Example #1
0
func queryOracle(mode, pos string) (*oracle.Result, error) {
	mutex.Lock()
	defer mutex.Unlock()
	if mode == "what" {
		return oracle.Query(args, mode, pos, nil, &build.Default, false)
	}
	qpos, err := oracle.ParseQueryPos(prog, pos, false)
	if err != nil {
		return nil, err
	}
	return ora.Query(mode, qpos)
}
Example #2
0
func TestMultipleQueries(t *testing.T) {
	// Loader
	var buildContext = build.Default
	buildContext.GOPATH = "testdata"
	conf := loader.Config{Build: &buildContext}
	filename := "testdata/src/main/multi.go"
	conf.CreateFromFilenames("", filename)
	iprog, err := conf.Load()
	if err != nil {
		t.Fatalf("Load failed: %s", err)
	}

	// Oracle
	o, err := oracle.New(iprog, nil, true)
	if err != nil {
		t.Fatalf("oracle.New failed: %s", err)
	}

	// QueryPos
	pos := filename + ":#54,#58"
	qpos, err := oracle.ParseQueryPos(iprog, pos, true)
	if err != nil {
		t.Fatalf("oracle.ParseQueryPos(%q) failed: %s", pos, err)
	}
	// SSA is built and we have the QueryPos.
	// Release the other ASTs and type info to the GC.
	iprog = nil

	// Run different query modes on same scope and selection.
	out := new(bytes.Buffer)
	for _, mode := range [...]string{"callers", "describe", "freevars"} {
		res, err := o.Query(mode, qpos)
		if err != nil {
			t.Errorf("(*oracle.Oracle).Query(%q) failed: %s", pos, err)
		}
		WriteResult(out, res)
	}
	want := `multi.f is called from these 1 sites:
	static function call from multi.main

function call (or conversion) of type ()

Free identifiers:
var x int

`
	if got := out.String(); got != want {
		t.Errorf("Query output differs; want <<%s>>, got <<%s>>\n", want, got)
	}
}