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godot/modules/gdscript/language_server/gdscript_extend_parser.cpp

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/*************************************************************************/
/* gdscript_extend_parser.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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_extend_parser.h"
#include "../gdscript.h"
#include "../gdscript_analyzer.h"
#include "core/io/json.h"
#include "gdscript_language_protocol.h"
#include "gdscript_workspace.h"
void ExtendGDScriptParser::update_diagnostics() {
diagnostics.clear();
const List<ParserError> &errors = get_errors();
for (const List<ParserError>::Element *E = errors.front(); E != nullptr; E = E->next()) {
const ParserError &error = E->get();
lsp::Diagnostic diagnostic;
diagnostic.severity = lsp::DiagnosticSeverity::Error;
diagnostic.message = error.message;
diagnostic.source = "gdscript";
diagnostic.code = -1;
lsp::Range range;
lsp::Position pos;
const PackedStringArray lines = get_lines();
int line = CLAMP(LINE_NUMBER_TO_INDEX(error.line), 0, lines.size() - 1);
const String &line_text = lines[line];
pos.line = line;
pos.character = line_text.length() - line_text.strip_edges(true, false).length();
range.start = pos;
range.end = range.start;
range.end.character = line_text.strip_edges(false).length();
diagnostic.range = range;
diagnostics.push_back(diagnostic);
}
const List<GDScriptWarning> &warnings = get_warnings();
for (const List<GDScriptWarning>::Element *E = warnings.front(); E; E = E->next()) {
const GDScriptWarning &warning = E->get();
lsp::Diagnostic diagnostic;
diagnostic.severity = lsp::DiagnosticSeverity::Warning;
diagnostic.message = "(" + warning.get_name() + "): " + warning.get_message();
diagnostic.source = "gdscript";
diagnostic.code = warning.code;
lsp::Range range;
lsp::Position pos;
int line = LINE_NUMBER_TO_INDEX(warning.start_line);
const String &line_text = get_lines()[line];
pos.line = line;
pos.character = line_text.length() - line_text.strip_edges(true, false).length();
range.start = pos;
range.end = pos;
range.end.character = line_text.strip_edges(false).length();
diagnostic.range = range;
diagnostics.push_back(diagnostic);
}
}
void ExtendGDScriptParser::update_symbols() {
members.clear();
const GDScriptParser::Node *head = get_tree();
if (const GDScriptParser::ClassNode *gdclass = dynamic_cast<const GDScriptParser::ClassNode *>(head)) {
parse_class_symbol(gdclass, class_symbol);
for (int i = 0; i < class_symbol.children.size(); i++) {
const lsp::DocumentSymbol &symbol = class_symbol.children[i];
members.set(symbol.name, &symbol);
// cache level one inner classes
if (symbol.kind == lsp::SymbolKind::Class) {
ClassMembers inner_class;
for (int j = 0; j < symbol.children.size(); j++) {
const lsp::DocumentSymbol &s = symbol.children[j];
inner_class.set(s.name, &s);
}
inner_classes.set(symbol.name, inner_class);
}
}
}
}
void ExtendGDScriptParser::update_document_links(const String &p_code) {
document_links.clear();
GDScriptTokenizer tokenizer;
FileAccessRef fs = FileAccess::create(FileAccess::ACCESS_RESOURCES);
tokenizer.set_source_code(p_code);
while (true) {
GDScriptTokenizer::Token token = tokenizer.scan();
if (token.type == GDScriptTokenizer::Token::TK_EOF) {
break;
} else if (token.type == GDScriptTokenizer::Token::LITERAL) {
const Variant &const_val = token.literal;
if (const_val.get_type() == Variant::STRING) {
String path = const_val;
bool exists = fs->file_exists(path);
if (!exists) {
path = get_path().get_base_dir() + "/" + path;
exists = fs->file_exists(path);
