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import unittest
from crowbar_reference_compiler import build_ast, build_ssa, parse_header, parse_implementation, scan
class TestHelloWorld(unittest.TestCase):
def test_ssa(self):
code = r"""
//include "stdio.hro";
int32 main() {
printf("Hello, world!\n");
return 0;
}
"""
tokens = scan(code)
parse_tree = parse_implementation(tokens)
ast = build_ast(parse_tree, [])
actual_ssa = build_ssa(ast)
expected_ssa = r"""
data $data0 = { b "Hello, world!\n", b 0 }
export function w $main() {
@start
%t0 =l copy $data0
call $printf(l %t0, ...)
%t1 =w copy 0
ret %t1
}
""".strip()
self.assertEqual(expected_ssa, actual_ssa)
if __name__ == '__main__':
unittest.main()
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