Add -pcreversion option to display PCRE version information

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12239 626c5289-ae23-0410-ae9c-e8d60b6d4f22

CHANGES.current

@@ -5,6 +5,9 @@ See the RELEASENOTES file for a summary of changes in each release.
 Version 2.0.1 (in progress)
 ===========================
 
+2010-10-01: wsfulton
+            Add -pcreversion option to display PCRE version information.
+
 2010-10-01: olly
 	    [Ruby] Avoid segfault when a method node has no parentNode
 	    (SF#3034054).

Doc/Manual/SWIG.html

@@ -147,6 +147,7 @@ can be obtained by typing <tt>swig -help</tt> or <tt>swig
 -o <em>outfile</em>            Name of output file
 -outcurrentdir	      Set default output dir to current dir instead of input file's path
 -outdir <em>dir</em>           Set language specific files output directory
+-pcreversion          Display PCRE version information
 -swiglib              Show location of SWIG library
 -version              Show SWIG version number
 

Source/Modules/main.cxx

@@ -129,6 +129,7 @@ static const char *usage3 = (const char *) "\
      -oh <headfile>  - Set name of the output header file to <headfile>\n\
      -outcurrentdir  - Set default output dir to current dir instead of input file's path\n\
      -outdir <dir>   - Set language specific files output directory to <dir>\n\
+     -pcreversion    - Display PCRE version information\n\
      -small          - Compile in virtual elimination & compact mode\n\
      -swiglib        - Report location of SWIG library and exit\n\
      -templatereduce - Reduce all the typedefs in templates\n\
@@ -515,6 +516,12 @@ void SWIG_getoptions(int argc, char *argv[]) {
       } else if (strcmp(argv[i], "-nodirprot") == 0) {
 	Wrapper_director_protected_mode_set(0);
 	Swig_mark_arg(i);
+      } else if (strcmp(argv[i], "-pcreversion") == 0) {
+	String *version = Swig_pcre_version();
+	Printf(stdout, "%s\n", version);
+	Delete(version);
+	Swig_mark_arg(i);
+	SWIG_exit(EXIT_SUCCESS);
       } else if (strcmp(argv[i], "-small") == 0) {
 	Wrapper_compact_print_mode_set(1);
 	Wrapper_virtual_elimination_mode_set(1);

Source/Swig/misc.c

@@ -1213,6 +1213,10 @@ String *Swig_string_regex(String *s) {
   return res ? res : NewStringEmpty();
 }
 
+String *Swig_pcre_version(void) {
+  return NewStringf("PCRE Version: %s", pcre_version());
+}
+
 #else
 
 String *Swig_string_regex(String *s) {
@@ -1220,6 +1224,10 @@ String *Swig_string_regex(String *s) {
   exit(1);
 }
 
+String *Swig_pcre_version(void) {
+  return NewStringf("PCRE not used");
+}
+
 #endif
 
 /* -----------------------------------------------------------------------------

Source/Swig/swig.h

@@ -319,6 +319,7 @@ extern int        ParmList_is_compactdefargs(ParmList *p);
   extern String *Swig_string_lower(String *s);
   extern String *Swig_string_upper(String *s);
   extern String *Swig_string_title(String *s);
+  extern String *Swig_pcre_version(void);
   extern void Swig_init(void);
   extern int Swig_value_wrapper_mode(int mode);