Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 4476 insertions, 0 deletions

diff --git a/unoidl/source/sourceprovider-parser.y b/unoidl/source/sourceprovider-parser.y
new file mode 100644
index 000000000..abe17e355
--- /dev/null
+++ b/unoidl/source/sourceprovider-parser.y
@@ -0,0 +1,4476 @@
+/* -*- 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/.
+ */
+
+/*TODO: check Exception, RuntimeException, XInterface defns */
+
+%locations
+%pure-parser
+
+%{
+
+#include <sal/config.h>
+
+#include <o3tl/unreachable.hxx>
+#include <o3tl/string_view.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <unoidl/unoidl.hxx>
+
+#include <algorithm>
+#include <cassert>
+#include <cerrno>
+#include <cstddef>
+#include <cstdlib>
+#include <limits>
+#include <new>
+#include <utility>
+#include <vector>
+
+#include "sourceprovider-parser-requires.hxx"
+
+%}
+
+%union {
+    sal_uInt64 ival;
+    double fval;
+    OString * sval;
+
+    bool bval;
+    std::vector<OUString> * excns;
+    unoidl::detail::SourceProviderAccessDecls decls;
+    unoidl::InterfaceTypeEntity::Method::Parameter::Direction dir;
+    unoidl::detail::SourceProviderFlags flags;
+    unoidl::detail::SourceProviderExpr expr;
+    unoidl::detail::SourceProviderType * type;
+    std::vector<unoidl::detail::SourceProviderType> * types;
+}
+
+/* TODO: %destructor { delete $$; } <sval> <excns> <type> <types> */
+
+%lex-param {yyscan_t yyscanner}
+%parse-param {yyscan_t yyscanner}
+
+%{
+
+#include <osl/file.h>
+#include <osl/thread.h>
+#include <sal/log.hxx>
+
+#include "sourceprovider-scanner.hxx"
+
+#define YYLLOC_DEFAULT(Current, Rhs, N) \
+    do { (Current) = YYRHSLOC((Rhs), (N) ? 1 : 0); } while (0)
+
+static void yyerror(YYLTYPE * locp, yyscan_t yyscanner, char const * msg) {
+    assert(locp != nullptr);
+    unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+    data->errorLine = *locp;
+    data->parserError = OString(msg);
+}
+
+namespace {
+
+void error(YYLTYPE location, yyscan_t yyscanner, OUString const & message) {
+    unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+    data->errorLine = location;
+    data->errorMessage = message;
+}
+
+OUString flagName(unoidl::detail::SourceProviderFlags flag) {
+    switch (flag) {
+    case unoidl::detail::FLAG_ATTRIBUTE:
+        return "attribute";
+    case unoidl::detail::FLAG_BOUND:
+        return "bound";
+    case unoidl::detail::FLAG_CONSTRAINED:
+        return "constrained";
+    case unoidl::detail::FLAG_MAYBEAMBIGUOUS:
+        return "maybeambiguous";
+    case unoidl::detail::FLAG_MAYBEDEFAULT:
+        return "maybedefault";
+    case unoidl::detail::FLAG_MAYBEVOID:
+        return "maybevoid";
+    case unoidl::detail::FLAG_OPTIONAL:
+        return "optional";
+    case unoidl::detail::FLAG_PROPERTY:
+        return "property";
+    case unoidl::detail::FLAG_READONLY:
+        return "readonly";
+    case unoidl::detail::FLAG_REMOVABLE:
+        return "removable";
+    case unoidl::detail::FLAG_TRANSIENT:
+        return "transient";
+    default:
+        assert(false && "this cannot happen"); for (;;) { std::abort(); }
+    }
+}
+
+OUString convertName(OString const * name) {
+    assert(name != nullptr);
+    OUString s(OStringToOUString(*name, RTL_TEXTENCODING_ASCII_US));
+    delete name;
+    return s;
+}
+
+OUString convertToFullName(
+    unoidl::detail::SourceProviderScannerData const * data,
+    OString const * identifier)
+{
+    assert(data != nullptr);
+    OUString pref;
+    if (!data->modules.empty()) {
+        pref = data->modules.back() + ".";
+    }
+    return pref + convertName(identifier);
+}
+
+void convertToCurrentName(
+    unoidl::detail::SourceProviderScannerData * data,
+    OString const * identifier)
+{
+    assert(data != nullptr);
+    assert(data->currentName.isEmpty());
+    data->currentName = convertToFullName(data, identifier);
+    assert(!data->currentName.isEmpty());
+}
+
+void clearCurrentState(unoidl::detail::SourceProviderScannerData * data) {
+    assert(data != nullptr);
+    data->currentName.clear();
+    data->publishedContext = false;
+}
+
+unoidl::detail::SourceProviderEntity * getCurrentEntity(
+    unoidl::detail::SourceProviderScannerData * data)
+{
+    assert(data != nullptr);
+    assert(!data->currentName.isEmpty());
+    std::map<OUString, unoidl::detail::SourceProviderEntity>::iterator i(
+        data->entities.find(data->currentName));
+    assert(i != data->entities.end());
+    assert(i->second.kind == unoidl::detail::SourceProviderEntity::KIND_LOCAL);
+    assert(i->second.pad.is());
+    return &i->second;
+}
+
+template<typename T> rtl::Reference<T> getCurrentPad(
+    unoidl::detail::SourceProviderScannerData * data)
+{
+    rtl::Reference<T> pad(dynamic_cast<T *>(getCurrentEntity(data)->pad.get()));
+    assert(pad.is());
+    return pad;
+}
+
+bool nameHasSameIdentifierAs(std::u16string_view name, std::u16string_view identifier)
+{
+    size_t i = name.rfind('.') + 1;
+    return identifier.size() == name.size() - i
+        && o3tl::starts_with(name.substr(i), identifier);
+}
+
+bool coerce(
+    YYLTYPE location, yyscan_t yyscanner,
+    unoidl::detail::SourceProviderExpr * lhs,
+    unoidl::detail::SourceProviderExpr * rhs)
+{
+    assert(lhs != nullptr);
+    assert(rhs != nullptr);
+    bool ok = bool(); // avoid warnings
+    switch (lhs->type) {
+    case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+        ok = rhs->type != unoidl::detail::SourceProviderExpr::TYPE_BOOL;
+        break;
+    case unoidl::detail::SourceProviderExpr::TYPE_INT:
+        switch (rhs->type) {
+        case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+            ok = false;
+            break;
+        case unoidl::detail::SourceProviderExpr::TYPE_INT:
+            ok = true;
+            break;
+        case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+            if (lhs->ival >= 0) {
+                lhs->type = unoidl::detail::SourceProviderExpr::TYPE_UINT;
+                ok = true;
+            } else if (rhs->uval <= SAL_MAX_INT64) {
+                rhs->type = unoidl::detail::SourceProviderExpr::TYPE_INT;
+                ok = true;
+            } else {
+                ok = false;
+            }
+            break;
+        case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+            {
+                auto tmp = lhs->ival;
+                lhs->fval = tmp;
+                ok = true;
+            }
+            break;
+        }
+        break;
+    case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+        switch (rhs->type) {
+        case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+            ok = false;
+            break;
+        case unoidl::detail::SourceProviderExpr::TYPE_INT:
+            if (rhs->ival >= 0) {
+                rhs->type = unoidl::detail::SourceProviderExpr::TYPE_UINT;
+                ok = true;
+            } else if (lhs->uval <= SAL_MAX_INT64) {
+                lhs->type = unoidl::detail::SourceProviderExpr::TYPE_INT;
+                ok = true;
+            } else {
+                ok = false;
+            }
+            break;
+        case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+            ok = true;
+            break;
+        case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+            {
+                auto nTmp = lhs->uval;
+                lhs->fval = nTmp;
+                ok = true;
+            }
+            break;
+        }
+        break;
+    case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+        switch (rhs->type) {
+        case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+            ok = false;
+            break;
+        case unoidl::detail::SourceProviderExpr::TYPE_INT:
+            {
+                auto tmp = rhs->ival;
+                rhs->fval = tmp;
+                ok = true;
+            }
+            break;
+        case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+            {
+                auto tmp = rhs->uval;
+                rhs->fval = tmp;
+                ok = true;
+            }
+            break;
+        case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+            ok = true;
+            break;
+        }
+        break;
+    }
+    if (!ok) {
+        error(location, yyscanner, "cannot coerce binary expression arguments");
+    }
+    return ok;
+}
+
+unoidl::detail::SourceProviderEntity * findEntity_(
+    unoidl::detail::SourceProviderScannerData * data, OUString * name)
+{
+    assert(data != nullptr);
+    assert(name != nullptr);
+    OUString n;
+    if (!name->startsWith(".", &n)) {
+        for (auto i(data->modules.rbegin()); i != data->modules.rend(); ++i) {
+            n = *i + "." + *name;
+            std::map<OUString, unoidl::detail::SourceProviderEntity>::iterator j(
+                data->entities.find(n));
+            if (j != data->entities.end()) {
+                *name = n;
+                return &j->second;
+            }
+            rtl::Reference<unoidl::Entity> ent(data->manager->findEntity(n));
+            if (ent.is()) {
+                std::map<OUString, unoidl::detail::SourceProviderEntity>::iterator
+                    k(data->entities.emplace(
+                              n,
+                              unoidl::detail::SourceProviderEntity(
+                                  unoidl::detail::SourceProviderEntity::KIND_EXTERNAL,
+                                  ent)).
+                      first);
+                *name = n;
+                return &k->second;
+            }
+        }
+        n = *name;
+    }
+    std::map<OUString, unoidl::detail::SourceProviderEntity>::iterator i(
+        data->entities.find(n));
+    if (i != data->entities.end()) {
+        *name = n;
+        return &i->second;
+    }
+    rtl::Reference<unoidl::Entity> ent(data->manager->findEntity(n));
+    if (ent.is()) {
+        std::map<OUString, unoidl::detail::SourceProviderEntity>::iterator
+            j(data->entities.emplace(
+                      n,
+                      unoidl::detail::SourceProviderEntity(
+                          unoidl::detail::SourceProviderEntity::KIND_EXTERNAL,
+                          ent)).
+              first);
+        *name = n;
+        return &j->second;
+    }
+    return nullptr;
+}
+
+enum Found { FOUND_ERROR, FOUND_TYPE, FOUND_ENTITY };
+
+Found findEntity(
+    YYLTYPE location, yyscan_t yyscanner,
+    unoidl::detail::SourceProviderScannerData * data,
+    bool resolveInterfaceDefinitions, OUString * name,
+    unoidl::detail::SourceProviderEntity const ** entity, bool * typedefed,
+    unoidl::detail::SourceProviderType * typedefedType)
+{
+    //TODO: avoid recursion
+    assert(data != nullptr);
+    assert(name != nullptr);
+    assert(entity != nullptr);
+    unoidl::detail::SourceProviderEntity * e = findEntity_(data, name);
+    OUString n(*name);
+    OUString typeNucleus;
+    std::size_t rank = 0;
+    std::vector<unoidl::detail::SourceProviderType> args;
+    for (;;) {
+        if (e != nullptr) {
+            switch (e->kind) {
+            case unoidl::detail::SourceProviderEntity::KIND_LOCAL:
+                if (e->pad.is()) {
+                    break;
+                }
+                assert(e->entity.is());
+                [[fallthrough]];
+            case unoidl::detail::SourceProviderEntity::KIND_EXTERNAL:
+                if (e->entity->getSort() == unoidl::Entity::SORT_TYPEDEF) {
+                    if (typedefed != nullptr) {
+                        *typedefed = true;
+                    }
+                    if (data->publishedContext
+                        && !static_cast<unoidl::TypedefEntity *>(
+                            e->entity.get())->isPublished())
+                    {
+                        error(
+                            location, yyscanner,
+                            ("type " + *name + " based on unpublished typedef "
+                             + n + " used in published context"));
+                        return FOUND_ERROR;
+                    }
+                    OUString t(
+                        static_cast<unoidl::TypedefEntity *>(e->entity.get())
+                        ->getType());
+                    typeNucleus = t;
+                    while (typeNucleus.startsWith("[]", &typeNucleus)) {
+                        if (!args.empty()) {
+                            error(
+                                location, yyscanner,
+                                ("inconsistent type manager: bad type " + *name
+                                 + (" based on instantiated polymorphic struct"
+                                    " type based on sequence type named ")
+                                 + t));
+                            return FOUND_ERROR;
+                        }
+                        if (rank == std::numeric_limits<std::size_t>::max()) {
+                            error(
+                                location, yyscanner,
+                                ("bad type " + *name
+                                 + " based on sequence type of too high rank"));
+                            return FOUND_ERROR;
+                        }
+                        ++rank;
+                    }
+                    sal_Int32 i = typeNucleus.indexOf('<');
+                    if (i != -1) {
+                        if (!args.empty()) {
+                            error(
+                                location, yyscanner,
+                                ("inconsistent type manager: bad type " + *name
+                                 + (" based on instantiated polymorphic struct"
+                                    " type based on instantiated polymorphic"
+                                    " struct type named ")
+                                 + t));
+                            return FOUND_ERROR;
+                        }
+                        std::u16string_view tmpl(typeNucleus.subView(0, i));
+                        do {
+                            ++i; // skip '<' or ','
+                            sal_Int32 j = i;
+                            for (sal_Int32 level = 0;
+                                 j != typeNucleus.getLength(); ++j)
+                            {
+                                sal_Unicode c = typeNucleus[j];
+                                if (c == ',') {
+                                    if (level == 0) {
+                                        break;
+                                    }
+                                } else if (c == '<') {
+                                    ++level;
+                                } else if (c == '>') {
+                                    if (level == 0) {
+                                        break;
+                                    }
+                                    --level;
+                                }
+                            }
+                            if (j != typeNucleus.getLength()) {
+                                OUString argName(typeNucleus.copy(i, j - i));
+                                unoidl::detail::SourceProviderEntity const *
+                                    argEnt;
+                                unoidl::detail::SourceProviderType argType;
+                                switch (
+                                    findEntity(
+                                        location, yyscanner, data, false,
+                                        &argName, &argEnt, nullptr, &argType))
+                                {
+                                case FOUND_ERROR:
+                                    return FOUND_ERROR;
+                                case FOUND_TYPE:
+                                    break;
+                                case FOUND_ENTITY:
+                                    if (argEnt == nullptr) {
+                                        error(
+                                            location, yyscanner,
+                                            (("inconsistent type manager: bad"
+                                              " instantiated polymorphic struct"
+                                              " type template type argument ")
+                                             + argName));
+                                        return FOUND_ERROR;
+                                    } else {
+                                        unoidl::detail::SourceProviderType::Type
+                                            argT
+                                            = unoidl::detail::SourceProviderType::Type();
+                                            // avoid warnings
+                                        switch (argEnt->kind) {
+                                        case unoidl::detail::SourceProviderEntity::KIND_LOCAL:
+                                            if (e->pad.is()) {
+                                                error(
+                                                    location, yyscanner,
+                                                    (("inconsistent type"
+                                                      " manager: bad"
+                                                      " instantiated"
+                                                      " polymorphic struct type"
+                                                      " template type"
+                                                      " argument ")
+                                                     + argName));
+                                                return FOUND_ERROR;
+                                            }
+                                            assert(e->entity.is());
+                                            [[fallthrough]];
+                                        case unoidl::detail::SourceProviderEntity::KIND_EXTERNAL:
+                                            switch (e->entity->getSort()) {
+                                            case unoidl::Entity::SORT_ENUM_TYPE:
+                                                argT = unoidl::detail::SourceProviderType::TYPE_ENUM;
+                                                break;
+                                            case unoidl::Entity::SORT_PLAIN_STRUCT_TYPE:
+                                                argT = unoidl::detail::SourceProviderType::TYPE_PLAIN_STRUCT;
+                                                break;
+                                            case unoidl::Entity::SORT_INTERFACE_TYPE:
+                                                argT = unoidl::detail::SourceProviderType::TYPE_INTERFACE;
+                                                break;
+                                            default:
+                                                error(
+                                                    location, yyscanner,
+                                                    (("inconsistent type"
+                                                      "manager: bad"
+                                                      " instantiated"
+                                                      " polymorphic struct type"
+                                                      " template type"
+                                                      " argument ")
+                                                     + argName));
+                                                return FOUND_ERROR;
+                                            }
+                                            break;
+                                        case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+                                        case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+                                            argT = unoidl::detail::SourceProviderType::TYPE_INTERFACE;
+                                            break;
+                                        case unoidl::detail::SourceProviderEntity::KIND_MODULE:
+                                            assert(false && "this cannot happen");
+                                        }
+                                        argType
+                                            = unoidl::detail::SourceProviderType(
+                                                argT, argName, argEnt);
+                                    }
+                                    break;
+                                }
+                                args.push_back(argType);
+                            }
+                            i = j;
+                        } while (i != typeNucleus.getLength()
+                                 && typeNucleus[i] != '>');
+                        if (i != typeNucleus.getLength() - 1
+                            || typeNucleus[i] != '>')
+                        {
+                            error(
+                                location, yyscanner,
+                                ("inconsistent type manager: bad type name \""
+                                 + t + "\""));
+                            return FOUND_ERROR;
+                        }
+                        assert(!args.empty());
+                        typeNucleus = tmpl;
+                    }
+                    if (typeNucleus.isEmpty()) {
+                        error(
+                            location, yyscanner,
+                            ("inconsistent type manager: bad type name \"" + t
+                             + "\""));
+                        return FOUND_ERROR;
+                    }
+                    if (typeNucleus == "void") {
+                        error(
+                            location, yyscanner,
+                            ("inconsistent type manager: bad type " + *name
+                             + " based on void"));
+                        return FOUND_ERROR;
+                    }
+                    if (typeNucleus == "boolean" || typeNucleus == "byte"
+                        || typeNucleus == "short"
+                        || typeNucleus == "unsigned short"
+                        || typeNucleus == "long"
+                        || typeNucleus == "unsigned long"
+                        || typeNucleus == "hyper"
+                        || typeNucleus == "unsigned hyper"
+                        || typeNucleus == "float" || typeNucleus == "double"
+                        || typeNucleus == "char" || typeNucleus == "string"
+                        || typeNucleus == "type" || typeNucleus == "any")
+                    {
+                        if (!args.empty()) {
+                            error(
+                                location, yyscanner,
+                                ("inconsistent type manager: bad type " + *name
