diff options
author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2009-08-18 20:56:02 +0000 |
---|---|---|
committer | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-09-25 16:59:08 +0000 |
commit | 9f8a09ed743cedd9547bf0661d518647966ab114 (patch) | |
tree | 9c7803d3b27a8ec22e91792ac7f7932efa128b20 /Examples/java/simple | |
download | swig-tarball-master.tar.gz |
Imported from /srv/lorry/lorry-area/swig-tarball/swig-1.3.40.tar.gz.HEADswig-1.3.40master
Diffstat (limited to 'Examples/java/simple')
-rw-r--r-- | Examples/java/simple/Makefile | 18 | ||||
-rw-r--r-- | Examples/java/simple/example.c | 18 | ||||
-rw-r--r-- | Examples/java/simple/example.dsp | 158 | ||||
-rw-r--r-- | Examples/java/simple/example.i | 7 | ||||
-rw-r--r-- | Examples/java/simple/index.html | 108 | ||||
-rw-r--r-- | Examples/java/simple/runme.java | 32 |
6 files changed, 341 insertions, 0 deletions
diff --git a/Examples/java/simple/Makefile b/Examples/java/simple/Makefile new file mode 100644 index 0000000..968c92c --- /dev/null +++ b/Examples/java/simple/Makefile @@ -0,0 +1,18 @@ +TOP = ../.. +SWIG = $(TOP)/../preinst-swig +SRCS = example.c +TARGET = example +INTERFACE = example.i +SWIGOPT = + +all:: java + +java:: + $(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \ + SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' java + javac *.java + +clean:: + $(MAKE) -f $(TOP)/Makefile java_clean + +check: all diff --git a/Examples/java/simple/example.c b/Examples/java/simple/example.c new file mode 100644 index 0000000..1c2af78 --- /dev/null +++ b/Examples/java/simple/example.c @@ -0,0 +1,18 @@ +/* File : example.c */ + +/* A global variable */ +double Foo = 3.0; + +/* Compute the greatest common divisor of positive integers */ +int gcd(int x, int y) { + int g; + g = y; + while (x > 0) { + g = x; + x = y % x; + y = g; + } + return g; +} + + diff --git a/Examples/java/simple/example.dsp b/Examples/java/simple/example.dsp new file mode 100644 index 0000000..8e1f841 --- /dev/null +++ b/Examples/java/simple/example.dsp @@ -0,0 +1,158 @@ +# Microsoft Developer Studio Project File - Name="example" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
+
+CFG=example - Win32 Release
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE
+!MESSAGE NMAKE /f "example.mak".
+!MESSAGE
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE
+!MESSAGE NMAKE /f "example.mak" CFG="example - Win32 Release"
+!MESSAGE
+!MESSAGE Possible choices for configuration are:
+!MESSAGE
+!MESSAGE "example - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE "example - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+MTL=midl.exe
+RSC=rc.exe
+
+!IF "$(CFG)" == "example - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "EXAMPLE_EXPORTS" /YX /FD /GZ /c
+# ADD CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /I "$(JAVA_INCLUDE)" /I "$(JAVA_INCLUDE)\win32" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "EXAMPLE_EXPORTS" /YX /FD /GZ /c
+# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x809 /d "_DEBUG"
+# ADD RSC /l 0x809 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /dll /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /dll /debug /machine:I386 /out:"example.dll" /pdbtype:sept
+# Begin Special Build Tool
+SOURCE="$(InputPath)"
+PostBuild_Desc=Java compile post-build step
+PostBuild_Cmds=echo on "%JAVA_BIN%\javac" *.java
+# End Special Build Tool
+
+!ELSEIF "$(CFG)" == "example - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "EXAMPLE_EXPORTS" /YX /FD /c
+# ADD CPP /nologo /MT /W3 /GX /O2 /I "$(JAVA_INCLUDE)" /I "$(JAVA_INCLUDE)\win32" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "EXAMPLE_EXPORTS" /YX /FD /c
+# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x809 /d "NDEBUG"
+# ADD RSC /l 0x809 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /dll /machine:I386
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /dll /machine:I386 /out:"example.dll"
+# Begin Special Build Tool
+SOURCE="$(InputPath)"
+PostBuild_Desc=Java compile post-build step
+PostBuild_Cmds=echo on "%JAVA_BIN%\javac" *.java
+# End Special Build Tool
+
+!ENDIF
+
+# Begin Target
+
+# Name "example - Win32 Debug"
+# Name "example - Win32 Release"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=.\example.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\example_wrap.c
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter "h;hpp;hxx;hm;inl"
+# End Group
+# Begin Group "Resource Files"
+
+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
+# End Group
+# Begin Source File
+
+SOURCE=.\example.i
