[loose parser] Support tabSize option

2013-01-16 17:53:37 +01:00
parent 3981dfa133
commit d08144c1d7
1 changed files with 2 additions and 1 deletions
--- a/acorn_loose.js
+++ b/acorn_loose.js
@@ -40,6 +40,7 @@
    if (!opts) opts = {};
    input = String(inpt);
    options = opts;
+    if (!opts.tabSize) opts.tabSize = 4;
    fetchToken = acorn.tokenize(inpt, opts);
    next();
    return parseTopLevel();
@@ -126,7 +127,7 @@
    for (var cur = lineStart(pos), count = 0; cur < pos; ++cur) {
      var ch = input.charCodeAt(cur);
      if (ch === 32) ++count;
-      else if (ch === 9) count += 4;
+      else if (ch === 9) count += options.tabSize;
    }
    return count;
  }