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C++: Basic support for C++11 user-defined literals

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1. Extends lexer so digit or string can be followed by underscore '_' and
   alphanumeric defining literal.

2. Extends parser so it accepts operator"" _abc(...) user-defined literal
   definition.

3. Adds Token::Flags.userDefinedLiteral bool flag field representing if token
   carries user-defined literal.

4. Adds C++11 auto tests case with: 12_km, 0.5_Pa, 'c'_X, "abd"_L, u"xyz"_M

5. All optional suffix scanning methods now return boolean if the suffix was
   found.

6. Adds C++ Lexer tests for user-defined literals with C++11 feature enabled.

This change however does not make QtCreator understand user-defined literal
semantics, e.g. properly resolve type when applying custom literal operator.

Change-Id: I30e62f025ec9fb11c39261985ea4d772b1a80949
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>
This commit is contained in:
Adam Strzelecki
2014-11-02 14:42:23 +01:00
committed by Nikolai Kosjar
parent 5699991a2f
commit 425811291d
7 changed files with 115 additions and 22 deletions
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1
tests/auto/cplusplus/cxx11/tst_cxx11.cpp
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@@ -197,6 +197,7 @@ void tst_cxx11::parse_data()
QTest::newRow("threadLocal.1") << "threadLocal.1.cpp" << "";
QTest::newRow("trailingtypespec.1") << "trailingtypespec.1.cpp" << "";
QTest::newRow("lambda.2") << "lambda.2.cpp" << "";
QTest::newRow("userDefinedLiterals.1") << "userDefinedLiterals.1.cpp" << "";
}
void tst_cxx11::parse()