diff options
Diffstat (limited to 'gcc/cp/error.c')
-rw-r--r-- | gcc/cp/error.c | 118 |
1 files changed, 74 insertions, 44 deletions
diff --git a/gcc/cp/error.c b/gcc/cp/error.c index ff4ae6f..012a4ec 100644 --- a/gcc/cp/error.c +++ b/gcc/cp/error.c @@ -371,7 +371,35 @@ static void dump_template_bindings (cxx_pretty_printer *pp, tree parms, tree args, vec<tree, va_gc> *typenames) { - bool need_semicolon = false; + /* Print "[with" and ']', conditional on whether anything is printed at all. + This is tied to whether a semicolon is needed to separate multiple template + parameters. */ + struct prepost_semicolon + { + cxx_pretty_printer *pp; + bool need_semicolon; + + void operator() () + { + if (need_semicolon) + pp_separate_with_semicolon (pp); + else + { + pp_cxx_whitespace (pp); + pp_cxx_left_bracket (pp); + pp->translate_string ("with"); + pp_cxx_whitespace (pp); + need_semicolon = true; + } + } + + ~prepost_semicolon () + { + if (need_semicolon) + pp_cxx_right_bracket (pp); + } + } semicolon_or_introducer = {pp, false}; + int i; tree t; @@ -395,10 +423,20 @@ dump_template_bindings (cxx_pretty_printer *pp, tree parms, tree args, if (lvl_args && NUM_TMPL_ARGS (lvl_args) > arg_idx) arg = TREE_VEC_ELT (lvl_args, arg_idx); - if (need_semicolon) - pp_separate_with_semicolon (pp); - dump_template_parameter (pp, TREE_VEC_ELT (p, i), - TFF_PLAIN_IDENTIFIER); + tree parm_i = TREE_VEC_ELT (p, i); + /* If the template argument repeats the template parameter (T = T), + skip the parameter.*/ + if (arg && TREE_CODE (arg) == TEMPLATE_TYPE_PARM + && TREE_CODE (parm_i) == TREE_LIST + && TREE_CODE (TREE_VALUE (parm_i)) == TYPE_DECL + && TREE_CODE (TREE_TYPE (TREE_VALUE (parm_i))) + == TEMPLATE_TYPE_PARM + && DECL_NAME (TREE_VALUE (parm_i)) + == DECL_NAME (TREE_CHAIN (arg))) + continue; + + semicolon_or_introducer (); + dump_template_parameter (pp, parm_i, TFF_PLAIN_IDENTIFIER); pp_cxx_whitespace (pp); pp_equal (pp); pp_cxx_whitespace (pp); @@ -414,7 +452,6 @@ dump_template_bindings (cxx_pretty_printer *pp, tree parms, tree args, pp_string (pp, M_("<missing>")); ++arg_idx; - need_semicolon = true; } parms = TREE_CHAIN (parms); @@ -436,8 +473,7 @@ dump_template_bindings (cxx_pretty_printer *pp, tree parms, tree args, FOR_EACH_VEC_SAFE_ELT (typenames, i, t) { - if (need_semicolon) - pp_separate_with_semicolon (pp); + semicolon_or_introducer (); dump_type (pp, t, TFF_PLAIN_IDENTIFIER); pp_cxx_whitespace (pp); pp_equal (pp); @@ -501,6 +537,8 @@ dump_type (cxx_pretty_printer *pp, tree t, int flags) else { pp_cxx_cv_qualifier_seq (pp, t); + if (! (flags & TFF_UNQUALIFIED_NAME)) + dump_scope (pp, CP_DECL_CONTEXT (decl), flags); pp_cxx_tree_identifier (pp, TYPE_IDENTIFIER (t)); return; } @@ -1138,7 +1176,7 @@ dump_decl_name (cxx_pretty_printer *pp, tree t, int flags) } const char *str = IDENTIFIER_POINTER (t); - if (!strncmp (str, "_ZGR", 4)) + if (startswith (str, "_ZGR")) { pp_cxx_ws_string (pp, "<temporary>"); return; @@ -1362,7 +1400,10 @@ dump_decl (cxx_pretty_printer *pp, tree t, int flags) break; case LABEL_DECL: - pp_cxx_tree_identifier (pp, DECL_NAME (t)); + if (DECL_NAME (t)) + pp_cxx_tree_identifier (pp, DECL_NAME (t)); + else + dump_generic_node (pp, t, 0, TDF_SLIM, false); break; case CONST_DECL: @@ -1594,12 +1635,7 @@ dump_substitution (cxx_pretty_printer *pp, && !(flags & TFF_NO_TEMPLATE_BINDINGS)) { vec<tree, va_gc> *typenames = t ? find_typenames (t) : NULL; - pp_cxx_whitespace (pp); - pp_cxx_left_bracket (pp); - pp->translate_string ("with"); - pp_cxx_whitespace (pp); dump_template_bindings (pp, template_parms, template_args, typenames); - pp_cxx_right_bracket (pp); } } @@ -1640,7 +1676,8 @@ dump_function_decl (cxx_pretty_printer *pp, tree t, int flags) bool constexpr_p; tree ret = NULL_TREE; - flags &= ~(TFF_UNQUALIFIED_NAME | TFF_TEMPLATE_NAME); + int dump_function_name_flags = flags & ~TFF_UNQUALIFIED_NAME; + flags = dump_function_name_flags & ~TFF_TEMPLATE_NAME; if (TREE_CODE (t) == TEMPLATE_DECL) t = DECL_TEMPLATE_RESULT (t); @@ -1718,7 +1755,7 @@ dump_function_decl (cxx_pretty_printer *pp, tree t, int flags) else dump_scope (pp, CP_DECL_CONTEXT (t), flags); - dump_function_name (pp, t, flags); + dump_function_name (pp, t, dump_function_name_flags); if (!