soot.JastAddJ.FloatingPointLiteral 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;
/**
* Java floating point literal. Can store any value representable as an
* IEEE 754 32-bit single-precision floating point number.
* @production FloatingPointLiteral : {@link NumericLiteral};
* @ast node
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/Literals.ast:60
*/
public class FloatingPointLiteral extends NumericLiteral implements Cloneable {
/**
* @apilevel low-level
*/
public void flushCache() {
super.flushCache();
type_computed = false;
type_value = null;
isZero_computed = false;
constant_computed = false;
constant_value = null;
}
/**
* @apilevel internal
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public FloatingPointLiteral clone() throws CloneNotSupportedException {
FloatingPointLiteral node = (FloatingPointLiteral)super.clone();
node.type_computed = false;
node.type_value = null;
node.isZero_computed = false;
node.constant_computed = false;
node.constant_value = null;
node.in$Circle(false);
node.is$Final(false);
return node;
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public FloatingPointLiteral copy() {
try {
FloatingPointLiteral node = (FloatingPointLiteral) 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 FloatingPointLiteral fullCopy() {
FloatingPointLiteral tree = (FloatingPointLiteral) 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 TypeCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeCheck.jrag:581
*/
public void typeCheck() {
if(!isZero() && constant().floatValue() == 0.0f)
error("It is an error for nonzero floating-point " + getLITERAL() + " to round to zero");
if(constant().floatValue() == Float.NEGATIVE_INFINITY || constant().floatValue() == Float.POSITIVE_INFINITY)
error("It is an error for floating-point " + getLITERAL() + " to round to an infinity");
}
/**
* @ast method
* @aspect Expressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Expressions.jrag:26
*/
public soot.Value eval(Body b) {
return soot.jimple.FloatConstant.v(constant().floatValue());
}
/**
* @ast method
*
*/
public FloatingPointLiteral() {
super();
}
/**
* Initializes the child array to the correct size.
* Initializes List and Opt nta children.
* @apilevel internal
* @ast method
* @ast method
*
*/
public void init$Children() {
}
/**
* @ast method
*
*/
public FloatingPointLiteral(String p0) {
setLITERAL(p0);
}
/**
* @ast method
*
*/
public FloatingPointLiteral(beaver.Symbol p0) {
setLITERAL(p0);
}
/**
* @apilevel low-level
* @ast method
*
*/
protected int numChildren() {
return 0;
}
/**
* @apilevel internal
* @ast method
*
*/
public boolean mayHaveRewrite() {
return true;
}
/**
* Replaces the lexeme LITERAL.
* @param value The new value for the lexeme LITERAL.
* @apilevel high-level
* @ast method
*
*/
public void setLITERAL(String value) {
tokenString_LITERAL = value;
}
/**
* JastAdd-internal setter for lexeme LITERAL using the Beaver parser.
* @apilevel internal
* @ast method
*
*/
public void setLITERAL(beaver.Symbol symbol) {
if(symbol.value != null && !(symbol.value instanceof String))
throw new UnsupportedOperationException("setLITERAL is only valid for String lexemes");
tokenString_LITERAL = (String)symbol.value;
LITERALstart = symbol.getStart();
LITERALend = symbol.getEnd();
}
/**
* Retrieves the value for the lexeme LITERAL.
* @return The value for the lexeme LITERAL.
* @apilevel high-level
* @ast method
*
*/
public String getLITERAL() {
return tokenString_LITERAL != null ? tokenString_LITERAL : "";
}
/**
* Defer pretty printing to superclass.
* @ast method
* @aspect Literals
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/Literals.jrag:105
*/
public void toString(StringBuffer s) {
super.toString(s);
}
/**
* @apilevel internal
*/
protected boolean type_computed = false;
/**
* @apilevel internal
*/
protected TypeDecl type_value;
/**
* @attribute syn
* @aspect TypeAnalysis
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeAnalysis.jrag:302
*/
@SuppressWarnings({"unchecked", "cast"})
public TypeDecl type() {
if(type_computed) {
return type_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
type_value = type_compute();
if(isFinal && num == state().boundariesCrossed) type_computed = true;
return type_value;
}
/**
* @apilevel internal
*/
private TypeDecl type_compute() { return typeFloat(); }
/**
* @apilevel internal
*/
protected boolean isZero_computed = false;
/**
* @apilevel internal
*/
protected boolean isZero_value;
/**
* @return true if this floating point literal is equivalent to a zero literal
* @attribute syn
* @aspect Literals
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/Literals.jrag:22
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean isZero() {
if(isZero_computed) {
return isZero_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
isZero_value = isZero_compute();
if(isFinal && num == state().boundariesCrossed) isZero_computed = true;
return isZero_value;
}
/**
* @apilevel internal
*/
private boolean isZero_compute() {
for(int i = 0; i < digits.length(); i++) {
char c = digits.charAt(i);
if (c == 'e' || c == 'p') break;
if (c != '0' && c != '.') {
return false;
}
}
return true;
}
/**
* @apilevel internal
*/
protected boolean constant_computed = false;
/**
* @apilevel internal
*/
protected Constant constant_value;
/**
* Parse this literal and return a fresh Constant.
* @return a fresh Constant representing this FloatingPointLiteral
* @attribute syn
* @aspect Literals
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/Literals.jrag:175
*/
@SuppressWarnings({"unchecked", "cast"})
public Constant constant() {
if(constant_computed) {
return constant_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
constant_value = constant_compute();
if(isFinal && num == state().boundariesCrossed) constant_computed = true;
return constant_value;
}
/**
* @apilevel internal
*/
private Constant constant_compute() {
try {
return Constant.create(Float.parseFloat(getDigits()));
}
catch (NumberFormatException e) {
Constant c = Constant.create(0.0f);
c.error = true;
return c;
}
}
/**
* Utility attribute for literal rewriting.
* Any of the NumericLiteral subclasses have already
* been rewritten and/or parsed, and should not be
* rewritten again.
*
* @return true if this literal is a "raw", not-yet-parsed NumericLiteral
* @attribute syn
* @aspect Literals
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/Literals.jrag:334
*/
public boolean needsRewrite() {
ASTNode$State state = state();
try { return false; }
finally {
}
}
/**
* @apilevel internal
*/
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}