Examples with JCTree com.sun.tools.javac.tree.JCTree used on opensource projects

Example 26 with JCTree

use of com.sun.tools.javac.tree.JCTree in project error-prone by google.

the class SuggestedFixes method renameVariable.

/**
   * Renames the given {@link VariableTree} and its usages in the current compilation unit to {@code
   * replacement}.
   */
public static SuggestedFix renameVariable(VariableTree tree, final String replacement, VisitorState state) {
    String name = tree.getName().toString();
    int typeLength = state.getSourceForNode(tree.getType()).length();
    int pos = ((JCTree) tree).getStartPosition() + state.getSourceForNode(tree).indexOf(name, typeLength);
    final SuggestedFix.Builder fix = SuggestedFix.builder().replace(pos, pos + name.length(), replacement);
    final Symbol.VarSymbol sym = getSymbol(tree);
    ((JCTree) state.getPath().getCompilationUnit()).accept(new TreeScanner() {

        @Override
        public void visitIdent(JCTree.JCIdent tree) {
            if (sym.equals(getSymbol(tree))) {
                fix.replace(tree, replacement);
            }
        }
    });
    return fix.build();
}

Example 27 with JCTree

use of com.sun.tools.javac.tree.JCTree in project error-prone by google.

the class UTemplaterTest method testTemplateWithoutTypes.

/**
   * Parses a Java expression, templates it using a {@link UTemplater}, and tests that the template
   * matches the original parsed expression.
   */
private void testTemplateWithoutTypes(String expression) {
    JCTree ast = parseExpression(expression);
    UTree<?> template = (UTree<?>) new UTemplater(context).template(ast);
    assertNotNull(template.unify(ast, unifier));
}

Example 28 with JCTree

use of com.sun.tools.javac.tree.JCTree in project error-prone by google.

the class TypeParameterShadowing method renameTypeVariable.

private static SuggestedFix renameTypeVariable(Tree sourceTree, List<? extends TypeParameterTree> typeParameters, Name typeVariable, String typeVarReplacement, VisitorState state) {
    TypeParameterTree matchingTypeParam = typeParameters.stream().filter(t -> t.getName().contentEquals(typeVariable)).collect(MoreCollectors.onlyElement());
    Symbol typeVariableSymbol = ASTHelpers.getSymbol(matchingTypeParam);
    // replace only the type parameter name (and not any upper bounds)
    String name = matchingTypeParam.getName().toString();
    int pos = ((JCTree) matchingTypeParam).getStartPosition();
    SuggestedFix.Builder fixBuilder = SuggestedFix.builder().replace(pos, pos + name.length(), typeVarReplacement);
    ((JCTree) sourceTree).accept(new TreeScanner() {

        @Override
        public void visitIdent(JCTree.JCIdent tree) {
            Symbol identSym = ASTHelpers.getSymbol(tree);
            if (Objects.equal(identSym, typeVariableSymbol)) {
                // }
                if (Objects.equal(state.getSourceForNode(tree), name)) {
                    fixBuilder.replace(tree, typeVarReplacement);
                }
            }
        }
    });
    return fixBuilder.build();
}

Example 29 with JCTree

use of com.sun.tools.javac.tree.JCTree in project error-prone by google.

the class StaticGuardedByInstance method matchSynchronized.

@Override
public Description matchSynchronized(SynchronizedTree tree, VisitorState state) {
    Symbol lock = ASTHelpers.getSymbol(TreeInfo.skipParens((JCTree) tree.getExpression()));
    if (!(lock instanceof VarSymbol)) {
        return Description.NO_MATCH;
    }
    if (lock.isStatic()) {
        return Description.NO_MATCH;
    }
    Multimap<VarSymbol, Tree> writes = WriteVisitor.scan(tree.getBlock());
    for (Entry<VarSymbol, Tree> write : writes.entries()) {
        if (!write.getKey().isStatic()) {
            continue;
        }
        state.reportMatch(buildDescription(write.getValue()).setMessage(String.format(MESSAGE, lock)).build());
    }
    return Description.NO_MATCH;
}

Example 30 with JCTree

use of com.sun.tools.javac.tree.JCTree in project error-prone by google.

the class BlockTemplateMatch method getRange.

@Override
public String getRange(JCCompilationUnit unit) {
    try {
        CharSequence sequence = unit.getSourceFile().getCharContent(true);
        JCTree firstStatement = statements.get(0);
        JCTree lastStatement = statements.get(statements.size() - 1);
        return sequence.subSequence(firstStatement.getStartPosition(), lastStatement.getEndPosition(unit.endPositions)).toString();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}