+                                 + (" based on instantiated polymorphic struct"
+                                    " type based on ")
+                                 + typeNucleus));
+                            return FOUND_ERROR;
+                        }
+                        break;
+                    }
+                    n = "." + typeNucleus;
+                    typeNucleus.clear();
+                    e = findEntity_(data, &n);
+                    continue;
+                }
+                break;
+            case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+            case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+                if (resolveInterfaceDefinitions) {
+                    rtl::Reference<unoidl::Entity> ent(
+                        data->manager->findEntity(n));
+                    // Do not allow ent to be of SORT_TYPEDEF:
+                    if (!ent.is()
+                        || (ent->getSort()
+                            != unoidl::Entity::SORT_INTERFACE_TYPE))
+                    {
+                        error(
+                            location, yyscanner,
+                            (*name + " is based on interface declaration " + n
+                             + " that is not an interface type entity"));
+                        return FOUND_ERROR;
+                    }
+                    e->kind
+                        = unoidl::detail::SourceProviderEntity::KIND_EXTERNAL;
+                    e->entity = ent;
+                }
+                break;
+            case unoidl::detail::SourceProviderEntity::KIND_MODULE:
+                error(
+                    location, yyscanner,
+                    *name + " is based on module entity " + n);
+                return FOUND_ERROR;
+            }
+        }
+        if (!typeNucleus.isEmpty() || rank != 0 || !args.empty()) {
+            if (typeNucleus.isEmpty() && e == nullptr) {
+                // Found a type name based on an unknown entity:
+                *entity = nullptr;
+                return FOUND_ENTITY;
+            }
+            unoidl::detail::SourceProviderType t;
+            if (args.empty()) {
+                if (typeNucleus == "boolean") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_BOOLEAN);
+                } else if (typeNucleus == "byte") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_BYTE);
+                } else if (typeNucleus == "short") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_SHORT);
+                } else if (typeNucleus == "unsigned short") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_UNSIGNED_SHORT);
+                } else if (typeNucleus == "long") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_LONG);
+                } else if (typeNucleus == "unsigned long") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_UNSIGNED_LONG);
+                } else if (typeNucleus == "hyper") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_HYPER);
+                } else if (typeNucleus == "unsigned hyper") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_UNSIGNED_HYPER);
+                } else if (typeNucleus == "float") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_FLOAT);
+                } else if (typeNucleus == "double") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_DOUBLE);
+                } else if (typeNucleus == "char") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_CHAR);
+                } else if (typeNucleus == "string") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_STRING);
+                } else if (typeNucleus == "type") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_TYPE);
+                } else if (typeNucleus == "any") {
+                    t = unoidl::detail::SourceProviderType(
+                        unoidl::detail::SourceProviderType::TYPE_ANY);
+                } else {
+                    assert(typeNucleus.isEmpty());
+                    assert(e != nullptr);
+                    switch (e->kind) {
+                    case unoidl::detail::SourceProviderEntity::KIND_LOCAL:
+                        if (e->pad.is()) {
+                            if (dynamic_cast<unoidl::detail::SourceProviderEnumTypeEntityPad *>(
+                                    e->pad.get())
+                                != nullptr)
+                            {
+                                t = unoidl::detail::SourceProviderType(
+                                    unoidl::detail::SourceProviderType::TYPE_ENUM,
+                                    n, e);
+                            } else if (dynamic_cast<unoidl::detail::SourceProviderPlainStructTypeEntityPad *>(
+                                           e->pad.get())
+                                       != nullptr)
+                            {
+                                t = unoidl::detail::SourceProviderType(
+                                    unoidl::detail::SourceProviderType::TYPE_PLAIN_STRUCT,
+                                    n, e);
+                            } else if (dynamic_cast<unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad *>(
+                                           e->pad.get())
+                                       != nullptr)
+                            {
+                                error(
+                                    location, yyscanner,
+                                    ("bad type " + *name
+                                     + (" based on recursive reference to"
+                                        " polymorphic struct type template ")
+                                     + n));
+                                return FOUND_ERROR;
+                            } else if (dynamic_cast<unoidl::detail::SourceProviderExceptionTypeEntityPad *>(
+                                           e->pad.get())
+                                       != nullptr)
+                            {
+                                t = unoidl::detail::SourceProviderType(
+                                    unoidl::detail::SourceProviderType::TYPE_EXCEPTION,
+                                    n, e);
+                            } else if (dynamic_cast<unoidl::detail::SourceProviderInterfaceTypeEntityPad *>(
+                                           e->pad.get())
+                                       != nullptr)
+                            {
+                                t = unoidl::detail::SourceProviderType(
+                                    unoidl::detail::SourceProviderType::TYPE_INTERFACE,
+                                    n, e);
+                            } else {
+                                error(
+                                    location, yyscanner,
+                                    ("bad type " + *name
+                                     + " based on non-type entity " + n));
+                                return FOUND_ERROR;
+                            }
+                            break;
+                        }
+                        assert(e->entity.is());
+                        [[fallthrough]];
+                    case unoidl::detail::SourceProviderEntity::KIND_EXTERNAL:
+                        switch (e->entity->getSort()) {
+                        case unoidl::Entity::SORT_ENUM_TYPE:
+                            t = unoidl::detail::SourceProviderType(
+                                unoidl::detail::SourceProviderType::TYPE_ENUM,
+                                n, e);
+                            break;
+                        case unoidl::Entity::SORT_PLAIN_STRUCT_TYPE:
+                            t = unoidl::detail::SourceProviderType(
+                                unoidl::detail::SourceProviderType::TYPE_PLAIN_STRUCT,
+                                n, e);
+                            break;
+                        case unoidl::Entity::SORT_POLYMORPHIC_STRUCT_TYPE_TEMPLATE:
+                            error(
+                                location, yyscanner,
+                                ("bad type " + *name
+                                 + " based on polymorphic struct type template "
+                                 + n + " without type arguments"));
+                            return FOUND_ERROR;
+                        case unoidl::Entity::SORT_EXCEPTION_TYPE:
+                            t = unoidl::detail::SourceProviderType(
+                                unoidl::detail::SourceProviderType::TYPE_EXCEPTION,
+                                n, e);
+                            break;
+                        case unoidl::Entity::SORT_INTERFACE_TYPE:
+                            t = unoidl::detail::SourceProviderType(
+                                unoidl::detail::SourceProviderType::TYPE_INTERFACE,
+                                n, e);
+                            break;
+                        default:
+                            error(
+                                location, yyscanner,
+                                ("bad type " + *name
+                                 + " based on non-type entity " + n));
+                            return FOUND_ERROR;
+                        }
+                        break;
+                    case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+                    case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+                        t = unoidl::detail::SourceProviderType(
+                            unoidl::detail::SourceProviderType::TYPE_INTERFACE,
+                            n, e);
+                        break;
+                    case unoidl::detail::SourceProviderEntity::KIND_MODULE:
+                        assert(false && "this cannot happen");
+                    }
+                }
+            } else {
+                assert(typeNucleus.isEmpty());
+                assert(e != nullptr);
+                switch (e->kind) {
+                case unoidl::detail::SourceProviderEntity::KIND_LOCAL:
+                    if (e->pad.is()) {
+                        error(
+                            location, yyscanner,
+                            ("bad type " + *name
+                             + (" based on instantiated polymorphic struct type"
+                                " based on ")
+                             + n
+                             + (" that is either not a polymorphic struct type"
+                                " template or a recursive reference to a"
+                                " polymorphic struct type template")));
+                        return FOUND_ERROR;
+                    }
+                    assert(e->entity.is());
+                    [[fallthrough]];
+                case unoidl::detail::SourceProviderEntity::KIND_EXTERNAL:
+                    if (e->entity->getSort()
+                        == unoidl::Entity::SORT_POLYMORPHIC_STRUCT_TYPE_TEMPLATE)
+                    {
+                        if (args.size()
+                            != (static_cast<
+                                    unoidl::PolymorphicStructTypeTemplateEntity *>(
+                                        e->entity.get())
+                                ->getTypeParameters().size()))
+                        {
+                            error(
+                                location, yyscanner,
+                                ("bad type " + *name
+                                 + (" based on instantiated polymorphic struct"
+                                    " type with ")
+                                 + OUString::number(args.size())
+                                 + (" type arguments based on polymorphic"
+                                    " struct type template ")
+                                 + n + " with "
+                                 + OUString::number(
+                                     static_cast<
+                                         unoidl::PolymorphicStructTypeTemplateEntity *>(
+                                             e->entity.get())
+                                     ->getTypeParameters().size())
+                                 + " type parameters"));
+                            return FOUND_ERROR;
+                        }
+                        t = unoidl::detail::SourceProviderType(n, e, std::move(args));
+                        break;
+                    }
+                    [[fallthrough]];
+                case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+                case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+                    error(
+                        location, yyscanner,
+                        ("bad type " + *name
+                         + (" based on instantiated polymorphic struct type"
+                            " based on ")
+                         + n
+                         + " that is not a polymorphic struct type template"));
+                    return FOUND_ERROR;
+                case unoidl::detail::SourceProviderEntity::KIND_MODULE:
+                    assert(false && "this cannot happen");
+                }
+            }
+            if (typedefedType != nullptr) {
+                for (std::size_t i = 0; i != rank; ++i) {
+                    t = unoidl::detail::SourceProviderType(&t);
+                }
+                *typedefedType = t;
+                typedefedType->typedefName = *name;
+            }
+            *entity = nullptr;
+            return FOUND_TYPE;
+        }
+        *entity = e;
+        return FOUND_ENTITY;
+    }
+}
+
+
+bool checkTypeArgument(
+    YYLTYPE location, yyscan_t yyscanner,
+    unoidl::detail::SourceProviderType const & type)
+{
+    switch (type.type) {
+    case unoidl::detail::SourceProviderType::TYPE_VOID:
+    case unoidl::detail::SourceProviderType::TYPE_UNSIGNED_SHORT:
+    case unoidl::detail::SourceProviderType::TYPE_UNSIGNED_LONG:
+    case unoidl::detail::SourceProviderType::TYPE_UNSIGNED_HYPER:
+    case unoidl::detail::SourceProviderType::TYPE_EXCEPTION:
+    case unoidl::detail::SourceProviderType::TYPE_PARAMETER: //TODO?
+        error(
+            location, yyscanner,
+            "bad instantiated polymorphic struct type argument");
+        return false;
+    case unoidl::detail::SourceProviderType::TYPE_SEQUENCE:
+        return checkTypeArgument(location, yyscanner, type.subtypes.front());
+    default:
+        return true;
+    }
+}
+
+bool checkInstantiatedPolymorphicStructTypeArgument(
+    unoidl::detail::SourceProviderType const & type, OUString const & name)
+{
+    if (type.type
+        == unoidl::detail::SourceProviderType::TYPE_INSTANTIATED_POLYMORPHIC_STRUCT)
+    {
+        for (auto & i: type.subtypes) {
+            if (checkInstantiatedPolymorphicStructTypeArgument(i, name)
+                || i.getName() == name) // no need to worry about typedef
+            {
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+std::vector<OUString> annotations(bool deprecated) {
+    std::vector<OUString> ann;
+    if (deprecated) {
+        ann.push_back("deprecated");
+    }
+    return ann;
+}
+
+}
+
+%}
+
+%token TOK_ELLIPSIS
+%token TOK_COLONS
+%token TOK_LEFTSHIFT
+%token TOK_RIGHTSHIFT
+
+%token TOK_FALSE
+%token TOK_TRUE
+%token TOK_ANY
+%token TOK_ATTRIBUTE
+%token TOK_BOOLEAN
+%token TOK_BOUND
+%token TOK_BYTE
+%token TOK_CHAR
+%token TOK_CONST
+%token TOK_CONSTANTS
+%token TOK_CONSTRAINED
+%token TOK_DOUBLE
+%token TOK_ENUM
+%token TOK_EXCEPTION
+%token TOK_FLOAT
+%token TOK_GET
+%token TOK_HYPER
+%token TOK_IN
+%token TOK_INOUT
+%token TOK_INTERFACE
+%token TOK_LONG
+%token TOK_MAYBEAMBIGUOUS
+%token TOK_MAYBEDEFAULT
+%token TOK_MAYBEVOID
+%token TOK_MODULE
+%token TOK_OPTIONAL
+%token TOK_OUT
+%token TOK_PROPERTY
+%token TOK_PUBLISHED
+%token TOK_RAISES
+%token TOK_READONLY
+%token TOK_REMOVABLE
+%token TOK_SEQUENCE
+%token TOK_SERVICE
+%token TOK_SET
+%token TOK_SHORT
+%token TOK_SINGLETON
+%token TOK_STRING
+%token TOK_STRUCT
+%token TOK_TRANSIENT
+%token TOK_TYPE
+%token TOK_TYPEDEF
+%token TOK_UNSIGNED
+%token TOK_VOID
+
+%token<sval> TOK_IDENTIFIER
+%token<ival> TOK_INTEGER
+%token<fval> TOK_FLOATING
+
+%token TOK_DEPRECATED
+
+%token TOK_ERROR
+
+%type<sval> identifier name singleInheritance singleInheritance_opt
+%type<bval> ctors_opt deprecated_opt ellipsis_opt published_opt
+%type<decls> attributeAccessDecl attributeAccessDecls
+%type<dir> direction
+%type<excns> exceptionSpec exceptionSpec_opt exceptions
+%type<flags> flag flagSection flagSection_opt flags
+%type<expr> addExpr andExpr expr multExpr orExpr primaryExpr shiftExpr unaryExpr
+  xorExpr
+%type<type> type
+%type<types> typeArguments
+
+%initial-action { yylloc = 1; }
+
+%%
+
+definitions:
+  definitions definition
+| /* empty */
+;
+
+definition:
+  moduleDecl
+| enumDefn
+| plainStructDefn
+| polymorphicStructTemplateDefn
+| exceptionDefn
+| interfaceDefn
+| typedefDefn
+| constantGroupDefn
+| singleInterfaceBasedServiceDefn
+| accumulationBasedServiceDefn
+| interfaceBasedSingletonDefn
+| serviceBasedSingletonDefn
+| interfaceDecl
+;
+
+moduleDecl:
+  TOK_MODULE identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      OUString name(convertToFullName(data, $2));
+      data->modules.push_back(name);
+      std::pair<std::map<OUString, unoidl::detail::SourceProviderEntity>::iterator, bool> p(
+          data->entities.emplace(
+                  name,
+                  unoidl::detail::SourceProviderEntity(
+                      unoidl::detail::SourceProviderEntity::KIND_MODULE)));
+      if (!p.second
+          && (p.first->second.kind
+              != unoidl::detail::SourceProviderEntity::KIND_MODULE))
+      {
+          error(@2, yyscanner, "multiple entities named " + name);
+          YYERROR;
+      }
+  }
+  '{' definitions '}' ';' { yyget_extra(yyscanner)->modules.pop_back(); }
+;
+
+enumDefn:
+  deprecated_opt published_opt TOK_ENUM identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      convertToCurrentName(data, $4);
+      if (!data->entities.emplace(
+                  data->currentName,
+                  unoidl::detail::SourceProviderEntity(
+                      new unoidl::detail::SourceProviderEnumTypeEntityPad(
+                          $2))).
+          second)
+      {
+          error(@4, yyscanner, "multiple entities named " + data->currentName);
+          YYERROR;
+      }
+  }
+  '{' enumMembers '}' ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+      unoidl::detail::SourceProviderEnumTypeEntityPad * pad =
+          dynamic_cast<unoidl::detail::SourceProviderEnumTypeEntityPad *>(
+              ent->pad.get());
+      assert(pad != nullptr);
+      ent->entity = new unoidl::EnumTypeEntity(
+          pad->isPublished(), std::move(pad->members), annotations($1));
+      ent->pad.clear();
+      clearCurrentState(data);
+  }
+;
+
+enumMembers:
+| enumMembers ',' enumMember
+| enumMember
+;
+
+enumMember:
+  deprecated_opt identifier
+  {
+      OUString id(convertName($2));
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      rtl::Reference<unoidl::detail::SourceProviderEnumTypeEntityPad> pad(
+          getCurrentPad<unoidl::detail::SourceProviderEnumTypeEntityPad>(data));
+      sal_Int32 v;
+      if (pad->members.empty()) {
+          v = 0;
+      } else {
+          v = pad->members.back().value;
+          if (v == SAL_MAX_INT32) {
+              error(
+                  @2, yyscanner,
+                  ("enum " + data->currentName + " member " + id
+                   + " would have out-of-range value 2^31"));
+              YYERROR;
+          }
+          ++v;
+      }
+      pad->members.emplace_back(id, v, annotations($1));
+  }
+| deprecated_opt identifier '=' expr
+  {
+      OUString id(convertName($2));
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      rtl::Reference<unoidl::detail::SourceProviderEnumTypeEntityPad> pad(
+          getCurrentPad<unoidl::detail::SourceProviderEnumTypeEntityPad>(data));
+      sal_Int32 v;
+      switch ($4.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          if ($4.ival < SAL_MIN_INT32 || $4.ival > SAL_MAX_INT32) {
+              error(
+                  @4, yyscanner,
+                  ("out-of-range enum " + data->currentName + " member " + id
+                   + " value " + OUString::number($4.ival)));
+              YYERROR;
+          }
+          v = static_cast<sal_Int32>($4.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          if ($4.uval > SAL_MAX_INT32) {
+              error(
+                  @4, yyscanner,
+                  ("out-of-range enum " + data->currentName + " member " + id
+                   + " value " + OUString::number($4.uval)));
+              YYERROR;
+          }
+          v = static_cast<sal_Int32>($4.uval);
+          break;
+      default:
+          error(
+              @4, yyscanner,
+              ("non-integer enum " + data->currentName + " member " + id
+               + " value"));
+          YYERROR;
+          break;
+      }
+      pad->members.emplace_back(id, v, annotations($1));
+  }
+;
+
+plainStructDefn:
+  deprecated_opt published_opt TOK_STRUCT identifier singleInheritance_opt
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      convertToCurrentName(data, $4);
+      OUString baseName;
+      rtl::Reference<unoidl::PlainStructTypeEntity> baseEnt;
+      if ($5 != nullptr) {
+          baseName = convertName($5);
+          unoidl::detail::SourceProviderEntity const * p;
+          if (findEntity(
+                  @5, yyscanner, data, false, &baseName, &p, nullptr, nullptr)
+              == FOUND_ERROR)
+          {
+              YYERROR;
+          }
+          if (p == nullptr || !p->entity.is()
+              || p->entity->getSort() != unoidl::Entity::SORT_PLAIN_STRUCT_TYPE)
+          {
+              error(
+                  @5, yyscanner,
+                  ("plain struct type " + data->currentName + " base "
+                   + baseName
+                   + " does not resolve to an existing plain struct type"));
+              YYERROR;
+          }
+          baseEnt = static_cast<unoidl::PlainStructTypeEntity *>(
+              p->entity.get());
+          if ($2 && !baseEnt->isPublished()) {
+              error(
+                  @5, yyscanner,
+                  ("published plain struct type " + data->currentName + " base "
+                   + baseName + " is unpublished"));
+              YYERROR;
+          }
+      }
+      if (!data->entities.emplace(
+                  data->currentName,
+                  unoidl::detail::SourceProviderEntity(
+                      new unoidl::detail::SourceProviderPlainStructTypeEntityPad(
+                          $2, baseName, baseEnt))).
