From c51a91c4706022f9dc3972c41ef5cf25ea034b0f Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Mon, 4 Apr 2022 13:44:01 -0400
Subject: [PATCH] Git bookkeeping

---
 .gitignore                   | 1 +
 tests/27-left-recursion.in   | 1 +
 tests/27-left-recursion.out  | 1 +
 tests/27-left-recursion.sh   | 2 ++
 tests/28-left-recursion2.in  | 3 +++
 tests/28-left-recursion2.out | 3 +++
 tests/28-left-recursion2.sh  | 2 ++
 7 files changed, 13 insertions(+)
 create mode 100644 tests/27-left-recursion.in
 create mode 100644 tests/27-left-recursion.out
 create mode 100644 tests/27-left-recursion.sh
 create mode 100644 tests/28-left-recursion2.in
 create mode 100644 tests/28-left-recursion2.out
 create mode 100644 tests/28-left-recursion2.sh

diff --git a/.gitignore b/.gitignore
index 6b8f9d0..004ac2d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ tags
 bp
 .*
 !.gitignore
+/Lua/builtins.h
diff --git a/tests/27-left-recursion.in b/tests/27-left-recursion.in
new file mode 100644
index 0000000..1aa84aa
--- /dev/null
+++ b/tests/27-left-recursion.in
@@ -0,0 +1 @@
+xyyyyyy
diff --git a/tests/27-left-recursion.out b/tests/27-left-recursion.out
new file mode 100644
index 0000000..ae7e257
--- /dev/null
+++ b/tests/27-left-recursion.out
@@ -0,0 +1 @@
+{xyyyyyy}
diff --git a/tests/27-left-recursion.sh b/tests/27-left-recursion.sh
new file mode 100644
index 0000000..ec11cab
--- /dev/null
+++ b/tests/27-left-recursion.sh
@@ -0,0 +1,2 @@
+# Left recursion should work
+bp -p 'xys: (xys / `x) `y; xys => "{@0}"'
diff --git a/tests/28-left-recursion2.in b/tests/28-left-recursion2.in
new file mode 100644
index 0000000..b52b9a9
--- /dev/null
+++ b/tests/28-left-recursion2.in
@@ -0,0 +1,3 @@
+ab!
+ab!c!
+ab!cd!!
diff --git a/tests/28-left-recursion2.out b/tests/28-left-recursion2.out
new file mode 100644
index 0000000..1c4911e
--- /dev/null
+++ b/tests/28-left-recursion2.out
@@ -0,0 +1,3 @@
+{ab!}
+{ab!c!}
+{ab!cd!!}
diff --git a/tests/28-left-recursion2.sh b/tests/28-left-recursion2.sh
new file mode 100644
index 0000000..995f82c
--- /dev/null
+++ b/tests/28-left-recursion2.sh
@@ -0,0 +1,2 @@
+# Left recursion has some tricky edge cases like this:
+bp -p 'foo: (foo / `a-z) (foo / `a-z) `!; foo => "{@0}"'