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fix #9495 (Crash when parsing angle brackets in template with type traits (assertion failure)) (#2407)

This commit is contained in:
IOBYTE 2019-11-29 03:44:27 -05:00 committed by orbitcowboy
parent 676a837af6
commit f554a71dea
2 changed files with 12 additions and 2 deletions
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5
lib/templatesimplifier.cpp
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@ -495,8 +495,9 @@ unsigned int TemplateSimplifier::templateParameters(const Token *tok)
return numberOfParameters;
else if (tok->str() == ">>" && level == 1)
return numberOfParameters;
else if (tok->str() == "," && level == 0) {
++numberOfParameters;
else if (tok->str() == ",") {
if (level == 0)
++numberOfParameters;
tok = tok->next();
}
continue;

9
test/testsimplifytemplate.cpp
View File

@ -191,6 +191,7 @@ private:
TEST_CASE(template151); // crash
TEST_CASE(template152); // #9467
TEST_CASE(template153); // #9483
TEST_CASE(template154); // #9495
TEST_CASE(template_specialization_1); // #7868 - template specialization template <typename T> struct S<C<T>> {..};
TEST_CASE(template_specialization_2); // #7868 - template specialization template <typename T> struct S<C<T>> {..};
TEST_CASE(template_enum); // #6299 Syntax error in complex enum declaration (including template)
@ -2798,6 +2799,12 @@ private:
ASSERT_EQUALS(exp, tok(code));
}
void template154() { // #9495
const char code[] = "template <typename S, enable_if_t<(is_compile_string<S>::value), int>> void i(S s);";
const char exp[] = "template < typename S , enable_if_t < ( is_compile_string < S > :: value ) , int > > void i ( S s ) ;";
ASSERT_EQUALS(exp, tok(code));
}
void template116() { // #9178
{
const char code[] = "template <class, class a> auto b() -> decltype(a{}.template b<void(int, int)>);\n"
@ -4379,6 +4386,8 @@ private:
ASSERT_EQUALS(2U, templateParameters("template<template<typename>...Foo,template<template<template<typename>>>> x;"));
ASSERT_EQUALS(3U, templateParameters("template<template<typename>...Foo,int,template<template<template<typename>>>> x;"));
ASSERT_EQUALS(4U, templateParameters("template<template<typename>...Foo,int,template<template<template<typename>>>,int> x;"));
ASSERT_EQUALS(2U, templateParameters("template<typename S, enable_if_t<(is_compile_string<S>::value), int>> void i(S s);"));
ASSERT_EQUALS(2U, templateParameters("template<typename c, b<(c::d), int>> void e();"));
}
// Helper function to unit test TemplateSimplifier::getTemplateNamePosition