11 files changed, 0 insertions, 2213 deletions
diff --git a/src/api/buffer.c b/src/api/buffer.c
deleted file mode 100644
index 328b26061d..0000000000
--- a/src/api/buffer.c
+++ /dev/null
@@ -1,413 +0,0 @@
-// Much of this code was adapted from 'if_py_both.h' from the original
-// vim source
-#include <stdint.h>
-#include <stdlib.h>
-
-#include "api/buffer.h"
-#include "api/helpers.h"
-#include "api/defs.h"
-#include "../vim.h"
-#include "../buffer.h"
-#include "memline.h"
-#include "memory.h"
-#include "misc1.h"
-#include "misc2.h"
-#include "ex_cmds.h"
-#include "mark.h"
-#include "fileio.h"
-#include "move.h"
-#include "../window.h"
-#include "undo.h"
-
-// Find a window that contains "buf" and switch to it.
-// If there is no such window, use the current window and change "curbuf".
-// Caller must initialize save_curbuf to NULL.
-// restore_win_for_buf() MUST be called later!
-static void switch_to_win_for_buf(buf_T *buf,
-                                  win_T **save_curwinp,
-                                  tabpage_T **save_curtabp,
-                                  buf_T **save_curbufp);
-
-static void restore_win_for_buf(win_T *save_curwin,
-                                tabpage_T *save_curtab,
-                                buf_T *save_curbuf);
-
-// Check if deleting lines made the cursor position invalid.
-// Changed the lines from "lo" to "hi" and added "extra" lines (negative if
-// deleted).
-static void fix_cursor(linenr_T lo, linenr_T hi, linenr_T extra);
-
-// Normalizes 0-based indexes to buffer line numbers
-static int64_t normalize_index(buf_T *buf, int64_t index);
-
-int64_t buffer_get_length(Buffer buffer, Error *err)
-{
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf) {
-    return 0;
-  }
-
-  return buf->b_ml.ml_line_count;
-}
-
-String buffer_get_line(Buffer buffer, int64_t index, Error *err)
-{
-  String rv = {.size = 0};
-  StringArray slice = buffer_get_slice(buffer, index, index, true, true, err);
-
-  if (slice.size) {
-    rv = slice.items[0];
-  }
-
-  return rv;
-}
-
-void buffer_set_line(Buffer buffer, int64_t index, String line, Error *err)
-{
-  StringArray array = {.items = &line, .size = 1};
-  buffer_set_slice(buffer, index, index, true, true, array, err);
-}
-
-void buffer_del_line(Buffer buffer, int64_t index, Error *err)
-{
-  StringArray array = {.size = 0};
-  buffer_set_slice(buffer, index, index, true, true, array, err);
-}
-
-StringArray buffer_get_slice(Buffer buffer,
-                             int64_t start,
-                             int64_t end,
-                             bool include_start,
-                             bool include_end,
-                             Error *err)
-{
-  StringArray rv = {.size = 0};
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf) {
-    return rv;
-  }
-
-  start = normalize_index(buf, start) + (include_start ? 0 : 1);
-  end = normalize_index(buf, end) + (include_end ? 1 : 0);
-
-  if (start >= end) {
-    // Return 0-length array
-    return rv;
-  }
-
-  rv.size = end - start;
-  rv.items = xmalloc(sizeof(String) * rv.size);
-
-  for (uint32_t i = 0; i < rv.size; i++) {
-    rv.items[i].data = xstrdup((char *)ml_get_buf(buf, start + i, false));
-    rv.items[i].size = strlen(rv.items[i].data);
-  }
-
-  return rv;
-}
-
-void buffer_set_slice(Buffer buffer,
-                      int64_t start,
-                      int64_t end,
-                      bool include_start,
-                      bool include_end,
-                      StringArray replacement,
-                      Error *err)
-{
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf) {
-    return;
-  }
-
-  start = normalize_index(buf, start) + (include_start ? 0 : 1);
-  end = normalize_index(buf, end) + (include_end ? 1 : 0);
-
-  if (start > end) {
-    set_api_error("start > end", err);
-    return;
-  }
-
-  buf_T *save_curbuf = NULL;
-  win_T *save_curwin = NULL;
-  tabpage_T *save_curtab = NULL;
-  uint32_t new_len = replacement.size;
-  uint32_t old_len = end - start;
-  uint32_t i;
-  int32_t extra = 0;  // lines added to text, can be negative
-  char **lines;
-
-  if (new_len == 0) {
-    // avoid allocating zero bytes
-    lines = NULL;
-  } else {
-    lines = xcalloc(sizeof(char *), new_len);
-  }
-
-  for (i = 0; i < new_len; i++) {
-    String l = replacement.items[i];
-    lines[i] = xstrndup(l.data, l.size);
-  }
-
-  try_start();
-  switch_to_win_for_buf(buf, &save_curwin, &save_curtab, &save_curbuf);
-
-  if (u_save(start - 1, end) == FAIL) {
-    set_api_error("Cannot save undo information", err);
-    goto cleanup;
-  }
-
-  // If the size of the range is reducing (ie, new_len < old_len) we
-  // need to delete some old_len. We do this at the start, by
-  // repeatedly deleting line "start".