+          second)
+      {
+          error(@4, yyscanner, "multiple entities named " + data->currentName);
+          YYERROR;
+      }
+  }
+  '{' structMembers '}' ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+      unoidl::detail::SourceProviderPlainStructTypeEntityPad * pad =
+          dynamic_cast<
+              unoidl::detail::SourceProviderPlainStructTypeEntityPad *>(
+                  ent->pad.get());
+      assert(pad != nullptr);
+      ent->entity = new unoidl::PlainStructTypeEntity(
+          pad->isPublished(), pad->baseName, std::move(pad->members), annotations($1));
+      ent->pad.clear();
+      clearCurrentState(data);
+  }
+;
+
+polymorphicStructTemplateDefn:
+  deprecated_opt published_opt TOK_STRUCT identifier '<'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      convertToCurrentName(data, $4);
+      if (!data->entities.emplace(
+                  data->currentName,
+                  unoidl::detail::SourceProviderEntity(
+                      new unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad(
+                          $2))).
+          second)
+      {
+          error(@4, yyscanner, "multiple entities named " + data->currentName);
+          YYERROR;
+      }
+  }
+  typeParameters '>' '{' structMembers '}' ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+      unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad *
+          pad = dynamic_cast<
+              unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad *>(
+                  ent->pad.get());
+      assert(pad != nullptr);
+      ent->entity = new unoidl::PolymorphicStructTypeTemplateEntity(
+          pad->isPublished(), std::move(pad->typeParameters), std::move(pad->members),
+          annotations($1));
+      ent->pad.clear();
+      clearCurrentState(data);
+  }
+;
+
+typeParameters:
+  typeParameters ',' identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      rtl::Reference<unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad>
+          pad(getCurrentPad<unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad>(
+                  data));
+      OUString id(convertName($3));
+      if (std::find(pad->typeParameters.begin(), pad->typeParameters.end(), id)
+          != pad->typeParameters.end())
+      {
+          error(
+              @3, yyscanner,
+              ("polymorphic struct type template " + data->currentName
+               + " type parameter " + id
+               + " has same identifier as another type parameter"));
+          YYERROR;
+      }
+      pad->typeParameters.push_back(id);
+  }
+| identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      rtl::Reference<unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad>
+          pad(getCurrentPad<unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad>(
+                  data));
+      OUString id(convertName($1));
+      assert(pad->typeParameters.empty());
+      pad->typeParameters.push_back(id);
+  }
+;
+
+exceptionDefn:
+  deprecated_opt published_opt TOK_EXCEPTION identifier singleInheritance_opt
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      convertToCurrentName(data, $4);
+      OUString baseName;
+      rtl::Reference<unoidl::ExceptionTypeEntity> baseEnt;
+      if ($5 != nullptr) {
+          baseName = convertName($5);
+          unoidl::detail::SourceProviderEntity const * p;
+          if (findEntity(
+                  @5, yyscanner, data, false, &baseName, &p, nullptr, nullptr)
+              == FOUND_ERROR)
+          {
+              YYERROR;
+          }
+          if (p == nullptr || !p->entity.is()
+              || p->entity->getSort() != unoidl::Entity::SORT_EXCEPTION_TYPE)
+          {
+              error(
+                  @5, yyscanner,
+                  ("exception type " + data->currentName + " base " + baseName
+                   + " does not resolve to an existing exception type"));
+              YYERROR;
+          }
+          baseEnt = static_cast<unoidl::ExceptionTypeEntity *>(
+              p->entity.get());
+          if ($2 && !baseEnt->isPublished()) {
+              error(
+                  @5, yyscanner,
+                  ("published exception type " + data->currentName + " base "
+                   + baseName + " is unpublished"));
+              YYERROR;
+          }
+      }
+      if (!data->entities.emplace(
+                  data->currentName,
+                  unoidl::detail::SourceProviderEntity(
+                      new unoidl::detail::SourceProviderExceptionTypeEntityPad(
+                          $2, baseName, baseEnt))).
+          second)
+      {
+          error(@4, yyscanner, "multiple entities named " + data->currentName);
+          YYERROR;
+      }
+  }
+ '{' structMembers '}' ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+      unoidl::detail::SourceProviderExceptionTypeEntityPad * pad =
+          dynamic_cast<unoidl::detail::SourceProviderExceptionTypeEntityPad *>(
+              ent->pad.get());
+      assert(pad != nullptr);
+      ent->entity = new unoidl::ExceptionTypeEntity(
+          pad->isPublished(), pad->baseName, std::move(pad->members), annotations($1));
+      ent->pad.clear();
+      clearCurrentState(data);
+  }
+;
+
+structMembers:
+  structMembers structMember
+| /* empty */
+;
+
+structMember:
+  deprecated_opt type identifier ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderType t(*$2);
+      delete $2;
+      OUString id(convertName($3));
+      switch (t.type) {
+      case unoidl::detail::SourceProviderType::TYPE_VOID:
+      case unoidl::detail::SourceProviderType::TYPE_EXCEPTION:
+          error(
+              @2, yyscanner,
+              ("illegal struct/exception type " + data->currentName
+               + " direct member " + id + " type"));
+          YYERROR;
+          break;
+      default:
+          break;
+      }
+      if (t.type != unoidl::detail::SourceProviderType::TYPE_PARAMETER
+          && t.getName() == data->currentName) // no need to worry about typedef
+      {
+          error(
+              @2, yyscanner,
+              ("struct/exception type " + data->currentName + " direct member "
+               + id + " has same type as the type itself"));
+          YYERROR;
+      }
+      if (checkInstantiatedPolymorphicStructTypeArgument(t, data->currentName))
+      {
+          error(
+              @2, yyscanner,
+              ("struct/exception type " + data->currentName + " direct member "
+               + id
+               + (" has instantiated polymorphic struct type that uses the type"
+                  " itself as an argument")));
+          YYERROR;
+      }
+      if (nameHasSameIdentifierAs(data->currentName, id)) {
+          error(
+              @3, yyscanner,
+              ("struct/exception type " + data->currentName + " direct member "
+               + id + " has same unqualified identifier as the type itself"));
+          YYERROR;
+      }
+      unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+      unoidl::detail::SourceProviderPlainStructTypeEntityPad * p1 =
+          dynamic_cast<unoidl::detail::SourceProviderPlainStructTypeEntityPad *>(
+              ent->pad.get());
+      if (p1 != nullptr) {
+          for (const auto & i: p1->members) {
+              if (id == i.name) {
+                  error(
+                      @3, yyscanner,
+                      ("plain struct type " + data->currentName
+                       + " direct member " + id
+                       + " has same identifier as another direct member"));
+                  YYERROR;
+              }
+          }
+          if (p1->baseEntity.is()) {
+              OUString baseName(p1->baseName);
+              for (auto baseEnt(p1->baseEntity);;) {
+                  if (nameHasSameIdentifierAs(baseName, id)) {
+                      error(
+                          @3, yyscanner,
+                          ("plain struct type " + data->currentName
+                           + " direct member " + id
+                           + " has same unqalified identifier as base "
+                           + baseName));
+                      YYERROR;
+                  }
+                  for (auto & i: baseEnt->getDirectMembers()) {
+                      if (id == i.name) {
+                          error(
+                              @3, yyscanner,
+                              ("plain struct type " + data->currentName
+                               + " direct member " + id
+                               + " has same identifier as a member of base "
+                               + baseName));
+                          YYERROR;
+                      }
+                  }
+                  baseName = baseEnt->getDirectBase();
+                  if (baseName.isEmpty()) {
+                      break;
+                  }
+                  unoidl::detail::SourceProviderEntity const * p;
+                  if (findEntity(
+                          @2, yyscanner, data, false, &baseName, &p, nullptr,
+                          nullptr)
+                      == FOUND_ERROR)
+                  {
+                      YYERROR;
+                  }
+                  if (p == nullptr || !p->entity.is()
+                      || (p->entity->getSort()
+                          != unoidl::Entity::SORT_PLAIN_STRUCT_TYPE))
+                  {
+                      error(
+                          @2, yyscanner,
+                          ("inconsistent type manager: plain struct type "
+                           + data->currentName + " base " + baseName
+                           + (" does not resolve to an existing plain struct"
+                              " type")));
+                      YYERROR;
+                  }
+                  baseEnt = static_cast<unoidl::PlainStructTypeEntity *>(
+                      p->entity.get());
+              }
+          }
+          p1->members.emplace_back(id, t.getName(), annotations($1));
+      } else {
+          unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad *
+              p2 = dynamic_cast<unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad *>(
+                  ent->pad.get());
+          if (p2 != nullptr) {
+              for (const auto & i: p2->members) {
+                  if (id == i.name) {
+                      error(
+                          @3, yyscanner,
+                          ("polymorphic struct type template "
+                           + data->currentName + " direct member " + id
+                           + " has same identifier as another direct member"));
+                      YYERROR;
+                  }
+              }
+              p2->members.emplace_back(
+                  id, t.getName(),
+                  t.type == unoidl::detail::SourceProviderType::TYPE_PARAMETER,
+                  annotations($1));
+          } else {
+              unoidl::detail::SourceProviderExceptionTypeEntityPad * p3
+                  = dynamic_cast<unoidl::detail::SourceProviderExceptionTypeEntityPad *>(
+                      ent->pad.get());
+              assert(p3 != nullptr);
+              for (const auto & i: p3->members) {
+                  if (id == i.name) {
+                      error(
+                          @3, yyscanner,
+                          ("exception type " + data->currentName
+                           + " direct member " + id
+                           + " has same identifier as another direct member"));
+                      YYERROR;
+                  }
+              }
+              if (p3->baseEntity.is()) {
+                  OUString baseName(p3->baseName);
+                  for (auto baseEnt(p3->baseEntity);;) {
+                      if (nameHasSameIdentifierAs(baseName, id)) {
+                          error(
+                              @3, yyscanner,
+                              ("exception type " + data->currentName
+                               + " direct member " + id
+                               + " has same unqalified identifier as base "
+                               + baseName));
+                          YYERROR;
+                      }
+                      for (auto & i: baseEnt->getDirectMembers()) {
+                          if (id == i.name) {
+                              error(
+                                  @3, yyscanner,
+                                  ("exception type " + data->currentName
+                                   + " direct member " + id
+                                   + " has same identifier as a member of base "
+                                   + baseName));
+                              YYERROR;
+                          }
+                      }
+                      baseName = baseEnt->getDirectBase();
+                      if (baseName.isEmpty()) {
+                          break;
+                      }
+                      unoidl::detail::SourceProviderEntity const * p;
+                      if (findEntity(
+                              @2, yyscanner, data, false, &baseName, &p,
+                              nullptr, nullptr)
+                          == FOUND_ERROR)
+                      {
+                          YYERROR;
+                      }
+                      if (p == nullptr || !p->entity.is()
+                          || (p->entity->getSort()
+                              != unoidl::Entity::SORT_EXCEPTION_TYPE))
+                      {
+                          error(
+                              @2, yyscanner,
+                              ("inconsistent type manager: exception type "
+                               + data->currentName + " base " + baseName
+                               + (" does not resolve to an existing exception"
+                                  " type")));
+                          YYERROR;
+                      }
+                      baseEnt = static_cast<unoidl::ExceptionTypeEntity *>(
+                          p->entity.get());
+                  }
+              }
+              p3->members.emplace_back(id, t.getName(), annotations($1));
+          }
+      }
+  }
+;
+
+interfaceDefn:
+  deprecated_opt published_opt TOK_INTERFACE identifier singleInheritance_opt
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      convertToCurrentName(data, $4);
+      OUString baseName;
+      rtl::Reference<unoidl::InterfaceTypeEntity> baseEnt;
+      if ($5 != nullptr) {
+          baseName = convertName($5);
+          unoidl::detail::SourceProviderEntity const * p;
+          if (findEntity(
+                  @5, yyscanner, data, true, &baseName, &p, nullptr, nullptr)
+              == FOUND_ERROR)
+          {
+              YYERROR;
+          }
+          if (p == nullptr || !p->entity.is()
+              || p->entity->getSort() != unoidl::Entity::SORT_INTERFACE_TYPE)
+          {
+              error(
+                  @5, yyscanner,
+                  ("interface type " + data->currentName + " direct base "
+                   + baseName
+                   + " does not resolve to an existing interface type"));
+              YYERROR;
+          }
+          baseEnt = static_cast<unoidl::InterfaceTypeEntity *>(p->entity.get());
+          if ($2 && !baseEnt->isPublished()) {
+              error(
+                  @5, yyscanner,
+                  ("published interface type " + data->currentName
+                   + " direct base " + baseName + " is unpublished"));
+              YYERROR;
+          }
+      }
+      std::map<OUString, unoidl::detail::SourceProviderEntity>::iterator i(
+          data->entities.find(data->currentName));
+      if (i != data->entities.end()) {
+          switch (i->second.kind) {
+          case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+              break;
+          case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+              if (!$2) {
+                  error(
+                      @4, yyscanner,
+                      ("unpublished interface type " + data->currentName
+                       + " has been declared published"));
+                  YYERROR;
+              }
+              break;
+          default:
+              error(
+                  @4, yyscanner,
+                  "multiple entities named " + data->currentName);
+              YYERROR;
+              break;
+          }
+      }
+      rtl::Reference<unoidl::detail::SourceProviderInterfaceTypeEntityPad> pad(
+          new unoidl::detail::SourceProviderInterfaceTypeEntityPad(
+              $2, baseEnt.is()));
+      if (baseEnt.is()
+          && !pad->addDirectBase(
+              @4, yyscanner, data,
+              unoidl::detail::SourceProviderInterfaceTypeEntityPad::DirectBase(
+                  baseName, baseEnt, std::vector<OUString>()),
+              false))
+      {
+          YYERROR;
+      }
+      data->entities[data->currentName] = unoidl::detail::SourceProviderEntity(
+          pad);
+  }
+  '{' interfaceMembers '}' ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+      unoidl::detail::SourceProviderInterfaceTypeEntityPad * pad =
+          dynamic_cast<unoidl::detail::SourceProviderInterfaceTypeEntityPad *>(
+              ent->pad.get());
+      assert(pad != nullptr);
+      if (pad->directMandatoryBases.empty()
+          && data->currentName != "com.sun.star.uno.XInterface")
+      {
+          OUString base(".com.sun.star.uno.XInterface");
+          unoidl::detail::SourceProviderEntity const * p;
+          if (findEntity(@4, yyscanner, data, true, &base, &p, nullptr, nullptr)
+              == FOUND_ERROR)
+          {
+              YYERROR;
+          }
+          if (p == nullptr || !p->entity.is()
+              || p->entity->getSort() != unoidl::Entity::SORT_INTERFACE_TYPE)
+          {
+              error(
+                  @3, yyscanner,
+                  ("interface type " + data->currentName
+                   + " implicit direct base " + base
+                   + " does not resolve to an existing interface type"));
+              YYERROR;
+          }
+          if (!pad->addDirectBase(
+                  @3, yyscanner, data,
+                  unoidl::detail::SourceProviderInterfaceTypeEntityPad::DirectBase(
+                      base,
+                      static_cast<unoidl::InterfaceTypeEntity *>(
+                          p->entity.get()),
+                      std::vector<OUString>()),
+                  false))
+          {
+              YYERROR;
+          }
+      }
+      std::vector<unoidl::AnnotatedReference> mbases;
+      for (auto & i: pad->directMandatoryBases) {
+          mbases.emplace_back(i.name, std::move(i.annotations));
+      }
+      std::vector<unoidl::AnnotatedReference> obases;
+      for (auto & i: pad->directOptionalBases) {
+          obases.emplace_back(i.name, std::move(i.annotations));
+      }
+      ent->entity = new unoidl::InterfaceTypeEntity(
+          pad->isPublished(), std::move(mbases), std::move(obases), std::move(pad->directAttributes),
+          std::move(pad->directMethods), annotations($1));
+      ent->pad.clear();
+      clearCurrentState(data);
+  }
+;
+
+interfaceMembers:
+ interfaceMembers interfaceMember
+| /* empty */
+;
+
+interfaceMember:
+  interfaceBase
+| interfaceAttribute
+| interfaceMethod
+;
+
+interfaceBase:
+  deprecated_opt flagSection_opt TOK_INTERFACE name ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      OUString name(convertName($4));
+      rtl::Reference<unoidl::detail::SourceProviderInterfaceTypeEntityPad> pad(
+          getCurrentPad<unoidl::detail::SourceProviderInterfaceTypeEntityPad>(
+              data));
+      if (pad->singleBase) {
+          error(
+              @3, yyscanner,
+              "single-inheritance interface cannot have additional bases");
+          YYERROR;
+      }
+      if (($2 & ~unoidl::detail::FLAG_OPTIONAL) != 0) {
+          error(
+              @2, yyscanner,
+              "interface base can only be flagged as [optional]");
+          YYERROR;
+      }
+      bool opt = ($2 & unoidl::detail::FLAG_OPTIONAL) != 0;
+      OUString orgName(name);
+      unoidl::detail::SourceProviderEntity const * p;
+      bool typedefed = false;
+      if (findEntity(@4, yyscanner, data, true, &name, &p, &typedefed, nullptr)
+          == FOUND_ERROR)
+      {
+          YYERROR;
+      }
+      if (p == nullptr || !p->entity.is()
+          || p->entity->getSort() != unoidl::Entity::SORT_INTERFACE_TYPE)
+      {
+          error(
+              @4, yyscanner,
+              ("interface type " + data->currentName + " direct base " + name
+               + " does not resolve to an existing interface type"));
+          YYERROR;
+      }
+      if (typedefed) {
+          error(
+              @4, yyscanner,
+              ("interface type " + data->currentName + " direct base " + orgName
+               + " is a typedef"));
+          YYERROR;
+      }
+      rtl::Reference<unoidl::InterfaceTypeEntity> ent(
+          static_cast<unoidl::InterfaceTypeEntity *>(p->entity.get()));
+      if (data->publishedContext && !ent->isPublished()) {
+          error(
+              @4, yyscanner,
+              ("published interface type " + data->currentName + " direct base "
+               + name + " is unpublished"));
+          YYERROR;
+      }
+      if (!pad->addDirectBase(
+              @4, yyscanner, data,
+              unoidl::detail::SourceProviderInterfaceTypeEntityPad::DirectBase(
+                  name, ent, annotations($1)),
+              opt))
+      {
+          YYERROR;
+      }
+  }
+;
+
+interfaceAttribute:
+  deprecated_opt flagSection type identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderType t(*$3);
+      delete $3;
+      OUString id(convertName($4));
+      if (($2 & unoidl::detail::FLAG_ATTRIBUTE) == 0) {
+          error(
+              @2, yyscanner,
+              "interface attribute must be flagged as [attribute]");
+          YYERROR;
+      }
+      if (($2
