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Diffstat (limited to '')
-rw-r--r-- | idlc/source/parser.y | 2737 |
1 files changed, 2737 insertions, 0 deletions
diff --git a/idlc/source/parser.y b/idlc/source/parser.y new file mode 100644 index 000000000..29654c32b --- /dev/null +++ b/idlc/source/parser.y @@ -0,0 +1,2737 @@ +/* -*- 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 . + */ + +/* + * parser.yy - BISON grammar for IDLC 1.0 + */ + +%{ +#include <string.h> + +#include <idlc.hxx> +#include <errorhandler.hxx> +#include <fehelper.hxx> +#include <astexpression.hxx> +#include <astconstants.hxx> +#include <astconstant.hxx> +#include <astbasetype.hxx> +#include <asttypedef.hxx> +#include <astexception.hxx> +#include <astmember.hxx> +#include <astenum.hxx> +#include <astsequence.hxx> +#include <astattribute.hxx> +#include <astoperation.hxx> +#include <astparameter.hxx> +#include <astinterfacemember.hxx> +#include <astservicemember.hxx> +#include <astobserves.hxx> +#include <astneeds.hxx> + +#include <aststructinstance.hxx> + +#include "attributeexceptions.hxx" + +#include <rtl/string.hxx> +#include <osl/diagnose.h> + +#include <algorithm> +#include <vector> + + +#define YYDEBUG 1 +#define YYERROR_VERBOSE 1 + +extern int yylex(void); +static void yyerror(char const *); + +static void checkIdentifier(OString const * id) +{ + static short check = 0; + if (check == 0) { + if (idlc()->getOptions()->isValid("-cid")) + check = 1; + else + check = 2; + } + + if ( id->indexOf('_') >= 0 ) + if ( (id->pData->buffer[0] >= 97 && id->pData->buffer[0] <= 122) + || id->pData->buffer[0] == '_') { + if (check == 1) { + OString msg = "mismatched identifier '" + *id + "'"; + ErrorHandler::syntaxError(idlc()->getParseState(), + idlc()->getLineNumber(), + msg.getStr()); + } + else + ErrorHandler::warning0(WarningCode::WrongNamingConvention, id->getStr()); + } +} + +static void reportDoubleMemberDeclarations( + AstInterface::DoubleMemberDeclarations const & doubleMembers) +{ + for (auto const& doubleMember : doubleMembers) + { + ErrorHandler::error2(ErrorCode::DoubleMember, doubleMember.first, doubleMember.second); + } +} + +static void addInheritedInterface( + AstInterface * ifc, OString const & name, bool optional, + OUString const & documentation) +{ + AstDeclaration * decl = ifc->lookupByName(name); + AstDeclaration const * resolved = resolveTypedefs(decl); + if (resolved != nullptr && resolved->getNodeType() == NT_interface) { + if (ErrorHandler::checkPublished(decl)) { + if (!static_cast< AstInterface const * >(resolved)->isDefined()) { + ErrorHandler::inheritanceError( + NT_interface, &ifc->getScopedName(), decl); + } else { + AstInterface::DoubleDeclarations doubleDecls( + ifc->checkInheritedInterfaceClashes( + static_cast< AstInterface const * >(resolved), + optional)); + if (doubleDecls.interfaces.empty() + && doubleDecls.members.empty()) + { + ifc->addInheritedInterface( + static_cast< AstType * >(decl), optional, + documentation); + } else { + for (auto const& elem : doubleDecls.interfaces) + { + ErrorHandler::error1( + ErrorCode::DoubleInheritance, elem); + } + reportDoubleMemberDeclarations(doubleDecls.members); + } + } + } + } else { + ErrorHandler::lookupError( + ErrorCode::InterfaceMemberLookup, name, scopeAsDecl(ifc)); + } +} + +static AstDeclaration const * createNamedType( + OString const * scopedName, DeclList const * typeArgs) +{ + AstDeclaration * decl = idlc()->scopes()->topNonNull()->lookupByName( + *scopedName); + AstDeclaration const * resolved = resolveTypedefs(decl); + if (decl == nullptr) { + ErrorHandler::lookupError(*scopedName); + } else if (!ErrorHandler::checkPublished(decl)) { + decl = nullptr; + } else if (resolved->getNodeType() == NT_struct) { + if (static_cast< AstStruct const * >(resolved)->getTypeParameterCount() + != (typeArgs == nullptr ? 0 : typeArgs->size())) + { + ErrorHandler::error0(ErrorCode::WrongNumberOfTypeArguments); + decl = nullptr; + } else if (typeArgs != nullptr) { + AstScope * global = idlc()->scopes()->bottom(); + AstDeclaration * inst = new AstStructInstance( + static_cast< AstType * >(decl), typeArgs, global); + decl = global->addDeclaration(inst); + if (decl != inst) { + delete inst; + } + } + } else if (decl->isType()) { + if (typeArgs != nullptr) { + ErrorHandler::error0(ErrorCode::WrongNumberOfTypeArguments); + decl = nullptr; + } + } else { + ErrorHandler::noTypeError(decl); + decl = nullptr; + } + delete scopedName; + delete typeArgs; + return decl; +} + +static bool includes(AstDeclaration const * type1, AstDeclaration const * type2) { + OSL_ASSERT(type2 != nullptr); + if (type1 != nullptr) { + if (type1->getNodeType() == NT_instantiated_struct) { + AstStructInstance const * inst + = static_cast< AstStructInstance const * >(type1); + if (inst->getTypeTemplate() == type2) { + return true; + } + for (DeclList::const_iterator i(inst->getTypeArgumentsBegin()); + i != inst->getTypeArgumentsEnd(); ++i) + { + if (includes(*i, type2)) { + return true; + } + } + } else if (type1 == type2) { + return true; + } + } + return false; +} + +// Suppress any warnings from generated code: +#if defined _MSC_VER +#pragma warning(disable: 4702) // unreachable code +#endif +%} +/* + * Declare the type of values in the grammar + */ +%union { + ExprType etval; /* Expression type */ + AstDeclaration* dclval; /* Declaration */ + AstDeclaration const * cdclval; + DeclList * dclsval; + AstExpression* exval; /* expression value */ + FeDeclarator* fdval; /* declarator value */ + FeDeclList* dlval; /* declarator list value */ + FeInheritanceHeader* ihval; /* inheritance header value */ + OString* sval; /* OString value */ + std::vector< OString > * svals; + char* strval; /* char* value */ + bool bval; /* sal_Boolean* value */ + sal_Int64 ival; /* sal_Int64 value */ + sal_uInt64 uval; /* sal_uInt64 value */ + sal_uInt32 ulval; /* sal_uInt32 value */ + double dval; /* double value */ + float fval; /* float value */ + std::list< OString >* slval; /* StringList value */ + AttributeExceptions::Part attexcpval; + AttributeExceptions attexcval; +} + +/* + * Token types: These are returned by the lexer + */ + +%token <sval> IDL_IDENTIFIER +%token IDL_ATTRIBUTE +%token IDL_BOUND +%token IDL_CONST +%token IDL_CONSTANTS +%token IDL_CONSTRAINED +%token IDL_ENUM +%token IDL_EXCEPTION +%token IDL_INTERFACE +%token IDL_MAYBEAMBIGUOUS +%token IDL_MAYBEDEFAULT +%token IDL_MAYBEVOID +%token IDL_MODULE +%token IDL_NEEDS +%token IDL_OBSERVES +%token IDL_OPTIONAL +%token IDL_PROPERTY +%token IDL_RAISES +%token IDL_READONLY +%token IDL_REMOVABLE +%token IDL_SERVICE +%token IDL_SEQUENCE +%token IDL_SINGLETON +%token IDL_STRUCT +%token