mirror of
https://github.com/eclipse-cdt/cdt
synced 2025-04-29 19:45:01 +02:00
Made PreprocessorMacro and TokenList public (#676)
### Changes With this PR, `PreprocessorMacro` and its subclasses are no longer package-private but public instead. Same goes for `TokenList`. ### Reasons for the changes When parsing C/C++ code with CDT as a standalone library I want to track certain macro expansions using the [MacroExpander](https://github.com/eclipse-cdt/cdt/blob/main/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/MacroExpander.java). It is not actually part of the public API but declared as `public`. It takes an argument `macroDictionary` of type `CharArrayMap<PreprocessorMacro>` in its constructor. Currently, `PreprocessorMacro` is package-privat and thus, not available without shadowing (i.e., implementing my custom macro tracker in the package `org.eclipse.cdt.internal.core.parser.scanner`). It questionable whether it is a good design decision to have public and private API mixed together here (rendering the usage of the constructor of `MacroExpander` impossible). Also, another problem occurs once you take the route of shadowing to have access to `PreprocessorMacro`: the CDT jars are all signed during release (makes sense) but, sadly speaking, that will result in a `SecurityException` when trying to call their API from your own (unsigned) code which lives in the shadowed package (in my case in `org.eclipse.cdt.internal.core.parser.scanner`). ### Problem solved MacroExpander can now be used from the outside because `PreprocessorMacro` and `TokenList` are no longer package-private. Shadowing is no longer needed. Signed jars are no longer a problem.
This commit is contained in:
parent
5e7ce7e31a
commit
61c3568839
11 changed files with 511 additions and 358 deletions
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@ -0,0 +1,37 @@
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/*******************************************************************************
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* Copyright (c) 2007, 2020 Wind River Systems, Inc. and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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* which accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Alexander Fedorov (ArSysOp) - Bug 561992
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*******************************************************************************/
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package org.eclipse.cdt.internal.core.parser.scanner;
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import org.eclipse.cdt.core.parser.IToken;
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public final class CounterMacro extends DynamicMacro {
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private static final char[] ZERO = { '0' };
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private long fValue;
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public CounterMacro(char[] name) {
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super(name);
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}
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@Override
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public Token execute(MacroExpander expander) {
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return new TokenWithImage(IToken.tINTEGER, null, 0, 0, String.valueOf(fValue++).toCharArray());
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}
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@Override
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public char[] getExpansionImage() {
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return ZERO;
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}
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}
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@ -0,0 +1,51 @@
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/*******************************************************************************
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* Copyright (c) 2007, 2020 Wind River Systems, Inc. and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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* which accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Alexander Fedorov (ArSysOp) - Bug 561992
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*******************************************************************************/
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package org.eclipse.cdt.internal.core.parser.scanner;
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import java.text.DateFormatSymbols;
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import java.util.Calendar;
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import org.eclipse.cdt.core.parser.IToken;
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public final class DateMacro extends DynamicMacro {
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public DateMacro(char[] name) {
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super(name);
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}
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@Override
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public Token execute(MacroExpander expander) {
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return new TokenWithImage(IToken.tSTRING, null, 0, 0, createDate());
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}
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private char[] createDate() {
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char[] charArray;
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StringBuilder buffer = new StringBuilder("\""); //$NON-NLS-1$
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Calendar cal = Calendar.getInstance();
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DateFormatSymbols dfs = new DateFormatSymbols();
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buffer.append(dfs.getShortMonths()[cal.get(Calendar.MONTH)]);
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buffer.append(" "); //$NON-NLS-1$
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append(buffer, cal.get(Calendar.DAY_OF_MONTH));
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buffer.append(" "); //$NON-NLS-1$
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buffer.append(cal.get(Calendar.YEAR));
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buffer.append("\""); //$NON-NLS-1$
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charArray = buffer.toString().toCharArray();
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return charArray;
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}
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@Override
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public char[] getExpansionImage() {
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return createDate();
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}
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}
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@ -0,0 +1,49 @@
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/*******************************************************************************
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* Copyright (c) 2007, 2020 Wind River Systems, Inc. and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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* which accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Alexander Fedorov (ArSysOp) - Bug 561992
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*******************************************************************************/
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package org.eclipse.cdt.internal.core.parser.scanner;
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import org.eclipse.cdt.internal.core.parser.scanner.Lexer.LexerOptions;
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public abstract class DynamicMacro extends PreprocessorMacro {
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public DynamicMacro(char[] name) {
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super(name);
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}
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@Override
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public final char[] getExpansion() {
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return getExpansionImage();
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}
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public abstract Token execute(MacroExpander expander);
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@Override
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public TokenList getTokens(MacroDefinitionParser mdp, LexerOptions lexOptions, MacroExpander expander) {
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TokenList result = new TokenList();
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result.append(execute(expander));
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return result;
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}
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final protected void append(StringBuilder buffer, int value) {
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if (value < 10)
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buffer.append("0"); //$NON-NLS-1$
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buffer.append(value);
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}
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@Override
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public final boolean isDynamic() {
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return true;
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}
