Examples with AbstractParentExprNode com.google.template.soy.exprtree.AbstractParentExprNode used on opensource projects

Example 1 with AbstractParentExprNode

use of com.google.template.soy.exprtree.AbstractParentExprNode in project closure-templates by google.

the class TranslateToPyExprVisitor method visitLegacyObjectMapLiteralOrMapLiteralNode.

private PyExpr visitLegacyObjectMapLiteralOrMapLiteralNode(AbstractParentExprNode node) {
    Preconditions.checkState(node.getKind() == ExprNode.Kind.LEGACY_OBJECT_MAP_LITERAL_NODE || node.getKind() == ExprNode.Kind.MAP_LITERAL_NODE);
    Preconditions.checkArgument(node.numChildren() % 2 == 0);
    Map<PyExpr, PyExpr> dict = new LinkedHashMap<>();
    boolean needsRuntimeNullCheck = node.getKind() == ExprNode.Kind.MAP_LITERAL_NODE;
    for (int i = 0, n = node.numChildren(); i < n; i += 2) {
        ExprNode keyNode = node.getChild(i);
        PyExpr key = visit(keyNode);
        if (needsRuntimeNullCheck) {
            key = new PyFunctionExprBuilder("runtime.check_not_null").addArg(key).asPyExpr();
        }
        ExprNode valueNode = node.getChild(i + 1);
        dict.put(key, visit(valueNode));
    }
    // to index into the map with the wrong convention.
    return PyExprUtils.convertMapToOrderedDict(dict);
}

Example 2 with AbstractParentExprNode

use of com.google.template.soy.exprtree.AbstractParentExprNode in project closure-templates by google.

the class EvalVisitor method visitLegacyObjectMapLiteralOrMapLiteralNode.

private SoyValue visitLegacyObjectMapLiteralOrMapLiteralNode(AbstractParentExprNode node) {
    checkState(node.getKind() == ExprNode.Kind.LEGACY_OBJECT_MAP_LITERAL_NODE || node.getKind() == ExprNode.Kind.MAP_LITERAL_NODE);
    int numItems = node.numChildren() / 2;
    boolean isStringKeyed = true;
    ExprNode firstNonstringKeyNode = null;
    List<SoyValue> keys = Lists.newArrayListWithCapacity(numItems);
    List<SoyValue> values = Lists.newArrayListWithCapacity(numItems);
    for (int i = 0; i < numItems; i++) {
        SoyValue key = visit(node.getChild(2 * i));
        if (isStringKeyed && !(key instanceof StringData)) {
            isStringKeyed = false;
            // temporary until we support nonstring key
            firstNonstringKeyNode = node.getChild(2 * i);
        }
        keys.add(key);
        values.add(visit(node.getChild(2 * i + 1)));
    }
    if (node.getKind() == ExprNode.Kind.LEGACY_OBJECT_MAP_LITERAL_NODE) {
        if (!isStringKeyed) {
            throw RenderException.create(String.format("legacy_object_map literals must have string keys (key \"%s\" in map %s does not " + "evaluate to a string).", firstNonstringKeyNode.toSourceString(), node.toSourceString()));
        }
        // Not an ImmutableMap, because map literals allow duplicate keys (last one wins).
        Map<String, SoyValue> map = new LinkedHashMap<>();
        for (int i = 0; i < numItems; i++) {
            map.put(keys.get(i).stringValue(), values.get(i));
        }
        return DictImpl.forProviderMap(map, RuntimeMapTypeTracker.Type.LEGACY_OBJECT_MAP_OR_RECORD);
    } else {
        ImmutableMap.Builder<SoyValue, SoyValue> builder = ImmutableMap.builder();
        for (int i = 0; i < numItems; ++i) {
            SoyValue key = keys.get(i);
            SoyValue value = values.get(i);
            if (isNullOrUndefinedBase(key)) {
                throw RenderException.create(String.format("null key in entry: null=%s", value));
            }
            builder.put(key, value);
        }
        return SoyMapImpl.forProviderMap(builder.build());
    }
}