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Fix a bug in setting global variables.

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Setting a global variable would clobber any local variables with the
same name.
This commit is contained in:
Natalie Weizenbaum 2016-11-01 14:08:25 -07:00
parent 9d4efd2120
commit 17e29fd06e
1 changed files with 3 additions and 1 deletions
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4
lib/src/environment.dart
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@ -166,7 +166,9 @@ class Environment {
/// previous scope. If it's undefined, it'll set it in the current scope.
void setVariable(String name, Value value, {bool global: false}) {
if (global || _variables.length == 1) {
_variableIndices[name] = 0;
// Don't set the index if there's already a variable with the given name,
// since local accesses should still return the local variable.
_variableIndices.putIfAbsent(name, () => 0);
_variables.first[name] = value;
return;
}