mirror of
https://github.com/godotengine/godot
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b2f02317fa
Only level one inner classes would be resolved currently but it sould cover most real world use case Improve documation parseing for const values Improve documation format for native symbols
568 lines
19 KiB
C++
568 lines
19 KiB
C++
/*************************************************************************/
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/* gdscript_extend_parser.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) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 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_extend_parser.h"
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#include "../gdscript.h"
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#include "core/io/json.h"
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#include "gdscript_language_protocol.h"
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#include "gdscript_workspace.h"
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void ExtendGDScriptParser::update_diagnostics() {
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diagnostics.clear();
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if (has_error()) {
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lsp::Diagnostic diagnostic;
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diagnostic.severity = lsp::DiagnosticSeverity::Error;
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diagnostic.message = get_error();
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diagnostic.source = "gdscript";
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diagnostic.code = -1;
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lsp::Range range;
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lsp::Position pos;
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int line = LINE_NUMBER_TO_INDEX(get_error_line());
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const String &line_text = get_lines()[line];
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pos.line = line;
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pos.character = line_text.length() - line_text.strip_edges(true, false).length();
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range.start = pos;
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range.end = range.start;
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range.end.character = line_text.strip_edges(false).length();
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diagnostic.range = range;
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diagnostics.push_back(diagnostic);
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}
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const List<GDScriptWarning> &warnings = get_warnings();
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for (const List<GDScriptWarning>::Element *E = warnings.front(); E; E = E->next()) {
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const GDScriptWarning &warning = E->get();
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lsp::Diagnostic diagnostic;
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diagnostic.severity = lsp::DiagnosticSeverity::Warning;
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diagnostic.message = warning.get_message();
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diagnostic.source = "gdscript";
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diagnostic.code = warning.code;
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lsp::Range range;
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lsp::Position pos;
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int line = LINE_NUMBER_TO_INDEX(warning.line);
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const String &line_text = get_lines()[line];
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pos.line = line;
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pos.character = line_text.length() - line_text.strip_edges(true, false).length();
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range.start = pos;
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range.end = pos;
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range.end.character = line_text.strip_edges(false).length();
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diagnostic.range = range;
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diagnostics.push_back(diagnostic);
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}
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}
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void ExtendGDScriptParser::update_symbols() {
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members.clear();
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const GDScriptParser::Node *head = get_parse_tree();
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if (const GDScriptParser::ClassNode *gdclass = dynamic_cast<const GDScriptParser::ClassNode *>(head)) {
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parse_class_symbol(gdclass, class_symbol);
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for (int i = 0; i < class_symbol.children.size(); i++) {
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const lsp::DocumentSymbol &symbol = class_symbol.children[i];
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members.set(symbol.name, &symbol);
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// cache level one inner classes
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if (symbol.kind == lsp::SymbolKind::Class) {
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ClassMembers inner_class;
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for (int j = 0; j < symbol.children.size(); j++) {
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const lsp::DocumentSymbol &s = symbol.children[j];
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inner_class.set(s.name, &s);
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}
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inner_classes.set(symbol.name, inner_class);
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}
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}
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}
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}
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void ExtendGDScriptParser::parse_class_symbol(const GDScriptParser::ClassNode *p_class, lsp::DocumentSymbol &r_symbol) {
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const String uri = get_uri();
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r_symbol.uri = uri;
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r_symbol.script_path = path;
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r_symbol.children.clear();
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r_symbol.name = p_class->name;
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if (r_symbol.name.empty())
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r_symbol.name = path.get_file();
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r_symbol.kind = lsp::SymbolKind::Class;
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r_symbol.deprecated = false;
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r_symbol.range.start.line = LINE_NUMBER_TO_INDEX(p_class->line);