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}
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@ -0,0 +1,36 @@
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/*******************************************************************************
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* Copyright (c) 2007, 2020 Wind River Systems, Inc. and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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* which accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Alexander Fedorov (ArSysOp) - Bug 561992
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*******************************************************************************/
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package org.eclipse.cdt.internal.core.parser.scanner;
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import org.eclipse.cdt.core.parser.IToken;
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public final class FileMacro extends DynamicMacro {
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public FileMacro(char[] name) {
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super(name);
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}
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@Override
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public Token execute(MacroExpander expander) {
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StringBuffer buffer = new StringBuffer("\""); //$NON-NLS-1$
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buffer.append(expander.getCurrentFilename().replace("\\", "\\\\")); //$NON-NLS-1$//$NON-NLS-2$
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buffer.append('\"');
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return new TokenWithImage(IToken.tSTRING, null, 0, 0, buffer.toString().toCharArray());
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}
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@Override
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public char[] getExpansionImage() {
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return "\"file\"".toCharArray(); //$NON-NLS-1$
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}
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}
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@ -0,0 +1,119 @@
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/*******************************************************************************
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* Copyright (c) 2007, 2020 Wind River Systems, Inc. and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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* which accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Alexander Fedorov (ArSysOp) - Bug 561992
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*******************************************************************************/
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package org.eclipse.cdt.internal.core.parser.scanner;
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import org.eclipse.cdt.core.parser.Keywords;
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public class FunctionStyleMacro extends ObjectStyleMacro {
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public static final int NO_VAARGS = 0; // M(a)
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public static final int VAARGS = 1; // M(...)
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public static final int NAMED_VAARGS = 2; // M(a...)
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final private char[][] fParamList;
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final private int fHasVarArgs;
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private char[] fSignature;
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public FunctionStyleMacro(char[] name, char[][] paramList, int hasVarArgs, char[] expansion) {
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this(name, paramList, hasVarArgs, 0, expansion.length, null, new CharArray(expansion));
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}
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public FunctionStyleMacro(char[] name, char[][] paramList, int hasVarArgs, AbstractCharArray expansion,
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int expansionOffset, int expansionEndOffset) {
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this(name, paramList, hasVarArgs, expansionOffset, expansionEndOffset, null, expansion);
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}
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public FunctionStyleMacro(char[] name, char[][] paramList, int hasVarArgs, int expansionFileOffset,
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int endFileOffset, TokenList expansion, AbstractCharArray source) {
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super(name, expansionFileOffset, endFileOffset, expansion, source);
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fParamList = paramList;
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fHasVarArgs = hasVarArgs;
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}
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@Override
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public char[][] getParameterList() {
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final int length = fParamList.length;
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if (fHasVarArgs == NO_VAARGS || length == 0) {
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return fParamList;
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}
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char[][] result = new char[length][];
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System.arraycopy(fParamList, 0, result, 0, length - 1);
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if (fHasVarArgs == VAARGS) {
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result[length - 1] = Keywords.cpELLIPSIS;
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} else {
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final char[] param = fParamList[length - 1];
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final int plen = param.length;
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final int elen = Keywords.cpELLIPSIS.length;
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final char[] rp = new char[plen + elen];
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System.arraycopy(param, 0, rp, 0, plen);
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System.arraycopy(Keywords.cpELLIPSIS, 0, rp, plen, elen);
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result[length - 1] = rp;
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}
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return result;
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}
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@Override
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public char[][] getParameterPlaceholderList() {
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return fParamList;
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}
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public char[] getSignature() {
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if (fSignature != null) {
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return fSignature;
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}
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StringBuffer result = new StringBuffer();
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result.append(getName());
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result.append('(');
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final int lastIdx = fParamList.length - 1;
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if (lastIdx >= 0) {
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for (int i = 0; i < lastIdx; i++) {
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result.append(fParamList[i]);
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result.append(',');
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}
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switch (fHasVarArgs) {
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case VAARGS:
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result.append(Keywords.cpELLIPSIS);
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break;
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case NAMED_VAARGS:
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result.append(fParamList[lastIdx]);
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result.append(Keywords.cpELLIPSIS);
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break;
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default:
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result.append(fParamList[lastIdx]);
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break;
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}
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}
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result.append(')');
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final int len = result.length();
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final char[] sig = new char[len];
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result.getChars(0, len, sig, 0);
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fSignature = sig;
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return sig;
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}
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/**
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* Returns one of {@link FunctionStyleMacro#NO_VAARGS}, {@link #VAARGS} or {@link #NAMED_VAARGS}.
