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#!/bin/bash
# full check: bootstraps the compiler from zc0, verifies the fixpoint, then runs
# the examples and tests on the portable interpreter (host) and on the arm64
# jit under qemu. needs gcc; the jit half needs aarch64-linux-gnu-gcc and
# qemu-aarch64 (it's skipped if they're missing).
cd "$(dirname "$0")"; T=$(mktemp -d); trap 'rm -rf $T' EXIT
ok=0; bad=0
chk(){ if [ "$1" = "$2" ]; then echo "ok $3"; ok=$((ok+1)); else echo "FAIL $3: got [$1]"; bad=$((bad+1)); fi; }
src(){ cat src/rt.zc src/compiler.zc; }
selfc(){ (cat tools/build.zc; printf '`'; src) | $1 > $2; }
# bootstrap: zc0 (c) -> g0, g0 compiles compiler.zc -> g1, g1 compiles it -> g2
gcc -O1 -w zc0.c -o $T/zc0 && gcc -O1 -w mkgenome.c -o $T/mkg || exit 1
mkdir $T/s0 $T/s1
cp core.c io_linux.c $T/s0/; cp core.c io_linux.c $T/s1/
src | $T/zc0 > $T/s0/genome.h || exit 1
gcc -O2 -w -DJTYPE=int $T/s0/core.c $T/s0/io_linux.c -o $T/zy0
selfc $T/zy0 $T/g1.bin; $T/mkg < $T/g1.bin > $T/s1/genome.h
gcc -O2 -w -DJTYPE=int $T/s1/core.c $T/s1/io_linux.c -o $T/zy1
selfc $T/zy1 $T/g2.bin
cmp -s $T/g1.bin $T/g2.bin && chk 1 1 "fixpoint: the compiler compiles itself to the same $(($(stat -c %s $T/g1.bin) / 4)) words" || chk 0 1 "fixpoint"
cmp -s $T/s1/genome.h genome.h && chk 1 1 "genome.h is up to date" || chk 0 1 "genome.h is stale (cp the bootstrap output over it)"
run(){ # $1 = vm command, $2 = label
local vm="$1" l="$2"
chk "$($vm < examples/hello.zc)" "hello, world!" "$l hello"
chk "$($vm < examples/fact.zc | tr '\n' '/')" "1101110101111100000000/3628800/" "$l factorial"
chk "$( (cat examples/echo.zc; printf '`abc\n') | $vm)" "abc" "$l echo after the backtick"
chk "$($vm < examples/selfpatch.zc)" "ABC" "$l self-patching code"
chk "$($vm < examples/lists.zc | tr '\n' '/')" "[0 1 4 9 16 25]/live: 7/after the block: 0/" "$l ownership frees everything"
chk "$( (cat examples/repl.zc; printf '`fn sq(x) { return x * x; }`putn(sq(7)); putc(10);`puts("hi\\n");') | $vm | tr '\n' '/')" "49/hi/" "$l repl on the resident compiler"
chk "$($vm < tests/basics.zc | tr '\n' '/')" "285 610 42 512/hey 65 -3 -2 1024 -8/12456/757/9 100-101/5/ok/" "$l language basics"
chk "$($vm < tests/umd.zc)" "100 6 0 15 99 5 5" "$l u m d lifetimes"
chk "$($vm < tests/gc.zc)" "1000 1 900 1 199900" "$l mark-sweep collector"
chk "$($vm < tests/meta.zc | tr '\n' '/')" "1024 19/unless ok/rrr/15 42/7/42/7/144/" "$l parse words, quote, eval, load, operator tables"
chk "$($vm < tests/misc.zc | tr '\n' '/')" "45/54321/ok/" "$l compile-time eval, patched mnemonics, unchecked"
local r; r=$(tests/runerr.sh "$vm" | tail -1)
chk "$r" "analyzer rejects: $(ls tests/errors/*.zc | wc -l) passed, 0 failed" "$l analyzer rejects every bad program"
}
gcc -O2 -w -DJTYPE=int core.c io_linux.c -o $T/zy
run $T/zy "interp"
if command -v aarch64-linux-gnu-gcc >/dev/null && command -v qemu-aarch64 >/dev/null; then
aarch64-linux-gnu-gcc -O2 -w -DJTYPE=int -static core.c io_linux.c -o $T/zyj || exit 1
printf '#!/bin/sh\nexec qemu-aarch64 %s "$@"\n' $T/zyj > $T/jit; chmod +x $T/jit
run $T/jit "jit"
selfc $T/jit $T/gj.bin; cmp -s $T/g1.bin $T/gj.bin && chk 1 1 "jit self-compile matches" || chk 0 1 "jit self-compile matches"
else echo "skip jit (no aarch64 toolchain or qemu)"; fi
echo "$ok passed, $bad failed"; [ $bad = 0 ]
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