hg: panama/dev: 8202907: Consolidate the design and implementation of the nicl support

[henry.jen at oracle.com]

Changeset: 172e672f00ff
Author:    henryjen
Date:      2018-06-01 09:17 -0700
URL:       http://hg.openjdk.java.net/panama/dev/rev/172e672f00ff

8202907: Consolidate the design and implementation of the nicl support
* Fix jclang-ffi source
* Add test for null pointer

! src/java.base/share/classes/java/nicl/NativeTypes.java
! src/java.base/share/classes/java/nicl/Scope.java
! src/java.base/share/classes/jdk/internal/nicl/abi/AbstractABI.java
! src/java.base/share/classes/jdk/internal/nicl/abi/SystemABI.java
! src/java.base/share/classes/jdk/internal/nicl/abi/sysv/x64/SysVx64ABI.java
! test/jdk/com/sun/tools/jextract/StructTest.java
! test/jdk/com/sun/tools/jextract/jclang-ffi/src/jdk/internal/clang/Index.java
! test/jdk/com/sun/tools/jextract/jclang-ffi/src/jdk/internal/clang/LibClang.java
! test/jdk/com/sun/tools/jextract/jclang-ffi/src/jdk/internal/clang/SourceLocation.java
! test/jdk/com/sun/tools/jextract/jclang-ffi/src/jdk/internal/clang/TranslationUnit.java
! test/jdk/com/sun/tools/jextract/struct.h
! test/jdk/java/nicl/types/PointerTest.java
! test/jdk/java/nicl/types/libPointers.c