}
if (exists) {
String value = const_val;
lsp::DocumentLink link;
link.target = GDScriptLanguageProtocol::get_singleton()->get_workspace()->get_file_uri(path);
link.range.start.line = LINE_NUMBER_TO_INDEX(token.start_line);
link.range.end.line = LINE_NUMBER_TO_INDEX(token.end_line);
link.range.start.character = LINE_NUMBER_TO_INDEX(token.start_column);
link.range.end.character = LINE_NUMBER_TO_INDEX(token.end_column);
document_links.push_back(link);
}
}
}
}
}
void ExtendGDScriptParser::parse_class_symbol(const GDScriptParser::ClassNode *p_class, lsp::DocumentSymbol &r_symbol) {
const String uri = get_uri();
r_symbol.uri = uri;
r_symbol.script_path = path;
r_symbol.children.clear();
r_symbol.name = p_class->identifier != nullptr ? String(p_class->identifier->name) : String();
if (r_symbol.name.is_empty()) {
r_symbol.name = path.get_file();
}
r_symbol.kind = lsp::SymbolKind::Class;
r_symbol.deprecated = false;
r_symbol.range.start.line = LINE_NUMBER_TO_INDEX(p_class->start_line);
r_symbol.range.start.character = LINE_NUMBER_TO_INDEX(p_class->start_column);
r_symbol.range.end.line = LINE_NUMBER_TO_INDEX(p_class->end_line);
r_symbol.selectionRange.start.line = r_symbol.range.start.line;
r_symbol.detail = "class " + r_symbol.name;
bool is_root_class = &r_symbol == &class_symbol;
r_symbol.documentation = parse_documentation(is_root_class ? 0 : LINE_NUMBER_TO_INDEX(p_class->start_line), is_root_class);
for (int i = 0; i < p_class->members.size(); i++) {
const ClassNode::Member &m = p_class->members[i];
switch (m.type) {
case ClassNode::Member::VARIABLE: {
lsp::DocumentSymbol symbol;
symbol.name = m.variable->identifier->name;
symbol.kind = lsp::SymbolKind::Variable;
symbol.deprecated = false;
symbol.range.start.line = LINE_NUMBER_TO_INDEX(m.variable->start_line);
symbol.range.start.character = LINE_NUMBER_TO_INDEX(m.variable->start_column);
symbol.range.end.line = LINE_NUMBER_TO_INDEX(m.variable->end_line);
symbol.range.end.character = LINE_NUMBER_TO_INDEX(m.variable->end_column);
symbol.selectionRange.start.line = symbol.range.start.line;
if (m.variable->exported) {
symbol.detail += "@export ";
}
symbol.detail += "var " + m.variable->identifier->name;
if (m.get_datatype().is_hard_type()) {
symbol.detail += ": " + m.get_datatype().to_string();
}
if (m.variable->initializer != nullptr && m.variable->initializer->is_constant) {
symbol.detail += " = " + JSON::print(m.variable->initializer->reduced_value);
}
symbol.documentation = parse_documentation(LINE_NUMBER_TO_INDEX(m.variable->start_line));
symbol.uri = uri;
symbol.script_path = path;
r_symbol.children.push_back(symbol);
} break;
case ClassNode::Member::CONSTANT: {
lsp::DocumentSymbol symbol;
symbol.name = m.constant->identifier->name;
symbol.kind = lsp::SymbolKind::Constant;
symbol.deprecated = false;
symbol.range.start.line = LINE_NUMBER_TO_INDEX(m.constant->start_line);
symbol.range.start.character = LINE_NUMBER_TO_INDEX(m.constant->start_column);
symbol.range.end.line = LINE_NUMBER_TO_INDEX(m.constant->end_line);
symbol.range.end.character = LINE_NUMBER_TO_INDEX(m.constant->start_column);
symbol.selectionRange.start.line = LINE_NUMBER_TO_INDEX(m.constant->start_line);
symbol.documentation = parse_documentation(LINE_NUMBER_TO_INDEX(m.constant->start_line));
symbol.uri = uri;
symbol.script_path = path;
symbol.detail = "const " + symbol.name;
if (m.constant->get_datatype().is_hard_type()) {
symbol.detail += ": " + m.constant->get_datatype().to_string();
}
const Variant &default_value = m.constant->initializer->reduced_value;
String value_text;
if (default_value.get_type() == Variant::OBJECT) {
