From a2c00f9ed450ef0f544687dc289a1f77fea72db0 Mon Sep 17 00:00:00 2001
From: Nick Walker <nick@nickwalker.us>
Date: Sat, 4 Jan 2025 05:53:41 +0000
Subject: [PATCH] Add heuristic for Linear Programming

Linear programs must have an objective
---
 lib/linguist/heuristics.yml | 5 +++++
 test/test_heuristics.rb     | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/lib/linguist/heuristics.yml b/lib/linguist/heuristics.yml
index 923303e6d..e564e9397 100644
--- a/lib/linguist/heuristics.yml
+++ b/lib/linguist/heuristics.yml
@@ -417,6 +417,11 @@ disambiguations:
     pattern: '^import [a-z]'
   - language: Lean 4
     pattern: '^import [A-Z]'
+- extensions: ['.lp']
+  rules:
+  - language: Linear Programming
+    pattern: '^(End|end|END|Minimize|Maximize)$'
+  - language: Answer Set Programming
 - extensions: ['.ls']
   rules:
   - language: LoomScript
diff --git a/test/test_heuristics.rb b/test/test_heuristics.rb
index ed2800210..fd69b0060 100755
--- a/test/test_heuristics.rb
+++ b/test/test_heuristics.rb
@@ -615,6 +615,13 @@ def test_lisp_by_heuristics
     }, "main.lisp")
   end
 
+   def test_lp_by_heuristics
+    assert_heuristics({
+      "Answer Set Programming" => all_fixtures("Answer Set Programming", "*.lp"),
+      "Linear Programming" => all_fixtures("Linear Programming", "*.lp")
+    })
+  end
+
   def test_ls_by_heuristics
     assert_heuristics({
       "LiveScript" => all_fixtures("LiveScript", "*.ls"),