Add pure C89 Peppermint interpreter

2026-08-17 23:07:09 +00:00
commit 6feabea6cb
5 changed files with 678 additions and 0 deletions
@@ -0,0 +1,27 @@
+#!/bin/sh
+set -eu
+
+make clean
+make
+output=$(./peppermint smoke.ppm argument)
+expected='hello peppermint
+argument'
+if [ "$output" != "$expected" ]; then
+    printf '%s\n' "unexpected smoke output:" "$output" >&2
+    exit 1
+fi
+
+cat > /tmp/peppermint-c89-test.ppm <<'EOF'
+let a := 7
+let b := a * 3
+b + 2
+@env:PEPPERMINT_TEST_MISSING
+EOF
+output=$(PEPPERMINT_TEST_MISSING= ./peppermint /tmp/peppermint-c89-test.ppm)
+expected='23
+None'
+if [ "$output" != "$expected" ]; then
+    printf '%s\n' "unexpected arithmetic output:" "$output" >&2
+    exit 1
+fi
+printf '%s\n' 'C89 smoke tests passed'