Java Code Examples for org.eclipse.xtext.xbase.XIfExpression#getThen()
The following examples show how to use
org.eclipse.xtext.xbase.XIfExpression#getThen() .
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Example 1
| Source File: ExpressionScopeTest.java From xtext-extras with Eclipse Public License 2.0 | 5 votes |
|
@Test
public void testReassignedType_01() throws Exception {
XIfExpression ifExpr = (XIfExpression) IterableExtensions
.last(((XBlockExpression) expression("{ var it = new Object() if (it instanceof String) {} }", false)).getExpressions());
XBlockExpression block = (XBlockExpression) ifExpr.getThen();
IExpressionScope expressionScope = batchTypeResolver.resolveTypes(block).getExpressionScope(block, IExpressionScope.Anchor.BEFORE);
contains(expressionScope, "charAt");
contains(expressionScope, "it");
contains(expressionScope, "operator_lessThan");
}
Example 2
| Source File: ExpressionScopeTest.java From xtext-extras with Eclipse Public License 2.0 | 5 votes |
|
@Test
public void testReassignedType_02() throws Exception {
XIfExpression ifExpr = (XIfExpression) IterableExtensions
.last(((XBlockExpression) expression("{ var it = new Object() if (it instanceof String) { it = new Object() } }", false))
.getExpressions());
XBlockExpression block = (XBlockExpression) ifExpr.getThen();
IExpressionScope expressionScope = batchTypeResolver.resolveTypes(block).getExpressionScope(block, IExpressionScope.Anchor.BEFORE);
contains(expressionScope, "charAt");
contains(expressionScope, "it");
contains(expressionScope, "operator_lessThan");
}
Example 3
| Source File: ExpressionScopeTest.java From xtext-extras with Eclipse Public License 2.0 | 5 votes |
|
@Test
public void testReassignedType_03() throws Exception {
XIfExpression ifExpr = (XIfExpression) IterableExtensions
.last(((XBlockExpression) expression("{ var it = new Object() if (it instanceof String) { it = new Object() } }", false))
.getExpressions());
XBlockExpression block = (XBlockExpression) ifExpr.getThen();
XExpression assignment = Iterables.getFirst(block.getExpressions(), null);
IExpressionScope expressionScope = batchTypeResolver.resolveTypes(assignment).getExpressionScope(assignment,
IExpressionScope.Anchor.AFTER);
containsNot(expressionScope, "charAt");
contains(expressionScope, "it");
containsNot(expressionScope, "operator_lessThan");
}
Example 4
| Source File: XbaseParserTest.java From xtext-extras with Eclipse Public License 2.0 | 5 votes |
|
@Test public void testIf_3() throws Exception {
XIfExpression ie = (XIfExpression) expression("if (foo) bar else if (baz) if (apa) bpa else cpa");
XIfExpression nestedIf = (XIfExpression) ie.getElse();
XIfExpression secondNested = (XIfExpression) nestedIf.getThen();
XFeatureCall cpa = (XFeatureCall) secondNested.getElse();
assertEquals("cpa",cpa.getConcreteSyntaxFeatureName());
}
Example 5
| Source File: PyExpressionGenerator.java From sarl with Apache License 2.0 | 5 votes |
|
/** Generate the given object.
*
* @param ifStatement the if-then-else statement.
* @param it the target for the generated content.
* @param context the context.
* @return the statement.