+
+!IF "$(CFG)" == "example - Win32 Debug"
+
+# Begin Custom Build
+InputPath=.\example.i
+InputName=example
+
+"$(InputName)_wrap.c" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
+ echo In order to function correctly, please ensure the following environment variables are correctly set:
+ echo JAVA_INCLUDE: %JAVA_INCLUDE%
+ echo JAVA_BIN: %JAVA_BIN%
+ echo on
+ ..\..\..\swig.exe -java $(InputPath)
+
+# End Custom Build
+
+!ELSEIF "$(CFG)" == "example - Win32 Release"
+
+# Begin Custom Build
+InputPath=.\example.i
+InputName=example
+
+"$(InputName)_wrap.c" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
+ echo In order to function correctly, please ensure the following environment variables are correctly set:
+ echo JAVA_INCLUDE: %JAVA_INCLUDE%
+ echo JAVA_BIN: %JAVA_BIN%
+ echo on
+ ..\..\..\swig.exe -java $(InputPath)
+
+# End Custom Build
+
+!ENDIF
+
+# End Source File
+# End Target
+# End Project
diff --git a/Examples/java/simple/example.i b/Examples/java/simple/example.i new file mode 100644 index 0000000..24093b9 --- /dev/null +++ b/Examples/java/simple/example.i @@ -0,0 +1,7 @@ +/* File : example.i */ +%module example + +%inline %{ +extern int gcd(int x, int y); +extern double Foo; +%} diff --git a/Examples/java/simple/index.html b/Examples/java/simple/index.html new file mode 100644 index 0000000..9729e6d --- /dev/null +++ b/Examples/java/simple/index.html @@ -0,0 +1,108 @@ +<html> +<head> +<title>SWIG:Examples:java:simple</title> +</head> + +<body bgcolor="#ffffff"> + + +<tt>SWIG/Examples/java/simple/</tt> +<hr> + +<H2>Simple Java Example</H2> + +<p> +This example illustrates how you can hook Java to a very simple C program containing +a function and a global variable. + +<h2>The C Code</h2> + +Suppose you have the following C code: + +<blockquote> +<pre> +/* File : example.c */ + +/* A global variable */ +double Foo = 3.0; + +/* Compute the greatest common divisor of positive integers */ +int gcd(int x, int y) { + int g; + g = y; + while (x > 0) { + g = x; + x = y % x; + y = g; + } + return g; +} +</pre> +</blockquote> + +<h2>The SWIG interface</h2> + +Here is a simple SWIG interface file: + +<blockquote> +<pre> +/* File: example.i */ +%module example + +extern int gcd(int x, int y); +extern double Foo; +</pre> +</blockquote> + +<h2>Compilation</h2> + +<ol> +<li><tt>swig -java <a href="example.i">example.i</a></tt> +<p> +<li>Compile <tt><a href="example_wrap.c">example_wrap.c</a></tt> and <tt><a href="example.c">example.c</a></tt> +to create the extension <tt>libexample.so (unix)</tt>. +</ol> + +<h2>Using the extension</h2> + +Click <a href="runme.java">here</a> to see a program that calls our C functions from Java. +<p> +Compile the java files <tt><a href="example.java">example.java</a></tt> and <tt><a href="runme.java">runme.java</a></tt> +to create the class files example.class and runme.class before running runme in the JVM. Ensure that the libexample.so file is in your LD_LIBRARY_PATH before running. For example: +<blockquote> +<pre> +export LD_LIBRARY_PATH=. #ksh +javac *.java +java runme +</pre> +</blockquote> + +<h2>Key points</h2> + +<ul> +<li>Use the <tt>loadLibrary</tt> statement from java to load and access the generated java classes. For example: +<blockquote> +<pre> +System.loadLibrary("example"); +</pre> +</blockquote> + +<li>C functions work just like Java functions. For example: +<blockquote> +<pre> +int g = example.gcd(42,105); +</pre> +</blockquote> + +<li>C global variables are accessed through get and set functions in the module class. For example: +<blockquote> +<pre> +double a = example.get_Foo(); +example.set_Foo(20.0); +</pre> +</blockquote> +</ul> + +<hr> +</body> +</html> diff --git a/Examples/java/simple/runme.java b/Examples/java/simple/runme.java new file mode 100644 index 0000000..92880e8 --- /dev/null +++ b/Examples/java/simple/runme.java @@ -0,0 +1,32 @@ + +public class runme { + + static { + try { + System.loadLibrary("example"); + } catch (UnsatisfiedLinkError e) { + System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e); + System.exit(1); + } + } + + public static void main(String argv[]) { + // Call our gcd() function + + int x = 42; + int y = 105; + int g = example.gcd(x,y); + System.out.println("The gcd of " + x + " and " + y + " is " + g); + + // Manipulate the Foo global variable + + // Output its current value + System.out.println("Foo = " + example.getFoo()); + + // Change its value + example.setFoo(3.1415926); + + // See if the change took effect + System.out.println("Foo = " + example.getFoo()); + } +} |