Add small llvm/libclang util to exctract doxygen comments
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940c165a31
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6188315791
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@ -131,4 +131,6 @@ tags
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/icons/win32/msvc_resources.rc
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/tools/osx_packaging/Ardour/*.app
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/tools/doxy2json/doxy2json
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/MSVCvst_scan/vst_scan.rc
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@ -0,0 +1,55 @@
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#!/bin/bash
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set -e
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make
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cd ../..
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test -f libs/ardour/ardour/ardour.h
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LLVMINCLUDE="-I /usr/lib/llvm-3.6/include -I /usr/lib/llvm-3.6/lib/clang/3.6.2/include/"
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TMPFILE=`mktemp`
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trap 'rm -f $TMPFILE' exit SIGINT SIGTERM
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echo "# analyzing source.. -> $TMPFILE"
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./tools/doxy2json/doxy2json \
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`pkg-config --cflags glib-2.0 glibmm-2.4 cairomm-1.0 gtkmm-2.4 | sed 's/-std=c++11 //;s/-pthread //'` \
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$LLVMINCLUDE -I /usr/include/linux \
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-I libs/ardour -I libs/pbd -I libs/lua -I gtk2_ardour -I libs/timecode \
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-I libs/ltc -I libs/evoral \
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libs/ardour/ardour/* libs/pbd/pbd/* \
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gtk2_ardour/*.h \
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/usr/include/cairomm-1.0/cairomm/context.h \
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> $TMPFILE
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ls -lh $TMPFILE
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echo "# consolidating JSON"
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php << EOF
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<?php
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\$json = file_get_contents ('$TMPFILE');
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\$api = array ();
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foreach (json_decode (\$json, true) as \$a) {
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if (!isset (\$a['decl'])) { continue; }
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if (empty (\$a['decl'])) { continue; }
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if (\$a['decl'] == '::') { continue; }
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if (substr (\$a['decl'], 0, 1) == '_') { continue; }
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if (substr (\$a['decl'], 0, 2) == '::') { continue; }
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if (substr (\$a['decl'], 0, 4) == 'sigc') { continue; }
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if (substr (\$a['decl'], 0, 5) == 'Atk::') { continue; }
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if (substr (\$a['decl'], 0, 5) == 'Gdk::') { continue; }
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if (substr (\$a['decl'], 0, 5) == 'Gtk::') { continue; }
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if (substr (\$a['decl'], 0, 5) == 'Gio::') { continue; }
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if (substr (\$a['decl'], 0, 6) == 'Glib::') { continue; }
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if (substr (\$a['decl'], 0, 7) == 'Pango::') { continue; }
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if (substr (\$a['decl'], 0, 11) == 'luabridge::') { continue; }
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\$a['decl'] = str_replace ('size_t', 'unsigned long', \$a['decl']);
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\$canon = str_replace (' *', '*', \$a['decl']);
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\$api[\$canon] = \$a;
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}
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\$jout = array ();
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foreach (\$api as \$k => \$a) {
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\$jout[] = \$a;
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}
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file_put_contents('doc/ardourapi.json', json_encode (\$jout, JSON_PRETTY_PRINT));
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EOF
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ls -l doc/ardourapi.json
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@ -0,0 +1,183 @@
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/* extract doxygen comments from C++ header files
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*
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* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <cstdio>
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#include <cstring>
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#include <sstream>
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#include <iomanip>
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#include <clang-c/Index.h>
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#include <clang-c/Documentation.h>
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static const char*
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kind_to_txt (CXCursor cursor)
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{
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CXCursorKind kind = clang_getCursorKind (cursor);
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switch (kind) {
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case CXCursor_StructDecl : return "Struct";
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case CXCursor_EnumDecl : return "Enum";
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case CXCursor_UnionDecl : return "Union";
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case CXCursor_FunctionDecl : return "C Function";
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case CXCursor_VarDecl : return "Variable";
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case CXCursor_ClassDecl : return "C++ Class";
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case CXCursor_CXXMethod : return "C++ Method";
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case CXCursor_Namespace : return "C++ Namespace";
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case CXCursor_Constructor : return "C++ Constructor";
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case CXCursor_Destructor : return "C++ Destructor";
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case CXCursor_FieldDecl : return "Data Member/Field";
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default: break;
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}
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return "";
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}
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static std::string
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escape_json (const std::string &s)
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{
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std::ostringstream o;
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for (auto c = s.cbegin (); c != s.cend (); c++) {
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switch (*c) {
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case '"': o << "\\\""; break;
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case '\\': o << "\\\\"; break;
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case '\n': o << "\\n"; break;
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case '\r': o << "\\r"; break;
