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2018-11-30C++: fix-it hint for missing parenthesesDavid Malcolm1-0/+14
Consider: class t1 { public: double length () const { return m_length; } private: double m_length; }; missing-parens-fixit.C: In function 'bool test_1(const t1&)': missing-parens-fixit.C:14:15: error: invalid use of member function 'double t1::length() const' (did you forget the '()' ?) 14 | return inst.length > 0.0; | ~~~~~^~~~~~ This patch adds a fix-it hint for the case where the member function takes no parameters, suggesting the addition of the parentheses: 14 | return inst.length > 0.0; | ~~~~~^~~~~~ | () so that an IDE can potentially apply the fix. gcc/cp/ChangeLog: * typeck2.c: Include "gcc-rich-location.h". (cxx_incomplete_type_diagnostic): When complaining about possibly missing parens, add a fix-it hint if the member function takes no additional params. gcc/ChangeLog: * diagnostic-core.h (emit_diagnostic): New decl. * diagnostic.c (emit_diagnostic): New overload, taking a rich_location *. gcc/testsuite/ChangeLog: * g++.dg/parse/missing-parens-fixit.C: New test. From-SVN: r266696
2018-11-27PR preprocessor/83173: Enhance -fdump-internal-locations outputMike Gulick1-0/+46
gcc/ChangeLog: 2018-11-27 Mike Gulick <mgulick@mathworks.com> PR preprocessor/83173 * input.c (dump_location_info): Dump reason and included_from fields from line_map_ordinary struct. Fix indentation when location > 5 digits. * diagnostic-show-locus.c (num_digits, num_digits): Move to diagnostic.c to allow it to be utilized by input.c. * diagnostic.c (num_digits, selftest::test_num_digits): Moved here. (selftest::diagnostic_c_tests): Run selftest::test_num_digits. * diagnostic.h (num_digits): Add extern definition. libcpp/ChangeLog: 2018-11-27 Mike Gulick <mgulick@mathworks.com> PR preprocessor/83173 * location-example.txt: Update example -fdump-internal-locations output. From-SVN: r266520
2018-11-15Machine-readable diagnostic output (PR other/19165)David Malcolm1-17/+28
This patch implements a -fdiagnostics-format=json option which converts the diagnostics to be output to stderr in a JSON format; see the documentation in invoke.texi. Logically-related diagnostics are nested at the JSON level, using the auto_diagnostic_group mechanism. gcc/ChangeLog: PR other/19165 * Makefile.in (OBJS): Move json.o to... (OBJS-libcommon): ...here and add diagnostic-format-json.o. * common.opt (fdiagnostics-format=): New option. (diagnostics_output_format): New enum. * diagnostic-format-json.cc: New file. * diagnostic.c (default_diagnostic_final_cb): New function, taken from start of diagnostic_finish. (diagnostic_initialize): Initialize final_cb to default_diagnostic_final_cb. (diagnostic_finish): Move "being treated as errors" messages to default_diagnostic_final_cb. Call any final_cb. (default_diagnostic_finalizer): Add diagnostic_t param. (diagnostic_report_diagnostic): Pass "orig_diag_kind" to diagnostic_finalizer callback. * diagnostic.h (enum diagnostics_output_format): New enum. (diagnostic_finalizer_fn): Reimplement, adding diagnostic_t param. (struct diagnostic_context): Add "final_cb". (default_diagnostic_finalizer): Add diagnostic_t param. (diagnostic_output_format_init): New decl. * doc/invoke.texi (-fdiagnostics-format): New option. * dwarf2out.c (gen_producer_string): Ignore OPT_fdiagnostics_format_. * gcc.c (driver_handle_option): Handle OPT_fdiagnostics_format_. * lto-wrapper.c (append_diag_options): Ignore it. * opts.c (common_handle_option): Handle it. gcc/c-family/ChangeLog: PR other/19165 * c-opts.c (c_diagnostic_finalizer): Add diagnostic_t param. gcc/fortran/ChangeLog: PR other/19165 * error.c (gfc_diagnostic_finalizer): Add diagnostic_t param. gcc/jit/ChangeLog: PR other/19165 * dummy-frontend.c (jit_begin_diagnostic): Add diagnostic_t param. gcc/testsuite/ChangeLog: PR other/19165 * c-c++-common/diagnostic-format-json-1.c: New test. * c-c++-common/diagnostic-format-json-2.c: New test. * c-c++-common/diagnostic-format-json-3.c: New test. * c-c++-common/diagnostic-format-json-4.c: New test. * c-c++-common/diagnostic-format-json-5.c: New test. * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (custom_diagnostic_finalizer): Add diagnostic_t param. * gcc.dg/plugin/location_overflow_plugin.c (verify_unpacked_ranges): Likewise. (verify_no_columns): Likewise. * gfortran.dg/diagnostic-format-json-1.F90: New test. * gfortran.dg/diagnostic-format-json-2.F90: New test. * gfortran.dg/diagnostic-format-json-3.F90: New test. From-SVN: r266186
2018-11-13Eliminate source_location in favor of location_tDavid Malcolm1-2/+2
Historically GCC used location_t, while libcpp used source_location. This inconsistency has been annoying me for a while, so this patch removes source_location in favor of location_t throughout (as the latter is shorter). gcc/ChangeLog: * builtins.c: Replace "source_location" with "location_t". * diagnostic-show-locus.c: Likewise. * diagnostic.c: Likewise. * dumpfile.c: Likewise. * gcc-rich-location.h: Likewise. * genmatch.c: Likewise. * gimple.h: Likewise. * gimplify.c: Likewise. * input.c: Likewise. * input.h: Likewise. Eliminate the typedef. * omp-expand.c: Likewise. * selftest.h: Likewise. * substring-locations.h (get_source_location_for_substring): Rename to.. (get_location_within_string): ...this. * tree-cfg.c: Replace "source_location" with "location_t". * tree-cfgcleanup.c: Likewise. * tree-diagnostic.c: Likewise. * tree-into-ssa.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-phinodes.c: Likewise. * tree-phinodes.h: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa.c: Likewise. * tree-ssa.h: Likewise. * tree-vect-loop-manip.c: Likewise. gcc/c-family/ChangeLog: * c-common.c (c_get_substring_location): Update for renaming of get_source_location_for_substring to get_location_within_string. * c-lex.c: Replace "source_location" with "location_t". * c-opts.c: Likewise. * c-ppoutput.c: Likewise. gcc/c/ChangeLog: * c-decl.c: Replace "source_location" with "location_t". * c-tree.h: Likewise. * c-typeck.c: Likewise. * gimple-parser.c: Likewise. gcc/cp/ChangeLog: * call.c: Replace "source_location" with "location_t". * cp-tree.h: Likewise. * cvt.c: Likewise. * name-lookup.c: Likewise. * parser.c: Likewise. * typeck.c: Likewise. gcc/fortran/ChangeLog: * cpp.c: Replace "source_location" with "location_t". * gfortran.h: Likewise. gcc/go/ChangeLog: * go-gcc-diagnostics.cc: Replace "source_location" with "location_t". * go-gcc.cc: Likewise. * go-linemap.cc: Likewise. * go-location.h: Likewise. * gofrontend/README: Likewise. gcc/jit/ChangeLog: * jit-playback.c: Replace "source_location" with "location_t". gcc/testsuite/ChangeLog: * g++.dg/plugin/comment_plugin.c: Replace "source_location" with "location_t". * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c: Likewise. libcc1/ChangeLog: * libcc1plugin.cc: Replace "source_location" with "location_t". (plugin_context::get_source_location): Rename to... (plugin_context::get_location_t): ...this. * libcp1plugin.cc: Likewise. libcpp/ChangeLog: * charset.c: Replace "source_location" with "location_t". * directives-only.c: Likewise. * directives.c: Likewise. * errors.c: Likewise. * expr.c: Likewise. * files.c: Likewise. * include/cpplib.h: Likewise. Rename MAX_SOURCE_LOCATION to MAX_LOCATION_T. * include/line-map.h: Likewise. * init.c: Likewise. * internal.h: Likewise. * lex.c: Likewise. * line-map.c: Likewise. * location-example.txt: Likewise. * macro.c: Likewise. * pch.c: Likewise. * traditional.c: Likewise. From-SVN: r266085
2018-10-15diagnostics: add minimum width to left margin for line numbersDavid Malcolm1-0/+1
This patch adds a minimum width to the left margin used for printing line numbers. I set the default to 6. Hence rather than: some-filename:9:1: some message 9 | some source text | ^~~~~~~~~~~~~~~~ some-filename:10:1: another message 10 | more source text | ^~~~~~~~~~~~~~~~ we now print: some-filename:9:42: some message 9 | some source text | ^~~~~~~~~~~~~~~~ some-filename:10:42: another message 10 | more source text | ^~~~~~~~~~~~~~~~ This implicitly fixes issues with margins failing to line up due to different lengths of the number when we haven't read the full file yet and so don't know the highest possible line number, for line numbers up to 99999. Doing so adds some whitespace on the left-hand side, for non-huge files, at least. I believe that this makes it easier to see where each diagnostic starts, by visually breaking things up at the leftmost column; my hope is to make it easier for the eye to see the different diagnostics as if they were different "paragraphs". gcc/ChangeLog: * common.opt (fdiagnostics-minimum-margin-width=): New option. * diagnostic-show-locus.c (layout::layout): Apply the minimum margin width. (layout::start_annotation_line): Only print up to 3 of the margin character, to avoid touching the left-hand side. (selftest::test_diagnostic_show_locus_fixit_lines): Update for minimum margin width, as set by test_diagnostic_context's ctor. (selftest::test_fixit_insert_containing_newline): Likewise. (selftest::test_fixit_insert_containing_newline_2): Likewise. (selftest::test_line_numbers_multiline_range): Clear dc.min_margin_width. * diagnostic.c (diagnostic_initialize): Initialize min_margin_width. * diagnostic.h (struct diagnostic_context): Add field "min_margin_width". * doc/invoke.texi: Add -fdiagnostics-minimum-margin-width=. * opts.c (common_handle_option): Handle OPT_fdiagnostics_minimum_margin_width_. * selftest-diagnostic.c (selftest::test_diagnostic_context::test_diagnostic_context): Initialize min_margin_width to 6. * toplev.c (general_init): Initialize global_dc->min_margin_width. gcc/testsuite/ChangeLog: * gcc.dg/missing-header-fixit-3.c: Update expected indentation to reflect minimum margin width. * gcc.dg/missing-header-fixit-4.c: Likewise. * gcc.dg/plugin/diagnostic-test-show-locus-bw-line-numbers.c: Likewise. * gcc.dg/plugin/diagnostic-test-show-locus-color-line-numbers.c: Likewise. * gcc.dg/plugin/diagnostic-test-show-locus-bw-line-numbers-2.c: New test. * gcc.dg/plugin/plugin.exp (plugin_test_list): Add it. From-SVN: r265178
2018-09-11Add sorry_at diagnostic function.Andrew Stubbs1-0/+12
The plain "sorry" diagnostic only gives the "current" location, which is typically the last line of the function or translation unit by time we get to the back end. GCN uses "sorry" to report unsupported language features, such as static constructors, so it's useful to have a "sorry_at" variant. This patch implements "sorry_at" according to the pattern of the other "at" variants. 2018-09-11 Andrew Stubbs <ams@codesourcery.com> gcc/ * diagnostic-core.h (sorry_at): New prototype. * diagnostic.c (sorry_at): New function. From-SVN: r264204
2018-08-20Add support for grouping of related diagnostics (PR other/84889)David Malcolm1-0/+60
We often emit logically-related groups of diagnostics. A relatively simple case is this: if (warning_at (body_loc, OPT_Wmultistatement_macros, "macro expands to multiple statements")) inform (guard_loc, "some parts of macro expansion are not guarded by " "this %qs clause", guard_tinfo_to_string (keyword)); where the "note" diagnostic issued by the "inform" call is guarded by the -Wmultistatement_macros warning. More complicated examples can be seen in the C++ frontend, where e.g. print_z_candidates can lead to numerous "note" diagnostics being emitted. I'm looking at various ways to improve how we handle such related diagnostics, but, prior to this patch, there was no explicit relationship between these diagnostics: the diagnostics subsystem had no way of "knowing" that these were related. This patch introduces a simple way to group the diagnostics: an auto_diagnostic_group class: all diagnostics emitted within the lifetime of an auto_diagnostic_group instance are logically grouped. Hence in the above example, the two diagnostics can be grouped by simply adding an auto_diagnostic_group instance: auto_diagnostic_group d; if (warning_at (body_loc, OPT_Wmultistatement_macros, "macro expands to multiple statements")) inform (guard_loc, "some parts of macro expansion are not guarded by " "this %qs clause", guard_tinfo_to_string (keyword)); Some more awkard cases are of the form: if (some_condition && warning_at (...) && more_conditions) inform (...); which thus need restructuring to: if (some_condition) { auto_diagnostic_group d; warning_at (...); if (more_conditions) inform (...); } so that the lifetime of the auto_diagnostic_group groups the warning_at and the inform call. Nesting is handled by simply tracking a nesting depth within the diagnostic_context.: all diagnostics are treated as grouped until the final auto_diagnostic_group is popped. diagnostic.c uses this internally, so that all diagnostics are part of a group - those that are "by themselves" are treated as being part of a group with one element. The diagnostic_context gains optional callbacks for displaying the start of a group (when the first diagnostic is emitted within it), and the end of a group (for when the group was non-empty); these callbacks are unused by default, but a test plugin demonstrates them (and verifies that the machinery is working). As noted above, I'm looking at various ways to use the grouping to improve how we output the diagnostics. FWIW, I experimented with a more involved implementation, of the form: diagnostic_group d; if (d.warning_at (body_loc, OPT_Wmultistatement_macros, "macro expands to multiple statements")) d.inform (guard_loc, "some parts of macro expansion are not guarded by " "this %qs clause", guard_tinfo_to_string (keyword)); which had the advantage of allowing auto-detection of the places where groups were needed (by converting ::warning_at's return type to bool), but it was a much more invasive patch, especially when dealing with the places in the C++ frontend that can emit numerous notes after an error or warning (and thus having to pass the group around) Hence I went with this simpler approach. gcc/c-family/ChangeLog: PR other/84889 * c-attribs.c (common_handle_aligned_attribute): Add auto_diagnostic_group instance. * c-indentation.c (warn_for_misleading_indentation): Likewise. * c-opts.c (c_common_post_options): Likewise. * c-warn.c (warn_logical_not_parentheses): Likewise. (warn_duplicated_cond_add_or_warn): Likewise. (warn_for_multistatement_macros): Likewise. gcc/c/ChangeLog: PR other/84889 * c-decl.c (pushtag): Add auto_diagnostic_group instance. (diagnose_mismatched_decls): Likewise, in various places. (warn_if_shadowing): Likewise. (implicit_decl_warning): Likewise. (implicitly_declare): Likewise. (undeclared_variable): Likewise. (declare_label): Likewise. (grokdeclarator): Likewise. (start_function): Likewise. * c-parser.c (c_parser_declaration_or_fndef): Likewise. (c_parser_parameter_declaration): Likewise. (c_parser_binary_expression): Likewise. * c-typeck.c (c_expr_sizeof_expr): Likewise. (parser_build_binary_op): Likewise. (build_unary_op): Likewise. (error_init): Likewise. (pedwarn_init): Likewise. (warning_init): Likewise. (convert_for_assignment): Likewise. gcc/cp/ChangeLog: PR other/84889 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group instance(s). (print_error_for_call_failure): Likewise. (build_op_call_1): Likewise. (build_conditional_expr_1): Likewise. (build_new_op_1): Likewise. (build_op_delete_call): Likewise. (convert_like_real): Likewise. (build_over_call): Likewise. (build_new_method_call_1): Likewise. (joust): Likewise. * class.c (check_tag): Likewise. (finish_struct_anon_r): Likewise. (one_inherited_ctor): Likewise. (finalize_literal_type_property): Likewise. (explain_non_literal_class): Likewise. (find_flexarrays): Likewise. (resolve_address_of_overloaded_function): Likewise. * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise. (is_valid_constexpr_fn): Likewise. (cx_check_missing_mem_inits): Likewise. * cp-gimplify.c (cp_genericize_r): Likewise. * cvt.c (maybe_warn_nodiscard): Likewise. * decl.c (warn_extern_redeclared_static): Likewise. (check_redeclaration_exception_specification): Likewise. (check_no_redeclaration_friend_default_args): Likewise. (duplicate_decls): Likewise. (redeclaration_error_message): Likewise. (warn_misplaced_attr_for_class_type): Likewise. * decl2.c (finish_static_data_member_decl): Likewise. (no_linkage_error): Likewise. (cp_warn_deprecated_use): Likewise. * error.c (qualified_name_lookup_error): Likewise. * friend.c (make_friend_class): Likewise. (do_friend): Likewise. * init.c (perform_member_init): Likewise. (build_new_1): Likewise. (build_vec_delete_1): Likewise. (build_delete): Likewise. * lex.c (unqualified_name_lookup_error): Likewise. * name-lookup.c (check_extern_c_conflict): Likewise. (inform_shadowed): New function. (check_local_shadow): Add auto_diagnostic_group instances, replacing goto "inform_shadowed" label with call to subroutine. (set_local_extern_decl_linkage): Add auto_diagnostic_group instance(s). * parser.c (cp_parser_diagnose_invalid_type_name): Likewise. (cp_parser_namespace_name): Likewise. * pt.c (check_specialization_namespace): Likewise. (check_template_variable): Likewise. (warn_spec_missing_attributes): Likewise. (check_explicit_specialization): Likewise. (process_partial_specialization): Likewise. (lookup_template_class_1): Likewise. (finish_template_variable): Likewise. (do_auto_deduction): Likewise. * search.c (check_final_overrider): Likewise. (look_for_overrides_r): Likewise. * tree.c (maybe_warn_parm_abi): Likewise. * typeck.c (cxx_sizeof_expr): Likewise. (cp_build_function_call_vec): Likewise. (cp_build_binary_op): Likewise. (convert_for_assignment): Likewise. (maybe_warn_about_returning_address_of_local): Likewise. * typeck2.c (abstract_virtuals_error_sfinae): Likewise. (check_narrowing): Likewise. gcc/ChangeLog: PR other/84889 * attribs.c (diag_attr_exclusions): Add auto_diagnostic_group instance. (decl_attributes): Likewise. * calls.c (maybe_warn_nonstring_arg): Add auto_diagnostic_group instance. * cgraphunit.c (maybe_diag_incompatible_alias): Likewise. * diagnostic-core.h (class auto_diagnostic_group): New class. * diagnostic.c (diagnostic_initialize): Initialize the new fields. (diagnostic_report_diagnostic): Handle the first diagnostics within a group. (emit_diagnostic): Add auto_diagnostic_group instance. (inform): Likewise. (inform_n): Likewise. (warning): Likewise. (warning_at): Likewise. (warning_n): Likewise. (pedwarn): Likewise. (permerror): Likewise. (error): Likewise. (error_n): Likewise. (error_at): Likewise. (sorry): Likewise. (fatal_error): Likewise. (internal_error): Likewise. (internal_error_no_backtrace): Likewise. (auto_diagnostic_group::auto_diagnostic_group): New ctor. (auto_diagnostic_group::~auto_diagnostic_group): New dtor. * diagnostic.h (struct diagnostic_context): Add fields "diagnostic_group_nesting_depth", "diagnostic_group_emission_count", "begin_group_cb", "end_group_cb". * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Add auto_diagnostic_group instance(s). (find_explicit_erroneous_behavior): Likewise. * gimple-ssa-warn-alloca.c (pass_walloca::execute): Likewise. * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Likewise. * gimplify.c (warn_implicit_fallthrough_r): Likewise. (gimplify_va_arg_expr): Likewise. * hsa-gen.c (HSA_SORRY_ATV): Likewise. (HSA_SORRY_AT): Likewise. * ipa-devirt.c (compare_virtual_tables): Likewise. (warn_odr): Likewise. * multiple_target.c (expand_target_clones): Likewise. * opts-common.c (cmdline_handle_error): Likewise. * reginfo.c (globalize_reg): Likewise. * substring-locations.c (format_warning_n_va): Likewise. * tree-inline.c (expand_call_inline): Likewise. * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Likewise. * tree-ssa-loop-niter.c (do_warn_aggressive_loop_optimizations): Likewise. * tree-ssa-uninit.c (warn_uninit): Likewise. * tree.c (warn_deprecated_use): Likewise. gcc/testsuite/ChangeLog: PR other/84889 * gcc.dg/plugin/diagnostic-group-test-1.c: New test. * gcc.dg/plugin/diagnostic_group_plugin.c: New test. * gcc.dg/plugin/plugin.exp (plugin_test_list): Add the new tests. From-SVN: r263675
2018-08-16diagnostics: fix bad interaction between line spans and line numbersDavid Malcolm1-3/+3
Without this patch, the "line span" markers and the line numbering interacted badly, leading to stray copies of the line-span markers appearing as prefixes on the first source line in a span: missing-header-fixit-3.c: In function 'test': missing-header-fixit-3.c:9:3: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration] 9 | printf ("%i of %i\n", i, j); | ^~~~~~ missing-header-fixit-3.c:9:3: warning: incompatible implicit declaration of built-in function 'printf' missing-header-fixit-3.c:9:3: note: include '<stdio.h>' or provide a declaration of 'printf' missing-header-fixit-3.c:1:1: |+#include <stdio.h> missing-header-fixit-3.c:1:1:1 | /* Example of a fix-it hint that adds a #include directive, missing-header-fixit-3.c:9:3: missing-header-fixit-3.c:9:3:9 | printf ("%i of %i\n", i, j); | ^~~~~~ With this patch, we now correctly print: missing-header-fixit-3.c: In function 'test': missing-header-fixit-3.c:9:3: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration] 9 | printf ("%i of %i\n", i, j); | ^~~~~~ missing-header-fixit-3.c:9:3: warning: incompatible implicit declaration of built-in function 'printf' missing-header-fixit-3.c:9:3: note: include '<stdio.h>' or provide a declaration of 'printf' missing-header-fixit-3.c:1:1: + |+#include <stdio.h> 1 | /* Example of a fix-it hint that adds a #include directive, missing-header-fixit-3.c:9:3: 9 | printf ("%i of %i\n", i, j); | ^~~~~~ gcc/ChangeLog: * diagnostic.c (default_diagnostic_start_span_fn): Call pp_string to emit the span, rather than setting it as the prefix. gcc/testsuite/ChangeLog: * gcc.dg/missing-header-fixit-3.c: New test. From-SVN: r263606
2018-08-15diagnostics: add labeling of source rangesDavid Malcolm1-0/+1
This patch adds the ability to label source ranges within a rich_location, to be printed by diagnostic_show_locus. For example: pr69554-1.c:11:18: error: invalid operands to binary + (have 'const char *' and 'const char *') 11 | return (p + 1) + (q + 1); | ~~~~~~~ ^ ~~~~~~~ | | | | | const char * | const char * The patch implements labels for various type mismatch errors in the C and C++ frontends, and in -Wformat. I implemented it wherever accurate location information was guaranteed (there are other places that could benefit, but we need better location information in those places). The labels can be disabled via -fno-diagnostics-show-labels. Similarly: param-type-mismatch.C: In function 'int test_1(int, int, float)': param-type-mismatch.C:11:27: error: invalid conversion from 'int' to 'const char*' [-fpermissive] 11 | return callee_1 (first, second, third); | ^~~~~~ | | | int param-type-mismatch.C:7:43: note: initializing argument 2 of 'int callee_1(int, const char*, float)' 7 | extern int callee_1 (int one, const char *two, float three); | ~~~~~~~~~~~~^~~ where the first "error" describing the bad argument gets a label describing the type inline (since it's non-obvious from "second"). The "note" describing the type of the param of the callee *doesn't* get a label, since that information is explicit there in the source ("const char *two"). The idea is that in any diagnostic where two aspects of the source aren't in sync it ought to be easier for the user if we directly show them the mismatching aspects inline (e.g. types). As well as type mismatch errors, perhaps labels could also be used for buffer overflow warnings, for describing the capacity of the destination buffer vs the size of what's being written: sprintf (buf, "filename: %s\n", file); ^~~ ~~~~~~~~~~~^~~ | | capacity: 32 10 + strlen(file) + 2 or somesuch. Another idea might be for macro expansion warnings: warning: repeated side effects in macro expansion... x = MIN (p++, q++); ~~~~^~~~~~~~~~ note: ...expanded here as #define MIN(X,Y) (X<Y?X:Y) ^~~ ~ ~ ~ ~ ~ ~ | | | | | | | | | | | q++ | | | | p++ | | | q++ | q++ p++ p++ The patch removes some logic from multiline.exp which special-cased lines ending with a '|' character (thus complicating testing of this patch). I believe that this was a vestige from experiments I did to support strippng dg directives from the output; it was present in the earliest version of multiline.exp I posted: "[RFC, stage1] Richer source location information for gcc 6 (location ranges etc)" https://gcc.gnu.org/ml/gcc-patches/2015-03/msg00837.html and I believe was neved used. gcc/c-family/ChangeLog: * c-format.c: Include "selftest-diagnostic.h" and "gcc-rich-location.h". (format_warning_at_char): Pass NULL for new label params of format_warning_va. (class indirection_suffix): New class. (class range_label_for_format_type_mismatch): New class. (format_type_warning): Move logic for generating "*" suffix to class indirection_suffix. Create "fmt_label" and "param_label" to show their types, and pass them to the format_warning_at_substring calls. (selftest::test_type_mismatch_range_labels): New test. (selftest::c_format_c_tests): Call it. gcc/c/ChangeLog: * c-objc-common.c: Include "gcc-rich-location.h". (c_tree_printer): Move implemenation of '%T' to... (print_type): ...this new function. (range_label_for_type_mismatch::get_text): New function. * c-typeck.c (convert_for_assignment): Add type labels to the rhs range for the various ic_argpass cases. (class maybe_range_label_for_tree_type_mismatch): New class. (build_binary_op): Use it when calling binary_op_error. gcc/cp/ChangeLog: * call.c: Include "gcc-rich-location.h". (convert_like_real): Add range label for "invalid conversion" diagnostic. (perform_implicit_conversion_flags): Add type label to the "could not convert" error. * error.c: Include "gcc-rich-location.h". (range_label_for_type_mismatch::get_text): New function. * typeck.c (convert_for_assignment): Add type label to the "cannot convert" error if a location is available. gcc/ChangeLog: * common.opt (fdiagnostics-show-labels): New option. * diagnostic-show-locus.c (class layout_range): Add field "m_label". (class layout): Add field "m_show_labels_p". (layout_range::layout_range): Add param "label" and use it to initialize m_label. (make_range): Pass in NULL for new "label" param of layout_range's ctor. (layout::layout): Initialize m_show_labels_p. (layout::maybe_add_location_range): Pass in loc_range->m_label when constructing layout_range instances. (struct line_label): New struct. (layout::print_any_labels): New member function. (layout::print_line): Call it if label-printing is enabled. (selftest::test_one_liner_labels): New test. (selftest::test_diagnostic_show_locus_one_liner): Call it. * diagnostic.c (diagnostic_initialize): Initialize context->show_labels_p. * diagnostic.h (struct diagnostic_context): Add field "show_labels_p". * doc/invoke.texi (Diagnostic Message Formatting Options): Add -fno-diagnostics-show-labels. * dwarf2out.c (gen_producer_string): Add OPT_fdiagnostics_show_labels to the ignored options. * gcc-rich-location.c (gcc_rich_location::add_expr): Add "label" param. (gcc_rich_location::maybe_add_expr): Likewise. * gcc-rich-location.h (gcc_rich_location::gcc_rich_location): Add label" param, defaulting to NULL. (gcc_rich_location::add_expr): Add "label" param. (gcc_rich_location::maybe_add_expr): Likewise. (class text_range_label): New class. (class range_label_for_type_mismatch): New class. * gimple-ssa-sprintf.c (fmtwarn): Pass NULL for new label params of format_warning_va. (fmtwarn_n): Likewise for new params of format_warning_n_va. * lto-wrapper.c (merge_and_complain): Add OPT_fdiagnostics_show_labels to the "pick one setting" options. (append_compiler_options): Likewise to the dropped options. (append_diag_options): Likewise to the passed-on options. * opts.c (common_handle_option): Handle the new option. * selftest-diagnostic.c (test_diagnostic_context::test_diagnostic_context): Enable show_labels_p. * substring-locations.c: Include "gcc-rich-location.h". (format_warning_n_va): Add "fmt_label" and "param_label" params and use them as appropriate. (format_warning_va): Add "fmt_label" and "param_label" params, passing them on to format_warning_n_va. (format_warning_at_substring): Likewise. (format_warning_at_substring_n): Likewise. * substring-locations.h (format_warning_va): Add "fmt_label" and "param_label" params. (format_warning_n_va): Likewise. (format_warning_at_substring): Likewise. (format_warning_at_substring_n): Likewise. * toplev.c (general_init): Initialize global_dc->show_labels_p. gcc/testsuite/ChangeLog: * g++.dg/diagnostic/aka3.C: New