-  for (i = 0; new_len < old_len && i < old_len - new_len; i++) {
-    if (ml_delete(start, false) == FAIL) {
-      set_api_error("Cannot delete line", err);
-      goto cleanup;
-    }
-  }
-
-  extra -= i;
-
-  // For as long as possible, replace the existing old_len with the
-  // new old_len. This is a more efficient operation, as it requires
-  // less memory allocation and freeing.
-  for (i = 0; i < old_len && i < new_len; i++) {
-    if (ml_replace(start + i, (char_u *)lines[i], false) == FAIL) {
-      set_api_error("Cannot replace line", err);
-      goto cleanup;
-    }
-    // Mark lines that haven't been passed to the buffer as they need
-    // to be freed later
-    lines[i] = NULL;
-  }
-
-  // Now we may need to insert the remaining new old_len
-  while (i < new_len) {
-    if (ml_append(start + i - 1, (char_u *)lines[i], 0, false) == FAIL) {
-      set_api_error("Cannot insert line", err);
-      goto cleanup;
-    }
-    // Same as with replacing
-    lines[i] = NULL;
-    i++;
-    extra++;
-  }
-
-  // Adjust marks. Invalidate any which lie in the
-  // changed range, and move any in the remainder of the buffer.
-  // Only adjust marks if we managed to switch to a window that holds
-  // the buffer, otherwise line numbers will be invalid.
-  if (save_curbuf == NULL) {
-    mark_adjust(start, end - 1, MAXLNUM, extra);
-  }
-
-  changed_lines(start, 0, end, extra);
-
-  if (buf == curbuf) {
-    fix_cursor(start, end, extra);
-  }
-
-cleanup:
-  for (uint32_t i = 0; i < new_len; i++) {
-    if (lines[i] != NULL) {
-      free(lines[i]);
-    }
-  }
-
-  free(lines);
-  restore_win_for_buf(save_curwin, save_curtab, save_curbuf);
-  try_end(err);
-}
-
-Object buffer_get_var(Buffer buffer, String name, Error *err)
-{
-  Object rv;
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf) {
-    return rv;
-  }
-
-  return dict_get_value(buf->b_vars, name, err);
-}
-
-Object buffer_set_var(Buffer buffer, String name, Object value, Error *err)
-{
-  Object rv;
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf) {
-    return rv;
-  }
-
-  return dict_set_value(buf->b_vars, name, value, err);
-}
-
-Object buffer_get_option(Buffer buffer, String name, Error *err)
-{
-  Object rv;
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf) {
-    return rv;
-  }
-
-  return get_option_from(buf, SREQ_BUF, name, err);
-}
-
-void buffer_set_option(Buffer buffer, String name, Object value, Error *err)
-{
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf) {
-    return;
-  }
-
-  set_option_to(buf, SREQ_BUF, name, value, err);
-}
-
-String buffer_get_name(Buffer buffer, Error *err)
-{
-  String rv = {.size = 0, .data = ""};
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf || buf->b_ffname == NULL) {
-    return rv;
-  }
-
-  rv.data = xstrdup((char *)buf->b_ffname);
-  rv.size = strlen(rv.data);
-  return rv;
-}
-
-void buffer_set_name(Buffer buffer, String name, Error *err)
-{
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf) {
-    return;
-  }
-
-  aco_save_T aco;
-  int ren_ret;
-  char *val = xstrndup(name.data, name.size);
-
-  try_start();
-  // Using aucmd_*: autocommands will be executed by rename_buffer
-  aucmd_prepbuf(&aco, buf);
-  ren_ret = rename_buffer((char_u *)val);
-  aucmd_restbuf(&aco);
-
-  if (try_end(err)) {
-    return;
-  }
-
-  if (ren_ret == FAIL) {
-    set_api_error("failed to rename buffer", err);