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r_symbol.range.start.character = p_class->column;
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r_symbol.range.end.line = LINE_NUMBER_TO_INDEX(p_class->end_line);
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r_symbol.selectionRange.start.line = r_symbol.range.start.line;
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r_symbol.detail = "class " + r_symbol.name;
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bool is_root_class = &r_symbol == &class_symbol;
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r_symbol.documentation = parse_documentation(is_root_class ? 0 : LINE_NUMBER_TO_INDEX(p_class->line), is_root_class);
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for (int i = 0; i < p_class->variables.size(); ++i) {
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const GDScriptParser::ClassNode::Member &m = p_class->variables[i];
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lsp::DocumentSymbol symbol;
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symbol.name = m.identifier;
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symbol.kind = lsp::SymbolKind::Variable;
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symbol.deprecated = false;
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const int line = LINE_NUMBER_TO_INDEX(m.line);
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symbol.range.start.line = line;
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symbol.range.start.character = lines[line].length() - lines[line].strip_edges(true, false).length();
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symbol.range.end.line = line;
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symbol.range.end.character = lines[line].length();
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symbol.selectionRange.start.line = symbol.range.start.line;
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symbol.detail = "var " + m.identifier;
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if (m.data_type.kind != GDScriptParser::DataType::UNRESOLVED) {
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symbol.detail += ": " + m.data_type.to_string();
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}
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if (m.default_value.get_type() != Variant::NIL) {
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symbol.detail += " = " + JSON::print(m.default_value);
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}
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symbol.documentation = parse_documentation(line);
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symbol.uri = uri;
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symbol.script_path = path;
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r_symbol.children.push_back(symbol);
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}
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for (int i = 0; i < p_class->_signals.size(); ++i) {
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const GDScriptParser::ClassNode::Signal &signal = p_class->_signals[i];
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lsp::DocumentSymbol symbol;
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symbol.name = signal.name;
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symbol.kind = lsp::SymbolKind::Event;
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symbol.deprecated = false;
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const int line = LINE_NUMBER_TO_INDEX(signal.line);
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symbol.range.start.line = line;
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symbol.range.start.character = lines[line].length() - lines[line].strip_edges(true, false).length();
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symbol.range.end.line = symbol.range.start.line;
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symbol.range.end.character = lines[line].length();
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symbol.selectionRange.start.line = symbol.range.start.line;
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symbol.documentation = parse_documentation(line);
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symbol.uri = uri;
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symbol.script_path = path;
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symbol.detail = "signal " + signal.name + "(";
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for (int j = 0; j < signal.arguments.size(); j++) {
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if (j > 0) {
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symbol.detail += ", ";
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}
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symbol.detail += signal.arguments[j];
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}
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symbol.detail += ")";
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r_symbol.children.push_back(symbol);
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}
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for (Map<StringName, GDScriptParser::ClassNode::Constant>::Element *E = p_class->constant_expressions.front(); E; E = E->next()) {
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lsp::DocumentSymbol symbol;
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const GDScriptParser::ClassNode::Constant &c = E->value();
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const GDScriptParser::ConstantNode *node = dynamic_cast<const GDScriptParser::ConstantNode *>(c.expression);
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symbol.name = E->key();
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symbol.kind = lsp::SymbolKind::Constant;
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symbol.deprecated = false;
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const int line = LINE_NUMBER_TO_INDEX(E->get().expression->line);
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symbol.range.start.line = line;
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symbol.range.start.character = E->get().expression->column;
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symbol.range.end.line = symbol.range.start.line;
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symbol.range.end.character = lines[line].length();
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symbol.selectionRange.start.line = symbol.range.start.line;
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symbol.documentation = parse_documentation(line);
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symbol.uri = uri;
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symbol.script_path = path;
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symbol.detail = "const " + symbol.name;
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if (c.type.kind != GDScriptParser::DataType::UNRESOLVED) {
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symbol.detail += ": " + c.type.to_string();
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}
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String value_text;
