diff options
Diffstat (limited to 'buffer.c')
| -rw-r--r-- | buffer.c | 47 |
1 files changed, 41 insertions, 6 deletions
@@ -67,6 +67,10 @@ bool buffer_is_untitled(TextBuffer *buffer) { return false; } +bool buffer_is_named_file(TextBuffer *buffer) { + return buffer->filename && !buffer_is_untitled(buffer); +} + // add this edit to the undo history static void buffer_append_edit(TextBuffer *buffer, BufferEdit const *edit) { // whenever an edit is made, clear the redo history @@ -245,6 +249,8 @@ static inline Font *buffer_font(TextBuffer *buffer) { // what programming language is this? Language buffer_language(TextBuffer *buffer) { + // @TODO: cache this? + // (we're calling buffer_lsp on every edit and that calls this) if (buffer->manual_language >= 1 && buffer->manual_language <= LANG_COUNT) return (Language)(buffer->manual_language - 1); Settings const *settings = buffer->ted->default_settings; // important we don't use buffer_settings here since that would cause a loop! @@ -280,6 +286,11 @@ Language buffer_language(TextBuffer *buffer) { return match; } +LSP *buffer_lsp(TextBuffer *buffer) { + return ted_get_lsp(buffer->ted, buffer_language(buffer)); +} + + // score is higher if context is closer match. static long context_score(const char *path, Language lang, const SettingsContext *context) { long score = 0; @@ -545,6 +556,10 @@ void buffer_check_valid(TextBuffer *buffer) { } } #else +static void buffer_pos_check_valid(TextBuffer *buffer, BufferPos p) { + (void)buffer; (void)p; +} + void buffer_check_valid(TextBuffer *buffer) { (void)buffer; } @@ -1370,10 +1385,34 @@ static Status buffer_insert_lines(TextBuffer *buffer, u32 where, u32 number) { return false; } +// LSP uses UTF-16 indices because Microsoft fucking loves UTF-16 and won't let it die +static LSPPosition buffer_pos_to_lsp(TextBuffer *buffer, BufferPos pos) { + LSPPosition lsp_pos = { + .line = pos.line + }; + buffer_pos_validate(buffer, &pos); + const Line *line = &buffer->lines[pos.line]; + const char32_t *str = line->str; + for (uint32_t i = 0; i < pos.index; ++i) { + if (str[i] < 0x10000) + lsp_pos.character += 1; // this codepoint needs 1 UTF-16 word + else + lsp_pos.character += 2; // this codepoint needs 2 UTF-16 words + } + return lsp_pos; +} + static void buffer_send_lsp_did_change_request(LSP *lsp, TextBuffer *buffer, BufferPos pos, u32 nchars_deleted, String32 new_text) { - // @TODO - abort(); + if (!buffer_is_named_file(buffer)) + return; // this isn't a named buffer so we can't send a didChange request. + LSPDocumentChangeEvent event = {0}; + if (new_text.len > 0) + event.text = str32_to_utf8_cstr(new_text); + event.range.start = buffer_pos_to_lsp(buffer, pos); + BufferPos pos_end = buffer_pos_advance(buffer, pos, nchars_deleted); + event.range.end = buffer_pos_to_lsp(buffer, pos_end); + lsp_document_changed(lsp, buffer->filename, event); } // inserts the given text, returning the position of the end of the text @@ -2054,10 +2093,6 @@ void buffer_paste(TextBuffer *buffer) { } } -LSP *buffer_lsp(TextBuffer *buffer) { - return ted_get_lsp(buffer->ted, buffer_language(buffer)); -} - // if an error occurs, buffer is left untouched (except for the error field) and the function returns false. Status buffer_load_file(TextBuffer *buffer, char const *filename) { FILE *fp = fopen(filename, "rb"); |