-  }
-}
-
-bool buffer_is_valid(Buffer buffer)
-{
-  Error stub = {.set = false};
-  return find_buffer(buffer, &stub) != NULL;
-}
-
-void buffer_insert(Buffer buffer, int64_t index, StringArray lines, Error *err)
-{
-  buffer_set_slice(buffer, index, index, false, true, lines, err);
-}
-
-Position buffer_get_mark(Buffer buffer, String name, Error *err)
-{
-  Position rv;
-  buf_T *buf = find_buffer(buffer, err);
-
-  if (!buf) {
-    return rv;
-  }
-
-  if (name.size != 0) {
-    set_api_error("mark name must be a single character", err);
-    return rv;
-  }
-
-  pos_T *posp;
-  buf_T *savebuf;
-  char mark = *name.data;
-
-  try_start();
-  switch_buffer(&savebuf, buf);
-  posp = getmark(mark, false);
-  restore_buffer(savebuf);
-
-  if (try_end(err)) {
-    return rv;
-  }
-
-  if (posp == NULL) {
-    set_api_error("invalid mark name", err);
-    return rv;
-  }
-
-  rv.row = posp->lnum;
-  rv.col = posp->col;
-  return rv;
-}
-
-static void switch_to_win_for_buf(buf_T *buf,
-                                  win_T **save_curwinp,
-                                  tabpage_T **save_curtabp,
-                                  buf_T **save_curbufp)
-{
-  win_T *wp;
-  tabpage_T *tp;
-
-  if (find_win_for_buf(buf, &wp, &tp) == FAIL
-      || switch_win(save_curwinp, save_curtabp, wp, tp, true) == FAIL)
-    switch_buffer(save_curbufp, buf);
-}
-
-static void restore_win_for_buf(win_T *save_curwin,
-                                tabpage_T *save_curtab,
-                                buf_T *save_curbuf)
-{
-  if (save_curbuf == NULL) {
-    restore_win(save_curwin, save_curtab, true);
-  } else {
-    restore_buffer(save_curbuf);
-  }
-}
-
-static void fix_cursor(linenr_T lo, linenr_T hi, linenr_T extra)
-{
-  if (curwin->w_cursor.lnum >= lo) {
-    // Adjust the cursor position if it's in/after the changed
-    // lines.
-    if (curwin->w_cursor.lnum >= hi) {
-      curwin->w_cursor.lnum += extra;
-      check_cursor_col();
-    } else if (extra < 0) {
-      curwin->w_cursor.lnum = lo;
-      check_cursor();
-    } else {
-      check_cursor_col();
-    }
-    changed_cline_bef_curs();
-  }
-  invalidate_botline();
-}
-
-static int64_t normalize_index(buf_T *buf, int64_t index)
-{
-  // Fix if < 0
-  index = index < 0 ?  buf->b_ml.ml_line_count + index : index;
-  // Convert the index to a vim line number
-  index++;
-  // Fix if > line_count
-  index = index > buf->b_ml.ml_line_count ? buf->b_ml.ml_line_count : index;
-  return index;
-}
diff --git a/src/api/buffer.h b/src/api/buffer.h
deleted file mode 100644
index 04f9422c19..0000000000
--- a/src/api/buffer.h
+++ /dev/null
@@ -1,145 +0,0 @@
-#ifndef NEOVIM_API_BUFFER_H
-#define NEOVIM_API_BUFFER_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-#include "api/defs.h"
-
-/// Gets the buffer line count
-///
-/// @param buffer The buffer handle
-/// @param[out] err Details of an error that may have occurred
-/// @return The line count
-int64_t buffer_get_length(Buffer buffer, Error *err);
-
-/// Gets a buffer line
-///
-/// @param buffer The buffer handle
-/// @param index The line index
-/// @param[out] err Details of an error that may have occurred
-/// @return The line string
-String buffer_get_line(Buffer buffer, int64_t index, Error *err);
-
-/// Sets a buffer line
-///
-/// @param buffer The buffer handle
-/// @param index The line index
-/// @param line The new line.
