本文整理汇总了Java中com.android.tools.lint.detector.api.LintUtils.getPrevInstruction方法的典型用法代码示例。如果您正苦于以下问题：Java LintUtils.getPrevInstruction方法的具体用法？Java LintUtils.getPrevInstruction怎么用？Java LintUtils.getPrevInstruction使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.android.tools.lint.detector.api.LintUtils的用法示例。
在下文中一共展示了LintUtils.getPrevInstruction方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: checkSimpleDateFormat
import com.android.tools.lint.detector.api.LintUtils; //导入方法依赖的package包/类
private static void checkSimpleDateFormat(ClassContext context, MethodNode method,
MethodInsnNode node, int minSdk) {
if (minSdk >= 9) {
// Already OK
return;
}
if (node.name.equals(CONSTRUCTOR_NAME) && !node.desc.equals("()V")) { //$NON-NLS-1$
// Check first argument
AbstractInsnNode prev = LintUtils.getPrevInstruction(node);
if (prev != null && !node.desc.equals("(Ljava/lang/String;)V")) { //$NON-NLS-1$
prev = LintUtils.getPrevInstruction(prev);
}
if (prev != null && prev.getOpcode() == Opcodes.LDC) {
LdcInsnNode ldc = (LdcInsnNode) prev;
Object cst = ldc.cst;
if (cst instanceof String) {
String pattern = (String) cst;
boolean isEscaped = false;
for (int i = 0; i < pattern.length(); i++) {
char c = pattern.charAt(i);
if (c == '\'') {
isEscaped = !isEscaped;
} else if (!isEscaped && (c == 'L' || c == 'c')) {
String message = String.format(
"The pattern character '%1$c' requires API level 9 (current " +
"min is %2$d) : \"`%3$s`\"", c, minSdk, pattern);
report(context, message, node, method, pattern, null,
SearchHints.create(FORWARD));
return;
}
}
}
}
}
}
示例2: checkInstruction
import com.android.tools.lint.detector.api.LintUtils; //导入方法依赖的package包/类
@Override
public void checkInstruction(@NonNull ClassContext context, @NonNull ClassNode classNode,
@NonNull MethodNode method, @NonNull AbstractInsnNode instruction) {
// As of Gingerbread/API 9, Dalvik performs this optimization automatically
if (context.getProject().getMinSdk() >= 9) {
return;
}
if ((method.access & Opcodes.ACC_STATIC) != 0) {
// Not an instance method
return;
}
if (instruction.getOpcode() != Opcodes.INVOKEVIRTUAL) {
return;
}
MethodInsnNode node = (MethodInsnNode) instruction;
String name = node.name;
String owner = node.owner;
AbstractInsnNode prev = LintUtils.getPrevInstruction(instruction);
if (prev == null || prev.getOpcode() != Opcodes.ALOAD) {
return;
}
VarInsnNode prevVar = (VarInsnNode) prev;
if (prevVar.var != 0) { // Not on "this", variable 0 in instance methods?
return;
}
if (((name.startsWith("get") && name.length() > 3 //$NON-NLS-1$
&& Character.isUpperCase(name.charAt(3)))
|| (name.startsWith("is") && name.length() > 2 //$NON-NLS-1$
&& Character.isUpperCase(name.charAt(2))))
&& owner.equals(classNode.name)) {
// Calling a potential getter method on self. We now need to
// investigate the method body of the getter call and make sure
// it's really a plain getter, not just a method which happens
// to have a method name like a getter, or a method which not
// only returns a field but possibly computes it or performs
// other initialization or side effects. This is done in a
// second pass over the bytecode, initiated by the finish()
// method.
if (mPendingCalls == null) {
mPendingCalls = new ArrayList<Entry>();
}
mPendingCalls.add(new Entry(name, node, method));
}
super.checkInstruction(context, classNode, method, instruction);
}