(flags & TFF_NO_FUNCTION_ARGUMENTS)) { @@ -1932,6 +1969,7 @@ dump_function_name (cxx_pretty_printer *pp, tree t, int flags) dump_module_suffix (pp, t); if (DECL_TEMPLATE_INFO (t) + && !(flags & TFF_TEMPLATE_NAME) && !DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t) && (TREE_CODE (DECL_TI_TEMPLATE (t)) != TEMPLATE_DECL || PRIMARY_TEMPLATE_P (DECL_TI_TEMPLATE (t)))) @@ -4300,10 +4338,8 @@ defer_phase_2_of_type_diff (deferred_printed_type *deferred, %D declaration. %E expression. %F function declaration. - %G gcall * %H type difference (from). %I type difference (to). - %K tree %L language as used in extern "lang". %O binary operator. %P function parameter whose position is indicated by an integer. @@ -4353,9 +4389,6 @@ cp_printer (pretty_printer *pp, text_info *text, const char *spec, break; case 'E': result = expr_to_string (next_tree); break; case 'F': result = fndecl_to_string (next_tree, verbose); break; - case 'G': - percent_G_format (text); - return true; case 'H': defer_phase_2_of_type_diff (&postprocessor->m_type_a, next_tree, buffer_ptr, verbose, *quoted); @@ -4364,10 +4397,6 @@ cp_printer (pretty_printer *pp, text_info *text, const char *spec, defer_phase_2_of_type_diff (&postprocessor->m_type_b, next_tree, buffer_ptr, verbose, *quoted); return true; - case 'K': - t = va_arg (*text->args_ptr, tree); - percent_K_format (text, EXPR_LOCATION (t), TREE_BLOCK (t)); - return true; case 'L': result = language_to_string (next_lang); break; case 'O': result = op_to_string (false, next_tcode); break; case 'P': result = parm_to_string (next_int); break; @@ -4404,77 +4433,78 @@ maybe_warn_cpp0x (cpp0x_warn_str str) switch (str) { case CPP0X_INITIALIZER_LISTS: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "extended initializer lists " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_EXPLICIT_CONVERSION: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "explicit conversion operators " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_VARIADIC_TEMPLATES: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "variadic templates " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_LAMBDA_EXPR: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "lambda expressions " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_AUTO: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "C++11 auto only available with %<-std=c++11%> or " "%<-std=gnu++11%>"); break; case CPP0X_SCOPED_ENUMS: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "scoped enums only available with %<-std=c++11%> or " "%<-std=gnu++11%>"); break; case CPP0X_DEFAULTED_DELETED: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "defaulted and deleted functions " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_INLINE_NAMESPACES: - pedwarn (input_location, OPT_Wpedantic, - "inline namespaces " - "only available with %<-std=c++11%> or %<-std=gnu++11%>"); + if (pedantic) + pedwarn (input_location, OPT_Wc__11_extensions, + "inline namespaces " + "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_OVERRIDE_CONTROLS: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "override controls (override/final) " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_NSDMI: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "non-static data member initializers " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_USER_DEFINED_LITERALS: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "user-defined literals " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_DELEGATING_CTORS: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "delegating constructors " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_INHERITING_CTORS: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "inheriting constructors " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_ATTRIBUTES: - pedwarn (input_location, 0, - "c++11 attributes " + pedwarn (input_location, OPT_Wc__11_extensions, + "C++11 attributes " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; case CPP0X_REF_QUALIFIER: - pedwarn (input_location, 0, + pedwarn (input_location, OPT_Wc__11_extensions, "ref-qualifiers " "only available with %<-std=c++11%> or %<-std=gnu++11%>"); break; |