+           & ~(unoidl::detail::FLAG_ATTRIBUTE | unoidl::detail::FLAG_BOUND
+               | unoidl::detail::FLAG_READONLY))
+          != 0)
+      {
+          error(
+              @2, yyscanner,
+              ("interface attribute can only be flagged as [attribute,"
+               " bound, readonly]"));
+          YYERROR;
+      }
+      switch (t.type) {
+      case unoidl::detail::SourceProviderType::TYPE_VOID:
+      case unoidl::detail::SourceProviderType::TYPE_EXCEPTION:
+          error(
+              @3, yyscanner,
+              ("illegal interface type " + data->currentName
+               + " direct attribute " + id + " type"));
+          YYERROR;
+          break;
+      default:
+          break;
+      }
+      rtl::Reference<unoidl::detail::SourceProviderInterfaceTypeEntityPad> pad(
+          getCurrentPad<unoidl::detail::SourceProviderInterfaceTypeEntityPad>(
+              data));
+      if (!pad->addDirectMember(@4, yyscanner, data, id)) {
+          YYERROR;
+      }
+      pad->directAttributes.emplace_back(
+          id, t.getName(), ($2 & unoidl::detail::FLAG_BOUND) != 0,
+          ($2 & unoidl::detail::FLAG_READONLY) != 0,
+          std::vector<OUString>(), std::vector<OUString>(), annotations($1));
+  }
+  attributeAccessDecls_opt ';'
+;
+
+attributeAccessDecls_opt:
+  '{' attributeAccessDecls '}'
+| /* empty */
+;
+
+attributeAccessDecls:
+  attributeAccessDecls attributeAccessDecl
+  {
+      if (($1 & $2) != 0) {
+          error(
+              @2, yyscanner, "duplicate get/set attribute access declaration");
+          YYERROR;
+      }
+      $$ = unoidl::detail::SourceProviderAccessDecls($1 | $2);
+  }
+| /* empty */ { $$ = unoidl::detail::SourceProviderAccessDecls(0); }
+;
+
+attributeAccessDecl:
+  TOK_GET exceptionSpec ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      rtl::Reference<unoidl::detail::SourceProviderInterfaceTypeEntityPad>
+          pad(getCurrentPad<unoidl::detail::SourceProviderInterfaceTypeEntityPad>(
+              data));
+      assert(!pad->directAttributes.empty());
+      pad->directAttributes.back().getExceptions = *$2;
+      delete $2;
+      $$ = unoidl::detail::ACCESS_DECL_GET;
+  }
+| TOK_SET exceptionSpec ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      rtl::Reference<unoidl::detail::SourceProviderInterfaceTypeEntityPad>
+          pad(getCurrentPad<unoidl::detail::SourceProviderInterfaceTypeEntityPad>(
+              data));
+      assert(!pad->directAttributes.empty());
+      pad->directAttributes.back().setExceptions = *$2;
+      delete $2;
+      if (pad->directAttributes.back().readOnly) {
+          error(
+              @1, yyscanner,
+              ("interface type " + data->currentName
+               + " direct read-only attribute "
+               + pad->directAttributes.back().name
+               + " cannot have set access declaration"));
+          YYERROR;
+      }
+      $$ = unoidl::detail::ACCESS_DECL_SET;
+  }
+;
+
+interfaceMethod:
+  deprecated_opt type identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderType t(*$2);
+      delete $2;
+      OUString id(convertName($3));
+      if (t.type == unoidl::detail::SourceProviderType::TYPE_EXCEPTION) {
+          error(
+              @3, yyscanner,
+              ("illegal interface type " + data->currentName
+               + " direct method " + id + " return type"));
+          YYERROR;
+      }
+      rtl::Reference<unoidl::detail::SourceProviderInterfaceTypeEntityPad> pad(
+          getCurrentPad<unoidl::detail::SourceProviderInterfaceTypeEntityPad>(
+              data));
+      if (!pad->addDirectMember(@3, yyscanner, data, id)) {
+          YYERROR;
+      }
+      pad->directMethods.emplace_back(
+          id, t.getName(),
+          std::vector<unoidl::InterfaceTypeEntity::Method::Parameter>(),
+          std::vector<OUString>(), annotations($1));
+  }
+  '(' methodParams_opt ')' exceptionSpec_opt ';'
+  {
+      if ($8 != nullptr) {
+          unoidl::detail::SourceProviderScannerData * data
+              = yyget_extra(yyscanner);
+          rtl::Reference<unoidl::detail::SourceProviderInterfaceTypeEntityPad>
+              pad(getCurrentPad<unoidl::detail::SourceProviderInterfaceTypeEntityPad>(
+                  data));
+          assert(!pad->directMethods.empty());
+          pad->directMethods.back().exceptions = *$8;
+          delete $8;
+      }
+  }
+;
+
+methodParams_opt:
+  methodParams
+| /* empty */
+;
+
+methodParams:
+  methodParams ',' methodParam
+| methodParam
+;
+
+methodParam:
+  '[' direction ']' type identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderType t(*$4);
+      delete $4;
+      OUString id(convertName($5));
+      rtl::Reference<unoidl::detail::SourceProviderInterfaceTypeEntityPad>
+          pad(getCurrentPad<unoidl::detail::SourceProviderInterfaceTypeEntityPad>(
+              data));
+      assert(!pad->directMethods.empty());
+      switch (t.type) {
+      case unoidl::detail::SourceProviderType::TYPE_VOID:
+      case unoidl::detail::SourceProviderType::TYPE_EXCEPTION:
+          error(
+              @4, yyscanner,
+              ("illegal interface type " + data->currentName
+               + " direct method " + pad->directMethods.back().name
+               + " parameter " + id + " type"));
+          YYERROR;
+          break;
+      default:
+          break;
+      }
+      for (const auto & i: pad->directMethods.back().parameters) {
+          if (id == i.name) {
+              error(
+                  @5, yyscanner,
+                  ("interface type " + data->currentName + " direct method "
+                   + pad->directMethods.back().name + " parameter " + id
+                   + " has same identifier as another parameter"));
+              YYERROR;
+          }
+      }
+      pad->directMethods.back().parameters.emplace_back(id, t.getName(), $2);
+  }
+;
+
+direction:
+  TOK_IN { $$ = unoidl::InterfaceTypeEntity::Method::Parameter::DIRECTION_IN; }
+| TOK_OUT
+  { $$ = unoidl::InterfaceTypeEntity::Method::Parameter::DIRECTION_OUT; }
+| TOK_INOUT
+  { $$ = unoidl::InterfaceTypeEntity::Method::Parameter::DIRECTION_IN_OUT; }
+;
+
+typedefDefn:
+  deprecated_opt published_opt TOK_TYPEDEF type identifier ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      unoidl::detail::SourceProviderType t(*$4);
+      delete $4;
+      OUString name(convertToFullName(data, $5));
+      // There is no good reason to forbid typedefs to VOID, to instantiated
+      // polymorphic struct types, and to exception types, but some old client
+      // code of registry data expects this typedef restriction (like the
+      // assert(false) default in handleTypedef in
+      // codemaker/source/javamaker/javatype.cxx), so forbid them for now:
+      switch (t.type) {
+      case unoidl::detail::SourceProviderType::TYPE_VOID:
+      case unoidl::detail::SourceProviderType::TYPE_EXCEPTION:
+      case unoidl::detail::SourceProviderType::TYPE_INSTANTIATED_POLYMORPHIC_STRUCT:
+          error(@4, yyscanner, "bad typedef type");
+          YYERROR;
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_ENUM:
+      case unoidl::detail::SourceProviderType::TYPE_PLAIN_STRUCT:
+      case unoidl::detail::SourceProviderType::TYPE_INTERFACE:
+          if ($2) {
+              bool unpub = false;
+              switch (t.entity->kind) {
+              case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+                  unpub = true;
+                  break;
+              case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+                  break;
+              case unoidl::detail::SourceProviderEntity::KIND_MODULE:
+                  O3TL_UNREACHABLE;
+              default:
+                  assert(t.entity->entity.is() || t.entity->pad.is());
+                  unpub
+                      = !(t.entity->entity.is()
+                          ? static_cast<unoidl::PublishableEntity *>(
+                              t.entity->entity.get())->isPublished()
+                          : t.entity->pad->isPublished());
+                  break;
+              }
+              if (unpub) {
+                  error(
+                      @4, yyscanner,
+                      "published typedef " + name + " type is unpublished");
+                  YYERROR;
+              }
+          }
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_PARAMETER:
+          O3TL_UNREACHABLE;
+      default:
+          break;
+      }
+      if (!data->entities.emplace(
+                  name,
+                  unoidl::detail::SourceProviderEntity(
+                      unoidl::detail::SourceProviderEntity::KIND_LOCAL,
+                      new unoidl::TypedefEntity(
+                          $2, t.getName(), annotations($1)))).
+          second)
+      {
+          error(@5, yyscanner, "multiple entities named " + name);
+          YYERROR;
+      }
+      clearCurrentState(data);
+  }
+;
+
+constantGroupDefn:
+  deprecated_opt published_opt TOK_CONSTANTS identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      convertToCurrentName(data, $4);
+      if (!data->entities.emplace(
+                  data->currentName,
+                  unoidl::detail::SourceProviderEntity(
+                      new unoidl::detail::SourceProviderConstantGroupEntityPad(
+                          $2))).
+          second)
+      {
+          error(@4, yyscanner, "multiple entities named " + data->currentName);
+          YYERROR;
+      }
+  }
+  '{' constants '}' ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+      unoidl::detail::SourceProviderConstantGroupEntityPad * pad =
+          dynamic_cast<unoidl::detail::SourceProviderConstantGroupEntityPad *>(
+              ent->pad.get());
+      assert(pad != nullptr);
+      ent->entity = new unoidl::ConstantGroupEntity(
+          pad->isPublished(), std::move(pad->members), annotations($1));
+      ent->pad.clear();
+      clearCurrentState(data);
+  }
+;
+
+constants:
+  constants constant
+| /* empty */
+;
+
+constant:
+  deprecated_opt TOK_CONST type identifier '=' expr ';'
+  {
+      OUString id(convertName($4));
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      rtl::Reference<unoidl::detail::SourceProviderConstantGroupEntityPad> pad(
+          getCurrentPad<unoidl::detail::SourceProviderConstantGroupEntityPad>(
+              data));
+      unoidl::detail::SourceProviderType t(*$3);
+      delete $3;
+      unoidl::ConstantValue v(false); // dummy value
+      switch (t.type) {
+      case unoidl::detail::SourceProviderType::TYPE_BOOLEAN:
+          if ($6.type != unoidl::detail::SourceProviderExpr::TYPE_BOOL) {
+              error(
+                  @6, yyscanner,
+                  ("bad value of boolean-typed constant " + data->currentName
+                   + "." + id));
+              YYERROR;
+          }
+          v = unoidl::ConstantValue($6.bval);
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_BYTE:
+          switch ($6.type) {
+          case unoidl::detail::SourceProviderExpr::TYPE_INT:
+              if ($6.ival < SAL_MIN_INT8 || $6.ival > SAL_MAX_INT8) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range byte-typed constant " + data->currentName
+                       + "." + id + " value " + OUString::number($6.ival)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_Int8>($6.ival));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+              if ($6.uval > SAL_MAX_INT8) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range byte-typed constant " + data->currentName
+                       + "." + id + " value " + OUString::number($6.uval)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_Int8>($6.uval));
+              break;
+          default:
+              error(
+                  @6, yyscanner,
+                  ("bad value of byte-typed constant " + data->currentName + "."
+                   + id));
+              YYERROR;
+              break;
+          }
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_SHORT:
+          switch ($6.type) {
+          case unoidl::detail::SourceProviderExpr::TYPE_INT:
+              if ($6.ival < SAL_MIN_INT16 || $6.ival > SAL_MAX_INT16) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range short-typed constant " + data->currentName
+                       + "." + id + " value " + OUString::number($6.ival)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_Int16>($6.ival));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+              if ($6.uval > SAL_MAX_INT16) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range short-typed constant " + data->currentName
+                       + "." + id + " value " + OUString::number($6.uval)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_Int16>($6.uval));
+              break;
+          default:
+              error(
+                  @6, yyscanner,
+                  ("bad value of short-typed constant " + data->currentName
+                   + "." + id));
+              YYERROR;
+              break;
+          }
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_UNSIGNED_SHORT:
+          switch ($6.type) {
+          case unoidl::detail::SourceProviderExpr::TYPE_INT:
+              if ($6.ival < 0 || $6.ival > SAL_MAX_UINT16) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range unsigned-short-typed constant "
+                       + data->currentName + "." + id + " value "
+                       + OUString::number($6.ival)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_uInt16>($6.ival));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+              if ($6.uval > SAL_MAX_UINT16) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range unsigned-short-typed constant "
+                       + data->currentName + "." + id + " value "
+                       + OUString::number($6.uval)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_uInt16>($6.uval));
+              break;
+          default:
+              error(
+                  @6, yyscanner,
+                  ("bad value of unsigned-short-typed constant "
+                   + data->currentName + "." + id));
+              YYERROR;
+              break;
+          }
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_LONG:
+          switch ($6.type) {
+          case unoidl::detail::SourceProviderExpr::TYPE_INT:
+              if ($6.ival < SAL_MIN_INT32 || $6.ival > SAL_MAX_INT32) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range long-typed constant " + data->currentName
+                       + "." + id + " value " + OUString::number($6.ival)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_Int32>($6.ival));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+              if ($6.uval > SAL_MAX_INT32) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range long-typed constant " + data->currentName
+                       + "." + id + " value " + OUString::number($6.uval)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_Int32>($6.uval));
+              break;
+          default:
+              error(
+                  @6, yyscanner,
+                  ("bad value of long-typed constant " + data->currentName
+                   + "." + id));
+              YYERROR;
+              break;
+          }
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_UNSIGNED_LONG:
+          switch ($6.type) {
+          case unoidl::detail::SourceProviderExpr::TYPE_INT:
+              if ($6.ival < 0 || $6.ival > SAL_MAX_UINT32) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range unsigned-long-typed constant "
+                       + data->currentName + "." + id + " value "
+                       + OUString::number($6.ival)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_uInt32>($6.ival));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+              if ($6.uval > SAL_MAX_UINT32) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range unsigned-long-typed constant "
+                       + data->currentName + "." + id + " value "
+                       + OUString::number($6.uval)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_uInt32>($6.uval));
+              break;
+          default:
+              error(
+                  @6, yyscanner,
+                  ("bad value of unsigned-long-typed constant "
+                   + data->currentName + "." + id));
+              YYERROR;
+              break;
+          }
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_HYPER:
+          switch ($6.type) {
+          case unoidl::detail::SourceProviderExpr::TYPE_INT:
+              v = unoidl::ConstantValue($6.ival);
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+              if ($6.uval > SAL_MAX_INT64) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range hyper-typed constant " + data->currentName
+                       + "." + id + " value " + OUString::number($6.uval)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_Int64>($6.uval));
+              break;
+          default:
+              error(
+                  @6, yyscanner,
+                  ("bad value of hyper-typed constant " + data->currentName
+                   + "." + id));
+              YYERROR;
+              break;
+          }
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_UNSIGNED_HYPER:
+          switch ($6.type) {
+          case unoidl::detail::SourceProviderExpr::TYPE_INT:
+              if ($6.ival < 0) {
+                  error(
+                      @6, yyscanner,
+                      ("out-of-range unsigned-hyper-typed constant "
+                       + data->currentName + "." + id + " value "
+                       + OUString::number($6.ival)));
+                  YYERROR;
+              }
+              v = unoidl::ConstantValue(static_cast<sal_uInt64>($6.ival));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+              v = unoidl::ConstantValue($6.uval);
+              break;
+          default:
+              error(
+                  @6, yyscanner,
+                  ("bad value of unsigned-hyper-typed constant "
+                   + data->currentName + "." + id));
+              YYERROR;
+              break;
+          }
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_FLOAT:
+          switch ($6.type) {
+          case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+              error(
+                  @6, yyscanner,
+                  ("bad boolean value of float-typed constant "
+                   + data->currentName + "." + id));
+              YYERROR;
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_INT:
+              v = unoidl::ConstantValue(static_cast<float>($6.ival));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+              v = unoidl::ConstantValue(static_cast<float>($6.uval));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+              v = unoidl::ConstantValue(static_cast<float>($6.fval));
+              break;
+          }
+          break;
+      case unoidl::detail::SourceProviderType::TYPE_DOUBLE:
+          switch ($6.type) {
+          case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+              error(
+                  @6, yyscanner,
+                  ("bad boolean value of double-typed constant "
+                   + data->currentName + "." + id));
+              YYERROR;
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_INT:
+              v = unoidl::ConstantValue(static_cast<double>($6.ival));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+              v = unoidl::ConstantValue(static_cast<double>($6.uval));
+              break;
+          case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+              v = unoidl::ConstantValue($6.fval);
+              break;
+          }
+          break;
+      default:
+          error(
+              @3, yyscanner,
+              "bad type for constant " + data->currentName + "." + id);
+          YYERROR;
+          break;
+      }
+      pad->members.emplace_back(id, v, annotations($1));
+  }
+;
+
+singleInterfaceBasedServiceDefn:
+  deprecated_opt published_opt TOK_SERVICE identifier singleInheritance
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      convertToCurrentName(data, $4);
+      OUString base(convertName($5));
+      unoidl::detail::SourceProviderEntity const * p;
+      if (findEntity(@5, yyscanner, data, false, &base, &p, nullptr, nullptr)
+          == FOUND_ERROR)
+      {
+          YYERROR;
+      }
+      bool ifcBase = false;
+      bool pubBase = false;
+      if (p != nullptr) {
+          switch (p->kind) {
+          case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+              ifcBase = true;
+              pubBase = false;
+              break;
+          case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+              ifcBase = true;
+              pubBase = true;
+              break;
+          default:
+              if (p->entity.is()
+                  && (p->entity->getSort()
+                      == unoidl::Entity::SORT_INTERFACE_TYPE))
+              {
+                  ifcBase = true;
+                  pubBase = static_cast<unoidl::InterfaceTypeEntity *>(
+                      p->entity.get())->isPublished();
+              }
+              break;
+          }
+      }
+      if (!ifcBase) {
+          error(
+              @5, yyscanner,
+              ("single-interface--based service " + data->currentName + " base "
+               + base + " does not resolve to an interface type"));
+          YYERROR;
+      }
+      if ($2 && !pubBase) {
+          error(
+              @5, yyscanner,
+              ("published single-interface--based service " + data->currentName
+               + " base " + base + " is unpublished"));
+          YYERROR;
+      }
+      if (!data->entities.emplace(
+                  data->currentName,
+                  unoidl::detail::SourceProviderEntity(
+                      new unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad(
+                          $2, base))).
