Examples with PsiExpression com.intellij.psi.PsiExpression used on opensource projects

Example 36 with PsiExpression

use of com.intellij.psi.PsiExpression in project intellij-community by JetBrains.

the class SuggestedParamTypesTest method doTest.

private void doTest(String... types) throws Exception {
    configureByFile(BASE_PATH + getTestName(false) + ".java");
    final Editor editor = getEditor();
    final PsiFile file = getFile();
    final Project project = getProject();
    int startOffset = editor.getSelectionModel().getSelectionStart();
    int endOffset = editor.getSelectionModel().getSelectionEnd();
    PsiElement[] elements;
    PsiExpression expr = CodeInsightUtil.findExpressionInRange(file, startOffset, endOffset);
    if (expr != null) {
        elements = new PsiElement[] { expr };
    } else {
        elements = CodeInsightUtil.findStatementsInRange(file, startOffset, endOffset);
    }
    assertTrue(elements.length > 0);
    final ExtractMethodProcessor processor = new ExtractMethodProcessor(project, editor, elements, null, "Extract Method", "newMethod", null);
    processor.prepare();
    for (final VariableData data : processor.getInputVariables().getInputVariables()) {
        final PsiExpression[] occurrences = ParameterTablePanel.findVariableOccurrences(elements, data.variable);
        final TypeSelectorManager manager = new TypeSelectorManagerImpl(project, data.type, occurrences, true) {

            @Override
            protected boolean isUsedAfter() {
                return processor.isOutputVariable(data.variable);
            }
        };
        final JComponent component = manager.getTypeSelector().getComponent();
        if (types.length > 1) {
            assertTrue("One type suggested", component instanceof JComboBox);
            final DefaultComboBoxModel model = (DefaultComboBoxModel) ((JComboBox) component).getModel();
            assertEquals(types.length, model.getSize());
            for (int i = 0, typesLength = types.length; i < typesLength; i++) {
                String type = types[i];
                assertEquals(type, model.getElementAt(i).toString());
            }
        } else if (types.length == 1) {
            assertTrue("Multiple types suggested", component instanceof JLabel);
            assertEquals(types[0], ((JLabel) component).getText());
        }
    }
}

Example 37 with PsiExpression

use of com.intellij.psi.PsiExpression in project intellij-community by JetBrains.

the class InstructionVisitor method visitMethodCall.

public DfaInstructionState[] visitMethodCall(MethodCallInstruction instruction, DataFlowRunner runner, DfaMemoryState memState) {
    //noinspection UnusedDeclaration
    for (PsiExpression arg : instruction.getArgs()) {
        memState.pop();
    }
    //qualifier
    memState.pop();
    memState.push(DfaUnknownValue.getInstance());
    return nextInstruction(instruction, runner, memState);
}

Example 38 with PsiExpression

use of com.intellij.psi.PsiExpression in project intellij-community by JetBrains.

the class SmartCompletionTemplateItem method getType.

@Override
public PsiType getType() {
    final Template template = getTemplate();
    String text = template.getTemplateText();
    StringBuilder resultingText = new StringBuilder(text);
    int segmentsCount = template.getSegmentsCount();
    for (int j = segmentsCount - 1; j >= 0; j--) {
        if (template.getSegmentName(j).equals(TemplateImpl.END)) {
            continue;
        }
        resultingText.insert(template.getSegmentOffset(j), "xxx");
    }
    try {
        final PsiExpression templateExpression = JavaPsiFacade.getElementFactory(myContext.getProject()).createExpressionFromText(resultingText.toString(), myContext);
        return templateExpression.getType();
    } catch (IncorrectOperationException e) {
        // can happen when text of the template does not form an expression
        return null;
    }
}

Example 39 with PsiExpression

use of com.intellij.psi.PsiExpression in project intellij-community by JetBrains.

the class WrapReturnValue method fixUsage.

@Override
public void fixUsage() throws IncorrectOperationException {
    PsiExpression returnValue = myStatement.getReturnValue();
    assert returnValue != null;
    String newExpression = "new " + myType + '(' + returnValue.getText() + ')';
    MutationUtils.replaceExpression(newExpression, returnValue);
}

Example 40 with PsiExpression

use of com.intellij.psi.PsiExpression in project intellij-community by JetBrains.

the class JavaPsiFormattingTest method testReferenceExpressionSpaceInsertion.

public void testReferenceExpressionSpaceInsertion() {
    String text = "if(x&y);";
    PsiFile file = createFile("A.java", "class C{{\n" + text + "\n}}");
    PsiElement element = file.findElementAt(file.getText().indexOf(text));
    PsiIfStatement statement = PsiTreeUtil.getParentOfType(element, PsiIfStatement.class);
    assertNotNull(statement);
    Ref<PsiElement> result = Ref.create();
    CommandProcessor.getInstance().executeCommand(getProject(), () -> WriteAction.run(() -> result.set(CodeStyleManager.getInstance(getProject()).reformat(statement))), "", null);
    PsiExpression expr = ((PsiIfStatement) result.get()).getCondition();
    assertEquals("PsiBinaryExpression:x & y\n" + "  PsiReferenceExpression:x\n" + "    PsiReferenceParameterList\n" + "      <empty list>\n" + "    PsiIdentifier:x('x')\n" + "  PsiWhiteSpace(' ')\n" + "  PsiJavaToken:AND('&')\n" + "  PsiWhiteSpace(' ')\n" + "  PsiReferenceExpression:y\n" + "    PsiReferenceParameterList\n" + "      <empty list>\n" + "    PsiIdentifier:y('y')\n", DebugUtil.psiToString(expr, false));
}