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import unittest
from crowbar_reference_compiler import build_ast, parse_header, scan
from crowbar_reference_compiler.ast import ArrayType, BasicType, ConstantExpression, EnumDeclaration, HeaderFile, \
PointerType, StructDeclaration, UnionDeclaration, VariableDeclaration, VariableExpression
class TestAST(unittest.TestCase):
def test_kitchen_sink(self):
code = r"""
struct normal {
bool fake;
(uint8[3])* data;
}
opaque struct ope;
enum sample {
Testing,
}
union robust {
enum sample tag;
switch (tag) {
case Testing: bool testPassed;
}
}
fragile union not_robust {
int8 sample;
bool nope;
}
"""
tokens = scan(code)
parse_tree = parse_header(tokens)
decls = build_ast(parse_tree, [])
normal = StructDeclaration('normal', [
VariableDeclaration('fake', BasicType('bool')),
VariableDeclaration('data', PointerType(ArrayType(BasicType('uint8'), ConstantExpression('3')))),
])
ope = StructDeclaration('ope', None)
sample = EnumDeclaration('sample', [('Testing', None)])
robust = UnionDeclaration('robust', VariableDeclaration('tag', BasicType('enum sample')),
[(VariableExpression('Testing'), VariableDeclaration('testPassed', BasicType('bool')))])
not_robust = UnionDeclaration('not_robust', None, [
VariableDeclaration('sample', BasicType('int8')),
VariableDeclaration('nope', BasicType('bool')),
])
self.assertEqual(decls, HeaderFile([], [normal, ope, sample, robust, not_robust]))
if __name__ == '__main__':
unittest.main()
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