*/
protected XExpression _generate(XIfExpression ifStatement, IAppendable it, IExtraLanguageGeneratorContext context) {
it.append("if "); //$NON-NLS-1$
generate(ifStatement.getIf(), it, context);
it.append(":"); //$NON-NLS-1$
it.increaseIndentation().newLine();
if (ifStatement.getThen() != null) {
generate(ifStatement.getThen(), context.getExpectedExpressionType(), it, context);
} else if (context.getExpectedExpressionType() == null) {
it.append("pass"); //$NON-NLS-1$
} else {
it.append("return ").append(toDefaultValue(context.getExpectedExpressionType().toJavaCompliantTypeReference())); //$NON-NLS-1$
}
it.decreaseIndentation();
if (ifStatement.getElse() != null) {
it.newLine().append("else:"); //$NON-NLS-1$
it.increaseIndentation().newLine();
generate(ifStatement.getElse(), context.getExpectedExpressionType(), it, context);
it.decreaseIndentation();
} else if (context.getExpectedExpressionType() != null) {
it.newLine().append("else:"); //$NON-NLS-1$
it.increaseIndentation().newLine();
it.append("return ").append(toDefaultValue(context.getExpectedExpressionType().toJavaCompliantTypeReference())); //$NON-NLS-1$
it.decreaseIndentation();
}
return ifStatement;
}
Example 6
| Source File: XbaseCompiler.java From xtext-extras with Eclipse Public License 2.0 | 4 votes |
|
@Override
protected boolean isVariableDeclarationRequired(XExpression expr, ITreeAppendable b, boolean recursive) {
if (expr instanceof XAnnotation) {
return false;
}
if (expr instanceof XListLiteral) {
return false;
}
if (expr instanceof XSetLiteral) {
return false;
}
if (expr instanceof XCastedExpression) {
return false;
}
if (expr instanceof XInstanceOfExpression) {
return false;
}
if (expr instanceof XMemberFeatureCall && isVariableDeclarationRequired((XMemberFeatureCall) expr, b))
return true;
EObject container = expr.eContainer();
if ((container instanceof XVariableDeclaration)
|| (container instanceof XReturnExpression)
|| (container instanceof XThrowExpression)) {
return false;
}
if (container instanceof XIfExpression) {
XIfExpression ifExpression = (XIfExpression) container;
if (ifExpression.getThen() == expr || ifExpression.getElse() == expr) {
return false;
}
}
if (container instanceof XCasePart) {
XCasePart casePart = (XCasePart) container;
if (casePart.getThen() == expr) {
return false;
}
}
if (container instanceof XSwitchExpression) {
XSwitchExpression switchExpression = (XSwitchExpression) container;
if (switchExpression.getDefault() == expr) {
return false;
}
}
if (container instanceof XBlockExpression) {
List<XExpression> siblings = ((XBlockExpression) container).getExpressions();
if (siblings.get(siblings.size() - 1) == expr) {
return isVariableDeclarationRequired(getFeatureCall(expr), expr, b);
}
}
if (container instanceof XClosure) {
if (((XClosure) container).getExpression() == expr) {
return false;
}
}
if (expr instanceof XAssignment) {
XAssignment a = (XAssignment) expr;
for (XExpression arg : getActualArguments(a)) {
if (isVariableDeclarationRequired(arg, b, recursive)) {
return true;
}
}
}
return super.isVariableDeclarationRequired(expr, b, recursive);
}
Example 7
| Source File: XbaseShufflingInjectorProvider.java From xtext-extras with Eclipse Public License 2.0 | 4 votes |
|
@Override
protected XExpression getElse(XIfExpression ifExpression) {
if (ifExpression.getElse() != null)
return ifExpression.getThen();
return super.getElse(ifExpression);
}
Example 8
| Source File: XtendHoverSignatureProviderTest.java From xtext-xtend with Eclipse Public License 2.0 | 4 votes |
|
@Test
public void testAutcastExpressions() {
try {
StringConcatenation _builder = new StringConcatenation();
_builder.append("package testPackage");
_builder.newLine();
_builder.append("class Foo {");
_builder.newLine();
_builder.append("\t");
_builder.append("def foo() {");
_builder.newLine();