RES res = default_value;
if (res.is_valid() && !res->get_path().is_empty()) {
value_text = "preload(\"" + res->get_path() + "\")";
if (symbol.documentation.is_empty()) {
if (Map<String, ExtendGDScriptParser *>::Element *S = GDScriptLanguageProtocol::get_singleton()->get_workspace()->scripts.find(res->get_path())) {
symbol.documentation = S->get()->class_symbol.documentation;
}
}
} else {
value_text = JSON::print(default_value);
}
} else {
value_text = JSON::print(default_value);
}
if (!value_text.is_empty()) {
symbol.detail += " = " + value_text;
}
r_symbol.children.push_back(symbol);
} break;
case ClassNode::Member::ENUM_VALUE: {
lsp::DocumentSymbol symbol;
symbol.name = m.enum_value.identifier->name;
symbol.kind = lsp::SymbolKind::EnumMember;
symbol.deprecated = false;
symbol.range.start.line = LINE_NUMBER_TO_INDEX(m.enum_value.line);
symbol.range.start.character = LINE_NUMBER_TO_INDEX(m.enum_value.leftmost_column);
symbol.range.end.line = LINE_NUMBER_TO_INDEX(m.enum_value.line);
symbol.range.end.character = LINE_NUMBER_TO_INDEX(m.enum_value.rightmost_column);
symbol.selectionRange.start.line = LINE_NUMBER_TO_INDEX(m.enum_value.line);
symbol.documentation = parse_documentation(LINE_NUMBER_TO_INDEX(m.enum_value.line));
symbol.uri = uri;
symbol.script_path = path;
symbol.detail = symbol.name + " = " + itos(m.enum_value.value);
r_symbol.children.push_back(symbol);
} break;
case ClassNode::Member::SIGNAL: {
lsp::DocumentSymbol symbol;
symbol.name = m.signal->identifier->name;
symbol.kind = lsp::SymbolKind::Event;
symbol.deprecated = false;
symbol.range.start.line = LINE_NUMBER_TO_INDEX(m.signal->start_line);
symbol.range.start.character = LINE_NUMBER_TO_INDEX(m.signal->start_column);
symbol.range.end.line = LINE_NUMBER_TO_INDEX(m.signal->end_line);
symbol.range.end.character = LINE_NUMBER_TO_INDEX(m.signal->end_column);
symbol.selectionRange.start.line = symbol.range.start.line;
symbol.documentation = parse_documentation(LINE_NUMBER_TO_INDEX(m.signal->start_line));
symbol.uri = uri;
symbol.script_path = path;
symbol.detail = "signal " + String(m.signal->identifier->name) + "(";
for (int j = 0; j < m.signal->parameters.size(); j++) {
if (j > 0) {
symbol.detail += ", ";
}
symbol.detail += m.signal->parameters[i]->identifier->name;
}
symbol.detail += ")";
r_symbol.children.push_back(symbol);
} break;
case ClassNode::Member::ENUM: {
lsp::DocumentSymbol symbol;
symbol.kind = lsp::SymbolKind::Enum;
symbol.range.start.line = LINE_NUMBER_TO_INDEX(m.m_enum->start_line);
symbol.range.start.character = LINE_NUMBER_TO_INDEX(m.m_enum->start_column);
symbol.range.end.line = LINE_NUMBER_TO_INDEX(m.m_enum->end_line);
symbol.range.end.character = LINE_NUMBER_TO_INDEX(m.m_enum->end_column);
symbol.selectionRange.start.line = symbol.range.start.line;
symbol.documentation = parse_documentation(LINE_NUMBER_TO_INDEX(m.m_enum->start_line));
symbol.uri = uri;
symbol.script_path = path;
symbol.detail = "enum " + String(m.m_enum->identifier->name) + "{";
for (int j = 0; j < m.m_enum->values.size(); j++) {
if (j > 0) {
symbol.detail += ", ";
}
symbol.detail += String(m.m_enum->values[j].identifier->name) + " = " + itos(m.m_enum->values[j].value);
}
symbol.detail += "}";
r_symbol.children.push_back(symbol);
} break;
case ClassNode::Member::FUNCTION: {
lsp::DocumentSymbol symbol;
parse_function_symbol(m.function, symbol);
r_symbol.children.push_back(symbol);
} break;
case ClassNode::Member::CLASS: {
lsp::DocumentSymbol symbol;
parse_class_symbol(m.m_class, symbol);
r_symbol.children.push_back(symbol);
} break;
case ClassNode::Member::UNDEFINED:
break; // Unreachable.
