hg: jdk9/sandbox/langtools: 8175118: Revisit modeling of module directives

[chris.hegarty at oracle.com]

Changeset: 2f7f6c58dafd
Author:    jjg
Date:      2017-03-03 15:43 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/2f7f6c58dafd

8175118: Revisit modeling of module directives
Reviewed-by: darcy, jlahoda

! src/java.compiler/share/classes/javax/lang/model/element/ModuleElement.java
+ src/java.compiler/share/classes/javax/lang/model/element/UnknownDirectiveException.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Directive.java
+ test/tools/javac/modules/DirectiveVisitorTest.java