_builder.append("\t\t");
_builder.append("val CharSequence c = \"\"");
_builder.newLine();
_builder.append("\t\t");
_builder.append("if (c instanceof String) {");
_builder.newLine();
_builder.append("\t\t\t");
_builder.append("c.substring(1, 1)");
_builder.newLine();
_builder.append("\t\t");
_builder.append("}");
_builder.newLine();
_builder.append("\t\t");
_builder.append("switch(c){");
_builder.newLine();
_builder.append("\t\t\t");
_builder.append("String : c.length");
_builder.newLine();
_builder.append("\t\t");
_builder.append("}");
_builder.newLine();
_builder.append("\t");
_builder.append("}");
_builder.newLine();
_builder.append("}");
_builder.newLine();
final XtendFile xtendFile = this.parseHelper.parse(_builder, this.getResourceSet());
XtendTypeDeclaration _head = IterableExtensions.<XtendTypeDeclaration>head(xtendFile.getXtendTypes());
XtendMember _head_1 = IterableExtensions.<XtendMember>head(((XtendClass) _head).getMembers());
final XtendFunction func = ((XtendFunction) _head_1);
XExpression _expression = func.getExpression();
final XBlockExpression block = ((XBlockExpression) _expression);
final XExpression dec = IterableExtensions.<XExpression>head(block.getExpressions());
Assert.assertEquals("CharSequence c", this.signatureProvider.getSignature(dec));
XExpression _get = block.getExpressions().get(1);
final XIfExpression ifexpr = ((XIfExpression) _get);
final XExpression then = ifexpr.getThen();
XExpression _head_2 = IterableExtensions.<XExpression>head(((XBlockExpression) then).getExpressions());
final XExpression target = ((XMemberFeatureCall) _head_2).getMemberCallTarget();
Assert.assertEquals("String c", this.signatureProvider.getSignature(target));
XExpression _get_1 = block.getExpressions().get(2);
final XSwitchExpression switchExpr = ((XSwitchExpression) _get_1);
XExpression _then = IterableExtensions.<XCasePart>head(switchExpr.getCases()).getThen();
final XExpression expr = ((XMemberFeatureCall) _then).getMemberCallTarget();
Assert.assertEquals("String c", this.signatureProvider.getSignature(expr));
} catch (Throwable _e) {
throw Exceptions.sneakyThrow(_e);
}
}
Example 9
| Source File: XtendHoverSignatureProviderTest.java From xtext-xtend with Eclipse Public License 2.0 | 4 votes |
|
@Test
public void testAutcastExpressions_2() {
try {
StringConcatenation _builder = new StringConcatenation();
_builder.append("package testPackage");
_builder.newLine();
_builder.append("class Foo {");
_builder.newLine();
_builder.append("\t");
_builder.append("CharSequence c = \"\"");
_builder.newLine();
_builder.append("\t");
_builder.append("def foo() {");
_builder.newLine();
_builder.append("\t\t");
_builder.append("if (c instanceof String) {");
_builder.newLine();
_builder.append("\t\t\t");
_builder.append("c.substring(1, 1)");
_builder.newLine();
_builder.append("\t\t");
_builder.append("}");
_builder.newLine();
_builder.append("\t\t");
_builder.append("switch(c){");
_builder.newLine();
_builder.append("\t\t\t");
_builder.append("String : c.length");
_builder.newLine();
_builder.append("\t\t");
_builder.append("}");
_builder.newLine();
_builder.append("\t");
_builder.append("}");
_builder.newLine();
_builder.append("}");
_builder.newLine();
final XtendFile xtendFile = this.parseHelper.parse(_builder, this.getResourceSet());
XtendTypeDeclaration _head = IterableExtensions.<XtendTypeDeclaration>head(xtendFile.getXtendTypes());
Assert.assertEquals("CharSequence c", this.signatureProvider.getSignature(IterableExtensions.<XtendMember>head(((XtendClass) _head).getMembers())));
XtendTypeDeclaration _head_1 = IterableExtensions.<XtendTypeDeclaration>head(xtendFile.getXtendTypes());
XtendMember _get = ((XtendClass) _head_1).getMembers().get(1);
final XtendFunction func = ((XtendFunction) _get);
XExpression _expression = func.getExpression();
