def test_while_loop(self):
r = self.parse('''
let i, s;
i = 0;
while i < 10 {
i = i + 1;
s = s + i;
}
return s;
''')
assert r == [
ast.VarDeclaration([ast.Var('i', ast.NoTypeDecl(), None),
ast.Var('s', ast.NoTypeDecl(), None)]),
ast.Assignment('i', ast.Number(0)),
ast.While(
ast.BinOp('<', ast.Identifier('i'), ast.Number(10), oppos=(51, 52)), [
ast.Assignment('i', ast.BinOp(
'+', ast.Identifier('i'), ast.Number(1), oppos=(72, 73))),
ast.Assignment('s', ast.BinOp(
'+', ast.Identifier('s'), ast.Identifier('i'), oppos=(91, 92)))]),
ast.Return(ast.Identifier('s'))]
def test_while_loop(self):
r = self.parse('''
var i, s;
i = 0;
while i < 10 {
i = i + 1;
s = s + i;
}
return s;
''')
assert r == [
ast.VarDeclaration(['i', 's']),
ast.Assignment('i', ast.Number(0)),
ast.While(ast.BinOp('<', ast.Identifier('i'), ast.Number(10)), [
ast.Assignment(
'i', ast.BinOp('+', ast.Identifier('i'), ast.Number(1))),
ast.Assignment(
's',
ast.BinOp('+', ast.Identifier('s'), ast.Identifier('i')))
]),
ast.Return(ast.Identifier('s'))
]
def statement_return(state, p):
return ast.Return(p[1], srcpos=sr(p))
def statement_return(state, p):
return ast.Return(p[1])