mirror of
https://github.com/neovim/neovim.git
synced 2024-12-23 20:55:18 -07:00
refactor(api): break out Vim script functions to its own file
This commit is contained in:
parent
c3a3e65428
commit
a60beeb34f
@ -89,7 +89,9 @@ CONFIG = {
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# Section ordering.
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'section_order': [
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'vim.c',
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'vimscript.c',
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'buffer.c',
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'extmark.c',
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'window.c',
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'win_config.c',
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'tabpage.c',
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@ -12,6 +12,7 @@
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#include "nvim/api/private/defs.h"
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#include "nvim/api/private/helpers.h"
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#include "nvim/api/vim.h"
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#include "nvim/api/vimscript.h"
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#include "nvim/extmark.h"
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#include "nvim/lua/executor.h"
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@ -15,6 +15,7 @@
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#include "nvim/api/tabpage.h"
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#include "nvim/api/ui.h"
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#include "nvim/api/vim.h"
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#include "nvim/api/vimscript.h"
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#include "nvim/api/win_config.h"
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#include "nvim/api/window.h"
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#include "nvim/log.h"
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@ -60,84 +60,6 @@
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# include "api/vim.c.generated.h"
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#endif
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/// Executes Vimscript (multiline block of Ex-commands), like anonymous
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/// |:source|.
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///
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/// Unlike |nvim_command()| this function supports heredocs, script-scope (s:),
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/// etc.
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///
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/// On execution error: fails with VimL error, does not update v:errmsg.
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///
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/// @see |execute()|
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/// @see |nvim_command()|
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///
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/// @param src Vimscript code
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/// @param output Capture and return all (non-error, non-shell |:!|) output
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/// @param[out] err Error details (Vim error), if any
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/// @return Output (non-error, non-shell |:!|) if `output` is true,
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/// else empty string.
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String nvim_exec(String src, Boolean output, Error *err)
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FUNC_API_SINCE(7)
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{
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const int save_msg_silent = msg_silent;
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garray_T *const save_capture_ga = capture_ga;
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garray_T capture_local;
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if (output) {
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ga_init(&capture_local, 1, 80);
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capture_ga = &capture_local;
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}
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try_start();
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if (output) {
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msg_silent++;
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}
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do_source_str(src.data, "nvim_exec()");
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if (output) {
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capture_ga = save_capture_ga;
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msg_silent = save_msg_silent;
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}
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try_end(err);
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if (ERROR_SET(err)) {
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goto theend;
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}
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if (output && capture_local.ga_len > 1) {
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String s = (String){
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.data = capture_local.ga_data,
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.size = (size_t)capture_local.ga_len,
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};
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// redir usually (except :echon) prepends a newline.
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if (s.data[0] == '\n') {
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memmove(s.data, s.data + 1, s.size - 1);
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s.data[s.size - 1] = '\0';
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s.size = s.size - 1;
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}
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return s; // Caller will free the memory.
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}
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theend:
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if (output) {
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ga_clear(&capture_local);
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}
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return (String)STRING_INIT;
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}
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/// Executes an ex-command.
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///
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/// On execution error: fails with VimL error, does not update v:errmsg.
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///
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/// @see |nvim_exec()|
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///
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/// @param command Ex-command string
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/// @param[out] err Error details (Vim error), if any
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void nvim_command(String command, Error *err)
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FUNC_API_SINCE(1)
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{
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try_start();
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do_cmdline_cmd(command.data);
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try_end(err);
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}
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/// Gets a highlight definition by name.
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///
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/// @param name Highlight group name
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@ -478,51 +400,6 @@ String nvim_replace_termcodes(String str, Boolean from_part, Boolean do_lt, Bool
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return cstr_as_string(ptr);
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}
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/// Evaluates a VimL |expression|.
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/// Dictionaries and Lists are recursively expanded.
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///
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/// On execution error: fails with VimL error, does not update v:errmsg.
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///
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/// @param expr VimL expression string
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/// @param[out] err Error details, if any
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/// @return Evaluation result or expanded object
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Object nvim_eval(String expr, Error *err)
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FUNC_API_SINCE(1)
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{
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static int recursive = 0; // recursion depth
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Object rv = OBJECT_INIT;
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TRY_WRAP({
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// Initialize `force_abort` and `suppress_errthrow` at the top level.
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if (!recursive) {
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force_abort = false;
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suppress_errthrow = false;
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current_exception = NULL;
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// `did_emsg` is set by emsg(), which cancels execution.
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did_emsg = false;
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}
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recursive++;
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try_start();
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typval_T rettv;
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int ok = eval0((char_u *)expr.data, &rettv, NULL, true);
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if (!try_end(err)) {
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if (ok == FAIL) {
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// Should never happen, try_end() should get the error. #8371
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api_set_error(err, kErrorTypeException,
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"Failed to evaluate expression: '%.*s'", 256, expr.data);
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} else {
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rv = vim_to_object(&rettv);
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}
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}
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tv_clear(&rettv);
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recursive--;
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});
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return rv;
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}
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/// Execute Lua code. Parameters (if any) are available as `...` inside the
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/// chunk. The chunk can return a value.
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@ -563,164 +440,6 @@ Object nvim_notify(String msg, Integer log_level, Dictionary opts, Error *err)
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return nlua_exec(STATIC_CSTR_AS_STRING("return vim.notify(...)"), args, err);
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}
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/// Calls a VimL function.
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///
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/// @param fn Function name
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/// @param args Function arguments
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/// @param self `self` dict, or NULL for non-dict functions
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/// @param[out] err Error details, if any
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/// @return Result of the function call
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static Object _call_function(String fn, Array args, dict_T *self, Error *err)
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{
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static int recursive = 0; // recursion depth
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Object rv = OBJECT_INIT;
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if (args.size > MAX_FUNC_ARGS) {
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api_set_error(err, kErrorTypeValidation,
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"Function called with too many arguments");
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return rv;
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}
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// Convert the arguments in args from Object to typval_T values
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typval_T vim_args[MAX_FUNC_ARGS + 1];
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size_t i = 0; // also used for freeing the variables
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for (; i < args.size; i++) {
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if (!object_to_vim(args.items[i], &vim_args[i], err)) {
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goto free_vim_args;
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}
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}
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TRY_WRAP({
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// Initialize `force_abort` and `suppress_errthrow` at the top level.
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if (!recursive) {
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force_abort = false;
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suppress_errthrow = false;
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current_exception = NULL;
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// `did_emsg` is set by emsg(), which cancels execution.
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did_emsg = false;
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}
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recursive++;
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try_start();
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typval_T rettv;
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funcexe_T funcexe = FUNCEXE_INIT;
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funcexe.firstline = curwin->w_cursor.lnum;
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funcexe.lastline = curwin->w_cursor.lnum;
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funcexe.evaluate = true;
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funcexe.selfdict = self;
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// call_func() retval is deceptive, ignore it. Instead we set `msg_list`
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// (see above) to capture abort-causing non-exception errors.
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(void)call_func((char_u *)fn.data, (int)fn.size, &rettv, (int)args.size,
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vim_args, &funcexe);
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if (!try_end(err)) {
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rv = vim_to_object(&rettv);
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}
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tv_clear(&rettv);
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recursive--;
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});
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free_vim_args:
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while (i > 0) {
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tv_clear(&vim_args[--i]);
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}
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return rv;
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}
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/// Calls a VimL function with the given arguments.
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///
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/// On execution error: fails with VimL error, does not update v:errmsg.
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///
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/// @param fn Function to call
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/// @param args Function arguments packed in an Array
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/// @param[out] err Error details, if any
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/// @return Result of the function call
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Object nvim_call_function(String fn, Array args, Error *err)
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FUNC_API_SINCE(1)
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{
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return _call_function(fn, args, NULL, err);
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}
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/// Calls a VimL |Dictionary-function| with the given arguments.
