soot.JastAddJ.IfStmt Maven / Gradle / Ivy
/* This file was generated with JastAdd2 (http://jastadd.org) version R20130212 (r1031) */
package soot.JastAddJ;
import java.util.HashSet;
import java.io.File;
import java.util.*;
import beaver.*;
import java.util.ArrayList;
import java.util.zip.*;
import java.io.*;
import java.io.FileNotFoundException;
import java.util.Collection;
import soot.*;
import soot.util.*;
import soot.jimple.*;
import soot.coffi.ClassFile;
import soot.coffi.method_info;
import soot.coffi.CONSTANT_Utf8_info;
import soot.tagkit.SourceFileTag;
import soot.coffi.CoffiMethodSource;
/**
* @production IfStmt : {@link Stmt} ::= Condition:{@link Expr} Then:{@link Stmt} [Else:{@link Stmt}];
* @ast node
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/java.ast:207
*/
public class IfStmt extends Stmt implements Cloneable {
/**
* @apilevel low-level
*/
public void flushCache() {
super.flushCache();
isDAafter_Variable_values = null;
isDUafter_Variable_values = null;
canCompleteNormally_computed = false;
else_branch_label_computed = false;
else_branch_label_value = null;
then_branch_label_computed = false;
then_branch_label_value = null;
}
/**
* @apilevel internal
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public IfStmt clone() throws CloneNotSupportedException {
IfStmt node = (IfStmt)super.clone();
node.isDAafter_Variable_values = null;
node.isDUafter_Variable_values = null;
node.canCompleteNormally_computed = false;
node.else_branch_label_computed = false;
node.else_branch_label_value = null;
node.then_branch_label_computed = false;
node.then_branch_label_value = null;
node.in$Circle(false);
node.is$Final(false);
return node;
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public IfStmt copy() {
try {
IfStmt node = (IfStmt) clone();
node.parent = null;
if(children != null)
node.children = (ASTNode[]) children.clone();
return node;
} catch (CloneNotSupportedException e) {
throw new Error("Error: clone not supported for " +
getClass().getName());
}
}
/**
* Create a deep copy of the AST subtree at this node.
* The copy is dangling, i.e. has no parent.
* @return dangling copy of the subtree at this node
* @apilevel low-level
*/
@SuppressWarnings({"unchecked", "cast"})
public IfStmt fullCopy() {
IfStmt tree = (IfStmt) copy();
if (children != null) {
for (int i = 0; i < children.length; ++i) {
ASTNode child = (ASTNode) children[i];
if(child != null) {
child = child.fullCopy();
tree.setChild(child, i);
}
}
}
return tree;
}
/**
* @ast method
* @aspect NodeConstructors
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/NodeConstructors.jrag:66
*/
public IfStmt(Expr cond, Stmt thenBranch) {
this(cond, thenBranch, new Opt());
}
/**
* @ast method
* @aspect NodeConstructors
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/NodeConstructors.jrag:70
*/
public IfStmt(Expr cond, Stmt thenBranch, Stmt elseBranch) {
this(cond, thenBranch, new Opt(elseBranch));
}
/**
* @ast method
* @aspect PrettyPrint
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:574
*/
public void toString(StringBuffer s) {
s.append(indent());
s.append("if(");
getCondition().toString(s);
s.append(") ");
getThen().toString(s);
if(hasElse()) {
s.append(indent());
s.append("else ");
getElse().toString(s);
}
}
/**
* @ast method
* @aspect TypeCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeCheck.jrag:316
*/
public void typeCheck() {
TypeDecl cond = getCondition().type();
if(!cond.isBoolean()) {
error("the type of \"" + getCondition() + "\" is " + cond.name() + " which is not boolean");
}
}
/**
* @ast method
* @aspect Statements
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Statements.jrag:115
*/
public void jimplify2(Body b) {
soot.jimple.Stmt endBranch = newLabel();
if(getCondition().isConstant()) {
if(getCondition().isTrue())
getThen().jimplify2(b);
else if(getCondition().isFalse() && hasElse())
getElse().jimplify2(b);
}
else {
soot.jimple.Stmt elseBranch = else_branch_label();
soot.jimple.Stmt thenBranch = then_branch_label();
getCondition().emitEvalBranch(b);
b.addLabel(thenBranch);
getThen().jimplify2(b);
if(getThen().canCompleteNormally() && hasElse()) {
b.setLine(this);
b.add(b.newGotoStmt(endBranch, this));
}
b.addLabel(elseBranch);
if(hasElse())
getElse().jimplify2(b);
}
if(getThen().canCompleteNormally() && hasElse())
b.addLabel(endBranch);
}
/**
* @ast method
*
*/
public IfStmt() {
super();
}
/**
* Initializes the child array to the correct size.
* Initializes List and Opt nta children.
