRA) { if (ea.argt & EX_EXTRA) {
@ -201,9 +194,9 @@ Dictionary nvim_parse_cmd(String str, Dict(empty) *opts, Error *err)
nargs[0] = '0'; nargs[0] = '0';
} }
nargs[1] = '\0'; nargs[1] = '\0';
PUT(result, "nargs", CSTR_TO_OBJ(nargs)); PUT_KEY(result, cmd, nargs, CSTR_TO_ARENA_OBJ(arena, nargs));
const char *addr; char *addr;
switch (ea.addr_type) { switch (ea.addr_type) {
case ADDR_LINES: case ADDR_LINES:
addr = "line"; addr = "line";
@ -233,38 +226,37 @@ Dictionary nvim_parse_cmd(String str, Dict(empty) *opts, Error *err)
addr = "?"; addr = "?";
break; break;
} }
PUT(result, "addr", CSTR_TO_OBJ(addr)); PUT_KEY(result, cmd, addr, CSTR_AS_OBJ(addr));
PUT(result, "nextcmd", CSTR_TO_OBJ(ea.nextcmd)); PUT_KEY(result, cmd, nextcmd, CSTR_AS_OBJ(ea.nextcmd));
Dictionary mods = ARRAY_DICT_INIT; // TODO(bfredl): nested keydict would be nice..
Dictionary mods = arena_dict(arena, 20);
Dictionary filter = ARRAY_DICT_INIT; Dictionary filter = arena_dict(arena, 2);
PUT(filter, "pattern", cmdinfo.cmdmod.cmod_filter_pat PUT_C(filter, "pattern", CSTR_TO_ARENA_OBJ(arena, cmdinfo.cmdmod.cmod_filter_pat));
? CSTR_TO_OBJ(cmdinfo.cmdmod.cmod_filter_pat) PUT_C(filter, "force", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_filter_force));
: STATIC_CSTR_TO_OBJ("")); PUT_C(mods, "filter", DICTIONARY_OBJ(filter));
PUT(filter, "force", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_filter_force));
PUT(mods, "filter", DICTIONARY_OBJ(filter));
PUT(mods, "silent", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_SILENT)); PUT_C(mods, "silent", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_SILENT));
PUT(mods, "emsg_silent", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_ERRSILENT)); PUT_C(mods, "emsg_silent", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_ERRSILENT));
PUT(mods, "unsilent", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_UNSILENT)); PUT_C(mods, "unsilent", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_UNSILENT));
PUT(mods, "sandbox", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_SANDBOX)); PUT_C(mods, "sandbox", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_SANDBOX));
PUT(mods, "noautocmd", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_NOAUTOCMD)); PUT_C(mods, "noautocmd", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_NOAUTOCMD));
PUT(mods, "tab", INTEGER_OBJ(cmdinfo.cmdmod.cmod_tab - 1)); PUT_C(mods, "tab", INTEGER_OBJ(cmdinfo.cmdmod.cmod_tab - 1));
PUT(mods, "verbose", INTEGER_OBJ(cmdinfo.cmdmod.cmod_verbose - 1)); PUT_C(mods, "verbose", INTEGER_OBJ(cmdinfo.cmdmod.cmod_verbose - 1));
PUT(mods, "browse", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_BROWSE)); PUT_C(mods, "browse", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_BROWSE));
PUT(mods, "confirm", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_CONFIRM)); PUT_C(mods, "confirm", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_CONFIRM));
PUT(mods, "hide", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_HIDE)); PUT_C(mods, "hide", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_HIDE));
PUT(mods, "keepalt", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_KEEPALT)); PUT_C(mods, "keepalt", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_KEEPALT));
PUT(mods, "keepjumps", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_KEEPJUMPS)); PUT_C(mods, "keepjumps", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_KEEPJUMPS));