test. * g++.dg/diagnostic/param-type-mismatch-2.C: Update expected output to show range labels. * g++.dg/diagnostic/param-type-mismatch.C: Likewise. * g++.dg/plugin/plugin.exp (plugin_test_list): Add... * g++.dg/plugin/show-template-tree-color-labels.C: New test. * gcc.dg/bad-binary-ops.c: Update expected output to show range labels. Add an "aka" example. * gcc.dg/cpp/pr66415-1.c: Update expected output to show range labels. * gcc.dg/format/diagnostic-ranges.c: Likewise. * gcc.dg/format/pr72858.c: Likewise. * gcc.dg/format/pr78498.c: Likewise. * gcc.dg/param-type-mismatch.c: Add "-Wpointer-sign" to options. Update expected output to show range labels. Add examples of -Wincompatible-pointer-types and -Wpointer-sign for parameters. * gcc.dg/plugin/diagnostic-test-show-locus-bw-line-numbers.c: Update expected output to show range labels. * gcc.dg/plugin/diagnostic-test-show-locus-bw.c: Likewise. (test_very_wide_line): Adjust so that label is at left-clipping boundary. (test_very_wide_line_2): New test. * gcc.dg/plugin/diagnostic-test-show-locus-color-line-numbers.c: Update expected output to show range labels. * gcc.dg/plugin/diagnostic-test-show-locus-color.c: Likewise. * gcc.dg/plugin/diagnostic-test-show-locus-no-labels.c: New test. * gcc.dg/plugin/diagnostic_plugin_show_trees.c (show_tree): Update for new param to gcc_rich_location::add_expr. * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (add_range): Add "label" param. (test_show_locus): Add examples of labels to various tests. Tweak the "very wide_line" test case and duplicate it, to cover the boundary values for clipping of labels against the left-margin. * gcc.dg/plugin/plugin.exp (plugin_test_list): Add diagnostic-test-show-locus-no-labels.c. * gcc.dg/pr69554-1.c: Update expected output to show range labels. Update line numbers of dg-locus directives. * gcc.dg/pr69627.c: Update expected output to show range labels. * lib/multiline.exp (proc _build_multiline_regex): Remove special-case handling of lines with trailing '|'. libcpp/ChangeLog: * include/line-map.h (struct location_range): Add "m_label" field. (class rich_location): Add description of labels to leading comment. (rich_location::rich_location): Add "label" param, defaulting to NULL. (rich_location::add_range): Likewise. (struct label_text): New struct. (class range_label): New abstract base class. * line-map.c (rich_location::rich_location): Add "label" param; use it. (rich_location::add_range): Likewise. From-SVN: r263564
2018-08-09diagnostics: add line numbers to source (PR other/84889)David Malcolm1-0/+1
This patch adds a left margin to the lines of source (and annotations) printed by diagnostic_show_locus, so that e.g. rather than: test.c: In function 'test': test.c:12:15: error: 'struct foo' has no member named 'm_bar'; did you mean 'bar'? return ptr->m_bar; ^~~~~ bar we print: test.c: In function 'test': test.c:12:15: error: 'struct foo' has no member named 'm_bar'; did you mean 'bar'? 12 | return ptr->m_bar; | ^~~~~ | bar Similarly, for a multiline case (in C++ this time), this: bad-binary-ops.C: In function 'int test_2()': bad-binary-ops.C:26:4: error: no match for 'operator+' (operand types are 's' and 't') return (some_function () ~~~~~~~~~~~~~~~~ + some_other_function ()); ^~~~~~~~~~~~~~~~~~~~~~~~ becomes: bad-binary-ops.C: In function 'int test_2()': bad-binary-ops.C:26:4: error: no match for 'operator+' (operand types are 's' and 't') 25 | return (some_function () | ~~~~~~~~~~~~~~~~ 26 | + some_other_function ()); | ^~~~~~~~~~~~~~~~~~~~~~~~ I believe this slightly improves the readability of the output, in that it: - distinguishes between the user's source code vs the annotation lines that we're adding (the underlinings and fix-it hints here) - shows the line numbers in another place (potentially helpful for multiline diagnostics, where the user can see the line numbers directly, rather than have to figure them out relative to the caret: in the 2nd example, note how the diagnostic is reported at line 26, but the first line printed is actually line 25) I'm not sure that this is the precise format we want to go with [1], but I think it's an improvement over the status quo, and we're in stage 1 of gcc 9, so there's plenty of time to shake out issues. I've turned it on by default; it can be disabled via -fno-diagnostics-show-line-numbers (it's also turned off in the testsuite, to avoid breaking numerous existing test cases). [1] Some possible variants: - maybe just "LL|" rather than "LL | " - maybe ':' rather than '|' - maybe we should have some leading indentation, to better split up the diagnostics visually via the left-hand column - etc gcc/ChangeLog: PR other/84889 * common.opt (fdiagnostics-show-line-numbers): New option. * diagnostic-show-locus.c (class layout): Add fields "m_show_line_numbers_p" and "m_linenum_width"; (num_digits): New function. (test_num_digits): New function. (layout::layout): Initialize new fields. Update m_x_offset logic to handle any left margin. (layout::print_source_line): Print line number when requested. (layout::start_annotation_line): New member function. (layout::print_annotation_line): Call it. (layout::print_leading_fixits): Likewise. (layout::print_trailing_fixits): Likewise. Update calls to move_to_column for new parameter. (layout::get_x_bound_for_row): Add "add_left_margin" param and use it to potentially call start_annotation_line. (layout::show_ruler): Call start_annotation_line. (selftest::test_line_numbers_multiline_range): New selftest. (selftest::diagnostic_show_locus_c_tests): Call test_num_digits and selftest::test_line_numbers_multiline_range. * diagnostic.c (diagnostic_initialize): Initialize show_line_numbers_p. * diagnostic.h (struct diagnostic_context): Add field "show_line_numbers_p". * doc/invoke.texi (Diagnostic Message Formatting Options): Add -fno-diagnostics-show-line-numbers. * dwarf2out.c (gen_producer_string): Add OPT_fdiagnostics_show_line_numbers to the ignored options. * lto-wrapper.c (merge_and_complain): Likewise to the "pick one setting" options. (append_compiler_options): Likewise to the dropped options. (append_diag_options): Likewise to the passed-on options. * opts.c (common_handle_option): Handle the new option. * toplev.c (general_init): Set up global_dc->show_line_numbers_p. gcc/testsuite/ChangeLog: PR other/84889 * gcc.dg/plugin/diagnostic-test-show-locus-bw-line-numbers.c: New test. * gcc.dg/plugin/diagnostic-test-show-locus-color-line-numbers.c: New test. * gcc.dg/plugin/plugin.exp (plugin_test_list): Add the new tests. * lib/prune.exp: Add -fno-diagnostics-show-line-numbers to TEST_ALWAYS_FLAGS. From-SVN: r263450
2018-08-08[PATCH] line-map include-from representationNathan Sidwell1-2/+3
https://gcc.gnu.org/ml/gcc-patches/2018-08/msg00554.html Make linemap::included_from a location libcpp/ * include/line-map.h (struct line_map_ordinary): Replace included_from map index with included_at source_location. (ORDINARY_MAP_INCLUDER_FILE_INDEX): Delete. (LAST_SOURCE_LINE_LOCATION): Delete. (LAST_SOURCE_LINE, LAST_SOURCE_COLUMN): Delete. (linemap_included_from): New. (linemap_included_from_linemap): Declare. (MAIN_FILE_P): Adjust. * line-map.c (linemap_included_from_linemap): New. (lonemap_check_files_exited): Use linemap_included_at. (linemap_add): Adjust inclusion setting. (linemap_dump, linemap_dump_location): Adjust. * directives.c (do_linemarker): Use linemap_included_at. gcc/ * diagnostic.c (diagnostic_report_current_module): Use linemap_included_from & linemap_included_from_linemap. gcc/c-family/ * c-common.c (try_to_locate_new_include_inertion_point): Use linemap_included_from_linemap. * c-lex.c (fe_file_change): Use linemap_included_from. * c-ppoutput.c (pp_file_change): Likewise. gcc/fortran/ * cpp.c (cb_file_change): Use linemap_included_from. gcc/testsuite/ * c-c++-common/inc-from-1a.h, c-c++-common/inc-from-1b.h, c-c++-common/inc-from-1.c: New From-SVN: r263429
2018-08-06[PATCH] Diagnostic included-from loopNathan Sidwell1-13/+17
https://gcc.gnu.org/ml/gcc-patches/2018-08/msg00416.html * diagnostic.c (diagnostic_report_current_module): Reroll included-at loop. Translate text. From-SVN: r263341
2018-08-02Fix memory leak of pretty_printer prefixesDavid Malcolm1-2/+1
We were rather sloppy about handling the ownership of prefixes for pretty_printer, and this lead to a memory leak for any time a diagnostic_show_locus call emits multiple line spans. This showed up in "make selftest-valgrind" as: 3,976 bytes in 28 blocks are definitely lost in loss record 632 of 669 at 0x4A0645D: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) by 0x1F08227: xmalloc (xmalloc.c:147) by 0x1F083E6: xvasprintf (xvasprintf.c:58) by 0x1E7EC7D: build_message_string(char const*, ...) (diagnostic.c:78) by 0x1E7F438: diagnostic_get_location_text(diagnostic_context*, expanded_location) (diagnostic.c:328) by 0x1E7FD54: default_diagnostic_start_span_fn(diagnostic_context*, expanded_location) (diagnostic.c:626) by 0x1EB3508: selftest::test_diagnostic_context::start_span_cb(diagnostic_context*, expanded_location) (selftest-diagnostic.c:57) by 0x1E89215: diagnostic_show_locus(diagnostic_context*, rich_location*, diagnostic_t) (diagnostic-show-locus.c:1992) by 0x1E8ECAD: selftest::test_fixit_insert_containing_newline_2(selftest::line_table_case const&) (diagnostic-show-locus.c:3044) by 0x1EB0606: selftest::for_each_line_table_case(void (*)(selftest::line_table_case const&)) (input.c:3525) by 0x1E8F3F5: selftest::diagnostic_show_locus_c_tests() (diagnostic-show-locus.c:3164) by 0x1E010BF: selftest::run_tests() (selftest-run-tests.c:88) 4,004 bytes in 28 blocks are definitely lost in loss record 633 of 669 at 0x4A0645D: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) by 0x1F08227: xmalloc (xmalloc.c:147) by 0x1F083E6: xvasprintf (xvasprintf.c:58) by 0x1E7EC7D: build_message_string(char const*, ...) (diagnostic.c:78) by 0x1E7F438: diagnostic_get_location_text(diagnostic_context*, expanded_location) (diagnostic.c:328) by 0x1E7FD54: default_diagnostic_start_span_fn(diagnostic_context*, expanded_location) (diagnostic.c:626) by 0x1EB3508: selftest::test_diagnostic_context::start_span_cb(diagnostic_context*, expanded_location) (selftest-diagnostic.c:57) by 0x1E89215: diagnostic_show_locus(diagnostic_context*, rich_location*, diagnostic_t) (diagnostic-show-locus.c:1992) by 0x1E8B373: selftest::test_diagnostic_show_locus_fixit_lines(selftest::line_table_case const&) (diagnostic-show-locus.c:2500) by 0x1EB0606: selftest::for_each_line_table_case(void (*)(selftest::line_table_case const&)) (input.c:3525) by 0x1E8F3B9: selftest::diagnostic_show_locus_c_tests() (diagnostic-show-locus.c:3159) by 0x1E010BF: selftest::run_tests() (selftest-run-tests.c:88) This patch fixes the leaks by ensuring that the pretty_printer "owns" the prefix if it's non-NULL, freeing it in the dtor and in pp_set_prefix. gcc/cp/ChangeLog: * error.c (cxx_print_error_function): Duplicate "file" before passing it to pp_set_prefix. (cp_print_error_function): Use pp_take_prefix when saving the existing prefix. gcc/ChangeLog: * diagnostic-show-locus.c (diagnostic_show_locus): Use pp_take_prefix when saving the existing prefix. * diagnostic.c (diagnostic_append_note): Likewise. * langhooks.c (lhd_print_error_function): Likewise. * pretty-print.c (pp_set_prefix): Drop the "const" from "prefix" param's type. Free the existing prefix. (pp_take_prefix): New function. (pretty_printer::pretty_printer): Drop the prefix parameter. Rename the length parameter to match the comment. (pretty_printer::~pretty_printer): Free the prefix. * pretty-print.h (pretty_printer::pretty_printer): Drop the prefix parameter. (struct pretty_printer): Drop the "const" from "prefix" field's type and clarify memory management. (pp_set_prefix): Drop the "const" from the 2nd param. (pp_take_prefix): New decl. From-SVN: r263275
2018-02-27PR translation/84207 - Hard coded plural in gimple-fold.cMartin Sebor1-13/+22
gcc/ChangeLog: PR translation/84207 * diagnostic-core.h (warning_n, error_n, inform_n): Change n argument to unsigned HOST_WIDE_INT. * diagnostic.c (warning_n, error_n, inform_n): Ditto. (diagnostic_n_impl): Ditto. Handle arguments in excess of LONG_MAX. * gimple-ssa-sprintf.c (format_directive): Simplify inform_n call. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Use warning_n. From-SVN: r258044
2018-01-03Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r256169
2017-11-13[Diagnostic Patch] don't print column zeroNathan Sidwell1-23/+42
https://gcc.gnu.org/ml/gcc-patches/2017-10/msg01911.html * diagnostic.c (maybe_line_and_column): New. (diagnostic_get_location_text): Use it. (diagnostic_report_current_module): Likewise. (test_diagnostic_get_location_text): Add tests. * lib/gcc-dg.exp (process-message): Use -: for no column. * c-c++-common/cilk-plus/CK/cilk_for_grain_errors.c: Mark elided column messages. * c-c++-common/cpp/pr58844-1.c: Likewise. * c-c++-common/cpp/pr58844-2.c: Likewise. * c-c++-common/cpp/warning-zero-location.c: Likewise. * g++.dg/diagnostic/pr77949.C: Likewise. * g++.dg/gomp/macro-4.C: Likewise. * gcc.dg/Wunknownprag.c: Likewise. * gcc.dg/builtin-redefine.c: Likewise. * gcc.dg/cpp/Wunknown-pragmas-1.c: Likewise. * gcc.dg/cpp/Wunused.c: Likewise. * gcc.dg/cpp/misspelled-directive-1.c: Likewise. * gcc.dg/cpp/redef2.c: Likewise. * gcc.dg/cpp/redef3.c: Likewise. * gcc.dg/cpp/redef4.c: Likewise. * gcc.dg/cpp/trad/Wunused.c: Likewise. * gcc.dg/cpp/trad/argcount.c: Likewise. * gcc.dg/cpp/trad/comment-3.c: Likewise. * gcc.dg/cpp/trad/comment.c: Likewise. * gcc.dg/cpp/trad/defined.c: Likewise. * gcc.dg/cpp/trad/directive.c: Likewise. * gcc.dg/cpp/trad/funlike-3.c: Likewise. * gcc.dg/cpp/trad/funlike.c: Likewise. * gcc.dg/cpp/trad/literals-2.c: Likewise. * gcc.dg/cpp/trad/macro.c: Likewise. * gcc.dg/cpp/trad/pr65238-4.c: Likewise. * gcc.dg/cpp/trad/recurse-1.c: Likewise. * gcc.dg/cpp/trad/recurse-2.c: Likewise. * gcc.dg/cpp/trad/redef2.c: Likewise. * gcc.dg/cpp/ucnid-11.c: Likewise. * gcc.dg/cpp/unc1.c: Likewise. * gcc.dg/cpp/unc2.c: Likewise. * gcc.dg/cpp/unc3.c: Likewise. * gcc.dg/cpp/unc4.c: Likewise. * gcc.dg/cpp/undef2.c: Likewise. * gcc.dg/cpp/warn-redefined-2.c: Likewise. * gcc.dg/cpp/warn-redefined.c: Likewise. * gcc.dg/cpp/warn-unused-macros-2.c: Likewise. * gcc.dg/cpp/warn-unused-macros.c: Likewise. * gcc.dg/empty-source-2.c: Likewise. * gcc.dg/empty-source-3.c: Likewise. * gcc.dg/gomp/macro-4.c: Likewise. * gcc.dg/noncompile/pr35447-1.c: Likewise. * gcc.dg/plugin/location-overflow-test-1.c: Likewise. * gcc.dg/pr20245-1.c: Likewise. * gcc.dg/pr28419.c: Likewise. * gcc.dg/rtl/truncated-rtl-file.c: Likewise. * gcc.dg/unclosed-init.c: Likewise. From-SVN: r254691