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*/
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@Override
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public int hasVarArgs() {
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return fHasVarArgs;
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}
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@Override
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public boolean isFunctionStyle() {
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return true;
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}
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}
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@ -0,0 +1,34 @@
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/*******************************************************************************
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* Copyright (c) 2007, 2020 Wind River Systems, Inc. and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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* which accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Alexander Fedorov (ArSysOp) - Bug 561992
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*******************************************************************************/
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package org.eclipse.cdt.internal.core.parser.scanner;
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import org.eclipse.cdt.core.parser.IToken;
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public final class LineMacro extends DynamicMacro {
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public LineMacro(char[] name) {
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super(name);
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}
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@Override
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public Token execute(MacroExpander expander) {
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int lineNumber = expander.getCurrentLineNumber();
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return new TokenWithImage(IToken.tINTEGER, null, 0, 0, Long.toString(lineNumber).toCharArray());
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}
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@Override
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public char[] getExpansionImage() {
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return new char[] { '1' };
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}
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}
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@ -0,0 +1,91 @@
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/*******************************************************************************
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* Copyright (c) 2007, 2020 Wind River Systems, Inc. and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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* which accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Alexander Fedorov (ArSysOp) - Bug 561992
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*******************************************************************************/
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package org.eclipse.cdt.internal.core.parser.scanner;
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import org.eclipse.cdt.core.parser.OffsetLimitReachedException;
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import org.eclipse.cdt.internal.core.parser.scanner.Lexer.LexerOptions;
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public class ObjectStyleMacro extends PreprocessorMacro {
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private final AbstractCharArray fExpansion;
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private final int fExpansionOffset;
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private final int fEndOffset;
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private TokenList fExpansionTokens;
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public ObjectStyleMacro(char[] name, char[] expansion) {
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this(name, 0, expansion.length, null, new CharArray(expansion));
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}
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public ObjectStyleMacro(char[] name, int expansionOffset, int endOffset, TokenList expansion,
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AbstractCharArray source) {
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super(name);
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fExpansionOffset = expansionOffset;
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fEndOffset = endOffset;
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fExpansion = source;
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fExpansionTokens = expansion;
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if (expansion != null) {
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setSource(expansion.first());
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}
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}
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public int getExpansionOffset() {
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return fExpansionOffset;
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}
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public int getExpansionEndOffset() {
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return fEndOffset;
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}
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private void setSource(Token t) {
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final int shift = -fExpansionOffset;
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while (t != null) {
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t.fSource = this;
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t.shiftOffset(shift);
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t = (Token) t.getNext();
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}
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}
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@Override
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public char[] getExpansion() {
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return MacroDefinitionParser.getExpansion(fExpansion, fExpansionOffset, fEndOffset);
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}
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@Override
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public char[] getExpansionImage() {
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final int length = fEndOffset - fExpansionOffset;
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char[] result = new char[length];
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fExpansion.arraycopy(fExpansionOffset, result, 0, length);
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return result;
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}
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@Override
