Revision 44139 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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| 13 | 13 |
import org.gvsig.expressionevaluator.Code.Constant; |
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import org.gvsig.expressionevaluator.Code.Identifier; |
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import org.gvsig.expressionevaluator.Code.Caller; |
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import org.gvsig.expressionevaluator.Code.Caller.Arguments; |
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import org.gvsig.expressionevaluator.Code.Method; |
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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.impl.function.operator.BinaryOperator; |
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import org.gvsig.expressionevaluator.impl.function.obj.InvokeMethodFunction;
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import org.gvsig.expressionevaluator.impl.function.programming.CallMethodFunction;
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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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public class DefaultInterpreter implements Interpreter {
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|
| ... | ... | |
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@Override |
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public Object get(Object context, Object key) {
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Pair<Object, Long> v = this.data.get( Pair.of(context, key) ); |
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if( v == null ) {
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return null; |
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} |
|
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return v.getLeft(); |
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} |
| 39 | 43 |
|
| ... | ... | |
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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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} catch(ReturnException ex) {
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return ex.getValue(); |
|
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} catch(RuntimeException ex) {
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throw ex; |
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} catch(Exception ex) {
|
| ... | ... | |
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} |
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} |
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private Object runCode(Code code) throws Exception {
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public Object runCode(Code code) throws Exception {
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this.currentCode = code; |
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Object value = null; |
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switch( code.code() ) {
|
| ... | ... | |
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if( obj == null ) {
|
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throw new NullPointerException("An object pointer was expected to invoke method "+method.methodname()+" and a null was received");
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} |
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method.function(new InvokeMethodFunction(obj, method.methodname()));
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method.function(new CallMethodFunction(obj, method.methodname()));
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|
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} |
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} |
| 186 | 192 |
case Code.CALLER: |
| ... | ... | |
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} |
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caller.function(function); |
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} |
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Arguments args = caller.args();
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Codes args = caller.args();
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try {
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switch( caller.type() ) {
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| 199 | 205 |
case Caller.UNARY_OPERATOR: |
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if( args == null || args.count() != 1 ) {
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throw new ExpressionRuntimeException(code, I18N.Number_of_argument_mistmatch_in_operator_XIdentifierX_expected_1_got_XargcX(function.name(),args==null?0:args.count()));
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if( args == null || args.size() != 1 ) {
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throw new ExpressionRuntimeException(code, I18N.Number_of_argument_mistmatch_in_operator_XIdentifierX_expected_1_got_XargcX(function.name(),args==null?0:args.size()));
|
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} |
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value = ((UnaryOperator) function).call(this, runCode(args.get(0))); |
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break; |
| 205 | 211 |
|
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case Caller.BINARY_OPERATOR: |
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if( args == null || args.count() != 2 ) {
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throw new ExpressionRuntimeException(code, I18N.Number_of_argument_mistmatch_in_operator_XIdentifierX_expected_2_got_XargcX(function.name(),args==null?0:args.count()));
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if( args == null || args.size() != 2 ) {
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throw new ExpressionRuntimeException(code, I18N.Number_of_argument_mistmatch_in_operator_XIdentifierX_expected_2_got_XargcX(function.name(),args==null?0:args.size()));
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|
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} |
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value = ((BinaryOperator) function).call(this, runCode(args.get(0)), runCode(args.get(1))); |
| 211 | 217 |
break; |
| 212 | 218 |
|
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case Caller.FUNCTION: |
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int argc = (args == null) ? 0 : args.count();
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int argc = (args == null) ? 0 : args.size();
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if( !function.argc().contains(argc) ) {
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throw new ExpressionRuntimeException(code, I18N.Number_of_argument_mistmatch_in_function_XIdentifierX_expected_XexpectedX_got_XfoundX(function.name(),function.argc(),argc)); |
| 217 | 223 |
} |
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