}
}
}
void ExtendGDScriptParser::parse_function_symbol(const GDScriptParser::FunctionNode *p_func, lsp::DocumentSymbol &r_symbol) {
const String uri = get_uri();
r_symbol.name = p_func->identifier->name;
r_symbol.kind = lsp::SymbolKind::Function;
r_symbol.detail = "func " + String(p_func->identifier->name) + "(";
r_symbol.deprecated = false;
r_symbol.range.start.line = LINE_NUMBER_TO_INDEX(p_func->start_line);
r_symbol.range.start.character = LINE_NUMBER_TO_INDEX(p_func->start_column);
r_symbol.range.end.line = LINE_NUMBER_TO_INDEX(p_func->start_line);
r_symbol.range.end.character = LINE_NUMBER_TO_INDEX(p_func->end_column);
r_symbol.selectionRange.start.line = r_symbol.range.start.line;
r_symbol.documentation = parse_documentation(LINE_NUMBER_TO_INDEX(p_func->start_line));
r_symbol.uri = uri;
r_symbol.script_path = path;
String parameters;
for (int i = 0; i < p_func->parameters.size(); i++) {
const ParameterNode *parameter = p_func->parameters[i];
lsp::DocumentSymbol symbol;
symbol.kind = lsp::SymbolKind::Variable;
symbol.name = parameter->identifier->name;
symbol.range.start.line = LINE_NUMBER_TO_INDEX(parameter->start_line);
symbol.range.start.character = LINE_NUMBER_TO_INDEX(parameter->start_line);
symbol.range.end.line = LINE_NUMBER_TO_INDEX(parameter->end_line);
symbol.range.end.character = LINE_NUMBER_TO_INDEX(parameter->end_column);
symbol.uri = uri;
symbol.script_path = path;
r_symbol.children.push_back(symbol);
if (i > 0) {
parameters += ", ";
}
parameters += String(parameter->identifier->name);
if (parameter->get_datatype().is_hard_type()) {
parameters += ": " + parameter->get_datatype().to_string();
}
if (parameter->default_value != nullptr) {
String value = JSON::print(parameter->default_value->reduced_value);
parameters += " = " + value;
}
}
r_symbol.detail += parameters + ")";
if (p_func->get_datatype().is_hard_type()) {
r_symbol.detail += " -> " + p_func->get_datatype().to_string();
}
List<GDScriptParser::SuiteNode *> function_nodes;
List<GDScriptParser::Node *> node_stack;
node_stack.push_back(p_func->body);
while (!node_stack.is_empty()) {
GDScriptParser::Node *node = node_stack[0];
node_stack.pop_front();
switch (node->type) {
case GDScriptParser::TypeNode::IF: {
GDScriptParser::IfNode *if_node = (GDScriptParser::IfNode *)node;
node_stack.push_back(if_node->true_block);
if (if_node->false_block) {
node_stack.push_back(if_node->false_block);
}
} break;
case GDScriptParser::TypeNode::FOR: {
GDScriptParser::ForNode *for_node = (GDScriptParser::ForNode *)node;
node_stack.push_back(for_node->loop);
} break;
case GDScriptParser::TypeNode::WHILE: {
GDScriptParser::WhileNode *while_node = (GDScriptParser::WhileNode *)node;
node_stack.push_back(while_node->loop);
} break;
case GDScriptParser::TypeNode::MATCH_BRANCH: {
GDScriptParser::MatchBranchNode *match_node = (GDScriptParser::MatchBranchNode *)node;
node_stack.push_back(match_node->block);
} break;
case GDScriptParser::TypeNode::SUITE: {
GDScriptParser::SuiteNode *suite_node = (GDScriptParser::SuiteNode *)node;
function_nodes.push_back(suite_node);
for (int i = 0; i < suite_node->statements.size(); ++i) {
node_stack.push_back(suite_node->statements[i]);
}
} break;
default:
continue;
}
}
for (List<GDScriptParser::SuiteNode *>::Element *N = function_nodes.front(); N; N = N->next()) {
const GDScriptParser::SuiteNode *suite_node = N->get();
for (int i = 0; i < suite_node->locals.size(); i++) {
const SuiteNode::Local &local = suite_node->locals[i];
lsp::DocumentSymbol symbol;
symbol.name = local.name;
symbol.kind = local.type == SuiteNode::Local::CONSTANT ? lsp::SymbolKind::Constant : lsp::SymbolKind::Variable;
symbol.range.start.line = LINE_NUMBER_TO_INDEX(local.start_line);
