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-rw-r--r--src/nvim/api/vim.c63
-rw-r--r--src/nvim/ex_cmds2.c71
-rw-r--r--src/nvim/ex_docmd.c9
-rw-r--r--src/nvim/globals.h1
-rw-r--r--test/functional/api/vim_spec.lua122
5 files changed, 258 insertions, 8 deletions
diff --git a/src/nvim/api/vim.c b/src/nvim/api/vim.c
index e4a9bd64ff..6763a3a936 100644
--- a/src/nvim/api/vim.c
+++ b/src/nvim/api/vim.c
@@ -25,6 +25,7 @@
#include "nvim/highlight.h"
#include "nvim/window.h"
#include "nvim/types.h"
+#include "nvim/ex_cmds2.h"
#include "nvim/ex_docmd.h"
#include "nvim/screen.h"
#include "nvim/memline.h"
@@ -72,10 +73,70 @@ void api_vim_free_all_mem(void)
map_free(String, handle_T)(namespace_ids);
}
+/// Executes Vimscript (multiline block of Ex-commands), like anonymous
+/// |:source|.
+///
+/// Optionally returns (non-error, non-shell |:!|) output.
+///
+/// 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
+String nvim_exec(String src, Boolean output, Error *err)
+ FUNC_API_SINCE(7)
+{
+ if (!output) {
+ try_start();
+ do_source_str(src.data, "nvim_exec()");
+ try_end(err);
+ return (String)STRING_INIT;
+ }
+
+ const int save_msg_silent = msg_silent;
+ garray_T *const save_capture_ga = capture_ga;
+ garray_T capture_local;
+ ga_init(&capture_local, 1, 80);
+
+ try_start();
+ msg_silent++;
+ capture_ga = &capture_local;
+ do_source_str(src.data, "nvim_exec()");
+ capture_ga = save_capture_ga;
+ msg_silent = save_msg_silent;
+ try_end(err);
+
+ if (ERROR_SET(err)) {
+ goto theend;
+ }
+
+ if (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:
+ 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)
@@ -378,7 +439,7 @@ theend:
return (String)STRING_INIT;
}
-/// Evaluates a VimL expression (:help expression).
+/// Evaluates a VimL |expression|.
/// Dictionaries and Lists are recursively expanded.
///
/// On execution error: fails with VimL error, does not update v:errmsg.
diff --git a/src/nvim/ex_cmds2.c b/src/nvim/ex_cmds2.c
index 84291b3637..8479c15b40 100644
--- a/src/nvim/ex_cmds2.c
+++ b/src/nvim/ex_cmds2.c
@@ -3015,11 +3015,78 @@ static FILE *fopen_noinh_readbin(char *filename)
return fdopen(fd_tmp, READBIN);
}
+typedef struct {
+ char_u *buf;
+ size_t offset;
+} GetStrLineCookie;
-/// Read the file "fname" and execute its lines as EX commands.
+/// Get one full line from a sourced string (in-memory, no file).
+/// Called by do_cmdline() when it's called from do_source_str().
+///
+/// @return pointer to allocated line, or NULL for end-of-file or
+/// some error.
+static char_u *get_str_line(int c, void *cookie, int indent, bool do_concat)
+{
+ GetStrLineCookie *p = cookie;
+ size_t i = p->offset;
+ if (strlen((char *)p->buf) <= p->offset) {
+ return NULL;
+ }
+ while (!(p->buf[i] == '\n' || p->buf[i] == '\0')) {
+ i++;
+ }
+ char buf[2046];
+ char *dst;
+ dst = xstpncpy(buf, (char *)p->buf + p->offset, i - p->offset);
+ if ((uint32_t)(dst - buf) != i - p->offset) {
+ smsg(_(":source error parsing command %s"), p->buf);
+ return NULL;
+ }
+ buf[i - p->offset] = '\0';
+ p->offset = i + 1;
+ return (char_u *)xstrdup(buf);
+}
+
+/// Executes lines in `src` as Ex commands.
