}
}
- // Run SWIG on each .swig and .swigcxx file.
- // Each run will generate two files, a .go file and a .c or .cxx file.
- // The .go file will use import "C" and is to be processed by cgo.
- if p.UsesSwig() {
- outGo, outC, outCXX, err := b.swig(a, objdir, pcCFLAGS)
- if err != nil {
- return err
- }
- cgofiles = append(cgofiles, outGo...)
- cfiles = append(cfiles, outC...)
- cxxfiles = append(cxxfiles, outCXX...)
- }
-
// If we're doing coverage, preprocess the .go files and put them in the work directory
if p.Internal.Cover.Mode != "" {
outfiles := []string{}
}
}
+ // Run SWIG on each .swig and .swigcxx file.
+ // Each run will generate two files, a .go file and a .c or .cxx file.
+ // The .go file will use import "C" and is to be processed by cgo.
+ // For -cover test or build runs, this needs to happen after the cover
+ // tool is run; we don't want to instrument swig-generated Go files,
+ // see issue #64661.
+ if p.UsesSwig() {
+ outGo, outC, outCXX, err := b.swig(a, objdir, pcCFLAGS)
+ if err != nil {
+ return err
+ }
+ cgofiles = append(cgofiles, outGo...)
+ cfiles = append(cfiles, outC...)
+ cxxfiles = append(cxxfiles, outCXX...)
+ }
+
// Run cgo.
if p.UsesCgo() || p.UsesSwig() {
// In a package using cgo, cgo compiles the C, C++ and assembly files with gcc.
--- /dev/null
+
+# Testcase for issue 64661. This testcase is intended to verify that
+# we don't try to send swig-generated Go files through the cover tool
+# for "go test -cover" runs on packages that have *.swig source files.
+
+[!exec:swig] skip
+[!cgo] skip
+
+go test -v -count=1 -coverprofile=foo.p
+stdout 'coverage: 100.0% of statements'
+
+-- go.mod --
+module simple
+
+go 1.21
+-- main.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;
+}
+
+
+-- main.go --
+package main
+
+import (
+ "fmt"
+)
+
+func main() {
+ // Call our gcd() function
+ x := 42
+ y := 105
+ g := Gcd(x, y)
+ fmt.Println("The gcd of", x, "and", y, "is", g)
+
+ // Manipulate the Foo global variable
+
+ // Output its current value
+ fmt.Println("Foo =", GetFoo())
+
+ // Change its value
+ SetFoo(3.1415926)
+
+ // See if the change took effect
+ fmt.Println("Foo =", GetFoo())
+}
+-- main.swig --
+%module main
+
+%inline %{
+extern int gcd(int x, int y);
+extern double Foo;
+%}
+-- main_test.go --
+package main
+
+import "testing"
+
+func TestSwigFuncs(t *testing.T) {
+ main()
+}