symbol.range.start.character = LINE_NUMBER_TO_INDEX(local.start_column);
symbol.range.end.line = LINE_NUMBER_TO_INDEX(local.end_line);
symbol.range.end.character = LINE_NUMBER_TO_INDEX(local.end_column);
symbol.uri = uri;
symbol.script_path = path;
symbol.detail = local.type == SuiteNode::Local::CONSTANT ? "const " : "var ";
symbol.detail += symbol.name;
if (local.get_datatype().is_hard_type()) {
symbol.detail += ": " + local.get_datatype().to_string();
}
symbol.documentation = parse_documentation(LINE_NUMBER_TO_INDEX(local.start_line));
r_symbol.children.push_back(symbol);
}
}
}
String ExtendGDScriptParser::parse_documentation(int p_line, bool p_docs_down) {
ERR_FAIL_INDEX_V(p_line, lines.size(), String());
List<String> doc_lines;
if (!p_docs_down) { // inline comment
String inline_comment = lines[p_line];
int comment_start = inline_comment.find("#");
if (comment_start != -1) {
inline_comment = inline_comment.substr(comment_start, inline_comment.length()).strip_edges();
if (inline_comment.length() > 1) {
doc_lines.push_back(inline_comment.substr(1, inline_comment.length()));
}
}
}
int step = p_docs_down ? 1 : -1;
int start_line = p_docs_down ? p_line : p_line - 1;
for (int i = start_line; true; i += step) {
if (i < 0 || i >= lines.size()) {
break;
}
String line_comment = lines[i].strip_edges(true, false);
if (line_comment.begins_with("#")) {
line_comment = line_comment.substr(1, line_comment.length());
if (p_docs_down) {
doc_lines.push_back(line_comment);
} else {
doc_lines.push_front(line_comment);
}
} else {
break;
}
}
String doc;
for (List<String>::Element *E = doc_lines.front(); E; E = E->next()) {
doc += E->get() + "\n";
}
return doc;
}
String ExtendGDScriptParser::get_text_for_completion(const lsp::Position &p_cursor) const {
String longthing;
int len = lines.size();
for (int i = 0; i < len; i++) {
if (i == p_cursor.line) {
longthing += lines[i].substr(0, p_cursor.character);
longthing += String::chr(0xFFFF); //not unicode, represents the cursor
longthing += lines[i].substr(p_cursor.character, lines[i].size());
} else {
longthing += lines[i];
}
if (i != len - 1) {
longthing += "\n";
}
}
return longthing;
}
String ExtendGDScriptParser::get_text_for_lookup_symbol(const lsp::Position &p_cursor, const String &p_symbol, bool p_func_requred) const {
String longthing;
int len = lines.size();
for (int i = 0; i < len; i++) {
if (i == p_cursor.line) {
String line = lines[i];
String first_part = line.substr(0, p_cursor.character);
String last_part = line.substr(p_cursor.character + 1, lines[i].length());
if (!p_symbol.is_empty()) {
String left_cursor_text;
for (int c = p_cursor.character - 1; c >= 0; c--) {
left_cursor_text = line.substr(c, p_cursor.character - c);
if (p_symbol.begins_with(left_cursor_text)) {
first_part = line.substr(0, c);
first_part += p_symbol;
break;
}
}
}
longthing += first_part;
longthing += String::chr(0xFFFF); //not unicode, represents the cursor
if (p_func_requred) {
longthing += "("; // tell the parser this is a function call
}
longthing += last_part;
} else {
longthing += lines[i];
}
if (i != len - 1) {
longthing += "\n";
}
}
return longthing;
}
String ExtendGDScriptParser::get_identifier_under_position(const lsp::Position &p_position, Vector2i &p_offset) const {
ERR_FAIL_INDEX_V(p_position.line, lines.size(), "");
String line = lines[p_position.line];
ERR_FAIL_INDEX_V(p_position.character, line.size(), "");
int start_pos = p_position.character;
for (int c = p_position.character; c >= 0; c--) {
start_pos = c;
char32_t ch = line[c];
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++) {
char32_t 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 = nullptr;
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;
