Examples with Expression com.google.devtools.j2objc.ast.Expression used on opensource projects

Example 11 with Expression

use of com.google.devtools.j2objc.ast.Expression in project j2objc by google.

the class UnsequencedExpressionRewriter method visit.

@Override
public boolean visit(ForStatement node) {
    List<Expression> initializers = node.getInitializers();
    // expression or a list of initializer expressions.
    if (initializers.size() == 1 && initializers.get(0) instanceof VariableDeclarationExpression) {
        VariableDeclarationExpression decl = (VariableDeclarationExpression) initializers.get(0);
        extractVariableDeclarationFragments(decl.getFragments(), TreeUtil.asStatementList(node).subList(0, 0));
    } else {
        extractExpressionList(initializers, TreeUtil.asStatementList(node).subList(0, 0), false);
    }
    Expression expr = node.getExpression();
    if (expr != null) {
        newExpression(expr);
        expr.accept(this);
        List<VariableAccess> toExtract = getUnsequencedAccesses();
        if (!toExtract.isEmpty()) {
            // Convert "if (;cond;)" into "if (;;) { if (!(cond)) break; ...}".
            List<Statement> stmtList = TreeUtil.asStatementList(node.getBody()).subList(0, 0);
            extractOrderedAccesses(stmtList, currentTopNode, toExtract);
            stmtList.add(createLoopTermination(node.getExpression()));
            node.setExpression(null);
        }
    }
    extractExpressionList(node.getUpdaters(), TreeUtil.asStatementList(node.getBody()), true);
    node.getBody().accept(this);
    return false;
}

Example 12 with Expression

use of com.google.devtools.j2objc.ast.Expression in project j2objc by google.

the class NilCheckResolver method visit.

@Override
public boolean visit(ClassInstanceCreation node) {
    Expression outerTarget = node.getExpression();
    if (outerTarget != null) {
        outerTarget.accept(this);
        addNilCheck(outerTarget);
    }
    Expression superOuterArg = node.getSuperOuterArg();
    if (superOuterArg != null) {
        superOuterArg.accept(this);
        addNilCheck(superOuterArg);
    }
    for (Expression arg : node.getArguments()) {
        arg.accept(this);
    }
    // Don't need to visit AnonymousClassDeclaration child because it's removed by
    // AnonymousClassConverter.
    removeNonFinalFields();
    handleThrows();
    return false;
}

Example 13 with Expression

use of com.google.devtools.j2objc.ast.Expression in project j2objc by google.

the class NilCheckResolver method visit.

@Override
public boolean visit(ForStatement node) {
    for (Expression initializer : node.getInitializers()) {
        initializer.accept(this);
    }
    pushLoopOrSwitchScope(getStatementLabel(node));
    for (int i = 0; i < 2; i++) {
        Expression expr = node.getExpression();
        if (expr != null) {
            expr.accept(this);
            // Merge loop exit
            scope.mergeInto(scope.next, getSafeVarsFalse(expr));
            addSafeVars(getSafeVarsTrue(expr));
        }
        pushScope();
        node.getBody().accept(this);
        popAndMerge();
        for (Expression updater : node.getUpdaters()) {
            updater.accept(this);
        }
    }
    popWithoutMerge();
    return false;
}

Example 14 with Expression

use of com.google.devtools.j2objc.ast.Expression in project j2objc by google.

the class NilCheckResolver method visit.

@Override
public boolean visit(SuperConstructorInvocation node) {
    Expression outerTarget = node.getExpression();
    if (outerTarget != null) {
        outerTarget.accept(this);
        addNilCheck(outerTarget);
    }
    for (Expression arg : node.getArguments()) {
        arg.accept(this);
    }
    removeNonFinalFields();
    handleThrows();
    return false;
}

Example 15 with Expression

use of com.google.devtools.j2objc.ast.Expression in project j2objc by google.

the class NilCheckResolver method visit.

@Override
public boolean visit(DoStatement node) {
    pushLoopOrSwitchScope(getStatementLabel(node));
    for (int i = 0; i < 2; i++) {
        pushScope();
        node.getBody().accept(this);
        popAndMerge();
        Expression expr = node.getExpression();
        expr.accept(this);
        // Merge loop exit
        scope.mergeInto(scope.next, getSafeVarsFalse(expr));
        addSafeVars(getSafeVarsTrue(expr));
    }
    popWithoutMerge();
    return false;
}