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OptionsBase.java
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128 lines (113 loc) · 3.23 KB
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package soot.options;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2003 Ondrej Lhotak
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import java.util.Deque;
import java.util.LinkedList;
import java.util.StringTokenizer;
import soot.Pack;
import soot.PackManager;
import soot.PhaseOptions;
import soot.Transform;
import soot.plugins.internal.PluginLoader;
/**
* Soot command-line options parser base class.
*
* @author Ondrej Lhotak
*/
abstract class OptionsBase {
private final Deque<String> options = new LinkedList<>();
protected LinkedList<String> classes = new LinkedList<String>();
private String pad(int initial, String opts, int tab, String desc) {
StringBuilder b = new StringBuilder();
for (int i = 0; i < initial; i++) {
b.append(' ');
}
b.append(opts);
int i;
if (tab <= opts.length()) {
b.append('\n');
i = 0;
} else {
i = opts.length() + initial;
}
for (; i <= tab; i++) {
b.append(' ');
}
for (StringTokenizer t = new StringTokenizer(desc); t.hasMoreTokens();) {
String s = t.nextToken();
if (i + s.length() > 78) {
b.append('\n');
i = 0;
for (; i <= tab; i++) {
b.append(' ');
}
}
b.append(s);
b.append(' ');
i += s.length() + 1;
}
b.append('\n');
return b.toString();
}
protected String padOpt(String opts, String desc) {
return pad(1, opts, 30, desc);
}
protected String padVal(String vals, String desc) {
return pad(4, vals, 32, desc);
}
protected String getPhaseUsage() {
StringBuilder b = new StringBuilder();
b.append("\nPhases and phase options:\n");
for (Pack p : PackManager.v().allPacks()) {
b.append(padOpt(p.getPhaseName(), p.getDeclaredOptions()));
for (Transform ph : p) {
b.append(padVal(ph.getPhaseName(), ph.getDeclaredOptions()));
}
}
return b.toString();
}
protected void pushOption(String option) {
options.push(option);
}
protected boolean hasMoreOptions() {
return !options.isEmpty();
}
protected String nextOption() {
return options.removeFirst();
}
public LinkedList<String> classes() {
return classes;
}
public boolean setPhaseOption(String phase, String option) {
return PhaseOptions.v().processPhaseOptions(phase, option);
}
/**
* Handles the value of a plugin parameter.
*
* @param file
* the plugin parameter value.
* @return {@code true} on success.
*/
protected boolean loadPluginConfiguration(String file) {
return PluginLoader.load(file);
}
}