aboutsummaryrefslogtreecommitdiff
path: root/src/api/helpers.h
blob: d98ed3b22b9d3f13e903a88cf1dd4fbc0593aee4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
#ifndef NEOVIM_API_HELPERS_H
#define NEOVIM_API_HELPERS_H

#include <stdbool.h>

#include "api/defs.h"
#include "../vim.h"

#define set_api_error(message, err)                \
  do {                                             \
    strncpy(err->msg, message, sizeof(err->msg));  \
    err->set = true;                               \
  } while (0)

/// Start block that may cause vimscript exceptions
void try_start(void);

/// End try block, set the error message if any and return true if an error
/// occurred.
///
/// @param err Pointer to the stack-allocated error object
/// @return true if an error occurred
bool try_end(Error *err);

/// Recursively expands a vimscript value in a dict
///
/// @param dict The vimscript dict
/// @param key The key
/// @param bool If true it will pop the value from the dict
/// @param[out] err Details of an error that may have occurred
Object dict_get_value(dict_T *dict, String key, bool pop, Error *err);

/// Set a value in a dict. Objects are recursively expanded into their
/// vimscript equivalents.
///
/// @param dict The vimscript dict
/// @param key The key
/// @param value The new value
/// @param[out] err Details of an error that may have occurred
/// @return the old value, if any
Object dict_set_value(dict_T *dict, String key, Object value, Error *err);

/// Gets the value of a global or local(buffer, window) option.
///
/// @param from If `type` is `SREQ_WIN` or `SREQ_BUF`, this must be a pointer
///        to the window or buffer.
/// @param type One of `SREQ_GLOBAL`, `SREQ_WIN` or `SREQ_BUF`
/// @param name The option name
/// @param[out] err Details of an error that may have occurred
/// @return the option value
Object get_option_from(void *from, int type, String name, Error *err);

/// Sets the value of a global or local(buffer, window) option.
///
/// @param to If `type` is `SREQ_WIN` or `SREQ_BUF`, this must be a pointer
///        to the window or buffer.
/// @param type One of `SREQ_GLOBAL`, `SREQ_WIN` or `SREQ_BUF`
/// @param name The option name
/// @param[out] err Details of an error that may have occurred
void set_option_to(void *to, int type, String name, Object value, Error *err);

/// Convert a vim object to an `Object` instance, recursively expanding
/// Arrays/Dictionaries.
///
/// @param obj The source object
/// @return The converted value
Object vim_to_object(typval_T *obj);

#endif /* NEOVIM_API_HELPERS_H */