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[CFG] Add iterator_ranges to CFG and CFGBlock. 

Summary: (Needed for D23353.)

Reviewers: alexfh

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D23842

llvm-svn: 281200
This commit is contained in:
Martin Bohme 2016-09-12 08:28:21 +00:00
parent 94df34f72d
commit 0eb4403f24
1 changed files with 25 additions and 0 deletions
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25
clang/include/clang/Analysis/CFG.h
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@ -22,6 +22,7 @@
#include "llvm/ADT/GraphTraits.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/PointerIntPair.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/raw_ostream.h"
@ -522,11 +523,15 @@ public:
typedef AdjacentBlocks::const_iterator const_pred_iterator;
typedef AdjacentBlocks::reverse_iterator pred_reverse_iterator;
typedef AdjacentBlocks::const_reverse_iterator const_pred_reverse_iterator;
typedef llvm::iterator_range<pred_iterator> pred_range;
typedef llvm::iterator_range<const_pred_iterator> pred_const_range;
typedef AdjacentBlocks::iterator succ_iterator;
typedef AdjacentBlocks::const_iterator const_succ_iterator;
typedef AdjacentBlocks::reverse_iterator succ_reverse_iterator;
typedef AdjacentBlocks::const_reverse_iterator const_succ_reverse_iterator;
typedef llvm::iterator_range<succ_iterator> succ_range;
typedef llvm::iterator_range<const_succ_iterator> succ_const_range;
pred_iterator pred_begin() { return Preds.begin(); }
pred_iterator pred_end() { return Preds.end(); }
@ -538,6 +543,13 @@ public:
const_pred_reverse_iterator pred_rbegin() const { return Preds.rbegin(); }
const_pred_reverse_iterator pred_rend() const { return Preds.rend(); }
pred_range preds() {
return pred_range(pred_begin(), pred_end());
}
pred_const_range preds() const {
return pred_const_range(pred_begin(), pred_end());
}
succ_iterator succ_begin() { return Succs.begin(); }
succ_iterator succ_end() { return Succs.end(); }
const_succ_iterator succ_begin() const { return Succs.begin(); }
@ -548,6 +560,13 @@ public:
const_succ_reverse_iterator succ_rbegin() const { return Succs.rbegin(); }
const_succ_reverse_iterator succ_rend() const { return Succs.rend(); }
succ_range succs() {
return succ_range(succ_begin(), succ_end());
}
succ_const_range succs() const {
return succ_const_range(succ_begin(), succ_end());
}
unsigned succ_size() const { return Succs.size(); }
bool succ_empty() const { return Succs.empty(); }
@ -840,6 +859,7 @@ public:
typedef llvm::DenseMap<const DeclStmt *, const DeclStmt *>::const_iterator
synthetic_stmt_iterator;
typedef llvm::iterator_range<synthetic_stmt_iterator> synthetic_stmt_range;
/// Iterates over synthetic DeclStmts in the CFG.
///
@ -855,6 +875,11 @@ public:
return SyntheticDeclStmts.end();
}
/// \sa synthetic_stmt_begin
synthetic_stmt_range synthetic_stmts() const {
return synthetic_stmt_range(synthetic_stmt_begin(), synthetic_stmt_end());
}
//===--------------------------------------------------------------------===//
// Member templates useful for various batch operations over CFGs.
//===--------------------------------------------------------------------===//