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C++: Take multiline strings into account when preprocessing

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It was creating extra line(s)...

Change-Id: If28a9ccf16195c71747479db838a5589ea6683a0
Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>
This commit is contained in:
Leandro Melo
2012-08-20 23:11:34 +02:00
parent e148d030f5
commit b53d562816
2 changed files with 27 additions and 4 deletions
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8
src/libs/cplusplus/pp-engine.cpp
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@@ -1137,9 +1137,9 @@ void Preprocessor::trackExpansionCycles(PPToken *tk)
}
}
static void adjustForCommentNewlines(unsigned *currentLine, const PPToken &tk)
static void adjustForCommentOrStringNewlines(unsigned *currentLine, const PPToken &tk)
{
if (tk.is(T_COMMENT) || tk.is(T_DOXY_COMMENT))
if (tk.is(T_COMMENT) || tk.is(T_DOXY_COMMENT) || tk.isStringLiteral())
(*currentLine) += tk.asByteArrayRef().count('\n');
}
@@ -1147,7 +1147,7 @@ void Preprocessor::synchronizeOutputLines(const PPToken &tk, bool forceLine)
{
if (m_state.m_expansionStatus != NotExpanding
|| (!forceLine && m_env->currentLine == tk.lineno)) {
adjustForCommentNewlines(&m_env->currentLine, tk);
adjustForCommentOrStringNewlines(&m_env->currentLine, tk);
return;
}
@@ -1164,7 +1164,7 @@ void Preprocessor::synchronizeOutputLines(const PPToken &tk, bool forceLine)
}
m_env->currentLine = tk.lineno;
adjustForCommentNewlines(&m_env->currentLine, tk);
adjustForCommentOrStringNewlines(&m_env->currentLine, tk);
}
void Preprocessor::removeTrailingOutputLines()

23
tests/auto/cplusplus/preprocessor/tst_preprocessor.cpp
View File

@@ -336,6 +336,8 @@ private slots:
void comments_within2_data();
void multitokens_argument();
void multitokens_argument_data();
void multiline_strings();
void multiline_strings_data();
};
// Remove all #... lines, and 'simplify' string, to allow easily comparing the result
@@ -1298,6 +1300,27 @@ void tst_Preprocessor::comments_within2_data()
QTest::newRow("case 4") << original << expected;
}
void tst_Preprocessor::multiline_strings()
{
compare_input_output();
}
void tst_Preprocessor::multiline_strings_data()
{
QTest::addColumn<QByteArray>("input");
QTest::addColumn<QByteArray>("output");
QByteArray original;
QByteArray expected;
original = "const char *s = \"abc\\\n"
"xyz\";\n";
expected = "# 1 \"<stdin>\"\n"
"const char *s = \"abc\\\n"
"xyz\";\n";
QTest::newRow("case 1") << original << expected;
}
void tst_Preprocessor::compare_input_output(bool keepComments)
{
QFETCH(QByteArray, input);