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GET /api/patches/2196536/?format=api
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{
    "id": 2196536,
    "url": "http://patchwork.ozlabs.org/api/patches/2196536/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260214155201.1049644-3-dmalcolm@redhat.com/",
    "project": {
        "id": 17,
        "url": "http://patchwork.ozlabs.org/api/projects/17/?format=api",
        "name": "GNU Compiler Collection",
        "link_name": "gcc",
        "list_id": "gcc-patches.gcc.gnu.org",
        "list_email": "gcc-patches@gcc.gnu.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260214155201.1049644-3-dmalcolm@redhat.com>",
    "list_archive_url": null,
    "date": "2026-02-14T15:51:58",
    "name": "[2/5] diagnostics: split out physical_location_maker from libgdiagnostics",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "8480e8db19390e2fefdefd9bab6783f518328b20",
    "submitter": {
        "id": 24465,
        "url": "http://patchwork.ozlabs.org/api/people/24465/?format=api",
        "name": "David Malcolm",
        "email": "dmalcolm@redhat.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260214155201.1049644-3-dmalcolm@redhat.com/mbox/",
    "series": [
        {
            "id": 492183,
            "url": "http://patchwork.ozlabs.org/api/series/492183/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=492183",
            "date": "2026-02-14T15:51:56",
            "name": "Improve diagnostics for bad JSON inputs [PR124094]",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/492183/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2196536/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2196536/checks/",
    "tags": {},
    "related": [],
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        "X-Mimecast-MFC-AGG-ID": "xakbKt42PWqQ7XIoX6qMvQ_1771084337",
        "From": "David Malcolm <dmalcolm@redhat.com>",
        "To": "gcc-patches@gcc.gnu.org, Yangyu Chen <cyy@cyyself.name>,\n Soumya AR <soumyaa@nvidia.com>, jakub@redhat.com,\n Richard Biener <richard.guenther@gmail.com>",
        "Cc": "Alfie Richards <alfie.richards@arm.com>,\n Sandra Loosemore <sloosemore@baylibre.com>,\n Martin Liska <martin.liska@hey.com>,\n Evgeny Stupachenko <evstupac@gmail.com>,\n Alice Carlotti <alice.carlotti@arm.com>,\n Jeff Law <jeffrey.law@oss.qualcomm.com>,\n Jerry DeLisle <jvdelisle@gcc.gnu.org>, Harald Anlauf <anlauf@gmx.de>,\n Paul Thomas <pault@gcc.gnu.org>,\n Richard Sandiford <rdsandiford@googlemail.com>,\n Joseph Myers <josmyers@redhat.com>, Jason Merrill <jason@redhat.com>,\n David Malcolm <dmalcolm@redhat.com>",
        "Subject": "[PATCH 2/5] diagnostics: split out physical_location_maker from\n libgdiagnostics",
        "Date": "Sat, 14 Feb 2026 10:51:58 -0500",
        "Message-ID": "<20260214155201.1049644-3-dmalcolm@redhat.com>",
        "In-Reply-To": "<20260214155201.1049644-1-dmalcolm@redhat.com>",
        "References": "<tencent_048DF6A8630E2E590C79C840A31F1FA86006@qq.com>\n <20260214155201.1049644-1-dmalcolm@redhat.com>",
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    },
    "content": "Make this code usable elsewhere.\nNo functional change intended.\n\ngcc/ChangeLog:\n\t* Makefile.in (OBJS-libcommon):\n\tAdd diagnostics/physical-location-maker.o.\n\t* diagnostics/physical-location-maker.cc: New file, adapted from\n\tmaterial in libgdiagnostics.cc.\n\t* diagnostics/physical-location-maker.h: New file, adapted from\n\tmaterial in libgdiagnostics.cc.\n\t* libgdiagnostics.cc: Include\n\t\"diagnostics/physical-location-maker.h\".\n\t(diagnostic_manager::diagnostic_manager): Initialize\n\tm_phys_loc_maker.\n\t(diagnostic_manager::new_location_from_file_and_line): Split out\n\tinto physical_location_maker.\n\t(diagnostic_manager::new_location_from_file_line_column):\n\tLikewise.\n\t(diagnostic_manager::ensure_linemap_for_file_and_line): Likewise.\n\t(diagnostic_manager::m_phys_loc_maker): New field.\n\nSigned-off-by: David Malcolm <dmalcolm@redhat.com>\n---\n gcc/Makefile.in                            |  1 +\n gcc/diagnostics/physical-location-maker.cc | 75 ++++++++++++++++++++++\n gcc/diagnostics/physical-location-maker.h  | 60 +++++++++++++++++\n gcc/libgdiagnostics.cc                     | 41 ++++--------\n 4 files changed, 147 insertions(+), 30 deletions(-)\n create mode 100644 gcc/diagnostics/physical-location-maker.cc\n create mode 100644 gcc/diagnostics/physical-location-maker.h",