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///
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/// On execution error: fails with VimL error, does not update v:errmsg.
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///
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/// @param dict Dictionary, or String evaluating to a VimL |self| dict
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/// @param fn Name of the function defined on the VimL dict
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/// @param args Function arguments packed in an Array
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/// @param[out] err Error details, if any
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/// @return Result of the function call
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Object nvim_call_dict_function(Object dict, String fn, Array args, Error *err)
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FUNC_API_SINCE(4)
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{
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Object rv = OBJECT_INIT;
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typval_T rettv;
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bool mustfree = false;
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switch (dict.type) {
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case kObjectTypeString:
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try_start();
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if (eval0((char_u *)dict.data.string.data, &rettv, NULL, true) == FAIL) {
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api_set_error(err, kErrorTypeException,
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"Failed to evaluate dict expression");
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}
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if (try_end(err)) {
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return rv;
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}
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// Evaluation of the string arg created a new dict or increased the
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// refcount of a dict. Not necessary for a RPC dict.
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mustfree = true;
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break;
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case kObjectTypeDictionary:
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if (!object_to_vim(dict, &rettv, err)) {
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goto end;
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}
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break;
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default:
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api_set_error(err, kErrorTypeValidation,
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"dict argument type must be String or Dictionary");
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return rv;
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}
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dict_T *self_dict = rettv.vval.v_dict;
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if (rettv.v_type != VAR_DICT || !self_dict) {
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api_set_error(err, kErrorTypeValidation, "dict not found");
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goto end;
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}
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if (fn.data && fn.size > 0 && dict.type != kObjectTypeDictionary) {
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dictitem_T *const di = tv_dict_find(self_dict, fn.data, (ptrdiff_t)fn.size);
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if (di == NULL) {
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api_set_error(err, kErrorTypeValidation, "Not found: %s", fn.data);
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goto end;
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}
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if (di->di_tv.v_type == VAR_PARTIAL) {
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api_set_error(err, kErrorTypeValidation,
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"partial function not supported");
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goto end;
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}
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if (di->di_tv.v_type != VAR_FUNC) {
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api_set_error(err, kErrorTypeValidation, "Not a function: %s", fn.data);
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goto end;
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}
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fn = (String) {
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.data = (char *)di->di_tv.vval.v_string,
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.size = STRLEN(di->di_tv.vval.v_string),
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};
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}
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if (!fn.data || fn.size < 1) {
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api_set_error(err, kErrorTypeValidation, "Invalid (empty) function name");
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goto end;
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}
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rv = _call_function(fn, args, self_dict, err);
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end:
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if (mustfree) {
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tv_clear(&rettv);
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}
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return rv;
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}
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/// Calculates the number of display cells occupied by `text`.
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/// <Tab> counts as one cell.
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///
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@ -1991,439 +1710,6 @@ theend:
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return rv;
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}
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typedef struct {
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ExprASTNode **node_p;
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Object *ret_node_p;
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} ExprASTConvStackItem;
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/// @cond DOXYGEN_NOT_A_FUNCTION
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typedef kvec_withinit_t(ExprASTConvStackItem, 16) ExprASTConvStack;
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/// @endcond
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/// Parse a VimL expression.
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///
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/// @param[in] expr Expression to parse. Always treated as a single line.
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/// @param[in] flags Flags:
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/// - "m" if multiple expressions in a row are allowed (only
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/// the first one will be parsed),
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/// - "E" if EOC tokens are not allowed (determines whether
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/// they will stop parsing process or be recognized as an
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/// operator/space, though also yielding an error).
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/// - "l" when needing to start parsing with lvalues for
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/// ":let" or ":for".
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/// Common flag sets:
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/// - "m" to parse like for ":echo".
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/// - "E" to parse like for "<C-r>=".
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/// - empty string for ":call".
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/// - "lm" to parse for ":let".
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/// @param[in] highlight If true, return value will also include "highlight"
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/// key containing array of 4-tuples (arrays) (Integer,
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/// Integer, Integer, String), where first three numbers
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/// define the highlighted region and represent line,
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/// starting column and ending column (latter exclusive:
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/// one should highlight region [start_col, end_col)).
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///
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/// @return
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/// - AST: top-level dictionary with these keys:
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/// - "error": Dictionary with error, present only if parser saw some
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/// error. Contains the following keys:
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/// - "message": String, error message in printf format, translated.
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/// Must contain exactly one "%.*s".
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/// - "arg": String, error message argument.
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/// - "len": Amount of bytes successfully parsed. With flags equal to ""
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/// that should be equal to the length of expr string.
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/// (“Successfully parsed” here means “participated in AST
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/// creation”, not “till the first error”.)
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/// - "ast": AST, either nil or a dictionary with these keys:
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/// - "type": node type, one of the value names from ExprASTNodeType
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/// stringified without "kExprNode" prefix.
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/// - "start": a pair [line, column] describing where node is "started"
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/// where "line" is always 0 (will not be 0 if you will be
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/// using nvim_parse_viml() on e.g. ":let", but that is not
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/// present yet). Both elements are Integers.
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/// - "len": “length” of the node. This and "start" are there for
|
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/// debugging purposes primary (debugging parser and providing
|
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/// debug information).
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/// - "children": a list of nodes described in top/"ast". There always
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/// is zero, one or two children, key will not be present
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/// if node has no children. Maximum number of children
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/// may be found in node_maxchildren array.
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/// - Local values (present only for certain nodes):
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/// - "scope": a single Integer, specifies scope for "Option" and
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||||
/// "PlainIdentifier" nodes. For "Option" it is one of
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||||
/// ExprOptScope values, for "PlainIdentifier" it is one of
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||||
/// ExprVarScope values.
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/// - "ident": identifier (without scope, if any), present for "Option",
|
||||
/// "PlainIdentifier", "PlainKey" and "Environment" nodes.
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||||
/// - "name": Integer, register name (one character) or -1. Only present
|
||||
/// for "Register" nodes.
|
||||
/// - "cmp_type": String, comparison type, one of the value names from
|
||||
/// ExprComparisonType, stringified without "kExprCmp"
|
||||
/// prefix. Only present for "Comparison" nodes.
|
||||
/// - "ccs_strategy": String, case comparison strategy, one of the
|
||||
/// value names from ExprCaseCompareStrategy,
|
||||
/// stringified without "kCCStrategy" prefix. Only
|
||||
/// present for "Comparison" nodes.
|
||||
/// - "augmentation": String, augmentation type for "Assignment" nodes.
|
||||
/// Is either an empty string, "Add", "Subtract" or
|
||||
/// "Concat" for "=", "+=", "-=" or ".=" respectively.
|
||||
/// - "invert": Boolean, true if result of comparison needs to be
|
||||
/// inverted. Only present for "Comparison" nodes.
|
||||
/// - "ivalue": Integer, integer value for "Integer" nodes.
|
||||
/// - "fvalue": Float, floating-point value for "Float" nodes.
|
||||
/// - "svalue": String, value for "SingleQuotedString" and
|
||||
/// "DoubleQuotedString" nodes.