+          second)
+      {
+          error(@4, yyscanner, "multiple entities named " + data->currentName);
+          YYERROR;
+      }
+  }
+  ctors_opt ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+      unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad * pad =
+          dynamic_cast<unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad *>(
+              ent->pad.get());
+      assert(pad != nullptr);
+      std::vector<unoidl::SingleInterfaceBasedServiceEntity::Constructor> ctors;
+      if ($7) {
+          for (const auto & i: pad->constructors) {
+              std::vector<unoidl::SingleInterfaceBasedServiceEntity::Constructor::Parameter> parms;
+              for (auto & j: i.parameters) {
+                  parms.emplace_back(j.name, j.type.getName(), j.rest);
+              }
+              ctors.push_back(
+                  unoidl::SingleInterfaceBasedServiceEntity::Constructor(
+                      i.name, std::vector(parms), std::vector(i.exceptions), std::vector(i.annotations)));
+          }
+      } else {
+          assert(pad->constructors.empty());
+          ctors.push_back(
+              unoidl::SingleInterfaceBasedServiceEntity::Constructor());
+      }
+      ent->entity = new unoidl::SingleInterfaceBasedServiceEntity(
+          pad->isPublished(), pad->base, std::move(ctors), annotations($1));
+      ent->pad.clear();
+      clearCurrentState(data);
+  }
+;
+
+ctors_opt:
+  '{' ctors '}' { $$ = true; }
+| /* empty */ { $$ = false; }
+;
+
+ctors:
+  ctors ctor
+| /* empty */
+;
+
+ctor:
+  deprecated_opt identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      OUString id(convertName($2));
+      rtl::Reference<unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad>
+          pad(getCurrentPad<unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad>(
+                  data));
+      for (const auto & i: pad->constructors) {
+          if (id == i.name) {
+              error(
+                  @2, yyscanner,
+                  ("single-interface--based service " + data->currentName
+                   + " constructor " + id
+                   + " has same identifier as another constructor"));
+              YYERROR;
+          }
+      }
+      pad->constructors.push_back(
+          unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad::Constructor(
+              id, annotations($1)));
+  }
+  '(' ctorParams_opt ')' exceptionSpec_opt ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      rtl::Reference<unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad>
+          pad(getCurrentPad<unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad>(
+                  data));
+      assert(!pad->constructors.empty());
+      if ($7 != nullptr) {
+          pad->constructors.back().exceptions = *$7;
+          delete $7;
+      }
+      for (auto i(pad->constructors.begin()); i != pad->constructors.end() - 1;
+           ++i)
+      {
+          if (i->parameters.size()
+              == pad->constructors.back().parameters.size())
+          {
+              bool same = true;
+              for (auto
+                       j(i->parameters.begin()),
+                       k(pad->constructors.back().parameters.begin());
+                   j != i->parameters.end(); ++j, ++k)
+              {
+                  if (!j->type.equals(k->type) || j->rest != k->rest) {
+                      same = false;
+                      break;
+                  }
+              }
+              if (same) {
+                  error(
+                      @2, yyscanner,
+                      ("single-interface--based service " + data->currentName
+                       + " constructor " + pad->constructors.back().name
+                       + " has similar paramete list to constructor "
+                       + i->name));
+                  YYERROR;
+              }
+          }
+      }
+  }
+;
+
+ctorParams_opt:
+  ctorParams
+| /* empty */
+;
+
+ctorParams:
+  ctorParams ',' ctorParam
+| ctorParam
+;
+
+ctorParam:
+  '[' direction ']' type ellipsis_opt identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderType t(*$4);
+      delete $4;
+      OUString id(convertName($6));
+      rtl::Reference<unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad>
+          pad(getCurrentPad<unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad>(
+              data));
+      assert(!pad->constructors.empty());
+      if ($2 != unoidl::InterfaceTypeEntity::Method::Parameter::DIRECTION_IN) {
+          error(
+              @4, yyscanner,
+              ("single-interface--based service " + data->currentName
+               + " constructor " + pad->constructors.back().name + " parameter "
+               + id + " direction must be [in]"));
+          YYERROR;
+      }
+      switch (t.type) {
+      case unoidl::detail::SourceProviderType::TYPE_VOID:
+      case unoidl::detail::SourceProviderType::TYPE_EXCEPTION:
+          error(
+              @4, yyscanner,
+              ("illegal single-interface--based service " + data->currentName
+               + " constructor " + pad->constructors.back().name + " parameter "
+               + id + " type"));
+          YYERROR;
+          break;
+      default:
+          break;
+      }
+      if ($5) {
+          if (t.type != unoidl::detail::SourceProviderType::TYPE_ANY) {
+              error(
+                  @4, yyscanner,
+                  ("illegal single-interface--based service "
+                   + data->currentName + " constructor "
+                   + pad->constructors.back().name + " rest parameter " + id
+                   + " non-any type"));
+              YYERROR;
+          }
+          if (!pad->constructors.back().parameters.empty()) {
+              error(
+                  @5, yyscanner,
+                  ("single-interface--based service " + data->currentName
+                   + " constructor " + pad->constructors.back().name
+                   + " rest parameter " + id + " must be first parameter"));
+              YYERROR;
+          }
+      } else if (!pad->constructors.back().parameters.empty()
+                 && pad->constructors.back().parameters.back().rest)
+      {
+          error(
+              @1, yyscanner,
+              ("single-interface--based service " + data->currentName
+               + " constructor " + pad->constructors.back().name
+               + " rest parameter must be last parameter"));
+          YYERROR;
+      }
+      for (const auto & i: pad->constructors.back().parameters) {
+          if (id == i.name) {
+              error(
+                  @6, yyscanner,
+                  ("single-interface--based service " + data->currentName
+                   + " constructor " + pad->constructors.back().name
+                   + " parameter " + id
+                   + " has same identifier as another parameter"));
+              YYERROR;
+          }
+      }
+      pad->constructors.back().parameters.push_back(
+          unoidl::detail::SourceProviderSingleInterfaceBasedServiceEntityPad::Constructor::Parameter(
+              id, std::move(t), $5));
+  }
+;
+
+ellipsis_opt:
+  TOK_ELLIPSIS { $$ = true; }
+| /* empty */ { $$ = false; }
+
+accumulationBasedServiceDefn:
+  deprecated_opt published_opt TOK_SERVICE identifier
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      convertToCurrentName(data, $4);
+      if (!data->entities.emplace(
+                  data->currentName,
+                  unoidl::detail::SourceProviderEntity(
+                      new unoidl::detail::SourceProviderAccumulationBasedServiceEntityPad(
+                          $2))).
+          second)
+      {
+          error(@4, yyscanner, "multiple entities named " + data->currentName);
+          YYERROR;
+      }
+  }
+  '{' serviceMembers '}' ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+      unoidl::detail::SourceProviderAccumulationBasedServiceEntityPad * pad =
+          dynamic_cast<unoidl::detail::SourceProviderAccumulationBasedServiceEntityPad *>(
+              ent->pad.get());
+      assert(pad != nullptr);
+      ent->entity = new unoidl::AccumulationBasedServiceEntity(
+          pad->isPublished(), std::move(pad->directMandatoryBaseServices),
+          std::move(pad->directOptionalBaseServices), std::move(pad->directMandatoryBaseInterfaces),
+          std::move(pad->directOptionalBaseInterfaces), std::move(pad->directProperties),
+          annotations($1));
+      ent->pad.clear();
+      clearCurrentState(data);
+  }
+;
+
+serviceMembers:
+  serviceMembers serviceMember
+| /* empty */
+;
+
+serviceMember:
+  serviceBase
+| serviceInterfaceBase
+| serviceProperty
+;
+
+serviceBase:
+  deprecated_opt flagSection_opt TOK_SERVICE name ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      OUString name(convertName($4));
+      rtl::Reference<unoidl::detail::SourceProviderAccumulationBasedServiceEntityPad> pad(
+          getCurrentPad<unoidl::detail::SourceProviderAccumulationBasedServiceEntityPad>(
+              data));
+      if (($2 & ~unoidl::detail::FLAG_OPTIONAL) != 0) {
+          error(
+              @2, yyscanner,
+              "service base can only be flagged as [optional]");
+          YYERROR;
+      }
+      bool opt = ($2 & unoidl::detail::FLAG_OPTIONAL) != 0;
+      unoidl::detail::SourceProviderEntity const * p;
+      if (findEntity(@4, yyscanner, data, false, &name, &p, nullptr, nullptr)
+          == FOUND_ERROR)
+      {
+          YYERROR;
+      }
+      if (p == nullptr || !p->entity.is()
+          || (p->entity->getSort()
+              != unoidl::Entity::SORT_ACCUMULATION_BASED_SERVICE))
+      {
+          error(
+              @4, yyscanner,
+              ("accumulation-based service " + data->currentName
+               + " direct base service " + name
+               + " does not resolve to an accumulation-based service"));
+          YYERROR;
+      }
+      if (data->publishedContext
+          && !static_cast<unoidl::AccumulationBasedServiceEntity *>(
+              p->entity.get())->isPublished())
+      {
+          error(
+              @4, yyscanner,
+              ("published accumulation-based service " + data->currentName
+               + " direct base service " + name + " is unpublished"));
+          YYERROR;
+      }
+      std::vector<unoidl::AnnotatedReference> & v(
+          opt
+          ? pad->directOptionalBaseServices : pad->directMandatoryBaseServices);
+      for (const auto & i: v) {
+          if (name == i.name) {
+              error(
+                  @4, yyscanner,
+                  ("accumulation-based service " + data->currentName
+                   + " duplicate direct base service " + name));
+              YYERROR;
+          }
+      }
+      v.emplace_back(name, annotations($1));
+  }
+;
+
+serviceInterfaceBase:
+  deprecated_opt flagSection_opt TOK_INTERFACE name ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      OUString name(convertName($4));
+      rtl::Reference<unoidl::detail::SourceProviderAccumulationBasedServiceEntityPad> pad(
+          getCurrentPad<unoidl::detail::SourceProviderAccumulationBasedServiceEntityPad>(
+              data));
+      if (($2 & ~unoidl::detail::FLAG_OPTIONAL) != 0) {
+          error(
+              @2, yyscanner,
+              "interface base can only be flagged as [optional]");
+          YYERROR;
+      }
+      bool opt = ($2 & unoidl::detail::FLAG_OPTIONAL) != 0;
+      unoidl::detail::SourceProviderEntity const * p;
+      if (findEntity(@4, yyscanner, data, false, &name, &p, nullptr, nullptr)
+          == FOUND_ERROR)
+      {
+          YYERROR;
+      }
+      bool ifcBase = false;
+      bool pubBase = false;
+      if (p != nullptr) {
+          switch (p->kind) {
+          case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+              ifcBase = true;
+              pubBase = false;
+              break;
+          case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+              ifcBase = true;
+              pubBase = true;
+              break;
+          default:
+              if (p->entity.is()
+                  && (p->entity->getSort()
+                      == unoidl::Entity::SORT_INTERFACE_TYPE))
+              {
+                  ifcBase = true;
+                  pubBase = static_cast<unoidl::InterfaceTypeEntity *>(
+                      p->entity.get())->isPublished();
+              }
+              break;
+          }
+      }
+      if (!ifcBase) {
+          error(
+              @4, yyscanner,
+              ("accumulation-based service " + data->currentName
+               + " direct base interface " + name
+               + " does not resolve to an interface type"));
+          YYERROR;
+      }
+      if (data->publishedContext && !opt && !pubBase) {
+          error(
+              @4, yyscanner,
+              ("published accumulation-based service " + data->currentName
+               + " direct base interface " + name + " is unpublished"));
+          YYERROR;
+      }
+      std::vector<unoidl::AnnotatedReference> & v(
+          opt
+          ? pad->directOptionalBaseInterfaces
+          : pad->directMandatoryBaseInterfaces);
+      for (const auto & i: v) {
+          if (name == i.name) {
+              error(
+                  @4, yyscanner,
+                  ("accumulation-based service " + data->currentName
+                   + " duplicate direct base interface " + name));
+              YYERROR;
+          }
+      }
+      v.emplace_back(name, annotations($1));
+  }
+;
+
+serviceProperty:
+  deprecated_opt flagSection type identifier ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::detail::SourceProviderType t(*$3);
+      delete $3;
+      OUString id(convertName($4));
+      if (($2 & unoidl::detail::FLAG_PROPERTY) == 0) {
+          error(
+              @2, yyscanner,
+              ("accumulation-based service property must be flagged as"
+               " [property]"));
+          YYERROR;
+      }
+      if (($2
+           & ~(unoidl::detail::FLAG_BOUND | unoidl::detail::FLAG_CONSTRAINED
+               | unoidl::detail::FLAG_MAYBEAMBIGUOUS
+               | unoidl::detail::FLAG_MAYBEDEFAULT
+               | unoidl::detail::FLAG_MAYBEVOID | unoidl::detail::FLAG_OPTIONAL
+               | unoidl::detail::FLAG_PROPERTY | unoidl::detail::FLAG_READONLY
+               | unoidl::detail::FLAG_REMOVABLE
+               | unoidl::detail::FLAG_TRANSIENT))
+          != 0)
+      {
+          error(
+              @2, yyscanner,
+              ("accumulation-based service property can only be flagged as"
+               " [property, bound, constrained, maybeambiguous, maybedefault,"
+               " maybevoid, optional, readonly, removable, transient]"));
+          YYERROR;
+      }
+      int att = 0;
+      if (($2 & unoidl::detail::FLAG_BOUND) != 0) {
+          att |= unoidl::AccumulationBasedServiceEntity::Property::ATTRIBUTE_BOUND;
+      }
+      if (($2 & unoidl::detail::FLAG_CONSTRAINED) != 0) {
+          att |= unoidl::AccumulationBasedServiceEntity::Property::ATTRIBUTE_CONSTRAINED;
+      }
+      if (($2 & unoidl::detail::FLAG_MAYBEAMBIGUOUS) != 0) {
+          att |= unoidl::AccumulationBasedServiceEntity::Property::ATTRIBUTE_MAYBE_AMBIGUOUS;
+      }
+      if (($2 & unoidl::detail::FLAG_MAYBEDEFAULT) != 0) {
+          att |= unoidl::AccumulationBasedServiceEntity::Property::ATTRIBUTE_MAYBE_DEFAULT;
+      }
+      if (($2 & unoidl::detail::FLAG_MAYBEVOID) != 0) {
+          att |= unoidl::AccumulationBasedServiceEntity::Property::ATTRIBUTE_MAYBE_VOID;
+      }
+      if (($2 & unoidl::detail::FLAG_OPTIONAL) != 0) {
+          att |= unoidl::AccumulationBasedServiceEntity::Property::ATTRIBUTE_OPTIONAL;
+      }
+      if (($2 & unoidl::detail::FLAG_READONLY) != 0) {
+          att |= unoidl::AccumulationBasedServiceEntity::Property::ATTRIBUTE_READ_ONLY;
+      }
+      if (($2 & unoidl::detail::FLAG_REMOVABLE) != 0) {
+          att |= unoidl::AccumulationBasedServiceEntity::Property::ATTRIBUTE_REMOVABLE;
+      }
+      if (($2 & unoidl::detail::FLAG_TRANSIENT) != 0) {
+          att |= unoidl::AccumulationBasedServiceEntity::Property::ATTRIBUTE_TRANSIENT;
+      }
+      switch (t.type) {
+      case unoidl::detail::SourceProviderType::TYPE_VOID:
+      case unoidl::detail::SourceProviderType::TYPE_EXCEPTION:
+          error(
+              @3, yyscanner,
+              ("illegal accumulation-based service " + data->currentName
+               + " direct property " + id + " type"));
+          YYERROR;
+          break;
+      default:
+          break;
+      }
+      rtl::Reference<unoidl::detail::SourceProviderAccumulationBasedServiceEntityPad>
+          pad(getCurrentPad<unoidl::detail::SourceProviderAccumulationBasedServiceEntityPad>(
+                  data));
+      for (const auto & i: pad->directProperties) {
+          if (id == i.name) {
+              error(
+                  @4, yyscanner,
+                  ("accumulation-based service " + data->currentName
+                   + " duplicate direct property " + id));
+              YYERROR;
+          }
+      }
+      pad->directProperties.emplace_back(
+          id, t.getName(),
+          unoidl::AccumulationBasedServiceEntity::Property::Attributes(att),
+          annotations($1));
+  }
+;
+
+interfaceBasedSingletonDefn:
+  deprecated_opt published_opt TOK_SINGLETON identifier singleInheritance ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      OUString name(convertToFullName(data, $4));
+      OUString base(convertName($5));
+      unoidl::detail::SourceProviderEntity const * p;
+      if (findEntity(@5, yyscanner, data, false, &base, &p, nullptr, nullptr)
+          == FOUND_ERROR)
+      {
+          YYERROR;
+      }
+      bool ifcBase = false;
+      bool pubBase = false;
+      if (p != nullptr) {
+          switch (p->kind) {
+          case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+              ifcBase = true;
+              pubBase = false;
+              break;
+          case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+              ifcBase = true;
+              pubBase = true;
+              break;
+          default:
+              if (p->entity.is()
+                  && (p->entity->getSort()
+                      == unoidl::Entity::SORT_INTERFACE_TYPE))
+              {
+                  ifcBase = true;
+                  pubBase = static_cast<unoidl::InterfaceTypeEntity *>(
+                      p->entity.get())->isPublished();
+              }
+              break;
+          }
+      }
+      if (!ifcBase) {
+          error(
+              @5, yyscanner,
+              ("interface-based singleton " + name + " base " + base
+               + " does not resolve to an interface type"));
+          YYERROR;
+      }
+      if ($2 && !pubBase) {
+          error(
+              @5, yyscanner,
+              ("published interface-based singleton " + name + " base " + base
+               + " is unpublished"));
+          YYERROR;
+      }
+      if (!data->entities.emplace(
+                  name,
+                  unoidl::detail::SourceProviderEntity(
+                      unoidl::detail::SourceProviderEntity::KIND_LOCAL,
+                      new unoidl::InterfaceBasedSingletonEntity(
+                          $2, base, annotations($1)))).
