source: src/Common/Examine.cc @ 18fe0fe

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// Examine.h --
//
// Author           : Andrew Beach
// Created On       : Wed Sept 2 14:02 2020
// Last Modified By : Andrew Beach
// Last Modified On : Wed Sep  8 12:15 2020
// Update Count     : 0
//

#include "Common/Examine.h"

#include "CodeGen/OperatorTable.h"

DeclarationWithType * isMainFor( FunctionDecl * func, AggregateDecl::Aggregate kind ) {
        if (func->name != "main") return nullptr;
        if (func->type->parameters.size() != 1) return nullptr;

        auto param = func->type->parameters.front();

        auto type = dynamic_cast<ReferenceType * >(param->get_type());
        if (!type) return nullptr;

        auto obj = dynamic_cast<StructInstType *>(type->base);
        if (!obj) return nullptr;

        if (kind != obj->baseStruct->kind) return nullptr;

        return param;
}

namespace {
        Type * getDestructorParam( FunctionDecl * func ) {
                if ( !CodeGen::isDestructor( func->name ) ) return nullptr;

                auto params = func->type->parameters;
                if ( 1 != params.size() ) return nullptr;

                auto ref = dynamic_cast<ReferenceType *>( params.front()->get_type() );
                if ( ref ) {
                        return ref->base;
                }
                return nullptr;
        }
}

bool isDestructorFor( FunctionDecl * func, StructDecl * type_decl ) {
        if ( Type * type = getDestructorParam( func ) ) {
                auto stype = dynamic_cast<StructInstType *>( type );
                return stype && stype->baseStruct == type_decl;
        }
        return false;
}