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More fun with scripts/play.fun. No core code logic changes. (0.41.5)

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This commit is contained in:
Johannes Findeisen 2026-04-27 04:25:14 +02:00
commit 8e895dafcc
3 changed files with 101 additions and 5 deletions
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39
scripts/play Executable file
View file

@ -0,0 +1,39 @@
#!/usr/bin/env bash
set -euo pipefail
# Wrapper to run scripts/play.fun without requiring 'fun' on PATH.
# Honors FUN_BIN if provided, otherwise auto-detects a local build, then PATH.
ROOT="$(cd "$(dirname "$0")"/.. && pwd)"
PLAY_FUN="$ROOT/scripts/play.fun"
BIN="${FUN_BIN:-}"
if [[ -z "$BIN" ]]; then
# Try common local build locations
for cand in \
"$ROOT/build/fun" \
"$ROOT/build_debug/fun" \
"$ROOT/build_release/fun" \
"$ROOT/fun"; do
if [[ -x "$cand" ]]; then
BIN="$cand"
break
fi
done
fi
if [[ -z "$BIN" ]]; then
if command -v fun >/dev/null 2>&1; then
BIN="fun"
else
echo "error: fun interpreter not found. Set FUN_BIN or build it (e.g., CMake)." >&2
exit 2
fi
fi
# Ensure stdlib is discoverable unless user overrides
if [[ -z "${FUN_LIB_DIR:-}" ]]; then
export FUN_LIB_DIR="$ROOT/lib"
fi
exec "$BIN" "$PLAY_FUN" "$@"

65
scripts/play.fun
View file

@ -18,6 +18,46 @@
#include <cli.fun>
#include <strings.fun>
// Early argv scan so --help exits before any other side effects
raw_argv = argv()
yes_all = 0
no_all = 0
want_help = 0
idx = 0
argc = len(raw_argv)
while (idx < argc)
tok = raw_argv[idx]
if (tok == "--yes")
yes_all = 1
else if (tok == "--no")
no_all = 1
else if (tok == "--help")
want_help = 1
idx = idx + 1
if (want_help == 1)
print("Usage: scripts/play.fun [--yes | --no] [examples-subdir]")
print("")
print("Options:")
print(" --yes Run all listed examples without asking")
print(" --no Do not run any examples (show list only)")
print(" --help Show this help and exit")
print("")
print("Behavior:")
print(" - Without a subdirectory argument: only runs .fun files directly in ./examples/")
print(" - With an examples-subdir: searches recursively under ./examples/<subdir>/")
print("")
print("Environment:")
print(" FUN_BIN Path to the fun interpreter (overrides auto-detection)")
print(" FUN_LIB_DIR Path to stdlib (defaults to ./lib)")
print("")
print("Examples:")
print(" scripts/play.fun")
print(" scripts/play.fun --yes")
print(" scripts/play.fun crypto")
print(" scripts/play.fun --no math")
exit(0)
// Set FUN_LIB_DIR to ensure stdlib is found
// We try to use existing environment or default to ./lib
lib_dir = env("FUN_LIB_DIR")
@ -93,11 +133,15 @@ fun get_examples(subdir)
i = i + 1
return examples
args = parse_args(argv())
args = parse_args(raw_argv)
subdir = ""
if (len(args["positionals"]) > 0)
subdir = args["positionals"][0]
if (yes_all == 1 && no_all == 1)
print("Error: --yes and --no cannot be used together.")
exit(2)
examples = get_examples(subdir)
if (len(examples) == 0)
if (len(subdir) > 0)
@ -117,9 +161,22 @@ while (i < n)
print("Example: " + example)
// ask_yes_no returns 1 for yes, 0 for no
print("Do you want to run this example? [y/N]")
ans = str_to_lower(str_trim(input("")))
if (ans == "y" || ans == "yes")
run_it = 0
if (yes_all == 1)
// Auto-approve running
run_it = 1
else if (no_all == 1)
// Auto-decline
run_it = 0
else
print("Do you want to run this example? [y/N]")
ans = str_to_lower(str_trim(input("")))
if (ans == "y" || ans == "yes")
run_it = 1
else
run_it = 0
if (run_it == 1)
print("Running: " + interpreter + " " + example)
// Prepare command with environment variable