Java Code Examples for com.sun.source.tree.IfTree#getThenStatement()
The following examples show how to use
com.sun.source.tree.IfTree#getThenStatement() .
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Example 1
| Source File: ConvertToPatternInstanceOf.java From netbeans with Apache License 2.0 | 6 votes |
|
@Override
protected void performRewrite(JavaFix.TransformationContext ctx) {
WorkingCopy wc = ctx.getWorkingCopy();
TreePath main = ctx.getPath();
IfTree it = (IfTree) main.getLeaf();
InstanceOfTree iot = (InstanceOfTree) ((ParenthesizedTree) it.getCondition()).getExpression();
StatementTree bt = it.getThenStatement();
// wc.rewrite(iot.getType(), wc.getTreeMaker().BindingPattern(var.getName(), iot.getType()));
// wc.rewrite(bt, wc.getTreeMaker().removeBlockStatement(bt, 0));
InstanceOfTree cond = wc.getTreeMaker().InstanceOf(iot.getExpression(), wc.getTreeMaker().BindingPattern(varName, iot.getType()));
StatementTree thenBlock = removeFirst ? wc.getTreeMaker().removeBlockStatement((BlockTree) bt, 0) : bt;
wc.rewrite(it, wc.getTreeMaker().If(wc.getTreeMaker().Parenthesized(cond), thenBlock, it.getElseStatement()));
replaceOccurrences.stream().map(tph -> tph.resolve(wc)).forEach(tp -> {
if (!removeFirst && tp.getParentPath().getLeaf().getKind() == Kind.PARENTHESIZED) {
tp = tp.getParentPath();
}
wc.rewrite(tp.getLeaf(), wc.getTreeMaker().Identifier(varName));
});
}
Example 2
| Source File: EmptyStatements.java From netbeans with Apache License 2.0 | 6 votes |
|
@Hint(displayName = "#LBL_Empty_IF", description = "#DSC_Empty_IF", category = "empty", hintKind = Hint.Kind.INSPECTION, severity = Severity.VERIFIER, suppressWarnings = SUPPRESS_WARNINGS_KEY, id = "EmptyStatements_IF", enabled = false)
@TriggerTreeKind(Tree.Kind.EMPTY_STATEMENT)
public static ErrorDescription forIF(HintContext ctx) {
final TreePath treePath = ctx.getPath();
Tree parent = treePath.getParentPath().getLeaf();
if (!EnumSet.of(Kind.IF).contains(parent.getKind())) {
return null;
}
TreePath treePathForWarning = treePath;
IfTree it = (IfTree) parent;
if (it.getThenStatement() != null
&& it.getThenStatement().getKind() == Tree.Kind.EMPTY_STATEMENT) {
treePathForWarning = treePath.getParentPath();
}
if (it.getElseStatement() != null
&& it.getElseStatement().getKind() == Tree.Kind.EMPTY_STATEMENT) {
treePathForWarning = treePath;
}
final List<Fix> fixes = new ArrayList<>();
fixes.add(FixFactory.createSuppressWarningsFix(ctx.getInfo(), treePathForWarning, SUPPRESS_WARNINGS_KEY));
return createErrorDescription(ctx, parent, fixes, parent.getKind());
}
Example 3
| Source File: MethodMetrics.java From netbeans with Apache License 2.0 | 5 votes |
|
@Override
public Object visitReturn(ReturnTree node, Object p) {
TreePath path = getCurrentPath();
TreePath parentPath = path.getParentPath();
if (suppress) {
return super.visitReturn(node, p);
}
if (ignoreGuards && parentPath != null) {
Tree parentTree = parentPath.getLeaf();
TreePath branchPath = path;
while (parentTree.getKind() == Tree.Kind.BLOCK) {
branchPath = parentPath;
parentPath = parentPath.getParentPath();
parentTree = parentPath.getLeaf();
}
if (parentTree.getKind() == Tree.Kind.IF) {
IfTree ifTree = (IfTree)parentTree;
StatementTree trueTree = ifTree.getThenStatement() == branchPath.getLeaf() ?
