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template simplifier: fix recursive variable templates (#1711)

This commit is contained in:
IOBYTE 2019-02-28 02:30:04 -05:00 committed by amai2012
parent c8a7a4c653
commit 98bf112352
2 changed files with 41 additions and 28 deletions
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4
lib/templatesimplifier.cpp
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@ -1406,8 +1406,10 @@ void TemplateSimplifier::expandTemplate(
dst->insertToken(newName, "", true);
if (start->strAt(1) == "<")
start = start->next()->findClosingBracket();
} else
} else {
dst->insertToken(start->str(), "", true);
mTemplateInstantiations.emplace_back(dst->previous(), templateDeclaration.scope);
}
} else {
// check if type is a template
if (start->strAt(1) == "<") {

29
test/testsimplifytemplate.cpp
View File

@ -2094,6 +2094,7 @@ private:
}
void template96() { // #7854
{
const char code[] = "template<unsigned int n>\n"
" constexpr long fib = fib<n-1> + fib<n-2>;\n"
"template<>\n"
@ -2104,14 +2105,6 @@ private:
"long f1 = fib<1>;\n"
"long f2 = fib<2>;\n"
"long f3 = fib<3>;";
const char act[] = "const long fib<2> = fib < 1 > + fib < 0 > ; "
"const long fib<3> = fib < 2 > + fib < 1 > ; "
"const long fib<0> = 0 ; "
"const long fib<1> = 1 ; "
"long f0 ; f0 = fib<0> ; "
"long f1 ; f1 = fib<1> ; "
"long f2 ; f2 = fib<2> ; "
"long f3 ; f3 = fib<3> ;";
const char exp[] = "const long fib<2> = fib<1> + fib<0> ; "
"const long fib<3> = fib<2> + fib<1> ; "
"const long fib<0> = 0 ; "
@ -2120,7 +2113,25 @@ private:
"long f1 ; f1 = fib<1> ; "
"long f2 ; f2 = fib<2> ; "
"long f3 ; f3 = fib<3> ;";
TODO_ASSERT_EQUALS(exp, act, tok(code));
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template<unsigned int n>\n"
" constexpr long fib = fib<n-1> + fib<n-2>;\n"
"template<>\n"
" constexpr long fib<0> = 0;\n"
"template<>\n"
" constexpr long fib<1> = 1;\n"
"long f5 = fib<5>;\n";
const char exp[] = "const long fib<5> = fib<4> + fib<3> ; "
"const long fib<4> = fib<3> + fib<2> ; "
"const long fib<3> = fib<2> + fib<1> ; "
"const long fib<2> = fib<1> + fib<0> ; "
"const long fib<0> = 0 ; "
"const long fib<1> = 1 ; "
"long f5 ; f5 = fib<5> ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template97() {