}
Error ExtendGDScriptParser::get_left_function_call(const lsp::Position &p_position, lsp::Position &r_func_pos, int &r_arg_index) const {
ERR_FAIL_INDEX_V(p_position.line, lines.size(), ERR_INVALID_PARAMETER);
int bracket_stack = 0;
int index = 0;
bool found = false;
for (int l = p_position.line; l >= 0; --l) {
String line = lines[l];
int c = line.length() - 1;
if (l == p_position.line) {
c = MIN(c, p_position.character - 1);
}
while (c >= 0) {
const char32_t &character = line[c];
if (character == ')') {
++bracket_stack;
} else if (character == '(') {
--bracket_stack;
if (bracket_stack < 0) {
found = true;
}
}
if (bracket_stack <= 0 && character == ',') {
++index;
}
--c;
if (found) {
r_func_pos.character = c;
break;
}
}
if (found) {
r_func_pos.line = l;
r_arg_index = index;
return OK;
}
}
return ERR_METHOD_NOT_FOUND;
}
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.is_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 nullptr;
}
const List<lsp::DocumentLink> &ExtendGDScriptParser::get_document_links() const {
return document_links;
}
const Array &ExtendGDScriptParser::get_member_completions() {
if (member_completions.is_empty()) {
const String *name = members.next(nullptr);
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(nullptr);
while (_class) {
const ClassMembers *inner_class = inner_classes.getptr(*_class);
const String *member_name = inner_class->next(nullptr);
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;
}
Dictionary ExtendGDScriptParser::dump_function_api(const GDScriptParser::FunctionNode *p_func) const {
Dictionary func;
ERR_FAIL_NULL_V(p_func, func);
func["name"] = p_func->identifier->name;
func["return_type"] = p_func->get_datatype().to_string();
func["rpc_mode"] = p_func->rpc_mode;
Array parameters;
for (int i = 0; i < p_func->parameters.size(); i++) {
Dictionary arg;
arg["name"] = p_func->parameters[i]->identifier->name;
arg["type"] = p_func->parameters[i]->get_datatype().to_string();
if (p_func->parameters[i]->default_value != nullptr) {
arg["default_value"] = p_func->parameters[i]->default_value->reduced_value;
}
parameters.push_back(arg);
}
if (const lsp::DocumentSymbol *symbol = get_symbol_defined_at_line(LINE_NUMBER_TO_INDEX(p_func->start_line))) {
func["signature"] = symbol->detail;
func["description"] = symbol->documentation;
}
func["arguments"] = parameters;
return func;
}
Dictionary ExtendGDScriptParser::dump_class_api(const GDScriptParser::ClassNode *p_class) const {
Dictionary class_api;
ERR_FAIL_NULL_V(p_class, class_api);
class_api["name"] = p_class->identifier != nullptr ? String(p_class->identifier->name) : String();
class_api["path"] = path;
Array extends_class;
for (int i = 0; i < p_class->extends.size(); i++) {
extends_class.append(String(p_class->extends[i]));
}
class_api["extends_class"] = extends_class;
class_api["extends_file"] = String(p_class->extends_path);
class_api["icon"] = String(p_class->icon_path);
if (const lsp::DocumentSymbol *symbol = get_symbol_defined_at_line(LINE_NUMBER_TO_INDEX(p_class->start_line))) {
class_api["signature"] = symbol->detail;
class_api["description"] = symbol->documentation;
}
Array nested_classes;
Array constants;
Array members;
Array signals;
Array methods;
Array static_functions;
for (int i = 0; i < p_class->members.size(); i++) {
const ClassNode::Member &m = p_class->members[i];
switch (m.type) {
case ClassNode::Member::CLASS:
nested_classes.push_back(dump_class_api(m.m_class));
break;
case ClassNode::Member::CONSTANT: {
Dictionary api;
api["name"] = m.constant->identifier->name;
api["value"] = m.constant->initializer->reduced_value;
api["data_type"] = m.constant->get_datatype().to_string();
