diff options
Diffstat (limited to 'Examples/go')
| -rw-r--r-- | Examples/go/callback/Makefile | 12 | ||||
| -rw-r--r-- | Examples/go/callback/example.h | 1 | ||||
| -rw-r--r-- | Examples/go/callback/gocallback.go | 41 | ||||
| -rw-r--r-- | Examples/go/callback/index.html | 64 | ||||
| -rw-r--r-- | Examples/go/callback/runme.go | 16 | ||||
| -rw-r--r-- | Examples/go/check.list | 1 | ||||
| -rw-r--r-- | Examples/go/director/Makefile | 24 | ||||
| -rw-r--r-- | Examples/go/director/director.go | 72 | ||||
| -rw-r--r-- | Examples/go/director/director.h | 41 | ||||
| -rw-r--r-- | Examples/go/director/example.i | 11 | ||||
| -rw-r--r-- | Examples/go/director/index.html | 28 | ||||
| -rw-r--r-- | Examples/go/director/runme.go | 39 | ||||
| -rw-r--r-- | Examples/go/extend/Makefile | 12 | ||||
| -rw-r--r-- | Examples/go/extend/ceo.go | 37 | ||||
| -rw-r--r-- | Examples/go/extend/example.h | 2 | ||||
| -rw-r--r-- | Examples/go/extend/index.html | 13 | ||||
| -rw-r--r-- | Examples/go/extend/runme.go | 20 | ||||
| -rw-r--r-- | Examples/go/index.html | 45 |
18 files changed, 366 insertions, 113 deletions
diff --git a/Examples/go/callback/Makefile b/Examples/go/callback/Makefile index bf5275f14..7441e09bd 100644 --- a/Examples/go/callback/Makefile +++ b/Examples/go/callback/Makefile @@ -1,6 +1,7 @@ TOP = ../.. SWIG = $(TOP)/../preinst-swig CXXSRCS = callback.cxx +GOSRCS = gocallback.go TARGET = example INTERFACE = example.i SWIGOPT = @@ -9,8 +10,15 @@ check: build $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' go_run build: - $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \ - SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' go_cpp + if [ -n '$(SRCDIR)' ]; then \ + cp $(GOSRCS:%=$(SRCDIR)/%) .; \ + fi + @# Note: example.go gets generated by SWIG + $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' GOSRCS='example.go $(GOSRCS)' \ + SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' go_cpp clean: + if [ -n '$(SRCDIR)' ]; then \ + rm $(GOSRCS) || true; \ + fi $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' INTERFACE='$(INTERFACE)' go_clean diff --git a/Examples/go/callback/example.h b/Examples/go/callback/example.h index 1a0e8c432..74ddad954 100644 --- a/Examples/go/callback/example.h +++ b/Examples/go/callback/example.h @@ -20,4 +20,3 @@ public: void setCallback(Callback *cb) { delCallback(); _callback = cb; } void call() { if (_callback) _callback->run(); } }; - diff --git a/Examples/go/callback/gocallback.go b/Examples/go/callback/gocallback.go new file mode 100644 index 000000000..20fd0627a --- /dev/null +++ b/Examples/go/callback/gocallback.go @@ -0,0 +1,41 @@ +package example + +import ( + "fmt" +) + +type GoCallback interface { + Callback + deleteCallback() + IsGoCallback() +} + +type goCallback struct { + Callback +} + +func (p *goCallback) deleteCallback() { + DeleteDirectorCallback(p.Callback) +} + +func (p *goCallback) IsGoCallback() {} + +type overwrittenMethodsOnCallback struct { + p Callback +} + +func NewGoCallback() GoCallback { + om := &overwrittenMethodsOnCallback{} + p := NewDirectorCallback(om) + om.p = p + + return &goCallback{Callback: p} +} + +func DeleteGoCallback(p GoCallback) { + p.deleteCallback() +} + +func (p *goCallback) Run() { + fmt.Println("GoCallback.Run") +} diff --git a/Examples/go/callback/index.html b/Examples/go/callback/index.html index b053cf547..9a53065b0 100644 --- a/Examples/go/callback/index.html +++ b/Examples/go/callback/index.html @@ -12,67 +12,17 @@ <H2>Implementing C++ callbacks in Go</H2> <p> -This example illustrates how to use directors to implement C++ -callbacks in Go. -</p> - -<p> -Because Go and C++ use inheritance differently, you must call a -different function to create a class which uses callbacks. Instead of -calling