eba3e0a9fc
The `%` is used in scene unique nodes. Now `%` can also be used instead of `$` for the shorthand, besides being allowed generally anywhere in the path as the prefix for a node name.
659 lines
20 KiB
C++
659 lines
20 KiB
C++
/*************************************************************************/
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/* gdscript_highlighter.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "gdscript_highlighter.h"
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#include "../gdscript.h"
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#include "../gdscript_tokenizer.h"
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#include "core/config/project_settings.h"
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#include "editor/editor_settings.h"
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Dictionary GDScriptSyntaxHighlighter::_get_line_syntax_highlighting_impl(int p_line) {
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Dictionary color_map;
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Type next_type = NONE;
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Type current_type = NONE;
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Type previous_type = NONE;
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String previous_text = "";
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int previous_column = 0;
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bool prev_is_char = false;
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bool prev_is_number = false;
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bool in_keyword = false;
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bool in_word = false;
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bool in_function_name = false;
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bool in_lambda = false;
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bool in_variable_declaration = false;
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bool in_signal_declaration = false;
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bool in_function_args = false;
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bool in_member_variable = false;
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bool in_node_path = false;
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bool in_annotation = false;
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bool is_hex_notation = false;
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bool is_bin_notation = false;
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bool expect_type = false;
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Color keyword_color;
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Color color;
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color_region_cache[p_line] = -1;
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int in_region = -1;
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if (p_line != 0) {
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int prev_region_line = p_line - 1;
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while (prev_region_line > 0 && !color_region_cache.has(prev_region_line)) {
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prev_region_line--;
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}
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for (int i = prev_region_line; i < p_line - 1; i++) {
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get_line_syntax_highlighting(i);
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}
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if (!color_region_cache.has(p_line - 1)) {
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get_line_syntax_highlighting(p_line - 1);
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}
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in_region = color_region_cache[p_line - 1];
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}
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const String &str = text_edit->get_line(p_line);
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const int line_length = str.length();
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Color prev_color;
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if (in_region != -1 && str.length() == 0) {
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color_region_cache[p_line] = in_region;
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}
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for (int j = 0; j < str.length(); j++) {
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Dictionary highlighter_info;
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color = font_color;
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bool is_char = !is_symbol(str[j]);
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bool is_a_symbol = is_symbol(str[j]);
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bool is_number = is_digit(str[j]);
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/* color regions */
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if (is_a_symbol || in_region != -1) {
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int from = j;
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if (in_region == -1) {
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for (; from < line_length; from++) {
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if (str[from] == '\\') {
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from++;
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continue;
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}
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break;
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}
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}
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if (from != line_length) {
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/* check if we are in entering a region */
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if (in_region == -1) {
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for (int c = 0; c < color_regions.size(); c++) {
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/* check there is enough room */
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int chars_left = line_length - from;
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int start_key_length = color_regions[c].start_key.length();
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int end_key_length = color_regions[c].end_key.length();
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if (chars_left < start_key_length) {
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continue;
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}
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/* search the line */
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bool match = true;
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const char32_t *start_key = color_regions[c].start_key.get_data();
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for (int k = 0; k < start_key_length; k++) {
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if (start_key[k] != str[from + k]) {
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match = false;
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break;
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}
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}
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if (!match) {
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continue;
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}
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in_region = c;
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from += start_key_length;
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/* check if it's the whole line */
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if (end_key_length == 0 || color_regions[c].line_only || from + end_key_length > line_length) {
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if (from + end_key_length > line_length) {
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// If it's key length and there is a '\', dont skip to highlight esc chars.
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if (str.find("\\", from) >= 0) {
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break;
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}
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}
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prev_color = color_regions[in_region].color;
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highlighter_info["color"] = color_regions[c].color;
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color_map[j] = highlighter_info;
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j = line_length;
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if (!color_regions[c].line_only) {
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color_region_cache[p_line] = c;
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}
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}
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break;
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}
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if (j == line_length) {
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continue;
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}
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}
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/* if we are in one find the end key */
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if (in_region != -1) {
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Color region_color = color_regions[in_region].color;
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if (in_node_path && (color_regions[in_region].start_key == "\"" || color_regions[in_region].start_key == "\'")) {
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region_color = node_path_color;
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}
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prev_color = region_color;
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highlighter_info["color"] = region_color;
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color_map[j] = highlighter_info;
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/* search the line */
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int region_end_index = -1;
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int end_key_length = color_regions[in_region].end_key.length();
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const char32_t *end_key = color_regions[in_region].end_key.get_data();
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for (; from < line_length; from++) {
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if (line_length - from < end_key_length) {
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// Don't break if '\' to highlight esc chars.
