X-Git-Url: http://git.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/DoubleLiteral.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/DoubleLiteral.java index 7095049..6cb5a24 100644 --- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/DoubleLiteral.java +++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/DoubleLiteral.java @@ -15,58 +15,81 @@ import net.sourceforge.phpdt.internal.compiler.impl.Constant; import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope; import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding; - public class DoubleLiteral extends NumberLiteral { double value; -public DoubleLiteral(char[] token, int s, int e) { - super(token, s,e); -} -public void computeConstant() { - //the source is correctly formated so the exception should never occurs + public DoubleLiteral(char[] token, int s, int e) { + super(token, s, e); + } - Double computedValue; - try { computedValue = Double.valueOf(String.valueOf(source));} - catch(NumberFormatException e){return ;} //how can it happen ???? + public void computeConstant() { - if (computedValue.doubleValue() > Double.MAX_VALUE) return ; //may be Infinity - if (computedValue.doubleValue() < Double.MIN_VALUE) - { //only a true 0 can be made of zeros - //2.00000000000000000e-324 is illegal .... - label : - for (int i=0;i> 4) == T_double) -// codeStream.generateInlinedValue(value); -// else -// codeStream.generateConstant(constant, implicitConversion); -// codeStream.recordPositionsFrom(pc, this.sourceStart); -//} -public TypeBinding literalType(BlockScope scope) { - return DoubleBinding; -} -public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope blockScope) { - visitor.visit(this, blockScope); - visitor.endVisit(this, blockScope); -} + Double computedValue; + try { + computedValue = Double.valueOf(String.valueOf(source)); + } catch (NumberFormatException e) { + return; + } // how can it happen ???? + + if (computedValue.doubleValue() > Double.MAX_VALUE) + return; // may be Infinity + if (computedValue.doubleValue() < Double.MIN_VALUE) { // only a true 0 + // can be made + // of zeros + // 2.00000000000000000e-324 is illegal .... + label: for (int i = 0; i < source.length; i++) { // it is welled + // formated so + // just test + // against '0' + // and potential + // . D d + switch (source[i]) { + case '0': + case '.': + case 'd': + case 'D': + break; + case 'e': + case 'E': + break label; // exposant are valid....! + default: + return; + } + } + } // error + + constant = Constant.fromValue(value = computedValue.doubleValue()); + } + + /** + * Code generation for the double literak + * + * @param currentScope + * net.sourceforge.phpdt.internal.compiler.lookup.BlockScope + * @param codeStream + * net.sourceforge.phpdt.internal.compiler.codegen.CodeStream + * @param valueRequired + * boolean + */ + // public void generateCode(BlockScope currentScope, CodeStream codeStream, + // boolean valueRequired) { + // int pc = codeStream.position; + // if (valueRequired) + // if ((implicitConversion >> 4) == T_double) + // codeStream.generateInlinedValue(value); + // else + // codeStream.generateConstant(constant, implicitConversion); + // codeStream.recordPositionsFrom(pc, this.sourceStart); + // } + public TypeBinding literalType(BlockScope scope) { + return DoubleBinding; + } + + public void traverse(IAbstractSyntaxTreeVisitor visitor, + BlockScope blockScope) { + visitor.visit(this, blockScope); + visitor.endVisit(this, blockScope); + } }