Re: doxyparse addon - simple code parse based on doxyapp

diff --git a/Makefile.in b/Makefile.in
index 618fb05..d4669ca 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -27,6 +27,7 @@ distclean: clean
 	cd addon/doxmlparser/test ; $(MAKE) distclean
 	cd addon/doxmlparser/examples/metrics ; $(MAKE) distclean
 	cd addon/doxyapp ; $(MAKE) distclean
+	cd addon/doxyparse ; $(MAKE) distclean
 	-rm -f lib/lib*
 	-rm -f bin/doxy*
 	-rm -f html
@@ -42,6 +43,8 @@ distclean: clean
 	-rm -f src/version.cpp
 	-rm -r addon/doxywizard/Makefile
 	-rm -f addon/doxywizard/doxywizard.pro
+	-rm -r addon/doxyparse/Makefile
+	-rm -f addon/doxyparse/doxyparse.pro
 	-rm -f VERSION
 	-rm -f packages/rpm/doxygen.spec
 
@@ -53,13 +56,17 @@ install: doxywizard_install
 	$(INSTTOOL) -d $(DESTDIR)/$(INSTALL)/bin
 	$(INSTTOOL) -m 755 bin/doxygen    $(DESTDIR)/$(INSTALL)/bin
 	$(INSTTOOL) -m 755 bin/doxytag    $(DESTDIR)/$(INSTALL)/bin
+	$(INSTTOOL) -m 755 bin/doxyparse    $(DESTDIR)/$(INSTALL)/bin
 	$(INSTTOOL) -d $(DESTDIR)/$(INSTALL)/$(MAN1DIR)
 	cat doc/doxygen.1    | sed -e "s/DATE/$(DATE)/g" -e "s/VERSION/$(VERSION)/g" > doxygen.1 
 	$(INSTTOOL) -m 644 doxygen.1 $(DESTDIR)/$(INSTALL)/$(MAN1DIR)/doxygen.1
 	rm doxygen.1
 	cat doc/doxytag.1    | sed -e "s/DATE/$(DATE)/g" -e "s/VERSION/$(VERSION)/g" > doxytag.1
+	cat addon/doxyparse/doxyparse.1    | sed -e "s/DATE/$(DATE)/g" -e "s/VERSION/$(VERSION)/g" > doxyparse.1
 	$(INSTTOOL) -m 644 doxytag.1 $(DESTDIR)/$(INSTALL)/$(MAN1DIR)/doxytag.1
+	$(INSTTOOL) -m 644 doxyparse.1 $(DESTDIR)/$(INSTALL)/$(MAN1DIR)/doxyparse.1
 	rm doxytag.1
+	rm doxyparse.1
 
