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office-gobmx/idlc/source/idlc.cxx
Noel Grandin 4729774b24 remove unnecessary check for null when calling delete 
Idea originally from caolan.
Found using the following command:
find . -name *.cxx | xargs /opt/local/bin/grep -zlP '(?m)if\s*\(\s*\w+\s*\)\s*delete\s+\w+\;'

Change-Id: I3338f4e22193a6dfd6219c8c75835224a3392763
2015-06-15 14:46:41 +02:00

403 lines
12 KiB
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <idlc/idlc.hxx>
#include <idlc/errorhandler.hxx>
#include <idlc/astscope.hxx>
#include <idlc/astmodule.hxx>
#include <idlc/astservice.hxx>
#include <idlc/astconstants.hxx>
#include <idlc/astexception.hxx>
#include <idlc/astenum.hxx>
#include <idlc/astinterface.hxx>
#include <idlc/astoperation.hxx>
#include <idlc/astbasetype.hxx>
#include "idlc/astdeclaration.hxx"
#include "idlc/astparameter.hxx"
#include "idlc/astsequence.hxx"
#include "idlc/asttype.hxx"
#include "idlc/asttypedef.hxx"
#include <osl/diagnose.h>
#include <osl/file.hxx>
#include <osl/thread.h>
#include <algorithm>
AstDeclaration* SAL_CALL scopeAsDecl(AstScope* pScope)
{
if (pScope == NULL) return NULL;
switch( pScope->getScopeNodeType() )
{
case NT_service:
case NT_singleton:
return static_cast<AstService*>(pScope);
case NT_module:
case NT_root:
return static_cast<AstModule*>(pScope);
case NT_constants:
return static_cast<AstConstants*>(pScope);
case NT_interface:
return static_cast<AstInterface*>(pScope);
case NT_operation:
return static_cast<AstOperation*>(pScope);
case NT_exception:
return static_cast<AstException*>(pScope);
case NT_struct:
return static_cast<AstStruct*>(pScope);
case NT_enum:
return static_cast<AstEnum*>(pScope);
default:
return NULL;
}
}
AstScope* SAL_CALL declAsScope(AstDeclaration* pDecl)
{
if (pDecl == NULL) return NULL;
switch(pDecl->getNodeType())
{
case NT_interface:
return static_cast<AstInterface*>(pDecl);
case NT_service:
case NT_singleton:
return static_cast<AstService*>(pDecl);
case NT_module:
case NT_root:
return static_cast<AstModule*>(pDecl);
case NT_constants:
return static_cast<AstConstants*>(pDecl);
case NT_exception:
return static_cast<AstException*>(pDecl);
case NT_struct:
return static_cast<AstStruct*>(pDecl);
case NT_enum:
return static_cast<AstEnum*>(pDecl);
case NT_operation:
return static_cast<AstOperation*>(pDecl);
default:
return NULL;
}
}
static void SAL_CALL predefineXInterface(AstModule* pRoot)
{
// define the modules com::sun::star::uno
AstModule* pParentScope = pRoot;
AstModule* pModule = new AstModule(OString("com"), pParentScope);
pModule->setPredefined(true);
pParentScope->addDeclaration(pModule);
pParentScope = pModule;
pModule = new AstModule(OString("sun"), pParentScope);
pModule->setPredefined(true);
pParentScope->addDeclaration(pModule);
pParentScope = pModule;
pModule = new AstModule(OString("star"), pParentScope);
pModule->setPredefined(true);
pParentScope->addDeclaration(pModule);
pParentScope = pModule;
pModule = new AstModule(OString("uno"), pParentScope);
pModule->setPredefined(true);
pParentScope->addDeclaration(pModule);
pParentScope = pModule;
// define XInterface
AstInterface* pInterface = new AstInterface(OString("XInterface"), NULL, pParentScope);
pInterface->setDefined();
pInterface->setPredefined(true);
pInterface->setPublished();
pParentScope->addDeclaration(pInterface);
// define XInterface::queryInterface
AstOperation* pOp = new AstOperation(static_cast<AstType*>(pRoot->lookupPrimitiveType(ET_any)),
OString("queryInterface"), pInterface);
AstParameter* pParam = new AstParameter(DIR_IN, false,
static_cast<AstType*>(pRoot->lookupPrimitiveType(ET_type)),
OString("aType"), pOp);
pOp->addDeclaration(pParam);
pInterface->addMember(pOp);
// define XInterface::acquire
pOp = new AstOperation(static_cast<AstType*>(pRoot->lookupPrimitiveType(ET_void)),
OString("acquire"), pInterface);
pInterface->addMember(pOp);
// define XInterface::release
pOp = new AstOperation(static_cast<AstType*>(pRoot->lookupPrimitiveType(ET_void)),
OString("release"), pInterface);
pInterface->addMember(pOp);
}
static void SAL_CALL initializePredefinedTypes(AstModule* pRoot)
{
if ( pRoot )
{
AstBaseType* pPredefined = new AstBaseType(ET_long, OString("long"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_ulong, OString("unsigned long"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_hyper, OString("hyper"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_uhyper, OString("unsigned hyper"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_short, OString("short"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_ushort, OString("unsigned short"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_float, OString("float"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_double, OString("double"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_char, OString("char"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_byte, OString("byte"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_any, OString("any"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_string, OString("string"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_type, OString("type"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_boolean, OString("boolean"), pRoot);
