options.texi: Document that Var and Init are required if CPP is given.
gcc/ChangeLog: 2014-09-04 Manuel López-Ibáñez <manu@gcc.gnu.org> * doc/options.texi: Document that Var and Init are required if CPP is given. * optc-gen.awk: Require Var and Init if CPP is given. * common.opt (Wpedantic): Use Init. libcpp/ChangeLog: 2014-09-04 Manuel López-Ibáñez <manu@gcc.gnu.org> * macro.c (replace_args): Use cpp_pedwarning, cpp_warning and CPP_W flags. * include/cpplib.h: Add CPP_W_C90_C99_COMPAT and CPP_W_PEDANTIC. * init.c (cpp_create_reader): Do not init to -1 here. * expr.c (num_binary_op): Use cpp_pedwarning. gcc/c-family/ChangeLog: 2014-09-04 Manuel López-Ibáñez <manu@gcc.gnu.org> * c.opt (Wc90-c99-compat,Wc++-compat,Wcomment,Wendif-labels, Winvalid-pch,Wlong-long,Wmissing-include-dirs,Wmultichar,Wpedantic, (Wdate-time,Wtraditional,Wundef,Wvariadic-macros): Add CPP, Var and Init. * c-opts.c (c_common_handle_option): Do not handle here. (sanitize_cpp_opts): Likewise. * c-common.c (struct reason_option_codes_t): Handle CPP_W_C90_C99_COMPAT and CPP_W_PEDANTIC. gcc/testsuite/ChangeLog: 2014-09-04 Manuel López-Ibáñez <manu@gcc.gnu.org> * gcc.dg/cpp/endif-pedantic2.c: More general options do not override specific ones, but specific ones do. From-SVN: r214904
This commit is contained in:
Manuel López-Ibáñez
parent
6bf5ce8f85
commit
2b71f4a4f8
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@ -1,3 +1,10 @@
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2014-09-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
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* doc/options.texi: Document that Var and Init are required if CPP
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is given.
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* optc-gen.awk: Require Var and Init if CPP is given.
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* common.opt (Wpedantic): Use Init.
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2014-09-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
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* config/rs6000/rs6000.c (special_handling_values): Add
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@ -1,3 +1,14 @@
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2014-09-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
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* c.opt (Wc90-c99-compat,Wc++-compat,Wcomment,Wendif-labels,
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Winvalid-pch,Wlong-long,Wmissing-include-dirs,Wmultichar,Wpedantic,
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(Wdate-time,Wtraditional,Wundef,Wvariadic-macros): Add CPP, Var
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and Init.
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* c-opts.c (c_common_handle_option): Do not handle here.
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(sanitize_cpp_opts): Likewise.
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* c-common.c (struct reason_option_codes_t): Handle
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CPP_W_C90_C99_COMPAT and CPP_W_PEDANTIC.
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2014-09-03 Marek Polacek <polacek@redhat.com>
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* c.opt (Wlogical-not-parentheses): Enable by -Wall.
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@ -9676,6 +9676,7 @@ struct reason_option_codes_t
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static const struct reason_option_codes_t option_codes[] = {
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{CPP_W_BUILTIN_MACRO_REDEFINED, OPT_Wbuiltin_macro_redefined},
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{CPP_W_C90_C99_COMPAT, OPT_Wc90_c99_compat},
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{CPP_W_COMMENTS, OPT_Wcomment},
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{CPP_W_CXX_OPERATOR_NAMES, OPT_Wc___compat},
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{CPP_W_DATE_TIME, OPT_Wdate_time},
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@ -9687,6 +9688,7 @@ static const struct reason_option_codes_t option_codes[] = {
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{CPP_W_MISSING_INCLUDE_DIRS, OPT_Wmissing_include_dirs},
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{CPP_W_MULTICHAR, OPT_Wmultichar},
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{CPP_W_NORMALIZE, OPT_Wnormalized_},
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{CPP_W_PEDANTIC, OPT_Wpedantic},
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{CPP_W_TRADITIONAL, OPT_Wtraditional},
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{CPP_W_TRIGRAPHS, OPT_Wtrigraphs},
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{CPP_W_UNDEF, OPT_Wundef},
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@ -384,14 +384,6 @@ c_common_handle_option (size_t scode, const char *arg, int value,
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cpp_opts->warn_num_sign_change = value;
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break;
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case OPT_Wc___compat:
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cpp_opts->warn_cxx_operator_names = value;
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break;
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case OPT_Wlong_long:
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cpp_opts->cpp_warn_long_long = value;
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break;
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case OPT_Wnormalized_:
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/* FIXME: Move all this to c.opt. */
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if (kind == DK_ERROR)
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@ -415,10 +407,6 @@ c_common_handle_option (size_t scode, const char *arg, int value,
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break;
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}
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case OPT_Wtraditional:
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cpp_opts->cpp_warn_traditional = value;
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break;
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case OPT_Wunknown_pragmas:
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/* Set to greater than 1, so that even unknown pragmas in
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system headers will be warned about. */
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@ -634,14 +622,6 @@ c_common_handle_option (size_t scode, const char *arg, int value,
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error ("output filename specified twice");
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break;
