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This will report a ton of information. It's basically only good for
piping to a file and using Perl to gather any useful information.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D144136
Files:
clang/include/clang/Basic/DiagnosticGroups.td
clang/include/clang/Basic/DiagnosticSemaKinds.td
clang/lib/Sema/SemaChecking.cpp
Index: clang/lib/Sema/SemaChecking.cpp
===================================================================
--- clang/lib/Sema/SemaChecking.cpp
+++ clang/lib/Sema/SemaChecking.cpp
@@ -16323,6 +16323,10 @@
else if (size.getBitWidth() < index.getBitWidth())
size = size.zext(index.getBitWidth());
+ Context.getDiagnostics().Report(
+ BaseExpr->getBeginLoc(), diag::remark_array_access)
+ << 0 << ArrayTy->desugar() << toString(index, 10, true);
+
// For array subscripting the index must be less than size, but for pointer
// arithmetic also allow the index (offset) to be equal to size since
// computing the next address after the end of the array is legal and
Index: clang/include/clang/Basic/DiagnosticSemaKinds.td
===================================================================
--- clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -9450,6 +9450,10 @@
def note_array_declared_here : Note<
"array %0 declared here">;
+def remark_array_access : Remark<
+ "accessing %select{fixed|dynamic}0 sized array %1 by %2">,
+ InGroup<ArrayBoundsRemarks>;
+
def warn_inconsistent_array_form : Warning<
"argument %0 of type %1 with mismatched bound">,
InGroup<ArrayParameter>, DefaultIgnore;
Index: clang/include/clang/Basic/DiagnosticGroups.td
===================================================================
--- clang/include/clang/Basic/DiagnosticGroups.td
+++ clang/include/clang/Basic/DiagnosticGroups.td
@@ -1304,6 +1304,9 @@
def ProfileInstrUnprofiled : DiagGroup<"profile-instr-unprofiled">;
def MisExpect : DiagGroup<"misexpect">;
+// Array bounds remarks.
+def ArrayBoundsRemarks : DiagGroup<"array-bounds">;
+
// AddressSanitizer frontend instrumentation remarks.
def SanitizeAddressRemarks : DiagGroup<"sanitize-address">;
Index: clang/lib/Sema/SemaChecking.cpp
===================================================================
--- clang/lib/Sema/SemaChecking.cpp
+++ clang/lib/Sema/SemaChecking.cpp
@@ -16323,6 +16323,10 @@
else if (size.getBitWidth() < index.getBitWidth())
size = size.zext(index.getBitWidth());
+ Context.getDiagnostics().Report(
+ BaseExpr->getBeginLoc(), diag::remark_array_access)
+ << 0 << ArrayTy->desugar() << toString(index, 10, true);
+
// For array subscripting the index must be less than size, but for pointer
// arithmetic also allow the index (offset) to be equal to size since
// computing the next address after the end of the array is legal and
Index: clang/include/clang/Basic/DiagnosticSemaKinds.td
===================================================================
--- clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -9450,6 +9450,10 @@
def note_array_declared_here : Note<
"array %0 declared here">;
+def remark_array_access : Remark<
+ "accessing %select{fixed|dynamic}0 sized array %1 by %2">,
+ InGroup<ArrayBoundsRemarks>;
+
def warn_inconsistent_array_form : Warning<
"argument %0 of type %1 with mismatched bound">,
InGroup<ArrayParameter>, DefaultIgnore;
Index: clang/include/clang/Basic/DiagnosticGroups.td
===================================================================
--- clang/include/clang/Basic/DiagnosticGroups.td
+++ clang/include/clang/Basic/DiagnosticGroups.td
@@ -1304,6 +1304,9 @@
def ProfileInstrUnprofiled : DiagGroup<"profile-instr-unprofiled">;
def MisExpect : DiagGroup<"misexpect">;
+// Array bounds remarks.
+def ArrayBoundsRemarks : DiagGroup<"array-bounds">;
+
// AddressSanitizer frontend instrumentation remarks.
def SanitizeAddressRemarks : DiagGroup<"sanitize-address">;
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