opth-gen.awk: Generate mapping from cpp message reasons to the options that enable them.
gcc/ChangeLog: 2014-09-09 Manuel López-Ibáñez <manu@gcc.gnu.org> * opth-gen.awk: Generate mapping from cpp message reasons to the options that enable them. * doc/options.texi (CppReason): Document. gcc/c-family/ChangeLog: 2014-09-09 Manuel López-Ibáñez <manu@gcc.gnu.org> * c.opt: Add CppReason to various flags. (Wdate-time): Re-sort. * c-common.c: Include c-common.h earlier. (struct reason_option_codes_t): Delete. (c_option_controlling_cpp_error): Prefix global type and struct with cpp_. From-SVN: r215095
This commit is contained in:
Manuel López-Ibáñez
parent
1ef33fd4cd
commit
b559c810f3
@ -1,3 +1,9 @@
|
||||
2014-09-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
|
||||
|
||||
* opth-gen.awk: Generate mapping from cpp message reasons to the
|
||||
options that enable them.
|
||||
* doc/options.texi (CppReason): Document.
|
||||
|
||||
2014-09-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
|
||||
|
||||
* doc/invoke.texi (Wnormalized=): Update.
|
||||
|
||||
@ -1,3 +1,12 @@
|
||||
2014-09-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
|
||||
|
||||
* c.opt: Add CppReason to various flags.
|
||||
(Wdate-time): Re-sort.
|
||||
* c-common.c: Include c-common.h earlier.
|
||||
(struct reason_option_codes_t): Delete.
|
||||
(c_option_controlling_cpp_error): Prefix global type and struct
|
||||
with cpp_.
|
||||
|
||||
2014-09-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
|
||||
|
||||
* c.opt (Wnormalized): New.
|
||||
|
||||
@ -20,6 +20,7 @@ along with GCC; see the file COPYING3. If not see
|
||||
#include "config.h"
|
||||
#include "system.h"
|
||||
#include "coretypes.h"
|
||||
#include "c-common.h"
|
||||
#include "tm.h"
|
||||
#include "intl.h"
|
||||
#include "tree.h"
|
||||
@ -32,7 +33,6 @@ along with GCC; see the file COPYING3. If not see
|
||||
#include "trans-mem.h"
|
||||
#include "flags.h"
|
||||
#include "c-pragma.h"
|
||||
#include "c-common.h"
|
||||
#include "c-objc.h"
|
||||
#include "tm_p.h"
|
||||
#include "obstack.h"
|
||||
@ -9666,47 +9666,15 @@ c_parse_error (const char *gmsgid, enum cpp_ttype token_type,
|
||||
#undef catenate_messages
|
||||
}
|
||||
|
||||
/* Mapping for cpp message reasons to the options that enable them. */
|
||||
|
||||
struct reason_option_codes_t
|
||||
{
|
||||
const int reason; /* cpplib message reason. */
|
||||
const int option_code; /* gcc option that controls this message. */
|
||||
};
|
||||
|
||||
static const struct reason_option_codes_t option_codes[] = {
|
||||
{CPP_W_BUILTIN_MACRO_REDEFINED, OPT_Wbuiltin_macro_redefined},
|
||||
{CPP_W_C90_C99_COMPAT, OPT_Wc90_c99_compat},
|
||||
{CPP_W_COMMENTS, OPT_Wcomment},
|
||||
{CPP_W_CXX_OPERATOR_NAMES, OPT_Wc___compat},
|
||||
{CPP_W_DATE_TIME, OPT_Wdate_time},
|
||||
{CPP_W_DEPRECATED, OPT_Wdeprecated},
|
||||
{CPP_W_ENDIF_LABELS, OPT_Wendif_labels},
|
||||
