def testValidAttributes(self):
"""Tests parsing attributes (and attribute lists)."""
# Note: We use structs because they have (optional) attribute lists.
# Empty attribute list.
source1 = "[] struct MyStruct {};"
expected1 = ast.Mojom(
None,
ast.ImportList(),
[ast.Struct('MyStruct', ast.AttributeList(), ast.StructBody())])
self.assertEquals(parser.Parse(source1, "my_file.mojom"), expected1)
# One-element attribute list, with name value.
source2 = "[MyAttribute=MyName] struct MyStruct {};"
expected2 = ast.Mojom(
None,
ast.ImportList(),
[ast.Struct(
'MyStruct',
ast.AttributeList(ast.Attribute("MyAttribute", "MyName")),
ast.StructBody())])
self.assertEquals(parser.Parse(source2, "my_file.mojom"), expected2)
# Two-element attribute list, with one string value and one integer value.
source3 = "[MyAttribute1 = \"hello\", MyAttribute2 = 5] struct MyStruct {};"
expected3 = ast.Mojom(
None,
ast.ImportList(),
[ast.Struct(
'MyStruct',
ast.AttributeList([ast.Attribute("MyAttribute1", "hello"),
ast.Attribute("MyAttribute2", 5)]),
ast.StructBody())])
self.assertEquals(parser.Parse(source3, "my_file.mojom"), expected3)
def p_attribute_1(self, p):
"""attribute : NAME EQUALS evaled_literal
| NAME EQUALS NAME"""
p[0] = ast.Attribute(p[1],
p[3],
filename=self.filename,
lineno=p.lineno(1))
def p_attribute_2(self, p): """attribute : NAME""" p[0] = ast.Attribute(p[1], True, filename=self.filename, lineno=p.lineno(1))
def testValidAttributes(self):
"""Tests parsing attributes (and attribute lists)."""
# Note: We use structs because they have (optional) attribute lists.
# Empty attribute list.
source1 = "[] struct MyStruct {};"
expected1 = ast.Mojom(
None,
ast.ImportList(),
[ast.Struct('MyStruct', ast.AttributeList(), ast.StructBody())])
self.assertEquals(parser.Parse(source1, "my_file.mojom"), expected1)
# One-element attribute list, with name value.
source2 = "[MyAttribute=MyName] struct MyStruct {};"
expected2 = ast.Mojom(
None,
ast.ImportList(),
[ast.Struct(
'MyStruct',
ast.AttributeList(ast.Attribute("MyAttribute", "MyName")),
ast.StructBody())])
self.assertEquals(parser.Parse(source2, "my_file.mojom"), expected2)
# Two-element attribute list, with one string value and one integer value.
source3 = "[MyAttribute1 = \"hello\", MyAttribute2 = 5] struct MyStruct {};"
expected3 = ast.Mojom(
None,
ast.ImportList(),
[ast.Struct(
'MyStruct',
ast.AttributeList([ast.Attribute("MyAttribute1", "hello"),
ast.Attribute("MyAttribute2", 5)]),
ast.StructBody())])
self.assertEquals(parser.Parse(source3, "my_file.mojom"), expected3)
# Various places that attribute list is allowed.
source4 = """\
[Attr0=0] module my_module;
[Attr1=1] struct MyStruct {
[Attr2=2] int32 a;
};
[Attr3=3] union MyUnion {
[Attr4=4] int32 a;
};
[Attr5=5] enum MyEnum {
[Attr6=6] a
};
[Attr7=7] interface MyInterface {
[Attr8=8] MyMethod([Attr9=9] int32 a) => ([Attr10=10] bool b);
};
"""
expected4 = ast.Mojom(
ast.Module(('IDENTIFIER', 'my_module'),
ast.AttributeList([ast.Attribute("Attr0", 0)])),
ast.ImportList(),
[ast.Struct(
'MyStruct',
ast.AttributeList(ast.Attribute("Attr1", 1)),
ast.StructBody(
ast.StructField(
'a', ast.AttributeList([ast.Attribute("Attr2", 2)]),
None, 'int32', None))),
ast.Union(
'MyUnion',
ast.AttributeList(ast.Attribute("Attr3", 3)),
ast.UnionBody(
ast.UnionField(
'a', ast.AttributeList([ast.Attribute("Attr4", 4)]), None,
'int32'))),
ast.Enum(
'MyEnum',
ast.AttributeList(ast.Attribute("Attr5", 5)),
ast.EnumValueList(
ast.EnumValue(
'VALUE', ast.AttributeList([ast.Attribute("Attr6", 6)]),
None))),
ast.Interface(
'MyInterface',
ast.AttributeList(ast.Attribute("Attr7", 7)),
ast.InterfaceBody(
ast.Method(
'MyMethod',
ast.AttributeList(ast.Attribute("Attr8", 8)),
None,
ast.ParameterList(
ast.Parameter(
'a', ast.AttributeList([ast.Attribute("Attr9", 9)]),
None, 'int32')),
ast.ParameterList(
ast.Parameter(
'b',
ast.AttributeList([ast.Attribute("Attr10", 10)]),
None, 'bool')))))])
self.assertEquals(parser.Parse(source4, "my_file.mojom"), expected4)
def p_attribute_1(self, p):
"""attribute : NAME EQUALS identifier_wrapped"""
p[0] = ast.Attribute(p[1],
p[3][1],
filename=self.filename,
lineno=p.lineno(1))