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||||
/// @param[out] err Error details, if any
|
||||
Dictionary nvim_parse_expression(String expr, String flags, Boolean highlight, Error *err)
|
||||
FUNC_API_SINCE(4) FUNC_API_FAST
|
||||
{
|
||||
int pflags = 0;
|
||||
for (size_t i = 0 ; i < flags.size ; i++) {
|
||||
switch (flags.data[i]) {
|
||||
case 'm':
|
||||
pflags |= kExprFlagsMulti; break;
|
||||
case 'E':
|
||||
pflags |= kExprFlagsDisallowEOC; break;
|
||||
case 'l':
|
||||
pflags |= kExprFlagsParseLet; break;
|
||||
case NUL:
|
||||
api_set_error(err, kErrorTypeValidation, "Invalid flag: '\\0' (%u)",
|
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(unsigned)flags.data[i]);
|
||||
return (Dictionary)ARRAY_DICT_INIT;
|
||||
default:
|
||||
api_set_error(err, kErrorTypeValidation, "Invalid flag: '%c' (%u)",
|
||||
flags.data[i], (unsigned)flags.data[i]);
|
||||
return (Dictionary)ARRAY_DICT_INIT;
|
||||
}
|
||||
}
|
||||
ParserLine parser_lines[] = {
|
||||
{
|
||||
.data = expr.data,
|
||||
.size = expr.size,
|
||||
.allocated = false,
|
||||
},
|
||||
{ NULL, 0, false },
|
||||
};
|
||||
ParserLine *plines_p = parser_lines;
|
||||
ParserHighlight colors;
|
||||
kvi_init(colors);
|
||||
ParserHighlight *const colors_p = (highlight ? &colors : NULL);
|
||||
ParserState pstate;
|
||||
viml_parser_init(&pstate, parser_simple_get_line, &plines_p, colors_p);
|
||||
ExprAST east = viml_pexpr_parse(&pstate, pflags);
|
||||
|
||||
const size_t ret_size = (
|
||||
2 // "ast", "len"
|
||||
+ (size_t)(east.err.msg != NULL) // "error"
|
||||
+ (size_t)highlight // "highlight"
|
||||
+ 0);
|
||||
Dictionary ret = {
|
||||
.items = xmalloc(ret_size * sizeof(ret.items[0])),
|
||||
.size = 0,
|
||||
.capacity = ret_size,
|
||||
};
|
||||
ret.items[ret.size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ast"),
|
||||
.value = NIL,
|
||||
};
|
||||
ret.items[ret.size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("len"),
|
||||
.value = INTEGER_OBJ((Integer)(pstate.pos.line == 1
|
||||
? parser_lines[0].size
|
||||
: pstate.pos.col)),
|
||||
};
|
||||
if (east.err.msg != NULL) {
|
||||
Dictionary err_dict = {
|
||||
.items = xmalloc(2 * sizeof(err_dict.items[0])),
|
||||
.size = 2,
|
||||
.capacity = 2,
|
||||
};
|
||||
err_dict.items[0] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("message"),
|
||||
.value = STRING_OBJ(cstr_to_string(east.err.msg)),
|
||||
};
|
||||
if (east.err.arg == NULL) {
|
||||
err_dict.items[1] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("arg"),
|
||||
.value = STRING_OBJ(STRING_INIT),
|
||||
};
|
||||
} else {
|
||||
err_dict.items[1] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("arg"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(east.err.arg, (size_t)east.err.arg_len),
|
||||
.size = (size_t)east.err.arg_len,
|
||||
})),
|
||||
};
|
||||
}
|
||||
ret.items[ret.size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("error"),
|
||||
.value = DICTIONARY_OBJ(err_dict),
|
||||
};
|
||||
}
|
||||
if (highlight) {
|
||||
Array hl = (Array) {
|
||||
.items = xmalloc(kv_size(colors) * sizeof(hl.items[0])),
|
||||
.capacity = kv_size(colors),
|
||||
.size = kv_size(colors),
|
||||
};
|
||||
for (size_t i = 0 ; i < kv_size(colors) ; i++) {
|
||||
const ParserHighlightChunk chunk = kv_A(colors, i);
|
||||
Array chunk_arr = (Array) {
|
||||
.items = xmalloc(4 * sizeof(chunk_arr.items[0])),
|
||||
.capacity = 4,
|
||||
.size = 4,
|
||||
};
|
||||
chunk_arr.items[0] = INTEGER_OBJ((Integer)chunk.start.line);
|
||||
chunk_arr.items[1] = INTEGER_OBJ((Integer)chunk.start.col);
|
||||
chunk_arr.items[2] = INTEGER_OBJ((Integer)chunk.end_col);
|
||||
chunk_arr.items[3] = STRING_OBJ(cstr_to_string(chunk.group));
|
||||
hl.items[i] = ARRAY_OBJ(chunk_arr);
|
||||
}
|
||||
ret.items[ret.size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("highlight"),
|
||||
.value = ARRAY_OBJ(hl),
|
||||
};
|
||||
}
|
||||
kvi_destroy(colors);
|
||||
|
||||
// Walk over the AST, freeing nodes in process.
|
||||
ExprASTConvStack ast_conv_stack;
|
||||
kvi_init(ast_conv_stack);
|
||||
kvi_push(ast_conv_stack, ((ExprASTConvStackItem) {
|
||||
.node_p = &east.root,
|
||||
.ret_node_p = &ret.items[0].value,
|
||||
}));
|
||||
while (kv_size(ast_conv_stack)) {
|
||||
ExprASTConvStackItem cur_item = kv_last(ast_conv_stack);
|
||||
ExprASTNode *const node = *cur_item.node_p;
|
||||
if (node == NULL) {
|
||||
assert(kv_size(ast_conv_stack) == 1);
|
||||
kv_drop(ast_conv_stack, 1);
|
||||
} else {
|
||||
if (cur_item.ret_node_p->type == kObjectTypeNil) {
|
||||
const size_t ret_node_items_size = (size_t)(
|
||||
3 // "type", "start" and "len"
|
||||
+ (node->children != NULL) // "children"
|
||||
+ (node->type == kExprNodeOption
|
||||
|| node->type == kExprNodePlainIdentifier) // "scope"
|
||||
+ (node->type == kExprNodeOption
|
||||
|| node->type == kExprNodePlainIdentifier
|
||||
|| node->type == kExprNodePlainKey
|
||||
|| node->type == kExprNodeEnvironment) // "ident"
|
||||
+ (node->type == kExprNodeRegister) // "name"
|
||||
+ (3 // "cmp_type", "ccs_strategy", "invert"
|
||||
* (node->type == kExprNodeComparison))
|
||||
+ (node->type == kExprNodeInteger) // "ivalue"
|
||||
+ (node->type == kExprNodeFloat) // "fvalue"
|
||||
+ (node->type == kExprNodeDoubleQuotedString
|
||||
|| node->type == kExprNodeSingleQuotedString) // "svalue"
|
||||
+ (node->type == kExprNodeAssignment) // "augmentation"
|
||||
+ 0);
|
||||
Dictionary ret_node = {
|
||||
.items = xmalloc(ret_node_items_size * sizeof(ret_node.items[0])),
|
||||
.capacity = ret_node_items_size,
|
||||
.size = 0,
|
||||
};
|
||||
*cur_item.ret_node_p = DICTIONARY_OBJ(ret_node);
|
||||
}
|
||||
Dictionary *ret_node = &cur_item.ret_node_p->data.dictionary;
|
||||
if (node->children != NULL) {
|
||||
const size_t num_children = 1 + (node->children->next != NULL);
|
||||
Array children_array = {
|
||||
.items = xmalloc(num_children * sizeof(children_array.items[0])),
|
||||
.capacity = num_children,
|
||||
.size = num_children,
|
||||
};
|
||||
for (size_t i = 0; i < num_children; i++) {
|
||||
children_array.items[i] = NIL;
|
||||
}
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("children"),
|
||||
.value = ARRAY_OBJ(children_array),
|
||||
};
|
||||
kvi_push(ast_conv_stack, ((ExprASTConvStackItem) {
|
||||
.node_p = &node->children,
|
||||
.ret_node_p = &children_array.items[0],
|
||||
}));
|
||||
} else if (node->next != NULL) {
|
||||
kvi_push(ast_conv_stack, ((ExprASTConvStackItem) {
|
||||
.node_p = &node->next,
|
||||
.ret_node_p = cur_item.ret_node_p + 1,
|
||||
}));
|
||||
} else {
|
||||
kv_drop(ast_conv_stack, 1);
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("type"),
|
||||
.value = STRING_OBJ(cstr_to_string(east_node_type_tab[node->type])),