pRoot->addDeclaration(pPredefined);
pPredefined = new AstBaseType(ET_void, OString("void"), pRoot);
pRoot->addDeclaration(pPredefined);
}
}
Idlc::Idlc(Options* pOptions)
: m_pOptions(pOptions)
, m_bIsDocValid(false)
, m_bIsInMainfile(true)
, m_published(false)
, m_errorCount(0)
, m_warningCount(0)
, m_lineNumber(0)
, m_offsetStart(0)
, m_offsetEnd(0)
, m_parseState(PS_NoState)
{
m_pScopes = new AstStack();
// init root object after construction
m_pRoot = NULL;
m_pErrorHandler = new ErrorHandler();
m_bGenerateDoc = m_pOptions->isValid("-C");
}
Idlc::~Idlc()
{
delete m_pRoot;
delete m_pScopes;
delete m_pErrorHandler;
}
void Idlc::init()
{
delete m_pRoot;
m_pRoot = new AstModule(NT_root, OString(), NULL);
// push the root node on the stack
m_pScopes->push(m_pRoot);
initializePredefinedTypes(m_pRoot);
predefineXInterface(m_pRoot);
}
void Idlc::reset()
{
m_bIsDocValid = false;
m_bIsInMainfile = true;
m_published = false;
m_errorCount = 0;
m_warningCount = 0;
m_lineNumber = 0;
m_parseState = PS_NoState;
m_fileName.clear();
m_mainFileName.clear();
m_realFileName.clear();
m_documentation.clear();
m_pScopes->clear();
delete m_pRoot;
m_pRoot = new AstModule(NT_root, OString(), NULL);
// push the root node on the stack
m_pScopes->push(m_pRoot);
initializePredefinedTypes(m_pRoot);
m_includes.clear();
}
OUString Idlc::processDocumentation()
{
OUString doc;
if (m_bIsDocValid) {
OString raw(getDocumentation());
if (m_bGenerateDoc) {
doc = OStringToOUString(raw, RTL_TEXTENCODING_UTF8);
} else if (raw.indexOf("@deprecated") != -1) {
//TODO: this check is somewhat crude
doc = "@deprecated";
}
}
return doc;
}
static void lcl_writeString(::osl::File & rFile, ::osl::FileBase::RC & o_rRC,
OString const& rString)
{
sal_uInt64 nWritten(0);
if (::osl::FileBase::E_None == o_rRC) {
o_rRC = rFile.write(rString.getStr(), rString.getLength(), nWritten);
if (static_cast<sal_uInt64>(rString.getLength()) != nWritten) {
o_rRC = ::osl::FileBase::E_INVAL; //?
}
}
}
struct WriteDep
{
::osl::File& m_rFile;
::osl::FileBase::RC & m_rRC;
explicit WriteDep(::osl::File & rFile, ::osl::FileBase::RC & rRC)
: m_rFile(rFile), m_rRC(rRC) { }
void operator() (OString const& rEntry)
{
lcl_writeString(m_rFile, m_rRC, " \\\n ");
lcl_writeString(m_rFile, m_rRC, rEntry);
}
};
// write a dummy target for one included file, so the incremental build does
// not break with "No rule to make target" if the included file is removed
struct WriteDummy
{
::osl::File& m_rFile;
::osl::FileBase::RC & m_rRC;
explicit WriteDummy(::osl::File & rFile, ::osl::FileBase::RC & rRC)
: m_rFile(rFile), m_rRC(rRC) { }
void operator() (OString const& rEntry)
{
lcl_writeString(m_rFile, m_rRC, rEntry);
lcl_writeString(m_rFile, m_rRC, ":\n\n");
}
};
bool
Idlc::dumpDeps(OString const& rDepFile, OString const& rTarget)
{
::osl::File depFile(
OStringToOUString(rDepFile, osl_getThreadTextEncoding()));
::osl::FileBase::RC rc =
depFile.open(osl_File_OpenFlag_Write | osl_File_OpenFlag_Create);
if (::osl::FileBase::E_None != rc) {
return false;
}
lcl_writeString(depFile, rc, rTarget);
if (::osl::FileBase::E_None != rc) {
return false;
}
lcl_writeString(depFile, rc, " :");
if (::osl::FileBase::E_None != rc) {
return false;
}
m_includes.erase(getRealFileName()); // eeek, that is a temp file...
::std::for_each(m_includes.begin(), m_includes.end(),
WriteDep(depFile, rc));
lcl_writeString(depFile, rc, "\n\n");
::std::for_each(m_includes.begin(), m_includes.end(),
WriteDummy(depFile, rc));
if (::osl::FileBase::E_None != rc) {
return false;
}
rc = depFile.close();
return ::osl::FileBase::E_None == rc;
}
static Idlc* pStaticIdlc = NULL;
Idlc* SAL_CALL idlc()
{
return pStaticIdlc;
}
Idlc* SAL_CALL setIdlc(Options* pOptions)
{
delete pStaticIdlc;
pStaticIdlc = new Idlc(pOptions);
pStaticIdlc->init();
return pStaticIdlc;
}
AstDeclaration const * resolveTypedefs(AstDeclaration const * type) {
if (type != 0) {
while (type->getNodeType() == NT_typedef) {
type = static_cast< AstTypeDef const * >(type)->getBaseType();
}
}
return type;
}
AstDeclaration const * deconstructAndResolveTypedefs(
AstDeclaration const * type, sal_Int32 * rank)
{
*rank = 0;
for (;;) {
if (type == 0) {
return 0;
}
switch (type->getNodeType()) {
case NT_typedef:
type = static_cast< AstTypeDef const * >(type)->getBaseType();
break;
case NT_sequence:
++(*rank);
type = static_cast< AstSequence const * >(type)->getMemberType();
break;
default:
return type;
}
}
}
AstInterface const * resolveInterfaceTypedefs(AstType const * type) {
AstDeclaration const * decl = resolveTypedefs(type);
OSL_ASSERT(decl->getNodeType() == NT_interface);
return static_cast< AstInterface const * >(decl);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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