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if (node->value.get_type() == Variant::OBJECT) {
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RES res = node->value;
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if (res.is_valid() && !res->get_path().empty()) {
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value_text = "preload(\"" + res->get_path() + "\")";
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if (symbol.documentation.empty()) {
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if (Map<String, ExtendGDScriptParser *>::Element *S = GDScriptLanguageProtocol::get_singleton()->get_workspace().scripts.find(res->get_path())) {
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symbol.documentation = S->get()->class_symbol.documentation;
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}
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}
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} else {
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value_text = JSON::print(node->value);
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}
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} else {
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value_text = JSON::print(node->value);
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}
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if (!value_text.empty()) {
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symbol.detail += " = " + value_text;
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}
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r_symbol.children.push_back(symbol);
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}
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for (int i = 0; i < p_class->functions.size(); ++i) {
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const GDScriptParser::FunctionNode *func = p_class->functions[i];
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lsp::DocumentSymbol symbol;
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parse_function_symbol(func, symbol);
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r_symbol.children.push_back(symbol);
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}
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for (int i = 0; i < p_class->static_functions.size(); ++i) {
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const GDScriptParser::FunctionNode *func = p_class->static_functions[i];
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lsp::DocumentSymbol symbol;
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parse_function_symbol(func, symbol);
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r_symbol.children.push_back(symbol);
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}
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for (int i = 0; i < p_class->subclasses.size(); ++i) {
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const GDScriptParser::ClassNode *subclass = p_class->subclasses[i];
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lsp::DocumentSymbol symbol;
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parse_class_symbol(subclass, symbol);
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r_symbol.children.push_back(symbol);
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}
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}
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void ExtendGDScriptParser::parse_function_symbol(const GDScriptParser::FunctionNode *p_func, lsp::DocumentSymbol &r_symbol) {
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const String uri = get_uri();
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r_symbol.name = p_func->name;
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r_symbol.kind = lsp::SymbolKind::Function;
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r_symbol.detail = "func " + p_func->name + "(";
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r_symbol.deprecated = false;
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const int line = LINE_NUMBER_TO_INDEX(p_func->line);
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r_symbol.range.start.line = line;
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r_symbol.range.start.character = p_func->column;
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r_symbol.range.end.line = MAX(p_func->body->end_line - 2, p_func->body->line);
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r_symbol.range.end.character = lines[r_symbol.range.end.line].length();
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r_symbol.selectionRange.start.line = r_symbol.range.start.line;
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r_symbol.documentation = GDScriptWorkspace::marked_documentation(parse_documentation(line));
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r_symbol.uri = uri;
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r_symbol.script_path = path;
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String arguments;
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for (int i = 0; i < p_func->arguments.size(); i++) {
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lsp::DocumentSymbol symbol;
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symbol.kind = lsp::SymbolKind::Variable;
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symbol.name = p_func->arguments[i];
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symbol.range.start.line = LINE_NUMBER_TO_INDEX(p_func->body->line);
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symbol.range.start.character = p_func->body->column;
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symbol.range.end = symbol.range.start;
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symbol.uri = uri;
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symbol.script_path = path;
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r_symbol.children.push_back(symbol);
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if (i > 0) {
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arguments += ", ";
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}
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arguments += String(p_func->arguments[i]);
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if (p_func->argument_types[i].kind != GDScriptParser::DataType::UNRESOLVED) {
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arguments += ": " + p_func->argument_types[i].to_string();
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}
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int default_value_idx = i - (p_func->arguments.size() - p_func->default_values.size());
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if (default_value_idx >= 0) {
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const GDScriptParser::ConstantNode *const_node = dynamic_cast<const GDScriptParser::ConstantNode *>(p_func->default_values[default_value_idx]);
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if (const_node == NULL) {
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const GDScriptParser::OperatorNode *operator_node = dynamic_cast<const GDScriptParser::OperatorNode *>(p_func->default_values[default_value_idx]);
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if (operator_node) {
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const_node = dynamic_cast<const GDScriptParser::ConstantNode *>(operator_node->next);