{CPP_W_INVALID_PCH, OPT_Winvalid_pch},
|
||||
{CPP_W_LITERAL_SUFFIX, OPT_Wliteral_suffix},
|
||||
{CPP_W_LONG_LONG, OPT_Wlong_long},
|
||||
{CPP_W_MISSING_INCLUDE_DIRS, OPT_Wmissing_include_dirs},
|
||||
{CPP_W_MULTICHAR, OPT_Wmultichar},
|
||||
{CPP_W_NORMALIZE, OPT_Wnormalized_},
|
||||
{CPP_W_PEDANTIC, OPT_Wpedantic},
|
||||
{CPP_W_TRADITIONAL, OPT_Wtraditional},
|
||||
{CPP_W_TRIGRAPHS, OPT_Wtrigraphs},
|
||||
{CPP_W_UNDEF, OPT_Wundef},
|
||||
{CPP_W_UNUSED_MACROS, OPT_Wunused_macros},
|
||||
{CPP_W_VARIADIC_MACROS, OPT_Wvariadic_macros},
|
||||
{CPP_W_WARNING_DIRECTIVE, OPT_Wcpp},
|
||||
{CPP_W_NONE, 0}
|
||||
};
|
||||
|
||||
/* Return the gcc option code associated with the reason for a cpp
|
||||
message, or 0 if none. */
|
||||
|
||||
static int
|
||||
c_option_controlling_cpp_error (int reason)
|
||||
{
|
||||
const struct reason_option_codes_t *entry;
|
||||
const struct cpp_reason_option_codes_t *entry;
|
||||
|
||||
for (entry = option_codes; entry->reason != CPP_W_NONE; entry++)
|
||||
for (entry = cpp_reason_option_codes; entry->reason != CPP_W_NONE; entry++)
|
||||
{
|
||||
if (entry->reason == reason)
|
||||
return entry->option_code;
|
||||
|
||||
@ -292,11 +292,11 @@ C ObjC C++ ObjC++ Var(warn_bool_compare) Warning LangEnabledBy(C ObjC C++ ObjC++
|
||||
Warn about boolean expression compared with an integer value different from true/false
|
||||
|
||||
Wbuiltin-macro-redefined
|
||||
C ObjC C++ ObjC++ CPP(warn_builtin_macro_redefined) Var(cpp_warn_builtin_macro_redefined) Init(1) Warning
|
||||
C ObjC C++ ObjC++ CPP(warn_builtin_macro_redefined) CppReason(CPP_W_BUILTIN_MACRO_REDEFINED) Var(cpp_warn_builtin_macro_redefined) Init(1) Warning
|
||||
Warn when a built-in preprocessor macro is undefined or redefined
|
||||
|
||||
Wc90-c99-compat
|
||||
C ObjC CPP(cpp_warn_c90_c99_compat) Var(warn_c90_c99_compat) Init(-1) Warning
|
||||
C ObjC CPP(cpp_warn_c90_c99_compat) CppReason(CPP_W_C90_C99_COMPAT) Var(warn_c90_c99_compat) Init(-1) Warning
|
||||
Warn about features not present in ISO C90, but present in ISO C99
|
||||
|
||||
Wc99-c11-compat
|
||||
@ -304,7 +304,7 @@ C ObjC Var(warn_c99_c11_compat) Init(-1) Warning
|
||||
Warn about features not present in ISO C99, but present in ISO C11
|
||||
|
||||
Wc++-compat
|
||||
C ObjC Var(warn_cxx_compat) CPP(warn_cxx_operator_names) Init(0) Warning
|
||||
C ObjC Var(warn_cxx_compat) CPP(warn_cxx_operator_names) CppReason(CPP_W_CXX_OPERATOR_NAMES) Init(0) Warning
|
||||
Warn about C constructs that are not in the common subset of C and C++
|
||||
|
||||
Wc++0x-compat
|
||||
@ -328,7 +328,7 @@ C ObjC C++ ObjC++ Var(warn_clobbered) Warning EnabledBy(Wextra)
|
||||
Warn about variables that might be changed by \"longjmp\" or \"vfork\"
|
||||
|
||||
Wcomment
|
||||
C ObjC C++ ObjC++ CPP(warn_comments) Var(cpp_warn_comment) Init(0) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall)
|
||||
