DCD/semantic.d

130 lines
3.6 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 semantic;
import messages;
import actypes;
import std.d.ast;
import std.d.lexer;
import stupidlog;
import containers.unrolledlist;
/**
* Intermediate form between ACSymbol and the AST classes. Stores enough
* information to resolve things like base classes and alias this.
*/
struct SemanticSymbol
{
public:
@disable this();
@disable this(this);
/**
* Params:
* name = the name
* kind = the completion kind
* symbolFile = the file name for this symbol
* location = the location of this symbol
*/
this(ACSymbol* acSymbol, const Type type = null)
{
this.acSymbol = acSymbol;
this.type = type;
}
~this()
{
foreach (child; children[])
typeid(typeof(*child)).destroy(child);
}
/**
* Adds a child to the children field and updates the acSymbol's parts field
*/
void addChild(SemanticSymbol* child)
{
children.insert(child);
acSymbol.parts.insert(child.acSymbol);
}
/// Autocompletion symbol
ACSymbol* acSymbol;
/// Base classes
UnrolledList!(string[]) baseClasses;
/// Variable type or function return type
const Type type;
/// Alias this symbols
UnrolledList!(string) aliasThis;
/// MixinTemplates
UnrolledList!(string) mixinTemplates;
/// Protection level for this symobol
IdType protection;
/// Parent symbol
SemanticSymbol* parent;
/// Child symbols
UnrolledList!(SemanticSymbol*) children;
}
/**
* Type of the _argptr variable
*/
Type argptrType;
/**
* Type of _arguments
*/
Type argumentsType;
static this()
{
import std.allocator;
// _argptr has type void*
argptrType = allocate!Type(Mallocator.it);
argptrType.type2 = allocate!Type2(Mallocator.it);
argptrType.type2.builtinType = tok!"void";
TypeSuffix argptrTypeSuffix = allocate!TypeSuffix(Mallocator.it);
argptrTypeSuffix.star = true;
argptrType.typeSuffixes = cast(TypeSuffix[]) Mallocator.it.allocate(TypeSuffix.sizeof);
argptrType.typeSuffixes[0] = argptrTypeSuffix;
// _arguments has type TypeInfo[]
argumentsType = allocate!Type(Mallocator.it);
argumentsType.type2 = allocate!Type2(Mallocator.it);
argumentsType.type2.symbol = allocate!Symbol(Mallocator.it);
argumentsType.type2.symbol.identifierOrTemplateChain = allocate!IdentifierOrTemplateChain(Mallocator.it);
IdentifierOrTemplateInstance i = allocate!IdentifierOrTemplateInstance(Mallocator.it);
i.identifier.text = "TypeInfo";
i.identifier.type = tok!"identifier";
argumentsType.type2.symbol.identifierOrTemplateChain.identifiersOrTemplateInstances =
cast(IdentifierOrTemplateInstance[]) Mallocator.it.allocate(IdentifierOrTemplateInstance.sizeof);
argumentsType.type2.symbol.identifierOrTemplateChain.identifiersOrTemplateInstances[0] = i;
TypeSuffix argumentsTypeSuffix = allocate!TypeSuffix(Mallocator.it);
argumentsTypeSuffix.array = true;
argumentsType.typeSuffixes = cast(TypeSuffix[]) Mallocator.it.allocate(TypeSuffix.sizeof);
argumentsType.typeSuffixes[0] = argumentsTypeSuffix;
}