/* Soot - a J*va Optimization Framework
* Copyright (C) 2003 Ondrej Lhotak
*
* This library 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 library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* THIS FILE IS AUTO-GENERATED FROM soot_options.xml. DO NOT MODIFY. */
package soot.options;
import java.util.*;
/** Option parser for Static Inliner. */
public class SIOptions
{
private Map options;
public SIOptions( Map options ) {
this.options = options;
}
/** Enabled --
* .
*
*/
public boolean enabled() {
return soot.PhaseOptions.getBoolean( options, "enabled" );
}
/** Reconstruct Jimple body after inlining --
* .
* When a method with array parameters is inlined, its variables
* may need to be assigned different types than they had in the
* original method to produce compilable code. When this option is
* set, Soot re-runs the Jimple Body pack on each method body which
* has had another method inlined into it so that the typing
* algorithm can reassign the types.
*/
public boolean rerun_jb() {
return soot.PhaseOptions.getBoolean( options, "rerun-jb" );
}
/** Insert Null Checks --
* .
* Insert, before the inlined body of the target method, a check
* that throws a NullPointerException if the receiver object is
* null. This ensures that inlining will not eliminate exceptions
* which would have occurred in its absence.
*/
public boolean insert_null_checks() {
return soot.PhaseOptions.getBoolean( options, "insert-null-checks" );
}
/** Insert Redundant Casts --
* .
* Insert extra casts for the Java bytecode verifier. The
* verifier may complain if the inlined method uses this and the
* declared type of the receiver of the call being inlined is
* different from the type implementing the target method being
* inlined. Say, for example, that Singer is an interface declaring
* the sing() method and that the call graph shows that all
* receiver objects at a particular call site, singer.sing() (with
* singer declared as a Singer) are in fact Bird objects (Bird
* being a class that implements Singer). The implementation of
* Bird.sing() may perform operations on this which are only
* allowed on Birds, rather than Singers. The Insert Redundant
* Casts option ensures that this cannot lead to verification
* errors, by inserting a cast of bird to the Bird type before
* inlining the body of Bird.sing().
*/
public boolean insert_redundant_casts() {
return soot.PhaseOptions.getBoolean( options, "insert-redundant-casts" );
}
/** Max Container Size --
* .
* Determines the maximum number of Jimple statements for a
* container method. If a method has more than this number of
* Jimple statements, then no methods will be inlined into it.
*
*/
public int max_container_size() {
return soot.PhaseOptions.getInt( options, "max-container-size" );
}
/** Max Inlinee Size --
* .
* Determines the maximum number of Jimple statements for an
* inlinee method. If a method has more than this number of Jimple
* statements, then it will not be inlined into other methods.
*
*/
public int max_inlinee_size() {
return soot.PhaseOptions.getInt( options, "max-inlinee-size" );
}
/** Expansion Factor --
* .
* Determines the maximum allowed expansion of a method. Inlining
* will cause the method to grow by a factor of no more than the
* Expansion Factor.
*/
public float expansion_factor() {
return soot.PhaseOptions.getFloat( options, "expansion-factor" );
}
public static final int allowed_modifier_changes_unsafe = 1;
public static final int allowed_modifier_changes_safe = 2;
public static final int allowed_modifier_changes_none = 3;
/** Allowed Modifier Changes --
* .
* Specify which changes in visibility modifiers are allowed.
*/
public int allowed_modifier_changes() {
String s = soot.PhaseOptions.getString( options, "allowed-modifier-changes" );
if( s.equalsIgnoreCase( "unsafe" ) )
return allowed_modifier_changes_unsafe;
if( s.equalsIgnoreCase( "safe" ) )
return allowed_modifier_changes_safe;
if( s.equalsIgnoreCase( "none" ) )
return allowed_modifier_changes_none;
throw new RuntimeException( "Invalid value "+s+" of phase option allowed-modifier-changes" );
}
}