- Fixed perl install location

Author: jayantom

legacy_notes/knobs.odt

@@ -8,7 +8,7 @@ clean:
 	$(MAKE) -C tcl clean
 	$(MAKE) -C python clean
 	$(MAKE) -C verilog clean
-	#$(MAKE) -C perl clean
+	$(MAKE) -C perl clean
 
 build: 
 	@echo ARCH=$(ARCH)
@@ -17,14 +17,14 @@ build:
 	$(MAKE) -C tcl
 	$(MAKE) -C python
 	$(MAKE) -C verilog
-	#$(MAKE) -C perl
+	$(MAKE) -C perl
 
 installarch: 
 	$(MAKE) -C c install
 	$(MAKE) -C tcl install
 	$(MAKE) -C python install CFLAGS=
 	$(MAKE) -C verilog install
-	#$(MAKE) -C perl install
+	$(MAKE) -C perl install
 
 install:
 	$(MAKE) CFLAGS="-I../c -m64 -fPIC" ARCH=x86_64 INSTALL_LIB=lib64 clean build installarch

legacy_notes/knobs.pdf

@@ -0,0 +1,22 @@
+INSTALL_LIB=lib64
+
+build: sknobs.pm sknobs_wrap.c sknobs.mk
+	make -f sknobs.mk
+
+test:
+	make -f sknobs.mk test
+
+install:
+	make -f sknobs.mk install
+
+sknobs.pm sknobs_wrap.c: sknobs.i
+	swig -perl5 sknobs.i
+
+sknobs.mk: Makefile.PL
+	perl Makefile.PL INSTALLSITEARCH=${PREFIX}/${ARCH}/${INSTALL_LIB}/perl
+
+clean:
+	if [ -f sknobs.mk ]; then make -f sknobs.mk clean; fi
+	if [ -f sknobs.pm ]; then rm sknobs.pm; fi
+	if [ -f sknobs_wrap.c ]; then rm sknobs_wrap.c; fi
+	if [ -f sknobs.mk.old ]; then rm sknobs.mk.old; fi

src/Makefile

@@ -0,0 +1,9 @@
+use ExtUtils::MakeMaker;
+WriteMakefile(
+   NAME     => 'sknobs',
+   MAKEFILE => 'sknobs.mk',
+   INC      => '-I../c',
+   LIBS     => ['-lm'],
+   OBJECT   => '../c/sknobs.o sknobs_wrap.o',
+   test     => {TESTS => 't/sknobs.t'},
+);

src/perl/Makefile

@@ -0,0 +1,141 @@
+%module sknobs
+
+#include "Extern.h"
+#include "perl.h"
+#include "XSUB.h" 
+
+// This tells SWIG to treat char ** as a special case
+%typemap(perl5,in) char ** {
+  AV *tempav;
+  I32 len;
+  int i;
+  SV  **tv;
+  if (!SvROK($input))
+    croak("$input is not a reference.");
+  if (SvTYPE(SvRV($input)) != SVt_PVAV)
+    croak("$input is not an array.");
+  tempav = (AV*)SvRV($input);
+  len = av_len(tempav);
+  $1 = (char **) malloc((len+2)*sizeof(char *));
+  for (i = 0; i <= len; i++) {
+    tv = av_fetch(tempav, i, 0);  
+    $1[i] = (char *) SvPV(*tv,PL_na);
+  }
+  $1[i] = 0;
+};
+
+// This cleans up our char ** array after the function call
+%typemap(perl5,freearg) char ** {
+  free($1);
+}
+
+%rename("close") close_();
+
+%inline %{
+
+#include "sknobs.h"
+
+static int init(char **argv) {
+  int argc = 0, i, cargc=0;
+  char **cargv;
+  while (argv[argc])
+    ++argc;
+  cargv = (char**)malloc((argc+1) * sizeof(char *));
+  cargv[cargc++] = "sknobs";
+  for (i=0; i<argc; ++i)
+    cargv[cargc++] = argv[i];
+  int result = sknobs_init(cargc, cargv);
+  free(cargv);
+  return result;
+}
+
+static void close_() {
+  sknobs_close();
+}
+
+static int add(char *pattern, char *value, char *comment) {
+  return sknobs_add(pattern, value, comment);
+}
+
+static int load(char **argv, char *comment) {
+  int argc = 0, i, cargc=0;
+  char **cargv;
+  while (argv[argc]) ++argc;
+  cargv = (char**)malloc((argc+1) * sizeof(char *));
+  cargv[cargc++] = "sknobs";
+  for (i=0; i<argc; ++i)
+    cargv[cargc++] = argv[i];
+  int result = sknobs_load(cargc, cargv, comment);
+  free(cargv);
+  return result;
+}
+
+static int load_string(char *name, char *buffer, char *comment) {
+  return sknobs_load_string(name, buffer, comment);
+}
+
+static int load_file(char *filename) {
+  return sknobs_load_file(filename);
+}
+
+static int load_file_if_exists(char *filename) {
+  return sknobs_load_file_if_exists(filename);
+}
+
+static int exists(char *name) {
+  return sknobs_exists(name);
+}
+
+static void* iterate(char *name) {
+  return sknobs_iterate(name);
+}
+
+static int iterator_next(void* iterator) {
+  return sknobs_iterator_next(iterator);
+}
+
+static char *iterator_get_string(void* iterator) {
+  return sknobs_iterator_get_string(iterator);
+}
+
+static char *get_string(char *name, char *defaultValue) {
+  return sknobs_get_string(name, defaultValue);
+}
+
+static char *find_file(char *filename) {
+  return sknobs_find_file(filename);
+}
+
+static char *get_filename(char *name, char *defaultValue) {
+  return sknobs_get_filename(name, defaultValue);
+}
+
+static long get_value(char *name, long defaultValue) {
+  return sknobs_get_value(name, defaultValue);
+}
+
+static long get_dynamic_value(char *name, long defaultValue) {
+  return sknobs_get_dynamic_value(name, defaultValue);
+}
+
+static void set_string(char *name, char *value) {
+  sknobs_set_string(name, value);
+}
+
+static void set_value(char *name, long value) {
+  sknobs_set_value(name, value);
+}
+
+static void set_seed(long value) {
+  sknobs_set_seed(value);
+}
+
+static void dump() {
+  sknobs_dump();
+}
+
+static void save(char *filename) {
+  sknobs_save(filename);
+}
+
+%}

src/perl/Makefile.PL

@@ -0,0 +1,10 @@
+use Test;
+use sknobs;
+
+plan tests => 4;
+
+ok(sknobs::init(\@ARGV), 0);
+ok(sknobs::get_value("argument", 0), 0);
+ok(sknobs::get_string("argument", "unspecified"), "unspecified");
+sknobs::set_value("argument", 999);
+ok(sknobs::get_dynamic_value("argument", 0), 999);