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if (str.find("\\", from) < 0) {
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break;
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}
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}
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if (!is_symbol(str[from])) {
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continue;
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}
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if (str[from] == '\\') {
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Dictionary escape_char_highlighter_info;
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escape_char_highlighter_info["color"] = symbol_color;
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color_map[from] = escape_char_highlighter_info;
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from++;
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Dictionary region_continue_highlighter_info;
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prev_color = region_color;
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region_continue_highlighter_info["color"] = region_color;
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color_map[from + 1] = region_continue_highlighter_info;
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continue;
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}
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region_end_index = from;
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for (int k = 0; k < end_key_length; k++) {
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if (end_key[k] != str[from + k]) {
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region_end_index = -1;
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break;
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}
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}
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if (region_end_index != -1) {
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break;
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}
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}
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previous_type = REGION;
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previous_text = "";
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previous_column = j;
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j = from + (end_key_length - 1);
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if (region_end_index == -1) {
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color_region_cache[p_line] = in_region;
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}
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in_region = -1;
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prev_is_char = false;
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prev_is_number = false;
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continue;
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}
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}
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}
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// allow ABCDEF in hex notation
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if (is_hex_notation && (is_hex_digit(str[j]) || is_number)) {
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is_number = true;
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} else {
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is_hex_notation = false;
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}
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// disallow anything not a 0 or 1
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if (is_bin_notation && (is_binary_digit(str[j]))) {
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is_number = true;
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} else if (is_bin_notation) {
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is_bin_notation = false;
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is_number = false;
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} else {
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is_bin_notation = false;
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}
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// check for dot or underscore or 'x' for hex notation in floating point number or 'e' for scientific notation
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if ((str[j] == '.' || str[j] == 'x' || str[j] == 'b' || str[j] == '_' || str[j] == 'e') && !in_word && prev_is_number && !is_number) {
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is_number = true;
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is_a_symbol = false;
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is_char = false;
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if (str[j] == 'x' && str[j - 1] == '0') {
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is_hex_notation = true;
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} else if (str[j] == 'b' && str[j - 1] == '0') {
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is_bin_notation = true;
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}
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}
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if (!in_word && (is_ascii_char(str[j]) || is_underscore(str[j])) && !is_number) {
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in_word = true;
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}
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if ((in_keyword || in_word) && !is_hex_notation) {
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is_number = false;
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}
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if (is_a_symbol && str[j] != '.' && in_word) {
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in_word = false;
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}
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if (!is_char) {
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in_keyword = false;
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}
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if (!in_keyword && is_char && !prev_is_char) {
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int to = j;
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while (to < str.length() && !is_symbol(str[to])) {
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to++;
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}
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String word = str.substr(j, to - j);
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Color col = Color();
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if (keywords.has(word)) {
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col = keywords[word];
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} else if (member_keywords.has(word)) {
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col = member_keywords[word];
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}
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if (col != Color()) {
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for (int k = j - 1; k >= 0; k--) {
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if (str[k] == '.') {
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col = Color(); // keyword & member indexing not allowed
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break;
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} else if (str[k] > 32) {
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break;
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}
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}
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if (col != Color()) {
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in_keyword = true;
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keyword_color = col;
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}
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}
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}
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if (!in_function_name && in_word && !in_keyword) {
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if (previous_text == GDScriptTokenizer::get_token_name(GDScriptTokenizer::Token::SIGNAL)) {
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in_signal_declaration = true;
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} else {
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int k = j;
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while (k < str.length() && !is_symbol(str[k]) && str[k] != '\t' && str[k] != ' ') {
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k++;
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}
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// check for space between name and bracket
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while (k < str.length() && (str[k] == '\t' || str[k] == ' ')) {
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k++;
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}
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if (str[k] == '(') {
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in_function_name = true;
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} else if (previous_text == GDScriptTokenizer::get_token_name(GDScriptTokenizer::Token::VAR)) {
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in_variable_declaration = true;
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}
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// Check for lambda.
