Revision 46082
| trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.api/src/main/java/org/gvsig/expressionevaluator/ExpressionBuilder.java | ||
|---|---|---|
| 125 | 125 |
public static final String FUNCTION_DICT = "DICT"; |
| 126 | 126 |
public static final String FUNCTION_$CONSTANT = "$CONSTANT"; |
| 127 | 127 |
public static final String FUNCTION_$IDENTIFIER = "$IDENTIFIER"; |
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public static final String FUNCTION_$EVAL = "$EVAL";
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public static final String FUNCTION_$HOSTEXPRESSION = "$HOSTEXPRESSION";
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| 129 | 129 |
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| 130 | 130 |
public static final String FUNCTION_GETATTR = "GETATTR"; |
| 131 | 131 |
public static final String FUNCTION_GETITEM = "GETITEM"; |
| trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.api/src/main/java/org/gvsig/expressionevaluator/CodeBuilder.java | ||
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| 80 | 80 |
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| 81 | 81 |
Code let(String identifier, Code value); |
| 82 | 82 |
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Code $eval(Code value);
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Code $HostExpression(Code value, String mode_specier);
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| 84 | 84 |
} |
| trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/test/java/org/gvsig/expresionevaluator/impl/TestCompiler.java | ||
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| 582 | 582 |
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| 583 | 583 |
Code code = compiler.compileExpression(source); |
| 584 | 584 |
code.link(this.createSymbolTable()); |
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assertEquals( "($EVAL(\"a\") + \"b\")", code.toString());
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assertEquals( "($HOSTEXPRESSION(\"a\", 'IN') + \"b\")", code.toString());
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| 586 | 586 |
} |
| 587 | 587 |
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| 588 | 588 |
public void testColon2() {
|
| ... | ... | |
| 592 | 592 |
|
| 593 | 593 |
Code code = compiler.compileExpression(source); |
| 594 | 594 |
code.link(this.createSymbolTable()); |
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assertEquals( "($EVAL((\"a\" + \"b\")) + \"c\")", code.toString());
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assertEquals( "($HOSTEXPRESSION((\"a\" + \"b\"), 'IN') + \"c\")", code.toString());
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| 596 | 596 |
} |
| 597 | 597 |
|
| 598 | 598 |
|
| ... | ... | |
| 603 | 603 |
|
| 604 | 604 |
Code code = compiler.compileExpression(source); |
| 605 | 605 |
code.link(this.createSymbolTable()); |
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assertEquals( "GETATTR($EVAL(\"a\"), 'c')", code.toString());
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assertEquals( "GETATTR($HOSTEXPRESSION(\"a\", 'IN'), 'c')", code.toString());
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| 607 | 607 |
} |
| 608 | 608 |
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| 609 | 609 |
public void testColon4() {
|
| ... | ... | |
| 613 | 613 |
|
| 614 | 614 |
Code code = compiler.compileExpression(source); |
| 615 | 615 |
code.link(this.createSymbolTable()); |
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assertEquals( "GETATTR($EVAL(\"a\"), 'c')", code.toString());
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assertEquals( "GETATTR($HOSTEXPRESSION(\"a\", 'IN'), 'c')", code.toString());
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| 617 | 617 |
} |
| 618 | 618 |
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| 619 |
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| 620 |
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| 621 | 619 |
} |
| 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/DefaultCompiler.java | ||
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| 568 | 568 |
// Solo estamos dando soporte al especificador de modo "IN". |
| 569 | 569 |
lexer.next(); |
| 570 | 570 |
token = lexer.look(); |
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String mode_specifier = "IN"; |
|
| 571 | 572 |
if( token.getType() == Token.IDENTIFIER ) {
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| 572 | 573 |
switch(token.getLiteral().trim().toUpperCase()) {
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| 573 | 574 |
case "IN": |
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lexer.next(); |
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mode_specifier = "IN"; |
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| 575 | 577 |
break; |
| 576 | 578 |
case "OUT": |
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lexer.next(); |
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mode_specifier = "OUT"; |
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break; |
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case "INOUT": |
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// Invalid mode specifier in host expression |
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throw new ExpressionSyntaxException( |
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I18N.invalid_mode_specifier_in_host_expression(), |
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lexer |
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); |
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lexer.next(); |
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mode_specifier = "INOUT"; |
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break; |
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| 583 | 586 |
} |
| 584 | 587 |
} |
| 585 | 588 |
Code op = parse_termino(); |
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return codeBuilder.$eval(op);
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return codeBuilder.$HostExpression(op, mode_specifier);
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| 587 | 590 |
} |
| 588 | 591 |
return parse_termino(); |
| 589 | 592 |
} |
| 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/DefaultCodeBuilder.java | ||
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| 989 | 989 |
} |
| 990 | 990 |
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@Override |
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public Code $eval(Code obj) {
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public Code $HostExpression(Code obj, String mode_specifier) {
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BaseCodes args = args(); |
| 994 | 994 |
args.add(obj); |
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return function(ExpressionBuilder.FUNCTION_$EVAL, args); |
