until Doug Gregor's Type smart pointer code lands (or more discussion occurs).
These methods just call the new Type::getAs<XXX> methods, so we still have
reduced implementation redundancy. Having explicit getAsXXXType() methods makes
it easier to set breakpoints in the debugger.
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This method is intended to eventually replace the individual
Type::getAsXXXType<> methods.
The motivation behind this change is twofold:
1) Reduce redundant implementations of Type::getAsXXXType() methods. Most of
them are basically copy-and-paste.
2) By centralizing the implementation of the getAs<Type> logic we can more
smoothly move over to Doug Gregor's proposed canonical type smart pointer
scheme.
Along with this patch:
a) Removed 'Type::getAsPointerType()'; now clients use getAs<PointerType>.
b) Removed 'Type::getAsBlockPointerTypE()'; now clients use getAs<BlockPointerType>.
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The idea is to segregate Objective-C "object" pointers from general C pointers (utilizing the recently added ObjCObjectPointerType). The fun starts in Sema::GetTypeForDeclarator(), where "SomeInterface *" is now represented by a single AST node (rather than a PointerType whose Pointee is an ObjCInterfaceType). Since a significant amount of code assumed ObjC object pointers where based on C pointers/structs, this patch is very tedious. It should also explain why it is hard to accomplish this in smaller, self-contained patches.
This patch does most of the "heavy lifting" related to moving from PointerType->ObjCObjectPointerType. It doesn't include all potential "cleanups". The good news is additional cleanups can be done later (some are noted in the code). This patch is so large that I didn't want to include any changes that are purely aesthetic.
By making the ObjC types truly built-in, they are much easier to work with (and require fewer "hacks"). For example, there is no need for ASTContext::isObjCIdStructType() or ASTContext::isObjCClassStructType()! We believe this change (and the follow-up cleanups) will pay dividends over time.
Given the amount of code change, I do expect some fallout from this change (though it does pass all of the clang tests). If you notice any problems, please let us know asap! Thanks.
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function template. Most of the change here is in factoring out the
common bits used for template argument deduction from a function call
and when taking the address of a function template.
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The implementations of these methods can Use Decl::getASTContext() to get the ASTContext.
This commit touches a lot of files since call sites for these methods are everywhere.
I used pre-tokenized "carbon.h" and "cocoa.h" headers to do some timings, and there was no real time difference between before the commit and after it.
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preprocessor and initialize it early in clang-cc. This
ensures that __has_builtin works in all modes, not just
when ASTContext is around.
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an integral constant expression, maintain a cache of the value and the
is-an-ICE flag within the VarDecl itself. This eliminates
exponential-time behavior of the Fibonacci template metaprogram.
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can. Also, delay semantic analysis of initialization for
value-dependent as well as type-dependent expressions, since we can't
always properly type-check a value-dependent expression.
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operator in C++, and verify that template instantiation for the
condition operator does the right thing.
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into the left-hand side of an assignment expression. This completes
most of PR3500; the only remaining part is to deal with the
GCC-specific implementation-defined behavior for "unsigned long" (and
other) bit-fields.
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lazy PCH deserialization. Propagate that argument wherever it needs to
be. No functionality change, except that I've tightened up a few PCH
tests in preparation.
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1) Accidentally used delete [] on an array of statements that was allocated with ASTContext's allocator
2) Deserialization of names with multiple declarations (e.g., a struct and a function) used the wrong mangling constant, causing it to view declaration IDs as Decl*s.
403.gcc builds and links properly.
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- Strip off extra parens when looking for casts.
- Change the location info to point at the cast (instead of the
assignment).
For example, on
int *b;
#define a ((void*) b)
void f0() {
a = 10;
}
we now emit:
/tmp/t.c:4:3: error: assignment to cast is illegal, lvalue casts are not supported
a = 10;
^ ~
/tmp/t.c:2:12: note: instantiated from:
#define a ((void*) b)
~^~~~~~~~~~
instead of:
/tmp/t.c:4:5: error: expression is not assignable
a = 10;
~ ^
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syntax into extension warnings, and provide code-modification hints
showing how to fix the problem.
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Ted Kremenek
Chris Lattner
Zhongxing Xu
Steve Naroff
Anders Carlsson
Argyrios Kyrtzidis
Douglas Gregor
Nate Begeman
Fariborz Jahanian
Sebastian Redl
Eli Friedman
Daniel Dunbar