+          second)
+      {
+          error(@4, yyscanner, "multiple entities named " + name);
+          YYERROR;
+      }
+      clearCurrentState(data);
+  }
+;
+
+serviceBasedSingletonDefn:
+  deprecated_opt published_opt TOK_SINGLETON identifier '{' TOK_SERVICE name ';'
+  '}' ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      OUString name(convertToFullName(data, $4));
+      OUString base(convertName($7));
+      unoidl::detail::SourceProviderEntity const * p;
+      if (findEntity(@7, yyscanner, data, false, &base, &p, nullptr, nullptr)
+          == FOUND_ERROR)
+      {
+          YYERROR;
+      }
+      if (p == nullptr
+          || !p->entity.is()
+          || (p->entity->getSort()
+              != unoidl::Entity::SORT_ACCUMULATION_BASED_SERVICE))
+      {
+          error(
+              @7, yyscanner,
+              ("service-based singleton " + name + " base " + base
+               + " does not resolve to an accumulation-based service"));
+          YYERROR;
+      }
+      if ($2
+          && !static_cast<unoidl::AccumulationBasedServiceEntity *>(
+              p->entity.get())->isPublished())
+      {
+          error(
+              @7, yyscanner,
+              ("published service-based singleton " + name + " base " + base
+               + " is unpublished"));
+          YYERROR;
+      }
+      if (!data->entities.emplace(
+                  name,
+                  unoidl::detail::SourceProviderEntity(
+                      unoidl::detail::SourceProviderEntity::KIND_LOCAL,
+                      new unoidl::ServiceBasedSingletonEntity(
+                          $2, base, annotations($1)))).
+          second)
+      {
+          error(@4, yyscanner, "multiple entities named " + name);
+          YYERROR;
+      }
+      clearCurrentState(data);
+  }
+;
+
+singleInheritance_opt:
+  singleInheritance
+| /* empty */ { $$ = nullptr; }
+;
+
+singleInheritance: ':' name { $$ = $2; }
+;
+
+exceptionSpec_opt:
+  exceptionSpec
+| /* empty */ { $$ = nullptr; }
+;
+
+exceptionSpec: TOK_RAISES '(' exceptions ')' { $$ = $3; }
+;
+
+exceptions:
+  exceptions ',' name
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      OUString name(convertName($3));
+      unoidl::detail::SourceProviderEntity const * p;
+      if (findEntity(@3, yyscanner, data, false, &name, &p, nullptr, nullptr)
+          == FOUND_ERROR)
+      {
+          delete $1; /* see commented-out %destructor above */
+          YYERROR;
+      }
+      if (p == nullptr
+          || !p->entity.is()
+          || (p->entity->getSort() != unoidl::Entity::SORT_EXCEPTION_TYPE))
+      {
+          delete $1; /* see commented-out %destructor above */
+          error(
+              @3, yyscanner,
+              ("exception " + name + " does not resolve to an exception type"));
+          YYERROR;
+      }
+      if (data->publishedContext
+          && !(static_cast<unoidl::ExceptionTypeEntity *>(p->entity.get())
+               ->isPublished()))
+      {
+          delete $1; /* see commented-out %destructor above */
+          error(
+              @3, yyscanner,
+              ("unpublished exception " + name + " used in published context"));
+          YYERROR;
+      }
+      if (std::find($1->begin(), $1->end(), name) != $1->end()) {
+          delete $1; /* see commented-out %destructor above */
+          error(
+              @3, yyscanner, ("exception " + name + " listed more than once"));
+          YYERROR;
+      }
+      $1->push_back(name);
+      $$ = $1;
+  }
+| name
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      OUString name(convertName($1));
+      unoidl::detail::SourceProviderEntity const * p;
+      if (findEntity(@1, yyscanner, data, false, &name, &p, nullptr, nullptr)
+          == FOUND_ERROR)
+      {
+          YYERROR;
+      }
+      if (p == nullptr
+          || !p->entity.is()
+          || (p->entity->getSort() != unoidl::Entity::SORT_EXCEPTION_TYPE))
+      {
+          error(
+              @1, yyscanner,
+              ("exception " + name + " does not resolve to an exception type"));
+          YYERROR;
+      }
+      if (data->publishedContext
+          && !(static_cast<unoidl::ExceptionTypeEntity *>(p->entity.get())
+               ->isPublished()))
+      {
+          error(
+              @1, yyscanner,
+              ("unpublished exception " + name + " used in published context"));
+          YYERROR;
+      }
+      $$ = new std::vector<OUString>; $$->push_back(name);
+  }
+;
+
+interfaceDecl:
+  deprecated_opt/*ignored*/ published_opt TOK_INTERFACE identifier ';'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      data->publishedContext = $2;
+      OUString name(convertToFullName(data, $4));
+      std::pair<std::map<OUString, unoidl::detail::SourceProviderEntity>::iterator, bool> p(
+          data->entities.emplace(
+                  name,
+                  unoidl::detail::SourceProviderEntity(
+                      $2
+                      ? unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL
+                      : unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL)));
+      if (!p.second) {
+          switch (p.first->second.kind) {
+          case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+              if ($2) {
+                  p.first->second.kind
+                      = unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL;
+              }
+              break;
+          case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+              break;
+          default:
+              assert(p.first->second.entity.is());
+              if (p.first->second.entity->getSort()
+                  != unoidl::Entity::SORT_INTERFACE_TYPE)
+              {
+                  error(
+                      @4, yyscanner,
+                      "multiple entities named " + data->currentName);
+                  YYERROR;
+              }
+              if ($2
+                  && !static_cast<unoidl::InterfaceTypeEntity *>(
+                      p.first->second.entity.get())->isPublished())
+              {
+                  error(
+                      @4, yyscanner,
+                      ("published interface type declaration "
+                       + data->currentName + " has been defined unpublished"));
+                  YYERROR;
+              }
+          }
+      }
+      clearCurrentState(data);
+  }
+;
+
+published_opt:
+  TOK_PUBLISHED { $$ = true; }
+| /* empty */ { $$ = false; }
+;
+
+flagSection_opt:
+  flagSection
+| /* empty */ { $$ = unoidl::detail::SourceProviderFlags(0); }
+;
+
+flagSection: '[' flags ']' { $$ = $2; }
+;
+
+flags:
+  flags ',' flag
+  {
+      if (($1 & $3) != 0) {
+          error(@3, yyscanner, "duplicate flag " + flagName($3));
+          YYERROR;
+      }
+      $$ = unoidl::detail::SourceProviderFlags($1 | $3);
+  }
+| flag
+;
+
+flag:
+  TOK_ATTRIBUTE { $$ = unoidl::detail::FLAG_ATTRIBUTE; }
+| TOK_BOUND { $$ = unoidl::detail::FLAG_BOUND; }
+| TOK_CONSTRAINED { $$ = unoidl::detail::FLAG_CONSTRAINED; }
+| TOK_MAYBEAMBIGUOUS { $$ = unoidl::detail::FLAG_MAYBEAMBIGUOUS; }
+| TOK_MAYBEDEFAULT { $$ = unoidl::detail::FLAG_MAYBEDEFAULT; }
+| TOK_MAYBEVOID { $$ = unoidl::detail::FLAG_MAYBEVOID; }
+| TOK_OPTIONAL { $$ = unoidl::detail::FLAG_OPTIONAL; }
+| TOK_PROPERTY { $$ = unoidl::detail::FLAG_PROPERTY; }
+| TOK_READONLY { $$ = unoidl::detail::FLAG_READONLY; }
+| TOK_REMOVABLE { $$ = unoidl::detail::FLAG_REMOVABLE; }
+| TOK_TRANSIENT { $$ = unoidl::detail::FLAG_TRANSIENT; }
+;
+
+expr: orExpr
+;
+
+orExpr:
+  orExpr '|' xorExpr
+  {
+      if (!coerce(@1, yyscanner, &$1, &$3)) {
+          YYERROR;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival | $3.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval | $3.uval);
+          break;
+      default:
+          error(@1, yyscanner, "arguments of non-integer type to \"|\"");
+          YYERROR;
+          break;
+      }
+  }
+| xorExpr
+;
+
+xorExpr:
+  xorExpr '^' andExpr
+  {
+      if (!coerce(@1, yyscanner, &$1, &$3)) {
+          YYERROR;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival ^ $3.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval ^ $3.uval);
+          break;
+      default:
+          error(@1, yyscanner, "arguments of non-integer type to \"^\"");
+          YYERROR;
+          break;
+      }
+  }
+| andExpr
+;
+
+andExpr:
+  andExpr '&' shiftExpr
+  {
+      if (!coerce(@1, yyscanner, &$1, &$3)) {
+          YYERROR;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival & $3.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval & $3.uval);
+          break;
+      default:
+          error(@1, yyscanner, "arguments of non-integer type to \"&\"");
+          YYERROR;
+          break;
+      }
+  }
+| shiftExpr
+;
+
+shiftExpr:
+  shiftExpr TOK_LEFTSHIFT addExpr
+  {
+      int n;
+      switch ($3.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          if ($3.ival < 0 || $3.ival > 63) {
+              error(
+                  @3, yyscanner,
+                  ("out-of-range shift argument " + OUString::number($3.ival)
+                   + " to \"<<\" "));
+              YYERROR;
+          }
+          n = static_cast<int>($3.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          if ($3.uval > 63) {
+              error(
+                  @3, yyscanner,
+                  ("out-of-range shift argument " + OUString::number($3.uval)
+                   + " to \"<<\" "));
+              YYERROR;
+          }
+          n = static_cast<int>($3.uval);
+          break;
+      default:
+          error(@3, yyscanner, "right argument of non-integer type to \"<<\"");
+          YYERROR;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          if ($1.ival < 0) {
+              error(
+                  @1, yyscanner,
+                  ("cannot left-shift negative argument "
+                   + OUString::number($1.ival)));
+              YYERROR;
+          }
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival << n);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval << n);
+          break;
+      default:
+          error(@1, yyscanner, "left argument of non-integer type to \"<<\"");
+          YYERROR;
+          break;
+      }
+  }
+| shiftExpr TOK_RIGHTSHIFT addExpr
+  {
+      int n;
+      switch ($3.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          if ($3.ival < 0 || $3.ival > 63) {
+              error(
+                  @3, yyscanner,
+                  ("out-of-range shift argument " + OUString::number($3.ival)
+                   + " to \">>\" "));
+              YYERROR;
+          }
+          n = static_cast<int>($3.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          if ($3.uval > 63) {
+              error(
+                  @3, yyscanner,
+                  ("out-of-range shift argument " + OUString::number($3.uval)
+                   + " to \">>\" "));
+              YYERROR;
+          }
+          n = static_cast<int>($3.uval);
+          break;
+      default:
+          error(@3, yyscanner, "right argument of non-integer type to \">>\"");
+          YYERROR;
+          break;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival >> n);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval >> n);
+          break;
+      default:
+          error(@1, yyscanner, "left argument of non-integer type to \">>\"");
+          YYERROR;
+          break;
+      }
+  }
+| addExpr
+;
+
+addExpr:
+  addExpr '+' multExpr
+  {
+      if (!coerce(@1, yyscanner, &$1, &$3)) {
+          YYERROR;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+          error(@1, yyscanner, "arguments of boolean type to binary \"+\"");
+          YYERROR;
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival + $3.ival); //TODO: overflow
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval + $3.uval); //TODO: overflow
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+          $$ = unoidl::detail::SourceProviderExpr::Float($1.fval + $3.fval);
+          break;
+      }
+  }
+| addExpr '-' multExpr
+  {
+      if (!coerce(@1, yyscanner, &$1, &$3)) {
+          YYERROR;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+          error(@1, yyscanner, "arguments of boolean type to binary \"-\"");
+          YYERROR;
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival - $3.ival); //TODO: overflow
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval - $3.uval); //TODO: overflow
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+          $$ = unoidl::detail::SourceProviderExpr::Float($1.fval - $3.fval);
+          break;
+      }
+  }
+| multExpr
+;
+
+multExpr:
+  multExpr '*' unaryExpr
+  {
+      if (!coerce(@1, yyscanner, &$1, &$3)) {
+          YYERROR;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+          error(@1, yyscanner, "arguments of boolean type to \"*\"");
+          YYERROR;
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival * $3.ival); //TODO: overflow
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval * $3.uval); //TODO: overflow
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+          $$ = unoidl::detail::SourceProviderExpr::Float($1.fval * $3.fval);
+          break;
+      }
+  }
+| multExpr '/' unaryExpr
+  {
+      if (!coerce(@1, yyscanner, &$1, &$3)) {
+          YYERROR;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+          error(@1, yyscanner, "arguments of boolean type to \"/\"");
+          YYERROR;
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          if ($3.ival == 0) {
+              error(@3, yyscanner, "cannot divide by zero");
+              YYERROR;
+          }
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival / $3.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          if ($3.uval == 0) {
+              error(@3, yyscanner, "cannot divide by zero");
+              YYERROR;
+          }
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval / $3.uval);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+          if ($3.fval == 0) {
+              error(@3, yyscanner, "cannot divide by zero");
+              YYERROR;
+          }
+          $$ = unoidl::detail::SourceProviderExpr::Float($1.fval - $3.fval);
+          break;
+      }
+  }
+| multExpr '%' unaryExpr
+  {
+      if (!coerce(@1, yyscanner, &$1, &$3)) {
+          YYERROR;
+      }
+      switch ($1.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          if ($3.ival == 0) {
+              error(@3, yyscanner, "cannot divide by zero");
+              YYERROR;
+          }
+          $$ = unoidl::detail::SourceProviderExpr::Int($1.ival % $3.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          if ($3.uval == 0) {
+              error(@3, yyscanner, "cannot divide by zero");
+              YYERROR;
+          }
+          $$ = unoidl::detail::SourceProviderExpr::Uint($1.uval % $3.uval);
+          break;
+      default:
+          error(@1, yyscanner, "arguments of non-integer type to \"%\"");
+          YYERROR;
+          break;
+      }
+  }
+| unaryExpr
+;
+
+unaryExpr:
+  '+' primaryExpr
+  {
+      if ($2.type == unoidl::detail::SourceProviderExpr::TYPE_BOOL) {
+          error(@2, yyscanner, "argument of boolean type to unary \"+\"");
+          YYERROR;
+      }
+      $$ = $2;
+  }
+| '-' primaryExpr
+  {
+      switch ($2.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_BOOL:
+          error(@2, yyscanner, "argument of boolean type to unary \"-\"");
+          YYERROR;
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          if ($2.ival == SAL_MIN_INT64) {
+              error(@2, yyscanner, "cannot negate -2^63");
+              YYERROR;
+          }
+          $$ = unoidl::detail::SourceProviderExpr::Int(-$2.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          if ($2.uval == SAL_CONST_UINT64(0x8000000000000000)) {
+              $$ = unoidl::detail::SourceProviderExpr::Int(SAL_MIN_INT64);
+          } else {
+              if ($2.uval > SAL_MAX_INT64) {
+                  error(
+                      @2, yyscanner,
+                      ("cannot negate out-of-range value "
+                       + OUString::number($2.uval)));
+                  YYERROR;
+              }
+              $$ = unoidl::detail::SourceProviderExpr::Int(
+                  -static_cast<sal_Int64>($2.uval));
+          }
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_FLOAT:
+          $$ = unoidl::detail::SourceProviderExpr::Float(-$2.fval);
+          break;
+      }
+  }
+| '~' primaryExpr
+  {
+      switch ($2.type) {
+      case unoidl::detail::SourceProviderExpr::TYPE_INT:
+          $$ = unoidl::detail::SourceProviderExpr::Int(~$2.ival);
+          break;
+      case unoidl::detail::SourceProviderExpr::TYPE_UINT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint(~$2.uval);
+          break;
+      default:
+          error(@2, yyscanner, "argument of non-integer type to \"~\"");
+          YYERROR;
+          break;
+      }
+  }
+| primaryExpr
+;
+
+primaryExpr:
+  '(' expr ')' { $$ = $2; }
+| TOK_FALSE { $$ = unoidl::detail::SourceProviderExpr::Bool(false); }
+| TOK_TRUE { $$ = unoidl::detail::SourceProviderExpr::Bool(true); }
+| TOK_INTEGER { $$ = unoidl::detail::SourceProviderExpr::Uint($1); }
+| TOK_FLOATING { $$ = unoidl::detail::SourceProviderExpr::Float($1); }
+| name
+  {
+      OUString name(convertName($1));
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      unoidl::ConstantValue v(false); // dummy value
+      bool found = false;
+      bool unpub = false;
+      sal_Int32 i = name.lastIndexOf('.');
+      if (i == -1) {
+          rtl::Reference<unoidl::detail::SourceProviderEntityPad> pad(
+              getCurrentEntity(data)->pad);
+          unoidl::detail::SourceProviderEnumTypeEntityPad * p1 = dynamic_cast<
+              unoidl::detail::SourceProviderEnumTypeEntityPad *>(pad.get());
+          if (p1 != nullptr) {
+              for (const auto & j: p1->members) {
+                  if (j.name == name) {
+                      v = unoidl::ConstantValue(j.value);
+                      found = true;
+                      break;
+                  }
+              }
+          } else {
+              unoidl::detail::SourceProviderConstantGroupEntityPad * p2
+                  = dynamic_cast<
+                      unoidl::detail::SourceProviderConstantGroupEntityPad *>(
+                          pad.get());