|
||||
};
|
||||
Array start_array = {
|
||||
.items = xmalloc(2 * sizeof(start_array.items[0])),
|
||||
.capacity = 2,
|
||||
.size = 2,
|
||||
};
|
||||
start_array.items[0] = INTEGER_OBJ((Integer)node->start.line);
|
||||
start_array.items[1] = INTEGER_OBJ((Integer)node->start.col);
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("start"),
|
||||
.value = ARRAY_OBJ(start_array),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("len"),
|
||||
.value = INTEGER_OBJ((Integer)node->len),
|
||||
};
|
||||
switch (node->type) {
|
||||
case kExprNodeDoubleQuotedString:
|
||||
case kExprNodeSingleQuotedString:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("svalue"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = node->data.str.value,
|
||||
.size = node->data.str.size,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodeOption:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("scope"),
|
||||
.value = INTEGER_OBJ(node->data.opt.scope),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ident"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(node->data.opt.ident,
|
||||
node->data.opt.ident_len),
|
||||
.size = node->data.opt.ident_len,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodePlainIdentifier:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("scope"),
|
||||
.value = INTEGER_OBJ(node->data.var.scope),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ident"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(node->data.var.ident,
|
||||
node->data.var.ident_len),
|
||||
.size = node->data.var.ident_len,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodePlainKey:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ident"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(node->data.var.ident,
|
||||
node->data.var.ident_len),
|
||||
.size = node->data.var.ident_len,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodeEnvironment:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ident"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(node->data.env.ident,
|
||||
node->data.env.ident_len),
|
||||
.size = node->data.env.ident_len,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodeRegister:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("name"),
|
||||
.value = INTEGER_OBJ(node->data.reg.name),
|
||||
};
|
||||
break;
|
||||
case kExprNodeComparison:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("cmp_type"),
|
||||
.value = STRING_OBJ(cstr_to_string(eltkn_cmp_type_tab[node->data.cmp.type])),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ccs_strategy"),
|
||||
.value = STRING_OBJ(cstr_to_string(ccs_tab[node->data.cmp.ccs])),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("invert"),
|
||||
.value = BOOLEAN_OBJ(node->data.cmp.inv),
|
||||
};
|
||||
break;
|
||||
case kExprNodeFloat:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("fvalue"),
|
||||
.value = FLOAT_OBJ(node->data.flt.value),
|
||||
};
|
||||
break;
|
||||
case kExprNodeInteger:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ivalue"),
|
||||
.value = INTEGER_OBJ((Integer)(
|
||||
node->data.num.value > API_INTEGER_MAX
|
||||
? API_INTEGER_MAX
|
||||
: (Integer)node->data.num.value)),
|
||||
};
|
||||
break;
|
||||
case kExprNodeAssignment: {
|
||||
const ExprAssignmentType asgn_type = node->data.ass.type;
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("augmentation"),
|
||||
.value = STRING_OBJ(asgn_type == kExprAsgnPlain
|
||||
? (String)STRING_INIT
|
||||
: cstr_to_string(expr_asgn_type_tab[asgn_type])),
|
||||
};
|
||||
break;
|
||||
}
|
||||
case kExprNodeMissing:
|
||||
case kExprNodeOpMissing:
|
||||
case kExprNodeTernary:
|
||||
case kExprNodeTernaryValue:
|
||||
case kExprNodeSubscript:
|
||||
case kExprNodeListLiteral:
|
||||
case kExprNodeUnaryPlus:
|
||||
case kExprNodeBinaryPlus:
|
||||
case kExprNodeNested:
|
||||
case kExprNodeCall:
|
||||
case kExprNodeComplexIdentifier:
|
||||
case kExprNodeUnknownFigure:
|
||||
case kExprNodeLambda:
|
||||
case kExprNodeDictLiteral:
|
||||
case kExprNodeCurlyBracesIdentifier:
|
||||
case kExprNodeComma:
|
||||
case kExprNodeColon:
|
||||
case kExprNodeArrow:
|
||||
case kExprNodeConcat:
|
||||
case kExprNodeConcatOrSubscript:
|
||||
case kExprNodeOr:
|
||||
case kExprNodeAnd:
|
||||
case kExprNodeUnaryMinus:
|
||||
case kExprNodeBinaryMinus:
|
||||
case kExprNodeNot:
|
||||
case kExprNodeMultiplication:
|
||||
case kExprNodeDivision:
|
||||
case kExprNodeMod:
|
||||
break;
|
||||
}
|
||||
assert(cur_item.ret_node_p->data.dictionary.size
|
||||
== cur_item.ret_node_p->data.dictionary.capacity);
|
||||
xfree(*cur_item.node_p);
|
||||
*cur_item.node_p = NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
kvi_destroy(ast_conv_stack);
|
||||
|
||||
assert(ret.size == ret.capacity);
|
||||
// Should be a no-op actually, leaving it in case non-nodes will need to be
|
||||
// freed later.
|
||||
viml_pexpr_free_ast(east);
|
||||
viml_parser_destroy(&pstate);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
/// Writes a message to vim output or error buffer. The string is split
|
||||
/// and flushed after each newline. Incomplete lines are kept for writing
|
||||
/// later.
|
||||
|
733
src/nvim/api/vimscript.c
Normal file
733
src/nvim/api/vimscript.c
Normal file
@ -0,0 +1,733 @@
|
||||
// This is an open source non-commercial project. Dear PVS-Studio, please check
|
||||
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
|
||||
|
||||
#include <assert.h>
|
||||
#include <limits.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "nvim/ascii.h"
|
||||
#include "nvim/api/vimscript.h"
|
||||
#include "nvim/api/private/converter.h"
|
||||
#include "nvim/api/private/defs.h"
|
||||
#include "nvim/api/private/helpers.h"
|
||||
#include "nvim/eval.h"
|
||||
#include "nvim/eval/typval.h"
|
||||
#include "nvim/eval/userfunc.h"
|
||||
#include "nvim/ex_cmds2.h"
|
||||
#include "nvim/viml/parser/expressions.h"
|
||||
#include "nvim/viml/parser/parser.h"
|
||||
|
||||
#ifdef INCLUDE_GENERATED_DECLARATIONS
|
||||
# include "api/vimscript.c.generated.h"
|
||||
#endif
|
||||
|
||||
/// Executes Vimscript (multiline block of Ex-commands), like anonymous
|
||||
/// |:source|.
|
||||
///
|
||||
/// Unlike |nvim_command()| this function supports heredocs, script-scope (s:),
|
||||
/// etc.
|
||||
///
|
||||
/// On execution error: fails with VimL error, does not update v:errmsg.
|
||||
///
|
||||
/// @see |execute()|
|
||||
/// @see |nvim_command()|
|
||||
///
|
||||
/// @param src Vimscript code
|
||||
/// @param output Capture and return all (non-error, non-shell |:!|) output
|
||||
/// @param[out] err Error details (Vim error), if any
|
||||
/// @return Output (non-error, non-shell |:!|) if `output` is true,
|
||||
/// else empty string.
