本文整理汇总了Java中com.sun.source.util.TreeScanner类的典型用法代码示例。如果您正苦于以下问题：Java TreeScanner类的具体用法？Java TreeScanner怎么用？Java TreeScanner使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
TreeScanner类属于com.sun.source.util包，在下文中一共展示了TreeScanner类的15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: testVarPos
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testVarPos() throws IOException {
final String code = "package t; class Test { " +
"{ java.io.InputStream in = null; } }";
CompilationUnitTree cut = getCompilationUnitTree(code);
new TreeScanner<Void, Void>() {
@Override
public Void visitVariable(VariableTree node, Void p) {
if ("in".contentEquals(node.getName())) {
JCTree.JCVariableDecl var = (JCTree.JCVariableDecl) node;
assertEquals("testVarPos","in = null; } }",
code.substring(var.pos));
}
return super.visitVariable(node, p);
}
}.scan(cut, null);
}
示例2: testTryResourcePos
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testTryResourcePos() throws IOException {
final String code = "package t; class Test { " +
"{ try (java.io.InputStream in = null) { } } }";
CompilationUnitTree cut = getCompilationUnitTree(code);
new TreeScanner<Void, Void>() {
@Override
public Void visitVariable(VariableTree node, Void p) {
if ("in".contentEquals(node.getName())) {
JCTree.JCVariableDecl var = (JCTree.JCVariableDecl) node;
assertEquals("testTryResourcePos", "in = null) { } } }",
code.substring(var.pos));
}
return super.visitVariable(node, p);
}
}.scan(cut, null);
}
示例3: testOperatorMissingError
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testOperatorMissingError() throws IOException {
String code = "package test; public class ErrorTest { "
+ "void method() { int x = y z } }";
CompilationUnitTree cut = getCompilationUnitTree(code);
final List<String> values = new ArrayList<>();
final List<String> expectedValues =
new ArrayList<>(Arrays.asList("[z]"));
new TreeScanner<Void, Void>() {
@Override
public Void visitErroneous(ErroneousTree node, Void p) {
values.add(getErroneousTreeValues(node).toString());
return null;
}
}.scan(cut, null);
assertEquals("testOperatorMissingError: The Erroneous tree "
+ "error values: " + values
+ " do not match expected error values: "
+ expectedValues, values, expectedValues);
}
示例4: testMissingParenthesisError
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testMissingParenthesisError() throws IOException {
String code = "package test; public class ErrorTest { "
+ "void f() {String s = new String; } }";
CompilationUnitTree cut = getCompilationUnitTree(code);
final List<String> values = new ArrayList<>();
final List<String> expectedValues =
new ArrayList<>(Arrays.asList("[new String()]"));
new TreeScanner<Void, Void>() {
@Override
public Void visitErroneous(ErroneousTree node, Void p) {
values.add(getErroneousTreeValues(node).toString());
return null;
}
}.scan(cut, null);
assertEquals("testMissingParenthesisError: The Erroneous tree "
+ "error values: " + values
+ " do not match expected error values: "
+ expectedValues, values, expectedValues);
}
示例5: testMissingClassError
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testMissingClassError() throws IOException {
String code = "package Test; clas ErrorTest { "
+ "void f() {String s = new String(); } }";
CompilationUnitTree cut = getCompilationUnitTree(code);
final List<String> values = new ArrayList<>();
final List<String> expectedValues =
new ArrayList<>(Arrays.asList("[, clas]", "[]"));
new TreeScanner<Void, Void>() {
@Override
public Void visitErroneous(ErroneousTree node, Void p) {
values.add(getErroneousTreeValues(node).toString());
return null;
}
}.scan(cut, null);
assertEquals("testMissingClassError: The Erroneous tree "
+ "error values: " + values
+ " do not match expected error values: "
+ expectedValues, values, expectedValues);
}
示例6: testSwitchError
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testSwitchError() throws IOException {
String code = "package test; public class ErrorTest { "
+ "int numDays; void m1(int i) { switchh {i} { case 1: "
+ "numDays = 31; break; } } }";
CompilationUnitTree cut = getCompilationUnitTree(code);
final List<String> values = new ArrayList<>();
final List<String> expectedValues =
new ArrayList<>(Arrays.asList("[switchh]", "[i]"));
new TreeScanner<Void, Void>() {
@Override
public Void visitErroneous(ErroneousTree node, Void p) {
values.add(getErroneousTreeValues(node).toString());
return null;
}
}.scan(cut, null);
assertEquals("testSwitchError: The Erroneous tree "
+ "error values: " + values
+ " do not match expected error values: "
+ expectedValues, values, expectedValues);
}
示例7: testMethodError
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testMethodError() throws IOException {
String code = "package Test; class ErrorTest { "
+ "static final void f) {String s = new String(); } }";
CompilationUnitTree cut = cut = getCompilationUnitTree(code);
final List<String> values = new ArrayList<>();
final List<String> expectedValues =
new ArrayList<>(Arrays.asList("[\nstatic final void f();]"));
new TreeScanner<Void, Void>() {
@Override
public Void visitErroneous(ErroneousTree node, Void p) {
values.add(normalize(getErroneousTreeValues(node).toString()));
return null;
}
}.scan(cut, null);
assertEquals("testMethodError: The Erroneous tree "
+ "error value: " + values
+ " does not match expected error values: "
+ expectedValues, values, expectedValues);
}
示例8: testOperatorMissingError
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testOperatorMissingError() throws IOException {