the usual constructor function whose name is <tt>New</tt> -followed by the capitalized name of the class, you call a function -named <tt>NewDirector</tt> followed by the capitalized name of the -class. -</p> - -<p> -The first argument to the <tt>NewDirector</tt> function is an instance -of a type. The <tt>NewDirector</tt> function will return an interface -value as usual. However, when calling any method on the returned -value, the program will first check whether the value passed -to <tt>NewDirector</tt> implements that method. If it does, the -method will be called in Go. This is true whether the method is -called from Go code or C++ code. -</p> - -<p> -Note that the Go code will be called with just the Go value, not the -C++ value. If the Go code needs to call a C++ method on itself, you -need to get a copy of the C++ object. This is typically done as -follows: - -<blockquote> -<pre> -type Child struct { abi Parent } -func (p *Child) ChildMethod() { - p.abi.ParentMethod() -} -func f() { - p := &Child{nil} - d := NewDirectorParent(p) - p.abi = d - ... -} -</pre> -</blockquote> - -In other words, we first create the Go value. We pass that to -the <tt>NewDirector</tt> function to create the C++ value; this C++ -value will be created with an association to the Go value. We then -store the C++ value in the Go value, giving us the reverse -association. That permits us to call parent methods from the child. - -</p> - -<p> -To delete a director object, use the function <tt>DeleteDirector</tt> -followed by the capitalized name of the class. +This example illustrates how to use directors to implement C++ callbacks in Go. +See the <a href="../../../Doc/Manual/Go.html#Go_director_classes">Go Director +Classes</a> documentation subsection for an in-depth explanation how to use the +director feature. </p> <p> <ul> -<li><a href="example.h">example.h</a>. Header file containing some enums. -<li><a href="example.i">example.i</a>. Interface file. +<li><a href="example.h">example.h</a>. Header with the definition of the Caller and Callback classes. +<li><a href="example.i">example.i</a>. SWIG interface file. +<li><a href="gocallback.go">gocallback.go</a>. Go source with the definition of the GoCallback class. <li><a href="runme.go">runme.go</a>. Sample Go program. </ul> diff --git a/Examples/go/callback/runme.go b/Examples/go/callback/runme.go index 2eef77fdb..03ab0c5e2 100644 --- a/Examples/go/callback/runme.go +++ b/Examples/go/callback/runme.go @@ -16,26 +16,18 @@ func main() { caller.Call() caller.DelCallback() - callback = NewDirectorCallback(new(GoCallback)) + go_callback := NewGoCallback() fmt.Println() fmt.Println("Adding and calling a Go callback") - fmt.Println("------------------------------------") + fmt.Println("--------------------------------") - caller.SetCallback(callback) + caller.SetCallback(go_callback) caller.Call() caller.DelCallback() - // Test that a double delete does not occur as the object has - // already been deleted from the C++ layer. - DeleteDirectorCallback(callback) + DeleteGoCallback(go_callback) fmt.Println() fmt.Println("Go exit") } - -type GoCallback struct{} - -func (p *GoCallback) Run() { - fmt.Println("GoCallback.Run") -} diff --git a/Examples/go/check.list b/Examples/go/check.list index 5399b8979..b3f34b306 100644 --- a/Examples/go/check.list +++ b/Examples/go/check.list @@ -2,6 +2,7 @@ callback class constants +director enum extend funcptr diff --git a/Examples/go/director/Makefile b/Examples/go/director/Makefile new file mode 100644 index 000000000..2e9e87b89 --- /dev/null +++ b/Examples/go/director/Makefile @@ -0,0 +1,24 @@ +TOP = ../.. +SWIG = $(TOP)/../preinst-swig +CXXSRCS = +GOSRCS = director.go +TARGET = example +INTERFACE = example.i +SWIGOPT = + +check: build + $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' go_run + +build: + if [ -n '$(SRCDIR)' ]; then \ + cp $(GOSRCS:%=$(SRCDIR)/%) .; \ + fi + @# Note: example.go gets generated by SWIG + $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' GOSRCS='example.go $(GOSRCS)' \ + SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' go_cpp + +clean: + if [ -n '$(SRCDIR)' ]; then \ + rm $(GOSRCS) || true; \ + fi + $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' INTERFACE='$(INTERFACE)' go_clean diff --git a/Examples/go/director/director.go b/Examples/go/director/director.go new file mode 100644 index 000000000..4f99bfc6d --- /dev/null +++ b/Examples/go/director/director.go @@ -0,0 +1,72 @@ +package example + +// FooBarGo is a superset of FooBarAbstract and hence FooBarGo can be used as a +// drop in replacement for FooBarAbstract but the reverse causes a compile time +// error. +type FooBarGo interface { + FooBarAbstract + deleteFooBarAbstract() + IsFooBarGo() +} + +// Via embedding fooBarGo "inherits" all methods of FooBarAbstract. +type fooBarGo struct { + FooBarAbstract +} + +func (fbgs *fooBarGo) deleteFooBarAbstract() { + DeleteDirectorFooBarAbstract(fbgs.FooBarAbstract) +} + +// The IsFooBarGo method ensures that FooBarGo is a superset of FooBarAbstract. +// This is also how the class hierarchy gets represented by the SWIG generated +// wrapper code. For an instance FooBarCpp has the IsFooBarAbstract and +// IsFooBarCpp methods. +func (fbgs *fooBarGo) IsFooBarGo() {} + +// Go type that defines the DirectorInterface. It contains the Foo and Bar +// methods that overwrite the respective virtual C++ methods on FooBarAbstract. +type overwrittenMethodsOnFooBarAbstract struct { + // Backlink to FooBarAbstract so that the rest of the class can be used by + // the overridden methods. + fb FooBarAbstract + + // If additional constructor arguments have been given they are typically + // stored here so that the overriden methods can use them. +} + +func (om *overwrittenMethodsOnFooBarAbstract) Foo() string { + // DirectorFooBarAbstractFoo calls the base method FooBarAbstract::Foo. + return "Go " + DirectorFooBarAbstractFoo(om.fb) +} + +func (om *overwrittenMethodsOnFooBarAbstract) Bar() string { + return "Go Bar" +} + +func NewFooBarGo() FooBarGo { + // Instantiate FooBarAbstract with selected methods overridden. The methods + // that will be overwritten are defined on + // overwrittenMethodsOnFooBarAbstract and have a compatible signature to the + // respective virtual C++ methods. Furthermore additional constructor + // arguments will be typically stored in the + // overwrittenMethodsOnFooBarAbstract struct. + om := &overwrittenMethodsOnFooBarAbstract{} + fb := NewDirectorFooBarAbstract(om) + om.fb = fb // Backlink causes cycle as fb.v = om! + + fbgs := &fooBarGo{FooBarAbstract: fb} + // The memory of the FooBarAbstract director object instance can be + // automatically freed once the FooBarGo instance is garbage collected by + // uncommenting the following line. Please make sure to understand the + // runtime.SetFinalizer specific gotchas before doing this. Furthemore + // DeleteFooBarGo should be deleted if a finalizer is in use or the fooBarGo + // struct needs additional data to prevent double deletion. + // runtime.SetFinalizer(fbgs, FooBarGo.deleteFooBarAbstract) + return fbgs +} + +// Recommended to be removed if runtime.SetFinalizer is in use. +func DeleteFooBarGo(fbg FooBarGo) { + fbg.deleteFooBarAbstract() +} diff --git a/Examples/go/director/director.h b/Examples/go/director/director.h new file mode 100644 index 000000000..339a9adcd --- /dev/null +++ b/Examples/go/director/director.h @@ -0,0 +1,41 @@ +#ifndef DIRECTOR_H +#define DIRECTOR_H + + +#include <stdio.h> +#include <string> + + +class FooBarAbstract +{ +public: + FooBarAbstract() {}; + virtual ~FooBarAbstract() {}; + + std::string FooBar() { + return this->Foo() + ", " + this->Bar(); + }; + +protected: + virtual std::string Foo() { + return "Foo"; + }; + + virtual std::string Bar() = 0; +}; + + +class FooBarCpp : public FooBarAbstract +{ +protected: + virtual std::string Foo() { + return "C++ " + FooBarAbstract::Foo(); + } + + virtual std::string Bar() { + return "C++ Bar"; + } +}; + + +#endif diff --git a/Examples/go/director/example.i b/Examples/go/director/example.i new file mode 100644 index 000000000..e832bd8c6 --- /dev/null +++ b/Examples/go/director/example.i @@ -0,0 +1,11 @@ +/* File : example.i */ +%module(directors="1") example + +%include "std_string.i" + +%header %{ +#include "director.h" +%} + +%feature("director") FooBarAbstract; +%include "director.h" diff --git a/Examples/go/director/index.html b/Examples/go/director/index.html new file mode 100644 index 000000000..b93e780e5 --- /dev/null +++ b/Examples/go/director/index.html @@ -0,0 +1,28 @@ +<html> +<head> +<title>SWIG:Examples:go:director</title> +</head> + +<body bgcolor="#ffffff"> + +<tt>SWIG/Examples/go/director/</tt> +<hr> + +<H2>How to subclass a C++ class with a Go type</H2> + +<p> +See the <a href="../../../Doc/Manual/Go.html#Go_director_classes">Go Director +Classes</a> documentation subsection for an explanation of this example. +</p> + +<p> +<ul> +<li><a href="director.go">director.go</a>. Go source with the definition of the FooBarGo class. +<li><a href="director.h">director.h</a>. Header with the definition of the FooBarAbstract and FooBarCpp classes. +<li><a href="example.i">example.i</a>. SWIG interface file. +<li><a href="runme.go">runme.go</a>. Sample Go program. +</ul> + +<hr> +</body> +</html> diff --git a/Examples/go/director/runme.go b/Examples/go/director/runme.go new file mode 100644 index 000000000..0d839bc88 --- /dev/null +++ b/Examples/go/director/runme.go @@ -0,0 +1,39 @@ +package main + +import ( + "./example" + "fmt" + "os" +) + +func Compare(name string, got string, exp string) error { + fmt.Printf("%s; Got: '%s'; Expected: '%s'\n", name, got, exp) + if got != exp { + return fmt.Errorf("%s returned unexpected string! Got: '%s'; Expected: '%s'\n", name, got, exp) + } + return nil +} + +func TestFooBarCpp() error { + fb := example.NewFooBarCpp() + defer example.DeleteFooBarCpp(fb) + return Compare("FooBarCpp.FooBar()", fb.FooBar(), "C++ Foo, C++ Bar") +} + +func TestFooBarGo() error { + fb := example.NewFooBarGo() + defer example.DeleteFooBarGo(fb) + return Compare("FooBarGo.FooBar()", fb.FooBar(), "Go Foo, Go Bar") +} + +func main() { + fmt.Println("Test output:") + fmt.Println("------------") + err := TestFooBarCpp() + err = TestFooBarGo() + fmt.Println("------------") + if err != nil { + fmt.Fprintf(os.Stderr, "Tests failed! Last error: %s\n", err.Error()) + os.Exit(1) + } +} diff --git a/Examples/go/extend/Makefile b/Examples/go/extend/Makefile index 290694210..a9f2d8d7d 100644 --- a/Examples/go/extend/Makefile +++ b/Examples/go/extend/Makefile @@ -1,6 +1,7 @@ TOP = ../.. SWIG = $(TOP)/../preinst-swig CXXSRCS = extend.cxx +GOSRCS = ceo.go TARGET = example INTERFACE = example.i SWIGOPT = @@ -9,8 +10,15 @@ check: build $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' go_run build: - $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \ - SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' go_cpp + if [ -n '$(SRCDIR)' ]; then \ + cp $(GOSRCS:%=$(SRCDIR)/%) .; \ + fi + @# Note: example.go gets generated by SWIG + $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' GOSRCS='example.go $(GOSRCS)' \ + SWIG='$(SWIG)' SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' go_cpp clean: + if [ -n '$(SRCDIR)' ]; then \ + rm $(GOSRCS) || true; \ + fi $(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' INTERFACE='$(INTERFACE)' go_clean diff --git a/Examples/go/extend/ceo.go b/Examples/go/extend/ceo.go new file mode 100644 index 000000000..8f00c92f2 --- /dev/null +++ b/Examples/go/extend/ceo.go @@ -0,0 +1,37 @@ +package example + +type CEO interface { + Manager + deleteManager() + IsCEO() +} + +type ceo struct { + Manager +} + +func (p *ceo) deleteManager() { + DeleteDirectorManager(p.Manager) +} + +func (p *ceo) IsCEO() {} + +type overwrittenMethodsOnManager struct { + p Manager +} + +func NewCEO(name string) CEO { + om := &overwrittenMethodsOnManager{} + p := NewDirectorManager(om, name) + om.p = p + + return &ceo{Manager: p} +} + +func DeleteCEO(p CEO) { + p.deleteManager() +} + +func (p *ceo) GetPosition() string { + return "CEO" +} diff --git a/Examples/go/extend/example.h b/Examples/go/extend/example.h index ca1aed28f..0c3b721bd 100644 --- a/Examples/go/extend/example.h +++ b/Examples/go/extend/example.h @@ -44,7 +44,7 @@ public: const Employee *get_item(int i) { return list[i]; } - ~EmployeeList() { + ~EmployeeList() { std::vector<Employee*>::iterator i; std::cout << "~EmployeeList, deleting " << list.size() << " employees." << std::endl; for (i=list.begin(); i!=list.end(); i++) { diff --git a/Examples/go/extend/index.html b/Examples/go/extend/index.html index 471fa9cdc..31788b2aa 100644 --- a/Examples/go/extend/index.html +++ b/Examples/go/extend/index.html @@ -12,13 +12,16 @@ <H2>Extending a simple C++ class in Go</H2> <p> -This example illustrates the extending of a C++ class with cross -language polymorphism. - +This example illustrates how to inherit from a C++ class in Go. +See the <a href="../../../Doc/Manual/Go.html#Go_director_classes">Go Director +Classes</a> documentation subsection for an in-depth explanation how to use the +director feature. <p> + <ul> -<li><a href="example.h">example.h</a>. Header file containing some enums. -<li><a href="example.i">example.i</a>. Interface file. +<li><a href="ceo.go">ceo.go</a>. Go source with the definition of the CEO class. +<li><a href="example.h">example.h</a>. Header with the definition of the Employee, Manager and EmployeeList classes. +<li><a href="example.i">example.i</a>. SWIG interface file. <li><a href="runme.go">runme.go</a>. Sample Go program. </ul> diff --git a/Examples/go/extend/runme.go b/Examples/go/extend/runme.go index 770e27802..a56968937 100644 --- a/Examples/go/extend/runme.go +++ b/Examples/go/extend/runme.go @@ -7,19 +7,12 @@ import ( "fmt" ) -type CEO struct{} - -func (p *CEO) GetPosition() string { - return "CEO" -} - func main() { // Create an instance of CEO, a class derived from the Go // proxy of the underlying C++ class. The calls to getName() // and getPosition() are standard, the call to getTitle() uses // the director wrappers to call CEO.getPosition(). - - e := NewDirectorManager(new(CEO), "Alice") + e := NewCEO("Alice") fmt.Println(e.GetName(), " is a ", e.GetPosition()) fmt.Println("Just call her \"", e.GetTitle(), "\"") fmt.Println("----------------------") @@ -27,7 +20,6 @@ func main() { // Create a new EmployeeList instance. This class does not // have a C++ director wrapper, but can be used freely with // other classes that do. - list := NewEmployeeList() // EmployeeList owns its items, so we must surrender ownership @@ -49,15 +41,13 @@ func main() { // CEO, but now Go thinks the object is an instance of class // Employee. So the call passes through the Employee proxy // class and on to the C wrappers and C++ director, eventually - // ending up back at the Java CEO implementation of + // ending up back at the Go CEO implementation of // getPosition(). The call to GetTitle() for item 3 runs the // C++ Employee::getTitle() method, which in turn calls // GetPosition(). This virtual method call passes down - // through the C++ director class to the Java implementation + // through the C++ director class to the Go implementation // in CEO. All this routing takes place transparently. - fmt.Println("(position, title) for items 0-3:") - fmt.Println(" ", list.Get_item(0).GetPosition(), ", \"", list.Get_item(0).GetTitle(), "\"") fmt.Println(" ", list.Get_item(1).GetPosition(), ", \"", list.Get_item(1).GetTitle(), "\"") fmt.Println(" ", list.Get_item(2).GetPosition(), ", \"", list.Get_item(2).GetTitle(), "\"") @@ -66,11 +56,11 @@ func main() { // Time to delete the EmployeeList, which will delete all the // Employee* items it contains. The last item is our CEO, - // which gets destroyed as well. + // which gets destroyed as well and hence there is no need to + // call DeleteCEO. DeleteEmployeeList(list) fmt.Println("----------------------") // All done. - fmt.Println("Go exit") } diff --git a/Examples/go/index.html b/Examples/go/index.html index 21dda21b5..467f4ecb7 100644 --- a/Examples/go/index.html +++ b/Examples/go/index.html @@ -23,6 +23,7 @@ certain C declarations are turned into constants. <li><a href="template/index.html">template</a>. C++ templates. <li><a href="callback/index.html">callback</a>. C++ callbacks using directors. <li><a href="extend/index.html">extend</a>. Polymorphism using directors. +<li><a href="director/index.html">director</a>. Example how to utilize the director feature. </ul> <h2>Compilation Issues</h2> @@ -37,20 +38,23 @@ certain C declarations are turned into constants. </blockquote> <li>On Unix the compilation of examples is done using the -file <tt>Example/Makefile</tt>. This makefile performs a manual -module compilation which is platform specific. When using -the <tt>6g</tt> or <tt>8g</tt> compiler, the steps look like this +file <tt>Example/Makefile</tt>. Normally builds are done simply +using <tt>go build</tt>. For testing purposes this makefile performs +a manual module compilation that is platform specific. When using +the <tt>gc</tt> compiler, the steps look approximately like this (GNU/Linux): <blockquote> <pre> -% swig -go interface.i -% gcc -fpic -c interface_wrap.c -% gcc -shared interface_wrap.o $(OBJS) -o interfacemodule.so -% 6g interface.go -% 6c interface_gc.c -% gopack grc interface.a interface.6 interface_gc.6 -% 6l program.6 +% swig -go -cgo interface.i +% mkdir -p gopath/src/interface +% cp interface_wrap.c interface_wrap.h interface.go gopath/src/interface +% GOPATH=`pwd`/gopath +% export GOPATH +% cd gopath/src/interface +% go build +% go tool compile $(SRCDIR)/runme.go +% go tool link -o runme runme.o </pre> </blockquote> @@ -58,10 +62,15 @@ the <tt>6g</tt> or <tt>8g</tt> compiler, the steps look like this <blockquote> <pre> -% swig -go interface.i -% gcc -c interface_wrap.c -% gccgo -c interface.go -% gccgo program.o interface.o interface_wrap.o +% swig -go -cgo interface.i +% mkdir -p gopath/src/interface +% cp interface_wrap.c interface_wrap.h interface.go gopath/src/interface +% GOPATH=`pwd`/gopath +% export GOPATH +% cd gopath/src/interface +% go build +% gccgo -c $(SRCDIR)/runme.go +% gccgo -o runme runme.o interface.a </pre> </blockquote @@ -76,14 +85,14 @@ The examples have been extensively tested on the following platforms: </ul> All of the examples were last tested with the following configuration -(10 May 2010): +(5 August 2015): <ul> -<li>Ubuntu Hardy -<li>gcc-4.2.4 +<li>Ubuntu Trusty +<li>gcc-4.8.4 </ul> -Your mileage may vary. If you experience a problem, please let us know by +Your mileage may vary. If you experience a problem, please let us know by contacting us on the <a href="http://www.swig.org/mail.html">mailing lists</a>. </body> </html> |