示例#1
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 def test_pos_lt(self):
     self.assertLess(cpp_pos.Pos('<fake>', 0, 0),
                     cpp_pos.Pos('<fake>', 0, 1))
     self.assertLess(cpp_pos.Pos('<fake>', 0, 0),
                     cpp_pos.Pos('<fake>', 1, 0))
     self.assertGreaterEqual(cpp_pos.Pos('<fake>', 0, 0),
                             cpp_pos.Pos('<fake>', 0, 0))
示例#2
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class CppAstTest(absltest.TestCase):

    fake_pos = cpp_pos.Pos('fake.x', 0, 0)
    fake_span = cpp_pos.Span(fake_pos, fake_pos)

    def test_simple_span(self):
        start = cpp_pos.Pos('fake.x', 1, 2)
        limit = cpp_pos.Pos('fake.x', 3, 4)
        span = cpp_pos.Span(start, limit)
        self.assertEqual(str(span), 'fake.x:2:3-4:5')

    def test_module_with_constant(self):
        m = cpp_ast.Module('test')
        name_def = cpp_ast.NameDef(m, self.fake_span, 'MOL')
        number = cpp_ast.Number(m, self.fake_span, '42')
        constant_def = cpp_ast.Constant(m,
                                        self.fake_span,
                                        name_def,
                                        number,
                                        is_public=False)
        m.add_top(constant_def)
        self.assertEqual(str(m), 'const MOL = 42;')

    def test_binop(self):
        m = cpp_ast.Module('test')
        ft = cpp_ast.Number(m, self.fake_span, '42')
        sf = cpp_ast.Number(m, self.fake_span, '64')
        add = cpp_ast.Binop(m, self.fake_span, cpp_ast.BinopKind.ADD, ft, sf)
        self.assertEqual(str(add), '(42) + (64)')

    def test_identity_function(self):
        m = cpp_ast.Module('test')
        name_def_x = cpp_ast.NameDef(m, self.fake_span, 'x')
        name_ref_x = cpp_ast.NameRef(m, self.fake_span, 'x', name_def_x)
        type_u32 = cpp_ast.BuiltinTypeAnnotation(m, self.fake_span,
                                                 cpp_ast.BuiltinType.U32)
        param_x = cpp_ast.Param(m, name_def_x, type_u32)
        name_def_f = cpp_ast.NameDef(m, self.fake_span, 'f')
        params = (param_x, )
        f = cpp_ast.Function(m,
                             self.fake_span,
                             name_def_f, (),
                             params,
                             type_u32,
                             name_ref_x,
                             public=False)
        self.assertEqual(str(f), 'fn f(x: u32) -> u32 {\n  x\n}')
示例#3
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class CppAstVisitorTest(absltest.TestCase):

    fake_pos = cpp_pos.Pos('fake.x', 0, 0)
    fake_span = cpp_pos.Span(fake_pos, fake_pos)

    def test_simple_number(self):
        m = ast.Module('test')
        n = ast.Number(m, self.fake_span, '42')
        self.assertEmpty(n.children)
        collector = Collector()
        cpp_ast_visitor.visit(n, collector)
        self.assertEqual(collector.visited, [n])

    def test_array_of_numbers(self):
        m = ast.Module('test')
        n0 = ast.Number(m, self.fake_span, '42')
        n1 = ast.Number(m, self.fake_span, '64')
        a = ast.Array(m, self.fake_span, [n0, n1], False)
        collector = Collector()
        cpp_ast_visitor.visit(a, collector)
        self.assertEqual(collector.visited, [n0, n1, a])
示例#4
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文件: repl.py 项目: hixio-mh/xls
from xls.dslx import bit_helpers
from xls.dslx import import_routines
from xls.dslx import parser_helpers
from xls.dslx import span
from xls.dslx import typecheck
from xls.dslx import xls_type_error
from xls.dslx.interpreter import interpreter as interpreter_mod
from xls.dslx.interpreter import value as value_mod
from xls.dslx.python import cpp_concrete_type as concrete_type_mod
from xls.dslx.python import cpp_parser as parser
from xls.dslx.python import cpp_pos
from xls.dslx.python import cpp_scanner as scanner

FLAGS = flags.FLAGS
FILENAME = '/fake/repl.x'
FAKE_POS = cpp_pos.Pos(FILENAME, 0, 0)
FAKE_SPAN = cpp_pos.Span(FAKE_POS, FAKE_POS)
UN_KEYWORD = scanner.Token(FAKE_SPAN, scanner.Keyword.UN)
SN_KEYWORD = scanner.Token(FAKE_SPAN, scanner.Keyword.SN)


def handle_line(line: str, stmt_index: int):
    """Runs a single user-provided line as a REPL input."""
    fn_name = f'repl_{stmt_index}'
    module_text = f"""
  import std
  fn {fn_name}() -> () {{
    {line}
  }}
  """
示例#5
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 def test_simple_span(self):
     start = cpp_pos.Pos('fake.x', 1, 2)
     limit = cpp_pos.Pos('fake.x', 3, 4)
     span = cpp_pos.Span(start, limit)
     self.assertEqual(str(span), 'fake.x:2:3-4:5')