String code = "package test; public class ErrorTest { "
+ "void method() { int x = y z } }";
CompilationUnitTree cut = getCompilationUnitTree(code);
final List<String> values = new ArrayList<>();
final List<String> expectedValues =
new ArrayList<>(Arrays.asList("[z]"));
new TreeScanner<Void, Void>() {
@Override
public Void visitErroneous(ErroneousTree node, Void p) {
values.add(getErroneousTreeValues(node).toString());
return null;
}
}.scan(cut, null);
assertEquals("testSwitchError: The Erroneous tree "
+ "error values: " + values
+ " do not match expected error values: "
+ expectedValues, values, expectedValues);
}
示例9: testMissingParenthesisError
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testMissingParenthesisError() throws IOException {
String code = "package test; public class ErrorTest { "
+ "void f() {String s = new String; } }";
CompilationUnitTree cut = getCompilationUnitTree(code);
final List<String> values = new ArrayList<>();
final List<String> expectedValues =
new ArrayList<>(Arrays.asList("[new String()]"));
new TreeScanner<Void, Void>() {
@Override
public Void visitErroneous(ErroneousTree node, Void p) {
values.add(getErroneousTreeValues(node).toString());
return null;
}
}.scan(cut, null);
assertEquals("testSwitchError: The Erroneous tree "
+ "error values: " + values
+ " do not match expected error values: "
+ expectedValues, values, expectedValues);
}
示例10: testMissingClassError
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
@Test
void testMissingClassError() throws IOException {
String code = "package Test; clas ErrorTest { "
+ "void f() {String s = new String(); } }";
CompilationUnitTree cut = getCompilationUnitTree(code);
final List<String> values = new ArrayList<>();
final List<String> expectedValues =
new ArrayList<>(Arrays.asList("[, clas]", "[]"));
new TreeScanner<Void, Void>() {
@Override
public Void visitErroneous(ErroneousTree node, Void p) {
values.add(getErroneousTreeValues(node).toString());
return null;
}
}.scan(cut, null);
assertEquals("testSwitchError: The Erroneous tree "
+ "error values: " + values
+ " do not match expected error values: "
+ expectedValues, values, expectedValues);
}
示例11: containsTestMethod
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
/** Returns true if the tree contains a method invocation that looks like a test assertion. */
public static boolean containsTestMethod(Tree tree) {
return firstNonNull(
tree.accept(
new TreeScanner<Boolean, Void>() {
@Override
public Boolean visitMethodInvocation(MethodInvocationTree node, Void unused) {
String name = ASTHelpers.getSymbol(node).getSimpleName().toString();
return name.contains("assert")
|| name.contains("verify")
|| name.contains("check")
|| name.contains("fail")
|| name.contains("expect")
|| firstNonNull(super.visitMethodInvocation(node, null), false);
}
@Override
public Boolean reduce(Boolean a, Boolean b) {
return firstNonNull(a, false) || firstNonNull(b, false);
}
},
null),
false);
}
示例12: mockingObsoleteMethod
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
/** Allow mocking APIs that return obsolete types. */
private boolean mockingObsoleteMethod(MethodTree enclosingMethod, VisitorState state, Type type) {
// mutable boolean to return result from visitor
boolean[] found = {false};
enclosingMethod.accept(
new TreeScanner<Void, Void>() {
@Override
public Void visitMethodInvocation(MethodInvocationTree node, Void unused) {
if (found[0]) {
return null;
}
if (MOCKITO_MATCHER.matches(node, state)) {
Type stubber = ASTHelpers.getReturnType(node);
if (!stubber.getTypeArguments().isEmpty()
&& ASTHelpers.isSameType(
getOnlyElement(stubber.getTypeArguments()), type, state)) {
found[0] = true;
}
}
return super.visitMethodInvocation(node, null);
}
},
null);
return found[0];
}
示例13: catchVariableIsUsed
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
private boolean catchVariableIsUsed(CatchTree c) {
VarSymbol sym = ASTHelpers.getSymbol(c.getParameter());
boolean[] found = {false};
c.getBlock()
.accept(
new TreeScanner<Void, Void>() {
@Override
public Void visitIdentifier(IdentifierTree node, Void aVoid) {
if (Objects.equals(sym, ASTHelpers.getSymbol(node))) {
found[0] = true;
}
return super.visitIdentifier(node, aVoid);
}
},
null);
return found[0];
}
示例14: getMethodReturnTypes
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
private static ImmutableSet<ClassType> getMethodReturnTypes(MethodTree methodTree) {
ImmutableSet.Builder<ClassType> returnTypes = ImmutableSet.builder();
methodTree.accept(
new TreeScanner<Void, Void>() {
@Override
public Void visitReturn(ReturnTree node, Void unused) {
Type type = ASTHelpers.getType(node.getExpression());
if (type instanceof ClassType) {
returnTypes.add((ClassType) type);
}
return null;
}
},
null /* unused */);
return returnTypes.build();
}
示例15: refactorInternalApplyMethods
import com.sun.source.util.TreeScanner; //导入依赖的package包/类
private void refactorInternalApplyMethods(
MethodTree tree, SuggestedFix.Builder fixBuilder, Tree param, String mappedFunction) {
getMappingForApply(mappedFunction)
.ifPresent(
apply -> {
tree.accept(
new TreeScanner<Void, Void>() {
@Override
public Void visitMethodInvocation(MethodInvocationTree callTree, Void unused) {
if (getSymbol(callTree).name.contentEquals("apply")) {
Symbol receiverSym = getSymbol(getReceiver(callTree));
if (receiverSym != null
&& receiverSym.equals(ASTHelpers.getSymbol(param))) {
fixBuilder.replace(
callTree.getMethodSelect(), receiverSym.name + "." + apply);
}
}
return super.visitMethodInvocation(callTree, unused);
}
},
null);
});
}