271 lines
9.9 KiB
C++
271 lines
9.9 KiB
C++
#include "editor/editor.h"
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#include "lsp/lsp.h"
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#include "utils/utils.h"
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void Editor::edit_erase(Coord pos, int64_t len) {
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if (len == 0)
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return;
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if (len < 0) {
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uint32_t cursor_original =
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line_to_byte(this->root, this->cursor.row, nullptr) + this->cursor.col;
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uint32_t byte_pos = line_to_byte(this->root, pos.row, nullptr) + pos.col;
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Coord point = this->move_left(pos, -len);
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json lsp_range;
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bool do_lsp = (this->lsp != nullptr);
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if (do_lsp) {
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LineIterator *it = begin_l_iter(this->root, point.row);
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uint32_t len;
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char *line = next_line(it, &len);
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int utf16_start = 0;
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if (line)
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utf16_start = utf8_offset_to_utf16(line, len, point.col);
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free(it->buffer);
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free(it);
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it = begin_l_iter(this->root, pos.row);
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line = next_line(it, &len);
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int utf16_end = 0;
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if (line)
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utf16_end = utf8_offset_to_utf16(line, len, pos.col);
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free(it->buffer);
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free(it);
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lsp_range = {{"start", {{"line", point.row}, {"character", utf16_start}}},
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{"end", {{"line", pos.row}, {"character", utf16_end}}}};
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}
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uint32_t start = line_to_byte(this->root, point.row, nullptr) + point.col;
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if (cursor_original > start && cursor_original <= byte_pos) {
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this->cursor = point;
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this->cursor_preffered = UINT32_MAX;
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} else if (cursor_original > byte_pos) {
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uint32_t cursor_new = cursor_original - (byte_pos - start);
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uint32_t new_col;
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uint32_t new_row = byte_to_line(this->root, cursor_new, &new_col);
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this->cursor = {new_row, new_col};
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this->cursor_preffered = UINT32_MAX;
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}
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uint32_t start_row = point.row;
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uint32_t end_row = pos.row;
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this->apply_hook_deletion(start_row + 1, end_row);
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this->root = erase(this->root, start, byte_pos - start);
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if (this->parser)
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this->parser->edit(start_row, end_row - start_row, 0);
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if (do_lsp) {
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auto lsp = this->lsp.load();
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if (lsp->incremental_sync) {
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auto message = std::make_unique<LSPMessage>();
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message->message = {
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{"method", "textDocument/didChange"},
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{"params",
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{{"textDocument",
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{{"uri", this->uri}, {"version", ++this->lsp_version}}},
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{"contentChanges",
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json::array({{{"range", lsp_range}, {"text", ""}}})}}}};
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lsp->send(std::move(message));
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} else {
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char *buf = read(this->root, 0, this->root->char_count);
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std::string text(buf);
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free(buf);
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auto message = std::make_unique<LSPMessage>();
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message->message = {
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{"method", "textDocument/didChange"},
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{"params",
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{{"textDocument",
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{{"uri", this->uri}, {"version", ++this->lsp_version}}},
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{"contentChanges", json::array({{{"text", text}}})}}}};
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lsp->send(std::move(message));
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}
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}
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} else {
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uint32_t cursor_original =
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line_to_byte(this->root, this->cursor.row, nullptr) + this->cursor.col;
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uint32_t byte_pos = line_to_byte(this->root, pos.row, nullptr) + pos.col;
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Coord point = this->move_right(pos, len);
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json lsp_range;
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bool do_lsp = (this->lsp != nullptr);
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if (do_lsp) {
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LineIterator *it = begin_l_iter(this->root, pos.row);
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uint32_t line_len;
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char *line = next_line(it, &line_len);
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int utf16_start = 0;
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if (line)
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utf16_start = utf8_offset_to_utf16(line, line_len, pos.col);
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free(it->buffer);
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free(it);
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it = begin_l_iter(this->root, point.row);
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line = next_line(it, &line_len);
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int utf16_end = 0;
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if (line)
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utf16_end = utf8_offset_to_utf16(line, line_len, point.col);
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free(it->buffer);
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free(it);
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lsp_range = {{"start", {{"line", pos.row}, {"character", utf16_start}}},
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{"end", {{"line", point.row}, {"character", utf16_end}}}};
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}
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uint32_t end = line_to_byte(this->root, point.row, nullptr) + point.col;
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if (cursor_original > byte_pos && cursor_original <= end) {
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this->cursor = pos;
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this->cursor_preffered = UINT32_MAX;
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} else if (cursor_original > end) {
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uint32_t cursor_new = cursor_original - (end - byte_pos);
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uint32_t new_col;
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uint32_t new_row = byte_to_line(this->root, cursor_new, &new_col);
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this->cursor = {new_row, new_col};
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this->cursor_preffered = UINT32_MAX;
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}
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uint32_t start_row = pos.row;
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uint32_t end_row = point.row;
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this->apply_hook_deletion(start_row + 1, end_row);
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this->root = erase(this->root, byte_pos, end - byte_pos);
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if (this->parser)
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this->parser->edit(start_row, end_row - start_row, 0);
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if (do_lsp) {
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auto lsp = this->lsp.load();
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if (lsp->incremental_sync) {
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auto message = std::make_unique<LSPMessage>();
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message->message = {
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{"method", "textDocument/didChange"},
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{"params",
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{{"textDocument",
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{{"uri", this->uri}, {"version", ++this->lsp_version}}},
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{"contentChanges",
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json::array({{{"range", lsp_range}, {"text", ""}}})}}}};
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lsp->send(std::move(message));
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} else {