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/* We need to handle the -Wpedantic switch here, rather than in
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c_common_post_options, so that a subsequent -Wno-endif-labels
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is not overridden. */
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case OPT_Wpedantic:
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cpp_opts->cpp_pedantic = 1;
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cpp_opts->warn_endif_labels = 1;
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break;
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case OPT_print_objc_runtime_info:
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print_struct_values = 1;
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break;
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@ -1269,20 +1249,19 @@ sanitize_cpp_opts (void)
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cpp_opts->unsigned_char = !flag_signed_char;
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cpp_opts->stdc_0_in_system_headers = STDC_0_IN_SYSTEM_HEADERS;
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cpp_opts->cpp_warn_c90_c99_compat = warn_c90_c99_compat;
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/* Wlong-long is disabled by default. It is enabled by:
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[-Wpedantic | -Wtraditional] -std=[gnu|c]++98 ; or
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[-Wpedantic | -Wtraditional] -std=non-c99 ; or
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-Wc90-c99-compat, if specified.
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[-Wpedantic | -Wtraditional] -std=non-c99
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Either -Wlong-long or -Wno-long-long override any other settings. */
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if (warn_long_long == -1 && warn_c90_c99_compat != -1)
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warn_long_long = warn_c90_c99_compat;
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else if (warn_long_long == -1)
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warn_long_long = ((pedantic || warn_traditional)
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&& (c_dialect_cxx () ? cxx_dialect == cxx98 : !flag_isoc99));
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cpp_opts->cpp_warn_long_long = warn_long_long;
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Either -Wlong-long or -Wno-long-long override any other settings.
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??? These conditions should be handled in c.opt. */
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if (warn_long_long == -1)
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{
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warn_long_long = ((pedantic || warn_traditional)
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&& (c_dialect_cxx () ? cxx_dialect == cxx98 : !flag_isoc99));
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cpp_opts->cpp_warn_long_long = warn_long_long;
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}
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/* If we're generating preprocessor output, emit current directory
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if explicitly requested or if debugging information is enabled.
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@ -296,7 +296,7 @@ C ObjC C++ ObjC++ CPP(warn_builtin_macro_redefined) Var(cpp_warn_builtin_macro_r
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Warn when a built-in preprocessor macro is undefined or redefined
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Wc90-c99-compat
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C ObjC Var(warn_c90_c99_compat) Init(-1) Warning
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C ObjC CPP(cpp_warn_c90_c99_compat) Var(warn_c90_c99_compat) Init(-1) Warning
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Warn about features not present in ISO C90, but present in ISO C99
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Wc99-c11-compat
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@ -304,7 +304,7 @@ C ObjC Var(warn_c99_c11_compat) Init(-1) Warning
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Warn about features not present in ISO C99, but present in ISO C11
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Wc++-compat
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C ObjC Var(warn_cxx_compat) Warning
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C ObjC Var(warn_cxx_compat) CPP(warn_cxx_operator_names) Init(0) Warning
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Warn about C constructs that are not in the common subset of C and C++
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Wc++0x-compat
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@ -328,7 +328,7 @@ C ObjC C++ ObjC++ Var(warn_clobbered) Warning EnabledBy(Wextra)
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Warn about variables that might be changed by \"longjmp\" or \"vfork\"
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Wcomment
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C ObjC C++ ObjC++ CPP(warn_comments) Var(cpp_warn_comment) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall)
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C ObjC C++ ObjC++ CPP(warn_comments) Var(cpp_warn_comment) Init(0) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall)
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Warn about possibly nested block comments, and C++ comments spanning more than one physical line
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Wcomments
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@ -392,7 +392,7 @@ C ObjC C++ ObjC++ Var(warn_empty_body) Warning EnabledBy(Wextra)
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Warn about an empty body in an if or else statement
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Wendif-labels
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C ObjC C++ ObjC++ CPP(warn_endif_labels) Var(cpp_warn_endif_labels) Init(1) Warning
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C ObjC C++ ObjC++ CPP(warn_endif_labels) Var(cpp_warn_endif_labels) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic)
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Warn about stray tokens after #elif and #endif
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Wenum-compare
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@ -503,7 +503,7 @@ C++ ObjC++ Var(warn_invalid_offsetof) Init(1) Warning
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Warn about invalid uses of the \"offsetof\" macro
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Winvalid-pch
