This revision was automatically updated to reflect the committed changes.
Closed by commit rL278546: Analyze include order on a per-file basis. (authored
by zturner).
Changed prior to commit:
https://reviews.llvm.org/D23434?vs=67777&id=67876#toc
Repository:
rL LLVM
https://reviews.llvm.org/D23434
Files:
clang-tools-extra/trunk/clang-tidy/llvm/IncludeOrderCheck.cpp
clang-tools-extra/trunk/test/clang-tidy/Inputs/Headers/cross-file-a.h
clang-tools-extra/trunk/test/clang-tidy/Inputs/Headers/cross-file-b.h
clang-tools-extra/trunk/test/clang-tidy/Inputs/Headers/cross-file-c.h
clang-tools-extra/trunk/test/clang-tidy/clang-cl-driver.cpp
clang-tools-extra/trunk/test/clang-tidy/llvm-include-order.cpp
Index: clang-tools-extra/trunk/clang-tidy/llvm/IncludeOrderCheck.cpp
===================================================================
--- clang-tools-extra/trunk/clang-tidy/llvm/IncludeOrderCheck.cpp
+++ clang-tools-extra/trunk/clang-tidy/llvm/IncludeOrderCheck.cpp
@@ -12,6 +12,8 @@
#include "clang/Lex/PPCallbacks.h"
#include "clang/Lex/Preprocessor.h"
+#include <map>
+
namespace clang {
namespace tidy {
namespace llvm {
@@ -37,7 +39,9 @@
bool IsAngled; ///< true if this was an include with angle brackets
bool IsMainModule; ///< true if this was the first include in a file
};
- std::vector<IncludeDirective> IncludeDirectives;
+
+ typedef std::vector<IncludeDirective> FileIncludes;
+ std::map<clang::FileID, FileIncludes> IncludeDirectives;
bool LookForMainModule;
ClangTidyCheck &Check;
@@ -80,7 +84,9 @@
ID.IsMainModule = true;
LookForMainModule = false;
}
- IncludeDirectives.push_back(std::move(ID));
+
+ // Bucket the include directives by the id of the file they were declared in.
+ IncludeDirectives[SM.getFileID(HashLoc)].push_back(std::move(ID));
}
void IncludeOrderPPCallbacks::EndOfMainFile() {
@@ -95,69 +101,73 @@
// FIXME: We should be more careful about sorting below comments as we don't
// know if the comment refers to the next include or the whole block that
// follows.
- std::vector<unsigned> Blocks(1, 0);
- for (unsigned I = 1, E = IncludeDirectives.size(); I != E; ++I)
- if (SM.getExpansionLineNumber(IncludeDirectives[I].Loc) !=
- SM.getExpansionLineNumber(IncludeDirectives[I - 1].Loc) + 1)
- Blocks.push_back(I);
- Blocks.push_back(IncludeDirectives.size()); // Sentinel value.
-
- // Get a vector of indices.
- std::vector<unsigned> IncludeIndices;
- for (unsigned I = 0, E = IncludeDirectives.size(); I != E; ++I)
- IncludeIndices.push_back(I);
-
- // Sort the includes. We first sort by priority, then lexicographically.
- for (unsigned BI = 0, BE = Blocks.size() - 1; BI != BE; ++BI)
- std::sort(IncludeIndices.begin() + Blocks[BI],
- IncludeIndices.begin() + Blocks[BI + 1],
- [this](unsigned LHSI, unsigned RHSI) {
- IncludeDirective &LHS = IncludeDirectives[LHSI];
- IncludeDirective &RHS = IncludeDirectives[RHSI];
-
- int PriorityLHS =
- getPriority(LHS.Filename, LHS.IsAngled, LHS.IsMainModule);
- int PriorityRHS =
- getPriority(RHS.Filename, RHS.IsAngled, RHS.IsMainModule);
-
- return std::tie(PriorityLHS, LHS.Filename) <
- std::tie(PriorityRHS, RHS.Filename);
- });
-
- // Emit a warning for each block and fixits for all changes within that block.
- for (unsigned BI = 0, BE = Blocks.size() - 1; BI != BE; ++BI) {
- // Find the first include that's not in the right position.
- unsigned I, E;
- for (I = Blocks[BI], E = Blocks[BI + 1]; I != E; ++I)
- if (IncludeIndices[I] != I)
- break;
-
- if (I == E)
- continue;
-
- // Emit a warning.
- auto D = Check.diag(IncludeDirectives[I].Loc,
- "#includes are not sorted properly");
-
- // Emit fix-its for all following includes in this block.
- for (; I != E; ++I) {
- if (IncludeIndices[I] == I)
- continue;
- const IncludeDirective &CopyFrom = IncludeDirectives[IncludeIndices[I]];
-
- SourceLocation FromLoc = CopyFrom.Range.getBegin();
- const char *FromData = SM.getCharacterData(FromLoc);
- unsigned FromLen = std::strcspn(FromData, "\n");
+ for (auto &Bucket : IncludeDirectives) {
+ auto &FileDirectives = Bucket.second;
+ std::vector<unsigned> Blocks(1, 0);
+ for (unsigned I = 1, E = FileDirectives.size(); I != E; ++I)
+ if (SM.getExpansionLineNumber(FileDirectives[I].Loc) !=
+ SM.getExpansionLineNumber(FileDirectives[I - 1].Loc) + 1)
+ Blocks.push_back(I);
+ Blocks.push_back(FileDirectives.size()); // Sentinel value.
