Examples with ThrowStatementTree org.sonar.plugins.java.api.tree.ThrowStatementTree used on opensource projects

Example 1 with ThrowStatementTree

use of org.sonar.plugins.java.api.tree.ThrowStatementTree in project sonar-java by SonarSource.

the class ThrowCheckedExceptionCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    if (tree.is(Tree.Kind.METHOD)) {
        methods.push((MethodTree) tree);
    } else {
        ThrowStatementTree throwStatementTree = (ThrowStatementTree) tree;
        Type symbolType = throwStatementTree.expression().symbolType();
        if (symbolType.isSubtypeOf("java.lang.Exception") && !symbolType.isSubtypeOf("java.lang.RuntimeException") && !isFromMethodOverride(symbolType)) {
            reportIssue(throwStatementTree.expression(), "Remove the usage of the checked exception '" + symbolType.name() + "'.");
        }
    }
}

Example 2 with ThrowStatementTree

use of org.sonar.plugins.java.api.tree.ThrowStatementTree in project sonar-java by SonarSource.

the class JavaTreeModelTest method throw_statement.

/**
 * 14.18. The throw Statement
 */
@Test
public void throw_statement() {
    ThrowStatementTree tree = (ThrowStatementTree) firstMethodFirstStatement("class T { void m() { throw e; } }");
    assertThat(tree.is(Tree.Kind.THROW_STATEMENT)).isTrue();
    assertThat(tree.throwKeyword().text()).isEqualTo("throw");
    assertThat(tree.expression()).isNotNull();
    assertThat(tree.semicolonToken().text()).isEqualTo(";");
    assertThatChildrenIteratorHasSize(tree, 3);
}

Example 3 with ThrowStatementTree

use of org.sonar.plugins.java.api.tree.ThrowStatementTree in project sonar-java by SonarSource.

the class ExplodedGraphWalker method handleBlockExit.

private void handleBlockExit(ProgramPoint programPosition) {
    CFG.Block block = (CFG.Block) programPosition.block;
    Tree terminator = block.terminator();
    cleanUpProgramState(block);
    boolean exitPath = node.exitPath;
    if (terminator != null) {
        switch(terminator.kind()) {
            case IF_STATEMENT:
                ExpressionTree ifCondition = ((IfStatementTree) terminator).condition();
                handleBranch(block, cleanupCondition(ifCondition), verifyCondition(ifCondition));
                return;
            case CONDITIONAL_OR:
            case CONDITIONAL_AND:
                handleBranch(block, ((BinaryExpressionTree) terminator).leftOperand());
                return;
            case CONDITIONAL_EXPRESSION:
                handleBranch(block, ((ConditionalExpressionTree) terminator).condition());
                return;
            case FOR_STATEMENT:
                ExpressionTree condition = ((ForStatementTree) terminator).condition();
                if (condition != null) {
                    handleBranch(block, condition, false);
                    return;
                }
                break;
            case WHILE_STATEMENT:
                ExpressionTree whileCondition = ((WhileStatementTree) terminator).condition();
                handleBranch(block, cleanupCondition(whileCondition), verifyCondition(whileCondition));
                return;
            case DO_STATEMENT:
                ExpressionTree doCondition = ((DoWhileStatementTree) terminator).condition();
                handleBranch(block, cleanupCondition(doCondition), verifyCondition(doCondition));
                return;
            case SYNCHRONIZED_STATEMENT:
                resetFieldValues(false);
                break;
            case RETURN_STATEMENT:
                ExpressionTree returnExpression = ((ReturnStatementTree) terminator).expression();
                if (returnExpression != null) {
                    programState.storeExitValue();
                }
                break;
            case THROW_STATEMENT:
                ProgramState.Pop unstack = programState.unstackValue(1);
                SymbolicValue sv = unstack.values.get(0);
                if (sv instanceof SymbolicValue.CaughtExceptionSymbolicValue) {
                    // retrowing the exception from a catch block
                    sv = ((SymbolicValue.CaughtExceptionSymbolicValue) sv).exception();
                } else {
                    sv = constraintManager.createExceptionalSymbolicValue(((ThrowStatementTree) terminator).expression().symbolType());
                }
                programState = unstack.state.stackValue(sv);
                programState.storeExitValue();
                break;
            default:
        }
    }
    // unconditional jumps, for-statement, switch-statement, synchronized:
    if (exitPath) {
        if (block.exitBlock() != null) {
            enqueue(new ProgramPoint(block.exitBlock()), programState, true);
        } else {
            for (CFG.Block successor : block.successors()) {
                enqueue(new ProgramPoint(successor), programState, true);
            }
        }
    } else {
        for (CFG.Block successor : block.successors()) {
            if (!block.isFinallyBlock() || isDirectFlowSuccessorOf(successor, block)) {
                enqueue(new ProgramPoint(successor), programState, successor == block.exitBlock());
            }
        }
    }
}

Example 4 with ThrowStatementTree

use of org.sonar.plugins.java.api.tree.ThrowStatementTree in project sonar-java by SonarSource.

the class NPEThrowCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    if (hasSemantic()) {
        if (tree.is(Kind.THROW_STATEMENT)) {
            ExpressionTree expressionTree = ((ThrowStatementTree) tree).expression();
            raiseIssueOnNpe(expressionTree, expressionTree.symbolType());
        } else {
            for (TypeTree throwClause : ((MethodTree) tree).throwsClauses()) {
                raiseIssueOnNpe(throwClause, throwClause.symbolType());
            }
        }
    }
}