-/// @param[out] err Details of an error that may have occurred
-void buffer_set_line(Buffer buffer, int64_t index, String line, Error *err);
-
-/// Deletes a buffer line
-///
-/// @param buffer The buffer handle
-/// @param index The line index
-/// @param[out] err Details of an error that may have occurred
-void buffer_del_line(Buffer buffer, int64_t index, Error *err);
-
-/// Retrieves a line range from the buffer
-///
-/// @param buffer The buffer handle
-/// @param start The first line index
-/// @param end The last line index
-/// @param include_start True if the slice includes the `start` parameter
-/// @param include_end True if the slice includes the `end` parameter
-/// @param[out] err Details of an error that may have occurred
-/// @return An array of lines
-StringArray buffer_get_slice(Buffer buffer,
-                             int64_t start,
-                             int64_t end,
-                             bool include_start,
-                             bool include_end,
-                             Error *err);
-
-/// Replaces a line range on the buffer
-///
-/// @param buffer The buffer handle
-/// @param start The first line index
-/// @param end The last line index
-/// @param include_start True if the slice includes the `start` parameter
-/// @param include_end True if the slice includes the `end` parameter
-/// @param lines An array of lines to use as replacement(A 0-length array
-///        will simply delete the line range)
-/// @param[out] err Details of an error that may have occurred
-void buffer_set_slice(Buffer buffer,
-                      int64_t start,
-                      int64_t end,
-                      bool include_start,
-                      bool include_end,
-                      StringArray replacement,
-                      Error *err);
-
-/// Gets a buffer variable
-///
-/// @param buffer The buffer handle
-/// @param name The variable name
-/// @param[out] err Details of an error that may have occurred
-/// @return The variable value
-Object buffer_get_var(Buffer buffer, String name, Error *err);
-
-/// Sets a buffer variable. Passing 'nil' as value deletes the variable.
-///
-/// @param buffer The buffer handle
-/// @param name The variable name
-/// @param value The variable value
-/// @param[out] err Details of an error that may have occurred
-/// @return The old value
-Object buffer_set_var(Buffer buffer, String name, Object value, Error *err);
-
-/// Gets a buffer option value
-///
-/// @param buffer The buffer handle
-/// @param name The option name
-/// @param[out] err Details of an error that may have occurred
-/// @return The option value
-Object buffer_get_option(Buffer buffer, String name, Error *err);
-
-/// Sets a buffer option value. Passing 'nil' as value deletes the option(only
-/// works if there's a global fallback)
-///
-/// @param buffer The buffer handle
-/// @param name The option name
-/// @param value The option value
-/// @param[out] err Details of an error that may have occurred
-void buffer_set_option(Buffer buffer, String name, Object value, Error *err);
-
-/// Gets the full file name for the buffer
-///
-/// @param buffer The buffer handle
-/// @param[out] err Details of an error that may have occurred
-/// @return The buffer name
-String buffer_get_name(Buffer buffer, Error *err);
-
-/// Sets the full file name for a buffer
-///
-/// @param buffer The buffer handle
-/// @param name The buffer name
-/// @param[out] err Details of an error that may have occurred
-void buffer_set_name(Buffer buffer, String name, Error *err);
-
-/// Checks if a buffer is valid
-///
-/// @param buffer The buffer handle
-/// @return true if the buffer is valid, false otherwise
-bool buffer_is_valid(Buffer buffer);
-
-/// Inserts a sequence of lines to a buffer at a certain index
-///
-/// @param buffer The buffer handle
-/// @param lnum Insert the lines before `lnum`. If negative, it will append
-///        to the end of the buffer.
