Examples of org.eclipse.jdt.core.dom.PrefixExpression

org.eclipse.jdt.core.dom.PrefixExpression
Prefix expression AST node type.
```
 PrefixExpression: PrefixOperator Expression 
```
@since 2.0 @noinstantiate This class is not intended to be instantiated by clients.

     *
     * @param name local variable or field name
     * @return expression
     */
    public PrefixExpressionBuilder buildPreincrement(String name) {
        PrefixExpression prefixex = getAST().newPrefixExpression();
        prefixex.setOperator(PrefixExpression.Operator.INCREMENT);
        return new PrefixExpressionBuilder(this, prefixex, getAST().newSimpleName(name));
    }

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        test.setLeftOperand(m_ast.newSimpleName(name));
        FieldAccess access = m_ast.newFieldAccess();
        access.setExpression(m_ast.newSimpleName(array));
        access.setName(m_ast.newSimpleName("length"));
        test.setRightOperand(access);
        PrefixExpression post = m_ast.newPrefixExpression();
        post.setOperator(PrefixExpression.Operator.INCREMENT);
        post.setOperand(m_ast.newSimpleName(name));
        addForStatement(name, m_ast.newPrimitiveType(PrimitiveType.INT), m_ast.newNumberLiteral("0"), test,
            post, block);
    }

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  @Test
  public void testArrayInc() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("ArrayInc", ARRAY_INC);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    PrefixExpression inc = (PrefixExpression) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(inc);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof EclipseInstructionSequence);
    LoadArrayInstruction load = (LoadArrayInstruction) tac.instruction(inc.getOperand());
    
    EclipseInstructionSequence seq = (EclipseInstructionSequence) instr;
    Assert.assertEquals(
        "Wrong number of instructions in sequence: " + seq.getInstructions().length, 
        3, seq.getInstructions().length);

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                        // Produce prefix operators next time.
                        if (operator.equals("--")) {
                            isPostfix = false;
                        }
                    } else {
                        PrefixExpression prefix = ast.newPrefixExpression();
                        prefix.setOperand((Expression) ASTNode.copySubtree(ast,
                                assignment.getLeftHandSide()));
                        prefix.setOperator(PrefixExpression.Operator
                                .toOperator(operator));
                        expression = prefix;
                    }


                    returnStatement.setExpression(expression);

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        return false;
      }
    }


    if (parent instanceof PrefixExpression) {
      PrefixExpression prefix = (PrefixExpression) parent;
      if (prefix.getOperator()
          .equals(PrefixExpression.Operator.INCREMENT)
          || prefix.getOperator().equals(
              PrefixExpression.Operator.DECREMENT)) {
        return true;
      }
    }

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