| /******************************************************************************* |
| * 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 org.antlr.runtime.tree.CommonTree; |
| import org.eclipse.tracecompass.ctf.parser.CTFParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.ICommonTreeParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.ParseException; |
| |
| /** |
| * Type specifier list name parser (is it a bool? a string... ) |
| * |
| * @author Matthew Khouzam |
| * |
| */ |
| public final class TypeSpecifierListNameParser implements ICommonTreeParser { |
| |
| /** |
| * Instance |
| */ |
| public static final TypeSpecifierListNameParser INSTANCE = new TypeSpecifierListNameParser(); |
| |
| private TypeSpecifierListNameParser() { |
| } |
| |
| /** |
| * Creates the string representation of a type specifier. |
| * |
| * @param typeSpecifier |
| * A TYPE_SPECIFIER node. |
| * |
| * @return param unused |
| * @throws ParseException |
| * invalid node |
| */ |
| @Override |
| public StringBuilder parse(CommonTree typeSpecifier, ICommonTreeParserParameter param) throws ParseException { |
| StringBuilder sb = new StringBuilder(); |
| switch (typeSpecifier.getType()) { |
| 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: |
| case CTFParser.CONSTTOK: |
| case CTFParser.IDENTIFIER: |
| parseSimple(typeSpecifier, sb); |
| break; |
| case CTFParser.STRUCT: { |
| parseStruct(typeSpecifier, sb); |
| break; |
| } |
| case CTFParser.VARIANT: { |
| parseVariant(typeSpecifier, sb); |
| break; |
| } |
| case CTFParser.ENUM: { |
| parseEnum(typeSpecifier, sb); |
| break; |
| } |
| case CTFParser.FLOATING_POINT: |
| case CTFParser.INTEGER: |
| case CTFParser.STRING: |
| throw new ParseException("CTF type found in createTypeSpecifierString"); //$NON-NLS-1$ |
| default: |
| throw childTypeError(typeSpecifier); |
| } |
| return sb; |
| |
| } |
| |
| private static void parseEnum(CommonTree typeSpecifier, StringBuilder sb) throws ParseException { |
| CommonTree enumName = (CommonTree) typeSpecifier.getFirstChildWithType(CTFParser.ENUM_NAME); |
| if (enumName == null) { |
| throw new ParseException("nameless enum found in createTypeSpecifierString"); //$NON-NLS-1$ |
| } |
| |
| CommonTree enumNameIdentifier = (CommonTree) enumName.getChild(0); |
| |
| parseSimple(enumNameIdentifier, sb); |
| } |
| |
| private static void parseVariant(CommonTree typeSpecifier, StringBuilder sb) throws ParseException { |
| CommonTree variantName = (CommonTree) typeSpecifier.getFirstChildWithType(CTFParser.VARIANT_NAME); |
| if (variantName == null) { |
| throw new ParseException("nameless variant found in createTypeSpecifierString"); //$NON-NLS-1$ |
| } |
| |
| CommonTree variantNameIdentifier = (CommonTree) variantName.getChild(0); |
| |
| parseSimple(variantNameIdentifier, sb); |
| } |
| |
| private static void parseSimple(CommonTree typeSpecifier, StringBuilder sb) { |
| sb.append(typeSpecifier.getText()); |
| } |
| |
| private static void parseStruct(CommonTree typeSpecifier, StringBuilder sb) throws ParseException { |
| CommonTree structName = (CommonTree) typeSpecifier.getFirstChildWithType(CTFParser.STRUCT_NAME); |
| if (structName == null) { |
| throw new ParseException("nameless struct found in createTypeSpecifierString"); //$NON-NLS-1$ |
| } |
| |
| CommonTree structNameIdentifier = (CommonTree) structName.getChild(0); |
| |
| parseSimple(structNameIdentifier, sb); |
| } |
| |
| } |