godot/modules/gdscript/language_server/gdscript_extend_parser.cpp
2019-08-11 13:30:15 +08:00

238 lines
9.3 KiB
C++

/*************************************************************************/
/* gdscript_extend_parser.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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"
void ExtendGDScriptParser::update_diagnostics() {
diagnostics.clear();
if (has_error()) {
lsp::Diagnostic diagnostic;
diagnostic.severity = lsp::DiagnosticSeverity::Error;
diagnostic.message = get_error();
diagnostic.source = "gdscript";
diagnostic.code = -1;
lsp::Range range;
lsp::Position pos;
int line = get_error_line() - 1;
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 = 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_message();
diagnostic.source = "gdscript";
diagnostic.code = warning.code;
lsp::Range range;
lsp::Position pos;
int line = warning.line - 1;
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() {
const GDScriptParser::Node *head = get_parse_tree();
if (const GDScriptParser::ClassNode *gdclass = dynamic_cast<const GDScriptParser::ClassNode *>(head)) {
parse_class_symbol(gdclass, class_symbol);
}
}
void ExtendGDScriptParser::parse_class_symbol(const GDScriptParser::ClassNode *p_class, lsp::DocumentSymbol &r_symbol) {
r_symbol.children.clear();
r_symbol.name = p_class->name;
if (r_symbol.name.empty())
r_symbol.name = path.get_file();
r_symbol.kind = lsp::SymbolKind::Class;
r_symbol.detail = p_class->get_datatype().to_string();
r_symbol.deprecated = false;
r_symbol.range.start.line = p_class->line - 1;
r_symbol.range.start.character = p_class->column;
r_symbol.range.end.line = p_class->end_line - 1;
r_symbol.selectionRange.start.line = r_symbol.range.start.line;
for (int i = 0; i < p_class->variables.size(); ++i) {
const GDScriptParser::ClassNode::Member &m = p_class->variables[i];
lsp::DocumentSymbol symbol;
symbol.name = m.identifier;
symbol.kind = lsp::SymbolKind::Variable;
symbol.detail = m.data_type.to_string();
symbol.deprecated = false;
const int line = m.line - 1;
symbol.range.start.line = line;
symbol.range.start.character = lines[line].length() - lines[line].strip_edges(true, false).length();
symbol.range.end.line = line;
symbol.range.end.character = lines[line].length();
symbol.selectionRange.start.line = symbol.range.start.line;
r_symbol.children.push_back(symbol);
}
for (int i = 0; i < p_class->_signals.size(); ++i) {
const GDScriptParser::ClassNode::Signal &signal = p_class->_signals[i];
lsp::DocumentSymbol symbol;
symbol.name = signal.name;
symbol.kind = lsp::SymbolKind::Event;
symbol.deprecated = false;
const int line = signal.line - 1;
symbol.range.start.line = line;
symbol.range.start.character = lines[line].length() - lines[line].strip_edges(true, false).length();
symbol.range.end.line = symbol.range.start.line;
symbol.range.end.character = lines[line].length();
symbol.selectionRange.start.line = symbol.range.start.line;
r_symbol.children.push_back(symbol);
}
for (Map<StringName, GDScriptParser::ClassNode::Constant>::Element *E = p_class->constant_expressions.front(); E; E = E->next()) {
lsp::DocumentSymbol symbol;
symbol.name = E->key();
symbol.kind = lsp::SymbolKind::Constant;
symbol.deprecated = false;
const int line = E->get().expression->line - 1;
symbol.range.start.line = line;
symbol.range.start.character = E->get().expression->column;
symbol.range.end.line = symbol.range.start.line;
symbol.range.end.character = lines[line].length();
symbol.selectionRange.start.line = symbol.range.start.line;
r_symbol.children.push_back(symbol);
}
for (int i = 0; i < p_class->functions.size(); ++i) {
const GDScriptParser::FunctionNode *func = p_class->functions[i];
lsp::DocumentSymbol symbol;
parse_function_symbol(func, symbol);
r_symbol.children.push_back(symbol);
}
for (int i = 0; i < p_class->static_functions.size(); ++i) {
const GDScriptParser::FunctionNode *func = p_class->static_functions[i];
lsp::DocumentSymbol symbol;
parse_function_symbol(func, symbol);
r_symbol.children.push_back(symbol);
}
for (int i = 0; i < p_class->subclasses.size(); ++i) {
const GDScriptParser::ClassNode *subclass = p_class->subclasses[i];
lsp::DocumentSymbol symbol;
parse_class_symbol(subclass, symbol);
r_symbol.children.push_back(symbol);
}
}
void ExtendGDScriptParser::parse_function_symbol(const GDScriptParser::FunctionNode *p_func, lsp::DocumentSymbol &r_symbol) {
r_symbol.name = p_func->name;
r_symbol.kind = lsp::SymbolKind::Function;
r_symbol.detail = p_func->get_datatype().to_string();
r_symbol.deprecated = false;
const int line = p_func->line - 1;
r_symbol.range.start.line = line;
r_symbol.range.start.character = p_func->column;
r_symbol.range.end.line = MAX(p_func->body->end_line - 2, p_func->body->line);
r_symbol.range.end.character = lines[r_symbol.range.end.line].length();
r_symbol.selectionRange.start.line = r_symbol.range.start.line;
for (const Map<StringName, LocalVarNode *>::Element *E = p_func->body->variables.front(); E; E = E->next()) {
lsp::DocumentSymbol symbol;
symbol.name = E->key();
symbol.kind = lsp::SymbolKind::Variable;
symbol.range.start.line = E->get()->line - 1;
symbol.range.start.character = E->get()->column;
symbol.range.end.line = symbol.range.start.line;
symbol.range.end.character = lines[symbol.range.end.line].length();
r_symbol.children.push_back(symbol);
}
for (int i = 0; i < p_func->arguments.size(); i++) {
lsp::DocumentSymbol symbol;
symbol.kind = lsp::SymbolKind::Variable;
symbol.name = p_func->arguments[i];
symbol.range.start.line = p_func->body->line - 1;
symbol.range.start.character = p_func->body->column;
symbol.range.end = symbol.range.start;
r_symbol.children.push_back(symbol);
}
}
String ExtendGDScriptParser::get_text_for_completion(const lsp::Position &p_cursor) {
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;
}
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;
}