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ClangCodeModel: Show value in tool tips, if possible

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When hovering over a constant expression, it's probably helpful
to show that value to the user.
Requires clang 11 to fully work. For now, it only shows the value for
variable initializations.

Fixes: QTCREATORBUG-23967
Change-Id: I6b844231bac50993c2fa2fa82c552ad9cef590df
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
This commit is contained in:
Christian Kandeler
2020-05-18 17:40:19 +02:00
parent 227904d4a6
commit 949bb0e67b
7 changed files with 61 additions and 1 deletions
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9
tests/unit/unittest/clangtooltipinfo-test.cpp
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@@ -385,6 +385,15 @@ TEST_F(ToolTipInfo, SizeForUnion)
ASSERT_THAT(actual.sizeInBytes, Utf8StringLiteral("1"));
}
TEST_F(ToolTipInfo, constexprValue)
{
// CLANG-UPGRADE-CHECK: Adapt the values below
ASSERT_THAT(tooltip(204, 12).value.toInt(), 4);
ASSERT_THAT(tooltip(204, 27).value.toInt(), 4); // 3 in clang 11
ASSERT_THAT(tooltip(204, 30).value.toInt(), 4);
ASSERT_THAT(tooltip(204, 32).value.toInt(), 4); // 1 in clang 11
}
TEST_F(ToolTipInfo, Namespace)
{
::ToolTipInfo expected(Utf8StringLiteral("X"));