API: rename nvim_source => nvim_exec

- Eliminate nvim_source_output(): add boolean `output` param to
  nvim_exec() instead.

src/nvim/api/vim.c

@@ -73,28 +73,29 @@ void api_vim_free_all_mem(void)
   map_free(String, handle_T)(namespace_ids);
 }
 
-/// Executes a multiline block of ex-commands from a string.
+/// 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.
 ///
-/// @param src      String containing the ex-commands
+/// @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
-void nvim_source(String src, Error *err) FUNC_API_SINCE(7)
+String nvim_exec(String src, Boolean output, Error *err)
+  FUNC_API_SINCE(7)
 {
-  try_start();
+  if (!output) {
-  do_source_str(src.data, "nvim_source(..)");
+    try_start();
-  try_end(err);
+    do_source_str(src.data, "nvim_exec()");
-}
+    try_end(err);
+    return (String)STRING_INIT;
+  }
 
-/// Executes a multiline block of ex-commands from a string and returns its
-/// (non-error) output. Shell |:!| output is not captured.
-///
-/// On execution error: fails with VimL error, does not update v:errmsg.
-///
-/// @param src      String containing the ex-commands
-/// @param[out] err Error details (Vim error), if any
-String nvim_source_output(String src, 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;
@@ -103,7 +104,7 @@ String nvim_source_output(String src, Error *err) FUNC_API_SINCE(7)
   try_start();
   msg_silent++;
   capture_ga = &capture_local;
-  do_source_str(src.data, "nvim_source_output(..)");
+  do_source_str(src.data, "nvim_exec()");
   capture_ga = save_capture_ga;
   msg_silent = save_msg_silent;
   try_end(err);
@@ -134,6 +135,8 @@ theend:
 ///
 /// 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)
@@ -436,7 +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.

src/nvim/ex_cmds2.c

@@ -3047,6 +3047,9 @@ static char_u *get_str_line(int c, void *cookie, int indent, bool do_concat)
   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;
@@ -3055,7 +3058,7 @@ int do_source_str(const char *cmd, const char *traceback_name)
   if (save_sourcing_name == NULL) {
     sourcing_name = (char_u *)traceback_name;
   } else {
-    snprintf((char *)sourcing_name_buf, sizeof sourcing_name_buf,
+    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;
@@ -3070,24 +3073,20 @@ int do_source_str(const char *cmd, const char *traceback_name)
   current_sctx.sc_sid = SID_STR;
   current_sctx.sc_seq = 0;
   current_sctx.sc_lnum = save_sourcing_lnum;
-  int retval = FAIL;
+  int retval = do_cmdline(NULL, get_str_line, (void *)&cookie,
-  do_cmdline(NULL, get_str_line, (void *)&cookie,
+                          DOCMD_VERBOSE | DOCMD_NOWAIT | DOCMD_REPEAT);
-             DOCMD_VERBOSE | DOCMD_NOWAIT | DOCMD_REPEAT);
-  retval = OK;
-  if (got_int) {
-    EMSG(_(e_interr));
-  }
-
   current_sctx = save_current_sctx;
   sourcing_lnum = save_sourcing_lnum;
   sourcing_name = save_sourcing_name;
   return retval;
 }
 
-/// Read the file "fname" and execute its lines as EX commands.
+/// 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

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
-   * KeyTyped is only set when calling vgetc().  Reset it here when not
+  // calling vgetc() (sourced command lines).
-   * 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:

test/functional/api/vim_spec.lua

@@ -16,6 +16,7 @@ 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
@@ -75,131 +76,127 @@ describe('API', function()
     eq({mode='i', blocking=false}, nvim("get_mode"))
   end)
 