if (const lsp::DocumentSymbol *symbol = get_symbol_defined_at_line(LINE_NUMBER_TO_INDEX(m.constant->start_line))) {
api["signature"] = symbol->detail;
api["description"] = symbol->documentation;
}
constants.push_back(api);
} break;
case ClassNode::Member::ENUM_VALUE: {
Dictionary api;
api["name"] = m.enum_value.identifier->name;
api["value"] = m.enum_value.value;
api["data_type"] = m.get_datatype().to_string();
if (const lsp::DocumentSymbol *symbol = get_symbol_defined_at_line(LINE_NUMBER_TO_INDEX(m.enum_value.line))) {
api["signature"] = symbol->detail;
api["description"] = symbol->documentation;
}
constants.push_back(api);
} break;
case ClassNode::Member::ENUM: {
Dictionary enum_dict;
for (int j = 0; j < m.m_enum->values.size(); j++) {
enum_dict[m.m_enum->values[j].identifier->name] = m.m_enum->values[j].value;
}
Dictionary api;
api["name"] = m.m_enum->identifier->name;
api["value"] = enum_dict;
api["data_type"] = m.get_datatype().to_string();
if (const lsp::DocumentSymbol *symbol = get_symbol_defined_at_line(LINE_NUMBER_TO_INDEX(m.m_enum->start_line))) {
api["signature"] = symbol->detail;
api["description"] = symbol->documentation;
}
constants.push_back(api);
} break;
case ClassNode::Member::VARIABLE: {
Dictionary api;
api["name"] = m.variable->identifier->name;
api["data_type"] = m.variable->get_datatype().to_string();
api["default_value"] = m.variable->initializer != nullptr ? m.variable->initializer->reduced_value : Variant();
api["setter"] = m.variable->setter ? ("@" + String(m.variable->identifier->name) + "_setter") : (m.variable->setter_pointer != nullptr ? String(m.variable->setter_pointer->name) : String());
api["getter"] = m.variable->getter ? ("@" + String(m.variable->identifier->name) + "_getter") : (m.variable->getter_pointer != nullptr ? String(m.variable->getter_pointer->name) : String());
api["export"] = m.variable->exported;
if (const lsp::DocumentSymbol *symbol = get_symbol_defined_at_line(LINE_NUMBER_TO_INDEX(m.variable->start_line))) {
api["signature"] = symbol->detail;
api["description"] = symbol->documentation;
}
members.push_back(api);
} break;
case ClassNode::Member::SIGNAL: {
Dictionary api;
api["name"] = m.signal->identifier->name;
Array pars;
for (int j = 0; j < m.signal->parameters.size(); j++) {
pars.append(String(m.signal->parameters[i]->identifier->name));
}
api["arguments"] = pars;
if (const lsp::DocumentSymbol *symbol = get_symbol_defined_at_line(LINE_NUMBER_TO_INDEX(m.signal->start_line))) {
api["signature"] = symbol->detail;
api["description"] = symbol->documentation;
}
signals.push_back(api);
} break;
case ClassNode::Member::FUNCTION: {
if (m.function->is_static) {
static_functions.append(dump_function_api(m.function));
} else {
methods.append(dump_function_api(m.function));
}
} break;
case ClassNode::Member::UNDEFINED:
break; // Unreachable.
}
}
class_api["sub_classes"] = nested_classes;
class_api["constants"] = constants;
class_api["members"] = members;
class_api["signals"] = signals;
class_api["methods"] = methods;
class_api["static_functions"] = static_functions;
return class_api;
}
Dictionary ExtendGDScriptParser::generate_api() const {
Dictionary api;
const GDScriptParser::Node *head = get_tree();
if (const GDScriptParser::ClassNode *gdclass = dynamic_cast<const GDScriptParser::ClassNode *>(head)) {
api = dump_class_api(gdclass);
}
return api;
}
Error ExtendGDScriptParser::parse(const String &p_code, const String &p_path) {
path = p_path;
lines = p_code.split("\n");
Error err = GDScriptParser::parse(p_code, p_path, false);
if (err == OK) {
GDScriptAnalyzer analyzer(this);
err = analyzer.analyze();
}
update_diagnostics();
update_symbols();
update_document_links(p_code);
return err;
}
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