Revision 44622 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/DefaultExpression.java
| DefaultExpression.java | ||
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| 1 | 1 |
package org.gvsig.expressionevaluator.impl; |
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import java.lang.ref.Reference; |
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import java.lang.ref.WeakReference; |
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import java.util.Objects; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.Code; |
| ... | ... | |
| 35 | 37 |
private Interpreter interpreter; |
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private boolean hasNotBeenOptimized = true; |
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private SymbolTable mySymbolTable = null; |
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private WeakReference<SymbolTable> lastSymbolTable = null; |
|
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private boolean useBracketsForIdentifiers = false; |
| 39 | 42 |
|
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public DefaultExpression() {
|
| ... | ... | |
| 216 | 219 |
this.interpreter = manager.createInterpreter(); |
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} |
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boolean added = this.getSymbolTable().addSymbolTable(symbolTable); |
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if( this.lastSymbolTable==null ) {
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this.lastSymbolTable = new WeakReference<>(symbolTable); |
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} else if( this.lastSymbolTable.get()!=symbolTable ) {
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this.link(this.getSymbolTable()); |
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this.lastSymbolTable = new WeakReference<>(symbolTable); |
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this.hasNotBeenOptimized = true; |
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} |
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try {
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this.interpreter.setSymbolTable(this.mySymbolTable); |
| 221 | 231 |
if( this.hasNotBeenOptimized ) {
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Optimizer optimizer = new DefaultOptimizer(symbolTable); |
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this.code = optimizer.optimize(this.getCode()); |
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try {
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Optimizer optimizer = new DefaultOptimizer(this.getSymbolTable()); |
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this.code = optimizer.optimize(this.getCode()); |
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} catch(Throwable th) {
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// Si no es capaz de optimizar la expresion no, peta y la |
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// ejecuta tal cual. |
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} |
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this.hasNotBeenOptimized = false; |
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} |
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Object x = this.interpreter.run(this.getCode()); |
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