+///
+/// @see do_source()
+int do_source_str(const char *cmd, const char *traceback_name)
+{
+ char_u *save_sourcing_name = sourcing_name;
+ linenr_T save_sourcing_lnum = sourcing_lnum;
+ char_u sourcing_name_buf[256];
+ if (save_sourcing_name == NULL) {
+ sourcing_name = (char_u *)traceback_name;
+ } else {
+ snprintf((char *)sourcing_name_buf, sizeof(sourcing_name_buf),
+ "%s called at %s:%"PRIdLINENR, traceback_name, save_sourcing_name,
+ save_sourcing_lnum);
+ sourcing_name = sourcing_name_buf;
+ }
+ sourcing_lnum = 0;
+
+ GetStrLineCookie cookie = {
+ .buf = (char_u *)cmd,
+ .offset = 0,
+ };
+ const sctx_T save_current_sctx = current_sctx;
+ current_sctx.sc_sid = SID_STR;
+ current_sctx.sc_seq = 0;
+ current_sctx.sc_lnum = save_sourcing_lnum;
+ int retval = do_cmdline(NULL, get_str_line, (void *)&cookie,
+ DOCMD_VERBOSE | DOCMD_NOWAIT | DOCMD_REPEAT);
+ current_sctx = save_current_sctx;
+ sourcing_lnum = save_sourcing_lnum;
+ sourcing_name = save_sourcing_name;
+ return retval;
+}
+
+/// Reads the file `fname` and executes its lines as Ex commands.
///
/// This function may be called recursively!
///
+/// @see do_source_str
+///
/// @param fname
/// @param check_other check for .vimrc and _vimrc
/// @param is_vimrc DOSO_ value
@@ -3360,6 +3427,8 @@ char_u *get_scriptname(LastSet last_set, bool *should_free)
_("API client (channel id %" PRIu64 ")"),
last_set.channel_id);
return IObuff;
+ case SID_STR:
+ return (char_u *)_(":source (no file)");
default:
*should_free = true;
return home_replace_save(NULL,
diff --git a/src/nvim/ex_docmd.c b/src/nvim/ex_docmd.c
index 743286c64a..dc2726709f 100644
--- a/src/nvim/ex_docmd.c
+++ b/src/nvim/ex_docmd.c
@@ -421,13 +421,12 @@ int do_cmdline(char_u *cmdline, LineGetter fgetline,
// If force_abort is set, we cancel everything.
did_emsg = false;
- /*
- * KeyTyped is only set when calling vgetc(). Reset it here when not
- * calling vgetc() (sourced command lines).
- */
+ // KeyTyped is only set when calling vgetc(). Reset it here when not
+ // calling vgetc() (sourced command lines).
if (!(flags & DOCMD_KEYTYPED)
- && !getline_equal(fgetline, cookie, getexline))
+ && !getline_equal(fgetline, cookie, getexline)) {
KeyTyped = false;
+ }
/*
* Continue executing command lines:
diff --git a/src/nvim/globals.h b/src/nvim/globals.h
index 15ad6d8767..172c190df2 100644
--- a/src/nvim/globals.h
+++ b/src/nvim/globals.h
@@ -331,6 +331,7 @@ EXTERN int garbage_collect_at_exit INIT(= false);
#define SID_NONE -6 // don't set scriptID
#define SID_LUA -7 // for Lua scripts/chunks
#define SID_API_CLIENT -8 // for API clients
+#define SID_STR -9 // for sourcing a string
// Script CTX being sourced or was sourced to define the current function.
EXTERN sctx_T current_sctx INIT(= { 0 COMMA 0 COMMA 0 });
diff --git a/test/functional/api/vim_spec.lua b/test/functional/api/vim_spec.lua
index 8b77dbcaa6..d7baf68a5b 100644
--- a/test/functional/api/vim_spec.lua
+++ b/test/functional/api/vim_spec.lua
@@ -16,6 +16,8 @@ local parse_context = helpers.parse_context
local request = helpers.request
local source = helpers.source
local next_msg = helpers.next_msg
+local tmpname = helpers.tmpname
+local write_file = helpers.write_file
local pcall_err = helpers.pcall_err
local format_string = helpers.format_string
@@ -74,9 +76,127 @@ describe('API', function()
eq({mode='i', blocking=false}, nvim("get_mode"))
end)
+ describe('nvim_exec', function()
+ it('one-line input', function()
+ nvim('exec', "let x1 = 'a'", false)
+ eq('a', nvim('get_var', 'x1'))
+ end)
+
+ it(':verbose set {option}?', function()
+ nvim('exec', 'set nowrap', false)
+ eq('nowrap\n\tLast set from :source (no file)',
+ nvim('exec', 'verbose set wrap?', true))
+ end)
+
+ it('multiline input', function()
+ -- Heredoc + empty lines.
