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Author SHA1 Message Date
serge-sans-paille f51ab18716 Make clangd CompletionModel usable even with non-standard (but supported) layout 
llvm supports specifying a non-standard layout where each project lies in its
own place. Do not assume a fixed layout and use the appropriate cmake variable
instead.

Differential Revision: https://reviews.llvm.org/D96787
 2021-03-22 10:05:25 +01:00
Utkarsh Saxena 985deba931 Revert "Temporarily Revert "[clangd] Add Random Forest runtime for code completion."" 
We intend to replace heuristics based code completion ranking with a Decision Forest Model.

This patch introduces a format for representing the model and an inference runtime that is code-generated at build time.
- Forest.json contains all the trees as an array of trees.
- Features.json describes the features to be used.
- Codegen file takes the above two files and generates CompletionModel containing Feature struct and corresponding Evaluate function.
   The Evaluate function maps a feature to a real number describing the relevance of this candidate.
- The codegen is part of build system and these files are generated at build time.
- Proposes a way to test the generated runtime using a test model.
  - Replicates the model structure in unittests.
  - unittest tests both the test model (for correct tree traversal) and the real model (for sanity).

This reverts commit 549e55b3d5.
 2020-09-19 10:54:04 +02:00
Eric Christopher 549e55b3d5 Temporarily Revert "[clangd] Add Random Forest runtime for code completion." 
as a header doesn't appear to have made it into the commit.

This reverts commit 9b6765e784 and followup
 2020-09-18 14:47:43 -07:00
Utkarsh Saxena 9b6765e784 [clangd] Add Random Forest runtime for code completion. 
Summary:
[WIP]
- Proposes a json format for representing Random Forest model.
- Proposes a way to test the generated runtime using a test model.

TODO:
- Add generated source code snippet for easier review.
- Fix unused label warning.
- Figure out required using declarations for CATEGORICAL columns from Features.json.
- Necessary Google3 internal modifications for blaze before landing.
- Add documentation for format of the model.
- Document more.

Subscribers: mgorny, ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D83814
 2020-09-18 19:25:56 +02:00