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

Example 21 with PsiLiteralExpression

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

the class ShiftUtils method isPowerOfTwo.

public static boolean isPowerOfTwo(PsiExpression rhs) {
    if (!(rhs instanceof PsiLiteralExpression)) {
        return false;
    }
    final PsiLiteralExpression literal = (PsiLiteralExpression) rhs;
    final Object value = literal.getValue();
    if (!(value instanceof Number)) {
        return false;
    }
    if (value instanceof Double || value instanceof Float) {
        return false;
    }
    int intValue = ((Number) value).intValue();
    if (intValue <= 1) {
        return false;
    }
    while (intValue % 2 == 0) {
        intValue >>= 1;
    }
    return intValue == 1;
}

Example 22 with PsiLiteralExpression

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

the class ShiftUtils method isIntLiteral.

public static boolean isIntLiteral(PsiExpression rhs) {
    if (!(rhs instanceof PsiLiteralExpression)) {
        return false;
    }
    final PsiLiteralExpression literal = (PsiLiteralExpression) rhs;
    final Object value = literal.getValue();
    if (!(value instanceof Number)) {
        return false;
    }
    return !(value instanceof Double) && !(value instanceof Float);
}

Example 23 with PsiLiteralExpression

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

the class ShiftUtils method isPowerOfTwo.

public static boolean isPowerOfTwo(PsiExpression rhs) {
    if (!(rhs instanceof PsiLiteralExpression)) {
        return false;
    }
    final PsiLiteralExpression literal = (PsiLiteralExpression) rhs;
    final Object value = literal.getValue();
    if (!(value instanceof Number)) {
        return false;
    }
    if (value instanceof Double || value instanceof Float) {
        return false;
    }
    int intValue = ((Number) value).intValue();
    if (intValue <= 0) {
        return false;
    }
    while (intValue % 2 == 0) {
        intValue >>= 1;
    }
    return intValue == 1;
}