fallkrum added a comment.
Thanks a lot Jim for explanations, now it makes sense to me.
Have one more question on class Type. Writing API test for the patch defined 2
functions like this:
void *func1(int) {
return NULL;
}
void *func2(int) {
return NULL;
}
Tried to find function type using target.FindFirstType('func1') and got nothing
as a result. Call to module.GetTypes().GetTypeAtIndex(0).GetName() contained:
"void *(int)". Looking through clang::Decls found out that clang::FunctionDecl
is child of clang::ValueDecl and it finally became clear to me that "func1",
"func2" are not types at all but simply symbols (variables?) of the same type
"void *(int)". Therefore module where above 2 functions were declared contained
only 1 type "void *(int)". Investigating how DWARFASTParser works noticed that
it do generates 2 Type instances for 2 defined functions with m_name variable
set to "func1", "func2" respectively and m_compiler_type referencing the same
"void *(int)" (but not in it's string representation of course).
So the question is: Does class Type represents not only a type but also a
variable (symbol or identifier, don't know how to name it correctly in this
situation)?
Repository:
rG LLVM Github Monorepo
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https://reviews.llvm.org/D88483/new/
https://reviews.llvm.org/D88483
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