| /******************************************************************************* |
| * Copyright (c) 2015 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| *******************************************************************************/ |
| package org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl; |
| |
| import static org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.TsdlUtils.childTypeError; |
| |
| import java.nio.ByteOrder; |
| import java.util.List; |
| |
| import org.antlr.runtime.tree.CommonTree; |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.NonNullByDefault; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.tracecompass.ctf.core.event.metadata.DeclarationScope; |
| import org.eclipse.tracecompass.ctf.core.event.types.EnumDeclaration; |
| import org.eclipse.tracecompass.ctf.core.event.types.IDeclaration; |
| import org.eclipse.tracecompass.ctf.core.event.types.StructDeclaration; |
| import org.eclipse.tracecompass.ctf.core.trace.CTFTrace; |
| import org.eclipse.tracecompass.ctf.parser.CTFParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.AbstractScopedCommonTreeParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.MetadataStrings; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.ParseException; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.enumeration.EnumParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.floatingpoint.FloatDeclarationParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.integer.IntegerDeclarationParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.string.StringDeclarationParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.struct.StructParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.variant.VariantParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.types.composite.EventHeaderCompactDeclaration; |
| import org.eclipse.tracecompass.internal.ctf.core.event.types.composite.EventHeaderLargeDeclaration; |
| |
| /** |
| * Parse the specifiers. Make sure they are known types. This can be seen as a |
| * declaration factory. |
| * |
| * @author Matthew Khouzam |
| * |
| */ |
| public final class TypeSpecifierListParser extends AbstractScopedCommonTreeParser { |
| |
| /** |
| * Parameter Object |
| * |
| * @author Matthew Khouzam |
| * |
| */ |
| @NonNullByDefault |
| public static final class Param implements ICommonTreeParserParameter { |
| private final DeclarationScope fDeclarationScope; |
| private final @Nullable List<CommonTree> fListNode; |
| private final CTFTrace fTrace; |
| private final @Nullable CommonTree fIdentifier; |
| |
| /** |
| * Constructor |
| * |
| * @param trace |
| * The trace |
| * @param listNode |
| * A list of POINTER nodes that apply to the specified type. |
| * @param identifier |
| * the identifier node |
| * @param scope |
| * the current scope |
| */ |
| public Param(CTFTrace trace, @Nullable List<CommonTree> listNode, @Nullable CommonTree identifier, DeclarationScope scope) { |
| fTrace = trace; |
| fListNode = listNode; |
| fIdentifier = identifier; |
| fDeclarationScope = scope; |
| } |
| } |
| |
| /** |
| * The instance |
| */ |
| public static final TypeSpecifierListParser INSTANCE = new TypeSpecifierListParser(); |
| |
| private TypeSpecifierListParser() { |
| } |
| |
| /** |
| * Parses a type specifier list and returns the corresponding declaration. |
| * |
| * @param typeSpecifierList |
| * A TYPE_SPECIFIER_LIST node. |
| * @param param |
| * The paramer object |
| * |
| * @return The corresponding declaration. |
| * @throws ParseException |
| * If the type has not been defined or if there is an error |
| * creating the declaration. |
| */ |
| @Override |
| public IDeclaration parse(CommonTree typeSpecifierList, ICommonTreeParserParameter param) throws ParseException { |
| if (!(param instanceof Param)) { |
| throw new IllegalArgumentException("Param must be a " + Param.class.getCanonicalName()); //$NON-NLS-1$ |
| } |
| final DeclarationScope scope = ((Param) param).fDeclarationScope; |
| List<@NonNull CommonTree> pointerList = ((Param) param).fListNode; |
| CTFTrace trace = ((Param) param).fTrace; |
| CommonTree identifier = ((Param) param).fIdentifier; |
| IDeclaration declaration = null; |
| |
| /* |
| * By looking at the first element of the type specifier list, we can |
| * determine which type it belongs to. |
| */ |
| CommonTree firstChild = (CommonTree) typeSpecifierList.getChild(0); |
| |
| switch (firstChild.getType()) { |
| case CTFParser.FLOATING_POINT: |
| declaration = FloatDeclarationParser.INSTANCE.parse(firstChild, new FloatDeclarationParser.Param(trace)); |
| break; |
| case CTFParser.INTEGER: |
| declaration = IntegerDeclarationParser.INSTANCE.parse(firstChild, new IntegerDeclarationParser.Param(trace)); |
| break; |
| case CTFParser.STRING: |
| declaration = StringDeclarationParser.INSTANCE.parse(firstChild, null); |
| break; |
| case CTFParser.STRUCT: |
| declaration = StructParser.INSTANCE.parse(firstChild, new StructParser.Param(trace, identifier, scope)); |
| StructDeclaration structDeclaration = (StructDeclaration) declaration; |
| if (structDeclaration.hasField(MetadataStrings.ID)) { |
| IDeclaration idEnumDecl = structDeclaration.getField(MetadataStrings.ID); |
| if (idEnumDecl instanceof EnumDeclaration) { |
| EnumDeclaration enumDeclaration = (EnumDeclaration) idEnumDecl; |
| ByteOrder bo = enumDeclaration.getContainerType().getByteOrder(); |
| if (EventHeaderCompactDeclaration.getEventHeader(bo).isCompactEventHeader(structDeclaration)) { |
| declaration = EventHeaderCompactDeclaration.getEventHeader(bo); |
| } else if (EventHeaderLargeDeclaration.getEventHeader(bo).isLargeEventHeader(structDeclaration)) { |
| declaration = EventHeaderLargeDeclaration.getEventHeader(bo); |
| } |
| } |
| } |
| break; |
| case CTFParser.VARIANT: |
| declaration = VariantParser.INSTANCE.parse(firstChild, new VariantParser.Param(trace, scope)); |
| break; |
| case CTFParser.ENUM: |
| declaration = EnumParser.INSTANCE.parse(firstChild, new EnumParser.Param(trace, scope)); |
| break; |
| case CTFParser.IDENTIFIER: |
| case CTFParser.FLOATTOK: |
| case CTFParser.INTTOK: |
| case CTFParser.LONGTOK: |
| case CTFParser.SHORTTOK: |
| case CTFParser.SIGNEDTOK: |
| case CTFParser.UNSIGNEDTOK: |
| case CTFParser.CHARTOK: |
| case CTFParser.DOUBLETOK: |
| case CTFParser.VOIDTOK: |
| case CTFParser.BOOLTOK: |
| case CTFParser.COMPLEXTOK: |
| case CTFParser.IMAGINARYTOK: |
| declaration = TypeDeclarationParser.INSTANCE.parse(typeSpecifierList, new TypeDeclarationParser.Param(pointerList, scope)); |
| break; |
| default: |
| throw childTypeError(firstChild); |
| } |
| |
| return declaration; |
| } |
| } |