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-rw-r--r--modules/gdscript/editor/gdscript_highlighter.cpp262
-rw-r--r--modules/gdscript/editor/gdscript_highlighter.h56
2 files changed, 318 insertions, 0 deletions
diff --git a/modules/gdscript/editor/gdscript_highlighter.cpp b/modules/gdscript/editor/gdscript_highlighter.cpp
new file mode 100644
index 0000000000..4e89851bf2
--- /dev/null
+++ b/modules/gdscript/editor/gdscript_highlighter.cpp
@@ -0,0 +1,262 @@
+/*************************************************************************/
+/* gdscript_highlighter.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#include "gdscript_highlighter.h"
+#include "scene/gui/text_edit.h"
+
+inline bool _is_symbol(CharType c) {
+
+ return is_symbol(c);
+}
+
+static bool _is_text_char(CharType c) {
+
+ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_';
+}
+
+static bool _is_whitespace(CharType c) {
+ return c == '\t' || c == ' ';
+}
+
+static bool _is_char(CharType c) {
+
+ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
+}
+
+static bool _is_number(CharType c) {
+ return (c >= '0' && c <= '9');
+}
+
+static bool _is_hex_symbol(CharType c) {
+ return ((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'));
+}
+
+Map<int, TextEdit::HighlighterInfo> GDScriptSyntaxHighlighter::_get_line_syntax_highlighting(int p_line) {
+ Map<int, TextEdit::HighlighterInfo> color_map;
+
+ bool prev_is_char = false;
+ bool prev_is_number = false;
+ bool in_keyword = false;
+ bool in_word = false;
+ bool in_function_name = false;
+ bool in_member_variable = false;
+ bool is_hex_notation = false;
+ Color keyword_color;
+ Color color;
+
+ int in_region = text_editor->_is_line_in_region(p_line);
+ int deregion = 0;
+
+ const Map<int, TextEdit::Text::ColorRegionInfo> cri_map = text_editor->_get_line_color_region_info(p_line);
+ const String &str = text_editor->get_line(p_line);
+ Color prev_color;
+ for (int j = 0; j < str.length(); j++) {
+ TextEdit::HighlighterInfo highlighter_info;
+
+ if (deregion > 0) {
+ deregion--;
+ if (deregion == 0) {
+ in_region = -1;
+ }
+ }
+
+ if (deregion != 0) {
+ if (color != prev_color) {
+ prev_color = color;
+ highlighter_info.color = color;
+ color_map[j] = highlighter_info;
+ }
+ continue;
+ }
+
+ color = font_color;
+
+ bool is_char = _is_text_char(str[j]);
+ bool is_symbol = _is_symbol(str[j]);
+ bool is_number = _is_number(str[j]);
+
+ // allow ABCDEF in hex notation
+ if (is_hex_notation && (_is_hex_symbol(str[j]) || is_number)) {
+ is_number = true;
+ } else {
+ is_hex_notation = false;
+ }
+
+ // check for dot or underscore or 'x' for hex notation in floating point number
+ if ((str[j] == '.' || str[j] == 'x' || str[j] == '_') && !in_word && prev_is_number && !is_number) {
+ is_number = true;
+ is_symbol = false;
+ is_char = false;
+
+ if (str[j] == 'x' && str[j - 1] == '0') {
+ is_hex_notation = true;
+ }
+ }
+
+ if (!in_word && _is_char(str[j]) && !is_number) {
+ in_word = true;
+ }
+
+ if ((in_keyword || in_word) && !is_hex_notation) {
+ is_number = false;
+ }
+
+ if (is_symbol && str[j] != '.' && in_word) {
+ in_word = false;
+ }
+
+ if (is_symbol && cri_map.has(j)) {
+ const TextEdit::Text::ColorRegionInfo &cri = cri_map[j];
+
+ if (in_region == -1) {
+ if (!cri.end) {
+ in_region = cri.region;
+ }
+ } else {
+ TextEdit::ColorRegion cr = text_editor->_get_color_region(cri.region);
+ if (in_region == cri.region && !cr.line_only) { //ignore otherwise
+ if (cri.end || cr.eq) {
+ deregion = cr.eq ? cr.begin_key.length() : cr.end_key.length();
+ }
+ }
+ }
+ }
+
+ if (!is_char) {
+ in_keyword = false;
+ }
+