ifTree.getThenStatement() : ifTree.getElseStatement();
if (trueTree == node) {
return super.visitReturn(node, p);
}
if (trueTree.getKind() == Tree.Kind.BLOCK) {
BlockTree bt = (BlockTree)trueTree;
if (bt.getStatements().size() == 1) {
return super.visitReturn(node, p);
}
}
}
}
returnCount++;
return super.visitReturn(node, p);
}
Example 4
| Source File: Refactorer.java From netbeans with Apache License 2.0 | 5 votes |
|
private boolean isReturningIf( IfTree ifTree) {
StatementTree then = ifTree.getThenStatement();
if (then.getKind() == Tree.Kind.RETURN) {
return true;
} else if (then.getKind() == Tree.Kind.BLOCK) {
BlockTree block = (BlockTree) then;
if (block.getStatements().size() == 1 && block.getStatements().get(0).getKind() == Tree.Kind.RETURN) {
return true;
}
}
return false;
}
Example 5
| Source File: Refactorer.java From netbeans with Apache License 2.0 | 5 votes |
|
private Boolean isIfWithContinue( IfTree ifTree) {
StatementTree then = ifTree.getThenStatement();
if (then.getKind() == Tree.Kind.CONTINUE) {
return true;
} else if (then.getKind() == Tree.Kind.BLOCK) {
List<? extends StatementTree> statements = ((BlockTree) then).getStatements();
if (statements.size() == 1 && statements.get(0).getKind() == Tree.Kind.CONTINUE) {
return true;
}
}
return false;
}
Example 6
| Source File: Refactorer.java From netbeans with Apache License 2.0 | 5 votes |
|
private List<ProspectiveOperation> getIfListRepresentation( StatementTree tree, boolean last) {
IfTree ifTree = (IfTree) tree;
List<ProspectiveOperation> ls = new ArrayList<ProspectiveOperation>();
if (ifTree.getElseStatement() == null) {
StatementTree then = ifTree.getThenStatement();
if (isOneStatementBlock(then)) {
then = ((BlockTree) then).getStatements().get(0);
}
if (then.getKind() == Tree.Kind.RETURN) {
ReturnTree returnTree = (ReturnTree) then;
ExpressionTree returnExpression = returnTree.getExpression();
if (returnExpression.getKind() == Tree.Kind.BOOLEAN_LITERAL && ((LiteralTree) returnExpression).getValue().equals(true)) {
ls.addAll(ProspectiveOperation.createOperator(ifTree, ProspectiveOperation.OperationType.ANYMATCH, this.preconditionsChecker, this.workingCopy));
} else if (returnExpression.getKind() == Tree.Kind.BOOLEAN_LITERAL && ((LiteralTree) returnExpression).getValue().equals(false)) {
ls.addAll(ProspectiveOperation.createOperator(ifTree, ProspectiveOperation.OperationType.NONEMATCH, this.preconditionsChecker, this.workingCopy));
}
} else {
ls.addAll(ProspectiveOperation.createOperator(ifTree, ProspectiveOperation.OperationType.FILTER, this.preconditionsChecker, this.workingCopy));
ls.addAll(getListRepresentation(ifTree.getThenStatement(), last));
}
} else {
ls.addAll(ProspectiveOperation.createOperator(ifTree, ProspectiveOperation.OperationType.MAP, this.preconditionsChecker, this.workingCopy));
}
return ls;
}
Example 7
| Source File: ExpressionScanner.java From netbeans with Apache License 2.0 | 5 votes |
|
@Override
public List<Tree> visitIf(IfTree node, ExpressionScanner.ExpressionsInfo p) {
List<Tree> cond = null;
Tree lastCond = null;
if (acceptsTree(node)) {
cond = scan(node.getCondition(), p);
if (cond != null) {
lastCond = cond.get(cond.size() - 1);
}
}
StatementTree thent = node.getThenStatement();
StatementTree elset = node.getElseStatement();
List<Tree> thenr = null;
if (isCurrentTree(thent)) {
thenr = scan(thent, p);
if (lastCond != null && thenr != null) {
p.addNextExpression(lastCond, thenr.get(0));
