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[llvm-rc] Allow specifying language with a leading 0x prefix

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This option is always interpreted strictly as a hexadecimal string,
even if it has no prefix that indicates the number format, hence
the existing call to StringRef::getAsInteger(16, ...).

StringRef::getAsInteger(0, ...) consumes a leading "0x" prefix is
present, but when the radix is specified, the radix shouldn't
be included.

Both MS rc.exe and GNU windres accept the language with that
prefix.

Also allow specifying the codepage to llvm-windres with a different
radix, as GNU windres allows that (but MS rc.exe doesn't).

This fixes https://llvm.org/PR51295.

Differential Revision: https://reviews.llvm.org/D107263

(cherry picked from commit 46020f6f0c8aa134002208b2ecf0593b04c46d08)
This commit is contained in:
Martin Storsjö 2021-08-02 14:10:22 +03:00 committed by Tom Stellard
parent 910de616a4
commit 7563d8dfe5
3 changed files with 11 additions and 4 deletions
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2
test/tools/llvm-rc/codepage.test
View File

@ -4,6 +4,8 @@
; RUN: llvm-readobj %t.utf8.res | FileCheck %s --check-prefix=UTF8
; RUN: llvm-windres --no-preprocess --codepage 65001 %p/Inputs/utf8.rc %t.utf8.res
; RUN: llvm-readobj %t.utf8.res | FileCheck %s --check-prefix=UTF8
; RUN: llvm-windres --no-preprocess --codepage 0xfde9 %p/Inputs/utf8.rc %t.utf8.res
; RUN: llvm-readobj %t.utf8.res | FileCheck %s --check-prefix=UTF8
; UTF8: Resource type (int): STRINGTABLE (ID 6)
; UTF8-NEXT: Resource name (int): 1

2
test/tools/llvm-rc/language.test
View File

@ -6,6 +6,8 @@
; RUN: llvm-readobj %t.res | FileCheck %s
; RUN: llvm-windres --no-preprocess --language 40A %p/Inputs/language.rc %t.res
; RUN: llvm-readobj %t.res | FileCheck %s
; RUN: llvm-windres --no-preprocess -l 0x40A %p/Inputs/language.rc %t.res
; RUN: llvm-readobj %t.res | FileCheck %s
; CHECK: Resource name (int): 1
; CHECK-NEXT: Data version:

11
tools/llvm-rc/llvm-rc.cpp
View File

@ -476,13 +476,14 @@ RcOptions parseWindresOptions(ArrayRef<const char *> ArgsArr,
Opts.Params.CodePage = CpWin1252; // Different default
if (InputArgs.hasArg(WINDRES_codepage)) {
if (InputArgs.getLastArgValue(WINDRES_codepage)
.getAsInteger(10, Opts.Params.CodePage))
.getAsInteger(0, Opts.Params.CodePage))
fatalError("Invalid code page: " +
InputArgs.getLastArgValue(WINDRES_codepage));
}
if (InputArgs.hasArg(WINDRES_language)) {
if (InputArgs.getLastArgValue(WINDRES_language)
.getAsInteger(16, Opts.LangId))
StringRef Val = InputArgs.getLastArgValue(WINDRES_language);
Val.consume_front_insensitive("0x");
if (Val.getAsInteger(16, Opts.LangId))
fatalError("Invalid language id: " +
InputArgs.getLastArgValue(WINDRES_language));
}
@ -565,7 +566,9 @@ RcOptions parseRcOptions(ArrayRef<const char *> ArgsArr,
}
Opts.AppendNull = InputArgs.hasArg(OPT_add_null);
if (InputArgs.hasArg(OPT_lang_id)) {
if (InputArgs.getLastArgValue(OPT_lang_id).getAsInteger(16, Opts.LangId))
StringRef Val = InputArgs.getLastArgValue(OPT_lang_id);
Val.consume_front_insensitive("0x");
if (Val.getAsInteger(16, Opts.LangId))
fatalError("Invalid language id: " +
InputArgs.getLastArgValue(OPT_lang_id));
}