$documentation: "A statement consisting of an expression, i.e. a = 1 + 2."
}, AST_Statement);
-var AST_BlockStatement = DEFNODE("BlockStatement", null, {
+var AST_BlockStatement = DEFNODE("BlockStatement", "required", {
$documentation: "A block statement.",
_walk: function(visitor) {
return visitor._visit(this, function(){
return this;
});
- AST_Token.DEFMETHOD("squeeze", function(){
- return this;
- });
-
function SQUEEZE(nodetype, squeeze) {
nodetype.DEFMETHOD("squeeze", function(compressor){
compressor.push_node(this);
case "punc":
switch (S.token.value) {
case "{":
- return block_();
+ return block_(false);
case "[":
case "(":
return simple_statement();
S.in_directives = true;
S.in_loop = 0;
S.labels = [];
- var a = block_();
+ var a = block_(true);
--S.in_function;
S.in_loop = loop;
S.labels = labels;
});
};
- function block_() {
+ function block_(required) {
var start = S.token;
expect("{");
var a = [];
var end = S.token;
next();
return new AST_BlockStatement({
- start : start,
- body : a,
- end : end
+ required : required,
+ start : start,
+ body : a,
+ end : end
});
};
var end = S.token;
next();
return new AST_SwitchBlock({
- start : start,
- body : a,
- end : end
+ required : true,
+ start : start,
+ body : a,
+ end : end
});
}));
function try_() {
- var body = block_(), bcatch = null, bfinally = null;
+ var body = block_(true), bcatch = null, bfinally = null;
if (is("keyword", "catch")) {
var start = S.token;
next();
bcatch = new AST_Catch({
start : start,
argname : name,
- body : block_(),
+ body : block_(true),
end : prev()
});
}
next();
bfinally = new AST_Finally({
start : start,
- body : block_(),
+ body : block_(true),
end : prev()
});
}
// times on the same tree.
// pass 1: setup scope chaining and handle definitions
- var scope = null;
+ var scope = this.parent_scope;
var labels = {};
var tw = new TreeWalker(function(node, descend){
if (node instanceof AST_Scope) {