|
||||
String nvim_exec(String src, Boolean output, Error *err)
|
||||
FUNC_API_SINCE(7)
|
||||
{
|
||||
const int save_msg_silent = msg_silent;
|
||||
garray_T *const save_capture_ga = capture_ga;
|
||||
garray_T capture_local;
|
||||
if (output) {
|
||||
ga_init(&capture_local, 1, 80);
|
||||
capture_ga = &capture_local;
|
||||
}
|
||||
|
||||
try_start();
|
||||
if (output) {
|
||||
msg_silent++;
|
||||
}
|
||||
do_source_str(src.data, "nvim_exec()");
|
||||
if (output) {
|
||||
capture_ga = save_capture_ga;
|
||||
msg_silent = save_msg_silent;
|
||||
}
|
||||
try_end(err);
|
||||
|
||||
if (ERROR_SET(err)) {
|
||||
goto theend;
|
||||
}
|
||||
|
||||
if (output && capture_local.ga_len > 1) {
|
||||
String s = (String){
|
||||
.data = capture_local.ga_data,
|
||||
.size = (size_t)capture_local.ga_len,
|
||||
};
|
||||
// redir usually (except :echon) prepends a newline.
|
||||
if (s.data[0] == '\n') {
|
||||
memmove(s.data, s.data + 1, s.size - 1);
|
||||
s.data[s.size - 1] = '\0';
|
||||
s.size = s.size - 1;
|
||||
}
|
||||
return s; // Caller will free the memory.
|
||||
}
|
||||
theend:
|
||||
if (output) {
|
||||
ga_clear(&capture_local);
|
||||
}
|
||||
return (String)STRING_INIT;
|
||||
}
|
||||
|
||||
/// Executes an ex-command.
|
||||
///
|
||||
/// On execution error: fails with VimL error, does not update v:errmsg.
|
||||
///
|
||||
/// @see |nvim_exec()|
|
||||
///
|
||||
/// @param command Ex-command string
|
||||
/// @param[out] err Error details (Vim error), if any
|
||||
void nvim_command(String command, Error *err)
|
||||
FUNC_API_SINCE(1)
|
||||
{
|
||||
try_start();
|
||||
do_cmdline_cmd(command.data);
|
||||
try_end(err);
|
||||
}
|
||||
|
||||
/// Evaluates a VimL |expression|.
|
||||
/// Dictionaries and Lists are recursively expanded.
|
||||
///
|
||||
/// On execution error: fails with VimL error, does not update v:errmsg.
|
||||
///
|
||||
/// @param expr VimL expression string
|
||||
/// @param[out] err Error details, if any
|
||||
/// @return Evaluation result or expanded object
|
||||
Object nvim_eval(String expr, Error *err)
|
||||
FUNC_API_SINCE(1)
|
||||
{
|
||||
static int recursive = 0; // recursion depth
|
||||
Object rv = OBJECT_INIT;
|
||||
|
||||
TRY_WRAP({
|
||||
// Initialize `force_abort` and `suppress_errthrow` at the top level.
|
||||
if (!recursive) {
|
||||
force_abort = false;
|
||||
suppress_errthrow = false;
|
||||
current_exception = NULL;
|
||||
// `did_emsg` is set by emsg(), which cancels execution.
|
||||
did_emsg = false;
|
||||
}
|
||||
recursive++;
|
||||
try_start();
|
||||
|
||||
typval_T rettv;
|
||||
int ok = eval0((char_u *)expr.data, &rettv, NULL, true);
|
||||
|
||||
if (!try_end(err)) {
|
||||
if (ok == FAIL) {
|
||||
// Should never happen, try_end() should get the error. #8371
|
||||
api_set_error(err, kErrorTypeException,
|
||||
"Failed to evaluate expression: '%.*s'", 256, expr.data);
|
||||
} else {
|
||||
rv = vim_to_object(&rettv);
|
||||
}
|
||||
}
|
||||
|
||||
tv_clear(&rettv);
|
||||
recursive--;
|
||||
});
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
/// Calls a VimL function.
|
||||
///
|
||||
/// @param fn Function name
|
||||
/// @param args Function arguments
|
||||
/// @param self `self` dict, or NULL for non-dict functions
|
||||
/// @param[out] err Error details, if any
|
||||
/// @return Result of the function call
|
||||
static Object _call_function(String fn, Array args, dict_T *self, Error *err)
|
||||
{
|
||||
static int recursive = 0; // recursion depth
|
||||
Object rv = OBJECT_INIT;
|
||||
|
||||
if (args.size > MAX_FUNC_ARGS) {
|
||||
api_set_error(err, kErrorTypeValidation,
|
||||
"Function called with too many arguments");
|
||||
return rv;
|
||||
}
|
||||
|
||||
// Convert the arguments in args from Object to typval_T values
|
||||
typval_T vim_args[MAX_FUNC_ARGS + 1];
|
||||
size_t i = 0; // also used for freeing the variables
|
||||
for (; i < args.size; i++) {
|
||||
if (!object_to_vim(args.items[i], &vim_args[i], err)) {
|
||||
goto free_vim_args;
|
||||
}
|
||||
}
|
||||
|
||||
TRY_WRAP({
|
||||
// Initialize `force_abort` and `suppress_errthrow` at the top level.
|
||||
if (!recursive) {
|
||||
force_abort = false;
|
||||
suppress_errthrow = false;
|
||||
current_exception = NULL;
|
||||
// `did_emsg` is set by emsg(), which cancels execution.
|
||||
did_emsg = false;
|
||||
}
|
||||
recursive++;
|
||||
try_start();
|
||||
typval_T rettv;
|
||||
funcexe_T funcexe = FUNCEXE_INIT;
|
||||
funcexe.firstline = curwin->w_cursor.lnum;
|
||||
funcexe.lastline = curwin->w_cursor.lnum;
|
||||
funcexe.evaluate = true;
|
||||
funcexe.selfdict = self;
|
||||
// call_func() retval is deceptive, ignore it. Instead we set `msg_list`
|
||||
// (see above) to capture abort-causing non-exception errors.
|
||||
(void)call_func((char_u *)fn.data, (int)fn.size, &rettv, (int)args.size,
|
||||
vim_args, &funcexe);
|
||||
if (!try_end(err)) {
|
||||
rv = vim_to_object(&rettv);
|
||||
}
|
||||
tv_clear(&rettv);
|
||||
recursive--;
|
||||
});
|
||||
|
||||
free_vim_args:
|
||||
while (i > 0) {
|
||||
tv_clear(&vim_args[--i]);
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
/// Calls a VimL function with the given arguments.
|
||||
///
|
||||
/// On execution error: fails with VimL error, does not update v:errmsg.
|
||||
///
|
||||
/// @param fn Function to call
|
||||
/// @param args Function arguments packed in an Array
|
||||
/// @param[out] err Error details, if any
|
||||
/// @return Result of the function call
|
||||
Object nvim_call_function(String fn, Array args, Error *err)
|
||||
FUNC_API_SINCE(1)
|
||||
{
|
||||
return _call_function(fn, args, NULL, err);
|
||||
}
|
||||
|
||||
/// Calls a VimL |Dictionary-function| with the given arguments.
|
||||
///
|
||||
/// On execution error: fails with VimL error, does not update v:errmsg.