}
}
List<Tree> elser = null;
if (isCurrentTree(elset)) {
elser = scan(elset, p);
if (lastCond != null && elser != null) {
p.addNextExpression(lastCond, elser.get(0));
}
}
return reduce(reduce(cond, thenr), elser);
}
Example 8
| Source File: IfTest.java From netbeans with Apache License 2.0 | 4 votes |
|
public void test158463a() throws Exception {
testFile = new File(getWorkDir(), "Test.java");
TestUtilities.copyStringToFile(testFile,
"package personal;\n" +
"\n" +
"public class Test {\n" +
" void m1(int p, int q) {\n" +
" if (p > 0)\n" +
" if (q > 0) { p++; }\n" +
" else { p--; }\n" +
" }\n" +
"}\n");
String golden =
"package personal;\n" +
"\n" +
"public class Test {\n" +
" void m1(int p, int q) {\n" +
" if ((p > 0) && (q > 0)) {\n" +
" p++;\n" +
" } else {\n" +
" p--;\n" +
" }\n" +
" }\n" +
"}\n";
JavaSource src = getJavaSource(testFile);
Task<WorkingCopy> task = new Task<WorkingCopy>() {
public void run(WorkingCopy workingCopy) throws IOException {
workingCopy.toPhase(Phase.RESOLVED);
TreeMaker make = workingCopy.getTreeMaker();
ClassTree clazz = (ClassTree) workingCopy.getCompilationUnit().getTypeDecls().get(0);
MethodTree method = (MethodTree) clazz.getMembers().get(1);
BlockTree block = method.getBody();
IfTree original = (IfTree) block.getStatements().get(0);
IfTree original2 = (IfTree) original.getThenStatement();
IfTree modified = make.If(
make.Parenthesized(
make.Binary(Kind.CONDITIONAL_AND,
original.getCondition(),
original2.getCondition())),
original2.getThenStatement(),
original2.getElseStatement());
workingCopy.rewrite(original, modified);
}
public void cancel() {
}
};
src.runModificationTask(task).commit();
String res = TestUtilities.copyFileToString(testFile);
//System.err.println(res);
assertEquals(golden, res);
}
Example 9
| Source File: IfTest.java From netbeans with Apache License 2.0 | 4 votes |
|
public void test158463b() throws Exception {
testFile = new File(getWorkDir(), "Test.java");
TestUtilities.copyStringToFile(testFile,
"package personal;\n" +
"\n" +
"public class Test {\n" +
" void m1(int p, int q) {\n" +
" if (p > 0)\n" +
" if (q > 0) p++; \n" +
" else p--;\n" +
" }\n" +
"}\n");
String golden =
"package personal;\n" +
"\n" +
"public class Test {\n" +
" void m1(int p, int q) {\n" +
" if ((p > 0) && (q > 0))\n" +
" p++;\n" +
" else {\n" + //TODO: brackets (#158154)
" p--;\n" +
" }\n" +
" }\n" +
"}\n";
JavaSource src = getJavaSource(testFile);
Task<WorkingCopy> task = new Task<WorkingCopy>() {
public void run(WorkingCopy workingCopy) throws IOException {
workingCopy.toPhase(Phase.RESOLVED);
TreeMaker make = workingCopy.getTreeMaker();
ClassTree clazz = (ClassTree) workingCopy.getCompilationUnit().getTypeDecls().get(0);
MethodTree method = (MethodTree) clazz.getMembers().get(1);
BlockTree block = method.getBody();
IfTree original = (IfTree) block.getStatements().get(0);
IfTree original2 = (IfTree) original.getThenStatement();
IfTree modified = make.If(
make.Parenthesized(
make.Binary(Kind.CONDITIONAL_AND,
original.getCondition(),
original2.getCondition())),
original2.getThenStatement(),
original2.getElseStatement());
workingCopy.rewrite(original, modified);
}
public void cancel() {
}
};
src.runModificationTask(task).commit();
String res = TestUtilities.copyFileToString(testFile);
//System.err.println(res);
assertEquals(golden, res);
}
Example 10
| Source File: Braces.java From netbeans with Apache License 2.0 | 4 votes |
|
@Override