2017-11-02Add selftest for diagnostic_get_location_textDavid Malcolm1-0/+41
gcc/ChangeLog: * diagnostic.c: Include "selftest-diagnostic.h". (selftest::assert_location_text): New function. (selftest::test_diagnostic_get_location_text): New function. (selftest::diagnostic_c_tests): Call it. From-SVN: r254355
2017-10-31diagnostics: get rid of *_at_rich_loc in favor of overloadingDavid Malcolm1-44/+43
Adding a fix-it hint currently involves changing e.g.: error_at (token->location, "unknown type name %qE; did you mean %qs?", token->value, hint); to: gcc_rich_location richloc (token->location); richloc.add_fixit_replace (hint); error_at_rich_loc (&richloc, "unknown type name %qE; did you mean %qs?", token->value, hint); to make the change from taking a location_t to a rich_location *. This patch renames the "*_at_rich_loc" diagnostic entrypoints to use the same function names for rich_location * as for location_t, via overloading, to simplify the above change to just changing from: error_at (token->location, "unknown type name %qE; did you mean %qs?", token->value, hint); to: gcc_rich_location richloc (token->location); richloc.add_fixit_replace (hint); error_at (&richloc, "unknown type name %qE; did you mean %qs?", token->value, hint); thus saving space (and typing) and usually avoiding the need to reindent the "error_at" invocation. With this change, 0 is no longer acceptable as a location_t to these entrypoints, as e.g.: ../../src/gcc/auto-profile.c:855:37: error: call of overloaded 'inform(int, const char [18])' is ambiguous inform (0, "Not expected TAG."); ^ In file included from ../../src/gcc/auto-profile.c:35:0: ../../src/gcc/diagnostic-core.h:88:13: note: candidate: 'void inform(location_t, const char*, ...)' extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); ^~~~~~ ../../src/gcc/diagnostic-core.h:89:13: note: candidate: 'void inform(rich_location*, const char*, ...)' extern void inform (rich_location *, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); ^~~~~~ Such locations now need to be spelled out as UNKNOWN_LOCATION, rather than 0. I considered making the API take a rich_location & rather than a rich_location *, but doing so would mean replacing diagnostic_set_info and diagnostic_set_info_translated with a constructor for diagnostic_info, which was a more invasive change. Maybe in the future. gcc/ChangeLog: * auto-profile.c (autofdo_source_profile::read): Use UNKNOWN_LOCATION rather than 0. * diagnostic-core.h (warning_at_rich_loc): Rename to... (warning_at): ...this overload. (warning_at_rich_loc_n): Rename to... (warning_n): ...this overload. (error_at_rich_loc): Rename to... (error_at): ...this overload. (pedwarn_at_rich_loc): Rename to... (pedwarn): ...this overload. (permerror_at_rich_loc): Rename to... (permerror): ...this overload. (inform_at_rich_loc): Rename to... (inform): ...this overload. * diagnostic.c: (diagnostic_n_impl): Delete location_t-based decl. (diagnostic_n_impl_richloc): Rename to... (diagnostic_n_impl): ...this rich_location *-based decl. (inform_at_rich_loc): Rename to... (inform): ...this, and add an assertion. (inform_n): Update for removal of location_t-based diagnostic_n_impl. (warning_at_rich_loc): Rename to... (warning_at): ...this, and add an assertion. (warning_at_rich_loc_n): Rename to... (warning_n): ...this, and add an assertion. (warning_n): Update location_t-based implementation for removal of location_t-based diagnostic_n_impl. (pedwarn_at_rich_loc): Rename to... (pedwarn): ...this, and add an assertion. (permerror_at_rich_loc): Rename to... (permerror): ...this, and add an assertion. (error_n): Update for removal of location_t-based diagnostic_n_impl. (error_at_rich_loc): Rename to... (error_at): ...this, and add an assertion. * gcc.c (do_spec_1): Use UNKNOWN_LOCATION rather than 0. (driver::do_spec_on_infiles): Likewise. * substring-locations.c (format_warning_va): Update for renaming of inform_at_rich_loc. gcc/c-family/ChangeLog: * c-common.c (binary_op_error): Update for renaming of error_at_rich_loc. (c_parse_error): Likewise. * c-warn.c (warn_logical_not_parentheses): Likewise for renaming of inform_at_rich_loc. (warn_for_restrict): Likewise for renaming of warning_at_rich_loc_n. gcc/c/ChangeLog: * c-decl.c (implicit_decl_warning): Update for renaming of pedwarn_at_rich_loc and warning_at_rich_loc. (implicitly_declare): Likewise for renaming of inform_at_rich_loc. (undeclared_variable): Likewise for renaming of error_at_rich_loc. * c-parser.c (c_parser_declaration_or_fndef): Likewise. (c_parser_struct_or_union_specifier): Likewise for renaming of pedwarn_at_rich_loc. (c_parser_parameter_declaration): Likewise for renaming of error_at_rich_loc. * c-typeck.c (build_component_ref): Likewise. (build_unary_op): Likewise for renaming of inform_at_rich_loc. (pop_init_level): Likewise for renaming of warning_at_rich_loc. (set_init_label): Likewise for renaming of error_at_rich_loc. gcc/cp/ChangeLog: * class.c (explain_non_literal_class): Use UNKNOWN_LOCATION rather than 0. * name-lookup.c (suggest_alternatives_for): Update for renaming of inform_at_rich_loc. (maybe_suggest_missing_header): Likewise. (suggest_alternative_in_explicit_scope): Likewise. * parser.c (cp_parser_diagnose_invalid_type_name): Likewise for renaming of error_at_rich_loc. (cp_parser_string_literal): Likewise. (cp_parser_nested_name_specifier_opt): Likewise. (cp_parser_cast_expression): Likewise for renaming of warning_at_rich_loc. (cp_parser_decl_specifier_seq): Likewise for renaming of error_at_rich_loc and warning_at_rich_loc. (cp_parser_elaborated_type_specifier): Likewise for renaming of pedwarn_at_rich_loc. (cp_parser_cv_qualifier_seq_opt): Likewise for renaming of error_at_rich_loc. (cp_parser_virt_specifier_seq_opt): Likewise. (cp_parser_class_specifier_1): Likewise. (cp_parser_class_head): Likewise. (cp_parser_member_declaration): Likewise for renaming of pedwarn_at_rich_loc, warning_at_rich_loc, and error_at_rich_loc. (cp_parser_enclosed_template_argument_list): Likewise for renaming of error_at_rich_loc. (set_and_check_decl_spec_loc): Likewise. * pt.c (listify): Likewise. * rtti.c (typeid_ok_p): Likewise. * semantics.c (process_outer_var_ref): Use UNKNOWN_LOCATION rather than 0. * typeck.c (access_failure_info::maybe_suggest_accessor): Update for renaming of inform_at_rich_loc. (finish_class_member_access_expr): Likewise for renaming of error_at_rich_loc. gcc/objc/ChangeLog: * objc-gnu-runtime-abi-01.c (objc_gnu_runtime_abi_01_init): Use UNKNOWN_LOCATION rather than 0. gcc/testsuite/ChangeLog: * gcc.dg/plugin/diagnostic_plugin_show_trees.c (show_tree): Update for renaming of error_at_rich_loc and inform_at_rich_loc. * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (test_show_locus): Likewise for renaming of warning_at_rich_loc. libcpp/ChangeLog: * directives.c (_cpp_handle_directive): Update for renaming of cpp_error_at_richloc to cpp_error_at. * errors.c (cpp_diagnostic_at_richloc): Rename to... (cpp_diagnostic_at): ...this, dropping the location_t-based implementation. (cpp_diagnostic): Update for removal of location_t-based cpp_diagnostic_at. (cpp_error_at): Likewise. (cpp_error_at_richloc): Rename to... (cpp_error_at): ...this, and update for renaming of cpp_diagnostic_at_richloc. * include/cpplib.h (cpp_error_at_richloc): Rename to... (cpp_error_at): ...this. From-SVN: r254280
2017-08-09re PR c/81233 (--Wdiscarded-qualifiers and Wincompatible-pointer-types ↵Marek Polacek1-0/+12
missing important detail) PR c/81233 * c-typeck.c (pedwarn_init): Make the function take a variable list. Call emit_diagnostic_valist instead of pedwarn. (convert_for_assignment): Unroll the PEDWARN_FOR_ASSIGNMENT macro. Print the relevant types in diagnostics. * diagnostic-core.h (emit_diagnostic_valist): Add declaration. * diagnostic.c (emit_diagnostic): Add a comment. (emit_diagnostic_valist): New function. * gcc.dg/diagnostic-types-1.c: New test. * gcc.dg/assign-warn-1.c: Update warning messages. * gcc.dg/assign-warn-2.c: Likewise. * gcc.dg/c90-const-expr-5.c: Likewise. * gcc.dg/c99-const-expr-5.c: Likewise. * gcc.dg/conv-2.c: Likewise. * gcc.dg/init-bad-7.c: Likewise. * gcc.dg/overflow-warn-1.c: Likewise. * gcc.dg/overflow-warn-2.c: Likewise. * gcc.dg/overflow-warn-3.c: Likewise. * gcc.dg/overflow-warn-4.c: Likewise. * gcc.dg/pointer-array-atomic.c: Likewise. * gcc.dg/pr26865.c: Likewise. * gcc.dg/pr61162-2.c: Likewise. * gcc.dg/pr61162.c: Likewise. * gcc.dg/pr67730-2.c: Likewise. * gcc.dg/pr69156.c: Likewise. * gcc.dg/pr70174.c: Likewise. * objc.dg/proto-lossage-4.m: Likewise. From-SVN: r250985
2017-06-09Add support for mutually-incompatible fix-it hintsDavid Malcolm1-1/+2
This patch adds a method: rich_location::fixits_cannot_be_auto_applied for ensuring that mutually-incompatible fix-its hints don't lead to insane output from -fdiagnostics-generate-patch. Fix-it hints within such rich_location instances are printed as normal by diagnostic_show_locus, but don't affect the output of -fdiagnostics-generate-patch. gcc/ChangeLog: * diagnostic.c (diagnostic_report_diagnostic): Only add fixits to the edit_context if they can be auto-applied. gcc/testsuite/ChangeLog: * gcc.dg/plugin/diagnostic-test-show-locus-bw.c (test_mutually_exclusive_suggestions): New test function. * gcc.dg/plugin/diagnostic-test-show-locus-generate-patch.c (test_mutually_exclusive_suggestions): New test function. * gcc.dg/plugin/diagnostic-test-show-locus-parseable-fixits.c (test_mutually_exclusive_suggestions): New test function. * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (test_show_locus): Add special-case for "test_mutually_exclusive_suggestions". libcpp/ChangeLog: * include/line-map.h (rich_location::fixits_cannot_be_auto_applied): New method. (rich_location::fixits_can_be_auto_applied_p): New accessor. (rich_location::m_fixits_cannot_be_auto_applied): New field. * line-map.c (rich_location::rich_location): Initialize new field. From-SVN: r249081
2017-05-05Get rid of macros for diagnostic_report_current_moduleDavid Malcolm1-2/+21
diagnostic.h has a couple of macros (diagnostic_last_module_changed and diagnostic_set_last_module) which are only used within diagnostic_report_current_module. This patch eliminates the macros in favor of static functions within diagnostic.c. No functional change intended. gcc/ChangeLog: * diagnostic.c (last_module_changed_p): New function. (set_last_module): New function. (diagnostic_report_current_module): Convert macro usage to the above functions. * diagnostic.h (diagnostic_context::last_module): Strengthen from const line_map * to const line_map_ordinary *. (diagnostic_last_module_changed): Delete macro. (diagnostic_set_last_module): Delete macro. From-SVN: r247664
2017-05-05Eliminate report_diagnostic macroDavid Malcolm1-2/+2
This patch eliminates the report_diagnostic macro, manually expanding it in all sites in the code. No functional change intended. gcc/c-family/ChangeLog: * c-common.c (c_cpp_error): Replace report_diagnostic with diagnostic_report_diagnostic. gcc/c/ChangeLog: * c-decl.c (warn_defaults_to): Replace report_diagnostic with diagnostic_report_diagnostic. * c-errors.c (pedwarn_c99): Likewise. (pedwarn_c90): Likewise. gcc/cp/ChangeLog: * error.c (pedwarn_cxx98): Replace report_diagnostic with diagnostic_report_diagnostic. gcc/ChangeLog: * diagnostic.c (diagnostic_impl): Replace report_diagnostic with diagnostic_report_diagnostic. (diagnostic_n_impl_richloc): Likewise. * diagnostic.h (report_diagnostic): Delete macro. * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic with diagnostic_report_diagnostic. * substring-locations.c (format_warning_va): Likewise. gcc/fortran/ChangeLog: * cpp.c (cb_cpp_error): Replace report_diagnostic with diagnostic_report_diagnostic. * error.c (gfc_warning): Likewise. (gfc_warning_now_at): Likewise. (gfc_warning_now): Likewise. (gfc_warning_internal): Likewise. (gfc_error_now): Likewise. (gfc_fatal_error): Likewise. (gfc_error_opt): Likewise. (gfc_internal_error): Likewise. From-SVN: r247663
2017-05-05diagnostic.c: add print_option_informationDavid Malcolm1-24/+28
This patch simplifies diagnostic_report_diagnostic by moving option-printing to a new subroutine. Doing so required a slight rewrite. In both the old and new code, context->option_name returns a malloc-ed string. The old behavior was to then use ACONCAT to manipulate the format_spec, appending the option metadata. ACONCAT calcs the buffer size, then uses alloca, and then copies the data to the on-stack buffer. Given the alloca, this needs rewriting when moving the printing to a subroutine. In the new version, the metadata is simply printed using pp_* calls (so it's hitting the obstack within the pretty_printer). This means we can get rid of the save/restore of format_spec: I don't believe anything else in the code modifies it. It also seems inherently simpler; it seems odd to me to be appending metadata to the formatting string, rather than simply printing the metadata after the formatted string is printed (the old code also assumed that no option name contained a '%'). No functional change intended. gcc/ChangeLog: * diagnostic.c (diagnostic_report_diagnostic): Eliminate save/restor of format_spec. Move option-printing code to... (print_option_information): ...this new function, and reimplement by simply printing to the pretty_printer, rather than appending to the format string. From-SVN: r247661
2017-05-05diagnostic_report_diagnostic: refactor pragma-handlingDavid Malcolm1-29/+50
This patch simplifies diagnostic_report_diagnostic by moving the pragma-handling logic into a subroutine. No functional change intended. gcc/ChangeLog: * diagnostic.c (diagnostic_report_diagnostic): Split out pragma handling logic into... (update_effective_level_from_pragmas): ...this new function. From-SVN: r247660
2017-05-01Eliminate fixit_hint class hierarchyDavid Malcolm1-36/+6
