kernel-doc: new P directive for DOC: sections

The !P directive includes the contents of a DOC: section
given by title, e.g.
!Pfilename Title of the section

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

diff --git a/scripts/basic/docproc.c b/scripts/basic/docproc.c
index 7eae53419a4825a2b99c4287afea0061695e9a72..35bdc68b6e66604fc31f184fff4ad1c0e6c5398e 100644 (file)
--- a/scripts/basic/docproc.c
+++ b/scripts/basic/docproc.c
@@ -30,6 +30,7 @@
  *             !Ifilename
  *             !Dfilename
  *             !Ffilename
+ *             !Pfilename
  *
  */
 
@@ -57,6 +58,7 @@ FILEONLY *symbolsonly;
 typedef void FILELINE(char * file, char * line);
 FILELINE * singlefunctions;
 FILELINE * entity_system;
+FILELINE * docsection;
 
 #define MAXLINESZ     2048
 #define MAXFILES      250
@@ -288,13 +290,37 @@ void singfunc(char * filename, char * line)
        exec_kernel_doc(vec);
 }
 
+/*
+ * Insert specific documentation section from a file.
+ * Call kernel-doc with the following parameters:
+ * kernel-doc -docbook -function "doc section" filename
+ */
+void docsect(char *filename, char *line)
+{
+       char *vec[6]; /* kerneldoc -docbook -function "section" file NULL */
+       char *s;
+
+       for (s = line; *s; s++)
+               if (*s == '\n')
+                       *s = '\0';
+
+       vec[0] = KERNELDOC;
+       vec[1] = DOCBOOK;
+       vec[2] = FUNCTION;
+       vec[3] = line;
+       vec[4] = filename;
+       vec[5] = NULL;
+       exec_kernel_doc(vec);
+}
+
 /*
  * Parse file, calling action specific functions for:
  * 1) Lines containing !E
  * 2) Lines containing !I
  * 3) Lines containing !D
  * 4) Lines containing !F
- * 5) Default lines - lines not matching the above
+ * 5) Lines containing !P
+ * 6) Default lines - lines not matching the above
  */
 void parse_file(FILE *infile)
 {
@@ -328,6 +354,15 @@ void parse_file(FILE *infile)
                                                s++;
                                        singlefunctions(line +2, s);
                                        break;
+                               case 'P':
+                                       /* filename */
+                                       while (*s && !isspace(*s)) s++;
+                                       *s++ = '\0';
+                                       /* DOC: section name */
+                                       while (isspace(*s))
+                                               s++;
+                                       docsection(line + 2, s);
+                                       break;
                                default:
                                        defaultline(line);
                        }
@@ -374,6 +409,7 @@ int main(int argc, char *argv[])
                externalfunctions = find_export_symbols;
                symbolsonly       = find_export_symbols;
                singlefunctions   = noaction2;
+               docsection        = noaction2;
                parse_file(infile);
 
                /* Rewind to start from beginning of file again */
@@ -383,6 +419,7 @@ int main(int argc, char *argv[])
                externalfunctions = extfunc;
                symbolsonly       = printline;
                singlefunctions   = singfunc;
+               docsection        = docsect;
 
                parse_file(infile);
        }
@@ -396,6 +433,7 @@ int main(int argc, char *argv[])
                externalfunctions = adddep;
                symbolsonly       = adddep;
                singlefunctions   = adddep2;
+               docsection        = adddep2;
                parse_file(infile);
                printf("\n");
        }