|
||||
///
|
||||
/// @param dict Dictionary, or String evaluating to a VimL |self| dict
|
||||
/// @param fn Name of the function defined on the VimL dict
|
||||
/// @param args Function arguments packed in an Array
|
||||
/// @param[out] err Error details, if any
|
||||
/// @return Result of the function call
|
||||
Object nvim_call_dict_function(Object dict, String fn, Array args, Error *err)
|
||||
FUNC_API_SINCE(4)
|
||||
{
|
||||
Object rv = OBJECT_INIT;
|
||||
|
||||
typval_T rettv;
|
||||
bool mustfree = false;
|
||||
switch (dict.type) {
|
||||
case kObjectTypeString:
|
||||
try_start();
|
||||
if (eval0((char_u *)dict.data.string.data, &rettv, NULL, true) == FAIL) {
|
||||
api_set_error(err, kErrorTypeException,
|
||||
"Failed to evaluate dict expression");
|
||||
}
|
||||
if (try_end(err)) {
|
||||
return rv;
|
||||
}
|
||||
// Evaluation of the string arg created a new dict or increased the
|
||||
// refcount of a dict. Not necessary for a RPC dict.
|
||||
mustfree = true;
|
||||
break;
|
||||
case kObjectTypeDictionary:
|
||||
if (!object_to_vim(dict, &rettv, err)) {
|
||||
goto end;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
api_set_error(err, kErrorTypeValidation,
|
||||
"dict argument type must be String or Dictionary");
|
||||
return rv;
|
||||
}
|
||||
dict_T *self_dict = rettv.vval.v_dict;
|
||||
if (rettv.v_type != VAR_DICT || !self_dict) {
|
||||
api_set_error(err, kErrorTypeValidation, "dict not found");
|
||||
goto end;
|
||||
}
|
||||
|
||||
if (fn.data && fn.size > 0 && dict.type != kObjectTypeDictionary) {
|
||||
dictitem_T *const di = tv_dict_find(self_dict, fn.data, (ptrdiff_t)fn.size);
|
||||
if (di == NULL) {
|
||||
api_set_error(err, kErrorTypeValidation, "Not found: %s", fn.data);
|
||||
goto end;
|
||||
}
|
||||
if (di->di_tv.v_type == VAR_PARTIAL) {
|
||||
api_set_error(err, kErrorTypeValidation,
|
||||
"partial function not supported");
|
||||
goto end;
|
||||
}
|
||||
if (di->di_tv.v_type != VAR_FUNC) {
|
||||
api_set_error(err, kErrorTypeValidation, "Not a function: %s", fn.data);
|
||||
goto end;
|
||||
}
|
||||
fn = (String) {
|
||||
.data = (char *)di->di_tv.vval.v_string,
|
||||
.size = STRLEN(di->di_tv.vval.v_string),
|
||||
};
|
||||
}
|
||||
|
||||
if (!fn.data || fn.size < 1) {
|
||||
api_set_error(err, kErrorTypeValidation, "Invalid (empty) function name");
|
||||
goto end;
|
||||
}
|
||||
|
||||
rv = _call_function(fn, args, self_dict, err);
|
||||
end:
|
||||
if (mustfree) {
|
||||
tv_clear(&rettv);
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
typedef struct {
|
||||
ExprASTNode **node_p;
|
||||
Object *ret_node_p;
|
||||
} ExprASTConvStackItem;
|
||||
|
||||
/// @cond DOXYGEN_NOT_A_FUNCTION
|
||||
typedef kvec_withinit_t(ExprASTConvStackItem, 16) ExprASTConvStack;
|
||||
/// @endcond
|
||||
|
||||
/// Parse a VimL expression.
|
||||
///
|
||||
/// @param[in] expr Expression to parse. Always treated as a single line.
|
||||
/// @param[in] flags Flags:
|
||||
/// - "m" if multiple expressions in a row are allowed (only
|
||||
/// the first one will be parsed),
|
||||
/// - "E" if EOC tokens are not allowed (determines whether
|
||||
/// they will stop parsing process or be recognized as an
|
||||
/// operator/space, though also yielding an error).
|
||||
/// - "l" when needing to start parsing with lvalues for
|
||||
/// ":let" or ":for".
|
||||
/// Common flag sets:
|
||||
/// - "m" to parse like for ":echo".
|
||||
/// - "E" to parse like for "<C-r>=".
|
||||
/// - empty string for ":call".
|
||||
/// - "lm" to parse for ":let".
|
||||
/// @param[in] highlight If true, return value will also include "highlight"
|
||||
/// key containing array of 4-tuples (arrays) (Integer,
|
||||
/// Integer, Integer, String), where first three numbers
|
||||
/// define the highlighted region and represent line,
|
||||
/// starting column and ending column (latter exclusive:
|
||||
/// one should highlight region [start_col, end_col)).
|
||||
///
|
||||
/// @return
|
||||
/// - AST: top-level dictionary with these keys:
|
||||
/// - "error": Dictionary with error, present only if parser saw some
|
||||
/// error. Contains the following keys:
|
||||
/// - "message": String, error message in printf format, translated.
|
||||
/// Must contain exactly one "%.*s".
|
||||
/// - "arg": String, error message argument.
|
||||
/// - "len": Amount of bytes successfully parsed. With flags equal to ""
|
||||
/// that should be equal to the length of expr string.
|
||||
/// (“Successfully parsed” here means “participated in AST
|
||||
/// creation”, not “till the first error”.)
|
||||
/// - "ast": AST, either nil or a dictionary with these keys:
|
||||
/// - "type": node type, one of the value names from ExprASTNodeType
|
||||
/// stringified without "kExprNode" prefix.
|
||||
/// - "start": a pair [line, column] describing where node is "started"
|
||||
/// where "line" is always 0 (will not be 0 if you will be
|
||||
/// using nvim_parse_viml() on e.g. ":let", but that is not
|
||||
/// present yet). Both elements are Integers.
|
||||
/// - "len": “length” of the node. This and "start" are there for
|
||||
/// debugging purposes primary (debugging parser and providing
|
||||
/// debug information).
|
||||
/// - "children": a list of nodes described in top/"ast". There always
|
||||
/// is zero, one or two children, key will not be present
|
||||
/// if node has no children. Maximum number of children
|
||||
/// may be found in node_maxchildren array.
|
||||
/// - Local values (present only for certain nodes):
|
||||
/// - "scope": a single Integer, specifies scope for "Option" and
|
||||
/// "PlainIdentifier" nodes. For "Option" it is one of
|
||||
/// ExprOptScope values, for "PlainIdentifier" it is one of
|
||||
/// ExprVarScope values.
|
||||
/// - "ident": identifier (without scope, if any), present for "Option",
|
||||
/// "PlainIdentifier", "PlainKey" and "Environment" nodes.
|
||||
/// - "name": Integer, register name (one character) or -1. Only present
|
||||
/// for "Register" nodes.
|
||||
/// - "cmp_type": String, comparison type, one of the value names from
|
||||
/// ExprComparisonType, stringified without "kExprCmp"
|
||||
/// prefix. Only present for "Comparison" nodes.
|
||||
/// - "ccs_strategy": String, case comparison strategy, one of the
|
||||
/// value names from ExprCaseCompareStrategy,
|
||||
/// stringified without "kCCStrategy" prefix. Only
|
||||
/// present for "Comparison" nodes.
|
||||
/// - "augmentation": String, augmentation type for "Assignment" nodes.
|
||||
/// Is either an empty string, "Add", "Subtract" or
|
||||
/// "Concat" for "=", "+=", "-=" or ".=" respectively.
|
||||
/// - "invert": Boolean, true if result of comparison needs to be
|
||||
/// inverted. Only present for "Comparison" nodes.
|
||||
/// - "ivalue": Integer, integer value for "Integer" nodes.
|
||||
/// - "fvalue": Float, floating-point value for "Float" nodes.
|
||||
/// - "svalue": String, value for "SingleQuotedString" and
|
||||
/// "DoubleQuotedString" nodes.
