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| author | Mustafa Quraish <[email protected]> | 2022-02-07 15:29:04 -0500 |
|---|---|---|
| committer | Mustafa Quraish <[email protected]> | 2022-02-07 15:29:04 -0500 |
| commit | 941df930b0b519cf4b82f5e46ffe49ca75e68619 (patch) | |
| tree | b2da7c31710b831201d0ee9a3ee03fdfe7196f07 /compiler/README.md | |
| parent | [cup] Self-hosting is now possible! Make some tweaks to match C output (diff) | |
| download | cup-941df930b0b519cf4b82f5e46ffe49ca75e68619.tar.xz cup-941df930b0b519cf4b82f5e46ffe49ca75e68619.zip | |
[cup] Remove unnecessary function from codegen, add info to README
Diffstat (limited to 'compiler/README.md')
| -rw-r--r-- | compiler/README.md | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/compiler/README.md b/compiler/README.md index 0e58d43..54ab576 100644 --- a/compiler/README.md +++ b/compiler/README.md @@ -1,3 +1,16 @@ # CUP Compiler in CUP -This is the beginnings of a CUP compiler written in itself.
\ No newline at end of file +This is an implementation of the CUP compiler in itself! As of this writing, it can generate identical assembly code to the compiler written in C. + +```bash +$ make +gcc -Wall -Wextra -Werror -ggdb3 -o build/cupcc <...> +$ ./build/cupcc compiler/main.cup -o 1.nasm +$ make 1.out +nasm -felf64 1.nasm -o 1.o +ld 1.o -o 1.out +$ ./1.out compiler/main.cup -o 2.nasm +$ diff 1.nasm 2.nasm +$ # no output, same generated code, yay! +``` + |