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public TokenList getTokens(MacroDefinitionParser mdp, LexerOptions lexOptions, MacroExpander expander) {
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if (fExpansionTokens == null) {
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fExpansionTokens = new TokenList();
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Lexer lex = new Lexer(fExpansion, fExpansionOffset, fEndOffset, lexOptions, ILexerLog.NULL, this);
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try {
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lex.nextToken(); // consume the start token
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mdp.parseExpansion(lex, ILexerLog.NULL, getNameCharArray(), getParameterPlaceholderList(),
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fExpansionTokens);
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} catch (OffsetLimitReachedException e) {
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}
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}
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return fExpansionTokens;
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}
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@Override
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public final boolean isDynamic() {
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return false;
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}
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}
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@ -14,16 +14,10 @@
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*******************************************************************************/
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package org.eclipse.cdt.internal.core.parser.scanner;
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import java.text.DateFormatSymbols;
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import java.util.Calendar;
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import org.eclipse.cdt.core.dom.ILinkage;
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import org.eclipse.cdt.core.dom.ast.IBinding;
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import org.eclipse.cdt.core.dom.ast.IMacroBinding;
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import org.eclipse.cdt.core.dom.ast.IScope;
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import org.eclipse.cdt.core.parser.IToken;
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import org.eclipse.cdt.core.parser.Keywords;
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import org.eclipse.cdt.core.parser.OffsetLimitReachedException;
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import org.eclipse.cdt.internal.core.dom.Linkage;
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import org.eclipse.cdt.internal.core.parser.scanner.Lexer.LexerOptions;
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@ -31,7 +25,7 @@ import org.eclipse.cdt.internal.core.parser.scanner.Lexer.LexerOptions;
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* Models macros used by the preprocessor
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* @since 5.0
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*/
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abstract class PreprocessorMacro implements IMacroBinding {
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public abstract class PreprocessorMacro implements IMacroBinding {
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final private char[] fName;
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public PreprocessorMacro(char[] name) {
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@ -86,7 +80,7 @@ abstract class PreprocessorMacro implements IMacroBinding {
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/**
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* Returns {@link FunctionStyleMacro#NO_VAARGS}
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*/
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int hasVarArgs() {
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public int hasVarArgs() {
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return FunctionStyleMacro.NO_VAARGS;
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}
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@ -111,351 +105,3 @@ abstract class PreprocessorMacro implements IMacroBinding {
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public abstract TokenList getTokens(MacroDefinitionParser parser, LexerOptions lexOptions, MacroExpander expander);
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}
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class ObjectStyleMacro extends PreprocessorMacro {
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private final AbstractCharArray fExpansion;
|
||||
final int fExpansionOffset;
|
||||
final int fEndOffset;
|
||||
private TokenList fExpansionTokens;
|
||||
|
||||
public ObjectStyleMacro(char[] name, char[] expansion) {
|
||||
this(name, 0, expansion.length, null, new CharArray(expansion));
|
||||
}
|
||||
|
||||
public ObjectStyleMacro(char[] name, int expansionOffset, int endOffset, TokenList expansion,
|
||||
AbstractCharArray source) {
|
||||
super(name);
|
||||
fExpansionOffset = expansionOffset;
|
||||
fEndOffset = endOffset;
|
||||
fExpansion = source;
|
||||
fExpansionTokens = expansion;
|
||||
if (expansion != null) {
|
||||
setSource(expansion.first());
|
||||
}
|
||||
}
|
||||
|
||||
public int getExpansionOffset() {
|
||||
return fExpansionOffset;
|
||||
}
|
||||
|
||||
public int getExpansionEndOffset() {
|
||||
return fEndOffset;
|
||||
}
|
||||
|
||||
private void setSource(Token t) {
|
||||
final int shift = -fExpansionOffset;
|
||||
while (t != null) {
|
||||
t.fSource = this;
|
||||
t.shiftOffset(shift);
|
||||
t = (Token) t.getNext();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansion() {
|
||||
return MacroDefinitionParser.getExpansion(fExpansion, fExpansionOffset, fEndOffset);
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansionImage() {
|
||||
final int length = fEndOffset - fExpansionOffset;
|
||||
char[] result = new char[length];
|
||||
fExpansion.arraycopy(fExpansionOffset, result, 0, length);
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public TokenList getTokens(MacroDefinitionParser mdp, LexerOptions lexOptions, MacroExpander expander) {
|
||||
if (fExpansionTokens == null) {
|
||||
fExpansionTokens = new TokenList();
|
||||
Lexer lex = new Lexer(fExpansion, fExpansionOffset, fEndOffset, lexOptions, ILexerLog.NULL, this);
|
||||
try {
|
||||
lex.nextToken(); // consume the start token
|
||||
mdp.parseExpansion(lex, ILexerLog.NULL, getNameCharArray(), getParameterPlaceholderList(),
|
||||
fExpansionTokens);
|
||||
} catch (OffsetLimitReachedException e) {
|
||||
}
|
||||
}
|
||||
return fExpansionTokens;
|
||||
}
|
||||
|
||||
@Override
|
||||
public final boolean isDynamic() {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
class FunctionStyleMacro extends ObjectStyleMacro {
|
||||
public static final int NO_VAARGS = 0; // M(a)
|
||||
public static final int VAARGS = 1; // M(...)
