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Diffstat (limited to 'idlc/source/astunion.cxx')
| -rw-r--r-- | idlc/source/astunion.cxx | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/idlc/source/astunion.cxx b/idlc/source/astunion.cxx new file mode 100644 index 000000000000..71286353d20a --- /dev/null +++ b/idlc/source/astunion.cxx @@ -0,0 +1,430 @@ +/************************************************************************* + * + * $RCSfile: astunion.cxx,v $ + * + * $Revision: 1.1 $ + * + * last change: $Author: jsc $ $Date: 2001-03-15 12:30:43 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ +#ifndef _IDLC_ASTUNION_HXX_ +#include <idlc/astunion.hxx> +#endif +#ifndef _IDLC_ASTBASETYPE_HXX_ +#include <idlc/astbasetype.hxx> +#endif +#ifndef _IDLC_ERRORHANDLER_HXX_ +#include <idlc/errorhandler.hxx> +#endif + +using namespace ::rtl; + +AstUnion::AstUnion(const ::rtl::OString& name, AstType* pDiscType, AstScope* pScope) + : AstStruct(NT_union, name, NULL, pScope) + , m_pDiscriminantType(pDiscType) + , m_discExprType(ET_long) +{ + AstBaseType* pBaseType; + + if ( !pDiscType ) + { + m_pDiscriminantType = NULL; + m_discExprType = ET_none; + return; + } + /* + * If the discriminator type is a predefined type + * then install the equivalent coercion target type in + * the pd_udisc_type field. + */ + if ( pDiscType->getNodeType() == NT_predefined ) + { + pBaseType = (AstBaseType*)pDiscType; + if ( !pBaseType ) + { + m_pDiscriminantType = NULL; + m_discExprType = ET_none; + return; + } + m_pDiscriminantType = pDiscType; + switch (pBaseType->getExprType()) + { + case ET_long: + case ET_ulong: + case ET_short: + case ET_ushort: + case ET_char: + case ET_boolean: + m_discExprType = pBaseType->getExprType(); + break; + default: + m_discExprType = ET_none; + m_pDiscriminantType = NULL; + break; + } + } else + if (pDiscType->getNodeType() == NT_enum) + { + m_discExprType = ET_any; + m_pDiscriminantType = pDiscType; + } else + { + m_discExprType = ET_none; + m_pDiscriminantType = NULL; + } + + if ( !m_pDiscriminantType ) + idlc()->error()->error2(EIDL_DISC_TYPE, this, pDiscType); +} + +AstUnion::~AstUnion() +{ +} + +AstDeclaration* AstUnion::addDeclaration(AstDeclaration* pDecl) +{ + if ( pDecl->getNodeType() == NT_union_branch ) + { + AstUnionBranch* pBranch = (AstUnionBranch*)pDecl; + if ( lookupBranch(pBranch) ) + { + idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pDecl); + return NULL; + } + } + + return AstScope::addDeclaration(pDecl); +} + +AstUnionBranch* AstUnion::lookupBranch(AstUnionBranch* pBranch) +{ + AstUnionLabel* pLabel = NULL; + + if ( pBranch ) + pLabel = pBranch->getLabel(); + + if ( pLabel ) + { + if (pLabel->getLabelKind() == UL_default) + return lookupDefault(); + if (m_discExprType == ET_any) + /* CONVENTION: indicates enum discr */ + return lookupEnum(pBranch); + return lookupLabel(pBranch); + } + return NULL; +} + +AstUnionBranch* AstUnion::lookupDefault(sal_Bool bReportError) +{ + DeclList::iterator iter = getIteratorBegin(); + DeclList::iterator end = getIteratorEnd(); + AstUnionBranch *pBranch = NULL; + AstDeclaration *pDecl = NULL; + + while ( iter != end ) + { + pDecl = *iter; + if ( pDecl->getNodeType() == NT_union_branch ) + { + pBranch = (AstUnionBranch*)pDecl; + if (pBranch == NULL) + { + iter++; + continue; + } + if ( pBranch->getLabel() != NULL && + pBranch->getLabel()->getLabelKind() == UL_default) + { + if ( bReportError ) + idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pBranch); + return pBranch; + } + } + iter++; + } + return NULL; +} + +AstUnionBranch* AstUnion::lookupLabel(AstUnionBranch* pBranch) +{ + AstUnionLabel* pLabel = pBranch->getLabel(); + + if ( !pLabel->getLabelValue() ) + return pBranch; +// pLabel->getLabelValue()->setExprValue(pLabel->getLabelValue()->coerce(m_discExprType, sal_False)); + AstExprValue* pLabelValue = NULL; + if ( !(pLabelValue = pLabel->getLabelValue()->coerce(m_discExprType, sal_False)) ) + { + idlc()->error()->evalError(pLabel->getLabelValue()); + return pBranch; + } else + { + pLabel->getLabelValue()->setExprValue(pLabelValue); + } + + DeclList::iterator iter = getIteratorBegin(); + DeclList::iterator end = getIteratorEnd(); + AstUnionBranch* pB = NULL; + AstDeclaration* pDecl = NULL; + + while ( iter != end ) + { + pDecl = *iter; + if ( pDecl->getNodeType() == NT_union_branch ) + { + pB = (AstUnionBranch*)pDecl; + if ( !pB ) + { + iter++; + continue; + } + if ( pB->getLabel() != NULL && + pB->getLabel()->getLabelKind() == UL_label && + pB->getLabel()->getLabelValue()->compare(pLabel->getLabelValue()) ) + { + idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pBranch); + return pBranch; + } + } + iter++; + } + return NULL; +} + +AstUnionBranch* AstUnion::lookupEnum(AstUnionBranch* pBranch) +{ + AstType* pType = resolveTypeDef(m_pDiscriminantType); + if ( pType->getNodeType() != NT_enum ) + return NULL; + + AstUnionLabel* pLabel = pBranch->getLabel(); + AstExpression* pExpr = pLabel->getLabelValue(); + if ( !pExpr ) + return pBranch; + + /* + * Expecting a symbol label + */ + if ( pExpr->getCombOperator() != EC_symbol) + { + idlc()->error()->enumValExpected(this, pLabel); + return pBranch; + } + + /* + * See if the symbol defines a constant in the discriminator enum + */ + AstEnum* pEnum = (AstEnum*)pType; + AstDeclaration* pDecl = pEnum->lookupByName(*pExpr->getSymbolicName()); + if ( pDecl == NULL || pDecl->getScope() != pEnum) + { + idlc()->error()->enumValLookupFailure(this, pEnum, *pExpr->getSymbolicName()); + return pBranch; + } + + + DeclList::iterator iter = getIteratorBegin(); + DeclList::iterator end = getIteratorEnd(); + AstUnionBranch* pB = NULL; + pDecl = NULL; + + while ( iter != end ) + { + pDecl = *iter; + if ( pDecl->getNodeType() == NT_union_branch ) + { + pB = (AstUnionBranch*)pDecl; + if ( !pB ) + { + iter++; + continue; + } + if ( pB->getLabel() != NULL && + pB->getLabel()->getLabelKind() == UL_label && + pB->getLabel()->getLabelValue()->compare(pLabel->getLabelValue()) ) + { + idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pBranch); + return pBranch; + } + } + iter++; + } + return NULL; +} + +sal_Bool AstUnion::dump(RegistryKey& rKey, RegistryTypeWriterLoader* pLoader) +{ + RegistryKey localKey; + if (rKey.createKey( OStringToOUString(getFullName(), RTL_TEXTENCODING_UTF8 ), localKey)) + { + fprintf(stderr, "%s: warning, could not