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case '\t': o << "\\t"; break;
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default:
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if ('\x00' <= *c && *c <= '\x1f') {
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o << "\\u" << std::hex << std::setw (4) << std::setfill ('0') << (int)*c;
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} else {
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o << *c;
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}
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}
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}
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return o.str ();
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}
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static void recurse_parents (CXCursor cr) {
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CXCursor pc = clang_getCursorSemanticParent (cr);
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if (CXCursor_TranslationUnit == clang_getCursorKind (pc)) {
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return;
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}
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if (!clang_Cursor_isNull (pc)) {
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recurse_parents (pc);
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printf ("%s::", clang_getCString (clang_getCursorDisplayName (pc)));
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}
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}
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static enum CXChildVisitResult
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traverse (CXCursor cr, CXCursor /*parent*/, CXClientData)
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{
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CXComment c = clang_Cursor_getParsedComment (cr);
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if (clang_Comment_getKind (c) != CXComment_Null
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&& clang_isDeclaration (clang_getCursorKind (cr))
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&& 0 != strlen (kind_to_txt (cr))
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) {
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printf ("{ \"decl\" : \"");
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recurse_parents (cr);
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// TODO: resolve typedef enum { .. } name;
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// use clang_getCursorDefinition (clang_getCanonicalCursor (cr)) ??
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printf ("%s\",\n", clang_getCString (clang_getCursorDisplayName (cr)));
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if (clang_Cursor_isVariadic (cr)) {
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printf (" \"variadic\" : true,\n");
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}
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printf (" \"kind\" : \"%s\",\n", kind_to_txt (cr));
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CXSourceLocation loc = clang_getCursorLocation (cr);
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CXFile file; unsigned line, col, off;
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clang_getFileLocation (loc, &file, &line, &col, &off);
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printf (" \"src\" : \"%s:%d\",\n",
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clang_getCString (clang_getFileName (file)), line);
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printf (" \"doc\" : \"%s\"\n",
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escape_json (clang_getCString (clang_FullComment_getAsHTML (c))).c_str ());
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printf ("},\n");
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}
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return CXChildVisit_Recurse;
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}
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static void
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process_file (int argc, char **args, const char *fn)
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{
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CXIndex index = clang_createIndex (0, 0);
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CXTranslationUnit tu = clang_createTranslationUnitFromSourceFile (index, fn, argc, args, 0, 0);
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if (tu == NULL) {
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fprintf (stderr, "Cannot create translation unit for src: %s\n", fn);
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return;
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}
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clang_visitChildren (clang_getTranslationUnitCursor (tu), traverse, 0);
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clang_disposeTranslationUnit (tu);
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clang_disposeIndex (index);
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}
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static void
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usage (int status)
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{
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printf ("doxy2json - extract doxygen doc from C++ headers.\n\n");
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fprintf (stderr, "Usage: dox2json [-I path]* <filename> [filename]*\n");
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exit (status);
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}
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int main (int argc, char **argv)
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{
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int cnt = 2;
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char **args = (char**) malloc (cnt * sizeof (char*));
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args[0] = strdup ("-x");
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args[1] = strdup ("c++");
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int c;
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while (EOF != (c = getopt (argc, argv, "I:"))) {
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switch (c) {
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case 'I':
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args = (char**) realloc (args, (cnt + 2) * sizeof (char*));
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args[cnt++] = strdup ("-I");
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args[cnt++] = strdup (optarg);
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break;
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case 'h':
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usage (0);
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default:
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usage (EXIT_FAILURE);
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break;
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}
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}
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if (optind >= argc) {
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usage (EXIT_FAILURE);
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}
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printf ("[\n");
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for (int i = optind; i < argc; ++i) {
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process_file (cnt, args, argv[i]);
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}
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printf ("{} ]\n");
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for (int i = 0; i < cnt; ++i) {
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free (args[i]);
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}
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free (args);
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return 0;
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}
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