Support for Lua added - patch from Mark Gossage

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@7363 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/CHANGES.current

@@ -1,6 +1,14 @@
 Version 1.3.26 (in progress)
 ============================
 
+08/15/2005: wsfulton
+            [Lua] Support added for Lua. Patch #1242772 from Mark Gossage.
+            It supports most C/C++ features (functions, struct, classes, arrays, pointers,
+            exceptions), as well as lots of documentation and a few test cases & examples.
+
+08/14/2005: wsfulton
+            [Xml] Fix incorrect xml escaping in base class name when base class is a template.
+
 08/13/2005: efuzzyone
 	    [CLISP] Added support for handling enums. Does not adds the return type declaration
 	    to the function definition, if a function returns void.

SWIG/Doc/Manual/chapters

@@ -26,4 +26,5 @@ Pike.html
 Python.html
 Ruby.html
 Tcl.html
+Lua.html
 Extending.html

SWIG/Examples/Makefile.in

@@ -863,3 +863,56 @@ csharp_compile: $(SRCS)
 csharp_clean:
 	rm -f *.@OBJEXT@ *@CSHARPSO@ *_wrap* *~ .~* core @EXTRA_CLEAN@ runme runme.exe gc.log `find . -name \*.cs | grep -v runme.cs`
 
+##################################################################
+#####                      LUA                              ######
+##################################################################
+
+# lua flags
+LUA_INCLUDE= @LUAINCLUDE@
+LUA_LIB    = @LUALIB@ -llua -llualib
+
+# Extra specific dynamic linking options
+LUA_DLNK   = @LUADYNAMICLINKING@
+LUA_SO     = @LUA_SO@
+
+# Extra code for lua static link
+LUA_INTERP     = ../lua.c
+
+# ----------------------------------------------------------------
+# Build a C dynamically loadable module
+# ----------------------------------------------------------------
+
+lua: $(SRCS)
+	$(SWIG) -lua $(SWIGOPT) $(INTERFACE)
+	$(CC) -c $(CCSHARED) $(CFLAGS) $(ISRCS) $(SRCS) $(INCLUDES) $(LUA_INCLUDE)
+	$(LDSHARED) $(OBJS) $(IOBJS) $(LIBS) $(LUA_LIB) -o $(LIBPREFIX)$(TARGET)$(LUA_SO)
+
+# -----------------------------------------------------------------
+# Build a C++ dynamically loadable module
+# -----------------------------------------------------------------
+
+lua_cpp: $(SRCS)
+	$(SWIG) -c++ -lua $(SWIGOPT) $(INTERFACE)
+	$(CXX) -c $(CCSHARED) $(CFLAGS) $(ICXXSRCS) $(SRCS) $(CXXSRCS) $(INCLUDES) $(LUA_INCLUDE)
+	$(CXXSHARED) $(OBJS) $(IOBJS) $(LIBS) $(LUA_LIB) $(CPP_DLLIBS) -o $(LIBPREFIX)$(TARGET)$(LUA_SO)
+
+# -----------------------------------------------------------------
+# Build statically linked Lua interpreter
+# -----------------------------------------------------------------
+
+lua_static: $(SRCS)
+	$(SWIG) -lua -module example $(SWIGOPT) $(INTERFACE)
+	$(CC) $(CFLAGS)  $(ISRCS) $(SRCS) $(LUA_INTERP) $(INCLUDES) \
+	$(LUA_INCLUDE) $(LIBS) $(LUA_LIB) -o $(TARGET)
+
+lua_static_cpp: $(SRCS)
+	$(SWIG) -c++ -lua -module example $(SWIGOPT) $(INTERFACE)
+	$(CXX) $(CFLAGS) $(ICXXSRCS) $(SRCS) $(CXXSRCS) $(LUA_INTERP) $(INCLUDES) \
+	$(LUA_INCLUDE) $(LIBS)  $(LUA_LIB) -o $(TARGET)
+
+# -----------------------------------------------------------------
+# Cleaning the lua examples
+# -----------------------------------------------------------------
+
+lua_clean:
+	rm -f *.@OBJEXT@ *$(SO) *_wrap* *~ .~* core @EXTRA_CLEAN@ mylua@EXEEXT@

SWIG/Examples/test-suite/common.mk

@@ -178,6 +178,7 @@ CPP_TEST_CASES += \
 	namespace_virtual_method \
 	newobject1 \
 	ordering \
+	operator_overload \
 	overload_copy \
 	overload_extend \
 	overload_rename \

SWIG/Makefile.in

@@ -41,6 +41,7 @@ skip-pike       = test -n "@SKIP_PIKE@"
 skip-chicken	= test -n "@SKIP_CHICKEN@"
 skip-csharp	= test -n "@SKIP_CSHARP@"
 skip-modula3	= test -n "@SKIP_MODULA3@"
+skip-lua    	= test -n "@SKIP_LUA@"
 
