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Allow multiple top-level nodes

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Now, the root node of a document is always a document node.
It will often have only one child node which corresponds to the grammar's
start symbol, but not always. Currently, it may have more than one child
if there are ubiquitous tokens such as comments at the beginning of the
document. In the future, it will also be possible be possible to have multiple
for the document to have multiple children if the document is partially parsed.
This commit is contained in:
Max Brunsfeld 2014-08-08 23:58:59 -07:00
parent 9302080aa6
commit 1e79ed794b
17 changed files with 78 additions and 39 deletions
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4
spec/runtime/languages/javascript/literals.txt
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@ -39,7 +39,7 @@ var x = {
(statement_block (var_declaration (identifier) (identifier)))))))
==========================================
parses comments. TODO - leading comments
parses comments
==========================================
// this is the beginning of the script.
// here we go.
@ -54,6 +54,8 @@ var thing = {
}
};
---
(comment)
(comment)
(program
(var_declaration (identifier) (object
(comment)