 install_docs: 
 	$(INSTTOOL) -d $(DESTDIR)/$(DOCDIR)
diff --git a/addon/doxyparse/Makefile.in b/addon/doxyparse/Makefile.in
new file mode 100644
index 0000000..b26f11c
--- /dev/null
+++ b/addon/doxyparse/Makefile.in
@@ -0,0 +1,17 @@
+
+all clean depend distclean: Makefile.doxyparse
+	$(MAKE) -f Makefile.doxyparse $@
+
+distclean: clean
+	$(RM) -rf Makefile doxyparse.pro Makefile.doxyparse
+
+tmake:
+	$(ENV) $(PERL) $(TMAKE) doxyparse.pro >Makefile.doxyparse
+
+strip:
+	strip doxyparse
+
+Makefile.doxyparse: doxyparse.pro
+	$(ENV) $(PERL) $(TMAKE) doxyparse.pro >Makefile.doxyparse
+
+install:
diff --git a/addon/doxyparse/README b/addon/doxyparse/README
new file mode 100644
index 0000000..e91da3d
--- /dev/null
+++ b/addon/doxyparse/README
@@ -0,0 +1,6 @@
+This directory contains an "source parsing engine" based on doxyapp code.
+
+More info and source code repository: http://gitorious.org/doxygen/
+
+---
+Joenio Costa <[email protected]>
diff --git a/addon/doxyparse/doxyparse.1 b/addon/doxyparse/doxyparse.1
new file mode 100644
index 0000000..d8530ab
--- /dev/null
+++ b/addon/doxyparse/doxyparse.1
@@ -0,0 +1,10 @@
+.TH DOXYPARSE "1" "DATE" "doxyparse VERSION" "User Commands"
+.SH NAME
+doxyparse \- parse and dumps informations about the code
+.SH SYNOPSIS
+.B doxyparse
+[\fIsource file\fR...]
+.SH DESCRIPTION
+Parses source code and dumps the dependencies between the code elements.
+.SH SEE ALSO
+doxygen(1), doxytag(1), doxywizard(1).
diff --git a/addon/doxyparse/doxyparse.cpp b/addon/doxyparse/doxyparse.cpp
new file mode 100644
index 0000000..06371b3
--- /dev/null
+++ b/addon/doxyparse/doxyparse.cpp
@@ -0,0 +1,217 @@
+/******************************************************************************
+ *
+ * Copyright (C) 2009 by Joenio Costa.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation under the terms of the GNU General Public License is hereby
+ * granted. No representations are made about the suitability of this software
+ * for any purpose. It is provided "as is" without express or implied warranty.
+ * See the GNU General Public License for more details.
+ *
+ * Documents produced by Doxygen are derivative works derived from the
+ * input used in their production; they are not affected by this license.
+ *
+ */
+
+/** @file
+ *  @brief Code parse based on doxyapp by Dimitri van Heesch
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include "doxygen.h"
+#include "outputgen.h"
+#include "parserintf.h"
+
+class Doxyparse : public CodeOutputInterface
+{
+  public:
+    Doxyparse(FileDef *fd) : m_fd(fd) {}
+   ~Doxyparse() {}
+
+    // these are just null functions, they can be used to produce a syntax highlighted
+    // and cross-linked version of the source code, but who needs that anyway ;-)
+    void codify(const char *) {}
+    void writeCodeLink(const char *,const char *,const char *,const char *,const char *)  {}
+    void startCodeLine() {}
+    void endCodeLine() {}
+    void startCodeAnchor(const char *) {}
+    void endCodeAnchor() {}
+    void startFontClass(const char *) {}
+    void endFontClass() {}
+    void writeCodeAnchor(const char *) {}
+    void writeLineNumber(const char *,const char *,const char *,int) {}
+
+    void linkableSymbol(int l, const char *sym, Definition *symDef, Definition *context)
+    {
+      if (!symDef) {
+        // in this case we have a local or external symbol
+
+        // TODO record use of external symbols
+        // TODO must have a way to differentiate external symbols from local variables
+      }
+    }
+
+  private:
+    FileDef *m_fd;
+};
+
+static void findXRefSymbols(FileDef *fd)
+{
+  // get the interface to a parser that matches the file extension
+  ParserInterface *pIntf=Doxygen::parserManager->getParser(fd->getDefFileExtension());
+
+  // reset the parsers state
+  pIntf->resetCodeParserState();
+
+  // create a new backend object
+  Doxyparse *parse = new Doxyparse(fd);
+
+  // parse the source code
+  pIntf->parseCode(*parse, 0, fileToString(fd->absFilePath()), FALSE, 0, fd);
+
+  // dismiss the object.
+  delete parse;
+}
+
+static bool ignoreStaticExternalCall(MemberDef *context, MemberDef *md) {
+  if (md->isStatic()) {
+    if(md->getFileDef()) {
+      if(md->getFileDef()->getFileBase() == context->getFileDef()->getFileBase())
+        // TODO ignore prefix of file
+        return false;
+      else
+        return true;
+    }
+    else {
+      return false;
+    }
+  }
+  else {
+    return false;
+  }
+}
+
+static void printReferencesMembers(MemberDef *md) {
+  LockingPtr<MemberSDict> defDict = md->getReferencesMembers();
+  if (defDict != 0) {
+    MemberSDict::Iterator msdi(*defDict);
+    MemberDef *rmd;
+    for (msdi.toFirst(); (rmd=msdi.current()); ++msdi) {
+      if (rmd->definitionType() == Definition::TypeMember && !ignoreStaticExternalCall(md, rmd)) {
+        printf("      uses %s %s", rmd->memberTypeName().data(), rmd->name().data());
