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

Example 51 with PsiExpression

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

the class ConstantExpressionIntention method processIntention.

@Override
public void processIntention(PsiElement element) throws IncorrectOperationException {
    final PsiExpression expression = (PsiExpression) element;
    final Object value = ExpressionUtils.computeConstantExpression(expression);
    @NonNls final String newExpression;
    if (value instanceof String) {
        final String string = (String) value;
        newExpression = '"' + StringUtil.escapeStringCharacters(string) + '"';
    } else if (value instanceof Character) {
        newExpression = '\'' + StringUtil.escapeStringCharacters(value.toString()) + '\'';
    } else if (value instanceof Long) {
        newExpression = value.toString() + 'L';
    } else if (value instanceof Double) {
        final double v = ((Double) value).doubleValue();
        if (Double.isNaN(v)) {
            newExpression = "java.lang.Double.NaN";
        } else if (Double.isInfinite(v)) {
            if (v > 0.0) {
                newExpression = "java.lang.Double.POSITIVE_INFINITY";
            } else {
                newExpression = "java.lang.Double.NEGATIVE_INFINITY";
            }
        } else {
            newExpression = Double.toString(v);
        }
    } else if (value instanceof Float) {
        final float v = ((Float) value).floatValue();
        if (Float.isNaN(v)) {
            newExpression = "java.lang.Float.NaN";
        } else if (Float.isInfinite(v)) {
            if (v > 0.0F) {
                newExpression = "java.lang.Float.POSITIVE_INFINITY";
            } else {
                newExpression = "java.lang.Float.NEGATIVE_INFINITY";
            }
        } else {
            newExpression = Float.toString(v) + 'f';
        }
    } else if (value == null) {
        newExpression = "null";
    } else {
        newExpression = String.valueOf(value);
    }
    PsiReplacementUtil.replaceExpression(expression, newExpression);
}

Example 52 with PsiExpression

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

the class ExpressionPredicate method satisfiedBy.

public boolean satisfiedBy(PsiElement element) {
    if (!(element instanceof PsiJavaToken)) {
        return false;
    }
    final PsiElement parent = element.getParent();
    if (!(parent instanceof PsiPolyadicExpression)) {
        return false;
    }
    final PsiPolyadicExpression expression = (PsiPolyadicExpression) parent;
    final PsiExpression[] operands = expression.getOperands();
    if (operands.length < 2) {
        return false;
    }
    PsiExpression prevOperand = null;
    for (PsiExpression operand : operands) {
        final PsiJavaToken token = expression.getTokenBeforeOperand(operand);
        if (element == token) {
            if (prevOperand == null || operand.getText().equals(prevOperand.getText())) {
                return false;
            }
            break;
        }
        prevOperand = operand;
    }
    return !ComparisonUtils.isComparison(expression);
}

Example 53 with PsiExpression

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

the class FlipExpressionIntention method getTextForElement.

@Override
public String getTextForElement(PsiElement element) {
    final PsiPolyadicExpression expression = (PsiPolyadicExpression) element.getParent();
    final PsiExpression[] operands = expression.getOperands();
    final PsiJavaToken sign = expression.getTokenBeforeOperand(operands[1]);
    final String operatorText = sign == null ? "" : sign.getText();
    final IElementType tokenType = expression.getOperationTokenType();
    final boolean commutative = ParenthesesUtils.isCommutativeOperator(tokenType);
    if (commutative && !ExpressionUtils.isConcatenation(expression)) {
        return IntentionPowerPackBundle.message("flip.smth.intention.name", operatorText);
    } else {
        return IntentionPowerPackBundle.message("flip.smth.intention.name1", operatorText);
    }
}

Example 54 with PsiExpression

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

the class JavaPolyadicExpressionUnwrapper method doUnwrap.

@Override
protected void doUnwrap(PsiElement element, Context context) throws IncorrectOperationException {
    final PsiPolyadicExpression parent = (PsiPolyadicExpression) element.getParent();
    final PsiExpression operand = findOperand(element, parent);
    if (operand == null) {
        return;
    }
    context.extractElement(operand, parent);
    context.delete(parent);
}

Example 55 with PsiExpression

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

the class GuessElementTypeMacro method guessTypes.

@Nullable
private static PsiType[] guessTypes(Expression[] params, ExpressionContext context) {
    if (params.length != 1)
        return null;
    final Result result = params[0].calculateResult(context);
    if (result == null)
        return null;
    Project project = context.getProject();
    PsiExpression expr = MacroUtil.resultToPsiExpression(result, context);
    if (expr == null)
        return null;
    PsiType[] types = GuessManager.getInstance(project).guessContainerElementType(expr, new TextRange(context.getTemplateStartOffset(), context.getTemplateEndOffset()));
    for (int i = 0; i < types.length; i++) {
        types[i] = GenericsUtil.getVariableTypeByExpressionType(types[i]);
    }
    return types;
}