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The compiler carries its runtime and std inside itself; host module for the system it runs on

Browse source 
src/embedded.fch (made by tools/pack.fch, checked by tests/run.sh) holds runtime/finch_rt.c and std/; when they aren't
beside the binary they're written to the cache folder once. All the sh/cmd specifics of the driver (quoting, temp dir,
mkdir, rm, mv, null device, path separator, cache dir, binary stdio) moved into host.fch / host_windows.fch.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015f73FesGZGYPkmDvUcj6QX
This commit is contained in:
Nexoniarz 2026-10-25 22:32:02 +01:00
commit 837ad45177
12 changed files with 354 additions and 59 deletions
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6
bootstrap/build.sh
View file

@ -6,8 +6,8 @@
# bootstrap/build.sh seed also write bootstrap/<system>.ll anew (do this when the compiler got a feature
# its own source uses, or the seed is old: the next build starts from it)
#
# Needs clang and libclang (the C headers are read through it). The compiler is then in build/finch; it looks for the
# runtime and the standard library next to build/, in runtime/ and std/.
# Needs clang and libclang (the C headers are read through it). The compiler is then in build/finch. It carries the
# runtime and the standard library inside itself (src/embedded.fch), so it runs from anywhere.
set -eu
cd "$(dirname "$0")/.."
mkdir -p build
@ -28,6 +28,8 @@ export FINCH_RT=$PWD/runtime/finch_rt.c
echo "bootstrap: seed ($seed) -> build/finch0"
$CLANG -O1 -w "bootstrap/$seed.ll" runtime/finch_rt.c -o build/finch0 -lm $LIBS
echo "bootstrap: build/finch0 packs the runtime and std into src/embedded.fch"
bootstrap/pack.sh build/finch0
echo "bootstrap: build/finch0 builds the compiler -> build/finch1"
build/finch0 build src/main.fch -o build/finch1
echo "bootstrap: build/finch1 builds the compiler -> build/finch"

6
bootstrap/pack.sh Executable file
View file

@ -0,0 +1,6 @@
#!/bin/sh
# Writes src/embedded.fch: the runtime and the standard library as text, so the compiler can carry them inside itself.
# bootstrap/pack.sh <a Finch compiler> [out.fch]
set -eu
cd "$(dirname "$0")/.."
FINCH_RT=$PWD/runtime/finch_rt.c "$1" run tools/pack.fch "${2:-src/embedded.fch}" runtime/finch_rt.c std/*.fch std/*.h