|
||||
/// @param[out] err Error details, if any
|
||||
Dictionary nvim_parse_expression(String expr, String flags, Boolean highlight, Error *err)
|
||||
FUNC_API_SINCE(4) FUNC_API_FAST
|
||||
{
|
||||
int pflags = 0;
|
||||
for (size_t i = 0 ; i < flags.size ; i++) {
|
||||
switch (flags.data[i]) {
|
||||
case 'm':
|
||||
pflags |= kExprFlagsMulti; break;
|
||||
case 'E':
|
||||
pflags |= kExprFlagsDisallowEOC; break;
|
||||
case 'l':
|
||||
pflags |= kExprFlagsParseLet; break;
|
||||
case NUL:
|
||||
api_set_error(err, kErrorTypeValidation, "Invalid flag: '\\0' (%u)",
|
||||
(unsigned)flags.data[i]);
|
||||
return (Dictionary)ARRAY_DICT_INIT;
|
||||
default:
|
||||
api_set_error(err, kErrorTypeValidation, "Invalid flag: '%c' (%u)",
|
||||
flags.data[i], (unsigned)flags.data[i]);
|
||||
return (Dictionary)ARRAY_DICT_INIT;
|
||||
}
|
||||
}
|
||||
ParserLine parser_lines[] = {
|
||||
{
|
||||
.data = expr.data,
|
||||
.size = expr.size,
|
||||
.allocated = false,
|
||||
},
|
||||
{ NULL, 0, false },
|
||||
};
|
||||
ParserLine *plines_p = parser_lines;
|
||||
ParserHighlight colors;
|
||||
kvi_init(colors);
|
||||
ParserHighlight *const colors_p = (highlight ? &colors : NULL);
|
||||
ParserState pstate;
|
||||
viml_parser_init(&pstate, parser_simple_get_line, &plines_p, colors_p);
|
||||
ExprAST east = viml_pexpr_parse(&pstate, pflags);
|
||||
|
||||
const size_t ret_size = (2 // "ast", "len"
|
||||
+ (size_t)(east.err.msg != NULL) // "error"
|
||||
+ (size_t)highlight // "highlight"
|
||||
+ 0);
|
||||
Dictionary ret = {
|
||||
.items = xmalloc(ret_size * sizeof(ret.items[0])),
|
||||
.size = 0,
|
||||
.capacity = ret_size,
|
||||
};
|
||||
ret.items[ret.size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ast"),
|
||||
.value = NIL,
|
||||
};
|
||||
ret.items[ret.size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("len"),
|
||||
.value = INTEGER_OBJ((Integer)(pstate.pos.line == 1
|
||||
? parser_lines[0].size
|
||||
: pstate.pos.col)),
|
||||
};
|
||||
if (east.err.msg != NULL) {
|
||||
Dictionary err_dict = {
|
||||
.items = xmalloc(2 * sizeof(err_dict.items[0])),
|
||||
.size = 2,
|
||||
.capacity = 2,
|
||||
};
|
||||
err_dict.items[0] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("message"),
|
||||
.value = STRING_OBJ(cstr_to_string(east.err.msg)),
|
||||
};
|
||||
if (east.err.arg == NULL) {
|
||||
err_dict.items[1] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("arg"),
|
||||
.value = STRING_OBJ(STRING_INIT),
|
||||
};
|
||||
} else {
|
||||
err_dict.items[1] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("arg"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(east.err.arg, (size_t)east.err.arg_len),
|
||||
.size = (size_t)east.err.arg_len,
|
||||
})),
|
||||
};
|
||||
}
|
||||
ret.items[ret.size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("error"),
|
||||
.value = DICTIONARY_OBJ(err_dict),
|
||||
};
|
||||
}
|
||||
if (highlight) {
|
||||
Array hl = (Array) {
|
||||
.items = xmalloc(kv_size(colors) * sizeof(hl.items[0])),
|
||||
.capacity = kv_size(colors),
|
||||
.size = kv_size(colors),
|
||||
};
|
||||
for (size_t i = 0 ; i < kv_size(colors) ; i++) {
|
||||
const ParserHighlightChunk chunk = kv_A(colors, i);
|
||||
Array chunk_arr = (Array) {
|
||||
.items = xmalloc(4 * sizeof(chunk_arr.items[0])),
|
||||
.capacity = 4,
|
||||
.size = 4,
|
||||
};
|
||||
chunk_arr.items[0] = INTEGER_OBJ((Integer)chunk.start.line);
|
||||
chunk_arr.items[1] = INTEGER_OBJ((Integer)chunk.start.col);
|
||||
chunk_arr.items[2] = INTEGER_OBJ((Integer)chunk.end_col);
|
||||
chunk_arr.items[3] = STRING_OBJ(cstr_to_string(chunk.group));
|
||||
hl.items[i] = ARRAY_OBJ(chunk_arr);
|
||||
}
|
||||
ret.items[ret.size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("highlight"),
|
||||
.value = ARRAY_OBJ(hl),
|
||||
};
|
||||
}
|
||||
kvi_destroy(colors);
|
||||
|
||||
// Walk over the AST, freeing nodes in process.
|
||||
ExprASTConvStack ast_conv_stack;
|
||||
kvi_init(ast_conv_stack);
|
||||
kvi_push(ast_conv_stack, ((ExprASTConvStackItem) {
|
||||
.node_p = &east.root,
|
||||
.ret_node_p = &ret.items[0].value,
|
||||
}));
|
||||
while (kv_size(ast_conv_stack)) {
|
||||
ExprASTConvStackItem cur_item = kv_last(ast_conv_stack);
|
||||
ExprASTNode *const node = *cur_item.node_p;
|
||||
if (node == NULL) {
|
||||
assert(kv_size(ast_conv_stack) == 1);
|
||||
kv_drop(ast_conv_stack, 1);
|
||||
} else {
|
||||
if (cur_item.ret_node_p->type == kObjectTypeNil) {
|
||||
size_t items_size = (size_t)(3 // "type", "start" and "len"
|
||||
+ (node->children != NULL) // "children"
|
||||
+ (node->type == kExprNodeOption
|
||||
|| node->type == kExprNodePlainIdentifier) // "scope"
|
||||
+ (node->type == kExprNodeOption
|
||||
|| node->type == kExprNodePlainIdentifier
|
||||
|| node->type == kExprNodePlainKey
|
||||
|| node->type == kExprNodeEnvironment) // "ident"
|
||||
+ (node->type == kExprNodeRegister) // "name"
|
||||
+ (3 // "cmp_type", "ccs_strategy", "invert"
|
||||
* (node->type == kExprNodeComparison))
|
||||
+ (node->type == kExprNodeInteger) // "ivalue"
|
||||
+ (node->type == kExprNodeFloat) // "fvalue"
|
||||
+ (node->type == kExprNodeDoubleQuotedString
|
||||
|| node->type == kExprNodeSingleQuotedString) // "svalue"
|
||||
+ (node->type == kExprNodeAssignment) // "augmentation"
|
||||
+ 0);
|
||||
Dictionary ret_node = {
|
||||
.items = xmalloc(items_size * sizeof(ret_node.items[0])),
|
||||
.capacity = items_size,
|
||||
.size = 0,
|
||||
};
|
||||
*cur_item.ret_node_p = DICTIONARY_OBJ(ret_node);
|
||||
}
|
||||
Dictionary *ret_node = &cur_item.ret_node_p->data.dictionary;
|
||||
if (node->children != NULL) {
|
||||
const size_t num_children = 1 + (node->children->next != NULL);
|
||||
Array children_array = {
|
||||
.items = xmalloc(num_children * sizeof(children_array.items[0])),
|
||||
.capacity = num_children,
|
||||
.size = num_children,
|
||||
};
|
||||
for (size_t i = 0; i < num_children; i++) {
|
||||
children_array.items[i] = NIL;
|
||||
}
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("children"),
|
||||
.value = ARRAY_OBJ(children_array),
|
||||
};
|
||||
kvi_push(ast_conv_stack, ((ExprASTConvStackItem) {
|
||||
.node_p = &node->children,
|
||||
.ret_node_p = &children_array.items[0],
|
||||
}));
|
||||
} else if (node->next != NULL) {
|
||||
kvi_push(ast_conv_stack, ((ExprASTConvStackItem) {
|
||||
.node_p = &node->next,
|
||||