 #####################################################################
 # CHECK
@@ -71,6 +72,7 @@ check-aliveness:
 	@$(skip-chicken)  || ./$(TARGET) -chicken  -help
 	@$(skip-csharp)   || ./$(TARGET) -csharp   -help
 	@$(skip-modula3)  || ./$(TARGET) -modula3  -help
+	@$(skip-lua)      || ./$(TARGET) -lua      -help
 
 check-examples:					\
 	check-tcl-examples			\
@@ -85,7 +87,8 @@ check-examples:					\
 	check-pike-examples			\
 	check-chicken-examples                  \
 	check-csharp-examples                   \
-	check-modula3-examples
+	check-modula3-examples                  \
+	check-lua-examples
 
 check-%-examples:
 	@passed=true;						\
@@ -119,6 +122,7 @@ check-test-suite:				\
 	check-pike-test-suite			\
 	check-csharp-test-suite			\
 	check-modula3-test-suite		\
+	check-lua-test-suite			\
 #	check-chicken-test-suite
 
 check-%-test-suite:
@@ -150,6 +154,7 @@ check-gifplot:					\
 	check-php4-gifplot			\
 	check-pike-gifplot			\
 	check-chicken-gifplot                   \
+#	check-lua-gifplot                  	\
 #	check-csharp-gifplot                    \
 #	check-modula3-gifplot
 
@@ -191,6 +196,7 @@ all-test-suite:					\
 	all-pike-test-suite			\
 	all-csharp-test-suite			\
 	all-modula3-test-suite			\
+	all-lua-test-suite			\
 #	all-chicken-test-suite
 
 all-%-test-suite:
@@ -214,6 +220,7 @@ broken-test-suite:				\
 	broken-pike-test-suite			\
 	broken-csharp-test-suite		\
 	broken-modula3-test-suite		\
+	broken-lua-test-suite			\
 #	broken-chicken-test-suite
 
 broken-%-test-suite:
@@ -283,6 +290,7 @@ noskip-test-suite:				\
 	noskip-php4-test-suite			\
 	noskip-pike-test-suite			\
 	noskip-csharp-test-suite		\
+	noskip-lua-test-suite			\
 	noskip-chicken-test-suite
 
 noskip-%-test-suite:
@@ -315,7 +323,7 @@ install-main:
 	@$(INSTALL_PROGRAM) $(TARGET) $(DESTDIR)$(BIN_DIR)/$(TARGET)
 
 lib-languages = tcl perl5 python guile java mzscheme ruby php4 ocaml \
-	pike chicken csharp modula3 allegrocl clisp
+	pike chicken csharp modula3 allegrocl clisp lua
 
 lib-modules = std
 

SWIG/Source/Makefile.am

@@ -47,6 +47,7 @@ eswig_SOURCES =	CParse/cscanner.c		\
 		Modules/guile.cxx		\
 		Modules/java.cxx		\
 		Modules/lang.cxx		\
+		Modules/lua.cxx			\
 		Modules/main.cxx		\
 		Modules/modula3.cxx		\
 		Modules/module.cxx		\

SWIG/Source/Modules/main.cxx

@@ -338,7 +338,7 @@ void SWIG_getoptions(int argc, char *argv[])
   int     includecount = 0;
   // Get options
   for (i = 1; i < argc; i++) {
-      if (argv[i]) {
+      if (argv[i] && !Swig_check_marked(i)) {
 	  if (strncmp(argv[i],"-I-",3) == 0) {
 	    // Don't push/pop directories
 	    Swig_set_push_dir(0);

SWIG/Source/Modules/swigmain.cxx

@@ -48,6 +48,7 @@ extern "C" {
   Language *swig_chicken(void);
   Language *swig_csharp(void);
   Language *swig_allegrocl(void);
+  Language *swig_lua(void);
   Language *swig_clisp(void);
   Language *swig_uffi(void);
 }
@@ -69,6 +70,7 @@ swig_module  modules[] = {
   {"-csharp",    swig_csharp,    "C#"},
   {"-guile",     swig_guile,     "Guile"},
   {"-java",      swig_java,      "Java"},
+  {"-lua",       swig_lua,       "Lua"},
   {"-modula3",   swig_modula3,   "Modula 3"},
   {"-mzscheme",  swig_mzscheme,  "Mzscheme"},
   {"-ocaml",     swig_ocaml,     "Ocaml"},

SWIG/configure.in

@@ -260,6 +260,12 @@ case $host in
    *) TCL_CXXSHARED=$TRYLINKINGWITHCXX;;
 esac
 
+AC_SUBST(LUA_SO)
+case $host in
+   *-*-darwin*) LUA_SO=.so;;
+   *) LUA_SO=$SO;;
+esac
+
 # Optional CFLAGS used to silence compiler warnings on some platforms.
 
