示例#1
0
 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'))]
示例#2
0
 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'))
     ]
示例#3
0
 def statement_while_loop(state, p):
     return ast.While(p[1], p[3].get_element_list(), srcpos=sr(p))