Files
crib/src/editor/editor.cc

135 lines
4.3 KiB
C++

#include "editor/editor.h"
#include "editor/decl.h"
#include "lsp/lsp.h"
#include "utils/utils.h"
#include <shared_mutex>
Editor *new_editor(const char *filename_arg, Coord position, Coord size) {
Editor *editor = new Editor();
if (!editor)
return nullptr;
uint32_t len = 0;
std::string filename = path_abs(filename_arg);
char *str = load_file(filename.c_str(), &len);
if (!str) {
free_editor(editor);
return nullptr;
}
editor->filename = filename;
editor->uri = path_to_file_uri(filename);
editor->position = position;
editor->size = size;
editor->cursor_preffered = UINT32_MAX;
if (len == 0) {
free(str);
str = (char *)malloc(1);
*str = '\n';
len = 1;
}
editor->root = load(str, len, optimal_chunk_size(len));
free(str);
editor->lang = language_for_file(filename.c_str());
if (editor->lang.name != "unknown" && len <= (1024 * 128)) {
editor->ts.parser = ts_parser_new();
editor->ts.language = editor->lang.fn();
ts_parser_set_language(editor->ts.parser, editor->ts.language);
editor->ts.query_file =
get_exe_dir() + "/../grammar/" + editor->lang.name + ".scm";
}
if (len <= (1024 * 28))
request_add_to_lsp(editor->lang, editor);
editor->indents.compute_indent(editor);
return editor;
}
void free_tsset(TSSetMain *set) {
if (set->parser)
ts_parser_delete(set->parser);
if (set->tree)
ts_tree_delete(set->tree);
if (set->query)
ts_query_delete(set->query);
for (auto &inj : set->injections) {
if (inj.second.parser)
ts_parser_delete(inj.second.parser);
if (inj.second.query)
ts_query_delete(inj.second.query);
if (inj.second.tree)
ts_tree_delete(inj.second.tree);
}
}
void free_editor(Editor *editor) {
remove_from_lsp(editor);
free_tsset(&editor->ts);
free_rope(editor->root);
delete editor;
}
void save_file(Editor *editor) {
if (!editor || !editor->root)
return;
std::shared_lock lock(editor->knot_mtx);
int version = editor->lsp_version;
char *str = read(editor->root, 0, editor->root->char_count);
if (!str)
return;
lock.unlock();
std::ofstream out(editor->filename);
out.write(str, editor->root->char_count);
out.close();
free(str);
if (editor->lsp) {
json save_msg = {{"jsonrpc", "2.0"},
{"method", "textDocument/didSave"},
{"params", {{"textDocument", {{"uri", editor->uri}}}}}};
lsp_send(editor->lsp, save_msg, nullptr);
if (editor->lsp->allow_formatting) {
json msg = {{"jsonrpc", "2.0"},
{"method", "textDocument/formatting"},
{"params",
{{"textDocument", {{"uri", editor->uri}}},
{"options",
{{"tabSize", 2},
{"insertSpaces", true},
{"trimTrailingWhitespace", true},
{"trimFinalNewlines", true}}}}}};
LSPPending *pending = new LSPPending();
pending->editor = editor;
pending->method = "textDocument/formatting";
pending->callback = [save_msg, version](Editor *editor, std::string,
json message) {
if (version != editor->lsp_version)
return;
auto &edits = message["result"];
if (edits.is_array()) {
std::vector<TextEdit> t_edits;
t_edits.reserve(edits.size());
for (auto &edit : edits) {
TextEdit t_edit;
t_edit.text = edit.value("newText", "");
t_edit.start.row = edit["range"]["start"]["line"];
t_edit.start.col = edit["range"]["start"]["character"];
t_edit.end.row = edit["range"]["end"]["line"];
t_edit.end.col = edit["range"]["end"]["character"];
utf8_normalize_edit(editor, &t_edit);
t_edits.push_back(t_edit);
}
apply_lsp_edits(editor, t_edits, false);
ensure_scroll(editor);
std::shared_lock lock(editor->knot_mtx);
char *str = read(editor->root, 0, editor->root->char_count);
if (!str)
return;
lock.unlock();
std::ofstream out(editor->filename);
out.write(str, editor->root->char_count);
free(str);
lsp_send(editor->lsp, save_msg, nullptr);
}
};
lsp_send(editor->lsp, msg, pending);
}
}
}