PUT(mods, "keepmarks", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_KEEPMARKS)); PUT_C(mods, "keepmarks", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_KEEPMARKS));
PUT(mods, "keeppatterns", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_KEEPPATTERNS)); PUT_C(mods, "keeppatterns", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_KEEPPATTERNS));
PUT(mods, "lockmarks", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_LOCKMARKS)); PUT_C(mods, "lockmarks", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_LOCKMARKS));
PUT(mods, "noswapfile", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_NOSWAPFILE)); PUT_C(mods, "noswapfile", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_flags & CMOD_NOSWAPFILE));
PUT(mods, "vertical", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_split & WSP_VERT)); PUT_C(mods, "vertical", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_split & WSP_VERT));
PUT(mods, "horizontal", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_split & WSP_HOR)); PUT_C(mods, "horizontal", BOOLEAN_OBJ(cmdinfo.cmdmod.cmod_split & WSP_HOR));
const char *split; char *split;
if (cmdinfo.cmdmod.cmod_split & WSP_BOT) { if (cmdinfo.cmdmod.cmod_split & WSP_BOT) {
split = "botright"; split = "botright";
} else if (cmdinfo.cmdmod.cmod_split & WSP_TOP) { } else if (cmdinfo.cmdmod.cmod_split & WSP_TOP) {
@ -276,18 +268,17 @@ Dictionary nvim_parse_cmd(String str, Dict(empty) *opts, Error *err)
} else { } else {
split = ""; split = "";
} }
PUT(mods, "split", CSTR_TO_OBJ(split)); PUT_C(mods, "split", CSTR_AS_OBJ(split));
PUT(result, "mods", DICTIONARY_OBJ(mods)); PUT_KEY(result, cmd, mods, mods);
Dictionary magic = ARRAY_DICT_INIT; Dictionary magic = arena_dict(arena, 2);
PUT(magic, "file", BOOLEAN_OBJ(cmdinfo.magic.file)); PUT_C(magic, "file", BOOLEAN_OBJ(cmdinfo.magic.file));
PUT(magic, "bar", BOOLEAN_OBJ(cmdinfo.magic.bar)); PUT_C(magic, "bar", BOOLEAN_OBJ(cmdinfo.magic.bar));
PUT(result, "magic", DICTIONARY_OBJ(magic)); PUT_KEY(result, cmd, magic, magic);
undo_cmdmod(&cmdinfo.cmdmod); undo_cmdmod(&cmdinfo.cmdmod);
end: end:
xfree(cmdline);
return result; return result;
} }

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@ -32,7 +32,8 @@
#define CSTR_AS_OBJ(s) STRING_OBJ(cstr_as_string(s)) #define CSTR_AS_OBJ(s) STRING_OBJ(cstr_as_string(s))
#define CSTR_TO_OBJ(s) STRING_OBJ(cstr_to_string(s)) #define CSTR_TO_OBJ(s) STRING_OBJ(cstr_to_string(s))
#define CSTR_TO_ARENA_OBJ(arena, s) STRING_OBJ(arena_string(arena, cstr_as_string(s))) #define CSTR_TO_ARENA_STR(arena, s) arena_string(arena, cstr_as_string(s))
#define CSTR_TO_ARENA_OBJ(arena, s) STRING_OBJ(CSTR_TO_ARENA_STR(arena, s))
#define BUFFER_OBJ(s) ((Object) { \ #define BUFFER_OBJ(s) ((Object) { \
.type = kObjectTypeBuffer, \ .type = kObjectTypeBuffer, \

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@ -1136,6 +1136,20 @@ bool uc_split_args_iter(const char *arg, size_t arglen, size_t *end, char *buf,
return true; return true;
} }
size_t uc_nargs_upper_bound(const char *arg, size_t arglen)
{
bool was_white = true; // space before first arg
size_t nargs = 0;
for (size_t i = 0; i < arglen; i++) {
bool is_white = ascii_iswhite(arg[i]);
if (was_white && !is_white) {
nargs++;
}
was_white = is_white;
}
return nargs;
}
/// split and quote args for <f-args> /// split and quote args for <f-args>
static char *uc_split_args(const char *arg, char **args, const size_t *arglens, size_t argc, static char *uc_split_args(const char *arg, char **args, const size_t *arglens, size_t argc,
size_t *lenp) size_t *lenp)