walkero
/
cppcheck
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

TemplateSimplifier: Fixed wrong match when inner template parameters are wrongly counted (#3818)

This commit is contained in:
Daniel Marjamäki 2012-08-08 06:43:41 +02:00
parent d68d035e22
commit 4ec12209dc
2 changed files with 24 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
lib/templatesimplifier.cpp
View File

@ -1013,6 +1013,7 @@ bool TemplateSimplifier::simplifyTemplateInstantions(
std::vector<const Token *> typesUsedInTemplateInstantion;
std::string typeForNewNameStr;
std::string templateMatchPattern(name + " < ");
unsigned int indentlevel = 0;
for (const Token *tok3 = tok2->tokAt(2); tok3 && tok3->str() != ">"; tok3 = tok3->next()) {
// #2648 - unhandled parenthesis => bail out
// #2721 - unhandled [ => bail out
@ -1024,9 +1025,13 @@ bool TemplateSimplifier::simplifyTemplateInstantions(
typeForNewNameStr.clear();
break;
}
if (tok3->str() == "<" && templateParameters(tok3) > 0)
++indentlevel;
else if (indentlevel > 0 && Token::simpleMatch(tok3, "> ,"))
--indentlevel;
templateMatchPattern += tok3->str();
templateMatchPattern += " ";
if (Token::Match(tok3->previous(), "[<,]"))
if (indentlevel == 0 && Token::Match(tok3->previous(), "[<,]"))
typesUsedInTemplateInstantion.push_back(tok3);
// add additional type information
if (tok3->isUnsigned())

18
test/testsimplifytokens.cpp
View File

@ -125,6 +125,7 @@ private:
TEST_CASE(template29); // #3449 - don't crash for garbage code
TEST_CASE(template30); // #3529 - template < template < ..
TEST_CASE(template31); // #4010 - reference type
TEST_CASE(template32); // #3818 - mismatching template not handled well
TEST_CASE(template_unhandled);
TEST_CASE(template_default_parameter);
TEST_CASE(template_default_type);
@ -2153,6 +2154,23 @@ private:
ASSERT_EQUALS("A<int&> a ; struct A<int&> { }", tok(code));
}
void template32() {
// #3818 - mismatching template not handled well
const char code[] = "template <class T1, class T2, class T3, class T4 > struct A { };\n"
"\n"
"template <class T>\n"
"struct B\n"
"{\n"
" public:\n"
" A < int, Pair<T, int>, int > a;\n" // mismatching parameters => don't instantiate
"};\n"
"\n"
"B<int> b;\n";
ASSERT_EQUALS("template < class T1 , class T2 , class T3 , class T4 > struct A { } ; "
"B<int> b ; "
"struct B<int> { public: A < int , Pair < int , int > , int > a ; }", tok(code));
}
void template_unhandled() {
// An unhandled template usage should be simplified..
ASSERT_EQUALS("x<int> ( ) ;", tok("x<int>();"));