Skip to content

[clang] Assert the enum FPOpts and LangOpts fit into the storage #126166

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Feb 11, 2025
Merged

[clang] Assert the enum FPOpts and LangOpts fit into the storage #126166

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
85540ed
[𝘀𝗽𝗿] initial version
fmayer Feb 7, 2025
7ec27d0
fmt
fmayer Feb 7, 2025
0d5a309
todo
fmayer Feb 11, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion clang/include/clang/Basic/FPOptions.def
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,5 +28,5 @@ OPTION(FPEvalMethod, LangOptions::FPEvalMethodKind, 2, AllowApproxFunc)
OPTION(Float16ExcessPrecision, LangOptions::ExcessPrecisionKind, 2, FPEvalMethod)
OPTION(BFloat16ExcessPrecision, LangOptions::ExcessPrecisionKind, 2, Float16ExcessPrecision)
OPTION(MathErrno, bool, 1, BFloat16ExcessPrecision)
OPTION(ComplexRange, LangOptions::ComplexRangeKind, 2, MathErrno)
OPTION(ComplexRange, LangOptions::ComplexRangeKind, 3, MathErrno)
#undef OPTION
2 changes: 1 addition & 1 deletion clang/include/clang/Basic/LangOptions.def
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -238,7 +238,7 @@ BENIGN_LANGOPT(NoSignedZero , 1, 0, "Permit Floating Point optimization wit
BENIGN_LANGOPT(AllowRecip , 1, 0, "Permit Floating Point reciprocal")
BENIGN_LANGOPT(ApproxFunc , 1, 0, "Permit Floating Point approximation")

ENUM_LANGOPT(ComplexRange, ComplexRangeKind, 2, CX_None, "Enable use of range reduction for complex arithmetics.")
ENUM_LANGOPT(ComplexRange, ComplexRangeKind, 3, CX_None, "Enable use of range reduction for complex arithmetics.")

BENIGN_LANGOPT(ObjCGCBitmapPrint , 1, 0, "printing of GC's bitmap layout for __weak/__strong ivars")

Expand Down
10 changes: 7 additions & 3 deletions clang/include/clang/Basic/LangOptions.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -648,9 +648,12 @@ class LangOptions : public LangOptionsBase {

// Define accessors/mutators for language options of enumeration type.
#define LANGOPT(Name, Bits, Default, Description)
#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
Type get##Name() const { return static_cast<Type>(Name); } \
void set##Name(Type Value) { Name = static_cast<unsigned>(Value); }
#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
Type get##Name() const { return static_cast<Type>(Name); } \
void set##Name(Type Value) { \
assert(static_cast<unsigned>(Value) < (1u << Bits)); \
Name = static_cast<unsigned>(Value); \
}
#include "clang/Basic/LangOptions.def"

/// Are we compiling a module?
Expand Down Expand Up @@ -964,6 +967,7 @@ class FPOptions {
return static_cast<TYPE>((Value & NAME##Mask) >> NAME##Shift); \
} \
void set##NAME(TYPE value) { \
assert(storage_type(value) < (1u << WIDTH)); \
Value = (Value & ~NAME##Mask) | (storage_type(value) << NAME##Shift); \
}
#include "clang/Basic/FPOptions.def"
Expand Down