The original implementation of fix-it hints (r230674) had an abstract base class "fixit_hint" and three subclasses, representing each of insertions, replacements, and deletions. Having multiple classes for fix-it hints was a nuisance, as it required per-class logic everywhere that the hints were handled. In r239632 I eliminated the deletion subclass in favor of replacement with the empty string (two subclasses are easier than three). This patch eliminates the class hierarchy altogether by implementing insertion in terms of replacement, by representing replacements via a half-open interval (so that for an insertion, start == next location, and we're effectively replacing an empty range at the insertion point with the new string). This greatly simplifies the code for handling fix-it hints; for example it allows removal of a parallel class hierarchy of line_event within edit-context.c. It also improves consolidation of hints: we can now consolidate insertions at the same location, affecting a couple of tests (selftest::test_one_liner_many_fixits and gcc.dg/Wmissing-braces-fixits.c). gcc/ChangeLog: * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite to use new fixit_hint representation, using the "replace" logic. (get_line_span_for_fixit_hint): Likewise. (layout::print_any_fixits): Likewise. (selftest::test_one_liner_many_fixits): Rename to... (selftest::test_one_liner_many_fixits_1): ...this, and update comment and expected output to reflect that the multiple fix-it hints are now consolidated into one insertion. (selftest::test_one_liner_many_fixits_2): New test. (selftest::test_diagnostic_show_locus_one_liner): Update for above. (selftest::test_fixit_consolidation): Update for fix-it API change. * diagnostic.c (print_parseable_fixits): Likewise. * edit-context.c (edited_line::m_line_events): Convert from auto_vec <line_event *> to auto_vec <line_event>. (class line_event): Convert from abstract base class to a concrete class, taking over the role of replace_event. (class insert_event): Delete. (class replace_event): Rename to class line_event. Convert to half-open range. (edit_context::add_fixits): Reimplement. (edit_context::apply_insert): Delete. (edit_context::apply_replace): Rename to... (edit_context::apply_fixit): ...this. Convert to half-open range. (edited_file::apply_insert): Delete. (edited_file::apply_replace): Rename to... (edited_file::apply_fixit): ...this. (edited_line::~edited_line): Drop deletion of events. (edited_line::apply_insert): Delete. (edited_line::apply_replace): Rename to... (edited_line::apply_fixit): ...this. Convert to half-open range. Update for change to type of m_line_events. * edit-context.h (edit_context::apply_insert): Delete. (edit_context::apply_replace): Rename to... (edit_context::apply_fixit): ...this. gcc/testsuite/ChangeLog: * gcc.dg/Wmissing-braces-fixits.c: Update expected output to reflect insertion fix-it hints at the same location now being consolidated. libcpp/ChangeLog: * include/line-map.h (source_range::intersects_line_p): Delete. (rich_location::add_fixit): Delete. (rich_location::maybe_add_fixit): New method. (class fixit_hint): Reimplement in terms of... (class fixit_replace): ...this. (class fixit_insert): Delete. * line-map.c (linemap_position_for_loc_and_offset): Drop overzealous linemap_assert_fails. (source_range::intersects_line_p): Rename to... (fixit_hint::affects_line_p): New function. (rich_location::add_fixit_insert_before): Reimplement in terms of maybe_add_fixit, moving validation there. (rich_location::add_fixit_insert_after): Likewise. (column_before_p): Delete. (rich_location::add_fixit_replace): Reimplement in terms of maybe_add_fixit, moving validation there. Convert closed input range to half-open range. (rich_location::add_fixit): Delete. (rich_location::maybe_add_fixit): New function. (fixit_insert::fixit_insert): Delete. (fixit_insert::~fixit_insert): Delete. (fixit_insert::affects_line_p): Delete. (fixit_insert::maybe_append_replace): Delete. (fixit_replace::fixit_replace): Rename to... (fixit_hint::fixit_hint): ...this, rewriting as necessary. (fixit_replace::~fixit_replace): Delete. (fixit_replace::affects_line_p): Delete. (fixit_replace::maybe_append_replace): Rename to... (fixit_hint::maybe_append): ...this, rewriting as necessary. From-SVN: r247445
2017-01-01Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r243994
2016-12-05diagnostic.c (diagnostic_check_max_errors): New, broken out of ...Nathan Sidwell1-12/+28
gcc/ * diagnostic.c (diagnostic_check_max_errors): New, broken out of ... (diagnostic_action_after_output): ... here. (diagnostic_report_diagnostic): Call it for non-notes. * diagnostic.h (struct diagnostic_context): Make max_errors signed int. (diagnostic_check_max_errors): Declare. gcc/fortran/ * error.c (gfc_warning_check): Call diagnostic_check_max_errors. (gfc_error_check): Likewise. gcc/testsuite/ * c-c++-common/fmax_errors.c: Check notes after last error are emitted. From-SVN: r243254
2016-12-02diagnostic.c (diagnostic_report_diagnostic): Remove extraneous braces.Nathan Sidwell1-3/+1
* diagnostic.c (diagnostic_report_diagnostic): Remove extraneous braces. From-SVN: r243177
2016-10-15revert: diagnostic.c (diagnostic_action_after_output): Remove max error ↵Nathan Sidwell1-22/+15
handling here .... Revert * diagnostic.c (diagnostic_action_after_output): Remove max error handling here .... (diagnostic_report_diagnostic): ... do it here instead. testsuite/ * c-c++-common/fmax-errors.c: Make sure note is emitted. From-SVN: r241198
2016-10-14diagnostic.c (diagnostic_action_after_output): Remove max error handling ↵Nathan Sidwell1-15/+22
here .... * diagnostic.c (diagnostic_action_after_output): Remove max error handling here .... (diagnostic_report_diagnostic): ... do it here instead. testsuite/ * c-c++-common/fmax-errors.c: Make sure note is emitted. From-SVN: r241186
2016-10-12* diagnostic.c (diagnostc_report_diagnostic): Fix formatting.Nathan Sidwell1-4/+6
From-SVN: r241027
2016-10-08diagnostic-core.h (warning_at_rich_loc_n): Declare.Prathamesh Kulkarni1-7/+37
2016-10-08 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org> * diagnostic-core.h (warning_at_rich_loc_n): Declare. * diagnostic.c (warning_at_rich_loc_n): New function. (diagnostic_n_impl_richloc): Likewise. (diagnostic_n_impl): Move most of the function to diagnostic_n_impl_richloc and call it. From-SVN: r240891
2016-09-13fix-it hints: insert_before vs insert_afterDavid Malcolm1-1/+1
The API for adding "insert text" fix-it hints was unclear about exactly where the text should be inserted relative to the given insertion point. This patch clarifies things by renaming the pertinent methods from richloc.add_fixit_insert to richloc.add_fixit_insert_before and adding: richloc.add_fixit_insert_after The latter allows us to consolidate some failure-handling into class rich_location, rather than having to have every such diagnostic check for it. The patch also adds a description of how fix-it hints work to the comment for class rich_location within libcpp/include/line-map.h. gcc/c-family/ChangeLog: * c-common.c (warn_logical_not_parentheses): Replace rich_location::add_fixit_insert calls with add_fixit_insert_before and add_fixit_insert_after, eliminating the "next_loc" calculation. gcc/c/ChangeLog: * c-parser.c (c_parser_declaration_or_fndef): Update for renaming of add_fixit_insert to add_fixit_insert_before. gcc/cp/ChangeLog: * parser.c (cp_parser_class_specifier_1): Update for renaming of add_fixit_insert to add_fixit_insert_before. (cp_parser_class_head): Likewise. gcc/ChangeLog: * diagnostic-show-locus.c (selftest::test_one_liner_fixit_insert): Rename to... (selftest::test_one_liner_fixit_insert_before): ...this, and update for renaming of add_fixit_insert to add_fixit_insert_before. (selftest::test_one_liner_fixit_insert_after): New function. (selftest::test_one_liner_fixit_validation_adhoc_locations): Update for renaming of add_fixit_insert to add_fixit_insert_before. (selftest::test_one_liner_many_fixits): Likewise. (selftest::test_diagnostic_show_locus_one_liner): Update for renaming, call new test function. (selftest::test_diagnostic_show_locus_fixit_lines): Update for renaming of add_fixit_insert to add_fixit_insert_before. (selftest::test_fixit_consolidation): Likewise. * diagnostic.c (selftest::test_print_parseable_fixits_insert): Likewise. * edit-context.c (selftest::test_applying_fixits_insert): Rename to... (selftest::test_applying_fixits_insert_before): ...this. (selftest::test_applying_fixits_insert): Update for renaming of add_fixit_insert to add_fixit_insert_before. (selftest::test_applying_fixits_insert_after): New function. (selftest::test_applying_fixits_insert_after_at_line_end): New function. (selftest::test_applying_fixits_insert_after_failure): New function. (selftest::test_applying_fixits_multiple): Update for renaming of add_fixit_insert to add_fixit_insert_before. (selftest::change_line): Likewise. (selftest::test_applying_fixits_unreadable_file): Likewise. (selftest::test_applying_fixits_line_out_of_range): Likewise. (selftest::test_applying_fixits_column_validation): Likewise. (selftest::test_applying_fixits_column_validation): Likewise. (selftest::edit_context_c_tests): Update for renamed test function; call new test functions. gcc/testsuite/ChangeLog: * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (test_show_locus): Replace rich_location::add_fixit_insert calls with add_fixit_insert_before and add_fixit_insert_after. libcpp/ChangeLog: * include/line-map.h (class rich_location): Add description of fix-it hints to leading comment. (rich_location::add_fixit_insert): Rename both overloaded methods to.. (rich_location::add_fixit_insert_before): ...this, updating their comments. (rich_location::add_fixit_insert_after): Two new overloaded methods. (rich_location::stop_supporting_fixits): New method. * line-map.c (rich_location::add_fixit_insert): Rename both overloaded methods to.. (rich_location::add_fixit_insert_before): ...this, updating their comments. (rich_location::add_fixit_insert_after): Two new methods. (rich_location::reject_impossible_fixit): Split out failure-handling into... (rich_location::stop_supporting_fixits): New method. From-SVN: r240115
2016-09-02Add -fdiagnostics-generate-patchDavid Malcolm1-0/+11
gcc/ChangeLog: * common.opt (fdiagnostics-generate-patch): New option. * diagnostic.c: Include "edit-context.h". (diagnostic_initialize): Initialize context->edit_context_ptr. (diagnostic_finish): Delete context->edit_context_ptr. (diagnostic_report_diagnostic): Add fix-it hints from the diagnostic to context->edit_context_ptr, if any. * diagnostic.h (class edit_context): Add forward decl. (struct diagnostic_context): Add field "edit_context_ptr". * doc/invoke.texi (Diagnostic Message Formatting Options): Add -fdiagnostics-generate-patch. (-fdiagnostics-generate-patch): New item. * toplev.c: Include "edit-context.h". (process_options): Set global_dc->edit_context_ptr to a new edit_context if the options need one. (toplev::main): Handle -fdiagnostics-generate-patch by using global_dc->edit_context_ptr. gcc/testsuite/ChangeLog: * gcc.dg/plugin/diagnostic-test-show-locus-generate-patch.c: New test case. * gcc.dg/plugin/plugin.exp (plugin_test_list): Add diagnostic-test-show-locus-generate-patch.c to the sources for diagnostic_plugin_test_show_locus.c. From-SVN: r239965
2016-08-31Remove arbitrary limits from rich_locationDavid Malcolm1-1/+1
This patch eliminates the hard-coded limits within rich_location (up to 3 ranges, up to 2 fixits). The common case is still handled by embedding the values inside rich_location - it only uses dynamic allocation if these limits are exceeded, so creation of rich_location instances on the stack should still be fast. This is implemented via a new container class, semi_embedded_vec <T, N>. gcc/ChangeLog: * diagnostic-show-locus.c (colorizer::begin_state): Support more than 3 ranges per diagnostic by alternating between color 1 and color 2. (layout::layout): Replace use of rich_location::MAX_RANGES with richloc->get_num_locations (). (layout::calculate_line_spans): Replace use of rich_location::MAX_RANGES with m_layout_ranges.length (). (layout::print_annotation_line): Handle arbitrary numbers of ranges in caret-printing by defaulting to '^'. (selftest::test_one_liner_many_fixits): New function. (test_diagnostic_show_locus_one_liner): Call it. * diagnostic.c (diagnostic_initialize): Update for renaming of rich_location::MAX_RANGES to rich_location::STATICALLY_ALLOCATED_RANGES. * diagnostic.h (struct diagnostic_context): Likewise. gcc/testsuite/ChangeLog: * gcc.dg/plugin/diagnostic-test-show-locus-bw.c (test_many_nested_locations): New function. * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (test_show_locus): Handle "test_many_nested_locations". libcpp/ChangeLog: * include/line-map.h (class semi_embedded_vec): New class. (semi_embedded_vec<T, NUM_EMBEDDED>::semi_embedded_vec): New ctor. (semi_embedded_vec<T, NUM_EMBEDDED>::~semi_embedded_vec): New dtor. (semi_embedded_vec<T, NUM_EMBEDDED>::operator[]): New methods. (semi_embedded_vec<T, NUM_EMBEDDED>::push): New method. (semi_embedded_vec<T, NUM_EMBEDDED>::truncate): New method. (rich_location::get_num_locations): Reimplement in terms of m_ranges. (rich_location::get_range): Make non-inline. (rich_location::get_num_fixit_hints): Reimplement in terms of m_fixit_hints. (rich_location::add_fixit): New function. (rich_location::MAX_RANGES): Rename to... (rich_location::STATICALLY_ALLOCATED_RANGES): ...this. (rich_location::MAX_FIXIT_HINTS): Rename to... (rich_location::STATICALLY_ALLOCATED_RANGES): ...this, and make private. (rich_location::m_num_ranges): Eliminate in favor of... (rich_location::m_ranges): ...this, converting from a fixed-size array to a semi_embedded_vec. (rich_location::m_num_fixit_hints): Eliminate in favor of... (rich_location::m_fixit_hints): ...this, converting from a fixed-size array to a semi_embedded_vec. * line-map.c (rich_location::rich_location): Update for above changes. (rich_location::~rich_location): Likewise. (rich_location::get_loc): Likewise. (rich_location::get_range): New methods. (rich_location::add_range): Update for above changes. (rich_location::set_range): Likewise. (rich_location::add_fixit_insert): Likewise. (rich_location::add_fixit_replace): Likewise. (rich_location::get_last_fixit_hint): Likewise. (rich_location::reject_impossible_fixit): Likewise. (rich_location::add_fixit): New method. From-SVN: r239879
