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Format string errors should underling the format string, not the function name. 

llvm-svn: 54067
This commit is contained in:
Ted Kremenek 2008-07-25 22:03:03 +00:00
parent 3f375d055e
commit 870f750434
1 changed files with 15 additions and 12 deletions
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27
clang/lib/Sema/SemaChecking.cpp
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@ -454,14 +454,16 @@ Sema::CheckPrintfArguments(CallExpr *TheCall, bool HasVAListArg,
return;
Diag(TheCall->getArg(format_idx)->getLocStart(),
diag::warn_printf_not_string_constant, Fn->getSourceRange());
diag::warn_printf_not_string_constant,
OrigFormatExpr->getSourceRange());
return;
}
// CHECK: is the format string a wide literal?
if (FExpr->isWide()) {
Diag(FExpr->getLocStart(),
diag::warn_printf_format_string_is_wide_literal, Fn->getSourceRange());
diag::warn_printf_format_string_is_wide_literal,
OrigFormatExpr->getSourceRange());
return;
}
@ -473,7 +475,7 @@ Sema::CheckPrintfArguments(CallExpr *TheCall, bool HasVAListArg,
if (StrLen == 0) {
Diag(FExpr->getLocStart(), diag::warn_printf_empty_format_string,
Fn->getSourceRange());
OrigFormatExpr->getSourceRange());
return;
}
@ -513,7 +515,7 @@ Sema::CheckPrintfArguments(CallExpr *TheCall, bool HasVAListArg,
// so the presence of a null character is likely an error.
Diag(PP.AdvanceToTokenCharacter(FExpr->getLocStart(), StrIdx+1),
diag::warn_printf_format_string_contains_null_char,
Fn->getSourceRange());
OrigFormatExpr->getSourceRange());
return;
}
@ -538,10 +540,10 @@ Sema::CheckPrintfArguments(CallExpr *TheCall, bool HasVAListArg,
if (Str[StrIdx-1] == '.')
Diag(Loc, diag::warn_printf_asterisk_precision_missing_arg,
Fn->getSourceRange());
OrigFormatExpr->getSourceRange());
else
Diag(Loc, diag::warn_printf_asterisk_width_missing_arg,
Fn->getSourceRange());
OrigFormatExpr->getSourceRange());
// Don't do any more checking. We'll just emit spurious errors.
return;
@ -604,7 +606,7 @@ Sema::CheckPrintfArguments(CallExpr *TheCall, bool HasVAListArg,
SourceLocation Loc = PP.AdvanceToTokenCharacter(FExpr->getLocStart(),
LastConversionIdx+1);
Diag(Loc, diag::warn_printf_write_back, Fn->getSourceRange());
Diag(Loc, diag::warn_printf_write_back, OrigFormatExpr->getSourceRange());
break;
}
@ -621,7 +623,7 @@ Sema::CheckPrintfArguments(CallExpr *TheCall, bool HasVAListArg,
Diag(Loc, diag::warn_printf_invalid_conversion,
std::string(Str+LastConversionIdx,
Str+std::min(LastConversionIdx+2, StrLen)),
Fn->getSourceRange());
OrigFormatExpr->getSourceRange());
}
++numConversions;
break;
@ -641,7 +643,7 @@ Sema::CheckPrintfArguments(CallExpr *TheCall, bool HasVAListArg,
Diag(Loc, diag::warn_printf_invalid_conversion,
std::string(Str+LastConversionIdx, Str+StrIdx),
Fn->getSourceRange());
OrigFormatExpr->getSourceRange());
// This conversion is broken. Advance to the next format
// conversion.
@ -665,7 +667,7 @@ Sema::CheckPrintfArguments(CallExpr *TheCall, bool HasVAListArg,
Diag(Loc, diag::warn_printf_invalid_conversion,
std::string(Str+LastConversionIdx,
Str+std::min(LastConversionIdx+2, StrLen)),
Fn->getSourceRange());
OrigFormatExpr->getSourceRange());
return;
}
@ -677,13 +679,14 @@ Sema::CheckPrintfArguments(CallExpr *TheCall, bool HasVAListArg,
LastConversionIdx);
Diag(Loc, diag::warn_printf_insufficient_data_args,
Fn->getSourceRange());
OrigFormatExpr->getSourceRange());
}
// CHECK: Does the number of data arguments exceed the number of
// format conversions in the format string?
else if (numConversions < numDataArgs)
Diag(TheCall->getArg(format_idx+numConversions+1)->getLocStart(),
diag::warn_printf_too_many_data_args, Fn->getSourceRange());
diag::warn_printf_too_many_data_args,
OrigFormatExpr->getSourceRange());
}
}