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}
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}
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if (const_node) {
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String value = JSON::print(const_node->value);
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arguments += " = " + value;
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}
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}
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}
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r_symbol.detail += arguments + ")";
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if (p_func->return_type.kind != GDScriptParser::DataType::UNRESOLVED) {
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r_symbol.detail += " -> " + p_func->return_type.to_string();
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}
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for (const Map<StringName, LocalVarNode *>::Element *E = p_func->body->variables.front(); E; E = E->next()) {
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lsp::DocumentSymbol symbol;
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const GDScriptParser::LocalVarNode *var = E->value();
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symbol.name = E->key();
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symbol.kind = lsp::SymbolKind::Variable;
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symbol.range.start.line = LINE_NUMBER_TO_INDEX(E->get()->line);
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symbol.range.start.character = E->get()->column;
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symbol.range.end.line = symbol.range.start.line;
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symbol.range.end.character = lines[symbol.range.end.line].length();
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symbol.uri = uri;
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symbol.script_path = path;
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symbol.detail = "var " + symbol.name;
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if (var->datatype.kind != GDScriptParser::DataType::UNRESOLVED) {
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symbol.detail += ": " + var->datatype.to_string();
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}
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symbol.documentation = GDScriptWorkspace::marked_documentation(parse_documentation(line));
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r_symbol.children.push_back(symbol);
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}
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}
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String ExtendGDScriptParser::parse_documentation(int p_line, bool p_docs_down) {
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ERR_FAIL_INDEX_V(p_line, lines.size(), String());
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List<String> doc_lines;
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if (!p_docs_down) { // inline comment
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String inline_comment = lines[p_line];
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int comment_start = inline_comment.find("#");
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if (comment_start != -1) {
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inline_comment = inline_comment.substr(comment_start, inline_comment.length());
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if (inline_comment.length() > 1) {
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doc_lines.push_back(inline_comment.substr(1, inline_comment.length()));
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}
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}
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}
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int step = p_docs_down ? 1 : -1;
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int start_line = p_docs_down ? p_line : p_line - 1;
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for (int i = start_line; true; i += step) {
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if (i < 0 || i >= lines.size()) break;
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String line_comment = lines[i].strip_edges(true, false);
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if (line_comment.begins_with("#")) {
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if (line_comment.length() > 1) {
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line_comment = line_comment.substr(1, line_comment.length());
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if (p_docs_down) {
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doc_lines.push_back(line_comment);
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} else {
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doc_lines.push_front(line_comment);
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}
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} else {
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if (p_docs_down) {
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doc_lines.push_back("");
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} else {
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doc_lines.push_front("");
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}
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}
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} else {
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break;
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}
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}
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String doc;
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for (List<String>::Element *E = doc_lines.front(); E; E = E->next()) {
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String content = E->get();
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doc += content + "\n";
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}
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return doc;
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}
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String ExtendGDScriptParser::get_text_for_completion(const lsp::Position &p_cursor) const {
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String longthing;
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int len = lines.size();
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for (int i = 0; i < len; i++) {
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if (i == p_cursor.line) {
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longthing += lines[i].substr(0, p_cursor.character);
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longthing += String::chr(0xFFFF); //not unicode, represents the cursor
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longthing += lines[i].substr(p_cursor.character, lines[i].size());
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} else {
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longthing += lines[i];
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}