protected void performRewrite(TransformationContext ctx) {
WorkingCopy copy = ctx.getWorkingCopy();
TreePath path = ctx.getPath();
if ( path != null ) {
TreeMaker make = copy.getTreeMaker();
Tree oldTree = path.getLeaf();
oldTree = GeneratorUtilities.get(copy).importComments(oldTree, copy.getCompilationUnit());
switch( oldTree.getKind() ) {
case FOR_LOOP:
ForLoopTree oldFor = (ForLoopTree)oldTree;
StatementTree oldBlock = oldFor.getStatement();
BlockTree newBlock = make.Block(Collections.<StatementTree>singletonList(oldBlock), false);
copy.rewrite(oldBlock, newBlock);
break;
case ENHANCED_FOR_LOOP:
EnhancedForLoopTree oldEnhancedFor = (EnhancedForLoopTree)oldTree;
oldBlock = oldEnhancedFor.getStatement();
newBlock = make.Block(Collections.<StatementTree>singletonList(oldBlock), false);
copy.rewrite(oldBlock, newBlock);
break;
case WHILE_LOOP:
WhileLoopTree oldWhile = (WhileLoopTree)oldTree;
oldBlock = oldWhile.getStatement();
newBlock = make.Block(Collections.<StatementTree>singletonList(oldBlock), false);
copy.rewrite(oldBlock, newBlock);
break;
case DO_WHILE_LOOP:
DoWhileLoopTree oldDoWhile = (DoWhileLoopTree)oldTree;
oldBlock = oldDoWhile.getStatement();
newBlock = make.Block(Collections.<StatementTree>singletonList(oldBlock), false);
copy.rewrite(oldBlock, newBlock);
break;
case IF:
IfTree oldIf = (IfTree)oldTree;
if ( fixThen ) {
oldBlock = oldIf.getThenStatement();
newBlock = make.Block(Collections.<StatementTree>singletonList(oldBlock), false);
copy.rewrite(oldBlock, newBlock);
}
if ( fixElse ) {
oldBlock = oldIf.getElseStatement();
newBlock = make.Block(Collections.<StatementTree>singletonList(oldBlock), false);
copy.rewrite(oldBlock, newBlock);
}
}
}
}
Example 11
| Source File: Tiny.java From netbeans with Apache License 2.0 | 4 votes |
|
@Hint(displayName = "#DN_indentation", description = "#DESC_indentation", category="bugs", suppressWarnings="SuspiciousIndentAfterControlStatement", options=Options.QUERY)
@TriggerTreeKind({Kind.IF, Kind.WHILE_LOOP, Kind.FOR_LOOP, Kind.ENHANCED_FOR_LOOP})
public static ErrorDescription indentation(HintContext ctx) {
Tree firstStatement;
Tree found = ctx.getPath().getLeaf();
switch (found.getKind()) {
case IF:
IfTree it = (IfTree) found;
if (it.getElseStatement() != null) firstStatement = it.getElseStatement();
else firstStatement = it.getThenStatement();
break;
case WHILE_LOOP:
firstStatement = ((WhileLoopTree) found).getStatement();
break;
case FOR_LOOP:
firstStatement = ((ForLoopTree) found).getStatement();
break;
case ENHANCED_FOR_LOOP:
firstStatement = ((EnhancedForLoopTree) found).getStatement();
break;
default:
return null;
}
if (firstStatement != null && firstStatement.getKind() == Kind.BLOCK) {
return null;
}
Tree parent = ctx.getPath().getParentPath().getLeaf();
List<? extends Tree> parentStatements;
switch (parent.getKind()) {
case BLOCK: parentStatements = ((BlockTree) parent).getStatements(); break;
case CASE: parentStatements = ((CaseTree) parent).getStatements(); break;
default: return null;
}
int index = parentStatements.indexOf(found);
if (index < 0 || index + 1 >= parentStatements.size()) return null;
Tree secondStatement = parentStatements.get(index + 1);
int firstIndent = indent(ctx, firstStatement);
int secondIndent = indent(ctx, secondStatement);
if (firstIndent == (-1) || secondIndent == (-1) || firstIndent != secondIndent) return null;
return ErrorDescriptionFactory.forTree(ctx, secondStatement, Bundle.ERR_indentation());
}
