Examples with JvmTypeParameter org.eclipse.xtext.common.types.JvmTypeParameter used on opensource projects

Example 51 with JvmTypeParameter

use of org.eclipse.xtext.common.types.JvmTypeParameter in project xtext-xtend by eclipse.

the class ParserTest method testTypeParams_1.

@Test
public void testTypeParams_1() throws Exception {
    XtendFunction func = function("def <T> foo(T t) {t}");
    assertEquals(1, func.getTypeParameters().size());
    JvmTypeParameter tp = func.getTypeParameters().get(0);
    assertEquals("T", tp.getName());
    assertEquals(0, tp.getConstraints().size());
}

Example 52 with JvmTypeParameter

use of org.eclipse.xtext.common.types.JvmTypeParameter in project xtext-xtend by eclipse.

the class ParserTest method testTypeParams_2.

@Test
public void testTypeParams_2() throws Exception {
    XtendFunction func = function("def <T extends CharSequence> foo(T t) { t}");
    assertEquals(1, func.getTypeParameters().size());
    JvmTypeParameter tp = func.getTypeParameters().get(0);
    assertEquals("T", tp.getName());
    assertEquals(1, tp.getConstraints().size());
    assertTrue(tp.getConstraints().get(0) instanceof JvmUpperBound);
}

Example 53 with JvmTypeParameter

use of org.eclipse.xtext.common.types.JvmTypeParameter in project xtext-xtend by eclipse.

the class LinkingTest method testTypeParameterReference_1.

@Test
public void testTypeParameterReference_1() throws Exception {
    XtendFunction func = (XtendFunction) ((XtendClass) file("import java.lang.* class X { def <String> String foo(java.lang.String x) {x}}").getXtendTypes().get(0)).getMembers().get(0);
    JvmTypeReference returnType = func.getReturnType();
    JvmTypeParameter typeParamDecl = (JvmTypeParameter) returnType.getType();
    assertEquals("String", typeParamDecl.getIdentifier());
    assertEquals("String", typeParamDecl.getName());
    JvmTypeReference paramType = func.getParameters().get(0).getParameterType();
    assertNotSame(typeParamDecl, paramType.getType());
}

Example 54 with JvmTypeParameter

use of org.eclipse.xtext.common.types.JvmTypeParameter in project xtext-xtend by eclipse.

the class LinkingTest method testTypeParameterReference_0.

@Test
public void testTypeParameterReference_0() throws Exception {
    XtendFunction func = (XtendFunction) ((XtendClass) file("import java.lang.* class X { def <String> String foo(String x) {x}}").getXtendTypes().get(0)).getMembers().get(0);
    JvmTypeReference returnType = func.getReturnType();
    JvmTypeParameter typeParamDecl = (JvmTypeParameter) returnType.getType();
    assertEquals("String", typeParamDecl.getIdentifier());
    assertEquals("String", typeParamDecl.getName());
    JvmTypeReference paramType = func.getParameters().get(0).getParameterType();
    assertEquals(typeParamDecl, paramType.getType());
}

Example 55 with JvmTypeParameter

use of org.eclipse.xtext.common.types.JvmTypeParameter in project xtext-xtend by eclipse.

the class LinkingTest method testTypeParameterShadowsType_4.

@Test
public void testTypeParameterShadowsType_4() throws Exception {
    final XtendFile file = file("class B<A>  { def A foo(A x) {x} def <A> A foo(A x) {x}}");
    final XtendClass xtendClass = ((XtendClass) file.getXtendTypes().get(0));
    XtendFunction func1 = (XtendFunction) xtendClass.getMembers().get(0);
    XtendFunction func2 = (XtendFunction) xtendClass.getMembers().get(1);
    JvmTypeParameter classTypeParam = (JvmTypeParameter) func1.getReturnType().getType();
    assertTrue(classTypeParam.getDeclarator() instanceof JvmGenericType);
    assertSame(classTypeParam, func1.getParameters().get(0).getParameterType().getType());
    JvmTypeParameter funcTypeParam = (JvmTypeParameter) func2.getReturnType().getType();
    assertTrue(funcTypeParam.getDeclarator() instanceof JvmOperation);
    assertSame(funcTypeParam, func2.getParameters().get(0).getParameterType().getType());
}