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if (in_function_name && previous_text == GDScriptTokenizer::get_token_name(GDScriptTokenizer::Token::FUNC)) {
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k = j - 1;
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while (k > 0 && (str[k] == '\t' || str[k] == ' ')) {
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k--;
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}
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if (str[k] == ':') {
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in_lambda = true;
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}
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}
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}
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}
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if (!in_function_name && !in_member_variable && !in_keyword && !is_number && in_word) {
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int k = j;
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while (k > 0 && !is_symbol(str[k]) && str[k] != '\t' && str[k] != ' ') {
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k--;
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}
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if (str[k] == '.') {
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in_member_variable = true;
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}
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}
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if (is_a_symbol) {
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if (in_function_name) {
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in_function_args = true;
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}
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if (in_function_args && str[j] == ')') {
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in_function_args = false;
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}
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if (expect_type && (prev_is_char || str[j] == '=')) {
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expect_type = false;
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}
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if (j > 0 && str[j] == '>' && str[j - 1] == '-') {
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expect_type = true;
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}
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if (in_variable_declaration || in_function_args) {
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int k = j;
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// Skip space
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while (k < str.length() && (str[k] == '\t' || str[k] == ' ')) {
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k++;
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}
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if (str[k] == ':') {
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// has type hint
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expect_type = true;
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}
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}
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in_variable_declaration = false;
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in_signal_declaration = false;
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in_function_name = false;
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in_lambda = false;
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in_member_variable = false;
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}
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if (!in_node_path && in_region == -1 && (str[j] == '$' || str[j] == '%')) {
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in_node_path = true;
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} else if (in_region != -1 || (is_a_symbol && str[j] != '/' && str[j] != '%')) {
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in_node_path = false;
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}
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if (!in_annotation && in_region == -1 && str[j] == '@') {
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in_annotation = true;
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} else if (in_region != -1 || is_a_symbol) {
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in_annotation = false;
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}
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if (in_node_path) {
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next_type = NODE_PATH;
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color = node_path_color;
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} else if (in_annotation) {
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next_type = ANNOTATION;
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color = annotation_color;
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} else if (in_keyword) {
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next_type = KEYWORD;
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color = keyword_color;
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} else if (in_member_variable) {
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next_type = MEMBER;
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color = member_color;
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} else if (in_signal_declaration) {
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next_type = SIGNAL;
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color = member_color;
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} else if (in_function_name) {
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next_type = FUNCTION;
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if (!in_lambda && previous_text == GDScriptTokenizer::get_token_name(GDScriptTokenizer::Token::FUNC)) {
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color = function_definition_color;
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} else {
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color = function_color;
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}
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} else if (is_a_symbol) {
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next_type = SYMBOL;
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color = symbol_color;
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} else if (is_number) {
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next_type = NUMBER;
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color = number_color;
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} else if (expect_type) {
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next_type = TYPE;
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color = type_color;
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} else {
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next_type = IDENTIFIER;
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}
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if (next_type != current_type) {
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if (current_type == NONE) {
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current_type = next_type;
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} else {
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previous_type = current_type;
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current_type = next_type;
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// no need to store regions...