-/// @param lines An array of lines
-/// @param[out] err Details of an error that may have occurred
-void buffer_insert(Buffer buffer, int64_t index, StringArray lines, Error *err);
-
-/// Return a tuple (row,col) representing the position of the named mark
-///
-/// @param buffer The buffer handle
-/// @param name The mark's name
-/// @param[out] err Details of an error that may have occurred
-/// @return The (row, col) tuple
-Position buffer_get_mark(Buffer buffer, String name, Error *err);
-
-#endif  // NEOVIM_API_BUFFER_H
-
diff --git a/src/api/defs.h b/src/api/defs.h
deleted file mode 100644
index 0ac2e790d2..0000000000
--- a/src/api/defs.h
+++ /dev/null
@@ -1,74 +0,0 @@
-#ifndef NEOVIM_API_DEFS_H
-#define NEOVIM_API_DEFS_H
-
-#include <stdint.h>
-#include <string.h>
-
-// Basic types
-typedef struct {
-  char msg[256];
-  bool set;
-} Error;
-
-typedef struct {
-  char *data;
-  size_t size;
-} String;
-
-typedef uint16_t Buffer;
-typedef uint16_t Window;
-typedef uint16_t Tabpage;
-
-typedef struct object Object;
-
-typedef struct {
-  String *items;
-  size_t size;
-} StringArray;
-
-typedef struct {
-  uint16_t row, col;
-} Position;
-
-typedef struct {
-  Object *items;
-  size_t size;
-} Array;
-
-typedef struct key_value_pair KeyValuePair;
-
-typedef struct {
-  KeyValuePair *items;
-  size_t size;
-} Dictionary;
-
-typedef enum {
-  kObjectTypeNil,
-  kObjectTypeBool,
-  kObjectTypeInt,
-  kObjectTypeFloat,
-  kObjectTypeString,
-  kObjectTypeArray,
-  kObjectTypeDictionary
-} ObjectType;
-
-struct object {
-  ObjectType type;
-  union {
-    bool boolean;
-    int64_t integer;
-    double floating_point;
-    String string;
-    Array array;
-    Dictionary dictionary;
-  } data;
-};
-
-struct key_value_pair {
-  String key;
-  Object value;
-};
-
-
-#endif  // NEOVIM_API_DEFS_H
-
diff --git a/src/api/helpers.c b/src/api/helpers.c
deleted file mode 100644
index 51b1dcb754..0000000000
--- a/src/api/helpers.c
+++ /dev/null
@@ -1,578 +0,0 @@
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "api/helpers.h"
-#include "api/defs.h"
-#include "../vim.h"
-#include "../buffer.h"
-#include "../window.h"
-#include "memory.h"
-#include "eval.h"
-#include "option.h"
-#include "option_defs.h"
-
-#include "lib/khash.h"
-
-#if defined(ARCH_64)
-typedef uint64_t ptr_int_t;
-KHASH_SET_INIT_INT64(Lookup)
-#elif defined(ARCH_32)
-typedef uint32_t ptr_int_t;
-KHASH_SET_INIT_INT(Lookup)
-#endif
-
-/// Recursion helper for the `vim_to_object`. This uses a pointer table
-/// to avoid infinite recursion due to cyclic references
-///
-/// @param obj The source object
-/// @param lookup Lookup table containing pointers to all processed objects
-/// @return The converted value
-static Object vim_to_object_rec(typval_T *obj, khash_t(Lookup) *lookup);
-
-static bool object_to_vim(Object obj, typval_T *tv, Error *err);
-
-static void set_option_value_for(char *key,
-                                 int numval,
-                                 char *stringval,
-                                 int opt_flags,
-                                 int opt_type,
-                                 void *from,
-                                 Error *err);
-
-static void set_option_value_err(char *key,
-                                 int numval,
-                                 char *stringval,
-                                 int opt_flags,
-                                 Error *err);
-
-void try_start()
-{
-  ++trylevel;
-}
-
-bool try_end(Error *err)
-{
-  --trylevel;
-
-  // Without this it stops processing all subsequent VimL commands and
-  // generates strange error messages if I e.g. try calling Test() in a