2016-08-19Reimplement removal fix-it hints in terms of replaceDavid Malcolm1-4/+0
This patch eliminates class fixit_remove, reimplementing rich_location::add_fixit_remove in terms of replacement with the empty string. Deleting the removal subclass simplifies fixit-handling code, as we only have two concrete fixit_hint subclasses to deal with, rather than three. The patch also fixes some problems in diagnostic-show-locus.c for situations where a replacement fix-it has a different range to the range of the diagnostic, by unifying the drawing of the two kinds of fixits. For example, this: foo = bar.field; ^ m_field becomes: foo = bar.field; ^ ----- m_field showing the range to be replaced. gcc/ChangeLog: * diagnostic-show-locus.c (layout::annotation_line_showed_range_p): New method. (layout::print_any_fixits): Remove case fixit_hint::REMOVE. Reimplement case fixit_hint::REPLACE to cover removals, and replacements where the range of the replacement isn't one of the ranges in the rich_location. (test_one_liner_fixit_replace): Likewise. (selftest::test_one_liner_fixit_replace_non_equal_range): New function. (selftest::test_one_liner_fixit_replace_equal_secondary_range): New function. (selftest::test_diagnostic_show_locus_one_liner): Call the new functions. * diagnostic.c (print_parseable_fixits): Remove case fixit_hint::REMOVE. libcpp/ChangeLog: * include/line-map.h (fixit_hint::kind): Delete REPLACE. (class fixit_remove): Delete. * line-map.c (rich_location::add_fixit_remove): Reimplement by calling add_fixit_replace with an empty string. (fixit_remove::fixit_remove): Delete. (fixit_remove::affects_line_p): Delete. From-SVN: r239632
2016-08-18Allow calling diagnostic_show_locus without a diagnostic_infoDavid Malcolm1-2/+5
Much of diagnostic-show-locus.c currently expects a diagnostic_info *, but it only uses the rich_location and the diagnostic_t. Change the signature of diagnostic_show_locus from: void diagnostic_show_locus (diagnostic_context *, const diagnostic_info *); to: void diagnostic_show_locus (diagnostic_context *, rich_location *richloc, diagnostic_t diagnostic_kind); so that it can be used for things other than diagnostics. Use this flexibility to add selftests for diagnostic_show_locus. gcc/c-family/ChangeLog: * c-opts.c (c_diagnostic_finalizer): Update for change to diagnostic_show_locus. gcc/ChangeLog: * diagnostic-show-locus.c (colorizer::colorizer): Replace diagnostic param with diagnostic_kind. (class colorizer): Similarly replace field m_diagnostic with m_diagnostic_kind. (colorizer::colorizer): Replace diagnostic param with diagnostic_kind. (colorizer::begin_state): Update for above field change. (layout::layout): Replace diagnostic param with rich_location * and diagnostic_kind. (diagnostic_show_locus): Replace diagnostic param with richloc and diagnostic_kind. (class selftest::test_diagnostic_context): New class. (selftest::test_diagnostic_show_locus_unknown_location): New function. (selftest::test_one_liner_simple_caret): New function. (selftest::test_one_liner_caret_and_range): New function. (selftest::test_one_liner_multiple_carets_and_ranges): New function. (selftest::test_one_liner_fixit_remove): New function. (selftest::test_one_liner_fixit_replace): New function. (selftest::test_diagnostic_show_locus_one_liner): New function. (selftest::diagnostic_show_locus_c_tests): Call the new test functions. * diagnostic.c (diagnostic_initialize): Initialize colorize_source_p, show_ruler_p and parseable_fixits_p. (default_diagnostic_finalizer): Update for change to diagnostic_show_locus. (diagnostic_append_note): Likewise. * diagnostic.h (diagnostic_show_locus): Replace const diagnostic_info * param with location * and diagnostic_t. gcc/fortran/ChangeLog: * error.c (gfc_diagnostic_starter): Update for change to diagnostic_show_locus. gcc/testsuite/ChangeLog: * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (custom_diagnostic_finalizer): Update for change to diagnostic_show_locus. From-SVN: r239586
2016-06-22C FE: suggest corrections for misspelled identifiers and type namesDavid Malcolm1-0/+12
gcc/c-family/ChangeLog: PR c/70339 * c-common.h (enum lookup_name_fuzzy_kind): New enum. (lookup_name_fuzzy): New prototype. gcc/c/ChangeLog: PR c/70339 * c-decl.c: Include spellcheck-tree.h and gcc-rich-location.h. (implicit_decl_warning): When issuing warnings for implicit declarations, attempt to provide a suggestion via lookup_name_fuzzy. (undeclared_variable): Likewise when issuing errors. (lookup_name_in_scope): Likewise. (struct edit_distance_traits<cpp_hashnode *>): New struct. (best_macro_match): New typedef. (find_closest_macro_cpp_cb): New function. (lookup_name_fuzzy): New function. * c-parser.c: Include gcc-rich-location.h. (c_token_starts_typename): Split out case CPP_KEYWORD into... (c_keyword_starts_typename): ...this new function. (c_parser_declaration_or_fndef): When issuing errors about missing "struct" etc, add a fixit. For other kinds of errors, attempt to provide a suggestion via lookup_name_fuzzy. (c_parser_parms_declarator): When looking ahead to detect typos in type names, also reject CPP_KEYWORD. (c_parser_parameter_declaration): When issuing errors about unknown type names, attempt to provide a suggestion via lookup_name_fuzzy. * c-tree.h (c_keyword_starts_typename): New prototype. gcc/ChangeLog: PR c/70339 * diagnostic-core.h (pedwarn_at_rich_loc): New prototype. * diagnostic.c (pedwarn_at_rich_loc): New function. * spellcheck.h (best_match::best_match): Add a "best_distance_so_far" optional parameter. (best_match::set_best_so_far): New method. (best_match::get_best_distance): New accessor. (best_match::get_best_candidate_length): New accessor. gcc/testsuite/ChangeLog: PR c/70339 * c-c++-common/attributes-1.c: Update dg-prune-output to include hint. * gcc.dg/diagnostic-token-ranges.c (undeclared_identifier): Update expected results due to builtin "nanl" now being suggested for "name". * gcc.dg/pr67580.c: Update expected messages. * gcc.dg/spellcheck-identifiers.c: New testcase. * gcc.dg/spellcheck-typenames.c: New testcase. From-SVN: r237714
2016-06-22Implement -fdiagnostics-parseable-fixitsDavid Malcolm1-0/+258
gcc/ChangeLog: * common.opt (fdiagnostics-parseable-fixits): New option. * diagnostic.c: Include "selftest.h". (print_escaped_string): New function. (print_parseable_fixits): New function. (diagnostic_report_diagnostic): Call print_parseable_fixits. (selftest::assert_print_escaped_string): New function. (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro. (selftest::test_print_escaped_string): New function. (selftest::test_print_parseable_fixits_none): New function. (selftest::test_print_parseable_fixits_insert): New function. (selftest::test_print_parseable_fixits_remove): New function. (selftest::test_print_parseable_fixits_replace): New function. (selftest::diagnostic_c_tests): New function. * diagnostic.h (struct diagnostic_context): Add field "parseable_fixits_p". * doc/invoke.texi (Diagnostic Message Formatting Options): Add -fdiagnostics-parseable-fixits. (-fdiagnostics-parseable-fixits): New option. * opts.c (common_handle_option): Handle -fdiagnostics-parseable-fixits. * selftest-run-tests.c (selftest::run_tests): Call selftest::diagnostic_c_tests. * selftest.h (selftest::diagnostic_c_tests): New prototype. gcc/testsuite/ChangeLog: * gcc.dg/plugin/diagnostic-test-show-locus-parseable-fixits.c: New file. * gcc.dg/plugin/plugin.exp (plugin_test_list): Add diagnostic-test-show-locus-parseable-fixits.c to sources for diagnostic_plugin_test_show_locus.c. * lib/gcc-defs.exp (freeform_regexps): New global. (dg-regexp): New function. (handle-dg-regexps): New function. * lib/gcc-dg.exp (cleanup-after-saved-dg-test): Reset freeform_regexps to the empty list. * lib/prune.exp (prune_gcc_output): Call handle-dg-regexps. libcpp/ChangeLog: * include/line-map.h (fixit_hint::get_start_loc): New pure virtual function. (fixit_hint::maybe_get_end_loc): Likewise. (fixit_insert::get_start_loc): New function, implementing fixit_hint::get_start_loc. (fixit_insert::maybe_get_end_loc): New function, implementing fixit_hint::maybe_get_end_loc. (fixit_remove::get_start_loc): New function, implementing fixit_hint::get_start_loc. (fixit_remove::maybe_get_end_loc): New function, implementing fixit_hint::maybe_get_end_loc. (fixit_replace::get_start_loc): New function, implementing fixit_hint::get_start_loc. (fixit_replace::maybe_get_end_loc): New function, implementing fixit_hint::maybe_get_end_loc. From-SVN: r237712
2016-06-07diagnostic.c (diagnostic_impl, [...]): New.Paolo Carlini1-127/+81
2016-06-07 Paolo Carlini <paolo.carlini@oracle.com> * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New. (inform, inform_at_rich_loc, inform_n, warning, warning_at, warning_at_rich_loc, warning_n, pedwarn, permerror, permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc, sorry, fatal_error, internal_error, internal_error_no_backtrace): Use the above. From-SVN: r237168
2016-04-22[PATCH 1/2] (header usage fix) remove unused system header includesSzabolcs Nagy1-2/+0
2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com> * auto-profile.c: Remove <string.h> include. * ipa-icf-gimple.c: Remove <list> include. * diagnostic.c: Remove <new> include. * genmatch.c: Likewise. * pretty-print.c: Likewise. * toplev.c: Likewise * c/c-objc-common.c: Likewise. * cp/error.c: Likewise. * fortran/error.c: Likewise. From-SVN: r235361
2016-03-09PR c++/70105: Defer location expansion until diagnostic_show_locusDavid Malcolm1-14/+0
gcc/ChangeLog: PR c/68473 PR c++/70105 * diagnostic-show-locus.c (layout_range::layout_range): Replace location_range param with three const expanded_locations * and a bool. (layout::layout): Replace call to rich_location::lazily_expand_location with get_expanded_location. Extract the range and perform location expansion here, passing the results to the layout_range ctor. * diagnostic.c (source_range::debug): Delete. * diagnostic.h (diagnostic_expand_location): Reimplement in terms of rich_location::get_expanded_location. * gcc-rich-location.c (get_range_for_expr): Delete. (gcc_rich_location::add_expr): Reimplement to avoid the rich_location::add_range overload that took a location_range, passing a location_t instead. gcc/testsuite/ChangeLog: PR c/68473 PR c++/70105 * gcc.dg/plugin/diagnostic_plugin_show_trees.c (show_tree): Drop range information from call to inform_at_rich_loc. * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (add_range): New. (test_show_locus): Replace calls to rich_location::add_range with calls to add_range. Rewrite the tests that used the now-defunct rich_location ctor taking a source_range. Simplify other tests by replacing calls to COMBINE_LOCATION_DATA with calls to make_location. libcpp/ChangeLog: PR c/68473 PR c++/70105 * include/line-map.h (source_range::debug): Delete. (struct location_range): Update comment. Replace expanded_location fields "m_start", "m_finish", and "m_caret" with a source_location field: "m_loc". (class rich_location): Reword comment. (rich_location::get_loc): Reimplement in terms of a new overloaded variant which takes an unsigned int. (rich_location::get_loc_addr): Delete. (rich_location::add_range): Drop params "start" and "finish" in favor of param "loc". Drop overloaded variants taking a source_range or location_range *. (rich_location::lazily_expand_location): Delete in favor of... (rich_location::get_expanded_location): New decl. (rich_location::m_loc): Delete field. (rich_location::m_column_override): New field. * line-map.c (rich_location::rich_location): Drop name of line_maps * param. Update initializations for deletion of field "m_loc" and addition of field "m_column_override". Reimplement body as a call to add_range. Delete overloaded variant taking a source_range. (rich_location::get_loc): New function. (rich_location::lazily_expand_location): Delete in favor of... (rich_location::get_expanded_location): New function. (rich_location::override_column): Reimplement. (rich_location::add_range): Drop params "start" and "finish" in favor of param "loc". Eliminate location expansion in favor of simply storing loc. Drop overloaded variants taking a source_range or location_range *. (rich_location::set_range): Eliminate location expansion. From-SVN: r234087
2016-02-12PR other/69554: avoid excessive source printing for widely-separated locationsDavid Malcolm1-17/+45
gcc/ChangeLog: PR other/69554 * diagnostic-show-locus.c (struct line_span): New struct. (layout::get_first_line): Delete. (layout::get_last_line): Delete. (layout::get_num_line_spans): New member function. (layout::get_line_span): Likewise. (layout::print_heading_for_line_span_index_p): Likewise. (layout::get_expanded_location): Likewise. (layout::calculate_line_spans): Likewise. (layout::m_first_line): Delete. (layout::m_last_line): Delete. (layout::m_line_spans): New field. (layout::layout): Update comment. Replace m_first_line and m_last_line with m_line_spans, replacing their initialization with a call to calculate_line_spans. (diagnostic_show_locus): When printing source lines and annotations, rather than looping over a single span of lines, instead loop over each line_span within the layout, with an inner loop over the lines within them. Call the context's start_span callback when changing line spans. * diagnostic.c (diagnostic_initialize): Initialize start_span. (diagnostic_build_prefix): Break out the building of the location part of the string into... (diagnostic_get_location_text): ...this new function, rewriting it from nested ternary expressions to a sequence of "if" statements. (default_diagnostic_start_span_fn): New function. * diagnostic.h (diagnostic_start_span_fn): New typedef. (diagnostic_context::start_span): New field. (default_diagnostic_start_span_fn): New prototype. gcc/fortran/ChangeLog: PR other/69554 * error.c (gfc_diagnostic_start_span): New function. (gfc_diagnostics_init): Initialize global_dc's start_span. gcc/testsuite/ChangeLog: PR other/69554 * gcc.dg/pr69554-1.c: New test. * gfortran.dg/pr69554-1.F90: New test. * gfortran.dg/pr69554-2.F90: New test. * lib/gcc-dg.exp (proc dg-locus): New function. * lib/gfortran-dg.exp (proc gfortran-dg-test): Update comment to distinguish between the caret-printing and non-caret-printing cases. If caret-printing has been explicitly enabled, bail out without attempting to fix up the output. From-SVN: r233386