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if (previous_type == REGION) {
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previous_text = "";
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previous_column = j;
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} else {
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String text = str.substr(previous_column, j - previous_column).strip_edges();
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previous_column = j;
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// ignore if just whitespace
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if (!text.is_empty()) {
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previous_text = text;
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}
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}
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}
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}
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prev_is_char = is_char;
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prev_is_number = is_number;
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if (color != prev_color) {
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prev_color = color;
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highlighter_info["color"] = color;
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color_map[j] = highlighter_info;
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}
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}
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return color_map;
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}
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String GDScriptSyntaxHighlighter::_get_name() const {
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return "GDScript";
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}
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Array GDScriptSyntaxHighlighter::_get_supported_languages() const {
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Array languages;
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languages.push_back("GDScript");
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return languages;
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}
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void GDScriptSyntaxHighlighter::_update_cache() {
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keywords.clear();
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member_keywords.clear();
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color_regions.clear();
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color_region_cache.clear();
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font_color = text_edit->get_theme_color(SNAME("font_color"));
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symbol_color = EDITOR_GET("text_editor/theme/highlighting/symbol_color");
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function_color = EDITOR_GET("text_editor/theme/highlighting/function_color");
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number_color = EDITOR_GET("text_editor/theme/highlighting/number_color");
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member_color = EDITOR_GET("text_editor/theme/highlighting/member_variable_color");
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/* Engine types. */
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const Color types_color = EDITOR_GET("text_editor/theme/highlighting/engine_type_color");
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List<StringName> types;
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ClassDB::get_class_list(&types);
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for (const StringName &E : types) {
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keywords[E] = types_color;
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}
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/* User types. */
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const Color usertype_color = EDITOR_GET("text_editor/theme/highlighting/user_type_color");
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List<StringName> global_classes;
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ScriptServer::get_global_class_list(&global_classes);
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for (const StringName &E : global_classes) {
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keywords[E] = usertype_color;
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}
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/* Autoloads. */
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for (const KeyValue<StringName, ProjectSettings::AutoloadInfo> &E : ProjectSettings::get_singleton()->get_autoload_list()) {
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const ProjectSettings::AutoloadInfo &info = E.value;
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if (info.is_singleton) {
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keywords[info.name] = usertype_color;
|
|
}
|
|
}
|
|
|
|
const GDScriptLanguage *gdscript = GDScriptLanguage::get_singleton();
|
|
|
|
/* Core types. */
|
|
const Color basetype_color = EDITOR_GET("text_editor/theme/highlighting/base_type_color");
|
|
List<String> core_types;
|
|
gdscript->get_core_type_words(&core_types);
|
|
for (const String &E : core_types) {
|
|