C ObjC C++ ObjC++ CPP(warn_comments) CppReason(CPP_W_COMMENTS) Var(cpp_warn_comment) Init(0) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall)
|
||||
Warn about possibly nested block comments, and C++ comments spanning more than one physical line
|
||||
|
||||
Wcomments
|
||||
@ -347,10 +347,18 @@ Wconversion-null
|
||||
C++ ObjC++ Var(warn_conversion_null) Init(1) Warning
|
||||
Warn for converting NULL from/to a non-pointer type
|
||||
|
||||
Wcpp
|
||||
C ObjC C++ ObjC++ CppReason(CPP_W_WARNING_DIRECTIVE)
|
||||
; Documented in common.opt
|
||||
|
||||
Wctor-dtor-privacy
|
||||
C++ ObjC++ Var(warn_ctor_dtor_privacy) Warning
|
||||
Warn when all constructors and destructors are private
|
||||
|
||||
Wdate-time
|
||||
C ObjC C++ ObjC++ CPP(warn_date_time) CppReason(CPP_W_DATE_TIME) Var(cpp_warn_date_time) Init(0) Warning
|
||||
Warn about __TIME__, __DATE__ and __TIMESTAMP__ usage
|
||||
|
||||
Wdeclaration-after-statement
|
||||
C ObjC Var(warn_declaration_after_statement) Init(-1) Warning
|
||||
Warn when a declaration is found after a statement
|
||||
@ -368,7 +376,7 @@ LangEnabledBy(C++ ObjC++,Weffc++)
|
||||
;
|
||||
|
||||
Wdeprecated
|
||||
C C++ ObjC ObjC++ CPP(cpp_warn_deprecated) Var(warn_deprecated) Init(1) Warning
|
||||
C C++ ObjC ObjC++ CPP(cpp_warn_deprecated) CppReason(CPP_W_DEPRECATED) Var(warn_deprecated) Init(1) Warning
|
||||
Warn if a deprecated compiler feature, class, method, or field is used
|
||||
|
||||
Wdesignated-init
|
||||
@ -392,7 +400,7 @@ C ObjC C++ ObjC++ Var(warn_empty_body) Warning EnabledBy(Wextra)
|
||||
Warn about an empty body in an if or else statement
|
||||
|
||||
Wendif-labels
|
||||
C ObjC C++ ObjC++ CPP(warn_endif_labels) Var(cpp_warn_endif_labels) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic)
|
||||
C ObjC C++ ObjC++ CPP(warn_endif_labels) CppReason(CPP_W_ENDIF_LABELS) Var(cpp_warn_endif_labels) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic)
|
||||
Warn about stray tokens after #elif and #endif
|
||||
|
||||
Wenum-compare
|
||||
@ -503,7 +511,7 @@ C++ ObjC++ Var(warn_invalid_offsetof) Init(1) Warning
|
||||
Warn about invalid uses of the \"offsetof\" macro
|
||||
|
||||
Winvalid-pch
|
||||
C ObjC C++ ObjC++ CPP(warn_invalid_pch) Var(cpp_warn_invalid_pch) Init(0) Warning
|
||||
C ObjC C++ ObjC++ CPP(warn_invalid_pch) CppReason(CPP_W_INVALID_PCH) Var(cpp_warn_invalid_pch) Init(0) Warning
|
||||
Warn about PCH files that are found but not used
|
||||
|
||||
Wjump-misses-init
|
||||
@ -511,7 +519,7 @@ C ObjC Var(warn_jump_misses_init) Warning LangEnabledby(C ObjC,Wc++-compat)
|
||||
Warn when a jump misses a variable initialization
|
||||
|
||||
Wliteral-suffix
|
||||
C++ ObjC++ CPP(warn_literal_suffix) Var(cpp_warn_literal_suffix) Init(1) Warning
|
||||
C++ ObjC++ CPP(warn_literal_suffix) CppReason(CPP_W_LITERAL_SUFFIX) Var(cpp_warn_literal_suffix) Init(1) Warning
|
||||
Warn when a string or character literal is followed by a ud-suffix which does not begin with an underscore.
