Release v0.2.0

Features

• FlatBuffers support.
• Enriched parsing support for capturing the end position of parse tokens in addition to the start positions.
• Expose an option to the Activation binding helper for configuring whether unset proto fields are exposed as their default values.

Fixes

• Upgrade the ANTLR C++ runtime to v4.7.2 to fix a thread-safety issue.
• Added an alwayslink = 1 flag to ensure bazel builds work on OS X.
• Migrate towards absl::Status
• Fix unknown handling to consider whether a function is strict / non-strict

Initial release of CEL C++ runtime

This is the initial release of CEL C++ runtime.

Supported features:

• interpreter runtime;
• runtime complexity controls;
• constant folding optimization pass;
• adapter for protobuf messages;
• parser implementation;
• conformance to a subset of CEL specification.