 AC_SUBST(PLATFLAGS)
@@ -1490,6 +1496,87 @@ AC_SUBST(CSHARPLIBRARYPREFIX) # Is this going to be used?
 AC_SUBST(CSHARPCFLAGS)
 AC_SUBST(CSHARPSO)
 
+#----------------------------------------------------------------
+# Look for Lua
+#----------------------------------------------------------------
+
+LUABIN=
+LUAINCLUDE=
+LUALIB=
+
+AC_ARG_WITH(lua, AS_HELP_STRING([--without-lua], [Disable Lua])
+AS_HELP_STRING([--with-lua=path], [Set location of Lua executable]),[ LUABIN="$withval"], [LUABIN=])
+AC_ARG_WITH(luaincl,[  --with-luaincl=path     Set location of Lua include directory],[
+	LUAINCLUDE="$ISYSTEM$withval"], [LUAINCLUDE=])
+AC_ARG_WITH(lualib,[  --with-lualib=path      Set location of Lua library directory],[
+	LUALIB="-L$withval"], [LUALIB=])
+
+# First, check for "--without-lua" or "--with-lua=no".
+if test x"${LUABIN}" = xno -o x"${with_alllang}" = xno ; then 
+AC_MSG_NOTICE([Disabling Lua])
+else
+
+# can we find lua?
+if test -z "$LUABIN"; then
+   AC_PATH_PROG(LUABIN, lua)
+fi
+
+# look for the header files
+AC_MSG_CHECKING(for Lua header files)
+if test -z "$LUAINCLUDE"; then
+#AC_TRY_CPP([#include <lua.h>], , LUAINCLUDE="")
+AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <lua.h>]])], , LUAINCLUDE="")
+if test -z "$LUAINCLUDE"; then
+	dirs="/usr/local/include /usr/include /opt/local/include"
+	for i in $dirs ; do
+		if test -r $i/tcl.h; then
+			AC_MSG_RESULT($i)
+			LUAINCLUDE="$ISYSTEM$i"
+			break
+		fi
+	done
+fi
+fi
+if test -z "$LUAINCLUDE"; then
+    	AC_MSG_RESULT(not found)
+else
+        AC_MSG_RESULT($LUAINCLUDE)
+fi
+
+# look for the library files
+AC_MSG_CHECKING(for Lua library)
+if test -z "$LUALIB"; then
+dirs="/usr/local/lib /usr/lib /opt/local/lib"
+for i in $dirs ; do
+	if test -r $i/liblua.a; then
+	    AC_MSG_RESULT($i)
+	    LUALIB="-L$i"
+	    break
+	fi
+done
+fi
+if test -z "$LUALIB"; then
+   AC_MSG_RESULT(not found)
+else
+   AC_MSG_RESULT($LUALIB)
+fi
+
+# copied from PYTHON code, but I think this is not needed for lua...
+# Cygwin (Windows) needs the library for dynamic linking
+#case $host in
+#*-*-cygwin* | *-*-mingw*) LUADYNAMICLINKING="-L$LUALIB $PYLINK"
+#         PYINCLUDE="-DUSE_DL_IMPORT $PYINCLUDE"
+#         ;;
+#*)LUADYNAMICLINKING="";;
+#esac
+
+fi # if not disabled
+
+AC_SUBST(LUADYNAMICLINKING)
+AC_SUBST(LUAINCLUDE)
+AC_SUBST(LUALIB)
+AC_SUBST(LUABIN)
+
 #----------------------------------------------------------------
 # Determine which languages to use for examples/test-suite
 #----------------------------------------------------------------
@@ -1590,6 +1677,12 @@ AC_SUBST(SKIP_CSHARP)
 SKIP_MODULA3="1" # Always skipped!
 AC_SUBST(SKIP_MODULA3)
 
+SKIP_LUA=
+# do we really need the LUABIN?
+if test -z "$LUABIN" || test -z "$LUAINCLUDE" || test -z "$LUALIB" ; then
+    SKIP_LUA="1"
+fi
+AC_SUBST(SKIP_LUA)
 
 #----------------------------------------------------------------
 # Miscellaneous
@@ -1648,6 +1741,7 @@ AC_CONFIG_FILES([			        \
     Examples/test-suite/python/Makefile	        \
     Examples/test-suite/ruby/Makefile	        \
     Examples/test-suite/tcl/Makefile	        \
+    Examples/test-suite/lua/Makefile	        \
 ])
 AC_CONFIG_FILES([preinst-swig], [chmod +x preinst-swig])
 AC_OUTPUT