Martin Duhem a80966e394 Handle macros that have themselves as original tree
It has been reported in sbt/sbt#1237 that stack overflows may occur during the
extraction of used names (and later of dependencies between files). This
problem has been introduced by sbt/sbt#1163, which was about recording the
dependencies of macro arguments.

When a macro is expanded, the compiler attaches the tree before expansion to
the tree representing the expanded macro. As of Scala 2.11-RC3, some macros
have themselves attached as original tree, which caused the same macro to be
inspected over and over until a stack overflow.

This commit solves this problem by making sure that the original of a macro
expansion will be inspected if and only if it is different from the expanded
tree.

Fixes sbt/sbt#1237
2014-04-07 11:33:47 +02:00
2013-02-25 09:24:04 -05:00
2014-04-04 10:10:40 +01:00
2014-03-29 13:41:28 -04:00
2014-03-29 13:41:28 -04:00
2013-12-19 18:32:01 -05:00
2013-04-25 00:06:51 +08:00
2013-12-10 10:18:42 -05:00
2013-06-28 19:06:56 -04:00

sbt 0.13

This is the 0.13.x series of sbt.

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