+ nvim('exec', "let x2 = 'a'\n", false)
+ eq('a', nvim('get_var', 'x2'))
+ nvim('exec','lua <<EOF\n\n\n\ny=3\n\n\nEOF', false)
+ eq(3, nvim('eval', "luaeval('y')"))
+
+ eq('', nvim('exec', 'lua <<EOF\ny=3\nEOF', false))
+ eq(3, nvim('eval', "luaeval('y')"))
+
+ -- Multiple statements
+ nvim('exec', 'let x1=1\nlet x2=2\nlet x3=3\n', false)
+ eq(1, nvim('eval', 'x1'))
+ eq(2, nvim('eval', 'x2'))
+ eq(3, nvim('eval', 'x3'))
+
+ -- Functions
+ nvim('exec', 'function Foo()\ncall setline(1,["xxx"])\nendfunction', false)
+ eq(nvim('get_current_line'), '')
+ nvim('exec', 'call Foo()', false)
+ eq(nvim('get_current_line'), 'xxx')
+
+ -- Autocmds
+ nvim('exec','autocmd BufAdd * :let x1 = "Hello"', false)
+ nvim('command', 'new foo')
+ eq('Hello', request('nvim_eval', 'g:x1'))
+ end)
+
+ it('non-ASCII input', function()
+ nvim('exec', [=[
+ new
+ exe "normal! i ax \n Ax "
+ :%s/ax/--a1234--/g | :%s/Ax/--A1234--/g
+ ]=], false)
+ nvim('command', '1')
+ eq(' --a1234-- ', nvim('get_current_line'))
+ nvim('command', '2')
+ eq(' --A1234-- ', nvim('get_current_line'))
+
+ nvim('exec', [[
+ new
+ call setline(1,['xxx'])
+ call feedkeys('r')
+ call feedkeys('ñ', 'xt')
+ ]], false)
+ eq('ñxx', nvim('get_current_line'))
+ end)
+
+ it('execution error', function()
+ eq('Vim:E492: Not an editor command: bogus_command',
+ pcall_err(request, 'nvim_exec', 'bogus_command', false))
+ eq('', nvim('eval', 'v:errmsg')) -- v:errmsg was not updated.
+ eq('', eval('v:exception'))
+
+ eq('Vim(buffer):E86: Buffer 23487 does not exist',
+ pcall_err(request, 'nvim_exec', 'buffer 23487', false))
+ eq('', eval('v:errmsg')) -- v:errmsg was not updated.
+ eq('', eval('v:exception'))
+ end)
+
+ it('recursion', function()
+ local fname = tmpname()
+ write_file(fname, 'let x1 = "set from :source file"\n')
+ -- nvim_exec
+ -- :source
+ -- nvim_exec
+ request('nvim_exec', [[
+ let x2 = substitute('foo','o','X','g')
+ let x4 = 'should be overwritten'
+ call nvim_exec("source ]]..fname..[[\nlet x3 = substitute('foo','foo','set by recursive nvim_exec','g')\nlet x5='overwritten'\nlet x4=x5\n", v:false)
+ ]], false)
+ eq('set from :source file', request('nvim_get_var', 'x1'))
+ eq('fXX', request('nvim_get_var', 'x2'))
+ eq('set by recursive nvim_exec', request('nvim_get_var', 'x3'))
+ eq('overwritten', request('nvim_get_var', 'x4'))
+ eq('overwritten', request('nvim_get_var', 'x5'))
+ os.remove(fname)
+ end)
+
+ it('traceback', function()
+ local fname = tmpname()
+ write_file(fname, 'echo "hello"\n')
+ local sourcing_fname = tmpname()
+ write_file(sourcing_fname, 'call nvim_exec("source '..fname..'", v:false)\n')
+ meths.exec('set verbose=2', false)
+ local traceback_output = 'line 0: sourcing "'..sourcing_fname..'"\n'..
+ 'line 0: sourcing "'..fname..'"\n'..
+ 'hello\n'..
+ 'finished sourcing '..fname..'\n'..
+ 'continuing in nvim_exec() called at '..sourcing_fname..':1\n'..
+ 'finished sourcing '..sourcing_fname..'\n'..
+ 'continuing in nvim_exec() called at nvim_exec():0'
+ eq(traceback_output,
+ meths.exec('call nvim_exec("source '..sourcing_fname..'", v:false)', true))
+ os.remove(fname)
+ os.remove(sourcing_fname)
+ end)
+
+ it('returns output', function()
+ eq('this is spinal tap',
+ nvim('exec', 'lua <<EOF\n\n\nprint("this is spinal tap")\n\n\nEOF', true))
+ eq('', nvim('exec', 'echo', true))
+ eq('foo 42', nvim('exec', 'echo "foo" 42', true))
+ end)
+ end)
+
describe('nvim_command', function()
it('works', function()
- local fname = helpers.tmpname()
+ local fname = tmpname()
nvim('command', 'new')
nvim('command', 'edit '..fname)
nvim('command', 'normal itesting\napi')