* @apilevel internal
* @ast method
* @ast method
*
*/
public void init$Children() {
children = new ASTNode[3];
setChild(new Opt(), 2);
}
/**
* @ast method
*
*/
public IfStmt(Expr p0, Stmt p1, Opt p2) {
setChild(p0, 0);
setChild(p1, 1);
setChild(p2, 2);
}
/**
* @apilevel low-level
* @ast method
*
*/
protected int numChildren() {
return 3;
}
/**
* @apilevel internal
* @ast method
*
*/
public boolean mayHaveRewrite() {
return false;
}
/**
* Replaces the Condition child.
* @param node The new node to replace the Condition child.
* @apilevel high-level
* @ast method
*
*/
public void setCondition(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the Condition child.
* @return The current node used as the Condition child.
* @apilevel high-level
* @ast method
*
*/
public Expr getCondition() {
return (Expr)getChild(0);
}
/**
* Retrieves the Condition child.
* This method does not invoke AST transformations.
* @return The current node used as the Condition child.
* @apilevel low-level
* @ast method
*
*/
public Expr getConditionNoTransform() {
return (Expr)getChildNoTransform(0);
}
/**
* Replaces the Then child.
* @param node The new node to replace the Then child.
* @apilevel high-level
* @ast method
*
*/
public void setThen(Stmt node) {
setChild(node, 1);
}
/**
* Retrieves the Then child.
* @return The current node used as the Then child.
* @apilevel high-level
* @ast method
*
*/
public Stmt getThen() {
return (Stmt)getChild(1);
}
/**
* Retrieves the Then child.
* This method does not invoke AST transformations.
* @return The current node used as the Then child.
* @apilevel low-level
* @ast method
*
*/
public Stmt getThenNoTransform() {
return (Stmt)getChildNoTransform(1);
}
/**
* Replaces the optional node for the Else child. This is the {@code Opt} node containing the child Else, not the actual child!
* @param opt The new node to be used as the optional node for the Else child.
* @apilevel low-level
* @ast method
*
*/
public void setElseOpt(Opt opt) {
setChild(opt, 2);
}
/**
* Check whether the optional Else child exists.
* @return {@code true} if the optional Else child exists, {@code false} if it does not.
* @apilevel high-level
* @ast method
*
*/
public boolean hasElse() {
return getElseOpt().getNumChild() != 0;
}
/**
* Retrieves the (optional) Else child.
* @return The Else child, if it exists. Returns {@code null} otherwise.
* @apilevel low-level
* @ast method
*
*/
@SuppressWarnings({"unchecked", "cast"})
public Stmt getElse() {
return (Stmt)getElseOpt().getChild(0);
}
/**
* Replaces the (optional) Else child.
* @param node The new node to be used as the Else child.
* @apilevel high-level
* @ast method
*
*/
public void setElse(Stmt node) {
getElseOpt().setChild(node, 0);
}
/**
* @apilevel low-level
* @ast method
*
*/
@SuppressWarnings({"unchecked", "cast"})
public Opt getElseOpt() {
return (Opt)getChild(2);
}
/**
* Retrieves the optional node for child Else. This is the {@code Opt} node containing the child Else, not the actual child!
* This method does not invoke AST transformations.
* @return The optional node for child Else.
* @apilevel low-level
* @ast method
*
*/
@SuppressWarnings({"unchecked", "cast"})
public Opt getElseOptNoTransform() {
return (Opt)getChildNoTransform(2);
}
protected java.util.Map isDAafter_Variable_values;
/**
* @attribute syn
* @aspect DA
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:525
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean isDAafter(Variable v) {
Object _parameters = v;
if(isDAafter_Variable_values == null) isDAafter_Variable_values = new java.util.HashMap(4);
if(isDAafter_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDAafter_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDAafter_Variable_value = isDAafter_compute(v);
if(isFinal && num == state().boundariesCrossed) isDAafter_Variable_values.put(_parameters, Boolean.valueOf(isDAafter_Variable_value));
return isDAafter_Variable_value;
}
/**
* @apilevel internal
*/
private boolean isDAafter_compute(Variable v) { return hasElse() ? getThen().isDAafter(v) && getElse().isDAafter(v) : getThen().isDAafter(v) && getCondition().isDAafterFalse(v); }
protected java.util.Map isDUafter_Variable_values;
/**
* @attribute syn
* @aspect DU
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:994
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean isDUafter(Variable v) {
Object _parameters = v;
if(isDUafter_Variable_values == null) isDUafter_Variable_values = new java.util.HashMap(4);
if(isDUafter_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDUafter_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDUafter_Variable_value = isDUafter_compute(v);
if(isFinal && num == state().boundariesCrossed) isDUafter_Variable_values.put(_parameters, Boolean.valueOf(isDUafter_Variable_value));
return isDUafter_Variable_value;
}
/**
* @apilevel internal
*/
private boolean isDUafter_compute(Variable v) { return hasElse() ? getThen().isDUafter(v) && getElse().isDUafter(v) : getThen().isDUafter(v) && getCondition().isDUafterFalse(v); }
/**
* @apilevel internal
*/
protected boolean canCompleteNormally_computed = false;
/**
* @apilevel internal
*/
protected boolean canCompleteNormally_value;
/**
* @attribute syn