create key '%s' in '%s'\n", + idlc()->getOptions()->getProgramName().getStr(), + getFullName().getStr(), rKey.getRegistryName().getStr()); + return sal_False; + } + + sal_uInt16 nMember = getNodeCount(NT_union_branch); + + RegistryTypeWriter aBlob(pLoader->getApi(), RT_TYPE_UNION, + OStringToOUString(getRelativName(), RTL_TEXTENCODING_UTF8), + OStringToOUString(getDiscrimantType()->getScopedName(), RTL_TEXTENCODING_UTF8), + nMember, 0, 0); + + aBlob.setDoku( getDocumentation() ); + aBlob.setFileName( OStringToOUString(getFileName(), RTL_TEXTENCODING_UTF8)); + + if ( nMember > 0 ) + { + DeclList::iterator iter = getIteratorBegin(); + DeclList::iterator end = getIteratorEnd(); + AstDeclaration* pDecl = NULL; + AstUnionBranch* pBranch = NULL; + AstUnionBranch* pDefault = lookupDefault(sal_False); + AstUnionLabel* pLabel = NULL; + AstExprValue* pExprValue = NULL; + RTConstValue aConst; + RTFieldAccess access = RT_ACCESS_READWRITE; + OUString docu; + sal_uInt16 index = 0; + if ( pDefault ) + index = 1; + + sal_Int64 disc = 0; + while ( iter != end ) + { + pDecl = *iter; + if ( pDecl->getNodeType() == NT_union_branch ) + { + pBranch = (AstUnionBranch*)pDecl; + if (pBranch == pDefault) + { + iter++; + continue; + } + + pLabel = pBranch->getLabel(); + pExprValue = pLabel->getLabelValue()->coerce(ET_hyper, sal_False); + aConst.m_type = RT_TYPE_INT64; + aConst.m_value.aHyper = pExprValue->u.hval; + if ( aConst.m_value.aHyper > disc ) + disc = aConst.m_value.aHyper; + + aBlob.setFieldData(index++, + OStringToOUString(pBranch->getLocalName(), RTL_TEXTENCODING_UTF8), + OStringToOUString(pBranch->getType()->getRelativName(), RTL_TEXTENCODING_UTF8), + pBranch->getDocumentation(), OUString(), RT_ACCESS_READWRITE, aConst); + } + iter++; + } + + if ( pDefault ) + { + access = RT_ACCESS_DEFAULT; + aConst.m_type = RT_TYPE_INT64; + aConst.m_value.aHyper = disc + 1; + aBlob.setFieldData(0, + OStringToOUString(pDefault->getLocalName(), RTL_TEXTENCODING_UTF8), + OStringToOUString(pDefault->getType()->getRelativName(), RTL_TEXTENCODING_UTF8), + pDefault->getDocumentation(), OUString(), RT_ACCESS_DEFAULT, aConst); + } + } + + const sal_uInt8* pBlob = aBlob.getBlop(); + sal_uInt32 aBlobSize = aBlob.getBlopSize(); + + if (localKey.setValue(OUString(), RG_VALUETYPE_BINARY, + (RegValue)pBlob, aBlobSize)) + { + fprintf(stderr, "%s: warning, could not set value of key \"%s\" in %s\n", + idlc()->getOptions()->getProgramName().getStr(), + getFullName(), localKey.getRegistryName()); + return sal_False; + } + + return sal_True; +} + +AstUnionBranch::AstUnionBranch(AstUnionLabel* pLabel, AstType* pType, const ::rtl::OString& name, AstScope* pScope) + : AstMember(NT_union_branch, pType, name, pScope) + , m_pLabel(pLabel) +{ +} + +AstUnionBranch::~AstUnionBranch() +{ + if ( m_pLabel ) + delete m_pLabel; +} + +AstUnionLabel::AstUnionLabel() + : m_label(UL_default) + , m_pLabelValue(NULL) +{ +} + +AstUnionLabel::AstUnionLabel(UnionLabel labelKind, AstExpression* pExpr) + : m_label(labelKind) + , m_pLabelValue(pExpr) +{ + if ( m_pLabelValue ) + m_pLabelValue->evaluate(EK_const); +} + +AstUnionLabel::~AstUnionLabel() +{ + if ( m_pLabelValue ) + delete m_pLabelValue; +} + |