2016-01-26PR other/69006: fix extra newlines after diagnosticsDavid Malcolm1-32/+1
gcc/c-family/ChangeLog: PR other/69006 * c-opts.c (c_diagnostic_finalizer): Replace invocation of pp_newline_and_flush with pp_flush. gcc/cp/ChangeLog: PR other/69006 * error.c (print_instantiation_partial_context_line): Add missing newlines from output for the t == NULL case. (print_instantiation_partial_context): Remove call to pp_newline. gcc/ChangeLog: PR other/69006 * diagnostic-show-locus.c (layout::print_source_line): Replace call to pp_newline with call to layout::print_newline. (layout::print_annotation_line): Likewise. (layout::move_to_column): Likewise. (layout::print_any_fixits): After printing any fixits, print a trailing newline, if necessary. (layout::print_newline): New method, resetting any colorization before a newline. (diagnostic_show_locus): Move the pp_newline to before the early bailout. Remove dummy block enclosing the layout instance. * diagnostic.c (default_diagnostic_finalizer): Replace invocation of pp_newline_and_flush with pp_flush. (diagnostic_append_note): Delete use of pp_newline. (diagnostic_append_note_at_rich_loc): Delete. * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete. * pretty-print.h (output_buffer_append_r): Reset buff->line_length when newline characters are added to the buffer. gcc/fortran/ChangeLog: PR other/69006 * error.c (gfc_diagnostic_starter): Delete use of pp_newline. gcc/testsuite/ChangeLog: PR other/69006 * g++.dg/ext/timevar1.C: Add dg-allow-blank-lines-in-output directive. * gcc.dg/plugin/diagnostic-test-show-locus-color.c: Update expected multiline output to reflect the colorization being disabled before newlines. * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (custom_diagnostic_finalizer): Replace call to pp_newline_and_flush with call to pp_flush. * gcc.dg/unroll-2.c: Add dg-allow-blank-lines-in-output directive. * gfortran.dg/implicit_class_1.f90: Likewise. * lib/gcc-dg.exp (allow_blank_lines): New global. (dg-allow-blank-lines-in-output): New procedure. (gcc-dg-prune): Complain about blank lines in the output, unless dg-allow-blank-lines-in-output was called. * lib/multiline.exp (_build_multiline_regex): Only support arbitrary followup text for non-blank-lines, not for blank lines. From-SVN: r232837
2016-01-04Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r232055
2015-11-13Source range tracking in libcpp and C FE, with bit-packing optimizationDavid Malcolm1-17/+17
This patch combines: [PATCH 05/10] Add ranges to libcpp tokens (via ad-hoc data, unoptimized) [PATCH 06/10] Track expression ranges in C frontend [PATCH 07/10] Add plugin to recursively dump the source-ranges in a tree (v2) [PATCH 08/10] Wire things up so that libcpp users get token underlines [PATCH 09/10] Delay some resolution of ad-hoc locations, preserving ranges [PATCH 10/10] Compress short ranges into source_location [PATCH] libcpp: add examples to source_location description along with fixes for the nits identified during review. gcc/ChangeLog: * Makefile.in (OBJS): Add gcc-rich-location.o. * diagnostic.c (diagnostic_append_note): Pass line_table to rich_location ctor. (emit_diagnostic): Likewise. (inform): Likewise. (inform_n): Likewise. (warning): Likewise. (warning_at): Likewise. (warning_n): Likewise. (pedwarn): Likewise. (permerror): Likewise. (error): Likewise. (error_n): Likewise. (error_at): Likewise. (sorry): Likewise. (fatal_error): Likewise. (internal_error): Likewise. (internal_error_no_backtrace): Likewise. (source_range::debug): Likewise. * gcc-rich-location.c: New file. * gcc-rich-location.h: New file. * genmatch.c (fatal_at): Pass line_table to rich_location ctor. (warning_at): Likewise. * gimple.h (gimple_set_block): Use set_block function. * input.c (dump_line_table_statistics): Dump stats on how many ranges were optimized vs how many needed ad-hoc table. (write_digit_row): Add "map" param; use its range_bits to calculate the per-character offset. (dump_location_info): Print the range and column bits for each ordinary map. Use the range bits to calculate the per-character offset. Pass the map as a new param to the various calls to write_digit_row. Eliminate uses of ORDINARY_MAP_NUMBER_OF_COLUMN_BITS. * print-tree.c (print_node): Print any source range information. * rtl-error.c (diagnostic_for_asm): Likewise. * toplev.c (general_init): Initialize line_table's default_range_bits. * tree-cfg.c (move_block_to_fn): Likewise. (move_block_to_fn): Likewise. * tree-inline.c (copy_phis_for_bb): Likewise. * tree.c (tree_set_block): Likewise. (get_pure_location): New function. (set_source_range): New functions. (set_block): New function. (set_source_range): New functions. * tree.h (CAN_HAVE_RANGE_P): New. (EXPR_LOCATION_RANGE): New. (EXPR_HAS_RANGE): New. (get_expr_source_range): New inline function. (DECL_LOCATION_RANGE): New. (set_source_range): New decls. (get_decl_source_range): New inline function. gcc/ada/ChangeLog: * gcc-interface/trans.c (Sloc_to_locus): Add line_table param when calling linemap_position_for_line_and_column. gcc/c-family/ChangeLog: * c-common.c (c_fully_fold_internal): Capture existing souce_range, and store it on the result. * c-opts.c (c_common_init_options): Set global_dc->colorize_source_p. gcc/c/ChangeLog: * c-decl.c (warn_defaults_to): Pass line_table to rich_location ctor. * c-errors.c (pedwarn_c99): Likewise. (pedwarn_c90): Likewise. * c-parser.c (set_c_expr_source_range): New functions. (c_token::get_range): New method. (c_token::get_finish): New method. (c_parser_expr_no_commas): Call set_c_expr_source_range on the ret based on the range from the start of the LHS to the end of the RHS. (c_parser_conditional_expression): Likewise, based on the range from the start of the cond.value to the end of exp2.value. (c_parser_binary_expression): Call set_c_expr_source_range on the stack values for TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR. (c_parser_cast_expression): Call set_c_expr_source_range on ret based on the cast_loc through to the end of the expr. (c_parser_unary_expression): Likewise, based on the op_loc through to the end of op. (c_parser_sizeof_expression) Likewise, based on the start of the sizeof token through to either the closing paren or the end of expr. (c_parser_postfix_expression): Likewise, using the token range, or from the open paren through to the close paren for parenthesized expressions. (c_parser_postfix_expression_after_primary): Likewise, for various kinds of expression. * c-tree.h (struct c_expr): Add field "src_range". (c_expr::get_start): New method. (c_expr::get_finish): New method. (set_c_expr_source_range): New decls. * c-typeck.c (parser_build_unary_op): Call set_c_expr_source_range on ret for prefix unary ops. (parser_build_binary_op): Likewise, running from the start of arg1.value through to the end of arg2.value. gcc/cp/ChangeLog: * error.c (pedwarn_cxx98): Pass line_table to rich_location ctor. gcc/fortran/ChangeLog: * error.c (gfc_warning): Pass line_table to rich_location ctor. (gfc_warning_now_at): Likewise. (gfc_warning_now): Likewise. (gfc_error_now): Likewise. (gfc_fatal_error): Likewise. (gfc_error): Likewise. (gfc_internal_error): Likewise. gcc/testsuite/ChangeLog: * gcc.dg/diagnostic-token-ranges.c: New file. * gcc.dg/diagnostic-tree-expr-ranges-2.c: New file. * gcc.dg/plugin/diagnostic-test-expressions-1.c: New file. * gcc.dg/plugin/diagnostic-test-show-trees-1.c: New file. * gcc.dg/plugin/diagnostic_plugin_show_trees.c: New file. * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c (get_loc): Add line_table param when calling linemap_position_for_line_and_column. (test_show_locus): Pass line_table to rich_location ctors. (plugin_init): Remove setting of global_dc->colorize_source_p. * gcc.dg/plugin/diagnostic_plugin_test_tree_expression_range.c: New file. * gcc.dg/plugin/plugin.exp (plugin_test_list): Add diagnostic_plugin_test_tree_expression_range.c, diagnostic-test-expressions-1.c, diagnostic_plugin_show_trees.c, and diagnostic-test-show-trees-1.c. libcpp/ChangeLog: * errors.c (cpp_diagnostic): Pass pfile->line_table to rich_location ctor. (cpp_diagnostic_with_line): Likewise. * include/cpplib.h (struct cpp_token): Update comment for src_loc to indicate that the range of the token is "baked into" the source_location. * include/line-map.h (source_location): Update the descriptive comment to reflect the packing scheme for short ranges, adding worked examples of location encoding. (struct line_map_ordinary): Drop field "column_bits" in favor of field "m_column_and_range_bits"; add field "m_range_bits". (ORDINARY_MAP_NUMBER_OF_COLUMN_BITS): Delete. (location_adhoc_data): Add source_range field. (struct line_maps): Add fields "default_range_bits", "num_optimized_ranges" and "num_unoptimized_ranges". (get_combined_adhoc_loc): Add source_range param. (get_range_from_loc): New declaration. (pure_location_p): New prototype. (COMBINE_LOCATION_DATA): Add source_range param. (SOURCE_LINE): Update for renaming of column_bits. (SOURCE_COLUMN): Likewise. Shift the column right by the map's range_bits. (LAST_SOURCE_LINE_LOCATION): Update for renaming of column_bits. (linemap_position_for_line_and_column): Add line_maps * params. (rich_location::rich_location): Likewise. * lex.c (_cpp_lex_direct): Capture the range of the token, baking it into token->src_loc via a call to COMBINE_LOCATION_DATA. * line-map.c (LINE_MAP_MAX_COLUMN_NUMBER): Reduce from 1U << 17 to 1U << 12. (location_adhoc_data_hash): Add the src_range into the hash value. (location_adhoc_data_eq): Require equality of the src_range values. (can_be_stored_compactly_p): New function. (get_combined_adhoc_loc): Add src_range param, and store it, via a bit-packing scheme for short ranges, otherwise within the lookaside table. Remove the requirement that data is non-NULL. (get_range_from_adhoc_loc): New function. (get_range_from_loc): New function. (pure_location_p): New function. (linemap_add): Ensure that start_location has zero for the range_bits, unless we're past LINE_MAP_MAX_LOCATION_WITH_COLS. Initialize range_bits to zero. Assert that the start_location is "pure". (linemap_line_start): Assert that the column_and_range_bits >= range_bits. Update determinination of whether we need to start a new map using the effective column bits, without the range bits. Use the set's default_range_bits in new maps, apart from those with column_bits == 0, which should also have 0 range_bits. Increase the column bits for new maps by the range bits. When adding lines to an existing map, use set->highest_line directly rather than offsetting highest by SOURCE_COLUMN. Add assertions to sanity-check the return value. (linemap_position_for_column): Offset to_column by range_bits. Update set->highest_location if necessary. (linemap_position_for_line_and_column): Add line_maps * param. Update the calculation to offset the column by range_bits, and conditionalize it on being <= LINE_MAP_MAX_LOCATION_WITH_COLS. Bound it by LINEMAPS_MACRO_LOWEST_LOCATION. Update set->highest_location if necessary. (linemap_position_for_loc_and_offset): Handle ad-hoc locations; pass "set" to linemap_position_for_line_and_column. (linemap_macro_map_loc_unwind_toward_spelling): Add line_maps param. Handle ad-hoc locations. (linemap_location_in_system_header_p): Pass on "set" to call to linemap_macro_map_loc_unwind_toward_spelling. (linemap_macro_loc_to_spelling_point): Retain ad-hoc locations. Pass on "set" to call to linemap_macro_map_loc_unwind_toward_spelling. (linemap_resolve_location): Retain ad-hoc locations. Pass on "set" to call to linemap_macro_map_loc_unwind_toward_spelling. (linemap_unwind_toward_expansion): Pass on "set" to call to linemap_macro_map_loc_unwind_toward_spelling. (linemap_expand_location): Extract the data pointer before extracting the location. (rich_location::rich_location): Add line_maps param; use it to extract the range from the source_location. * location-example.txt: Regenerate, showing new representation. From-SVN: r230331
2015-11-06Reimplement diagnostic_show_locus, introducing rich_location classesDavid Malcolm1-32/+170