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C ObjC C++ ObjC++ CPP(warn_invalid_pch) Var(cpp_warn_invalid_pch) Warning
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C ObjC C++ ObjC++ CPP(warn_invalid_pch) Var(cpp_warn_invalid_pch) Init(0) Warning
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Warn about PCH files that are found but not used
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Wjump-misses-init
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@ -523,7 +523,7 @@ C ObjC C++ ObjC++ Var(warn_logical_not_paren) Warning LangEnabledBy(C ObjC C++ O
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Warn when logical not is used on the left hand side operand of a comparison
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Wlong-long
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C ObjC C++ ObjC++ Var(warn_long_long) Init(-1) Warning
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C ObjC C++ ObjC++ CPP(cpp_warn_long_long) Var(warn_long_long) Init(-1) Warning LangEnabledBy(C ObjC,Wc90-c99-compat)
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Do not warn about using \"long long\" when -pedantic
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Wmain
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@ -583,7 +583,7 @@ C ObjC C++ ObjC++ Alias(Wsuggest-attribute=format)
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;
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Wmissing-include-dirs
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C ObjC C++ ObjC++ CPP(warn_missing_include_dirs) Var(cpp_warn_missing_include_dirs) Warning
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C ObjC C++ ObjC++ CPP(warn_missing_include_dirs) Var(cpp_warn_missing_include_dirs) Init(0) Warning
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Warn about user-specified include directories that do not exist
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Wmissing-parameter-type
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@ -598,7 +598,7 @@ Wmudflap
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C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
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Wmultichar
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C ObjC C++ ObjC++ CPP(warn_multichar) Var(cpp_warn_multichar) Warning
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C ObjC C++ ObjC++ CPP(warn_multichar) Var(cpp_warn_multichar) Init(0) Warning
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Warn about use of multi-character character constants
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Wnarrowing
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@ -674,7 +674,7 @@ C ObjC C++ ObjC++ Var(warn_parentheses) Warning LangEnabledBy(C ObjC C++ ObjC++,
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Warn about possibly missing parentheses
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Wpedantic
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C ObjC C++ ObjC++ Warning
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C ObjC C++ ObjC++ CPP(cpp_pedantic) Warning
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; Documented in common.opt
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Wpmf-conversions
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@ -702,7 +702,7 @@ C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning
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Warn about misuses of pragmas
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Wdate-time
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C ObjC C++ ObjC++ CPP(warn_date_time) Var(cpp_warn_date_time) Warning
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C ObjC C++ ObjC++ CPP(warn_date_time) Var(cpp_warn_date_time) Init(0) Warning
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Warn about __TIME__, __DATE__ and __TIMESTAMP__ usage
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Wproperty-assign-default
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@ -786,7 +786,7 @@ C ObjC C++ ObjC++ Warning
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; Documented in common.opt
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Wtraditional
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C ObjC Var(warn_traditional) Warning
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C ObjC CPP(cpp_warn_traditional) Var(warn_traditional) Init(0) Warning
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Warn about features not present in traditional C
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Wtraditional-conversion
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@ -802,7 +802,7 @@ ObjC ObjC++ Var(warn_undeclared_selector) Warning
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Warn about @selector()s without previously declared methods
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Wundef
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C ObjC C++ ObjC++ CPP(warn_undef) Var(cpp_warn_undef) Warning
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C ObjC C++ ObjC++ CPP(warn_undef) Var(cpp_warn_undef) Init(0) Warning
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Warn if an undefined macro is used in an #if directive
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Wuninitialized
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@ -838,7 +838,7 @@ C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning
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Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value
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Wvariadic-macros
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C ObjC C++ ObjC++ CPP(warn_variadic_macros) Var(cpp_warn_variadic_macros) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic)
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C ObjC C++ ObjC++ CPP(warn_variadic_macros) Var(cpp_warn_variadic_macros) Init(0) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic)
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Warn about using variadic macros
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Wvariadic-macros
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@ -604,7 +604,7 @@ Common Var(warn_padded) Warning
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Warn when padding is required to align structure members
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Wpedantic
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Common Var(pedantic) Warning
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Common Var(pedantic) Init(0) Warning
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Issue warnings needed for strict compliance to the standard
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Wreturn-local-addr
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@ -485,6 +485,7 @@ to determine if a precompiled header file matches.