|
||||
|
||||
Wlogical-op
|
||||
@ -523,7 +531,7 @@ C ObjC C++ ObjC++ Var(warn_logical_not_paren) Warning LangEnabledBy(C ObjC C++ O
|
||||
Warn when logical not is used on the left hand side operand of a comparison
|
||||
|
||||
Wlong-long
|
||||
C ObjC C++ ObjC++ CPP(cpp_warn_long_long) Var(warn_long_long) Init(-1) Warning LangEnabledBy(C ObjC,Wc90-c99-compat)
|
||||
C ObjC C++ ObjC++ CPP(cpp_warn_long_long) CppReason(CPP_W_LONG_LONG) Var(warn_long_long) Init(-1) Warning LangEnabledBy(C ObjC,Wc90-c99-compat)
|
||||
Do not warn about using \"long long\" when -pedantic
|
||||
|
||||
Wmain
|
||||
@ -583,7 +591,7 @@ C ObjC C++ ObjC++ Alias(Wsuggest-attribute=format)
|
||||
;
|
||||
|
||||
Wmissing-include-dirs
|
||||
C ObjC C++ ObjC++ CPP(warn_missing_include_dirs) Var(cpp_warn_missing_include_dirs) Init(0) Warning
|
||||
C ObjC C++ ObjC++ CPP(warn_missing_include_dirs) CppReason(CPP_W_MISSING_INCLUDE_DIRS) Var(cpp_warn_missing_include_dirs) Init(0) Warning
|
||||
Warn about user-specified include directories that do not exist
|
||||
|
||||
Wmissing-parameter-type
|
||||
@ -598,7 +606,7 @@ Wmudflap
|
||||
C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
|
||||
|
||||
Wmultichar
|
||||
C ObjC C++ ObjC++ CPP(warn_multichar) Var(cpp_warn_multichar) Init(0) Warning
|
||||
C ObjC C++ ObjC++ CPP(warn_multichar) CppReason(CPP_W_MULTICHAR) Var(cpp_warn_multichar) Init(0) Warning
|
||||
Warn about use of multi-character character constants
|
||||
|
||||
Wnarrowing
|
||||
@ -638,7 +646,7 @@ C ObjC C++ ObjC++ Alias(Wnormalized=,nfc,none)
|
||||
;
|
||||
|
||||
Wnormalized=
|
||||
C ObjC C++ ObjC++ RejectNegative Joined Warning CPP(warn_normalize) Init(normalized_C) Var(cpp_warn_normalize) Enum(cpp_normalize_level)
|
||||
C ObjC C++ ObjC++ RejectNegative Joined Warning CPP(warn_normalize) CppReason(CPP_W_NORMALIZE) Init(normalized_C) Var(cpp_warn_normalize) Enum(cpp_normalize_level)
|
||||
-Wnormalized=<none|id|nfc|nfkc> Warn about non-normalised Unicode strings
|
||||
|
||||
; Required for these enum values.
|
||||
@ -697,7 +705,7 @@ C ObjC C++ ObjC++ Var(warn_parentheses) Warning LangEnabledBy(C ObjC C++ ObjC++,
|
||||
Warn about possibly missing parentheses
|
||||
|
||||
Wpedantic
|
||||
C ObjC C++ ObjC++ CPP(cpp_pedantic) Warning
|
||||
C ObjC C++ ObjC++ CPP(cpp_pedantic) CppReason(CPP_W_PEDANTIC) Warning
|
||||
; Documented in common.opt
|
||||
|
||||
Wpmf-conversions
|
||||
@ -724,10 +732,6 @@ Wpragmas
|
||||
C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning
|
||||
Warn about misuses of pragmas
|
||||
|
||||
Wdate-time
|
||||
C ObjC C++ ObjC++ CPP(warn_date_time) Var(cpp_warn_date_time) Init(0) Warning
|
||||
Warn about __TIME__, __DATE__ and __TIMESTAMP__ usage
|
||||
|
||||
Wproperty-assign-default
|
||||
ObjC ObjC++ Var(warn_property_assign_default) Init(1) Warning
|
||||
Warn if a property for an Objective-C object has no assign semantics specified
|
||||
@ -809,7 +813,7 @@ C ObjC C++ ObjC++ Warning
|
||||
; Documented in common.opt
|
||||
|
||||
Wtraditional
|
||||
C ObjC CPP(cpp_warn_traditional) Var(warn_traditional) Init(0) Warning
|
||||
C ObjC CPP(cpp_warn_traditional) CppReason(CPP_W_TRADITIONAL) Var(warn_traditional) Init(0) Warning
|
||||
Warn about features not present in traditional C
|
||||
|
||||
Wtraditional-conversion
|
||||
@ -817,7 +821,7 @@ C ObjC Var(warn_traditional_conversion) Warning
|
||||
Warn of prototypes causing type conversions different from what would happen in the absence of prototype
|
||||
|
||||
Wtrigraphs
|
||||
C ObjC C++ ObjC++ CPP(warn_trigraphs) Var(cpp_warn_trigraphs) Init(2) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall)