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if (i != len - 1)
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longthing += "\n";
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}
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return longthing;
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}
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String ExtendGDScriptParser::get_text_for_lookup_symbol(const lsp::Position &p_cursor, const String &p_symbol, bool p_func_requred) const {
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String longthing;
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int len = lines.size();
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for (int i = 0; i < len; i++) {
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if (i == p_cursor.line) {
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String line = lines[i];
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String first_part = line.substr(0, p_cursor.character);
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String last_part = line.substr(p_cursor.character, lines[i].size());
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if (!p_symbol.empty()) {
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String left_cursor_text;
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for (int c = p_cursor.character - 1; c >= 0; c--) {
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left_cursor_text = line.substr(c, p_cursor.character - c);
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if (p_symbol.begins_with(left_cursor_text)) {
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first_part = line.substr(0, c);
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first_part += p_symbol;
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break;
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}
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}
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}
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longthing += first_part;
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longthing += String::chr(0xFFFF); //not unicode, represents the cursor
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if (p_func_requred) {
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longthing += "("; // tell the parser this is a function call
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}
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longthing += last_part;
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} else {
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longthing += lines[i];
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}
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if (i != len - 1)
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longthing += "\n";
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}
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return longthing;
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}
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String ExtendGDScriptParser::get_identifier_under_position(const lsp::Position &p_position, Vector2i &p_offset) const {
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ERR_FAIL_INDEX_V(p_position.line, lines.size(), "");
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String line = lines[p_position.line];
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ERR_FAIL_INDEX_V(p_position.character, line.size(), "");
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int start_pos = p_position.character;
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for (int c = p_position.character; c >= 0; c--) {
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start_pos = c;
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CharType ch = line[c];
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bool valid_char = (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ch == '_';
|
|
if (!valid_char) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
int end_pos = p_position.character;
|
|
for (int c = p_position.character; c < line.length(); c++) {
|
|
CharType ch = line[c];
|
|
bool valid_char = (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ch == '_';
|
|
if (!valid_char) {
|
|
break;
|
|
}
|
|
end_pos = c;
|
|
}
|
|
if (start_pos < end_pos) {
|
|
p_offset.x = start_pos - p_position.character;
|
|
p_offset.y = end_pos - p_position.character;
|
|
return line.substr(start_pos + 1, end_pos - start_pos);
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
String ExtendGDScriptParser::get_uri() const {
|
|
return GDScriptLanguageProtocol::get_singleton()->get_workspace().get_file_uri(path);
|
|
}
|
|
|
|
const lsp::DocumentSymbol *ExtendGDScriptParser::search_symbol_defined_at_line(int p_line, const lsp::DocumentSymbol &p_parent) const {
|
|
const lsp::DocumentSymbol *ret = NULL;
|
|
if (p_line < p_parent.range.start.line) {
|
|
return ret;
|
|
} else if (p_parent.range.start.line == p_line) {
|
|
return &p_parent;
|
|
} else {
|
|
for (int i = 0; i < p_parent.children.size(); i++) {
|
|
ret = search_symbol_defined_at_line(p_line, p_parent.children[i]);
|
|
if (ret) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
const lsp::DocumentSymbol *ExtendGDScriptParser::get_symbol_defined_at_line(int p_line) const {
|
|
if (p_line <= 0) {
|
|
return &class_symbol;
|
|
}
|
|
return search_symbol_defined_at_line(p_line, class_symbol);
|
|
}
|
|
|
|
const lsp::DocumentSymbol *ExtendGDScriptParser::get_member_symbol(const String &p_name, const String &p_subclass) const {
|
|
|
|
if (p_subclass.empty()) {
|
|
const lsp::DocumentSymbol *const *ptr = members.getptr(p_name);
|
|
if (ptr) {
|
|
return *ptr;
|
|
}
|
|
} else {
|
|
if (const ClassMembers *_class = inner_classes.getptr(p_subclass)) {
|
|
const lsp::DocumentSymbol *const *ptr = _class->getptr(p_name);
|
|
if (ptr) {
|
|
return *ptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const Array &ExtendGDScriptParser::get_member_completions() {
|
|
|
|
if (member_completions.empty()) {
|
|
|
|
const String *name = members.next(NULL);
|
|
while (name) {
|
|
|
|
const lsp::DocumentSymbol *symbol = members.get(*name);
|
|
lsp::CompletionItem item = symbol->make_completion_item();
|
|
item.data = JOIN_SYMBOLS(path, *name);
|
|
member_completions.push_back(item.to_json());
|
|
|
|
name = members.next(name);
|
|
}
|
|
|
|
const String *_class = inner_classes.next(NULL);
|
|
while (_class) {
|
|
|
|
const ClassMembers *inner_class = inner_classes.getptr(*_class);
|
|
const String *member_name = inner_class->next(NULL);
|
|
while (member_name) {
|
|
const lsp::DocumentSymbol *symbol = inner_class->get(*member_name);
|
|
lsp::CompletionItem item = symbol->make_completion_item();
|
|
item.data = JOIN_SYMBOLS(path, JOIN_SYMBOLS(*_class, *member_name));
|
|
member_completions.push_back(item.to_json());
|
|
|
|
member_name = inner_class->next(member_name);
|
|
}
|
|
|
|
_class = inner_classes.next(_class);
|
|
}
|
|
}
|
|
|
|
return member_completions;
|
|
}
|
|
|
|
Error ExtendGDScriptParser::parse(const String &p_code, const String &p_path) {
|
|
path = p_path;
|
|
code = p_code;
|
|
lines = p_code.split("\n");
|
|
|
|
Error err = GDScriptParser::parse(p_code, p_path.get_base_dir(), false, p_path, false, NULL, false);
|
|
update_diagnostics();
|
|
update_symbols();
|
|
return err;
|
|
}
|