+              if (p2 != nullptr) {
+                  for (const auto & j: p2->members) {
+                      if (j.name == name) {
+                          v = j.value;
+                          found = true;
+                          break;
+                      }
+                  }
+              }
+          }
+      } else {
+          OUString scope(name.copy(0, i));
+          unoidl::detail::SourceProviderEntity const * ent;
+          if (findEntity(
+                  @1, yyscanner, data, false, &scope, &ent, nullptr, nullptr)
+              == FOUND_ERROR)
+          {
+              YYERROR;
+          }
+          if (ent != nullptr) {
+              std::u16string_view id(name.subView(i + 1));
+              // No need to check for enum members here, as they cannot be
+              // referenced in expressions by qualified name (TODO: is that true?):
+              if (ent->entity.is()) {
+                  if (ent->entity->getSort()
+                      == unoidl::Entity::SORT_CONSTANT_GROUP)
+                  {
+                      std::vector<unoidl::ConstantGroupEntity::Member> const &
+                          mems(
+                              static_cast<unoidl::ConstantGroupEntity *>(
+                                  ent->entity.get())->
+                              getMembers());
+                      for (auto & j: mems) {
+                          if (j.name == id) {
+                              v = j.value;
+                              found = true;
+                              unpub
+                                  = !static_cast<unoidl::ConstantGroupEntity *>(
+                                      ent->entity.get())->isPublished();
+                              break;
+                          }
+                      }
+                  }
+              } else if (ent->pad.is()) {
+                  unoidl::detail::SourceProviderConstantGroupEntityPad * pad
+                      = dynamic_cast<
+                          unoidl::detail::SourceProviderConstantGroupEntityPad *>(
+                              ent->pad.get());
+                  if (pad != nullptr) {
+                      for (const auto & j: pad->members) {
+                          if (j.name == id) {
+                              v = j.value;
+                              found = true;
+                              unpub = !ent->pad->isPublished();
+                              break;
+                          }
+                      }
+                  }
+              }
+          }
+      }
+      if (!found) {
+          error(
+              @1, yyscanner,
+              (name
+               + (" does not resolve to neither a constant nor an unqualified"
+                  " enum member")));
+          YYERROR;
+      }
+      if (data->publishedContext && unpub) {
+          error(
+              @1, yyscanner,
+              "unpublished value " + name + " used in published context");
+          YYERROR;
+      }
+      switch (v.type) {
+      case unoidl::ConstantValue::TYPE_BOOLEAN:
+          $$ = unoidl::detail::SourceProviderExpr::Bool(v.booleanValue);
+          break;
+      case unoidl::ConstantValue::TYPE_BYTE:
+          $$ = unoidl::detail::SourceProviderExpr::Int(v.byteValue);
+          break;
+      case unoidl::ConstantValue::TYPE_SHORT:
+          $$ = unoidl::detail::SourceProviderExpr::Int(v.shortValue);
+          break;
+      case unoidl::ConstantValue::TYPE_UNSIGNED_SHORT:
+          $$ = unoidl::detail::SourceProviderExpr::Uint(v.unsignedShortValue);
+          break;
+      case unoidl::ConstantValue::TYPE_LONG:
+          $$ = unoidl::detail::SourceProviderExpr::Int(v.longValue);
+          break;
+      case unoidl::ConstantValue::TYPE_UNSIGNED_LONG:
+          $$ = unoidl::detail::SourceProviderExpr::Uint(v.unsignedLongValue);
+          break;
+      case unoidl::ConstantValue::TYPE_HYPER:
+          $$ = unoidl::detail::SourceProviderExpr::Int(v.hyperValue);
+          break;
+      case unoidl::ConstantValue::TYPE_UNSIGNED_HYPER:
+          $$ = unoidl::detail::SourceProviderExpr::Uint(v.unsignedHyperValue);
+          break;
+      case unoidl::ConstantValue::TYPE_FLOAT:
+          $$ = unoidl::detail::SourceProviderExpr::Float(v.floatValue);
+          break;
+      case unoidl::ConstantValue::TYPE_DOUBLE:
+          $$ = unoidl::detail::SourceProviderExpr::Float(v.doubleValue);
+          break;
+      }
+  }
+;
+
+typeArguments:
+  typeArguments ',' type
+  {
+      unoidl::detail::SourceProviderType t(*$3);
+      delete $3;
+      if (!checkTypeArgument(@3, yyscanner, t)) {
+          delete $1; /* see commented-out %destructor above */
+          YYERROR;
+      }
+      $1->push_back(t);
+      $$ = $1;
+  }
+| type
+  {
+      unoidl::detail::SourceProviderType t(*$1);
+      delete $1;
+      if (!checkTypeArgument(@1, yyscanner, t)) {
+          YYERROR;
+      }
+      $$ = new std::vector<unoidl::detail::SourceProviderType>;
+      $$->push_back(t);
+  }
+;
+
+type:
+  TOK_VOID
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_VOID);
+  }
+| TOK_BOOLEAN
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_BOOLEAN);
+  }
+| TOK_BYTE
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_BYTE);
+  }
+| TOK_SHORT
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_SHORT);
+  }
+| TOK_UNSIGNED TOK_SHORT
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_UNSIGNED_SHORT);
+  }
+| TOK_LONG
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_LONG);
+  }
+| TOK_UNSIGNED TOK_LONG
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_UNSIGNED_LONG);
+  }
+| TOK_HYPER
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_HYPER);
+  }
+| TOK_UNSIGNED TOK_HYPER
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_UNSIGNED_HYPER);
+  }
+| TOK_FLOAT
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_FLOAT);
+  }
+| TOK_DOUBLE
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_DOUBLE);
+  }
+| TOK_CHAR
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_CHAR);
+  }
+| TOK_STRING
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_STRING);
+  }
+| TOK_TYPE
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_TYPE);
+  }
+| TOK_ANY
+  {
+      $$ = new unoidl::detail::SourceProviderType(
+          unoidl::detail::SourceProviderType::TYPE_ANY);
+  }
+| TOK_SEQUENCE '<' type '>'
+  {
+      switch ($3->type) {
+      case unoidl::detail::SourceProviderType::TYPE_VOID:
+      case unoidl::detail::SourceProviderType::TYPE_EXCEPTION:
+      case unoidl::detail::SourceProviderType::TYPE_PARAMETER: //TODO?
+          error(@3, yyscanner, "illegal sequence type component type");
+          YYERROR;
+          break;
+      default:
+          break;
+      }
+      $$ = new unoidl::detail::SourceProviderType($3);
+      delete $3;
+  }
+| name
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      OUString name(convertName($1));
+      bool done = false;
+      if (name.indexOf('.') == -1 && !data->currentName.isEmpty()) {
+          unoidl::detail::SourceProviderEntity * ent = getCurrentEntity(data);
+          unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad *
+              pad = dynamic_cast<
+                  unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad *>(
+                      ent->pad.get());
+          if (pad != nullptr
+              && (std::find(
+                      pad->typeParameters.begin(), pad->typeParameters.end(),
+                      name)
+                  != pad->typeParameters.end()))
+          {
+              $$ = new unoidl::detail::SourceProviderType(name);
+              done = true;
+          }
+      }
+      if (!done) {
+          unoidl::detail::SourceProviderEntity const * ent;
+          unoidl::detail::SourceProviderType t;
+          switch (findEntity(
+                      @1, yyscanner, data, false, &name, &ent, nullptr, &t))
+          {
+          case FOUND_ERROR:
+              YYERROR;
+              break;
+          case FOUND_TYPE:
+              $$ = new unoidl::detail::SourceProviderType(t);
+              break;
+          case FOUND_ENTITY:
+              if (ent == nullptr) {
+                  error(@1, yyscanner, "unknown entity " + name);
+                  YYERROR;
+              }
+              bool ok = false;
+              switch (ent->kind) {
+              case unoidl::detail::SourceProviderEntity::KIND_LOCAL:
+                  if (ent->pad.is()) {
+                      if (data->publishedContext && !ent->pad->isPublished()) {
+                          error(
+                              @1, yyscanner,
+                              ("unpublished entity " + name
+                               + " used in published context"));
+                          YYERROR;
+                      }
+                      if (dynamic_cast<unoidl::detail::SourceProviderEnumTypeEntityPad *>(
+                              ent->pad.get())
+                          != nullptr)
+                      {
+                          $$ = new unoidl::detail::SourceProviderType(
+                              unoidl::detail::SourceProviderType::TYPE_ENUM,
+                              name, ent);
+                          ok = true;
+                      } else if (dynamic_cast<unoidl::detail::SourceProviderPlainStructTypeEntityPad *>(
+                                     ent->pad.get())
+                                 != nullptr)
+                      {
+                          $$ = new unoidl::detail::SourceProviderType(
+                              unoidl::detail::SourceProviderType::TYPE_PLAIN_STRUCT,
+                              name, ent);
+                          ok = true;
+                      } else if (dynamic_cast<unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad *>(
+                                     ent->pad.get())
+                                 != nullptr)
+                      {
+                          error(
+                              @1, yyscanner,
+                              (("recursive reference to polymorphic struct type"
+                                " template ")
+                               + name));
+                          YYERROR;
+                      } else if (dynamic_cast<unoidl::detail::SourceProviderExceptionTypeEntityPad *>(
+                                     ent->pad.get())
+                                 != nullptr)
+                      {
+                          $$ = new unoidl::detail::SourceProviderType(
+                              unoidl::detail::SourceProviderType::TYPE_EXCEPTION,
+                              name, ent);
+                          ok = true;
+                      } else if (dynamic_cast<unoidl::detail::SourceProviderInterfaceTypeEntityPad *>(
+                                     ent->pad.get())
+                                 != nullptr)
+                      {
+                          $$ = new unoidl::detail::SourceProviderType(
+                              unoidl::detail::SourceProviderType::TYPE_INTERFACE,
+                              name, ent);
+                          ok = true;
+                      }
+                      break;
+                  }
+                  assert(ent->entity.is());
+                  [[fallthrough]];
+              case unoidl::detail::SourceProviderEntity::KIND_EXTERNAL:
+                  if (data->publishedContext
+                      && ent->entity->getSort() != unoidl::Entity::SORT_MODULE
+                      && !static_cast<unoidl::PublishableEntity *>(
+                          ent->entity.get())->isPublished())
+                  {
+                      error(
+                          @1, yyscanner,
+                          ("unpublished entity " + name
+                           + " used in published context"));
+                      YYERROR;
+                  }
+                  switch (ent->entity->getSort()) {
+                  case unoidl::Entity::SORT_ENUM_TYPE:
+                      $$ = new unoidl::detail::SourceProviderType(
+                          unoidl::detail::SourceProviderType::TYPE_ENUM, name,
+                          ent);
+                      ok = true;
+                      break;
+                  case unoidl::Entity::SORT_PLAIN_STRUCT_TYPE:
+                      $$ = new unoidl::detail::SourceProviderType(
+                          unoidl::detail::SourceProviderType::TYPE_PLAIN_STRUCT,
+                          name, ent);
+                      ok = true;
+                      break;
+                  case unoidl::Entity::SORT_POLYMORPHIC_STRUCT_TYPE_TEMPLATE:
+                      error(
+                          @1, yyscanner,
+                          ("polymorphic struct type template " + name
+                           + " without type arguments"));
+                      YYERROR;
+                      break;
+                  case unoidl::Entity::SORT_EXCEPTION_TYPE:
+                      $$ = new unoidl::detail::SourceProviderType(
+                          unoidl::detail::SourceProviderType::TYPE_EXCEPTION,
+                          name, ent);
+                      ok = true;
+                      break;
+                  case unoidl::Entity::SORT_INTERFACE_TYPE:
+                      $$ = new unoidl::detail::SourceProviderType(
+                          unoidl::detail::SourceProviderType::TYPE_INTERFACE,
+                          name, ent);
+                      ok = true;
+                      break;
+                  case unoidl::Entity::SORT_TYPEDEF:
+                      O3TL_UNREACHABLE;
+                  default:
+                      break;
+                  }
+                  break;
+              case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+                  if (data->publishedContext) {
+                      error(
+                          @1, yyscanner,
+                          ("unpublished entity " + name
+                           + " used in published context"));
+                      YYERROR;
+                  }
+                  [[fallthrough]];
+              case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+                  $$ = new unoidl::detail::SourceProviderType(
+                      unoidl::detail::SourceProviderType::TYPE_INTERFACE, name,
+                      ent);
+                  ok = true;
+                  break;
+              case unoidl::detail::SourceProviderEntity::KIND_MODULE:
+                  assert(false && "this cannot happen");
+              }
+              if (!ok) {
+                  error(@1, yyscanner, "non-type entity " + name);
+                  YYERROR;
+              }
+              break;
+          }
+      }
+  }
+| name '<' typeArguments '>'
+  {
+      unoidl::detail::SourceProviderScannerData * data = yyget_extra(yyscanner);
+      OUString name(convertName($1));
+      std::vector<unoidl::detail::SourceProviderType> args(*$3);
+      delete $3;
+      unoidl::detail::SourceProviderEntity const * ent;
+      if (findEntity(@1, yyscanner, data, false, &name, &ent, nullptr, nullptr)
+          == FOUND_ERROR)
+      {
+          YYERROR;
+      }
+      if (ent == nullptr) {
+          error(@1, yyscanner, "unknown entity " + name);
+          YYERROR;
+      }
+      bool ok = false;
+      switch (ent->kind) {
+      case unoidl::detail::SourceProviderEntity::KIND_LOCAL:
+          if (ent->pad.is()) {
+              if (dynamic_cast<unoidl::detail::SourceProviderPolymorphicStructTypeTemplateEntityPad *>(
+                      ent->pad.get())
+                  != nullptr)
+              {
+                  error(
+                      @1, yyscanner,
+                      (("recursive reference to polymorphic struct type"
+                        " template ")
+                       + name));
+                  YYERROR;
+              }
+              break;
+          }
+          assert(ent->entity.is());
+          [[fallthrough]];
+      case unoidl::detail::SourceProviderEntity::KIND_EXTERNAL:
+          if (ent->entity->getSort()
+              == unoidl::Entity::SORT_POLYMORPHIC_STRUCT_TYPE_TEMPLATE)
+          {
+              rtl::Reference<unoidl::PolymorphicStructTypeTemplateEntity> e(
+                  static_cast<unoidl::PolymorphicStructTypeTemplateEntity *>(
+                      ent->entity.get()));
+              if (args.size() != e->getTypeParameters().size()) {
+                  error(
+                      @1, yyscanner,
+                      ("bad number of polymorphic struct type template " + name
+                       + " type arguments"));
+                  YYERROR;
+              }
+              if (data->publishedContext && !e->isPublished()) {
+                  error(
+                      @1, yyscanner,
+                      ("unpublished polymorphic struct type template " + name
+                       + " used in published context"));
+                  YYERROR;
+              }
+              $$ = new unoidl::detail::SourceProviderType(name, ent, std::move(args));
+              ok = true;
+          }
+          break;
+      case unoidl::detail::SourceProviderEntity::KIND_INTERFACE_DECL:
+      case unoidl::detail::SourceProviderEntity::KIND_PUBLISHED_INTERFACE_DECL:
+          break;
+      case unoidl::detail::SourceProviderEntity::KIND_MODULE:
+          assert(false && "this cannot happen");
+      }
+      if (!ok) {
+          error(@1, yyscanner, "non-type entity " + name);
+          YYERROR;
+      }
+  }
+;
+
+name:
+  name TOK_COLONS identifier { *$1 += "." + *$3; delete $3; $$ = $1; }
+| TOK_COLONS identifier { *$2 = "." + *$2; $$ = $2; }
+| identifier
+;
+
+identifier:
+  TOK_IDENTIFIER
+| TOK_GET { $$ = new OString("get"); }
+| TOK_PUBLISHED { $$ = new OString("published"); }
+| TOK_SET { $$ = new OString("set"); }
+;
+
+deprecated_opt:
+  TOK_DEPRECATED { $$ = true; }
+| /* empty */ { $$ = false; }
+;
+
+%%
+
+namespace unoidl::detail {
+
+OUString SourceProviderType::getName() const {
+    if (!typedefName.isEmpty()) {
+        return typedefName;
+    }
+    switch (type) {
+    case unoidl::detail::SourceProviderType::TYPE_VOID:
+        return "void";
+    case unoidl::detail::SourceProviderType::TYPE_BOOLEAN:
+        return "boolean";
+    case unoidl::detail::SourceProviderType::TYPE_BYTE:
+        return "byte";
