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Add support for C++17 trailing return types

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This commit is contained in:
Dustin Spicuzza
2021-01-04 21:55:29 -05:00
parent 43431f3fe4
commit 8c9f8fd8ba
4 changed files with 174 additions and 2 deletions
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128
tests/test_fn.py
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@@ -585,3 +585,131 @@ def test_fn_return_std_function():
assert data1 == expected
assert data2 == expected
def test_fn_return_std_function_trailing():
content = """
std::function<auto(int)->int> fn();
"""
data = parse_string(content, cleandoc=True)
assert data == ParsedData(
namespace=NamespaceScope(
functions=[
Function(
return_type=Type(
typename=PQName(
segments=[
NameSpecifier(name="std"),
NameSpecifier(
name="function",
specialization=TemplateSpecialization(
args=[
TemplateArgument(
arg=FunctionType(
return_type=Type(
typename=PQName(
segments=[
FundamentalSpecifier(
name="int"
)
]
)
),
parameters=[
Parameter(
type=Type(
typename=PQName(
segments=[
FundamentalSpecifier(
name="int"
)
]
)
)
)
],
has_trailing_return=True,
)
)
]
),
),
]
)
),
name=PQName(segments=[NameSpecifier(name="fn")]),
parameters=[],
)
]
)
)
def test_fn_trailing_return_simple():
content = """
auto fn() -> int;
"""
data = parse_string(content, cleandoc=True)
assert data == ParsedData(
namespace=NamespaceScope(
functions=[
Function(
return_type=Type(
typename=PQName(segments=[FundamentalSpecifier(name="int")])
),
name=PQName(segments=[NameSpecifier(name="fn")]),
parameters=[],
has_trailing_return=True,
)
]
)
)
def test_fn_trailing_return_std_function():
content = """
auto fn() -> std::function<int()>;
"""
data = parse_string(content, cleandoc=True)
assert data == ParsedData(
namespace=NamespaceScope(
functions=[
Function(
return_type=Type(
typename=PQName(
segments=[
NameSpecifier(name="std"),
NameSpecifier(
name="function",
specialization=TemplateSpecialization(
args=[
TemplateArgument(
arg=FunctionType(
return_type=Type(
typename=PQName(
segments=[
FundamentalSpecifier(
name="int"
)
]
)
),
parameters=[],
)
)
]
),
),
]
)
),
name=PQName(segments=[NameSpecifier(name="fn")]),
parameters=[],
has_trailing_return=True,
)
]
)
)