+ if (in_region == -1 && !in_keyword && is_char && !prev_is_char) {
+
+ int to = j;
+ while (to < str.length() && _is_text_char(str[to]))
+ to++;
+
+ String word = str.substr(j, to - j);
+ Color col = Color();
+ if (text_editor->has_keyword_color(word)) {
+ col = text_editor->get_keyword_color(word);
+ } else if (text_editor->has_member_color(word)) {
+ col = text_editor->get_member_color(word);
+ for (int k = j - 1; k >= 0; k--) {
+ if (str[k] == '.') {
+ col = Color(); //member indexing not allowed
+ break;
+ } else if (str[k] > 32) {
+ break;
+ }
+ }
+ }
+
+ if (col != Color()) {
+ in_keyword = true;
+ keyword_color = col;
+ }
+ }
+
+ if (!in_function_name && in_word && !in_keyword) {
+
+ int k = j;
+ while (k < str.length() && !_is_symbol(str[k]) && str[k] != '\t' && str[k] != ' ') {
+ k++;
+ }
+
+ // check for space between name and bracket
+ while (k < str.length() && (str[k] == '\t' || str[k] == ' ')) {
+ k++;
+ }
+
+ if (str[k] == '(') {
+ in_function_name = true;
+ }
+ }
+
+ if (!in_function_name && !in_member_variable && !in_keyword && !is_number && in_word) {
+ int k = j;
+ while (k > 0 && !_is_symbol(str[k]) && str[k] != '\t' && str[k] != ' ') {
+ k--;
+ }
+
+ if (str[k] == '.') {
+ in_member_variable = true;
+ }
+ }
+
+ if (is_symbol) {
+ in_function_name = false;
+ in_member_variable = false;
+ }
+
+ if (in_region >= 0)
+ color = text_editor->_get_color_region(in_region).color;
+ else if (in_keyword)
+ color = keyword_color;
+ else if (in_member_variable)
+ color = member_color;
+ else if (in_function_name)
+ color = function_color;
+ else if (is_symbol)
+ color = symbol_color;
+ else if (is_number)
+ color = number_color;
+
+ prev_is_char = is_char;
+ prev_is_number = is_number;
+
+ if (color != prev_color) {
+ prev_color = color;
+ highlighter_info.color = color;
+ color_map[j] = highlighter_info;
+ }
+ }
+ return color_map;
+}
+
+String GDScriptSyntaxHighlighter::get_name() {
+ return "GDScript";
+}
+
+List<String> GDScriptSyntaxHighlighter::get_supported_languages() {
+ List<String> languages;
+ languages.push_back("GDScript");
+ return languages;
+}
+
+void GDScriptSyntaxHighlighter::_update_cache() {
+ font_color = text_editor->get_color("font_color");
+ symbol_color = text_editor->get_color("symbol_color");
+ function_color = text_editor->get_color("function_color");
+ number_color = text_editor->get_color("number_color");
+ member_color = text_editor->get_color("member_variable_color");
+}
+
+SyntaxHighlighter *GDScriptSyntaxHighlighter::create() {
+ return memnew(GDScriptSyntaxHighlighter);
+}
diff --git a/modules/gdscript/editor/gdscript_highlighter.h b/modules/gdscript/editor/gdscript_highlighter.h
new file mode 100644
index 0000000000..ef1bdd4103
--- /dev/null
+++ b/modules/gdscript/editor/gdscript_highlighter.h
@@ -0,0 +1,56 @@
+/*************************************************************************/
+/* gdscript_highlighter.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef GDSCRIPT_HIGHLIGHTER_H
+#define GDSCRIPT_HIGHLIGHTER_H
+
+#include "scene/gui/text_edit.h"
+
+class GDScriptSyntaxHighlighter : public SyntaxHighlighter {
+private:
+ // colours
+ Color font_color;
+ Color symbol_color;
+ Color function_color;
+ Color built_in_type_color;
+ Color number_color;
+ Color member_color;
+
+public:
+ static SyntaxHighlighter *create();
+
+ virtual void _update_cache();
+ virtual Map<int, TextEdit::HighlighterInfo> _get_line_syntax_highlighting(int p_line);
+
+ virtual String get_name();
+ virtual List<String> get_supported_languages();
+};
+
+#endif // GDSCRIPT_HIGHLIGHTER_H
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