-  describe('nvim_source', function()
+  describe('nvim_exec', function()
     it('one-line input', function()
-      nvim('source', "let x1 = 'a'")
+      nvim('exec', "let x1 = 'a'", false)
       eq('a', nvim('get_var', 'x1'))
     end)
 
     it(':verbose set {option}?', function()
-      nvim('source', 'set nowrap')
+      nvim('exec', 'set nowrap', false)
       eq('nowrap\n\tLast set from :source (no file)',
-        nvim('source_output', 'verbose set wrap?'))
+        nvim('exec', 'verbose set wrap?', true))
     end)
 
     it('multiline input', function()
       -- Heredoc + empty lines.
-      nvim('source', "let x2 = 'a'\n")
+      nvim('exec', "let x2 = 'a'\n", false)
       eq('a', nvim('get_var', 'x2'))
-      nvim('source','lua <<EOF\n\n\n\ny=3\n\n\nEOF')
+      nvim('exec','lua <<EOF\n\n\n\ny=3\n\n\nEOF', false)
       eq(3, nvim('eval', "luaeval('y')"))
 
-      nvim('source', 'lua <<EOF\ny=3\nEOF')
+      eq('', nvim('exec', 'lua <<EOF\ny=3\nEOF', false))
       eq(3, nvim('eval', "luaeval('y')"))
 
       -- Multiple statements
-      nvim('source', 'let x1=1\nlet x2=2\nlet x3=3\n')
+      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('source', 'function Foo()\ncall setline(1,["xxx"])\nendfunction')
+      nvim('exec', 'function Foo()\ncall setline(1,["xxx"])\nendfunction', false)
       eq(nvim('get_current_line'), '')
-      nvim('source', 'call Foo()')
+      nvim('exec', 'call Foo()', false)
       eq(nvim('get_current_line'), 'xxx')
 
       -- Autocmds
-      nvim('source','autocmd BufAdd * :let x1 = "Hello"')
+      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('source', [=[
+      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('source', [[
+      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_source', '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_source', 'buffer 23487'))
+        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 = helpers.tmpname()
+      local fname = tmpname()
       write_file(fname, 'let x1 = "set from :source file"\n')
-      -- nvim_source
+      -- nvim_exec
       --   :source
-      --     nvim_source
+      --     nvim_exec
-      request('nvim_source', [[
+      request('nvim_exec', [[
         let x2 = substitute('foo','o','X','g')
         let x4 = 'should be overwritten'
-        call nvim_source("source ]]..fname..[[\nlet x3 = substitute('foo','foo','set by recursive nvim_source','g')\nlet x5='overwritten'\nlet x4=x5\n")
+        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_source', request('nvim_get_var', 'x3'))
+      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 = helpers.tmpname()
+      local fname = tmpname()
       write_file(fname, 'echo "hello"\n')
-      local sourcing_fname = helpers.tmpname()
+      local sourcing_fname = tmpname()
-      write_file(sourcing_fname, 'call nvim_source("source '..fname..'")\n')
+      write_file(sourcing_fname, 'call nvim_exec("source '..fname..'", v:false)\n')
-      meths.source('set verbose=2')
+      meths.exec('set verbose=2', false)
-      print()
       local traceback_output = 'line 0: sourcing "'..sourcing_fname..'"\n'..
         'line 0: sourcing "'..fname..'"\n'..
         'hello\n'..
         'finished sourcing '..fname..'\n'..
-        'continuing in nvim_source(..) called at '..sourcing_fname..':1\n'..
+        'continuing in nvim_exec() called at '..sourcing_fname..':1\n'..
         'finished sourcing '..sourcing_fname..'\n'..
-        'continuing in nvim_source(..) called at nvim_source_output(..):0'
+        'continuing in nvim_exec() called at nvim_exec():0'
-      eq(traceback_output, meths.source_output('call nvim_source("source '..sourcing_fname..'")'))
+      eq(traceback_output,
+        meths.exec('call nvim_exec("source '..sourcing_fname..'", v:false)', true))
       os.remove(fname)
       os.remove(sourcing_fname)
     end)
-  end)
 
-  describe('nvim_source_output', function()
+    it('returns output', function()
-    it('multiline input', function()
       eq('this is spinal tap',
-         nvim('source_output', 'lua <<EOF\n\n\nprint("this is spinal tap")\n\n\nEOF'))
+         nvim('exec', 'lua <<EOF\n\n\nprint("this is spinal tap")\n\n\nEOF', true))
-    end)
+      eq('', nvim('exec', 'echo', true))
-
+      eq('foo 42', nvim('exec', 'echo "foo" 42', true))
-    it('empty output', function()
-      eq('', nvim('source_output', 'echo'))
     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')