|
||||
C ObjC C++ ObjC++ CPP(warn_trigraphs) CppReason(CPP_W_TRIGRAPHS) Var(cpp_warn_trigraphs) Init(2) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall)
|
||||
Warn if trigraphs are encountered that might affect the meaning of the program
|
||||
|
||||
Wundeclared-selector
|
||||
@ -825,7 +829,7 @@ ObjC ObjC++ Var(warn_undeclared_selector) Warning
|
||||
Warn about @selector()s without previously declared methods
|
||||
|
||||
Wundef
|
||||
C ObjC C++ ObjC++ CPP(warn_undef) Var(cpp_warn_undef) Init(0) Warning
|
||||
C ObjC C++ ObjC++ CPP(warn_undef) CppReason(CPP_W_UNDEF) Var(cpp_warn_undef) Init(0) Warning
|
||||
Warn if an undefined macro is used in an #if directive
|
||||
|
||||
Wuninitialized
|
||||
@ -853,7 +857,7 @@ C ObjC C++ ObjC++ Var(warn_unused_local_typedefs) Warning EnabledBy(Wunused)
|
||||
Warn when typedefs locally defined in a function are not used
|
||||
|
||||
Wunused-macros
|
||||
C ObjC C++ ObjC++ Var(cpp_warn_unused_macros) Warning
|
||||
C ObjC C++ ObjC++ CppReason(CPP_W_UNUSED_MACROS) Var(cpp_warn_unused_macros) Warning
|
||||
Warn about macros defined in the main file that are not used
|
||||
|
||||
Wunused-result
|
||||
@ -861,7 +865,7 @@ C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning
|
||||
Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value
|
||||
|
||||
Wvariadic-macros
|
||||
C ObjC C++ ObjC++ CPP(warn_variadic_macros) Var(cpp_warn_variadic_macros) Init(0) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic)
|
||||
C ObjC C++ ObjC++ CPP(warn_variadic_macros) CppReason(CPP_W_VARIADIC_MACROS) Var(cpp_warn_variadic_macros) Init(0) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic)
|
||||
Warn about using variadic macros
|
||||
|
||||
Wvariadic-macros
|
||||
|
||||
@ -488,4 +488,9 @@ The state of this option should be kept in sync with the preprocessor
|
||||
option @var{var}. If this property is set, then properties @code{Var}
|
||||
and @code{Init} must be set as well.
|
||||
|
||||
@item CppReason(@var{CPP_W_Enum})
|
||||
This warning option corresponds to @code{cpplib.h} warning reason code
|
||||
@var{CPP_W_Enum}. This should only be used for warning options of the
|
||||
C-family front-ends.
|
||||
|
||||
@end table
|
||||
|
||||
@ -479,5 +479,32 @@ print " OPT_SPECIAL_program_name,"
|
||||
print " OPT_SPECIAL_input_file"
|
||||
print "};"
|
||||
print ""
|
||||
print "#ifdef GCC_C_COMMON_H"
|
||||
print "/* Mapping from cpp message reasons to the options that enable them. */"
|
||||
print "#include <cpplib.h>"
|
||||
print "struct cpp_reason_option_codes_t"
|
||||
print "{"
|
||||
print " const int reason; /* cpplib message reason. */"
|
||||
print " const int option_code; /* gcc option that controls this message. */"
|
||||
print "};"
|
||||
print ""
|
||||
print "static const struct cpp_reason_option_codes_t cpp_reason_option_codes[] = {"
|
||||
for (i = 0; i < n_opts; i++) {
|
||||
# With identical flags, pick only the last one. The
|
||||
# earlier loop ensured that it has all flags merged,
|
||||
# and a nonempty help text if one of the texts was nonempty.
|
||||
while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
|
||||
i++;
|
||||
}
|
||||
cpp_reason = nth_arg(0, opt_args("CppReason", flags[i]));
|
||||
if (cpp_reason != "") {
|
||||
cpp_reason = cpp_reason ",";
|
||||
printf(" {%-40s %s},\n", cpp_reason, opt_enum(opts[i]))
|
||||
}
|
||||
}
|
||||
printf(" {%-40s 0},\n", "CPP_W_NONE,")
|
||||
print "};"
|
||||
print "#endif"
|
||||
print ""
|
||||
print "#endif /* OPTIONS_H */"
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user