gcc/ChangeLog: * diagnostic-color.c (color_dict): Eliminate "caret"; add "range1" and "range2". (parse_gcc_colors): Update comment to describe default GCC_COLORS. * diagnostic-core.h (warning_at_rich_loc): New declaration. (error_at_rich_loc): New declaration. (permerror_at_rich_loc): New declaration. (inform_at_rich_loc): New declaration. * diagnostic-show-locus.c (adjust_line): Delete. (struct point_state): New struct. (class colorizer): New class. (class layout_point): New class. (class layout_range): New class. (struct line_bounds): New. (class layout): New class. (colorizer::colorizer): New ctor. (colorizer::~colorizer): New dtor. (layout::layout): New ctor. (layout::print_source_line): New method. (layout::print_annotation_line): New method. (layout::get_state_at_point): New method. (layout::get_x_bound_for_row): New method. (diagnostic_show_locus): Reimplement in terms of class layout. (diagnostic_print_caret_line): Delete. * diagnostic.c (diagnostic_initialize): Replace MAX_LOCATIONS_PER_MESSAGE with rich_location::MAX_RANGES. (diagnostic_set_info_translated): Convert param from location_t to rich_location *. Eliminate calls to set_location on the message in favor of storing the rich_location ptr there. (diagnostic_set_info): Convert param from location_t to rich_location *. (diagnostic_build_prefix): Break out array into... (diagnostic_kind_color): New variable. (diagnostic_get_color_for_kind): New function. (diagnostic_report_diagnostic): Colorize the option_text using the color for the severity. (diagnostic_append_note): Update for change in signature of diagnostic_set_info. (diagnostic_append_note_at_rich_loc): New function. (emit_diagnostic): Update for change in signature of diagnostic_set_info. (inform): Likewise. (inform_at_rich_loc): New function. (inform_n): Update for change in signature of diagnostic_set_info. (warning): Likewise. (warning_at): Likewise. (warning_at_rich_loc): New function. (warning_n): Update for change in signature of diagnostic_set_info. (pedwarn): Likewise. (permerror): Likewise. (permerror_at_rich_loc): New function. (error): Update for change in signature of diagnostic_set_info. (error_n): Likewise. (error_at): Likewise. (error_at_rich_loc): New function. (sorry): Update for change in signature of diagnostic_set_info. (fatal_error): Likewise. (internal_error): Likewise. (internal_error_no_backtrace): Likewise. (source_range::debug): New function. * diagnostic.h (struct diagnostic_info): Eliminate field "override_column". Add field "richloc". (struct diagnostic_context): Add field "colorize_source_p". (diagnostic_override_column): Delete. (diagnostic_set_info): Convert param from location_t to rich_location *. (diagnostic_set_info_translated): Likewise. (diagnostic_append_note_at_rich_loc): New function. (diagnostic_num_locations): New function. (diagnostic_expand_location): Get the location from the rich_location. (diagnostic_print_caret_line): Delete. (diagnostic_get_color_for_kind): New declaration. * genmatch.c (linemap_client_expand_location_to_spelling_point): New. (error_cb): Update for change in signature of "error" callback. (fatal_at): Likewise. (warning_at): Likewise. * input.c (linemap_client_expand_location_to_spelling_point): New. * pretty-print.c (text_info::set_range): New method. (text_info::get_location): New method. * pretty-print.h (MAX_LOCATIONS_PER_MESSAGE): Eliminate this macro. (struct text_info): Eliminate "locations" array in favor of "m_richloc", a rich_location *. (textinfo::set_location): Add a "caret_p" param, and reimplement in terms of a call to set_range. (textinfo::get_location): Eliminate inline implementation in favor of an out-of-line reimplementation. (textinfo::set_range): New method. * rtl-error.c (diagnostic_for_asm): Update for change in signature of diagnostic_set_info. * tree-diagnostic.c (default_tree_printer): Update for new "caret_p" param for textinfo::set_location. * tree-pretty-print.c (percent_K_format): Likewise. gcc/c-family/ChangeLog: * c-common.c (c_cpp_error): Convert parameter from location_t to rich_location *. Eliminate the "column_override" parameter and the call to diagnostic_override_column. Update the "done_lexing" clause to set range 0 on the rich_location, rather than overwriting a location_t. * c-common.h (c_cpp_error): Convert parameter from location_t to rich_location *. Eliminate the "column_override" parameter. gcc/c/ChangeLog: * c-decl.c (warn_defaults_to): Update for change in signature of diagnostic_set_info. * c-errors.c (pedwarn_c99): Likewise. (pedwarn_c90): Likewise. * c-objc-common.c (c_tree_printer): Update for new "caret_p" param for textinfo::set_location. gcc/cp/ChangeLog: * error.c (cp_printer): Update for new "caret_p" param for textinfo::set_location. (pedwarn_cxx98): Update for change in signature of diagnostic_set_info. gcc/fortran/ChangeLog: * cpp.c (cb_cpp_error): Convert parameter from location_t to rich_location *. Eliminate the "column_override" parameter. * error.c (gfc_warning): Update for change in signature of diagnostic_set_info. (gfc_format_decoder): Update handling of %C/%L for changes to struct text_info. (gfc_diagnostic_starter): Use richloc when determining whether to print one locus or two. When handling a location that will involve a call to diagnostic_show_locus, only attempt to print the locus for the primary location, and don't call into diagnostic_print_caret_line. (gfc_warning_now_at): Update for change in signature of diagnostic_set_info. (gfc_warning_now): Likewise. (gfc_error_now): Likewise. (gfc_fatal_error): Likewise. (gfc_error): Likewise. (gfc_internal_error): Likewise. gcc/testsuite/ChangeLog: * gcc.dg/plugin/diagnostic-test-show-locus-bw.c: New file. * gcc.dg/plugin/diagnostic-test-show-locus-color.c: New file. * gcc.dg/plugin/diagnostic_plugin_test_show_locus.c: New file. * gcc.dg/plugin/plugin.exp (plugin_test_list): Add the above. * lib/gcc-dg.exp: Load multiline.exp. libcpp/ChangeLog: * errors.c (cpp_diagnostic): Update for change in signature of "error" callback. (cpp_diagnostic_with_line): Likewise, calling override_column on the rich_location. * include/cpplib.h (struct cpp_callbacks): Within "error" callback, convert param from source_location to rich_location *, and drop column_override param. * include/line-map.h (struct source_range): New struct. (struct location_range): New struct. (class rich_location): New class. (linemap_client_expand_location_to_spelling_point): New declaration. * line-map.c (rich_location::rich_location): New ctors. (rich_location::lazily_expand_location): New method. (rich_location::override_column): New method. (rich_location::add_range): New methods. (rich_location::set_range): New method. From-SVN: r229884
2015-10-27[PATCH 7/9] ENABLE_CHECKING refactoring: middle-end, LTO FEMikhail Maltsev1-4/+3
[PATCH 7/9] ENABLE_CHECKING refactoring: middle-end, LTO FE gcc/lto/ChangeLog: 2015-10-27 Mikhail Maltsev <maltsevm@gmail.com> * lto.c (unify_scc): Use flag_checking and remove ENABLE_CHECKING conditionals. (lto_fixup_state): Likewise. (do_whole_program_analysis): Use symtab_node::checking_verify_symtab_nodes and remove ENABLE_CHECKING conditionals. gcc/ChangeLog: 2015-10-27 Mikhail Maltsev <maltsevm@gmail.com> * attribs.c (check_attribute_tables): New function, broken out from... (init_attributes): Use it. * cfgcleanup.c (try_optimize_cfg): Use flag_checking, CHECKING_P gcc_checking_assert and checking_* functions to eliminate ENABLE_CHECKING conditionals. * cfgexpand.c (expand_goto, expand_debug_expr): Likewise. (pass_expand::execute): Likewise. * cgraphclones.c (symbol_table::materialize_all_clones): Likewise. * cgraphunit.c (mark_functions_to_output): Likewise. (cgraph_node::expand_thunk): Likewise. (symbol_table::compile): Likewise. * ddg.c (add_cross_iteration_register_deps): Likewise. (create_ddg_all_sccs): Likewise. * df-core.c (df_finish_pass, df_analyze): Likewise. * diagnostic-core.h: Likewise. * diagnostic.c (diagnostic_report_diagnostic): Likewise. * dominance.c (calculate_dominance_info): Likewise. * dwarf2out.c (add_AT_die_ref): Likewise. (const_ok_for_output_1, mem_loc_descriptor): Likewise. (loc_list_from_tree, gen_lexical_block_die): Likewise. gen_type_die_with_usage, gen_type_die): Likewise. (dwarf2out_decl): Likewise. * emit-rtl.c (verify_rtx_sharing, reorder_insns_nobb): Likewise. * except.c (duplicate_eh_regions): Likewise. * fwprop.c (register_active_defs, update_df_init): Likewise. (fwprop_init, fwprop_done): Likewise. (update_uses): Likewise. * ggc-page.c (ggc_grow): Likewise. * gimplify.c (gimplify_body): Likewise. (gimplify_hasher::equal): Likewise. * graphite-isl-ast-to-gimple.c (graphite_verify): Likewise. * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Likewise. * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Likewise. (rewrite_cross_bb_scalar_deps_out_of_ssa): Likwise. * hash-table.h (::find_empty_slot_for_expand): Likewise. * ifcvt.c (if_convert): Likewise. * ipa-cp.c (ipcp_propagate_stage): Likewise. * ipa-devirt.c (type_in_anonymous_namespace_p): Likewise. (odr_type_p, odr_types_equivalent_p): Likewise. (add_type_duplicate, get_odr_type): Likewise. * ipa-icf.c (sem_item_optimizer::execute): Likewise. (sem_item_optimizer::subdivide_classes_by_equality): Likewise. (sem_item_optimizer::verify_classes): Likewise. (sem_item_optimizer::traverse_congruence_split): Likewise. (sem_item_optimizer::checking_verify_classes): New. * ipa-icf.h (sem_item_optimizer::checking_verify_classes): Add new method. * cfgrtl.c (commit_edge_insertions): Likewise. (fixup_reorder_chain, cfg_layout_finalize): Likewise. (rtl_flow_call_edges_add): Likewise. * cgraph.c (symbol_table::create_edge): Likewise. (cgraph_edge::redirect_call_stmt_to_callee): Likewise. * cgraph.h (symtab_node): Likewise. (symtab_node::checking_verify_symtab_nodes): Define. (cgraph_node::checking_verify_cgraph_nodes): Define. * cfghooks.h (checking_verify_flow_info): Define. * cfgloop.h (checking_verify_loop_structure): Define. * dominance.h (checking_verify_dominators): Define. * et-forest.c: Fix comment. * ipa-inline-analysis.c (compute_inline_parameters): Use flag_checking, CHECKING_P gcc_checking_assert and checking_* functions to eliminate ENABLE_CHECKING conditionals. * ipa-inline-transform.c (save_inline_function_body): Likewise. * ipa-inline.c (inline_small_functions): Likewise. (early_inliner): Likewise. * ipa-inline.h (estimate_edge_growth): Likewise. * ipa-visibility.c (function_and_variable_visibility): Likewise. * ipa.c (symbol_table::remove_unreachable_nodes): Likewise. (ipa_single_use): Likewise. * ira-int.h: Likewise. * ira.c (ira): Likewise. * loop-doloop.c (doloop_optimize_loops): Likewise. * loop-init.c (loop_optimizer_init, fix_loop_structure): Likewise. * loop-invariant.c (move_loop_invariants): Likewise. * lra-assigns.c (lra_assign): Likewise. * lra-constraints.c (lra_constraints): Likewise. * lra-eliminations.c (lra_eliminate): Likewise. * lra-int.h (struct lra_reg): Likewise. * lra-lives.c (check_pseudos_live_through_calls): Likewise. (lra_create_live_ranges_1): Likewise. * lra-remat.c (create_remat_bb_data): Likewise. * lra.c (lra_update_insn_recog_data, restore_scratches): Likewise. (lra): Likewise. (check_rtl): Always define. Remove incorrect guard around extract_constrain_insn call. * lto-cgraph.c (input_cgraph_1: Use flag_checking, CHECKING_P gcc_checking_assert and checking_* functions to eliminate ENABLE_CHECKING conditionals. * lto-streamer-out.c (DFS::DFS): Likewise. (lto_output): Likewise. * lto-streamer.c (lto_streamer_init): Likewise. * omp-low.c (scan_omp_target, expand_omp_taskreg): Likewise. expand_omp_target, execute_expand_omp): Likewise. (lower_omp_target): Likewise. * passes.c (execute_function_todo): Likewise. (execute_todo, execute_one_pass): Likewise. (verify_curr_properties): Always define. * predict.c (tree_estimate_probability: Use flag_checking, CHECKING_P gcc_checking_assert and checking_* functions to eliminate ENABLE_CHECKING conditionals. (propagate_freq): Likewise. * pretty-print.c (pp_format): Likewise. * real.c (real_to_decimal_for_mode): Likewise. * recog.c (split_all_insns): Likewise. * regcprop.c (kill_value_one_regno): Likewise. (copy_value): Likewise. (validate_value_data): Define unconditionally. * reload.c: Fix comment. * timevar.c: Include options.h * tree-ssa.h (checking_verify_ssa): Define. * tree-ssa-loop-manip.h (checking_verify_loop_closed_ssa): Define. * sched-deps.c (CHECK): Remove unused macro. (add_or_update_dep_1, sd_add_dep: Use flag_checking, CHECKING_P gcc_checking_assert and checking_* functions to eliminate ENABLE_CHECKING conditionals. * sel-sched-ir.c (free_regset_pool, tidy_control_flow): Likewise. * sel-sched.c (struct moveop_static_params): Likewise. (find_best_reg_for_expr, move_cond_jump): Likewise. (move_op_orig_expr_not_found): Likewise. (code_motion_process_successors, move_op): Likewise. * ssa-iterators.h (first_readonly_imm_use): Likewise. (next_readonly_imm_use): Likewise. * store-motion.c (compute_store_table): Likewise. * symbol-summary.h (function_summary::function_summary): Likewise. * target.h (cumulative_args_t): Likewise. (get_cumulative_args, pack_cumulative_args): Likewise. * timevar.c: (timer::print): Likewise. * trans-mem.c (ipa_tm_execute): Likewise. * tree-cfg.c (move_stmt_op): Likewise. (move_sese_region_to_fn): Likewise. (gimple_flow_call_edges_add): Likewise. * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures): Likewise. * tree-eh.c (remove_unreachable_handlers): Likewise. * tree-if-conv.c (pass_if_conversion::execute): Likewise. * tree-inline.c (expand_call_inline, optimize_inline_calls): Likewise. * tree-into-ssa.c (update_ssa): Likewise. * tree-loop-distribution.c (pass_loop_distribution::execute): Likewise. * tree-outof-ssa.c (eliminate_useless_phis, rewrite_trees): Likewise. * tree-parloops.c (pass_parallelize_loops::execute): Likewise. * tree-predcom.c (suitable_component_p): Likewise. * tree-profile.c (gimple_gen_const_delta_profiler): Likewise. * tree-ssa-alias.c (refs_may_alias_p_1): Likewise. * tree-ssa-live.c (verify_live_on_entry): Likewise. * tree-ssa-live.h (register_ssa_partition): Likewise. * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Likewise. * tree-ssa-loop-manip.c (add_exit_phi): Likewise. (tree_transform_and_unroll_loop): Likewise. * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise. * tree-ssa-operands.c (get_expr_operands): Likewise. * tree-ssa-propagate.c (replace_exp_1): Likewise. * tree-ssa-structalias.c (rewrite_constraints): Likewise. * tree-ssa-ter.c (free_temp_expr_table): Likewise. * tree-ssa-threadupdate.c (duplicate_thread_path): Likewise. * tree-ssanames.c (release_ssa_name_fn): Likewise. * tree-stdarg.c (expand_ifn_va_arg): Likewise. * tree-vect-loop-manip.c (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise. (slpeel_checking_verify_cfg_after_peeling): Likewise. (vect_do_peeling_for_loop_bound): Likewise. (vect_do_peeling_for_alignment): Likewise. * tree-vrp.c (supports_overflow_infinity): Likewise. (set_value_range): Likewise. * tree.c (free_lang_data_in_cgraph): Likewise. * value-prof.c (gimple_remove_histogram_value): Likewise. (free_hist): Likewise. * var-tracking.c (canonicalize_values_star): Likewise. (compute_bb_dataflow, vt_find_locations, vt_emit_notes): Likewise. From-SVN: r229470
2015-09-18Move diagnostic_show_locus and friends out into a new source fileDavid Malcolm1-129/+0
gcc/ChangeLog: * Makefile.in (OBJS-libcommon): Add diagnostic-show-locus.o. * diagnostic.c (adjust_line): Move to diagnostic-show-locus.c. (diagnostic_show_locus): Likewise. (diagnostic_print_caret_line): Likewise. * diagnostic-show-locus.c: New file. From-SVN: r227915
2015-09-15Change of location_get_source_line signatureDavid Malcolm1-1/+2
gcc/ChangeLog: * input.h (location_get_source_line): Drop "expanded_location" param in favor of a file and line number. * input.c (location_get_source_line): Likewise. (dump_location_info): Update for change in signature of location_get_source_line. * diagnostic.c (diagnostic_print_caret_line): Likewise. gcc/c-family/ChangeLog: * c-format.c (location_from_offset): Update for change in signature of location_get_source_line. * c-indentation.c (get_visual_column): Likewise. (line_contains_hash_if): Likewise. From-SVN: r227800