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@item CPP(@var{var})
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The state of this option should be kept in sync with the preprocessor
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option @var{var}.
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option @var{var}. If this property is set, then properties @code{Var}
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and @code{Init} must be set as well.
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@end table
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@ -500,11 +500,20 @@ for (i = 0; i < n_opts; i++) {
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}
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cpp_option = nth_arg(0, opt_args("CPP", flags[i]));
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opt_var_name = var_name(flags[i]);
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if (cpp_option != "" && opt_var_name != "") {
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print " case " opt_enum(opts[i]) ":"
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print " cpp_opts->" cpp_option " = opts->x_" opt_var_name ";"
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print " break;"
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if (cpp_option != "") {
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opt_var_name = var_name(flags[i]);
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init = opt_args("Init", flags[i])
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if (opt_var_name != "" && init != "") {
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print " case " opt_enum(opts[i]) ":"
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print " cpp_opts->" cpp_option " = opts->x_" opt_var_name ";"
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print " break;"
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} else if (opt_var_name == "" && init == "") {
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print "#error CPP() requires setting Init() and Var() for " opts[i]
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} else if (opt_var_name != "") {
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print "#error CPP() requires setting Init() for " opts[i]
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} else {
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print "#error CPP() requires setting Var() for " opts[i]
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}
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}
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}
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print " default: "
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@ -1,3 +1,8 @@
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2014-09-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
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* gcc.dg/cpp/endif-pedantic2.c: More general options do not
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override specific ones, but specific ones do.
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2014-09-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
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* gcc.target/powerpc/swaps-p8-13.c: New test.
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@ -1,7 +1,7 @@
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/* Copyright (C) 2002 Free Software Foundation, Inc. */
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/* { dg-do preprocess } */
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/* { dg-options "-Wno-endif-labels -pedantic-errors" } */
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/* { dg-options "-Wno-endif-labels -pedantic-errors -Wendif-labels" } */
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/* Tests combinations of -pedantic and -Wno-endif-labels; see extratokens2.c
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for more general tests. */
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@ -1,3 +1,11 @@
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2014-09-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
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* macro.c (replace_args): Use cpp_pedwarning, cpp_warning and
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CPP_W flags.
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* include/cpplib.h: Add CPP_W_C90_C99_COMPAT and CPP_W_PEDANTIC.
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* init.c (cpp_create_reader): Do not init to -1 here.
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* expr.c (num_binary_op): Use cpp_pedwarning.
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2014-08-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
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* directives.c (check_eol_1): New.