+    case unoidl::detail::SourceProviderType::TYPE_SHORT:
+        return "short";
+    case unoidl::detail::SourceProviderType::TYPE_UNSIGNED_SHORT:
+        return "unsigned short";
+    case unoidl::detail::SourceProviderType::TYPE_LONG:
+        return "long";
+    case unoidl::detail::SourceProviderType::TYPE_UNSIGNED_LONG:
+        return "unsigned long";
+    case unoidl::detail::SourceProviderType::TYPE_HYPER:
+        return "hyper";
+    case unoidl::detail::SourceProviderType::TYPE_UNSIGNED_HYPER:
+        return "unsigned hyper";
+    case unoidl::detail::SourceProviderType::TYPE_FLOAT:
+        return "float";
+    case unoidl::detail::SourceProviderType::TYPE_DOUBLE:
+        return "double";
+    case unoidl::detail::SourceProviderType::TYPE_CHAR:
+        return "char";
+    case unoidl::detail::SourceProviderType::TYPE_STRING:
+        return "string";
+    case unoidl::detail::SourceProviderType::TYPE_TYPE:
+        return "type";
+    case unoidl::detail::SourceProviderType::TYPE_ANY:
+        return "any";
+    case unoidl::detail::SourceProviderType::TYPE_SEQUENCE:
+        assert(subtypes.size() == 1);
+        return "[]" + subtypes.front().getName();
+    case unoidl::detail::SourceProviderType::TYPE_ENUM:
+    case unoidl::detail::SourceProviderType::TYPE_PLAIN_STRUCT:
+    case unoidl::detail::SourceProviderType::TYPE_EXCEPTION:
+    case unoidl::detail::SourceProviderType::TYPE_INTERFACE:
+    case unoidl::detail::SourceProviderType::TYPE_PARAMETER:
+        return name;
+    case unoidl::detail::SourceProviderType::TYPE_INSTANTIATED_POLYMORPHIC_STRUCT:
+        {
+            OUStringBuffer n(512);
+            n.append(name + "<");
+            for (auto i(subtypes.begin()); i != subtypes.end(); ++i) {
+                if (i != subtypes.begin()) {
+                    n.append(",");
+                }
+                n.append(i->getName());
+            }
+            return n.append(">").makeStringAndClear();
+        }
+    default:
+        assert(false && "this cannot happen"); for (;;) { std::abort(); }
+    }
+}
+
+bool SourceProviderType::equals(SourceProviderType const & other) const {
+    if (type != other.type || name != other.name
+        || subtypes.size() != other.subtypes.size())
+    {
+        return false;
+    }
+    for (auto i(subtypes.begin()), j(other.subtypes.begin());
+         i != subtypes.end(); ++i, ++j)
+    {
+        if (!i->equals(*j)) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool SourceProviderInterfaceTypeEntityPad::addDirectBase(
+    YYLTYPE location, yyscan_t yyscanner, SourceProviderScannerData * data,
+    DirectBase const & base, bool optional)
+{
+    std::set<OUString> seen;
+    if (!(checkBaseClashes(
+              location, yyscanner, data, base.name, base.entity, true, optional,
+              optional, &seen)
+          && addBase(
+              location, yyscanner, data, base.name, base.name, base.entity,
+              true, optional)))
+    {
+        return false;
+    }
+    if (optional) {
+        addOptionalBaseMembers(
+            location, yyscanner, data, base.name, base.entity);
+    }
+    (optional ? directOptionalBases : directMandatoryBases).push_back(base);
+    return true;
+}
+
+bool SourceProviderInterfaceTypeEntityPad::addDirectMember(
+    YYLTYPE location, yyscan_t yyscanner, SourceProviderScannerData * data,
+    OUString const & name)
+{
+    assert(data != nullptr);
+    if (!checkMemberClashes(location, yyscanner, data, u"", name, true)) {
+        return false;
+    }
+    allMembers.emplace(name, Member(data->currentName));
+    return true;
+}
+
+bool SourceProviderInterfaceTypeEntityPad::checkBaseClashes(
+    YYLTYPE location, yyscan_t yyscanner, SourceProviderScannerData * data,
+    OUString const & name,
+    rtl::Reference<unoidl::InterfaceTypeEntity> const & entity, bool direct,
+    bool optional, bool outerOptional, std::set<OUString> * seen) const
+{
+    assert(data != nullptr);
+    assert(entity.is());
+    assert(seen != nullptr);
+    if (direct || optional || seen->insert(name).second) {
+        std::map<OUString, BaseKind>::const_iterator i(allBases.find(name));
+        if (i != allBases.end()) {
+            switch (i->second) {
+            case BASE_INDIRECT_OPTIONAL:
+                if (direct && optional) {
+                    error(
+                        location, yyscanner,
+                        ("interface type " + data->currentName
+                         + " duplicate base " + name));
+                    return false;
+                }
+                break;
+            case BASE_DIRECT_OPTIONAL:
+                if (direct || !outerOptional) {
+                    error(
+                        location, yyscanner,
+                        ("interface type " + data->currentName
+                         + " duplicate base " + name));
+                    return false;
+                }
+                return true;
+            case BASE_INDIRECT_MANDATORY:
+                if (direct) {
+                    error(
+                        location, yyscanner,
+                        ("interface type " + data->currentName
+                         + " duplicate base " + name));
+                    return false;
+                }
+                return true;
+            case BASE_DIRECT_MANDATORY:
+                if (direct || (!optional && !outerOptional)) {
+                    error(
+                        location, yyscanner,
+                        ("interface type " + data->currentName
+                         + " duplicate base " + name));
+                    return false;
+                }
+                return true;
+            }
+        }
+        if (direct || !optional) {
+            for (auto & j: entity->getDirectMandatoryBases()) {
+                OUString n("." + j.name);
+                unoidl::detail::SourceProviderEntity const * p;
+                if (findEntity(
+                        location, yyscanner, data, true, &n, &p, nullptr,
+                        nullptr)
+                    == FOUND_ERROR)
+                {
+                    return false;
+                }
+                if (p == nullptr || !p->entity.is()
+                    || (p->entity->getSort()
+                        != unoidl::Entity::SORT_INTERFACE_TYPE))
+                {
+                    error(
+                        location, yyscanner,
+                        ("inconsistent type manager: interface type "
+                         + data->currentName + " base " + n
+                         + " does not resolve to an existing interface type"));
+                    return false;
+                }
+                if (!checkBaseClashes(
+                        location, yyscanner, data, n,
+                        static_cast<unoidl::InterfaceTypeEntity *>(
+                            p->entity.get()),
+                        false, false, outerOptional, seen))
+                {
+                    return false;
+                }
+            }
+            for (auto & j: entity->getDirectOptionalBases()) {
+                OUString n("." + j.name);
+                unoidl::detail::SourceProviderEntity const * p;
+                if (findEntity(
+                        location, yyscanner, data, true, &n, &p, nullptr,
+                        nullptr)
+                    == FOUND_ERROR)
+                {
+                    return false;
+                }
+                if (p == nullptr || !p->entity.is()
+                    || (p->entity->getSort()
+                        != unoidl::Entity::SORT_INTERFACE_TYPE))
+                {
+                    error(
+                        location, yyscanner,
+                        ("inconsistent type manager: interface type "
+                         + data->currentName + " base " + n
+                         + " does not resolve to an existing interface type"));
+                    return false;
+                }
+                if (!checkBaseClashes(
+                        location, yyscanner, data, n,
+                        static_cast<unoidl::InterfaceTypeEntity *>(
+                            p->entity.get()),
+                        false, true, outerOptional, seen))
+                {
+                    return false;
+                }
+            }
+            for (auto & j: entity->getDirectAttributes()) {
+                if (!checkMemberClashes(
+                        location, yyscanner, data, name, j.name,
+                        !outerOptional))
+                {
+                    return false;
+                }
+            }
+            for (auto & j: entity->getDirectMethods()) {
+                if (!checkMemberClashes(
+                        location, yyscanner, data, name, j.name,
+                        !outerOptional))
+                {
+                    return false;
+                }
+            }
+        }
+    }
+    return true;
+}
+
+bool SourceProviderInterfaceTypeEntityPad::checkMemberClashes(
+    YYLTYPE location, yyscan_t yyscanner, SourceProviderScannerData * data,
+    std::u16string_view interfaceName, OUString const & memberName,
+    bool checkOptional) const
+{
+    std::map<OUString, Member>::const_iterator i(allMembers.find(memberName));
+    if (i != allMembers.end()) {
+        if (!i->second.mandatory.isEmpty()) {
+            // For a direct member, interfaceName will be empty, so this will
+            // catch two direct members with the same name:
+            if (i->second.mandatory != interfaceName) {
+                error(
+                    location, yyscanner,
+                    ("interface type " + data->currentName
+                     + " duplicate member " + memberName));
+                return false;
+            }
+        } else if (checkOptional) {
+            for (auto & j: i->second.optional) {
+                if (j != interfaceName) {
+                    error(
+                        location, yyscanner,
+                        ("interface type " + data->currentName
+                         + " duplicate member " + memberName));
+                    return false;
+                }
+            }
+        }
+    }
+    return true;
+}
+
+bool SourceProviderInterfaceTypeEntityPad::addBase(
+    YYLTYPE location, yyscan_t yyscanner, SourceProviderScannerData * data,
+    OUString const & directBaseName, OUString const & name,
+    rtl::Reference<unoidl::InterfaceTypeEntity> const & entity, bool direct,
+    bool optional)
+{
+    assert(data != nullptr);
+    assert(entity.is());
+    BaseKind kind = optional
+        ? direct ? BASE_DIRECT_OPTIONAL : BASE_INDIRECT_OPTIONAL
+        : direct ? BASE_DIRECT_MANDATORY : BASE_INDIRECT_MANDATORY;
+    std::pair<std::map<OUString, BaseKind>::iterator, bool> p(
+        allBases.emplace(name, kind));
+    bool seen = !p.second && p.first->second >= BASE_INDIRECT_MANDATORY;
+    if (!p.second && kind > p.first->second) {
+        p.first->second = kind;
+    }
+    if (!optional && !seen) {
+        for (auto & i: entity->getDirectMandatoryBases()) {
+            OUString n("." + i.name);
+            unoidl::detail::SourceProviderEntity const * q;
+            if (findEntity(
+                    location, yyscanner, data, true, &n, &q, nullptr, nullptr)
+                == FOUND_ERROR)
+            {
+                return false;
+            }
+            if (q == nullptr || !q->entity.is()
+                || q->entity->getSort() != unoidl::Entity::SORT_INTERFACE_TYPE)
+            {
+                error(
+                    location, yyscanner,
+                    ("inconsistent type manager: interface type "
+                     + data->currentName + " base " + n
+                     + " does not resolve to an existing interface type"));
+                return false;
+            }
+            if (!addBase(
+                    location, yyscanner, data, directBaseName, n,
+                    static_cast<unoidl::InterfaceTypeEntity *>(q->entity.get()),
+                    false, false))
+            {
+                return false;
+            }
+        }
+        for (auto & i: entity->getDirectOptionalBases())
+        {
+            OUString n("." + i.name);
+            unoidl::detail::SourceProviderEntity const * q;
+            if (findEntity(
+                    location, yyscanner, data, true, &n, &q, nullptr, nullptr)
+                == FOUND_ERROR)
+            {
+                return false;
+            }
+            if (q == nullptr || !q->entity.is()
+                || q->entity->getSort() != unoidl::Entity::SORT_INTERFACE_TYPE)
+            {
+                error(
+                    location, yyscanner,
+                    ("inconsistent type manager: interface type "
+                     + data->currentName + " base " + n
+                     + " does not resolve to an existing interface type"));
+                return false;
+            }
+            if (!addBase(
+                    location, yyscanner, data, directBaseName, n,
+                    static_cast<unoidl::InterfaceTypeEntity *>(q->entity.get()),
+                    false, true))
+            {
+                return false;
+            }
+        }
+        for (auto & i: entity->getDirectAttributes()) {
+            allMembers.emplace(i.name, Member(name));
+        }
+        for (auto & i: entity->getDirectMethods()) {
+            allMembers.emplace(i.name, Member(name));
+        }
+    }
+    return true;
+}
+
+bool SourceProviderInterfaceTypeEntityPad::addOptionalBaseMembers(
+    YYLTYPE location, yyscan_t yyscanner, SourceProviderScannerData * data,
+    OUString const & name,
+    rtl::Reference<unoidl::InterfaceTypeEntity> const & entity)
+{
+    assert(entity.is());
+    for (auto & i: entity->getDirectMandatoryBases()) {
+        OUString n("." + i.name);
+        unoidl::detail::SourceProviderEntity const * p;
+        if (findEntity(
+                location, yyscanner, data, true, &n, &p, nullptr, nullptr)
+            == FOUND_ERROR)
+        {
+            return false;
+        }
+        if (p == nullptr || !p->entity.is()
+            || p->entity->getSort() != unoidl::Entity::SORT_INTERFACE_TYPE)
+        {
+            error(
+                location, yyscanner,
+                ("inconsistent type manager: interface type "
+                 + data->currentName + " base " + n
+                 + " does not resolve to an existing interface type"));
+            return false;
+        }
+        if (!addOptionalBaseMembers(
+                location, yyscanner, data, n,
+                static_cast<unoidl::InterfaceTypeEntity *>(p->entity.get())))
+        {
+            return false;
+        }
+    }
+    for (auto & i: entity->getDirectAttributes()) {
+        Member & m(
+            allMembers.emplace(i.name, Member(""))
+            .first->second);
+        if (m.mandatory.isEmpty()) {
+            m.optional.insert(name);
+        }
+    }
+    for (auto & i: entity->getDirectMethods()) {
+        Member & m(
+            allMembers.emplace(i.name, Member(""))
+            .first->second);
+        if (m.mandatory.isEmpty()) {
+            m.optional.insert(name);
+        }
+    }
+    return true;
+}
+
+bool parse(OUString const & uri, SourceProviderScannerData * data) {
+    assert(data != nullptr);
+    oslFileHandle handle;
+    oslFileError e = osl_openFile(uri.pData, &handle, osl_File_OpenFlag_Read);
+    switch (e) {
+    case osl_File_E_None:
+        break;
+    case osl_File_E_NOENT:
+        return false;
+    default:
+        throw FileFormatException(uri, "cannot open: " + OUString::number(e));
+    }
+    sal_uInt64 size;
+    e = osl_getFileSize(handle, &size);
+    if (e != osl_File_E_None) {
+        oslFileError e2 = osl_closeFile(handle);
+        SAL_WARN_IF(
+            e2 != osl_File_E_None, "unoidl",
+            "cannot close " << uri << ": " << +e2);
+        throw FileFormatException(
+            uri, "cannot get size: " + OUString::number(e));
+    }
+    void * address;
+    e = osl_mapFile(handle, &address, size, 0, osl_File_MapFlag_RandomAccess);
+    if (e != osl_File_E_None) {
+        oslFileError e2 = osl_closeFile(handle);
+        SAL_WARN_IF(
+            e2 != osl_File_E_None, "unoidl",
+            "cannot close " << uri << ": " << +e2);
+        throw FileFormatException(uri, "cannot mmap: " + OUString::number(e));
+    }
+    try {
+        data->setSource(address, size);
+        yyscan_t yyscanner;
+        if (yylex_init_extra(data, &yyscanner) != 0) {
+            // Checking errno for the specific EINVAL, ENOMEM documented for
+            // yylex_init_extra would not work as those values are not defined
+            // by the C++ Standard:
+            int e2 = errno;
+            throw FileFormatException(
+                uri,
+                "yylex_init_extra failed with errno " + OUString::number(e2));
+        }
+        int e2 = yyparse(yyscanner);
+        yylex_destroy(yyscanner);
+        switch (e2) {
+        case 0:
+            break;
+        default:
+            O3TL_UNREACHABLE;
+        case 1:
+            throw FileFormatException(
+                uri,
+                ("cannot parse"
+                 + (data->errorLine == 0
+                    ? OUString() : " line " + OUString::number(data->errorLine))
+                 + (data->parserError.isEmpty()
+                    ? OUString()
+                    : (", "
+                       + OStringToOUString(
+                           data->parserError, osl_getThreadTextEncoding())))
+                 + (data->errorMessage.isEmpty()
+                    ? OUString() : ": \"" + data->errorMessage + "\"")));
+        case 2:
+            throw std::bad_alloc();
+        }
+    } catch (...) {
+        e = osl_unmapMappedFile(handle, address, size);
+        SAL_WARN_IF(e != osl_File_E_None, "unoidl", "cannot unmap: " << +e);
+        e = osl_closeFile(handle);
+        SAL_WARN_IF(e != osl_File_E_None, "unoidl", "cannot close: " << +e);
+        throw;
+    }
+    e = osl_unmapMappedFile(handle, address, size);
+    SAL_WARN_IF(e != osl_File_E_None, "unoidl", "cannot unmap: " << +e);
+    e = osl_closeFile(handle);
+    SAL_WARN_IF(e != osl_File_E_None, "unoidl", "cannot close: " << +e);
+    return true;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */