hg: kulla/dev/langtools: 8136423: JShell: rationalize TreeDependencyScanner. Per review, changed TreeDependencyScanner to Void returns and removed reduce and scanDeclaration. Also changed decl/body logic to nest 'correctly' even though this distinction is not currently used. And other clean-up.

[robert.field at oracle.com]

Changeset: ffc330edec8b
Author:    rfield
Date:      2015-09-11 22:56 -0700
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/ffc330edec8b

8136423: JShell: rationalize TreeDependencyScanner. Per review, changed TreeDependencyScanner to Void returns and removed reduce and scanDeclaration. Also changed decl/body logic to nest 'correctly' even though this distinction is not currently used.  And other clean-up.

! src/jdk.jshell/share/classes/jdk/jshell/DeclarationSnippet.java
! src/jdk.jshell/share/classes/jdk/jshell/Eval.java
! src/jdk.jshell/share/classes/jdk/jshell/TreeDependencyScanner.java