keywords[StringName(E)] = basetype_color;
|
|
}
|
|
|
|
/* Reserved words. */
|
|
const Color keyword_color = EDITOR_GET("text_editor/theme/highlighting/keyword_color");
|
|
const Color control_flow_keyword_color = EDITOR_GET("text_editor/theme/highlighting/control_flow_keyword_color");
|
|
List<String> keyword_list;
|
|
gdscript->get_reserved_words(&keyword_list);
|
|
for (const String &E : keyword_list) {
|
|
if (gdscript->is_control_flow_keyword(E)) {
|
|
keywords[StringName(E)] = control_flow_keyword_color;
|
|
} else {
|
|
keywords[StringName(E)] = keyword_color;
|
|
}
|
|
}
|
|
|
|
/* Comments */
|
|
const Color comment_color = EDITOR_GET("text_editor/theme/highlighting/comment_color");
|
|
List<String> comments;
|
|
gdscript->get_comment_delimiters(&comments);
|
|
for (const String &comment : comments) {
|
|
String beg = comment.get_slice(" ", 0);
|
|
String end = comment.get_slice_count(" ") > 1 ? comment.get_slice(" ", 1) : String();
|
|
add_color_region(beg, end, comment_color, end.is_empty());
|
|
}
|
|
|
|
/* Strings */
|
|
const Color string_color = EDITOR_GET("text_editor/theme/highlighting/string_color");
|
|
List<String> strings;
|
|
gdscript->get_string_delimiters(&strings);
|
|
for (const String &string : strings) {
|
|
String beg = string.get_slice(" ", 0);
|
|
String end = string.get_slice_count(" ") > 1 ? string.get_slice(" ", 1) : String();
|
|
add_color_region(beg, end, string_color, end.is_empty());
|
|
}
|
|
|
|
const Ref<Script> script = _get_edited_resource();
|
|
if (script.is_valid()) {
|
|
/* Member types. */
|
|
const Color member_variable_color = EDITOR_GET("text_editor/theme/highlighting/member_variable_color");
|
|
StringName instance_base = script->get_instance_base_type();
|
|
if (instance_base != StringName()) {
|
|
List<PropertyInfo> plist;
|
|
ClassDB::get_property_list(instance_base, &plist);
|
|
for (const PropertyInfo &E : plist) {
|
|
String name = E.name;
|
|
if (E.usage & PROPERTY_USAGE_CATEGORY || E.usage & PROPERTY_USAGE_GROUP || E.usage & PROPERTY_USAGE_SUBGROUP) {
|
|
continue;
|
|
}
|
|
if (name.contains("/")) {
|
|
continue;
|
|
}
|
|
member_keywords[name] = member_variable_color;
|
|
}
|
|
|
|
List<String> clist;
|
|
ClassDB::get_integer_constant_list(instance_base, &clist);
|
|
for (const String &E : clist) {
|
|
member_keywords[E] = member_variable_color;
|
|
}
|
|
}
|
|
}
|
|
|
|
const String text_edit_color_theme = EditorSettings::get_singleton()->get("text_editor/theme/color_theme");
|
|
const bool godot_2_theme = text_edit_color_theme == "Godot 2";
|
|
|
|
if (godot_2_theme || EditorSettings::get_singleton()->is_dark_theme()) {
|
|
function_definition_color = Color(0.4, 0.9, 1.0);
|
|
node_path_color = Color(0.39, 0.76, 0.35);
|
|
annotation_color = Color(1.0, 0.7, 0.45);
|
|
} else {
|
|
function_definition_color = Color(0.0, 0.65, 0.73);
|
|
node_path_color = Color(0.32, 0.55, 0.29);
|
|
annotation_color = Color(0.8, 0.5, 0.25);
|
|
}
|
|
|
|
EDITOR_DEF("text_editor/theme/highlighting/gdscript/function_definition_color", function_definition_color);
|
|
EDITOR_DEF("text_editor/theme/highlighting/gdscript/node_path_color", node_path_color);
|
|
EDITOR_DEF("text_editor/theme/highlighting/gdscript/annotation_color", annotation_color);
|
|
if (text_edit_color_theme == "Default" || godot_2_theme) {
|
|
EditorSettings::get_singleton()->set_initial_value(
|
|
"text_editor/theme/highlighting/gdscript/function_definition_color",
|
|
function_definition_color,
|
|
true);
|
|
EditorSettings::get_singleton()->set_initial_value(
|
|
"text_editor/theme/highlighting/gdscript/node_path_color",
|
|
node_path_color,
|
|
true);
|
|
EditorSettings::get_singleton()->set_initial_value(
|
|
"text_editor/theme/highlighting/gdscript/annotation_color",
|
|
annotation_color,
|
|
true);
|
|
}
|
|
|
|
function_definition_color = EDITOR_GET("text_editor/theme/highlighting/gdscript/function_definition_color");
|
|
node_path_color = EDITOR_GET("text_editor/theme/highlighting/gdscript/node_path_color");
|
|
annotation_color = EDITOR_GET("text_editor/theme/highlighting/gdscript/annotation_color");
|
|
type_color = EDITOR_GET("text_editor/theme/highlighting/base_type_color");
|
|
}
|
|
|
|
void GDScriptSyntaxHighlighter::add_color_region(const String &p_start_key, const String &p_end_key, const Color &p_color, bool p_line_only) {
|
|
for (int i = 0; i < p_start_key.length(); i++) {
|
|
ERR_FAIL_COND_MSG(!is_symbol(p_start_key[i]), "color regions must start with a symbol");
|
|
}
|
|
|
|
if (p_end_key.length() > 0) {
|
|
for (int i = 0; i < p_end_key.length(); i++) {
|
|
ERR_FAIL_COND_MSG(!is_symbol(p_end_key[i]), "color regions must end with a symbol");
|
|
}
|
|
}
|
|
|
|
int at = 0;
|
|
for (int i = 0; i < color_regions.size(); i++) {
|
|
ERR_FAIL_COND_MSG(color_regions[i].start_key == p_start_key, "color region with start key '" + p_start_key + "' already exists.");
|
|
if (p_start_key.length() < color_regions[i].start_key.length()) {
|
|
at++;
|
|
}
|
|
}
|
|
|
|
ColorRegion color_region;
|
|
color_region.color = p_color;
|
|
color_region.start_key = p_start_key;
|
|
color_region.end_key = p_end_key;
|
|
color_region.line_only = p_line_only;
|
|
color_regions.insert(at, color_region);
|
|
clear_highlighting_cache();
|
|
}
|
|
|
|
Ref<EditorSyntaxHighlighter> GDScriptSyntaxHighlighter::_create() const {
|
|
Ref<GDScriptSyntaxHighlighter> syntax_highlighter;
|
|
syntax_highlighter.instantiate();
|
|
return syntax_highlighter;
|
|
}
|