+
+ // Get a vector of indices.
+ std::vector<unsigned> IncludeIndices;
+ for (unsigned I = 0, E = FileDirectives.size(); I != E; ++I)
+ IncludeIndices.push_back(I);
+
+ // Sort the includes. We first sort by priority, then lexicographically.
+ for (unsigned BI = 0, BE = Blocks.size() - 1; BI != BE; ++BI)
+ std::sort(IncludeIndices.begin() + Blocks[BI],
+ IncludeIndices.begin() + Blocks[BI + 1],
+ [&FileDirectives](unsigned LHSI, unsigned RHSI) {
+ IncludeDirective &LHS = FileDirectives[LHSI];
+ IncludeDirective &RHS = FileDirectives[RHSI];
+
+ int PriorityLHS =
+ getPriority(LHS.Filename, LHS.IsAngled, LHS.IsMainModule);
+ int PriorityRHS =
+ getPriority(RHS.Filename, RHS.IsAngled, RHS.IsMainModule);
+
+ return std::tie(PriorityLHS, LHS.Filename) <
+ std::tie(PriorityRHS, RHS.Filename);
+ });
+
+ // Emit a warning for each block and fixits for all changes within that
+ // block.
+ for (unsigned BI = 0, BE = Blocks.size() - 1; BI != BE; ++BI) {
+ // Find the first include that's not in the right position.
+ unsigned I, E;
+ for (I = Blocks[BI], E = Blocks[BI + 1]; I != E; ++I)
+ if (IncludeIndices[I] != I)
+ break;
- StringRef FixedName(FromData, FromLen);
+ if (I == E)
+ continue;
- SourceLocation ToLoc = IncludeDirectives[I].Range.getBegin();
- const char *ToData = SM.getCharacterData(ToLoc);
- unsigned ToLen = std::strcspn(ToData, "\n");
- auto ToRange =
- CharSourceRange::getCharRange(ToLoc, ToLoc.getLocWithOffset(ToLen));
+ // Emit a warning.
+ auto D = Check.diag(FileDirectives[I].Loc,
+ "#includes are not sorted properly");
+
+ // Emit fix-its for all following includes in this block.
+ for (; I != E; ++I) {
+ if (IncludeIndices[I] == I)
+ continue;
+ const IncludeDirective &CopyFrom = FileDirectives[IncludeIndices[I]];
+
+ SourceLocation FromLoc = CopyFrom.Range.getBegin();
+ const char *FromData = SM.getCharacterData(FromLoc);
+ unsigned FromLen = std::strcspn(FromData, "\n");
+
+ StringRef FixedName(FromData, FromLen);
+
+ SourceLocation ToLoc = FileDirectives[I].Range.getBegin();
+ const char *ToData = SM.getCharacterData(ToLoc);
+ unsigned ToLen = std::strcspn(ToData, "\n");
+ auto ToRange =
+ CharSourceRange::getCharRange(ToLoc, ToLoc.getLocWithOffset(ToLen));
- D << FixItHint::CreateReplacement(ToRange, FixedName);
+ D << FixItHint::CreateReplacement(ToRange, FixedName);
+ }
}
}
Index: clang-tools-extra/trunk/test/clang-tidy/clang-cl-driver.cpp
===================================================================
--- clang-tools-extra/trunk/test/clang-tidy/clang-cl-driver.cpp
+++ clang-tools-extra/trunk/test/clang-tidy/clang-cl-driver.cpp
@@ -0,0 +1,17 @@
+// RUN: clang-tidy -checks=-*,modernize-use-nullptr %s -- clang-cl /DTEST1 /DFOO=foo /DBAR=bar | FileCheck -implicit-check-not="{{warning|error}}:" %s
+int *a = 0;
+// CHECK: :[[@LINE-1]]:10: warning: use nullptr
+#ifdef TEST1
+int *b = 0;
+// CHECK: :[[@LINE-1]]:10: warning: use nullptr
+#endif
+#define foo 1
+#define bar 1
+#if FOO
+int *c = 0;
+// CHECK: :[[@LINE-1]]:10: warning: use nullptr
+#endif
+#if BAR
+int *d = 0;
+// CHECK: :[[@LINE-1]]:10: warning: use nullptr
+#endif
\ No newline at end of file
Index: clang-tools-extra/trunk/test/clang-tidy/llvm-include-order.cpp
===================================================================
--- clang-tools-extra/trunk/test/clang-tidy/llvm-include-order.cpp
+++ clang-tools-extra/trunk/test/clang-tidy/llvm-include-order.cpp
@@ -35,3 +35,8 @@
// CHECK-FIXES: #include "a.h"
// CHECK-FIXES-NEXT: #include "b.h"
+
+// CHECK-MESSAGES-NOT: [[@LINE+1]]:1: warning: #includes are not sorted properly
+#include "cross-file-c.h"
+// This line number should correspond to the position of the #include in cross-file-c.h
+#include "cross-file-a.h"
Index: clang-tools-extra/trunk/test/clang-tidy/Inputs/Headers/cross-file-c.h
===================================================================
--- clang-tools-extra/trunk/test/clang-tidy/Inputs/Headers/cross-file-c.h
+++ clang-tools-extra/trunk/test/clang-tidy/Inputs/Headers/cross-file-c.h
@@ -0,0 +1,41 @@
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+// The line number of the following include should match the location of the
+// corresponding comment in llvm-include-order.cpp
+#include "cross-file-b.h"
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