package soot.JastAddJ; import java.util.HashSet; import java.util.LinkedHashSet; 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. * @ast node * @declaredat Literals.ast:46 */ public class FloatingPointLiteral extends Literal implements Cloneable { /** * @apilevel low-level */ public void flushCache() { super.flushCache(); isZero_computed = false; constant_computed = false; constant_value = null; type_computed = false; type_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.isZero_computed = false; node.constant_computed = false; node.constant_value = null; node.type_computed = false; node.type_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(); if(children != null) node.children = (ASTNode[])children.clone(); return node; } catch (CloneNotSupportedException e) { } System.err.println("Error: Could not clone node of type " + getClass().getName() + "!"); return null; } /** * @apilevel low-level */ @SuppressWarnings({"unchecked", "cast"}) public FloatingPointLiteral fullCopy() { FloatingPointLiteral res = (FloatingPointLiteral)copy(); for(int i = 0; i < getNumChildNoTransform(); i++) { ASTNode node = getChildNoTransform(i); if(node != null) node = node.fullCopy(); res.setChild(node, i); } return res; } /** * @ast method * @aspect PrettyPrint * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:280 */ public void toString(StringBuffer s) { s.append(getLITERAL()); s.append("F"); } /** * @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 * @declaredat Literals.ast:1 */ public FloatingPointLiteral() { super(); } /** * @ast method * @declaredat Literals.ast:7 */ public FloatingPointLiteral(String p0) { setLITERAL(p0); } /** * @ast method * @declaredat Literals.ast:10 */ public FloatingPointLiteral(beaver.Symbol p0) { setLITERAL(p0); } /** * @apilevel low-level * @ast method * @declaredat Literals.ast:16 */ protected int numChildren() { return 0; } /** * @apilevel internal * @ast method * @declaredat Literals.ast:22 */ public boolean mayHaveRewrite() { return false; } /** * Setter for lexeme LITERAL * @apilevel high-level * @ast method * @declaredat Literals.ast:5 */ public void setLITERAL(String value) { tokenString_LITERAL = value; } /** * @ast method * @declaredat Literals.ast:8 */ 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(); } /** * Getter for lexeme LITERAL * @apilevel high-level * @ast method * @declaredat Literals.ast:19 */ public String getLITERAL() { return tokenString_LITERAL != null ? tokenString_LITERAL : ""; } /** * @apilevel internal */ protected boolean isZero_computed = false; /** * @apilevel internal */ protected boolean isZero_value; /** * @attribute syn * @aspect ConstantExpression * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/ConstantExpression.jrag:135 */ @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() { String s = getLITERAL(); for(int i = 0; i < s.length(); i++) { char c = s.charAt(i); if(c == 'E' || c == 'e') break; if(Character.isDigit(c) && c != '0') { return false; } } return true; } /** * @apilevel internal */ protected boolean constant_computed = false; /** * @apilevel internal */ protected Constant constant_value; /** * @attribute syn * @aspect ConstantExpression * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/ConstantExpression.jrag:282 */ @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(getLITERAL())); } catch (NumberFormatException e) { Constant c = Constant.create(0.0f); c.error = true; return c; } } /** * @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 */ public ASTNode rewriteTo() { return super.rewriteTo(); } }