averello/swift-mirror
1
0
Fork 0
mirror of https://github.com/apple/swift.git synced 2025-12-21 12:14:44 +01:00
Code Issues Packages Projects Releases Wiki Activity

SIL: Add bits to distinguish get/set in SILModule.

Browse Source 
SIL needs a way to generate and reference getters and setters, which share a decl. Change SILModule to key its component Functions on a (ValueDecl, flags) pair rather than just on ValueDecl.

Swift SVN r3354
This commit is contained in:
Joe Groff
2012-12-04 21:42:35 +00:00
parent a221a6986b
commit 703bd9f355
3 changed files with 48 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
include/swift/SIL/SILModule.h
View File

@@ -20,6 +20,7 @@
#include "swift/SIL/SILBase.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/PointerIntPair.h"
namespace swift {
class TranslationUnit;
@@ -30,6 +31,22 @@ namespace swift {
class SILGenModule;
}
/// SILDeclFlags - Flags to differentiate SIL Function origins that cannot be
/// discriminated by ValueDecl alone. For instance, getters and setters are
/// associated with the same decl.
/// SILDecl - A reference to the originating declaration for a SIL Function.
/// This consists of a reference to a ValueDecl along with flags to
/// indicate what part of the decl the function is generated for.
typedef llvm::PointerIntPair<ValueDecl*, 2> SILDecl;
struct SILDeclFlags {
enum : unsigned {
Get = 1 << 1,
Set = 1 << 2
};
};
/// SILModule - A SIL translation unit. The module object owns all of the SIL
/// Function and other top-level objects generated when a translation unit is
/// lowered to SIL.
@@ -44,7 +61,7 @@ private:
ASTContext &Context;
/// The collection of all Functions in the module.
llvm::MapVector<ValueDecl*, Function*> functions;
llvm::MapVector<SILDecl, Function*> functions;
/// The top-level Function for the module.
Function *toplevel;
@@ -74,18 +91,28 @@ public:
}
/// Returns true if a Function was generated from the given declaration.
bool hasFunction(ValueDecl *decl) const {
bool hasFunction(SILDecl decl) const {
return functions.find(decl) != functions.end();
}
/// Returns true if a Function was generated from the given declaration.
bool hasFunction(ValueDecl *decl, unsigned declFlags = 0) const {
return hasFunction(SILDecl(decl, declFlags));
}
/// Returns a pointer to the Function generated from the given declaration.
Function *getFunction(ValueDecl *decl) const {
Function *getFunction(SILDecl decl) const {
auto found = functions.find(decl);
assert(found != functions.end() && "no Function generated for Decl");
return found->second;
}
/// Returns a pointer to the Function generated from the given declaration.
Function *getFunction(ValueDecl *decl, unsigned declFlags = 0) const {
return getFunction(SILDecl(decl, declFlags));
}
typedef llvm::MapVector<ValueDecl*, Function*>::const_iterator iterator;
typedef llvm::MapVector<SILDecl, Function*>::const_iterator iterator;
typedef iterator const_iterator;
iterator begin() const { return functions.begin(); }