-  // cycle
-  did_emsg = false;
-
-  if (got_int) {
-    if (did_throw) {
-      // If we got an interrupt, discard the current exception
-      discard_current_exception();
-    }
-
-    set_api_error("Keyboard interrupt", err);
-    got_int = false;
-  } else if (msg_list != NULL && *msg_list != NULL) {
-    int should_free;
-    char *msg = (char *)get_exception_string(*msg_list,
-                                             ET_ERROR,
-                                             NULL,
-                                             &should_free);
-    strncpy(err->msg, msg, sizeof(err->msg));
-    err->set = true;
-    free_global_msglist();
-
-    if (should_free) {
-      free(msg);
-    }
-  } else if (did_throw) {
-    set_api_error((char *)current_exception->value, err);
-  }
-
-  return err->set;
-}
-
-Object dict_get_value(dict_T *dict, String key, Error *err)
-{
-  Object rv;
-  hashitem_T *hi;
-  dictitem_T *di;
-  char *k = xstrndup(key.data, key.size);
-  hi = hash_find(&dict->dv_hashtab, (uint8_t *)k);
-  free(k);
-
-  if (HASHITEM_EMPTY(hi)) {
-    set_api_error("Key not found", err);
-    return rv;
-  }
-
-  di = dict_lookup(hi);
-  rv = vim_to_object(&di->di_tv);
-
-  return rv;
-}
-
-Object dict_set_value(dict_T *dict, String key, Object value, Error *err)
-{
-  Object rv = {.type = kObjectTypeNil};
-
-  if (dict->dv_lock) {
-    set_api_error("Dictionary is locked", err);
-    return rv;
-  }
-
-  if (key.size == 0) {
-    set_api_error("Empty dictionary keys aren't allowed", err);
-    return rv;
-  }
-
-  dictitem_T *di = dict_find(dict, (uint8_t *)key.data, key.size);
-
-  if (value.type == kObjectTypeNil) {
-    // Delete the key
-    if (di == NULL) {
-      // Doesn't exist, fail
-      set_api_error("Key doesn't exist", err);
-    } else {
-      // Return the old value
-      rv = vim_to_object(&di->di_tv);
-      // Delete the entry
-      hashitem_T *hi = hash_find(&dict->dv_hashtab, di->di_key);
-      hash_remove(&dict->dv_hashtab, hi);
-      dictitem_free(di);
-    }
-  } else {
-    // Update the key
-    typval_T tv;
-
-    // Convert the object to a vimscript type in the temporary variable
-    if (!object_to_vim(value, &tv, err)) {
-      return rv;
-    }
-
-    if (di == NULL) {
-      // Need to create an entry
-      char *k = xstrndup(key.data, key.size);
-      di = dictitem_alloc((uint8_t *)k);
-      free(k);
-      dict_add(dict, di);
-    } else {
-      // Return the old value
-      clear_tv(&di->di_tv);
-    }
-
-    // Update the value
-    copy_tv(&tv, &di->di_tv);
-    // Clear the temporary variable
-    clear_tv(&tv);
-  }
-
-  return rv;
-}
-
-Object get_option_from(void *from, int type, String name, Error *err)
-{
-  Object rv = {.type = kObjectTypeNil};
-
-  if (name.size == 0) {
-    set_api_error("Empty option name", err);
-    return rv;
-  }
-
-  // Return values
-  int64_t numval;
-  char *stringval = NULL;
-  // copy the option name into 0-delimited string
-  char *key = xstrndup(name.data, name.size);
-  int flags = get_option_value_strict(key, &numval, &stringval, type, from);
-  free(key);
-
-  if (!flags) {
-    set_api_error("invalid option name", err);
-    return rv;
-  }
-
-  if (flags & SOPT_BOOL) {
-    rv.type = kObjectTypeBool;
-    rv.data.boolean = numval ? true : false;
-  } else if (flags & SOPT_NUM) {
-    rv.type = kObjectTypeInt;
-    rv.data.integer = numval;
-  } else if (flags & SOPT_STRING) {
-    if (stringval) {
-      rv.type = kObjectTypeString;
-      rv.data.string.data = stringval;
-      rv.data.string.size = strlen(stringval);
-    } else {