|
||||
public static final int NAMED_VAARGS = 2; // M(a...)
|
||||
|
||||
final private char[][] fParamList;
|
||||
final private int fHasVarArgs;
|
||||
private char[] fSignature;
|
||||
|
||||
public FunctionStyleMacro(char[] name, char[][] paramList, int hasVarArgs, char[] expansion) {
|
||||
this(name, paramList, hasVarArgs, 0, expansion.length, null, new CharArray(expansion));
|
||||
}
|
||||
|
||||
public FunctionStyleMacro(char[] name, char[][] paramList, int hasVarArgs, AbstractCharArray expansion,
|
||||
int expansionOffset, int expansionEndOffset) {
|
||||
this(name, paramList, hasVarArgs, expansionOffset, expansionEndOffset, null, expansion);
|
||||
}
|
||||
|
||||
public FunctionStyleMacro(char[] name, char[][] paramList, int hasVarArgs, int expansionFileOffset,
|
||||
int endFileOffset, TokenList expansion, AbstractCharArray source) {
|
||||
super(name, expansionFileOffset, endFileOffset, expansion, source);
|
||||
fParamList = paramList;
|
||||
fHasVarArgs = hasVarArgs;
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[][] getParameterList() {
|
||||
final int length = fParamList.length;
|
||||
if (fHasVarArgs == NO_VAARGS || length == 0) {
|
||||
return fParamList;
|
||||
}
|
||||
char[][] result = new char[length][];
|
||||
System.arraycopy(fParamList, 0, result, 0, length - 1);
|
||||
if (fHasVarArgs == VAARGS) {
|
||||
result[length - 1] = Keywords.cpELLIPSIS;
|
||||
} else {
|
||||
final char[] param = fParamList[length - 1];
|
||||
final int plen = param.length;
|
||||
final int elen = Keywords.cpELLIPSIS.length;
|
||||
final char[] rp = new char[plen + elen];
|
||||
System.arraycopy(param, 0, rp, 0, plen);
|
||||
System.arraycopy(Keywords.cpELLIPSIS, 0, rp, plen, elen);
|
||||
result[length - 1] = rp;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[][] getParameterPlaceholderList() {
|
||||
return fParamList;
|
||||
}
|
||||
|
||||
public char[] getSignature() {
|
||||
if (fSignature != null) {
|
||||
return fSignature;
|
||||
}
|
||||
|
||||
StringBuffer result = new StringBuffer();
|
||||
result.append(getName());
|
||||
result.append('(');
|
||||
|
||||
final int lastIdx = fParamList.length - 1;
|
||||
if (lastIdx >= 0) {
|
||||
for (int i = 0; i < lastIdx; i++) {
|
||||
result.append(fParamList[i]);
|
||||
result.append(',');
|
||||
}
|
||||
switch (fHasVarArgs) {
|
||||
case VAARGS:
|
||||
result.append(Keywords.cpELLIPSIS);
|
||||
break;
|
||||
case NAMED_VAARGS:
|
||||
result.append(fParamList[lastIdx]);
|
||||
result.append(Keywords.cpELLIPSIS);
|
||||
break;
|
||||
default:
|
||||
result.append(fParamList[lastIdx]);
|
||||
break;
|
||||
}
|
||||
}
|
||||
result.append(')');
|
||||
final int len = result.length();
|
||||
final char[] sig = new char[len];
|
||||
result.getChars(0, len, sig, 0);
|
||||
fSignature = sig;
|
||||
return sig;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns one of {@link FunctionStyleMacro#NO_VAARGS}, {@link #VAARGS} or {@link #NAMED_VAARGS}.