* @aspect UnreachableStatements
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/UnreachableStatements.jrag:141
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean canCompleteNormally() {
if(canCompleteNormally_computed) {
return canCompleteNormally_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
canCompleteNormally_value = canCompleteNormally_compute();
if(isFinal && num == state().boundariesCrossed) canCompleteNormally_computed = true;
return canCompleteNormally_value;
}
/**
* @apilevel internal
*/
private boolean canCompleteNormally_compute() { return (reachable() && !hasElse()) || (getThen().canCompleteNormally() ||
(hasElse() && getElse().canCompleteNormally())); }
/**
* @attribute syn
* @aspect BooleanExpressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:21
*/
public boolean definesLabel() {
ASTNode$State state = state();
try { return true; }
finally {
}
}
/**
* @apilevel internal
*/
protected boolean else_branch_label_computed = false;
/**
* @apilevel internal
*/
protected soot.jimple.Stmt else_branch_label_value;
/**
* @attribute syn
* @aspect Statements
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Statements.jrag:113
*/
@SuppressWarnings({"unchecked", "cast"})
public soot.jimple.Stmt else_branch_label() {
if(else_branch_label_computed) {
return else_branch_label_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
else_branch_label_value = else_branch_label_compute();
if(isFinal && num == state().boundariesCrossed) else_branch_label_computed = true;
return else_branch_label_value;
}
/**
* @apilevel internal
*/
private soot.jimple.Stmt else_branch_label_compute() { return newLabel(); }
/**
* @apilevel internal
*/
protected boolean then_branch_label_computed = false;
/**
* @apilevel internal
*/
protected soot.jimple.Stmt then_branch_label_value;
/**
* @attribute syn
* @aspect Statements
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Statements.jrag:114
*/
@SuppressWarnings({"unchecked", "cast"})
public soot.jimple.Stmt then_branch_label() {
if(then_branch_label_computed) {
return then_branch_label_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
then_branch_label_value = then_branch_label_compute();
if(isFinal && num == state().boundariesCrossed) then_branch_label_computed = true;
return then_branch_label_value;
}
/**
* @apilevel internal
*/
private soot.jimple.Stmt then_branch_label_compute() { return newLabel(); }
/**
* @attribute syn
* @aspect PreciseRethrow
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/PreciseRethrow.jrag:55
*/
public boolean modifiedInScope(Variable var) {
ASTNode$State state = state();
try {
if (getThen().modifiedInScope(var))
return true;
return hasElse() && getElse().modifiedInScope(var);
}
finally {
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:528
* @apilevel internal
*/
public boolean Define_boolean_isDAbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getElseOptNoTransform()) {
return getCondition().isDAafterFalse(v);
}
else if(caller == getThenNoTransform()) {
return getCondition().isDAafterTrue(v);
}
else if(caller == getConditionNoTransform()) {
return isDAbefore(v);
}
else { return getParent().Define_boolean_isDAbefore(this, caller, v);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:997
* @apilevel internal
*/
public boolean Define_boolean_isDUbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getElseOptNoTransform()) {
return getCondition().isDUafterFalse(v);
}
else if(caller == getThenNoTransform()) {
return getCondition().isDUafterTrue(v);
}
else if(caller == getConditionNoTransform()) {
return isDUbefore(v);
}
else { return getParent().Define_boolean_isDUbefore(this, caller, v);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/UnreachableStatements.jrag:144
* @apilevel internal
*/
public boolean Define_boolean_reachable(ASTNode caller, ASTNode child) {
if(caller == getElseOptNoTransform()) {
return reachable();
}
else if(caller == getThenNoTransform()) {
return reachable();
}
else { return getParent().Define_boolean_reachable(this, caller);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/UnreachableStatements.jrag:150
* @apilevel internal
*/
public boolean Define_boolean_reportUnreachable(ASTNode caller, ASTNode child) {
if(caller == getElseOptNoTransform()) {
return reachable();
}
else if(caller == getThenNoTransform()) {
return reachable();
}
else { return getParent().Define_boolean_reportUnreachable(this, caller);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:38
* @apilevel internal
*/
public soot.jimple.Stmt Define_soot_jimple_Stmt_condition_false_label(ASTNode caller, ASTNode child) {
if(caller == getConditionNoTransform()) {
return else_branch_label();
}
else { return getParent().Define_soot_jimple_Stmt_condition_false_label(this, caller);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:39
* @apilevel internal
*/
public soot.jimple.Stmt Define_soot_jimple_Stmt_condition_true_label(ASTNode caller, ASTNode child) {
if(caller == getConditionNoTransform()) {
return then_branch_label();
}
else { return getParent().Define_soot_jimple_Stmt_condition_true_label(this, caller);
}
}
/**
* @apilevel internal
*/
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}