diff options
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 87 |
1 files changed, 79 insertions, 8 deletions
@@ -32,6 +32,7 @@ along with GCC; see the file COPYING3. If not see #include "spellcheck.h" #include "opt-suggestions.h" #include "diagnostic-color.h" +#include "selftest.h" static void set_Wstrict_aliasing (struct gcc_options *opts, int onoff); @@ -3128,6 +3129,42 @@ option_name (diagnostic_context *context, int option_index, return NULL; } +/* Get the page within the documentation for this option. */ + +static const char * +get_option_html_page (int option_index) +{ + const cl_option *cl_opt = &cl_options[option_index]; + + /* Analyzer options are on their own page. */ + if (strstr(cl_opt->opt_text, "analyzer-")) + return "gcc/Static-Analyzer-Options.html"; + +#ifdef CL_Fortran + if (cl_opt->flags & CL_Fortran) + { + switch (option_index) + { + default: + /* Most Fortran warnings are documented on this page. */ + return "gfortran/Error-and-Warning-Options.html"; + + case OPT_Wdate_time: + case OPT_Wconversion: + case OPT_Wconversion_extra: + case OPT_Wmissing_include_dirs: + case OPT_Wopenmp_simd: + /* These warnings are marked in fortran/lang.opt as + "Documented in C" and thus use the common + Warning-Options page below. */ + break; + } + } +#endif + + return "gcc/Warning-Options.html"; +} + /* Return malloced memory for a URL describing the option OPTION_INDEX which enabled a diagnostic (context CONTEXT). */ @@ -3135,16 +3172,50 @@ char * get_option_url (diagnostic_context *, int option_index) { if (option_index) - /* DOCUMENTATION_ROOT_URL should be supplied via -D by the Makefile - (see --with-documentation-root-url). - - Expect an anchor of the form "index-Wfoo" e.g. - <a name="index-Wformat"></a>, and thus an id within - the URL of "#index-Wformat". */ - return concat (DOCUMENTATION_ROOT_URL, - "Warning-Options.html", + return concat (/* DOCUMENTATION_ROOT_URL should be supplied via -D by + the Makefile (see --with-documentation-root-url), and + should have a trailing slash. */ + DOCUMENTATION_ROOT_URL, + + /* get_option_html_page will return something like + "gcc/Warning-Options.html". */ + get_option_html_page (option_index), + + /* Expect an anchor of the form "index-Wfoo" e.g. + <a name="index-Wformat"></a>, and thus an id within + the URL of "#index-Wformat". */ "#index", cl_options[option_index].opt_text, NULL); else return NULL; } + +#if CHECKING_P + +namespace selftest { + +/* Verify that get_option_html_page works as expected. */ + +static void +test_get_option_html_page () +{ + ASSERT_STREQ (get_option_html_page (OPT_Wcpp), "gcc/Warning-Options.html"); + ASSERT_STREQ (get_option_html_page (OPT_Wanalyzer_double_free), + "gcc/Static-Analyzer-Options.html"); +#ifdef CL_Fortran + ASSERT_STREQ (get_option_html_page (OPT_Wline_truncation), + "gfortran/Error-and-Warning-Options.html"); +#endif +} + +/* Run all of the selftests within this file. */ + +void +opts_c_tests () +{ + test_get_option_html_page (); +} + +} // namespace selftest + +#endif /* #if CHECKING_P */ |