final XBlockExpression block = ((XBlockExpression) _expression);
XExpression _head_2 = IterableExtensions.<XExpression>head(block.getExpressions());
final XIfExpression ifexpr = ((XIfExpression) _head_2);
final XExpression then = ifexpr.getThen();
XExpression _head_3 = IterableExtensions.<XExpression>head(((XBlockExpression) then).getExpressions());
final XExpression target = ((XMemberFeatureCall) _head_3).getMemberCallTarget();
Assert.assertEquals("String Foo.c", this.signatureProvider.getSignature(target));
XExpression _get_1 = block.getExpressions().get(1);
final XSwitchExpression switchExpr = ((XSwitchExpression) _get_1);
XExpression _then = IterableExtensions.<XCasePart>head(switchExpr.getCases()).getThen();
final XExpression expr = ((XMemberFeatureCall) _then).getMemberCallTarget();
Assert.assertEquals("String Foo.c", this.signatureProvider.getSignature(expr));
} catch (Throwable _e) {
throw Exceptions.sneakyThrow(_e);
}
}
Example 10
| Source File: XtendHoverSignatureProviderTest.java From xtext-xtend with Eclipse Public License 2.0 | 4 votes |
|
@Test
public void testAutcastExpressions_3() {
try {
StringConcatenation _builder = new StringConcatenation();
_builder.append("package testPackage");
_builder.newLine();
_builder.append("class Foo {");
_builder.newLine();
_builder.append("\t");
_builder.append("def foo(CharSequence c) {");
_builder.newLine();
_builder.append("\t\t");
_builder.append("if (c instanceof String) {");
_builder.newLine();
_builder.append("\t\t\t");
_builder.append("c.substring(1, 1)");
_builder.newLine();
_builder.append("\t\t");
_builder.append("}");
_builder.newLine();
_builder.append("\t\t");
_builder.append("switch(c){");
_builder.newLine();
_builder.append("\t\t\t");
_builder.append("String : c.length");
_builder.newLine();
_builder.append("\t\t");
_builder.append("}");
_builder.newLine();
_builder.append("\t");
_builder.append("}");
_builder.newLine();
_builder.append("}");
_builder.newLine();
final XtendFile xtendFile = this.parseHelper.parse(_builder, this.getResourceSet());
XtendTypeDeclaration _head = IterableExtensions.<XtendTypeDeclaration>head(xtendFile.getXtendTypes());
XtendMember _head_1 = IterableExtensions.<XtendMember>head(((XtendClass) _head).getMembers());
final XtendFunction func = ((XtendFunction) _head_1);
Assert.assertEquals("CharSequence c - foo(CharSequence)", this.signatureProvider.getSignature(IterableExtensions.<XtendParameter>head(func.getParameters())));
XExpression _expression = func.getExpression();
final XBlockExpression block = ((XBlockExpression) _expression);
XExpression _head_2 = IterableExtensions.<XExpression>head(block.getExpressions());
final XIfExpression ifexpr = ((XIfExpression) _head_2);
final XExpression then = ifexpr.getThen();
XExpression _head_3 = IterableExtensions.<XExpression>head(((XBlockExpression) then).getExpressions());
final XExpression target = ((XMemberFeatureCall) _head_3).getMemberCallTarget();
Assert.assertEquals("String c", this.signatureProvider.getSignature(target));
XExpression _get = block.getExpressions().get(1);
final XSwitchExpression switchExpr = ((XSwitchExpression) _get);
XExpression _then = IterableExtensions.<XCasePart>head(switchExpr.getCases()).getThen();
final XExpression expr = ((XMemberFeatureCall) _then).getMemberCallTarget();
Assert.assertEquals("String c", this.signatureProvider.getSignature(expr));
} catch (Throwable _e) {
throw Exceptions.sneakyThrow(_e);
}
}
Example 11
| Source File: XbaseTypeComputer.java From xtext-extras with Eclipse Public License 2.0 | 2 votes |
|
/**
* Only for testing purpose.
* @nooverride This method is not intended to be re-implemented or extended by clients.
* @noreference This method is not intended to be referenced by clients.
*/
/* @Nullable */
protected XExpression getThen(XIfExpression ifExpression) {
return ifExpression.getThen();
}