IDL_TYPEDEF +%token IDL_TRANSIENT + +%token IDL_ANY +%token IDL_CHAR +%token IDL_BOOLEAN +%token IDL_BYTE +%token IDL_DOUBLE +%token IDL_FLOAT +%token IDL_HYPER +%token IDL_LONG +%token IDL_SHORT +%token IDL_VOID +%token IDL_STRING +%token IDL_TYPE +%token IDL_UNSIGNED + +%token IDL_TRUE +%token IDL_FALSE + +%token IDL_IN +%token IDL_OUT +%token IDL_INOUT + +%token IDL_GET +%token IDL_SET + +%token IDL_PUBLISHED + +%token IDL_ELLIPSIS + +%token <strval> IDL_LEFTSHIFT +%token <strval> IDL_RIGHTSHIFT +%token <strval> IDL_SCOPESEPARATOR + +%token <ival> IDL_INTEGER_LITERAL +%token <uval> IDL_INTEGER_ULITERAL +%token <dval> IDL_FLOATING_PT_LITERAL + +/* + * These are production names: + */ +%type <dclval> type_dcl +%type <dclval> exception_name +%type <cdclval> constructed_type_spec enum_type op_type_spec +%type <cdclval> sequence_type_spec simple_type_spec struct_type +%type <cdclval> type_spec +%type <cdclval> fundamental_type type_arg type_or_parameter +%type <dclsval> opt_raises raises exception_list +%type <attexcpval> opt_attribute_get_raises attribute_get_raises +%type <attexcpval> opt_attribute_set_raises attribute_set_raises +%type <dclsval> opt_type_args type_args + +%type <sval> identifier +%type <sval> interface_decl +%type <sval> scoped_name inheritance_spec +%type <slval> scoped_names at_least_one_scoped_name + +%type <etval> const_type integer_type char_type boolean_type +%type <etval> floating_pt_type any_type signed_int string_type +%type <etval> unsigned_int base_type_spec byte_type type_type + +%type <exval> expression const_expr or_expr xor_expr and_expr +%type <exval> add_expr mult_expr unary_expr primary_expr shift_expr +%type <exval> literal + +%type <fdval> declarator +%type <dlval> declarators at_least_one_declarator + +%type <ihval> exception_header structure_header interfaceheader + +%type <ulval> flag_header opt_attrflags opt_attrflag +%type <ulval> direction service_interface_header service_service_header + +%type <bval> optional_inherited_interface opt_rest opt_service_body + +%type <attexcval> opt_attribute_block attribute_block_rest opt_attribute_raises + +%type <svals> opt_type_params type_params + +%% +/* + * Grammar start here + */ +start : definitions; + +definitions : + definition definitions + | /* EMPTY */ + ; + +definition : + opt_published publishable_definition + | module_dcl + { + idlc()->setParseState(PS_ModuleDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + | error ';' + { + yyerror("definitions"); + yyerrok; + } + ; + +opt_published: + IDL_PUBLISHED { idlc()->setPublished(true); } + | /* empty */ { idlc()->setPublished(false); } + ; + +publishable_definition: + type_dcl + { + idlc()->setParseState(PS_TypeDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + | exception_dcl + { + idlc()->setParseState(PS_ExceptionDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + | interface + { + idlc()->setParseState(PS_InterfaceDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + | service_dcl + { + idlc()->setParseState(PS_ServiceDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + | singleton_dcl + { + idlc()->setParseState(PS_SingletonDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + | constants_dcl + { + idlc()->setParseState(PS_ConstantsDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + ; + +module_dcl : + IDL_MODULE + { + idlc()->setParseState(PS_ModuleSeen); + idlc()->setPublished(false); + } + identifier + { + idlc()->setParseState(PS_ModuleIDSeen); + checkIdentifier($3); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstModule* pModule = nullptr; + + if ( pScope ) + { + pModule = new AstModule(*$3, pScope); + if( AstDeclaration* pExists = pScope->lookupForAdd(pModule) ) + { + pExists->setInMainfile(idlc()->isInMainFile()); + pExists->setFileName(pModule->getFileName()); + if (pExists->isPredefined()) + { + pExists->setPredefined(false); + if (pExists->getDocumentation().getLength() == 0 && + pModule->getDocumentation().getLength() > 0) + { + pExists->setDocumentation(pModule->getDocumentation()); + } + } + delete(pModule); + pModule = static_cast<AstModule*>(pExists); + } else + { + pScope->addDeclaration(pModule); + } + idlc()->scopes()->push(pModule); + } + delete $3; + } + '{' + { + idlc()->setParseState(PS_ModuleSqSeen); + } + definitions + { + idlc()->setParseState(PS_ModuleBodySeen); + } + '}' + { + idlc()->setParseState(PS_ModuleQsSeen); + /* + * Finished with this module - pop it from the scope stack + */ + idlc()->scopes()->pop(); + } + ; + +interface : + interface_dcl + | forward_dcl + ; + +interface_decl : + IDL_INTERFACE + { + idlc()->setParseState(PS_InterfaceSeen); + } + identifier + { + idlc()->setParseState(PS_InterfaceIDSeen); + checkIdentifier($3); + $$ = $3; + } + ; + +forward_dcl : + interface_decl + { + idlc()->setParseState(PS_ForwardDeclSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstInterface* pForward = nullptr; + AstDeclaration* pDecl = nullptr; + + /* + * Make a new forward interface node and add it to its enclosing scope + */ + if ( pScope && $1 ) + { + pForward = new AstInterface(*$1, nullptr, pScope); + + pDecl = pScope->lookupByName(pForward->getScopedName()); + if ( pDecl ) + { + if ( (pDecl != pForward) && + (pDecl->getNodeType() == NT_interface) ) + { + delete pForward; + } else + { + ErrorHandler::error2(ErrorCode::RedefScope, scopeAsDecl(pScope), pDecl); + } + } else + { + /* + * Add the interface to its definition scope + */ + pScope->addDeclaration(pForward); + } + } + delete $1; + } + ; + +interface_dcl : + interfaceheader + { + idlc()->setParseState(PS_InterfaceHeadSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstInterface* pInterface = nullptr; + AstInterface* pForward = nullptr; + + /* + * Make a new interface node and add it to its enclosing scope + */ + if ( pScope && $1 ) + { + pInterface = new AstInterface( + *$1->getName(), + static_cast< AstInterface const * >(resolveTypedefs($1->getInherits())), pScope); + if ( AstDeclaration* pDecl = pScope->lookupByName(pInterface->getScopedName()) ) + { + /* + * See if we're defining a forward declared interface. + */ + if (pDecl->getNodeType() == NT_interface) + { + pForward = static_cast<AstInterface*>(pDecl); + if ( !pForward->isDefined() ) + { + /* + * Check if redefining in same scope + */ + if ( pForward->getScope() != pScope ) + { + if ( pForward->getScopedName() != pInterface->getScopedName() ) + { + ErrorHandler::error3(ErrorCode::ScopeConflict, + pInterface, pForward, scopeAsDecl(pScope)); + } + } + else if ( !pInterface->isPublished() + && pForward->isPublished() ) + { + ErrorHandler::error0(ErrorCode::PublishedForward); + } + /* + * All OK, set full definition + */ + else + { + pForward->forwardDefined(*pInterface); + delete pInterface; + pInterface = pForward; + } + } else { + // special handling for XInterface because it is predefined + if ( pForward->isPredefined() && + pForward->getScopedName() == "com::sun::star::uno::XInterface") + { + /* replace the predefined XInterface */ + *pForward = *pInterface; + delete pInterface; + pInterface = pForward; + } + + } + } + } else + { + /* + * Add the interface to its definition scope + */ + pScope->addDeclaration(pInterface); + } + } + /* + * Push it on the scope stack + */ + idlc()->scopes()->push(pInterface); + delete $1; + } + '{' + { + idlc()->setParseState(PS_InterfaceSqSeen); + } + exports + { + AstInterface * ifc = static_cast< AstInterface * >( + idlc()->scopes()->topNonNull()); + if (!ifc->hasMandatoryInheritedInterfaces() + && ifc->getScopedName() != "com::sun::star::uno::XInterface") + { + addInheritedInterface( + ifc, "::com::sun::star::uno::XInterface", false, + OUString()); + } + ifc->setDefined(); + idlc()->setParseState(PS_InterfaceBodySeen); + } + '}' + { + idlc()->setParseState(PS_InterfaceQsSeen); + /* + * Done with this interface - pop it off the scopes stack + */ + idlc()->scopes()->pop(); + } + | error '}' + { + yyerror("interface definition"); + yyerrok; + } + ; + +interfaceheader : + interface_decl inheritance_spec + { + idlc()->setParseState(PS_InheritSpecSeen); + + $$ = new FeInheritanceHeader(NT_interface, $1, $2, nullptr); + delete $2; + } + ; + +inheritance_spec : + ':' + { + idlc()->setParseState(PS_InheritColonSeen); + } + scoped_name + { + $$ = $3; + } + | /* EMPTY */ + { + $$ = nullptr; + } + ; + +exports : + exports export + | /* EMPTY */ + ; + +export : + attribute + { + idlc()->setParseState(PS_AttributeDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + | operation + { + idlc()->setParseState(PS_OperationDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + | interface_inheritance_decl + { + idlc()->setParseState(PS_InterfaceInheritanceDeclSeen); + } + ';' + { + idlc()->setParseState(PS_NoState); + } + ; + +attribute : + flag_header + simple_type_spec + { + idlc()->setParseState(PS_AttrTypeSeen); + } + declarator + { + idlc()->setParseState(PS_AttrCompleted); + if (($1 & ~(AF_BOUND | AF_READONLY)) != AF_ATTRIBUTE) { + ErrorHandler::flagError(ErrorCode::BadAttributeFlags, $1); + } + AstInterface * scope = static_cast< AstInterface * >( + idlc()->scopes()->top()); + AstAttribute * attr = new AstAttribute( + $1, FeDeclarator::compose($2), $4->getName(), scope); + delete $4; + AstInterface::DoubleMemberDeclarations doubleMembers( + scope->checkMemberClashes(attr)); + if (doubleMembers.empty()) { + scope->addMember(attr); + } else { + reportDoubleMemberDeclarations(doubleMembers); + } + idlc()->scopes()->push(attr); + } + opt_attribute_block + { + static_cast< AstAttribute * >(idlc()->scopes()->top())->setExceptions( + $6.get.documentation, $6.get.exceptions, $6.set.documentation, + $6.set.exceptions); + delete $6.get.documentation; + delete $6.get.exceptions; + delete $6.set.documentation; + delete $6.set.exceptions; + idlc()->scopes()->pop(); + } + ; + +flag_header : + '[' opt_attrflags ']' + { + idlc()->setParseState(PS_FlagHeaderSeen); + $$ = $2; + } + ; + +opt_attrflags : + opt_attrflags ',' opt_attrflag + { + if ( ($1 & $3) == $3 ) + ErrorHandler::flagError(ErrorCode::DefinedAttributeFlag, $3); + + $$ = $1 | $3; + } + | opt_attrflag + { + $$ = $1; + } + ; + +opt_attrflag : + IDL_ATTRIBUTE + { + idlc()->setParseState(PS_AttrSeen); + $$ = AF_ATTRIBUTE; + } + | IDL_PROPERTY + { + idlc()->setParseState(PS_PropertySeen); + $$ = AF_PROPERTY; + } + | IDL_READONLY + { + idlc()->setParseState(PS_ReadOnlySeen); + $$ = AF_READONLY; + } + | IDL_OPTIONAL + { + idlc()->setParseState(PS_OptionalSeen); + $$ = AF_OPTIONAL; + } + | IDL_MAYBEVOID + { + idlc()->setParseState(PS_MayBeVoidSeen); + $$ = AF_MAYBEVOID; + } + | IDL_BOUND + { + idlc()->setParseState(PS_BoundSeen); + $$ = AF_BOUND; + } + | IDL_CONSTRAINED + { + idlc()->setParseState(PS_ConstrainedSeen); + $$ = AF_CONSTRAINED; + } + | IDL_TRANSIENT + { + idlc()->setParseState(PS_TransientSeen); + $$ = AF_TRANSIENT; + } + | IDL_MAYBEAMBIGUOUS + { + idlc()->setParseState(PS_MayBeAmbiguousSeen); + $$ = AF_MAYBEAMBIGUOUS; + } + | IDL_MAYBEDEFAULT + { + idlc()->setParseState(PS_MayBeDefaultSeen); + $$ = AF_MAYBEDEFAULT; + } + | IDL_REMOVABLE + { + idlc()->setParseState(PS_RemoveableSeen); + $$ = AF_REMOVABLE; + } + | error ']' + { + yyerror("unknown property|attribute flag"); + yyerrok; + } + ; + +opt_attribute_block: + '{' attribute_block_rest { $$ = $2; } + | /* empty */ + { + $$.get.documentation = nullptr; + $$.get.exceptions = nullptr; + $$.set.documentation = nullptr; + $$.set.exceptions = nullptr; + } + ; + +attribute_block_rest: + opt_attribute_raises '}' + | error '}' + { + yyerror("bad attribute raises block"); + yyerrok; + $$.get.documentation = nullptr; + $$.get.exceptions = nullptr; + $$.set.documentation = nullptr; + $$.set.exceptions = nullptr; + } + ; + +opt_attribute_raises: + attribute_get_raises + opt_attribute_set_raises + { + $$.get = $1; + $$.set = $2; + } + | attribute_set_raises + opt_attribute_get_raises + { + $$.get = $2; + $$.set = $1; + } + | /* empty */ + { + $$.get.documentation = nullptr; + $$.get.exceptions = nullptr; + $$.set.documentation = nullptr; + $$.set.exceptions = nullptr; + } + ; + +opt_attribute_get_raises: + attribute_get_raises + | /* empty */ { $$.documentation = nullptr; $$.exceptions = nullptr; } + ; + +attribute_get_raises: + IDL_GET raises ';' + { + $$.documentation = new OUString( + OStringToOUString( + idlc()->getDocumentation(), RTL_TEXTENCODING_UTF8)); + $$.exceptions = $2; + } + ; + +opt_attribute_set_raises: + attribute_set_raises + | /* empty */ { $$.documentation = nullptr; $$.exceptions = nullptr; } + ; + +attribute_set_raises: + IDL_SET + { + if (static_cast< AstAttribute * >(idlc()->scopes()->top())-> + isReadonly()) + { + ErrorHandler::error0(ErrorCode::ReadOnlyAttributeSetExceptions); + } + } + raises ';' + { + $$.documentation = new OUString( + OStringToOUString( + idlc()->getDocumentation(), RTL_TEXTENCODING_UTF8)); + $$.exceptions = $3; + } + ; + +operation : + op_type_spec + { + idlc()->setParseState(PS_OpTypeSeen); + } + identifier + { + idlc()->setParseState(PS_OpIDSeen); + checkIdentifier($3); + + AstInterface * pScope = static_cast< AstInterface * >( + idlc()->scopes()->top()); + AstOperation* pOp = nullptr; + + /* + * Create a node representing an operation on an interface + * and add it to its enclosing scope + */ + if ( pScope && $1 ) + { + AstType const *pType = static_cast<AstType const *>($1); + if ( !pType || (pType->getNodeType() == NT_exception) ) + { + // type ERROR + } else + { + pOp = new AstOperation(pType, *$3, pScope); + + AstInterface::DoubleMemberDeclarations doubleMembers( + pScope->checkMemberClashes(pOp)); + if (doubleMembers.empty()) { + pScope->addMember(pOp); + } else { + reportDoubleMemberDeclarations(doubleMembers); + } + } + } + delete $3; + /* + * Push the operation scope onto the scopes stack + */ + idlc()->scopes()->push(pOp); + } + '(' + { + idlc()->setParseState(PS_OpSqSeen); + } + parameters + { + idlc()->setParseState(PS_OpParsCompleted); + } + ')' + { + idlc()->setParseState(PS_OpQsSeen); + } + opt_raises + { + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstOperation* pOp = nullptr; + /* + * Add exceptions and context to the operation + */ + if ( pScope && pScope->getScopeNodeType() == NT_operation) + { + pOp = static_cast<AstOperation*>(pScope); + + if ( pOp ) + pOp->setExceptions($11); + } + delete $11; + /* + * Done with this operation. Pop its scope from the scopes stack + */ + idlc()->scopes()->pop(); + } + ; + +op_type_spec : + simple_type_spec + | IDL_VOID + { + $$ = idlc()->scopes()->bottom()->lookupPrimitiveType(ET_void); + } + ; + +parameters : + parameter + | parameters + ',' + { + idlc()->setParseState(PS_OpParCommaSeen); + } + parameter + | /* EMPTY */ + | error ',' + { + yyerror("parameter definition"); + yyerrok; + } + ; + +parameter : + '[' + direction + ']' + { + idlc()->setParseState(PS_OpParDirSeen); + } + simple_type_spec + { + idlc()->setParseState(PS_OpParTypeSeen); + } + opt_rest + declarator + { + idlc()->setParseState(PS_OpParDeclSeen); + + AstOperation * pScope = static_cast< AstOperation * >( + idlc()->scopes()->top()); + AstParameter* pParam = nullptr; + + /* + * Create a node representing an argument to an operation + * Add it to the enclosing scope (the operation scope) + */ + if ( pScope && $5 && $8 ) + { + AstType const * pType = FeDeclarator::compose($5); + if ( pType ) + { + if (pScope->isConstructor() && $2 != DIR_IN) { + ErrorHandler::error0(ErrorCode::ConstructorParameterNotIn); + } + if (pScope->isVariadic()) { + ErrorHandler::error0(ErrorCode::RestParameterNotLast); + } + if ($7) { + AstDeclaration const * type = resolveTypedefs(pType); + if (type->getNodeType() != NT_predefined + || (static_cast< AstBaseType const * >(type)-> + getExprType() != ET_any)) + { + ErrorHandler::error0(ErrorCode::RestParameterNotAny); + } + if (pScope->isConstructor()) { + if (pScope->getIteratorBegin() + != pScope->getIteratorEnd()) + { + ErrorHandler::error0( + ErrorCode::ConstructorRestParameterNotFirst); + } + } else { + ErrorHandler::error0(ErrorCode::MethodHasRestParameter); + } + } + + pParam = new AstParameter( + static_cast< Direction >($2), $7, pType, $8->getName(), + pScope); + + if ( !$8->checkType($5) ) + { + // WARNING + } + + pScope->addDeclaration(pParam); + } + } + } + | error + simple_type_spec + { + idlc()->setParseState(PS_NoState); + yyerrok; + } + ; + +direction : + IDL_IN + { + $$ = DIR_IN; + } + | IDL_OUT + { + $$ = DIR_OUT; + } + | IDL_INOUT + { + $$ = DIR_INOUT; + } + ; + +opt_rest: + IDL_ELLIPSIS + { + $$ = true; + } + | /* empty */ + { + $$ = false; + } + ; + +opt_raises: + raises + | /* empty */ + { + $$ = nullptr; + } + ; + +raises: + IDL_RAISES + { + idlc()->setParseState(PS_RaiseSeen); + } + '(' + { + idlc()->setParseState(PS_RaiseSqSeen); + } + exception_list + ')' + { + idlc()->setParseState(PS_RaiseQsSeen); + $$ = $5; + } + ; + +exception_list: + exception_name + { + $$ = new DeclList; + $$->push_back($1); + } + | exception_list ',' exception_name + { + $1->push_back($3); + $$ = $1; + } + ; + +exception_name: + scoped_name + { + // The topmost scope is either an AstOperation (for interface methods + // and service constructors) or an AstAttribute (for interface + // attributes), so look up exception names in the next-to-topmost scope: + AstDeclaration * decl = idlc()->scopes()->nextToTop()->lookupByName( + *$1); + if (decl == nullptr) { + ErrorHandler::lookupError(*$1); + } else if (!ErrorHandler::checkPublished(decl)) { + decl = nullptr; + } else if (decl->getNodeType() != NT_exception) { + ErrorHandler::error1(ErrorCode::IllegalRaises, decl); + decl = nullptr; + } + delete $1; + $$ = decl; + } + ; + +interface_inheritance_decl: + optional_inherited_interface + IDL_INTERFACE + { + idlc()->setParseState(PS_ServiceIFHeadSeen); + } + scoped_name + { + AstInterface * ifc = static_cast< AstInterface * >( + idlc()->scopes()->top()); + if (ifc->usesSingleInheritance()) { + ErrorHandler::error0(ErrorCode::MixedInheritance); + } else { + addInheritedInterface( + ifc, *$4, $1, + OStringToOUString( + idlc()->getDocumentation(), RTL_TEXTENCODING_UTF8)); + } + delete $4; + } + ; + +optional_inherited_interface: + '[' IDL_OPTIONAL ']' { $$ = true; } + | /* EMPTY */ { $$ = false; } + ; + +constants_exports : + constants_export constants_exports + | /* EMPTY */ + ; + +constants_export : + IDL_CONST + { + idlc()->setParseState(PS_ConstSeen); + } + const_type + { + idlc()->setParseState(PS_ConstTypeSeen); + } + identifier + { + idlc()->setParseState(PS_ConstIDSeen); + checkIdentifier($5); + } + '=' + { + idlc()->setParseState(PS_ConstAssignSeen); + } + expression + { + idlc()->setParseState(PS_ConstExprSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstConstant* pConstant = nullptr; + + if ( $9 && pScope ) + { + if ( !$9->coerce($3) ) + { + ErrorHandler::coercionError($9, $3); + } else + { + pConstant = new AstConstant($3, $9, *$5, pScope); + pScope->addDeclaration(pConstant); + } + } + delete $5; + + idlc()->setParseState(PS_ConstantDeclSeen); + } + ';' {}; + ; + +constants_dcl : + IDL_CONSTANTS + { + idlc()->setParseState(PS_ConstantsSeen); + } + identifier + { + idlc()->setParseState(PS_ConstantsIDSeen); + checkIdentifier($3); + } + '{' + { + idlc()->setParseState(PS_ConstantsSqSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstConstants* pConstants = nullptr; + + if ( pScope ) + { + pConstants = new AstConstants(*$3, pScope); + if( AstDeclaration* pExists = pScope->lookupForAdd(pConstants) ) + { + pExists->setInMainfile(idlc()->isInMainFile()); + delete(pConstants); + pConstants = static_cast<AstConstants*>(pExists); + } else + { + pScope->addDeclaration(pConstants); + } + idlc()->scopes()->push(pConstants); + } + delete $3; + } + constants_exports + { + idlc()->setParseState(PS_ConstantsBodySeen); + } + '}' + { + idlc()->setParseState(PS_ConstantsQsSeen); + /* + * Finished with this constants - pop it from the scope stack + */ + idlc()->scopes()->pop(); + } + ; + +expression : const_expr ; + +const_expr : or_expr ; + +or_expr : + xor_expr + | or_expr '|' xor_expr + { + $$ = new AstExpression(ExprComb::Or, $1, $3); + } + ; + +xor_expr : + and_expr + | xor_expr '^' and_expr + { + $$ = new AstExpression(ExprComb::Xor, $1, $3); + } + ; + +and_expr : + shift_expr + | and_expr '&' shift_expr + { + $$ = new AstExpression(ExprComb::And, $1, $3); + } + ; + +shift_expr : + add_expr + | shift_expr IDL_LEFTSHIFT add_expr + { + $$ = new AstExpression(ExprComb::Left, $1, $3); + } + | shift_expr IDL_RIGHTSHIFT add_expr + { + $$ = new AstExpression(ExprComb::Right, $1, $3); + } + ; + +add_expr : + mult_expr + | add_expr '+' mult_expr + { + $$ = new AstExpression(ExprComb::Add, $1, $3); + } + | add_expr '-' mult_expr + { + $$ = new AstExpression(ExprComb::Minus, $1, $3); + } + ; + +mult_expr : + unary_expr + | mult_expr '*' unary_expr + { + $$ = new AstExpression(ExprComb::Mul, $1, $3); + } + | mult_expr '/' unary_expr + { + $$ = new AstExpression(ExprComb::Div, $1, $3); + } + | mult_expr '%' unary_expr + { + $$ = new AstExpression(ExprComb::Mod, $1, $3); + } + ; + +unary_expr : + primary_expr + | '+' primary_expr + { + $$ = new AstExpression(ExprComb::UPlus, $2, nullptr); + } + | '-' primary_expr + { + $$ = new AstExpression(ExprComb::UMinus, $2, nullptr); + } + | '~' primary_expr + { + } + ; + +primary_expr : + scoped_name + { + /* + * An expression which is a scoped name is not resolved now, + * but only when it is evaluated (such as when it is assigned + * as a constant value) + */ + $$ = new AstExpression($1); + } + | literal + | '(' const_expr ')' + { + $$ = $2; + } + ; + +literal : + IDL_INTEGER_LITERAL + { + $$ = new AstExpression($1); + } + | IDL_INTEGER_ULITERAL + { + $$ = new AstExpression($1); + } + | IDL_FLOATING_PT_LITERAL + { + $$ = new AstExpression($1); + } + | IDL_TRUE + { + $$ = new AstExpression(sal_Int32(1), ET_boolean); + } + | IDL_FALSE + { + $$ = new AstExpression(sal_Int32(0), ET_boolean); + } + ; + +const_type : + integer_type + | byte_type + | boolean_type + | floating_pt_type + | scoped_name + { + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstDeclaration const * type = nullptr; + + /* + * If the constant's type is a scoped name, it must resolve + * to a scalar constant type + */ + if ( pScope ) { + type = pScope->lookupByName(*$1); + if (type) { + if (!ErrorHandler::checkPublished(type)) + { + type = nullptr; + $$ = ET_none; + } + else + { + type = resolveTypedefs(type); + if (type->getNodeType() == NT_predefined) + { + $$ = static_cast< AstBaseType const * >(type)-> + getExprType(); + } else + $$ = ET_any; + } + } else + $$ = ET_any; + } else + $$ = ET_any; + } + ; + +exception_header : + IDL_EXCEPTION + { + idlc()->setParseState(PS_ExceptSeen); + } + identifier + { + idlc()->setParseState(PS_ExceptIDSeen); + checkIdentifier($3); + } + inheritance_spec + { + idlc()->setParseState(PS_InheritSpecSeen); + + $$ = new FeInheritanceHeader(NT_exception, $3, $5, nullptr); + delete $5; + } + ; + +exception_dcl : + exception_header + { + idlc()->setParseState(PS_ExceptHeaderSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstException* pExcept = nullptr; + + if ( pScope ) + { + AstException* pBase = static_cast< AstException* >( + $1->getInherits()); + pExcept = new AstException(*$1->getName(), pBase, pScope); + pScope->addDeclaration(pExcept); + } + /* + * Push the scope of the exception on the scopes stack + */ + idlc()->scopes()->push(pExcept); + delete $1; + } + '{' + { + idlc()->setParseState(PS_ExceptSqSeen); + } + members + { + idlc()->setParseState(PS_ExceptBodySeen); + } + '}' + { + idlc()->setParseState(PS_ExceptQsSeen); + /* this exception is finished, pop its scope from the stack */ + idlc()->scopes()->pop(); + } + ; + +property : + flag_header + simple_type_spec + { + idlc()->setParseState(PS_PropertyTypeSeen); + } + at_least_one_declarator + { + idlc()->setParseState(PS_PropertyCompleted); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstAttribute* pAttr = nullptr; + FeDeclList* pList = $4; + FeDeclarator* pDecl = nullptr; + AstType const * pType = nullptr; + + if ( pScope->getScopeNodeType() == NT_singleton ) + { + ErrorHandler::error0(ErrorCode::IllegalAdd); + } else + { + if ( ($1 & AF_ATTRIBUTE) == AF_ATTRIBUTE ) + ErrorHandler::flagError(ErrorCode::WrongAttributeKeyword, AF_ATTRIBUTE); + + if ( ($1 & AF_PROPERTY) != AF_PROPERTY ) + ErrorHandler::flagError(ErrorCode::MissingAttributeKeyword, AF_PROPERTY); + + /* + * Create nodes representing attributes and add them to the + * enclosing scope + */ + if ( pScope && $2 && pList ) + { + FeDeclList::iterator iter = pList->begin(); + FeDeclList::iterator end = pList->end(); + + while (iter != end) + { + pDecl = (*iter); + if ( !pDecl ) + { + ++iter; + continue; + } + + pType = FeDeclarator::compose($2); + + if ( !pType ) + { + ++iter; + continue; + } + + pAttr = new AstAttribute(NT_property, $1, pType, pDecl->getName(), pScope); + + pScope->addDeclaration(pAttr); + ++iter; + delete pDecl; + } + } + } + + if ( pList ) + delete pList; + } + | error ';' + { + yyerror("property"); + yyerrok; + } + ; + +service_exports : + service_exports service_export + | /* EMPTY */ + ; + +service_export : + service_interface_header + at_least_one_scoped_name + ';' + { + idlc()->setParseState(PS_ServiceMemberSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstDeclaration* pDecl = nullptr; + AstInterfaceMember* pIMember = nullptr; + + if ( pScope->getScopeNodeType() == NT_singleton ) + { + ErrorHandler::error0(ErrorCode::IllegalAdd); + } else + { + /* + * Create a node representing a class member. + * Store it in the enclosing scope + */ + if ( pScope && $2 ) + { + for (auto const& elem : *($2)) + { + pDecl = pScope->lookupByName(elem); + if ( pDecl && (pDecl->getNodeType() == NT_interface) ) + { + /* we relax the strict published check and allow to add new + * interfaces if they are optional + */ + bool bOptional = (($1 & AF_OPTIONAL) == AF_OPTIONAL); + if ( ErrorHandler::checkPublished(pDecl, bOptional) ) + { + pIMember = new AstInterfaceMember( + $1, static_cast<AstInterface*>(pDecl), elem, pScope); + pScope->addDeclaration(pIMember); + } + } else + { + ErrorHandler::lookupError(ErrorCode::InterfaceMemberLookup, elem, scopeAsDecl(pScope)); + } + } + } + } + delete $2; + } + | service_service_header + at_least_one_scoped_name + ';' + { + idlc()->setParseState(PS_ServiceMemberSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstDeclaration* pDecl = nullptr; + AstServiceMember* pSMember = nullptr; + + /* + * Create a node representing a class member. + * Store it in the enclosing scope + */ + if ( pScope && $2 ) + { + for (auto const& elem : *($2)) + { + pDecl = pScope->lookupByName(elem); + if ( pDecl && (pDecl->getNodeType() == NT_service) ) + { + if ( static_cast< AstService * >(pDecl)->isSingleInterfaceBasedService() || (pScope->getScopeNodeType() == NT_singleton && pScope->nMembers() > 0) ) + ErrorHandler::error0(ErrorCode::IllegalAdd); + else if ( ErrorHandler::checkPublished(pDecl) ) + { + pSMember = new AstServiceMember( + $1, static_cast<AstService*>(pDecl), elem, pScope); + pScope->addDeclaration(pSMember); + } + } else + { + ErrorHandler::lookupError(ErrorCode::ServiceMemberLookup, elem, scopeAsDecl(pScope)); + } + } + } + delete $2; + } + | IDL_OBSERVES + at_least_one_scoped_name + ';' + { + idlc()->setParseState(PS_ServiceMemberSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstDeclaration* pDecl = nullptr; + AstObserves* pObserves = nullptr; + + if ( pScope->getScopeNodeType() == NT_singleton ) + { + ErrorHandler::error0(ErrorCode::IllegalAdd); + } else + { + /* + * Create a node representing a class member. + * Store it in the enclosing scope + */ + if ( pScope && $2 ) + { + for (auto const& elem : *($2)) + { + pDecl = pScope->lookupByName(elem); + if ( pDecl && (pDecl->getNodeType() == NT_interface) ) + { + pObserves = new AstObserves(static_cast<AstInterface*>(pDecl), elem, pScope); + pScope->addDeclaration(pObserves); + } else + { + ErrorHandler::lookupError(ErrorCode::InterfaceMemberLookup, elem, scopeAsDecl(pScope)); + } + } + } + } + delete $2; + } + | IDL_NEEDS + at_least_one_scoped_name + ';' + { + idlc()->setParseState(PS_ServiceMemberSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstDeclaration* pDecl = nullptr; + AstNeeds* pNeeds = nullptr; + + if ( pScope->getScopeNodeType() == NT_singleton ) + { + ErrorHandler::error0(ErrorCode::IllegalAdd); + } else + { + /* + * Create a node representing a class member. + * Store it in the enclosing scope + */ + if ( pScope && $2 ) + { + for (auto const& elem : *($2)) + { + pDecl = pScope->lookupByName(elem); + if ( pDecl && (pDecl->getNodeType() == NT_service) ) + { + pNeeds = new AstNeeds(static_cast<AstService*>(pDecl), elem, pScope); + pScope->addDeclaration(pNeeds); + } else + { + ErrorHandler::lookupError(ErrorCode::ServiceMemberLookup, elem, scopeAsDecl(pScope)); + } + } + } + } + delete $2; + } + | property + ';' + { + idlc()->setParseState(PS_PropertyDeclSeen); + } + ; + +service_interface_header : + IDL_INTERFACE + { + idlc()->setParseState(PS_ServiceIFHeadSeen); + $$ = AF_INVALID; + } + | flag_header + IDL_INTERFACE + { + idlc()->setParseState(PS_ServiceIFHeadSeen); + if ( (AF_OPTIONAL != $1) && ( AF_INVALID != $1) ) + ErrorHandler::flagError(ErrorCode::ExpectedOptional, $1); + $$ = $1; + } + ; + +service_service_header : + IDL_SERVICE + { + idlc()->setParseState(PS_ServiceSHeadSeen); + $$ = AF_INVALID; + } + | flag_header + IDL_SERVICE + { + idlc()->setParseState(PS_ServiceSHeadSeen); + if ( (AF_OPTIONAL != $1) && ( AF_INVALID != $1) ) + ErrorHandler::flagError(ErrorCode::ExpectedOptional, $1); + $$ = $1; + } + ; + +service_dcl : + IDL_SERVICE + { + idlc()->setParseState(PS_ServiceSeen); + } + identifier + { + idlc()->setParseState(PS_ServiceIDSeen); + checkIdentifier($3); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstService* pService = nullptr; + + /* + * Make a new service and add it to the enclosing scope + */ + if (pScope != nullptr) + { + pService = new AstService(*$3, pScope); + pScope->addDeclaration(pService); + } + delete $3; + /* + * Push it on the stack + */ + idlc()->scopes()->push(pService); + } + service_dfn + { + /* this service is finished, pop its scope from the stack */ + idlc()->scopes()->pop(); + } + ; + +service_dfn: + service_interface_dfn + | service_obsolete_dfn + ; + +service_interface_dfn: + ':' scoped_name + { + AstScope * scope = idlc()->scopes()->nextToTop(); + // skip the scope pushed by service_dcl + AstDeclaration * decl = scope->lookupByName(*$2); + if (decl != nullptr + && resolveTypedefs(decl)->getNodeType() == NT_interface) + { + if (ErrorHandler::checkPublished(decl)) { + idlc()->scopes()->top()->addDeclaration(decl); + } + } else { + ErrorHandler::lookupError( + ErrorCode::InterfaceMemberLookup, *$2, scopeAsDecl(scope)); + } + delete $2; + } + opt_service_body + { + AstService * s = static_cast< AstService * >(idlc()->scopes()->top()); + if (s != nullptr) { + s->setSingleInterfaceBasedService(); + s->setDefaultConstructor(!$4); + } + } + ; + +opt_service_body: + service_body { $$ = true; } + | /* empty */ { $$ = false; } + ; + +service_body: + '{' + constructors + '}' + ; + +constructors: + constructors constructor + | /* empty */ + ; + +constructor: + identifier + { + checkIdentifier($1); + AstScope * scope = idlc()->scopes()->top(); + AstOperation * ctor = new AstOperation(nullptr, *$1, scope); + delete $1; + scope->addDeclaration(ctor); + idlc()->scopes()->push(ctor); + } + '(' + parameters + ')' + opt_raises + { + static_cast< AstOperation * >(idlc()->scopes()->top())->setExceptions( + $6); + delete $6; + idlc()->scopes()->pop(); + if (static_cast< AstService * >(idlc()->scopes()->top())-> + checkLastConstructor()) + { + ErrorHandler::error0(ErrorCode::SimilarConstructors); + } + } + ';' + ; + +singleton_dcl : + IDL_SINGLETON + { + idlc()->setParseState(PS_SingletonSeen); + } + identifier + { + idlc()->setParseState(PS_SingletonIDSeen); + checkIdentifier($3); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstService* pService = nullptr; + + /* + * Make a new service and add it to the enclosing scope + */ + if (pScope != nullptr) + { + pService = new AstService(NT_singleton, *$3, pScope); + pScope->addDeclaration(pService); + } + delete $3; + /* + * Push it on the stack + */ + idlc()->scopes()->push(pService); + } + singleton_dfn + { + /* this singleton is finished, pop its scope from the stack */ + idlc()->scopes()->pop(); + } + ; + +singleton_dfn: + singleton_interface_dfn + | service_obsolete_dfn + ; + +singleton_interface_dfn: + ':' scoped_name + { + AstScope * scope = idlc()->scopes()->nextToTop(); + // skip the scope (needlessly) pushed by singleton_dcl + AstDeclaration * decl = scope->lookupByName(*$2); + if (decl != nullptr + && resolveTypedefs(decl)->getNodeType() == NT_interface) + { + if (ErrorHandler::checkPublished(decl)) { + idlc()->scopes()->top()->addDeclaration(decl); + } + } else { + ErrorHandler::lookupError( + ErrorCode::InterfaceMemberLookup, *$2, scopeAsDecl(scope)); + } + delete $2; + } + ; + +service_obsolete_dfn: + '{' + { + idlc()->setParseState( + idlc()->scopes()->top()->getScopeNodeType() == NT_service + ? PS_ServiceSqSeen : PS_SingletonSqSeen); + } + service_exports + { + idlc()->setParseState( + idlc()->scopes()->top()->getScopeNodeType() == NT_service + ? PS_ServiceBodySeen : PS_SingletonBodySeen); + } + '}' + { + idlc()->setParseState( + idlc()->scopes()->top()->getScopeNodeType() == NT_service + ? PS_ServiceQsSeen : PS_SingletonQsSeen); + } + ; + +type_dcl : + IDL_TYPEDEF + { + idlc()->setParseState(PS_TypedefSeen); + } + type_declarator {} + | struct_type {} + | enum_type {} + ; + +type_declarator : + type_spec + { + idlc()->setParseState(PS_TypeSpecSeen); + if ($1 != nullptr && $1->getNodeType() == NT_instantiated_struct) { + ErrorHandler::error0(ErrorCode::InstantiatedStructTypeTypedef); + } + } + at_least_one_declarator + { + idlc()->setParseState(PS_DeclaratorsSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstTypeDef* pTypeDef = nullptr; + FeDeclList* pList = $3; + FeDeclarator* pDecl = nullptr; + AstType const * pType = nullptr; + + /* + * Create nodes representing typedefs and add them to the + * enclosing scope + */ + if ( pScope && $1 && pList ) + { + FeDeclList::iterator iter = pList->begin(); + FeDeclList::iterator end = pList->end(); + + while (iter != end) + { + pDecl = (*iter); + if ( !pDecl ) + { + ++iter; + continue; + } + + pType = FeDeclarator::compose($1); + + if ( !pType ) + { + ++iter; + continue; + } + + pTypeDef = new AstTypeDef(pType, pDecl->getName(), pScope); + + pScope->addDeclaration(pTypeDef); + ++iter; + delete pDecl; + } + delete pList; + } + } + ; + +at_least_one_declarator : + declarator declarators + { + if ( $2 ) + { + $2->push_back($1); + $$ = $2; + } else + { + FeDeclList* pList = new FeDeclList; + pList->push_back($1); + $$ = pList; + } + } + ; + +declarators : + declarators + ',' + { + idlc()->setParseState(PS_DeclsCommaSeen); + } + declarator + { + idlc()->setParseState(PS_DeclsDeclSeen); + if ( $1 ) + { + $1->push_back($4); + $$ = $1; + } else + { + FeDeclList* pList = new FeDeclList; + pList->push_back($4); + $$ = pList; + } + } + | /* EMPTY */ + { + $$ = nullptr; + } + ; + +declarator : + identifier + { + // For historic reasons, the struct com.sun.star.uno.Uik contains + // members with illegal names (of the form "m_DataN"); avoid useless + // warnings about them: + AstScope * scope = idlc()->scopes()->top(); + if (scope == nullptr || scope->getScopeNodeType() != NT_struct + || (scopeAsDecl(scope)->getScopedName() + != "com::sun::star::uno::Uik")) + { + checkIdentifier($1); + } + + $$ = new FeDeclarator(*$1); + delete $1; + } + ; + +at_least_one_scoped_name : + scoped_name scoped_names + { + if ($2) + { + $2->push_front(*$1); + $$ = $2; + } else + { + std::list< OString >* pScopedNames = new std::list< OString >; + // coverity[copy_paste_error : FALSE] - this is not a cut and paste + pScopedNames->push_back(*$1); + $$ = pScopedNames; + } + delete $1; + } + ; + +scoped_names : + scoped_names + ',' + { + idlc()->setParseState(PS_SNListCommaSeen); + } + scoped_name + { + idlc()->setParseState(PS_ScopedNameSeen); + if ($1) + { + $1->push_back(*$4); + $$ = $1; + } else + { + std::list< OString >* pNames = new std::list< OString >; + pNames->push_back(*$4); + $$ = pNames; + } + delete $4; + } + | /* EMPTY */ + { + $$ = nullptr; + } + ; + +scoped_name : + identifier + { + idlc()->setParseState(PS_SN_IDSeen); + checkIdentifier($1); + $$ = $1; + } + | IDL_SCOPESEPARATOR + { + idlc()->setParseState(PS_ScopeDelimSeen); + } + identifier + { + checkIdentifier($3); + OString* pName = new OString("::"); + *pName += *$3; + delete $3; + $$ = pName; + } + | scoped_name + IDL_SCOPESEPARATOR + { + } + identifier + { + checkIdentifier($4); + *$1 += "::"; + *$1 += *$4; + delete $4; + $$ = $1; + } + ; + +type_spec : + simple_type_spec + | constructed_type_spec + ; + +simple_type_spec : + fundamental_type + | scoped_name opt_type_args + { + $$ = createNamedType($1, $2); + } + ; + +fundamental_type: + base_type_spec + { + $$ = idlc()->scopes()->bottom()->lookupPrimitiveType($1); + } + | sequence_type_spec + ; + +opt_type_args: + '<' type_args '>' { $$ = $2; } + | /* empty */ { $$ = nullptr; } + ; + +type_args: + type_arg + { + $$ = new DeclList; + $$->push_back(const_cast< AstDeclaration * >($1)); //TODO: const_cast + } + | type_args ',' type_arg + { + $1->push_back(const_cast< AstDeclaration * >($3)); //TODO: const_cast + $$ = $1; + } + ; + +type_arg: + simple_type_spec + { + if ($1 != nullptr && static_cast< AstType const * >($1)->isUnsigned()) { + ErrorHandler::error0(ErrorCode::UnsignedTypeArgument); + } + $$ = $1; + } + ; + +base_type_spec : + integer_type + | floating_pt_type + | char_type + | boolean_type + | byte_type + | any_type + | type_type + | string_type + ; + +integer_type : + signed_int + | unsigned_int + ; + +signed_int : + IDL_LONG + { + $$ = ET_long; + } + | IDL_HYPER + { + $$ = ET_hyper; + } + | IDL_SHORT + { + $$ = ET_short; + } + ; + +unsigned_int : + IDL_UNSIGNED IDL_LONG + { + $$ = ET_ulong; + } + | IDL_UNSIGNED IDL_HYPER + { + $$ = ET_uhyper; + } + | IDL_UNSIGNED IDL_SHORT + { + $$ = ET_ushort; + } + ; + +floating_pt_type : + IDL_DOUBLE + { + $$ = ET_double; + } + | IDL_FLOAT + { + $$ = ET_float; + } + ; + +char_type : + IDL_CHAR + { + $$ = ET_char; + } + ; + +byte_type : + IDL_BYTE + { + $$ = ET_byte; + } + ; + +boolean_type : + IDL_BOOLEAN + { + $$ = ET_boolean; + } + ; + +any_type : + IDL_ANY + { + $$ = ET_any; + } + ; + +type_type : + IDL_TYPE + { + $$ = ET_type; + } + ; + +string_type : + IDL_STRING + { + $$ = ET_string; + } + ; + +constructed_type_spec : + struct_type + | enum_type + ; + +sequence_type_spec : + IDL_SEQUENCE + { + idlc()->setParseState(PS_SequenceSeen); + /* + * Push a sequence marker on scopes stack + */ + idlc()->scopes()->push(nullptr); + } + '<' + { + idlc()->setParseState(PS_SequenceSqSeen); + } + simple_type_spec + { + idlc()->setParseState(PS_SequenceTypeSeen); + } + '>' + { + idlc()->setParseState(PS_SequenceQsSeen); + /* + * Remove sequence marker from scopes stack + */ + if (idlc()->scopes()->top() == nullptr) + idlc()->scopes()->pop(); + /* + * Create a node representing a sequence + */ + AstScope* pScope = idlc()->scopes()->bottom(); + AstDeclaration* pDecl = nullptr; + AstDeclaration* pSeq = nullptr; + + if ( $5 ) + { + AstType const *pType = static_cast<AstType const *>($5); + if ( pType ) + { + pSeq = new AstSequence(pType, pScope); + /* + * Add this AstSequence to the types defined in the global scope + */ + pDecl = pScope->addDeclaration(pSeq); + if ( pSeq != pDecl ) + { + // if sequence type already defined then use it + delete pSeq; + pSeq = pDecl; + } + } + } + $$ = pSeq; + } + | error '>' + { + yyerror("sequence declaration"); + yyerrok; + $$ = nullptr; + } + ; + +struct_type : + structure_header + { + idlc()->setParseState(PS_StructHeaderSeen); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstStruct* pStruct = nullptr; + + if ( pScope ) + { + AstStruct const* pBase= static_cast< AstStruct const* >(resolveTypedefs($1->getInherits())); + pStruct = new AstStruct( + *$1->getName(), $1->getTypeParameters(), pBase, pScope); + pScope->addDeclaration(pStruct); + } + /* + * Push the scope of the struct on the scopes stack + */ + idlc()->scopes()->push(pStruct); + delete $1; + } + '{' + { + idlc()->setParseState(PS_StructSqSeen); + } + at_least_one_member + { + idlc()->setParseState(PS_StructBodySeen); + } + '}' + { + idlc()->setParseState(PS_StructQsSeen); + /* this exception is finished, pop its scope from the stack */ + idlc()->scopes()->pop(); + } + ; + +structure_header : + IDL_STRUCT + { + idlc()->setParseState(PS_StructSeen); + } + identifier + { + idlc()->setParseState(PS_StructIDSeen); + checkIdentifier($3); + } + opt_type_params + inheritance_spec + { + idlc()->setParseState(PS_InheritSpecSeen); + + // Polymorphic struct type templates with base types would cause various + // problems in language bindings, so forbid them here. For example, + // GCC prior to version 3.4 fails with code like + // + // struct Base { ... }; + // template< typename typeparam_T > struct Derived: public Base { + // int member1 CPPU_GCC3_ALIGN(Base); + // ... }; + // + // (Note that plain struct types with instantiated polymorphic struct + // type bases, which might also cause problems in language bindings, are + // already rejected on a syntactic level.) + if ($5 != nullptr && $6 != nullptr) { + ErrorHandler::error0(ErrorCode::StructTypeTemplateWithBase); + } + + $$ = new FeInheritanceHeader(NT_struct, $3, $6, $5); + delete $5; + delete $6; + } + ; + +opt_type_params: + '<' type_params '>' { $$ = $2; } + | /* empty */ { $$ = nullptr; } + ; + +type_params: + identifier + { + $$ = new std::vector< OString >; + $$->push_back(*$1); + delete $1; + } + | type_params ',' identifier + { + if (std::find($1->begin(), $1->end(), *$3) != $1->end()) { + ErrorHandler::error0(ErrorCode::IdenticalTypeParameters); + } + $1->push_back(*$3); + delete $3; + $$ = $1; + } + ; + +at_least_one_member : member members ; + +members : + members member + | /* EMPTY */ + ; + +member : + type_or_parameter + { + idlc()->setParseState(PS_MemberTypeSeen); + } + at_least_one_declarator + { + idlc()->setParseState(PS_MemberDeclsSeen); + } + ';' + { + idlc()->setParseState(PS_MemberDeclsCompleted); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstMember* pMember = nullptr; + FeDeclList* pList = $3; + FeDeclarator* pDecl = nullptr; + AstType const * pType = nullptr; + + // !!! check recursive type + + if ( pScope && pList && $1 ) + { + FeDeclList::iterator iter = pList->begin(); + FeDeclList::iterator end = pList->end(); + while (iter != end) + { + pDecl = (*iter); + if ( !pDecl ) + { + ++iter; + continue; + } + + pType = FeDeclarator::compose($1); + + if ( !pType ) + { + ++iter; + continue; + } + + pMember = new AstMember(pType, pDecl->getName(), pScope); + + if ( !pDecl->checkType($1) ) + { + // WARNING + } + + pScope->addDeclaration(pMember); + ++iter; + delete pDecl; + } + delete pList; + } + } + | error ';' + { + yyerror("member definition"); + yyerrok; + } + ; + +type_or_parameter: + fundamental_type + | scoped_name opt_type_args + { + AstDeclaration const * decl = nullptr; + AstStruct * scope = static_cast< AstStruct * >(idlc()->scopes()->top()); + if (scope != nullptr && $2 == nullptr) { + decl = scope->findTypeParameter(*$1); + } + if (decl != nullptr) { + delete $1; + delete $2; + } else { + decl = createNamedType($1, $2); + if (scope != nullptr && includes(decl, scopeAsDecl(scope))) { + ErrorHandler::error1( + ErrorCode::RecursiveType, scopeAsDecl(scope)); + decl = nullptr; + } + } + $$ = decl; + } + ; + +enum_type : + IDL_ENUM + { + idlc()->setParseState(PS_EnumSeen); + } + identifier + { + idlc()->setParseState(PS_EnumIDSeen); + checkIdentifier($3); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstEnum* pEnum = nullptr; + + /* + * Create a node representing an enum and add it to its + * enclosing scope + */ + if (pScope != nullptr) + { + pEnum = new AstEnum(*$3, pScope); + /* + * Add it to its defining scope + */ + pScope->addDeclaration(pEnum); + } + delete $3; + /* + * Push the enum scope on the scopes stack + */ + idlc()->scopes()->push(pEnum); + + } + '{' + { + idlc()->setParseState(PS_EnumSqSeen); + } + at_least_one_enumerator + { + idlc()->setParseState(PS_EnumBodySeen); + } + '}' + { + idlc()->setParseState(PS_EnumQsSeen); + /* + * Done with this enum. Pop its scope from the scopes stack + */ + if (idlc()->scopes()->top() == nullptr) + $$ = nullptr; + else + { + $$ = static_cast<AstEnum*>(idlc()->scopes()->topNonNull()); + idlc()->scopes()->pop(); + } + } + ; + +at_least_one_enumerator : enumerator enumerators ; + +enumerators : + enumerators + ',' + { + idlc()->setParseState(PS_EnumCommaSeen); + } + enumerator + | /* EMPTY */ + | error ',' + { + yyerror("enumerator definition"); + yyerrok; + } + ; + +enumerator : + identifier + { + checkIdentifier($1); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstEnum* pEnum = nullptr; + AstConstant* pEnumVal = nullptr; + + if ( pScope && pScope->getScopeNodeType() == NT_enum) + { + pEnum = static_cast<AstEnum*>(pScope); + if (pEnum && $1) + { + AstExpression* pExpr = new AstExpression(pEnum->getEnumValueCount()); + pEnumVal = new AstConstant(ET_long , NT_enum_val, + pExpr, *$1, pScope); + } + if ( pEnum->checkValue(pEnumVal->getConstValue()) ) + ErrorHandler::error1(ErrorCode::Eval, pEnum); + + pScope->addDeclaration(pEnumVal); + } + delete $1; + } + | identifier + '=' + const_expr + { + checkIdentifier($1); + + AstScope* pScope = idlc()->scopes()->topNonNull(); + AstEnum* pEnum = nullptr; + AstConstant* pEnumVal = nullptr; + + if ( $3 && pScope && pScope->getScopeNodeType() == NT_enum) + { + $3->evaluate(); + if ( $3->coerce(ET_long) ) + { + pEnum = static_cast<AstEnum*>(pScope); + if (pEnum) + { + pEnumVal = new AstConstant(ET_long , NT_enum_val, + $3, *$1, pScope); + } + if ( pEnum->checkValue(pEnumVal->getConstValue()) ) + ErrorHandler::error1(ErrorCode::Eval, pEnum); + + pScope->addDeclaration(pEnumVal); + } else + { + ErrorHandler::coercionError($3, ET_long); + delete $3; + } + } + delete $1; + } + ; + +identifier: + IDL_IDENTIFIER + | IDL_GET { $$ = new OString("get"); } + | IDL_SET { $$ = new OString("set"); } + | IDL_PUBLISHED { $$ = new OString("published"); } + ; + +%% + +/* + * Report an error situation discovered in a production + */ +void yyerror(char const *errmsg) +{ + ErrorHandler::syntaxError(idlc()->getParseState(), idlc()->getLineNumber(), errmsg); + idlc()->setParseState(PS_NoState); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |