git: openjdk/babylon: code-reflection: Add SSA id dependency viewer tool + DotViewer infra

[Gary Frost]

Changeset: 32671792
Branch: code-reflection
Author:    Gary Frost <gfrost at openjdk.org>
Date:      2025-08-02 12:49:43 +0000
URL:       https://git.openjdk.org/babylon/commit/326717927244f691793cb11ffb2027c0175910a0

Add SSA id dependency viewer tool + DotViewer infra

+ hat/tools/src/main/java/hat/tools/jdot/DotBuilder.java
+ hat/tools/src/main/java/hat/tools/jdot/ui/JDot.java
+ hat/tools/src/main/java/hat/tools/json/Json.java
+ hat/tools/src/main/java/hat/tools/json/JsonArray.java
+ hat/tools/src/main/java/hat/tools/json/JsonBoolean.java
+ hat/tools/src/main/java/hat/tools/json/JsonNull.java
+ hat/tools/src/main/java/hat/tools/json/JsonNumber.java
+ hat/tools/src/main/java/hat/tools/json/JsonObject.java
+ hat/tools/src/main/java/hat/tools/json/JsonParseException.java
+ hat/tools/src/main/java/hat/tools/json/JsonString.java
+ hat/tools/src/main/java/hat/tools/json/JsonValue.java
+ hat/tools/src/main/java/hat/tools/json/impl/JsonArrayImpl.java
+ hat/tools/src/main/java/hat/tools/json/impl/JsonBooleanImpl.java
+ hat/tools/src/main/java/hat/tools/json/impl/JsonNullImpl.java
+ hat/tools/src/main/java/hat/tools/json/impl/JsonNumberImpl.java
+ hat/tools/src/main/java/hat/tools/json/impl/JsonObjectImpl.java
+ hat/tools/src/main/java/hat/tools/json/impl/JsonParser.java
+ hat/tools/src/main/java/hat/tools/json/impl/JsonStringImpl.java
+ hat/tools/src/main/java/hat/tools/json/impl/Utils.java
! hat/tools/src/main/java/hat/tools/textmodel/ui/AbstractTextModelViewer.java
! hat/tools/src/main/java/hat/tools/textmodel/ui/FuncOpTextModelViewer.java
! hat/tools/src/main/java/hat/tools/textmodel/ui/JavaTextModelViewer.java
+ hat/tools/src/main/java/hat/tools/textmodel/ui/SSAIDViewer.java
! hat/tools/src/main/java/hat/tools/textmodel/ui/TextGutter.java
! hat/tools/src/main/java/hat/tools/textmodel/ui/TextViewer.java