-      set_api_error(N_("Unable to get option value"), err);
-    }
-  } else {
-    set_api_error(N_("internal error: unknown option type"), err);
-  }
-
-  return rv;
-}
-
-void set_option_to(void *to, int type, String name, Object value, Error *err)
-{
-  if (name.size == 0) {
-    set_api_error("Empty option name", err);
-    return;
-  }
-
-  char *key = xstrndup(name.data, name.size);
-  int flags = get_option_value_strict(key, NULL, NULL, type, to);
-
-  if (flags == 0) {
-    set_api_error("invalid option name", err);
-    goto cleanup;
-  }
-
-  if (value.type == kObjectTypeNil) {
-    if (type == SREQ_GLOBAL) {
-      set_api_error("unable to unset option", err);
-      goto cleanup;
-    } else if (!(flags & SOPT_GLOBAL)) {
-      set_api_error("cannot unset option that doesn't have a global value",
-                     err);
-      goto cleanup;
-    } else {
-      unset_global_local_option(key, to);
-      goto cleanup;
-    }
-  }
-
-  int opt_flags = (type ? OPT_LOCAL : OPT_GLOBAL);
-
-  if (flags & SOPT_BOOL) {
-    if (value.type != kObjectTypeBool) {
-      set_api_error("option requires a boolean value", err);
-      goto cleanup;
-    }
-    bool val = value.data.boolean;
-    set_option_value_for(key, val, NULL, opt_flags, type, to, err);
-
-  } else if (flags & SOPT_NUM) {
-    if (value.type != kObjectTypeInt) {
-      set_api_error("option requires an integer value", err);
-      goto cleanup;
-    }
-
-    int val = value.data.integer;
-    set_option_value_for(key, val, NULL, opt_flags, type, to, err);
-  } else {
-    if (value.type != kObjectTypeString) {
-      set_api_error("option requires a string value", err);
-      goto cleanup;
-    }
-
-    char *val = xstrndup(value.data.string.data, value.data.string.size);
-    set_option_value_for(key, 0, val, opt_flags, type, to, err);
-  }
-
-cleanup:
-  free(key);
-}
-
-Object vim_to_object(typval_T *obj)
-{
-  Object rv;
-  // We use a lookup table to break out of cyclic references
-  khash_t(Lookup) *lookup = kh_init(Lookup);
-  rv = vim_to_object_rec(obj, lookup);
-  // Free the table
-  kh_destroy(Lookup, lookup);
-  return rv;
-}
-
-buf_T *find_buffer(Buffer buffer, Error *err)
-{
-  buf_T *buf = buflist_findnr(buffer);
-
-  if (buf == NULL) {
-    set_api_error("Invalid buffer id", err);
-  }
-
-  return buf;
-}
-
-win_T * find_window(Window window, Error *err)
-{
-  tabpage_T *tp;
-  win_T *wp;
-
-  FOR_ALL_TAB_WINDOWS(tp, wp) {
-    if (!--window) {
-      return wp;
-    }
-  }
-
-  set_api_error("Invalid window id", err);
-  return NULL;
-}
-
-tabpage_T * find_tab(Tabpage tabpage, Error *err)
-{
-  tabpage_T *rv = find_tabpage(tabpage);
-
-  if (!rv) {
-    set_api_error("Invalid tabpage id", err);
-  }
-
-  return rv;
-}
-
-static bool object_to_vim(Object obj, typval_T *tv, Error *err)
-{
-  tv->v_type = VAR_UNKNOWN;
-  tv->v_lock = 0;
-
-  switch (obj.type) {
-    case kObjectTypeNil:
-      tv->v_type = VAR_NUMBER;
-      tv->vval.v_number = 0;
-      break;
-
-    case kObjectTypeBool:
-      tv->v_type = VAR_NUMBER;
-      tv->vval.v_number = obj.data.boolean;
-      break;
-
-    case kObjectTypeInt:
-      tv->v_type = VAR_NUMBER;
-      tv->vval.v_number = obj.data.integer;
-      break;
-
-    case kObjectTypeFloat:
-      tv->v_type = VAR_FLOAT;
-      tv->vval.v_float = obj.data.floating_point;
-      break;
-
-    case kObjectTypeString:
-      tv->v_type = VAR_STRING;
-      tv->vval.v_string = (uint8_t *)xstrndup(obj.data.string.data,
-                                              obj.data.string.size);
-      break;
-
-    case kObjectTypeArray:
-      tv->v_type = VAR_LIST;
-      tv->vval.v_list = list_alloc();
-
-      for (uint32_t i = 0; i < obj.data.array.size; i++) {
-        Object item = obj.data.array.items[i];
-        listitem_T *li = listitem_alloc();
-
-        if (!object_to_vim(item, &li->li_tv, err)) {
-          // cleanup
-          listitem_free(li);
-          list_free(tv->vval.v_list, true);
-          return false;
-        }
-
-        list_append(tv->vval.v_list, li);
-      }
-      tv->vval.v_list->lv_refcount++;
-      break;
-
-    case kObjectTypeDictionary:
-      tv->v_type = VAR_DICT;
-      tv->vval.v_dict = dict_alloc();
-
-      for (uint32_t i = 0; i < obj.data.dictionary.size; i++) {
-        KeyValuePair item = obj.data.dictionary.items[i];
-        String key = item.key;
-
-        if (key.size == 0) {
-          set_api_error("Empty dictionary keys aren't allowed", err);
-          // cleanup
-          dict_free(tv->vval.v_dict, true);
-          return false;
-        }
-
-        char *k = xstrndup(key.data, key.size);
-        dictitem_T *di = dictitem_alloc((uint8_t *)k);
-        free(k);
-
-        if (!object_to_vim(item.value, &di->di_tv, err)) {
-          // cleanup
-          dictitem_free(di);
-          dict_free(tv->vval.v_dict, true);
-          return false;
-        }
-
-        dict_add(tv->vval.v_dict, di);
-      }
-      tv->vval.v_dict->dv_refcount++;
-      break;
-  }
-
-  return true;
-}
-
-static Object vim_to_object_rec(typval_T *obj, khash_t(Lookup) *lookup)
-{
-  Object rv = {.type = kObjectTypeNil};
-
-  if (obj->v_type == VAR_LIST || obj->v_type == VAR_DICT) {
-    int ret;
-    // Container object, add it to the lookup table
-    kh_put(Lookup, lookup, (ptr_int_t)obj, &ret);
-    if (!ret) {
-      // It's already present, meaning we alredy processed it so just return
-      // nil instead.
-      return rv;
-    }
-  }
-
-  switch (obj->v_type) {
-    case VAR_STRING:
-      if (obj->vval.v_string != NULL) {
-        rv.type = kObjectTypeString;
-        rv.data.string.data = xstrdup((char *)obj->vval.v_string);
-        rv.data.string.size = strlen(rv.data.string.data);
-      }
-      break;
-
-    case VAR_NUMBER:
-      rv.type = kObjectTypeInt;
-      rv.data.integer = obj->vval.v_number;
-      break;
-
-    case VAR_FLOAT:
-      rv.type = kObjectTypeFloat;
-      rv.data.floating_point = obj->vval.v_float;
-      break;
-
-    case VAR_LIST:
-      {
-        list_T *list = obj->vval.v_list;
-        listitem_T *item;
-
-        if (list != NULL) {
-          rv.type = kObjectTypeArray;
-          rv.data.array.size = list->lv_len;
-          rv.data.array.items = xmalloc(list->lv_len * sizeof(Object));
-
-          uint32_t i = 0;
-          for (item = list->lv_first; item != NULL; item = item->li_next) {
-            rv.data.array.items[i] = vim_to_object_rec(&item->li_tv, lookup);
-            i++;
-          }
-        }
-      }
-      break;
-
-    case VAR_DICT:
-      {
-        dict_T *dict = obj->vval.v_dict;
-        hashtab_T *ht;
-        uint64_t todo;
-        hashitem_T *hi;
-        dictitem_T *di;
-
-        if (dict != NULL) {
-          ht = &obj->vval.v_dict->dv_hashtab;
-          todo = ht->ht_used;
-          rv.type = kObjectTypeDictionary;
-
-          // Count items
-          rv.data.dictionary.size = 0;
-          for (hi = ht->ht_array; todo > 0; ++hi) {
-            if (!HASHITEM_EMPTY(hi)) {
-              todo--;
-              rv.data.dictionary.size++;
-            }
-          }
-
-          rv.data.dictionary.items =
-            xmalloc(rv.data.dictionary.size * sizeof(KeyValuePair));
-          todo