+        if (rmd->getFileDef())
+          printf(" defined in %s\n", rmd->getFileDef()->getFileBase().data());
+        else
+          printf("\n");
+      }
+    }
+  }
+}
+
+static void lookupSymbol(Definition *d) {
+  if (d->definitionType() == Definition::TypeMember) {
+    MemberDef *md = (MemberDef *)d;
+      printf("   %s %s in line %d\n", md->memberTypeName().data(), d->name().data(), d->getDefLine());
+      if (md->isFunction())
+        printReferencesMembers(md);
+  }
+}
+
+static void listSymbols() {
+  // iterate over the input files
+  FileNameListIterator fnli(*Doxygen::inputNameList);
+  FileName *fn;
+  // for each file with a certain name
+  for (fnli.toFirst(); (fn=fnli.current()); ++fnli) {
+    FileNameIterator fni(*fn);
+    FileDef *fd;
+    for (; (fd=fni.current()); ++fni) {
+      MemberList *ml = fd->getMemberList(MemberList::allMembersList);
+      if (ml && ml->count() > 0) {
+        printf("module %s\n", fd->getFileBase().data());
+        MemberListIterator mli(*ml);
+        MemberDef *md;
+        for (mli.toFirst(); (md=mli.current()); ++mli) {
+          lookupSymbol((Definition*) md);
+        }
+        printf("\n");
+      }
+    }
+  }
+  // TODO print external symbols referenced
+}
+
+int main(int argc,char **argv) {
+  if (argc < 2) {
+    printf("Usage: %s [source_file | source_dir]\n",argv[0]);
+    exit(1);
+  }
+
+  // initialize data structures
+  initDoxygen();
+
+  // setup the non-default configuration options
+
+  // we need a place to put intermediate files
+  Config_getString("OUTPUT_DIRECTORY")="/tmp/doxyparse";
+  // enable HTML (fake) output to omit warning about missing output format
+  Config_getBool("GENERATE_HTML")=TRUE;
+  // disable latex output
+  Config_getBool("GENERATE_LATEX")=FALSE;
+  // be quiet
+  Config_getBool("QUIET")=TRUE;
+  // turn off warnings
+  Config_getBool("WARNINGS")=FALSE;
+  Config_getBool("WARN_IF_UNDOCUMENTED")=FALSE;
+  Config_getBool("WARN_IF_DOC_ERROR")=FALSE;
+  // Extract as much as possible
+  Config_getBool("EXTRACT_ALL")=TRUE;
+  Config_getBool("EXTRACT_STATIC")=TRUE;
+  Config_getBool("EXTRACT_PRIVATE")=TRUE;
+  Config_getBool("EXTRACT_LOCAL_METHODS")=TRUE;
+  // Extract source browse information, needed
+  // to make doxygen gather the cross reference info
+  Config_getBool("SOURCE_BROWSER")=TRUE;
+  // find functions call between modules
+  Config_getBool("CALL_GRAPH")=TRUE;
+  // loop recursive over input files
+  Config_getBool("RECURSIVE")=TRUE;
+  // set the input
+  Config_getList("INPUT").clear();
+  for (int i = 1; i < argc; i++) {
+    Config_getList("INPUT").append(argv[i]);
+  }
+
+  // check and finalize the configuration
+  checkConfiguration();
+  adjustConfiguration();
+
+  // parse the files
+  parseInput();
+
+  // iterate over the input files
+  FileNameListIterator fnli(*Doxygen::inputNameList);
+  FileName *fn;
+  // for each file with a certain name
+  for (fnli.toFirst();(fn=fnli.current());++fnli) {
+    FileNameIterator fni(*fn);
+    FileDef *fd;
+    // for each file definition
+    for (;(fd=fni.current());++fni) {
+      // get the references (linked and unlinked) found in this file
+      findXRefSymbols(fd);
+    }
+  }
+
+  // remove temporary files
+  if (!Doxygen::objDBFileName.isEmpty()) unlink(Doxygen::objDBFileName);
+  if (!Doxygen::entryDBFileName.isEmpty()) unlink(Doxygen::entryDBFileName);
+  // clean up after us
+  rmdir(Config_getString("OUTPUT_DIRECTORY"));
+
+  listSymbols();
+
+  exit(0);
+}
diff --git a/addon/doxyparse/doxyparse.pro.in b/addon/doxyparse/doxyparse.pro.in
new file mode 100644
index 0000000..5342531
--- /dev/null
+++ b/addon/doxyparse/doxyparse.pro.in
@@ -0,0 +1,11 @@
+TEMPLATE     =	app.t
+CONFIG       =	console warn_on debug
+HEADERS      =
+SOURCES      =	doxyparse.cpp
+LIBS          += -L../../lib -L../../lib -ldoxygen -lqtools -lmd5 -ldoxycfg -lpng
+DESTDIR        =
+OBJECTS_DIR    = ../../objects
+TARGET         = ../../bin/doxyparse
+INCLUDEPATH   += ../../qtools ../../src
+DEPENDPATH    += ../../src
+TARGETDEPS     = ../../lib/libdoxygen.a
diff --git a/configure b/configure
index dc6bf06..ef9de89 100755
--- a/configure
+++ b/configure
@@ -35,6 +35,7 @@ f_insttool=NO
 f_english=NO
 f_wizard=NO
 f_app=NO
+f_parse=NO
 f_thread=NO
 f_flex=NO
 f_bison=NO
@@ -93,6 +94,9 @@ while test -n "$1";  do
     --with-doxyapp | -with-doxyapp)
        f_app=YES
        ;;
+    --with-doxyparse | -with-doxyparse)
+       f_parse=YES
+       ;;
     -h | -help | --help)
        f_help=y
        ;;
@@ -111,7 +115,7 @@ Usage: $0 [--help] [--shared] [--static] [--release] [--debug]
           [--perl name] [--flex name] [--bison name] [--make name] 
           [--dot name] [--platform target] [--prefix dir] [--docdir dir] 
           [--install name] [--english-only] [----enable-langs list] 
-          [--with-doxywizard] [--with-doxyapp]
+          [--with-doxywizard] [--with-doxyapp] [--with-doxyparse]
 
