Revision 44389 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/DefaultInterpreter.java
| DefaultInterpreter.java | ||
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package org.gvsig.expressionevaluator.impl; |
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import java.io.OutputStreamWriter; |
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import java.io.Writer; |
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import java.util.ArrayList; |
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import java.util.Comparator; |
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import java.util.Date; |
| ... | ... | |
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import org.gvsig.expressionevaluator.Codes; |
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import org.gvsig.expressionevaluator.ExpressionRuntimeException; |
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import org.gvsig.expressionevaluator.Function; |
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import org.gvsig.expressionevaluator.MutableSymbolTable; |
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import org.gvsig.expressionevaluator.impl.DefaultCodeBuilder.RecursionControlSupport; |
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import org.gvsig.expressionevaluator.impl.function.operator.BinaryOperator; |
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import org.gvsig.expressionevaluator.impl.function.operator.UnaryOperator; |
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import org.gvsig.expressionevaluator.impl.function.programming.ReturnFunction.ReturnException; |
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import org.gvsig.expressionevaluator.spi.AbstractSymbolTable; |
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import org.gvsig.tools.resourcesstorage.ResourcesStorage; |
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public class DefaultInterpreter implements Interpreter {
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|
| ... | ... | |
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private Cache cache; |
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private int maxRecursionLimit; |
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private boolean sqlCompatible = false; |
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private Writer writer ; |
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private ResourcesStorage resourcesStorage; |
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public DefaultInterpreter() {
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this.cache = new DefaultCache(); |
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this.maxRecursionLimit = DEFAULT_MAX_RECURSION_LIMIT; |
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this.writer = new OutputStreamWriter(System.out); |
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this.resourcesStorage = ResourcesStorage.EMPTY_RESOURCESSTORAGE; |
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} |
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@Override |
| ... | ... | |
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} |
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return other; |
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} |
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@Override |
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public ResourcesStorage getResourcesStorage() {
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return resourcesStorage; |
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} |
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@Override |
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public void setResourcesStorage(ResourcesStorage resourcesStorage) {
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if( resourcesStorage==null ) {
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this.resourcesStorage = ResourcesStorage.EMPTY_RESOURCESSTORAGE; |
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} else {
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this.resourcesStorage = resourcesStorage; |
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} |
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} |
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@Override |
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public Writer getWriter() {
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return this.writer; |
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} |
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@Override |
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public void setWriter(Writer writer) {
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if( writer == null ) {
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writer = new OutputStreamWriter(System.out); |
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} |
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this.writer = writer; |
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} |
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@Override |
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public Object call(SymbolTable symbolTable, String funcname, Object... args) throws Exception {
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SymbolTable savedSymbolTable = this.symbolTable; |
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try {
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symbolTable.addSymbolTable(this.symbolTable); |
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this.symbolTable = symbolTable; |
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return this.call(funcname, args); |
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} finally {
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this.symbolTable = savedSymbolTable; |
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symbolTable.removeSymbolTable(this.symbolTable); |
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} |
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} |
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@Override |
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public Object call(String function, Object... args) throws Exception {
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Function fn = this.symbolTable.function(function); |
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Object value = fn.call(this, args); |
| ... | ... | |
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@Override |
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public boolean hasFunction(String function) {
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Function fn = this.symbolTable.function(function);
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Function fn = this.getSymbolTable().function(function);
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if( fn == null ) {
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return false; |
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} |
| ... | ... | |
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} |
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@Override |
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public void run(MutableSymbolTable symbolTable, Code code) {
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SymbolTable savedSymbolTable = this.symbolTable; |
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try {
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symbolTable.addSymbolTable(this.symbolTable); |
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this.symbolTable = symbolTable; |
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this.run(code); |
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} finally {
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this.symbolTable = savedSymbolTable; |
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symbolTable.removeSymbolTable(this.symbolTable); |
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} |
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} |
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@Override |
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public Object run(Code code) {
|
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try {
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return this.runCode(code); |
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