    "diff": "diff --git a/gcc/Makefile.in b/gcc/Makefile.in\nindex 3d3b21abe6ac0..54865765b6ef6 100644\n--- a/gcc/Makefile.in\n+++ b/gcc/Makefile.in\n@@ -1895,6 +1895,7 @@ OBJS-libcommon = \\\n \tdiagnostics/option-classifier.o \\\n \tdiagnostics/paths.o \\\n \tdiagnostics/paths-output.o \\\n+\tdiagnostics/physical-location-maker.o \\\n \tdiagnostics/source-printing.o \\\n \tdiagnostics/state-graphs-to-dot.o \\\n \tdiagnostics/selftest-context.o \\\ndiff --git a/gcc/diagnostics/physical-location-maker.cc b/gcc/diagnostics/physical-location-maker.cc\nnew file mode 100644\nindex 0000000000000..975687d739451\n--- /dev/null\n+++ b/gcc/diagnostics/physical-location-maker.cc\n@@ -0,0 +1,75 @@\n+/* Convenient but inefficient creation of location_t values.\n+   Copyright (C) 2023-2026 Free Software Foundation, Inc.\n+\n+This file is part of GCC.\n+\n+GCC is free software; you can redistribute it and/or modify it under\n+the terms of the GNU General Public License as published by the Free\n+Software Foundation; either version 3, or (at your option) any later\n+version.\n+\n+GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n+WARRANTY; without even the implied warranty of MERCHANTABILITY or\n+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License\n+for more details.\n+\n+You should have received a copy of the GNU General Public License\n+along with GCC; see the file COPYING3.  If not see\n+<http://www.gnu.org/licenses/>.  */\n+\n+#include \"config.h\"\n+#include \"system.h\"\n+#include \"coretypes.h\"\n+#include \"cpplib.h\"\n+#include \"diagnostics/physical-location-maker.h\"\n+#include \"diagnostics/dumping.h\"\n+\n+namespace diagnostics {\n+\n+// class physical_location_maker\n+\n+location_t\n+physical_location_maker::\n+new_location_from_file_and_line (const char *filename,\n+\t\t\t\t int line_num)\n+{\n+  ensure_linemap_for_file_and_line (filename, line_num);\n+  return linemap_position_for_column (m_line_table, 0);\n+}\n+\n+location_t\n+physical_location_maker::\n+new_location_from_file_line_column (const char *filename,\n+\t\t\t\t    int line_num,\n+\t\t\t\t    int column_num)\n+{\n+  ensure_linemap_for_file_and_line (filename, line_num);\n+  return linemap_position_for_column (m_line_table, column_num);\n+}\n+\n+void\n+physical_location_maker::\n+ensure_linemap_for_file_and_line (const char *filename,\n+\t\t\t\t  int line_num)\n+{\n+  /* Build a simple linemap describing some locations. */\n+  if (LINEMAPS_ORDINARY_USED (m_line_table) == 0)\n+    linemap_add (m_line_table, LC_ENTER, false, filename, 0);\n+  else\n+    {\n+      line_map_ordinary *last_map\n+\t= LINEMAPS_LAST_ORDINARY_MAP (m_line_table);\n+      if (last_map->to_file != filename\n+\t  || (long)line_num < (long)last_map->to_line)\n+\t{\n+\t  line_map *map\n+\t    = const_cast<line_map *>\n+\t    (linemap_add (m_line_table, LC_RENAME_VERBATIM, false,\n+\t\t\t  filename, 0));\n+\t  ((line_map_ordinary *)map)->included_from = UNKNOWN_LOCATION;\n+\t}\n+    }\n+  linemap_line_start (m_line_table, line_num, 100);\n+}\n+\n+} // namespace diagnostics\ndiff --git a/gcc/diagnostics/physical-location-maker.h b/gcc/diagnostics/physical-location-maker.h\nnew file mode 100644\nindex 0000000000000..f5d568c5f82cc\n--- /dev/null\n+++ b/gcc/diagnostics/physical-location-maker.h\n@@ -0,0 +1,60 @@\n+/* Convenient but inefficient creation of location_t values.\n+   Copyright (C) 2023-2026 Free Software Foundation, Inc.\n+\n+This file is part of GCC.\n+\n+GCC is free software; you can redistribute it and/or modify it under\n+the terms of the GNU General Public License as published by the Free\n+Software Foundation; either version 3, or (at your option) any later\n+version.\n+\n+GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n+WARRANTY; without even the implied warranty of MERCHANTABILITY or\n+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License\n+for more details.\n+\n+You should have received a copy of the GNU General Public License\n+along with GCC; see the file COPYING3.  If not see\n+<http://www.gnu.org/licenses/>.  */\n+\n+#ifndef GCC_DIAGNOSTICS_PHYSICAL_LOCATION_MAKER_H\n+#define GCC_DIAGNOSTICS_PHYSICAL_LOCATION_MAKER_H\n+\n+namespace diagnostics {\n+\n+/* A class for generating location_t values for arbitrary\n+   filename/line/column values.\n+   This is less efficient than working with the line_maps\n+   directly, but is more convenient and flexible for occasional\n+   on-demand location_t values.  */\n+\n+class physical_location_maker\n+{\n+public:\n+  physical_location_maker (line_maps *line_table_)\n+  : m_line_table (line_table_)\n+  {\n+  }\n+\n+  location_t\n+  new_location_from_file_and_line (const char *filename,\n+\t\t\t\t   int line_num);\n+\n+  /* column_num is 1-based.  */\n+  location_t\n+  new_location_from_file_line_column (const char *filename,\n+\t\t\t\t      int line_num,\n+\t\t\t\t      int column_num);\n+\n+private:\n+  void\n+  ensure_linemap_for_file_and_line (const char *filename,\n+\t\t\t\t    int linenum);\n+\n+private:\n+  line_maps *m_line_table;\n+};\n+\n+} // namespace diagnostics\n+\n+#endif // #ifndef GCC_DIAGNOSTICS_PHYSICAL_LOCATION_MAKER_H\ndiff --git a/gcc/libgdiagnostics.cc b/gcc/libgdiagnostics.cc\nindex eb2d0ac4cac1a..dd5109229b3dc 100644\n--- a/gcc/libgdiagnostics.cc\n+++ b/gcc/libgdiagnostics.cc\n@@ -39,6 +39,7 @@ along with GCC; see the file COPYING3.  If not see\n #include \"diagnostics/logical-locations.h\"\n #include \"diagnostics/dumping.h\"\n #include \"diagnostics/changes.h\"\n+#include \"diagnostics/physical-location-maker.h\"\n #include \"libgdiagnostics.h\"\n #include \"libgdiagnostics-private.h\"\n #include \"pretty-print-format-impl.h\"\n@@ -648,7 +649,8 @@ struct diagnostic_manager\n {\n public:\n   diagnostic_manager ()\n-  : m_current_diag (nullptr),\n+  : m_phys_loc_maker (&m_line_table),\n+    m_current_diag (nullptr),\n     m_prev_diag_logical_loc (nullptr),\n     m_debug_physical_locations (false)\n   {\n@@ -761,8 +763,9 @@ public:\n     if (m_debug_physical_locations)\n       fprintf (stderr, \"new_location_from_file_and_line (%s, %i)\",\n \t       file->get_name (), line_num);\n-    ensure_linemap_for_file_and_line (file, line_num);\n-    location_t loc = linemap_position_for_column (&m_line_table, 0);\n+    location_t loc\n+      = m_phys_loc_maker.new_location_from_file_and_line (file->get_name (),\n+\t\t\t\t\t\t\t  line_num);\n     return new_location (loc);\n   }\n \n@@ -774,8 +777,10 @@ public:\n     if (m_debug_physical_locations)\n       fprintf (stderr, \"new_location_from_file_line_column (%s, %i, %i)\",\n \t       file->get_name (), line_num, column_num);\n-    ensure_linemap_for_file_and_line (file, line_num);\n-    location_t loc = linemap_position_for_column (&m_line_table, column_num);\n+    location_t loc\n+      = m_phys_loc_maker.new_location_from_file_line_column (file->get_name (),\n+\t\t\t\t\t\t\t     line_num,\n+\t\t\t\t\t\t\t     column_num);\n     return new_location (loc);\n   }\n \n@@ -892,31 +897,6 @@ public:\n   void\n   take_global_graph (std::unique_ptr<diagnostic_graph> graph);\n \n-private:\n-  void\n-  ensure_linemap_for_file_and_line (const diagnostic_file *file,\n-\t\t\t\t    diagnostic_line_num_t linenum)\n-  {\n-    /* Build a simple linemap describing some locations. */\n-    if (LINEMAPS_ORDINARY_USED (&m_line_table) == 0)\n-      linemap_add (&m_line_table, LC_ENTER, false, file->get_name (), 0);\n-    else\n-      {\n-\tline_map_ordinary *last_map\n-\t  = LINEMAPS_LAST_ORDINARY_MAP (&m_line_table);\n-\tif (last_map->to_file != file->get_name ()\n-\t    || linenum < last_map->to_line)\n-\t  {\n-\t    line_map *map\n-\t      = const_cast<line_map *>\n-\t      (linemap_add (&m_line_table, LC_RENAME_VERBATIM, false,\n-\t\t\t    file->get_name (), 0));\n-\t    ((line_map_ordinary *)map)->included_from = UNKNOWN_LOCATION;\n-\t  }\n-      }\n-    linemap_line_start (&m_line_table, linenum, 100);\n-  }\n-\n   const diagnostic_physical_location *\n   new_location (location_t loc)\n   {\n@@ -940,6 +920,7 @@ private:\n \n   diagnostics::context m_dc;\n   line_maps m_line_table;\n+  diagnostics::physical_location_maker m_phys_loc_maker;\n   impl_client_version_info m_client_version_info;\n   std::vector<std::unique_ptr<sink>> m_sinks;\n   hash_map<nofree_string_hash, diagnostic_file *> m_str_to_file_map;\n",
    "prefixes": [
        "2/5"
    ]
}