 Options: 
 
@@ -146,6 +150,7 @@ Options:
   --with-doxywizard     Build the GUI frontend for doxygen. This
                         requires Qt 3.3.x
   --with-doxyapp        Example showing how to embed doxygen in an application.
+  --with-doxyparse      Parses source code and dumps the dependencies between the code elements.
 
 EOF
   test "$f_error" = y && exit 1
@@ -575,7 +580,7 @@ TMAKE_CXXFLAGS += -DENGLISH_ONLY
 EOF
 fi
 
-f_inmakefiles="Makefile.in qtools/Makefile.in src/Makefile.in examples/Makefile.in doc/Makefile.in addon/doxywizard/Makefile.in addon/doxmlparser/src/Makefile.in addon/doxmlparser/test/Makefile.in addon/doxmlparser/examples/metrics/Makefile.in libpng/Makefile.in libmd5/Makefile.in addon/doxyapp/Makefile.in"
+f_inmakefiles="Makefile.in qtools/Makefile.in src/Makefile.in examples/Makefile.in doc/Makefile.in addon/doxywizard/Makefile.in addon/doxmlparser/src/Makefile.in addon/doxmlparser/test/Makefile.in addon/doxmlparser/examples/metrics/Makefile.in libpng/Makefile.in libmd5/Makefile.in addon/doxyapp/Makefile.in addon/doxyparse/Makefile.in"
 
 for i in $f_inmakefiles ; do
      SRC=$i
@@ -601,6 +606,9 @@ EOF
        if test $f_app = YES; then
          echo "	\$(MAKE) -C addon/doxyapp" >> $DST
        fi
+       if test $f_parse = YES; then
+         echo "	\$(MAKE) -C addon/doxyparse" >> $DST
+       fi
        echo "" >> $DST
        echo "doxywizard_install:" >> $DST
        if test $f_wizard = YES; then
@@ -616,7 +624,7 @@ EOF
      echo "  Created $DST from $SRC..."
 done
 
-f_inprofiles="qtools/qtools.pro.in src/libdoxygen.pro.in src/libdoxycfg.pro.in src/doxygen.pro.in src/doxytag.pro.in addon/doxywizard/doxywizard.pro.in addon/doxmlparser/src/doxmlparser.pro.in addon/doxmlparser/test/xmlparse.pro.in addon/doxmlparser/examples/metrics/metrics.pro.in libpng/libpng.pro.in libmd5/libmd5.pro.in addon/doxyapp/doxyapp.pro.in" 
+f_inprofiles="qtools/qtools.pro.in src/libdoxygen.pro.in src/libdoxycfg.pro.in src/doxygen.pro.in src/doxytag.pro.in addon/doxywizard/doxywizard.pro.in addon/doxmlparser/src/doxmlparser.pro.in addon/doxmlparser/test/xmlparse.pro.in addon/doxmlparser/examples/metrics/metrics.pro.in libpng/libpng.pro.in libmd5/libmd5.pro.in addon/doxyapp/doxyapp.pro.in addon/doxyparse/doxyparse.pro.in" 
 
 for i in $f_inprofiles ; do
      SRC=$i