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args.add(constant(mode_specifier)); |
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return function(ExpressionBuilder.FUNCTION_$HOSTEXPRESSION, args); |
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} |
| 997 | 998 |
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| 998 | 999 |
} |
| trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/symboltable/ProgrammingSymbolTable.java | ||
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| 2 | 2 |
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| 3 | 3 |
import org.gvsig.expressionevaluator.Function; |
| 4 | 4 |
import org.gvsig.expressionevaluator.impl.function.programming.$ConstantFunction; |
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import org.gvsig.expressionevaluator.impl.function.programming.$EvalFunction;
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import org.gvsig.expressionevaluator.impl.function.programming.$HostExpressionFunction;
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| 6 | 6 |
import org.gvsig.expressionevaluator.impl.function.programming.$IdentifierFunction; |
| 7 | 7 |
import org.gvsig.expressionevaluator.impl.function.programming.CallFunction; |
| 8 | 8 |
import org.gvsig.expressionevaluator.impl.function.programming.CallMethodFunction; |
| ... | ... | |
| 92 | 92 |
this.addFunction(new ShowWindowFunction()); |
| 93 | 93 |
this.addFunction(new CreateHtmlPanelFunction()); |
| 94 | 94 |
this.addFunction(new SwingBlockFunction()); |
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this.addFunction(new $EvalFunction());
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this.addFunction(new $HostExpressionFunction());
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| 96 | 96 |
} |
| 97 | 97 |
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private void addOperator(Function operator) {
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| trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/function/programming/$EvalFunction.java | ||
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package org.gvsig.expressionevaluator.impl.function.programming; |
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import org.apache.commons.lang3.Range; |
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import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_$EVAL; |
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import org.gvsig.expressionevaluator.Function; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.spi.AbstractFunction; |
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public class $EvalFunction extends AbstractFunction {
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public $EvalFunction() {
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super(Function.GROUP_PROGRAMMING, |
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FUNCTION_$EVAL, |
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Range.is(1), |
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"Returns the value passed as a parameter.\n", |
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FUNCTION_$EVAL+"({{expression}})",
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null, |
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"Object", |
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false |
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); |
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} |
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@Override |
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public boolean allowConstantFolding() {
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return false; |
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} |
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@Override |
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public Object call(Interpreter interpreter, final Object[] args) throws Exception {
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return args[0]; |
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} |
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|
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} |
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| trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/function/programming/$HostExpressionFunction.java | ||
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package org.gvsig.expressionevaluator.impl.function.programming; |
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import org.apache.commons.lang3.Range; |
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import org.gvsig.expressionevaluator.Function; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.spi.AbstractFunction; |
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import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_$HOSTEXPRESSION; |
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public class $HostExpressionFunction extends AbstractFunction {
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// https://docs.oracle.com/cd/A87860_01/doc/java.817/a83723/blangfe3.htm |
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// Esta funcion esta pensada para dar soporte a la funcionadad de "Host expressions" de SQLJ |
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public $HostExpressionFunction() {
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super(Function.GROUP_PROGRAMMING, |
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FUNCTION_$HOSTEXPRESSION, |
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Range.is(2), |
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"Returns the value passed as a parameter.\n", |
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FUNCTION_$HOSTEXPRESSION+"({{expression}},mode_specifier)",
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null, |
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"Object", |
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false |
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); |
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} |
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@Override |
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public boolean allowConstantFolding() {
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return false; |
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} |
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@Override |
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public Object call(Interpreter interpreter, final Object[] args) throws Exception {
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return args[0]; |
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} |
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} |
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