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Support a completely ANTLR/Java-free C++ build using the native Pratt parser #2332
Description
Original problem I was having is this is actually in protovalidate-cc: bufbuild/protovalidate-cc#123
Essentially allowing the option to completely remove the java requirement for consumers.
#2225 is relevant but I'm not sure it meets this.
Activity
jnthntatum commentedon Oct 13, 2026
The plan is to start default enabling the Pratt parser soonish. Most of our clients are google-internal so we can't make particular promises on what that timeline looks like. After that's done, we'll move the Antlr parser out of the main Bazel module. I expect we'll keep it for a little while as a reference / prototyping implementation.
Separately, we only test / maintain the build with Bazel in our regression tests (again, for internal compatibility reasons). Bazel needs a minimal JRE to work, but we shouldn't have any other dependencies that need to build / run java. https://bazel.build/install/ubuntu. We would like to eventually support CMake or otherwise better support non-Bazel build systems, but can't offer a timeline for that. #1215
Tagging @dmitriplotnikov who's been working on the Pratt parser.