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char *buf = read(this->root, 0, this->root->char_count);
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std::string text(buf);
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free(buf);
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auto message = std::make_unique<LSPMessage>();
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message->message = {
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{"method", "textDocument/didChange"},
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{"params",
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{{"textDocument",
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{{"uri", this->uri}, {"version", ++this->lsp_version}}},
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{"contentChanges", json::array({{{"text", text}}})}}}};
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lsp->send(std::move(message));
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}
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}
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}
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}
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void Editor::edit_insert(Coord pos, char *data, uint32_t len) {
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uint32_t cursor_original =
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line_to_byte(this->root, this->cursor.row, nullptr) + this->cursor.col;
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uint32_t byte_pos = line_to_byte(this->root, pos.row, nullptr) + pos.col;
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if (cursor_original > byte_pos) {
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uint32_t cursor_new = cursor_original + len;
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uint32_t new_col;
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uint32_t new_row = byte_to_line(this->root, cursor_new, &new_col);
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this->cursor = {new_row, new_col};
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}
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LineIterator *it = begin_l_iter(this->root, pos.row);
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uint32_t line_len;
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char *line = next_line(it, &line_len);
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int utf16_col = 0;
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if (line)
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utf16_col = utf8_offset_to_utf16(line, line_len, pos.col);
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free(it->buffer);
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free(it);
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this->root = insert(this->root, byte_pos, data, len);
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uint32_t rows = 0;
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for (uint32_t i = 0; i < len; i++)
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if (data[i] == '\n')
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rows++;
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this->apply_hook_insertion(pos.row, rows);
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if (this->parser)
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this->parser->edit(pos.row, 0, rows);
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auto lsp = this->lsp.load();
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if (lsp) {
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if (lsp->incremental_sync) {
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auto message = std::make_unique<LSPMessage>();
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message->message = {
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{"method", "textDocument/didChange"},
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{"params",
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{{"textDocument",
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{{"uri", this->uri}, {"version", ++this->lsp_version}}},
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{"contentChanges",
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json::array(
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{{{"range",
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{{"start", {{"line", pos.row}, {"character", utf16_col}}},
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{"end", {{"line", pos.row}, {"character", utf16_col}}}}},
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{"text", std::string(data, len)}}})}}}};
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lsp->send(std::move(message));
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} else {
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char *buf = read(this->root, 0, this->root->char_count);
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std::string text(buf);
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free(buf);
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auto message = std::make_unique<LSPMessage>();
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message->message = {
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{"method", "textDocument/didChange"},
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{"params",
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{{"textDocument",
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{{"uri", this->uri}, {"version", ++this->lsp_version}}},
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{"contentChanges", json::array({{{"text", text}}})}}}};
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lsp->send(std::move(message));
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}
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}
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}
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void Editor::edit_replace(Coord start, Coord end, const char *text,
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uint32_t len) {
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uint32_t start_byte =
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line_to_byte(this->root, start.row, nullptr) + start.col;
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uint32_t end_byte = line_to_byte(this->root, end.row, nullptr) + end.col;
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LineIterator *it = begin_l_iter(this->root, start.row);
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uint32_t line_len;
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char *line = next_line(it, &line_len);
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int utf16_start = 0;
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if (line)
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utf16_start = utf8_offset_to_utf16(line, line_len, start.col);
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free(it->buffer);
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free(it);
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it = begin_l_iter(this->root, end.row);
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line = next_line(it, &line_len);
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int utf16_end = 0;
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if (line)
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utf16_end = utf8_offset_to_utf16(line, line_len, end.col);
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free(it->buffer);
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free(it);
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if (start_byte != end_byte)
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this->root = erase(this->root, start_byte, end_byte - start_byte);
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if (len > 0)
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this->root = insert(this->root, start_byte, (char *)text, len);
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uint32_t rows = 0;
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for (uint32_t i = 0; i < len; i++)
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if (text[i] == '\n')
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rows++;
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if (rows > 0)
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rows--;
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if (this->parser)
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this->parser->edit(start.row, end.row - start.row, rows);
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auto lsp = this->lsp.load();
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if (lsp) {
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if (lsp->incremental_sync) {
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auto message = std::make_unique<LSPMessage>();
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message->message = {
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{"method", "textDocument/didChange"},
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{"params",
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{{"textDocument",
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{{"uri", this->uri}, {"version", ++this->lsp_version}}},
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{"contentChanges",
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json::array(
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{{{"range",
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{{"start",
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{{"line", start.row}, {"character", utf16_start}}},
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{"end", {{"line", end.row}, {"character", utf16_end}}}}},
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{"text", std::string(text, len)}}})}}}};
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lsp->send(std::move(message));
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} else {
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char *buf = read(this->root, 0, this->root->char_count);
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std::string full_text(buf);
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free(buf);
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auto message = std::make_unique<LSPMessage>();
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message->message = {
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{"method", "textDocument/didChange"},
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{"params",
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{{"textDocument",
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{{"uri", this->uri}, {"version", ++this->lsp_version}}},
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{"contentChanges", json::array({{{"text", full_text}}})}}}};
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lsp->send(std::move(message));
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}
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}
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}
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