A tiny language compiler written in Ruby
https://www.sigbus.info/compilerbook
What language looks like
See test.sh.
How to run
Docker image for this repository is available on petitviolet:9cc-ruby in docker hub.
# Run all test
$ make docker/test
# Run oneshot test. ARG: [expected program]
$ make docker/try ARG="3 'def add(i, j) { i + j }; add(1, 2)'"
$ make docker/try ARG="3 'def add(i, j) { i + j }; add(1, 2)' -v" # verbose option$ make docker/try ARG="16 '1 + 2 + 3'"
docker run --rm -v $PWD:/9cc -w /9cc petitviolet/9cc-ruby:latest sh -c "./test.sh 16 '1 + 2 + 3'"
[2020-06-17 12:57:46.045 UTC]NG! 1 + 2 + 3 => 16 expected, but got 6
make: *** [docker/try] Error 1
$ make docker/try ARG="16 '1 + 2 + 3' -v"
docker run --rm -v $PWD:/9cc -w /9cc petitviolet/9cc-ruby:latest sh -c "./test.sh 16 '1 + 2 + 3' -v"
[Token::Num(value: 1),
Token::Reserved(char: +),
Token::Num(value: 2),
Token::Reserved(char: +),
Token::Num(value: 3),
Token::Eof]
[[Node::Add(lhs: Node::Add(lhs: Node::Num(value: 1), rhs: Node::Num(value: 2)), rhs: Node::Num(value: 3))]]
==='-v'
.intel_syntax noprefix # headers
.global main
main:
push r14 # prologue
push r15
push rbp
mov rbp, rsp
sub rsp, 0 # ^^^ prologue
# statement: 1 + 2 + 3
push 1
push 2
pop rdi
pop rax
add rax, rdi
push rax
push 3
pop rdi
pop rax
add rax, rdi
push rax
# ^^^ statement: 1 + 2 + 3
pop rax
mov rsp, rbp # epilogue
pop rbp
pop r15
pop r14
ret # ^^^ epilogue
===
[2020-06-17 12:57:51.881 UTC]NG! 1 + 2 + 3 => 16 expected, but got 6
make: *** [docker/try] Error 1