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

Example 36 with Block

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

the class EnumRewriter method addSimpleNonArcInitialization.

private void addSimpleNonArcInitialization(EnumDeclaration node) {
    List<EnumConstantDeclaration> constants = node.getEnumConstants();
    List<Statement> stmts = node.getClassInitStatements().subList(0, 0);
    stmts.add(new NativeStatement("size_t objSize = class_getInstanceSize(self);"));
    stmts.add(new NativeStatement(UnicodeUtils.format("size_t allocSize = %s * objSize;", constants.size())));
    stmts.add(new NativeStatement("uintptr_t ptr = (uintptr_t)calloc(allocSize, 1);"));
    VariableElement localEnum = GeneratedVariableElement.newLocalVar("e", TypeUtil.ID_TYPE, null);
    stmts.add(new VariableDeclarationStatement(localEnum, null));
    StringBuffer sb = new StringBuffer("id names[] = {\n  ");
    for (EnumConstantDeclaration constant : node.getEnumConstants()) {
        sb.append("@\"" + ElementUtil.getName(constant.getVariableElement()) + "\", ");
    }
    sb.append("\n};");
    stmts.add(new NativeStatement(sb.toString()));
    TypeMirror intType = typeUtil.getInt();
    GeneratedVariableElement loopCounterElement = GeneratedVariableElement.newLocalVar("i", intType, TreeUtil.getEnclosingElement(node));
    VariableDeclarationExpression loopCounter = new VariableDeclarationExpression().setType(Type.newType(loopCounterElement.asType())).addFragment(new VariableDeclarationFragment(loopCounterElement, TreeUtil.newLiteral(0, typeUtil)));
    Expression loopTest = new InfixExpression().setOperator(InfixExpression.Operator.LESS).setTypeMirror(intType).addOperand(new SimpleName(loopCounterElement)).addOperand(TreeUtil.newLiteral(constants.size(), typeUtil));
    Expression loopUpdater = new PostfixExpression(loopCounterElement, PostfixExpression.Operator.INCREMENT);
    Block loopBody = new Block();
    stmts.add(new ForStatement().addInitializer(loopCounter).setExpression(loopTest).addUpdater(loopUpdater).setBody(loopBody));
    String enumClassName = nameTable.getFullName(node.getTypeElement());
    loopBody.addStatement(new NativeStatement("(" + enumClassName + "_values_[i] = e = objc_constructInstance(self, (void *)ptr), ptr += objSize);"));
    loopBody.addStatement(new NativeStatement(enumClassName + "_initWithNSString_withInt_(e, names[i], i);"));
}

Example 37 with Block

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

the class RewriterTest method testLabeledBreakWithNonBlockParent.

public void testLabeledBreakWithNonBlockParent() throws IOException {
    List<Statement> stmts = translateStatements("int i = 0; if (i == 0) outer: for (; i < 10; i++) { " + "for (int j = 0; j < 10; j++) { break outer; }}");
    assertEquals(2, stmts.size());
    Statement s = stmts.get(1);
    assertTrue(s instanceof IfStatement);
    s = ((IfStatement) s).getThenStatement();
    assertTrue(s instanceof Block);
    stmts = ((Block) s).getStatements();
    assertEquals(2, stmts.size());
    s = stmts.get(0);
    // not LabeledStatement
    assertTrue(s instanceof ForStatement);
    ForStatement fs = (ForStatement) s;
    Statement forStmt = fs.getBody();
    assertTrue(forStmt instanceof Block);
    assertEquals(1, ((Block) forStmt).getStatements().size());
    Statement labelStmt = stmts.get(1);
    assertTrue(labelStmt instanceof LabeledStatement);
    assertTrue(((LabeledStatement) labelStmt).getBody() instanceof EmptyStatement);
}

Example 38 with Block

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

the class SwitchRewriterTest method testVariableDeclarationsInSwitchStatement2.

public void testVariableDeclarationsInSwitchStatement2() throws IOException {
    CompilationUnit unit = translateType("A", "public class A { public void doSomething(int i) { switch (i) { " + "case 1: int j = i * 2; log(j); break; " + "case 2: log(i); break; " + "case 3: log(i); int k = i, l = 42; break; }}" + "private void log(int i) {}}");
    TypeDeclaration testType = (TypeDeclaration) unit.getTypes().get(0);
    // First MethodDeclaration is the implicit default constructor.
    MethodDeclaration method = TreeUtil.getMethodDeclarationsList(testType).get(1);
    List<Statement> stmts = method.getBody().getStatements();
    assertEquals(1, stmts.size());
    Block block = (Block) stmts.get(0);
    stmts = block.getStatements();
    if (options.isJDT()) {
        assertEquals(3, stmts.size());
        assertTrue(stmts.get(0) instanceof VariableDeclarationStatement);
        assertTrue(stmts.get(1) instanceof VariableDeclarationStatement);
        assertTrue(stmts.get(2) instanceof SwitchStatement);
    } else {
        assertEquals(4, stmts.size());
        assertTrue(stmts.get(0) instanceof VariableDeclarationStatement);
        assertTrue(stmts.get(1) instanceof VariableDeclarationStatement);
        assertTrue(stmts.get(2) instanceof VariableDeclarationStatement);
        assertTrue(stmts.get(3) instanceof SwitchStatement);
    }
}