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@ -1880,8 +1880,8 @@ num_binary_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
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default: /* case CPP_COMMA: */
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if (CPP_PEDANTIC (pfile) && (!CPP_OPTION (pfile, c99)
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|| !pfile->state.skip_eval))
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cpp_error (pfile, CPP_DL_PEDWARN,
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"comma operator in operand of #if");
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cpp_pedwarning (pfile, CPP_W_PEDANTIC,
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"comma operator in operand of #if");
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lhs = rhs;
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break;
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}
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@ -939,7 +939,9 @@ enum {
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CPP_W_INVALID_PCH,
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CPP_W_WARNING_DIRECTIVE,
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CPP_W_LITERAL_SUFFIX,
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CPP_W_DATE_TIME
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CPP_W_DATE_TIME,
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CPP_W_PEDANTIC,
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CPP_W_C90_C99_COMPAT
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};
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||||
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||||
/* Output a diagnostic of some kind. */
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|
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@ -185,6 +185,7 @@ cpp_create_reader (enum c_lang lang, cpp_hash_table *table,
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CPP_OPTION (pfile, operator_names) = 1;
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CPP_OPTION (pfile, warn_trigraphs) = 2;
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CPP_OPTION (pfile, warn_endif_labels) = 1;
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CPP_OPTION (pfile, cpp_warn_c90_c99_compat) = -1;
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CPP_OPTION (pfile, cpp_warn_deprecated) = 1;
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CPP_OPTION (pfile, cpp_warn_long_long) = 0;
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CPP_OPTION (pfile, dollars_in_ident) = 1;
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|
|
@ -1776,35 +1776,32 @@ replace_args (cpp_reader *pfile, cpp_hashnode *node, cpp_macro *macro,
|
|||
paste_flag =
|
||||
(const cpp_token **) tokens_buff_last_token_ptr (buff);
|
||||
}
|
||||
else if (CPP_PEDANTIC (pfile) && ! macro->syshdr
|
||||
&& ! CPP_OPTION (pfile, c99)
|
||||
&& ! cpp_in_system_header (pfile))
|
||||
else if (CPP_PEDANTIC (pfile) && ! CPP_OPTION (pfile, c99)
|
||||
&& ! macro->syshdr && ! cpp_in_system_header (pfile))
|
||||
{
|
||||
if (CPP_OPTION (pfile, cplusplus))
|
||||
cpp_error (pfile, CPP_DL_PEDWARN,
|
||||
"invoking macro %s argument %d: "
|
||||
"empty macro arguments are undefined"
|
||||
" in ISO C++98",
|
||||
NODE_NAME (node),
|
||||
src->val.macro_arg.arg_no);
|
||||
cpp_pedwarning (pfile, CPP_W_PEDANTIC,
|
||||
"invoking macro %s argument %d: "
|
||||
"empty macro arguments are undefined"
|
||||
" in ISO C++98",
|
||||
NODE_NAME (node), src->val.macro_arg.arg_no);
|
||||
else if (CPP_OPTION (pfile, cpp_warn_c90_c99_compat))
|
||||
cpp_error (pfile, CPP_DL_PEDWARN,
|
||||
"invoking macro %s argument %d: "
|
||||
"empty macro arguments are undefined"
|
||||
" in ISO C90",
|
||||
NODE_NAME (node),
|
||||
src->val.macro_arg.arg_no);
|
||||
cpp_pedwarning (pfile,
|
||||
CPP_OPTION (pfile, cpp_warn_c90_c99_compat) > 0
|
||||
? CPP_W_C90_C99_COMPAT : CPP_W_PEDANTIC,
|
||||
"invoking macro %s argument %d: "
|
||||
"empty macro arguments are undefined"
|
||||
" in ISO C90",
|
||||
NODE_NAME (node), src->val.macro_arg.arg_no);
|
||||
}
|
||||
else if (CPP_OPTION (pfile, cpp_warn_c90_c99_compat) > 0
|
||||
&& ! macro->syshdr
|
||||
&& ! cpp_in_system_header (pfile)
|
||||
&& ! CPP_OPTION (pfile, cplusplus))
|
||||
cpp_error (pfile, CPP_DL_WARNING,
|
||||
"invoking macro %s argument %d: "
|
||||
"empty macro arguments are undefined"
|
||||
" in ISO C90",
|
||||
NODE_NAME (node),
|
||||
src->val.macro_arg.arg_no);
|
||||
&& ! CPP_OPTION (pfile, cplusplus)
|
||||
&& ! macro->syshdr && ! cpp_in_system_header (pfile))
|
||||
cpp_warning (pfile, CPP_W_C90_C99_COMPAT,
|
||||
"invoking macro %s argument %d: "
|
||||
"empty macro arguments are undefined"
|
||||
" in ISO C90",
|
||||
NODE_NAME (node), src->val.macro_arg.arg_no);
|
||||
|
||||
/* Avoid paste on RHS (even case count == 0). */
|
||||
if (!pfile->state.in_directive && !(src->flags & PASTE_LEFT))
|
||||
|
|
|
|||
Loading…
Reference in New Issue