.ret_node_p = cur_item.ret_node_p + 1,
|
||||
}));
|
||||
} else {
|
||||
kv_drop(ast_conv_stack, 1);
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("type"),
|
||||
.value = STRING_OBJ(cstr_to_string(east_node_type_tab[node->type])),
|
||||
};
|
||||
Array start_array = {
|
||||
.items = xmalloc(2 * sizeof(start_array.items[0])),
|
||||
.capacity = 2,
|
||||
.size = 2,
|
||||
};
|
||||
start_array.items[0] = INTEGER_OBJ((Integer)node->start.line);
|
||||
start_array.items[1] = INTEGER_OBJ((Integer)node->start.col);
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("start"),
|
||||
.value = ARRAY_OBJ(start_array),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("len"),
|
||||
.value = INTEGER_OBJ((Integer)node->len),
|
||||
};
|
||||
switch (node->type) {
|
||||
case kExprNodeDoubleQuotedString:
|
||||
case kExprNodeSingleQuotedString:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("svalue"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = node->data.str.value,
|
||||
.size = node->data.str.size,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodeOption:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("scope"),
|
||||
.value = INTEGER_OBJ(node->data.opt.scope),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ident"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(node->data.opt.ident,
|
||||
node->data.opt.ident_len),
|
||||
.size = node->data.opt.ident_len,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodePlainIdentifier:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("scope"),
|
||||
.value = INTEGER_OBJ(node->data.var.scope),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ident"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(node->data.var.ident,
|
||||
node->data.var.ident_len),
|
||||
.size = node->data.var.ident_len,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodePlainKey:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ident"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(node->data.var.ident,
|
||||
node->data.var.ident_len),
|
||||
.size = node->data.var.ident_len,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodeEnvironment:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ident"),
|
||||
.value = STRING_OBJ(((String) {
|
||||
.data = xmemdupz(node->data.env.ident,
|
||||
node->data.env.ident_len),
|
||||
.size = node->data.env.ident_len,
|
||||
})),
|
||||
};
|
||||
break;
|
||||
case kExprNodeRegister:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("name"),
|
||||
.value = INTEGER_OBJ(node->data.reg.name),
|
||||
};
|
||||
break;
|
||||
case kExprNodeComparison:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("cmp_type"),
|
||||
.value = STRING_OBJ(cstr_to_string(eltkn_cmp_type_tab[node->data.cmp.type])),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ccs_strategy"),
|
||||
.value = STRING_OBJ(cstr_to_string(ccs_tab[node->data.cmp.ccs])),
|
||||
};
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("invert"),
|
||||
.value = BOOLEAN_OBJ(node->data.cmp.inv),
|
||||
};
|
||||
break;
|
||||
case kExprNodeFloat:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("fvalue"),
|
||||
.value = FLOAT_OBJ(node->data.flt.value),
|
||||
};
|
||||
break;
|
||||
case kExprNodeInteger:
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("ivalue"),
|
||||
.value = INTEGER_OBJ((Integer)(node->data.num.value > API_INTEGER_MAX
|
||||
? API_INTEGER_MAX
|
||||
: (Integer)node->data.num.value)),
|
||||
};
|
||||
break;
|
||||
case kExprNodeAssignment: {
|
||||
const ExprAssignmentType asgn_type = node->data.ass.type;
|
||||
ret_node->items[ret_node->size++] = (KeyValuePair) {
|
||||
.key = STATIC_CSTR_TO_STRING("augmentation"),
|
||||
.value = STRING_OBJ(asgn_type == kExprAsgnPlain
|
||||
? (String)STRING_INIT
|
||||
: cstr_to_string(expr_asgn_type_tab[asgn_type])),
|
||||
};
|
||||
break;
|
||||
}
|
||||
case kExprNodeMissing:
|
||||
case kExprNodeOpMissing:
|
||||
case kExprNodeTernary:
|
||||
case kExprNodeTernaryValue:
|
||||
case kExprNodeSubscript:
|
||||
case kExprNodeListLiteral:
|
||||
case kExprNodeUnaryPlus:
|
||||
case kExprNodeBinaryPlus:
|
||||
case kExprNodeNested:
|
||||
case kExprNodeCall:
|
||||
case kExprNodeComplexIdentifier:
|
||||
case kExprNodeUnknownFigure:
|
||||
case kExprNodeLambda:
|
||||
case kExprNodeDictLiteral:
|
||||
case kExprNodeCurlyBracesIdentifier:
|
||||
case kExprNodeComma:
|
||||
case kExprNodeColon:
|
||||
case kExprNodeArrow:
|
||||
case kExprNodeConcat:
|
||||
case kExprNodeConcatOrSubscript:
|
||||
case kExprNodeOr:
|
||||
case kExprNodeAnd:
|
||||
case kExprNodeUnaryMinus:
|
||||
case kExprNodeBinaryMinus:
|
||||
case kExprNodeNot:
|
||||
case kExprNodeMultiplication:
|
||||
case kExprNodeDivision:
|
||||
case kExprNodeMod:
|
||||
break;
|
||||
}
|
||||
assert(cur_item.ret_node_p->data.dictionary.size
|
||||
== cur_item.ret_node_p->data.dictionary.capacity);
|
||||
xfree(*cur_item.node_p);
|
||||
*cur_item.node_p = NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
kvi_destroy(ast_conv_stack);
|
||||
|
||||
assert(ret.size == ret.capacity);
|
||||
// Should be a no-op actually, leaving it in case non-nodes will need to be
|
||||
// freed later.
|
||||
viml_pexpr_free_ast(east);
|
||||
viml_parser_destroy(&pstate);
|
||||
return ret;
|
||||
}
|
9
src/nvim/api/vimscript.h
Normal file
9
src/nvim/api/vimscript.h
Normal file
@ -0,0 +1,9 @@
|
||||
#ifndef NVIM_API_VIMSCRIPT_H
|
||||
#define NVIM_API_VIMSCRIPT_H
|
||||
|
||||
#include "nvim/api/private/defs.h"
|
||||
|
||||
#ifdef INCLUDE_GENERATED_DECLARATIONS
|
||||
# include "api/vimscript.h.generated.h"
|
||||
#endif
|
||||
#endif // NVIM_API_VIMSCRIPT_H
|
@ -6,6 +6,7 @@
|
||||
#include "nvim/api/private/converter.h"
|
||||
#include "nvim/api/private/helpers.h"
|
||||
#include "nvim/api/vim.h"
|
||||
#include "nvim/api/vimscript.h"
|
||||
#include "nvim/context.h"
|
||||
#include "nvim/eval/encode.h"
|
||||
#include "nvim/ex_docmd.h"
|
||||
|
@ -18,7 +18,7 @@ local type_key = api_helpers.type_key
|
||||
local obj2lua = api_helpers.obj2lua
|
||||
local func_type = api_helpers.func_type
|
||||
|
||||
local api = cimport('./src/nvim/api/private/helpers.h')
|
||||
local api = cimport('./src/nvim/api/private/helpers.h', './src/nvim/api/private/converter.h')
|
||||
|
||||
describe('vim_to_object', function()
|
||||
local vim_to_object = function(l)
|
||||
|
Loading…
Reference in New Issue
Block a user