DCD/conversion/astconverter.d

115 lines
2.7 KiB
D

/**
* This file is part of DCD, a development tool for the D programming language.
* Copyright (C) 2014 Brian Schott
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
module conversion.astconverter;
import actypes;
import conversion.first;
import conversion.second;
import conversion.third;
import memory.allocators;
import std.allocator;
import std.d.ast;
import std.d.lexer;
import std.d.parser;
import std.typecons;
Scope* generateAutocompleteTrees(const(Token)[] tokens, string symbolFile,
CAllocator symbolAllocator, CAllocator semanticAllocator)
{
Module m = parseModule(tokens, "editor buffer", semanticAllocator, &doesNothing);
auto first = scoped!FirstPass(m, symbolFile, symbolAllocator,
semanticAllocator);
first.run();
SecondPass second = SecondPass(first);
second.run();
ThirdPass third = ThirdPass(second);
third.run();
typeid(typeof(third.rootSymbol)).destroy(third.rootSymbol);
return third.moduleScope;
}
Module parseModuleSimple(const(Token)[] tokens, string fileName, CAllocator p)
{
auto parser = scoped!SimpleParser();
parser.fileName = fileName;
parser.tokens = tokens;
parser.messageFunction = &doesNothing;
parser.allocator = p;
return parser.parseModule();
}
private:
class SimpleParser : Parser
{
override Unittest parseUnittest()
{
expect(tok!"unittest");
skipBraces();
return null;
}
override FunctionBody parseFunctionBody()
{
if (currentIs(tok!";"))
advance();
else if (currentIs(tok!"{"))
skipBraces();
else
{
if (currentIs(tok!"in"))
{
advance();
if (currentIs(tok!"{"))
skipBraces();
if (currentIs(tok!"out"))
{
advance();
if (currentIs(tok!"("))
skipParens();
if (currentIs(tok!"{"))
skipBraces();
}
}
else if (currentIs(tok!"out"))
{
advance();
if (currentIs(tok!"("))
skipParens();
if (currentIs(tok!"{"))
skipBraces();
if (currentIs(tok!"in"))
{
advance();
if (currentIs(tok!"{"))
skipBraces();
}
}
expect(tok!"body");
if (currentIs(tok!"{"))
skipBraces();
}
return null;
}
}
void doesNothing(string a, size_t b, size_t c, string d, bool e) {}