|
||||
*/
|
||||
@Override
|
||||
int hasVarArgs() {
|
||||
return fHasVarArgs;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isFunctionStyle() {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
final class UndefinedMacro extends PreprocessorMacro {
|
||||
public UndefinedMacro(char[] name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public TokenList getTokens(MacroDefinitionParser parser, LexerOptions lexOptions, MacroExpander expander) {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansion() {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansionImage() {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDynamic() {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
abstract class DynamicMacro extends PreprocessorMacro {
|
||||
|
||||
public DynamicMacro(char[] name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public final char[] getExpansion() {
|
||||
return getExpansionImage();
|
||||
}
|
||||
|
||||
public abstract Token execute(MacroExpander expander);
|
||||
|
||||
@Override
|
||||
public TokenList getTokens(MacroDefinitionParser mdp, LexerOptions lexOptions, MacroExpander expander) {
|
||||
TokenList result = new TokenList();
|
||||
result.append(execute(expander));
|
||||
return result;
|
||||
}
|
||||
|
||||
final protected void append(StringBuilder buffer, int value) {
|
||||
if (value < 10)
|
||||
buffer.append("0"); //$NON-NLS-1$
|
||||
buffer.append(value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public final boolean isDynamic() {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
final class DateMacro extends DynamicMacro {
|
||||
DateMacro(char[] name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Token execute(MacroExpander expander) {
|
||||
return new TokenWithImage(IToken.tSTRING, null, 0, 0, createDate());
|
||||
}
|
||||
|
||||
private char[] createDate() {
|
||||
char[] charArray;
|
||||
StringBuilder buffer = new StringBuilder("\""); //$NON-NLS-1$
|
||||
Calendar cal = Calendar.getInstance();
|
||||
DateFormatSymbols dfs = new DateFormatSymbols();
|
||||
buffer.append(dfs.getShortMonths()[cal.get(Calendar.MONTH)]);
|
||||
buffer.append(" "); //$NON-NLS-1$
|
||||
append(buffer, cal.get(Calendar.DAY_OF_MONTH));
|
||||
buffer.append(" "); //$NON-NLS-1$
|
||||
buffer.append(cal.get(Calendar.YEAR));
|
||||
buffer.append("\""); //$NON-NLS-1$
|
||||
charArray = buffer.toString().toCharArray();
|
||||
return charArray;
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansionImage() {
|
||||
return createDate();
|
||||
}
|
||||
}
|
||||
|
||||
final class FileMacro extends DynamicMacro {
|
||||
FileMacro(char[] name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Token execute(MacroExpander expander) {
|
||||
StringBuffer buffer = new StringBuffer("\""); //$NON-NLS-1$
|
||||
buffer.append(expander.getCurrentFilename().replace("\\", "\\\\")); //$NON-NLS-1$//$NON-NLS-2$
|
||||
buffer.append('\"');
|
||||
return new TokenWithImage(IToken.tSTRING, null, 0, 0, buffer.toString().toCharArray());
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansionImage() {
|
||||
return "\"file\"".toCharArray(); //$NON-NLS-1$
|
||||
}
|
||||
}
|
||||
|
||||
final class LineMacro extends DynamicMacro {
|
||||
LineMacro(char[] name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Token execute(MacroExpander expander) {
|
||||
int lineNumber = expander.getCurrentLineNumber();
|
||||
return new TokenWithImage(IToken.tINTEGER, null, 0, 0, Long.toString(lineNumber).toCharArray());
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansionImage() {
|
||||
return new char[] { '1' };
|
||||
}
|
||||
}
|
||||
|
||||
final class TimeMacro extends DynamicMacro {
|
||||
TimeMacro(char[] name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Token execute(MacroExpander expander) {
|
||||
return new TokenWithImage(IToken.tSTRING, null, 0, 0, createDate());
|
||||
}
|
||||
|
||||
private char[] createDate() {
|
||||
StringBuilder buffer = new StringBuilder("\""); //$NON-NLS-1$
|
||||
Calendar cal = Calendar.getInstance();
|
||||
append(buffer, cal.get(Calendar.HOUR_OF_DAY));
|
||||
buffer.append(":"); //$NON-NLS-1$
|
||||
append(buffer, cal.get(Calendar.MINUTE));
|
||||
buffer.append(":"); //$NON-NLS-1$
|
||||
append(buffer, cal.get(Calendar.SECOND));
|
||||
buffer.append("\""); //$NON-NLS-1$
|
||||
return buffer.toString().toCharArray();
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansionImage() {
|
||||
return createDate();
|
||||
}
|
||||
}
|
||||
|
||||
final class CounterMacro extends DynamicMacro {
|
||||
private static final char[] ZERO = { '0' };
|
||||
|
||||
private long fValue;
|
||||
|
||||
CounterMacro(char[] name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Token execute(MacroExpander expander) {
|
||||
return new TokenWithImage(IToken.tINTEGER, null, 0, 0, String.valueOf(fValue++).toCharArray());
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansionImage() {
|
||||
return ZERO;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,47 @@
|
|||
/*******************************************************************************
|
||||
* Copyright (c) 2007, 2020 Wind River Systems, Inc. and others.
