hg: jdk/sandbox: 2 new changesets

[jan.lahoda at oracle.com]

Changeset: d6ddb48bb34a
Author:    jlahoda
Date:      2019-03-15 14:19 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/d6ddb48bb34a

Initial changes for jlahoda-tree-builder


Changeset: 97aaf02ed830
Author:    jlahoda
Date:      2019-03-15 14:21 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/97aaf02ed830

A first very crude experiment on a tree builder for javac.
Contributed-by: maurizio.cimadamore at oracle.com, jan.lahoda at oracle.com

+ src/jdk.compiler/share/classes/com/sun/source/util/TreeBuilder.java
! src/jdk.compiler/share/classes/com/sun/source/util/Trees.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/api/JavacTrees.java
+ src/jdk.compiler/share/classes/com/sun/tools/javac/api/TreeBuilderImpl.java
+ test/langtools/tools/javac/api/ast/ASTBuilder.java