|
||||
*
|
||||
* 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
|
||||
*
|
||||
* Contributors:
|
||||
* Markus Schorn - initial API and implementation
|
||||
* Alexander Fedorov (ArSysOp) - Bug 561992
|
||||
*******************************************************************************/
|
||||
package org.eclipse.cdt.internal.core.parser.scanner;
|
||||
|
||||
import java.util.Calendar;
|
||||
|
||||
import org.eclipse.cdt.core.parser.IToken;
|
||||
|
||||
public final class TimeMacro extends DynamicMacro {
|
||||
public TimeMacro(char[] name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Token execute(MacroExpander expander) {
|
||||
return new TokenWithImage(IToken.tSTRING, null, 0, 0, createDate());
|
||||
}
|
||||
|
||||
private char[] createDate() {
|
||||
StringBuilder buffer = new StringBuilder("\""); //$NON-NLS-1$
|
||||
Calendar cal = Calendar.getInstance();
|
||||
append(buffer, cal.get(Calendar.HOUR_OF_DAY));
|
||||
buffer.append(":"); //$NON-NLS-1$
|
||||
append(buffer, cal.get(Calendar.MINUTE));
|
||||
buffer.append(":"); //$NON-NLS-1$
|
||||
append(buffer, cal.get(Calendar.SECOND));
|
||||
buffer.append("\""); //$NON-NLS-1$
|
||||
return buffer.toString().toCharArray();
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansionImage() {
|
||||
return createDate();
|
||||
}
|
||||
}
|
|
@ -13,7 +13,7 @@
|
|||
*******************************************************************************/
|
||||
package org.eclipse.cdt.internal.core.parser.scanner;
|
||||
|
||||
class TokenList {
|
||||
public class TokenList {
|
||||
private Token fFirst;
|
||||
private Token fLast;
|
||||
|
||||
|
@ -125,7 +125,7 @@ class TokenList {
|
|||
}
|
||||
}
|
||||
|
||||
void cutAfter(Token l) {
|
||||
public void cutAfter(Token l) {
|
||||
if (l == null) {
|
||||
fFirst = null;
|
||||
fLast = null;
|
||||
|
|
|
@ -0,0 +1,43 @@
|
|||
/*******************************************************************************
|
||||
* Copyright (c) 2007, 2020 Wind River Systems, Inc. and others.
|
||||
*
|
||||
* 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
|
||||
*
|
||||
* Contributors:
|
||||
* Markus Schorn - initial API and implementation
|
||||
* Alexander Fedorov (ArSysOp) - Bug 561992
|
||||
*******************************************************************************/
|
||||
package org.eclipse.cdt.internal.core.parser.scanner;
|
||||
|
||||
import org.eclipse.cdt.internal.core.parser.scanner.Lexer.LexerOptions;
|
||||
|
||||
public final class UndefinedMacro extends PreprocessorMacro {
|
||||
public UndefinedMacro(char[] name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public TokenList getTokens(MacroDefinitionParser parser, LexerOptions lexOptions, MacroExpander expander) {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansion() {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public char[] getExpansionImage() {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isDynamic() {
|
||||
return false;
|
||||
}
|
||||
}
|
Loading…
Add table
Reference in a new issue