func (c *Clang) CompleteAt(a *content.CompleteAtArgs, ret *content.CompletionResult) error {
origargs, _ := a.Settings().Get("compiler_flags").([]string)
args := make([]string, len(origargs))
for i := range origargs {
args[i] = expand_path.ExpandPath(origargs[i])
}
fn := a.Location.File.Name
if cnt := a.Location.File.Contents; cnt != "" {
if f, err := ioutil.TempFile("", "completion_clang"); err != nil {
return err
} else {
fn = f.Name()
defer os.Remove(fn)
fn += filepath.Ext(a.Location.File.Name)
defer os.Remove(fn)
if err := ioutil.WriteFile(fn, []byte(cnt), 0644); err != nil {
return err
}
}
args = append(args, "-I"+filepath.Dir(a.Location.File.Name))
}
args = append([]string{"-fsyntax-only", "-Xclang", fmt.Sprintf("-code-completion-at=%s:%d:%d", fn, a.Location.Line, a.Location.Column)}, args...)
args = append(args, fn)
if out, err := RunClang(args...); len(out) == 0 {
return err
} else if r, err := parseresult(string(out)); err != nil {
return err
} else {
*ret = r
return nil
}
}
func TestNet(t *testing.T) {
paths := DefaultPaths()
if len(paths) == 0 {
t.Skip("Neither mono nor Windows .NET Framework paths were possible to get")
}
var (
n Net
args content.CompleteAtArgs
cmp content.CompletionResult
)
tests := []struct {
InFile string
Line, Column uint
}{
// TODO: this test is not platform independent as it depends on whatever framework you happen
// to have installed
{"./testdata/CompleteSharp.cs", 40, 27},
{"./testdata/CompleteSharp.cs", 40, 41},
{"./testdata/CompleteSharp.cs", 47, 47},
//{"./testdata/CompleteSharp.cs", 28, 14},
{"./testdata/CompleteSharp.cs", 211, 46},
{"./testdata/CompleteSharp.cs", 761, 83},
{"./testdata/CompleteSharp.cs", 761, 27},
{"./testdata/CompleteSharp.cs", 857, 29},
{"./testdata/CompleteSharp.cs", 737, 15},
{"./testdata/CompleteSharp.cs", 95, 38},
{"./testdata/CompleteSharp.cs", 95, 45},
{"./testdata/CompleteSharp.cs", 776, 39},
{"./testdata/NamespaceTest.cs", 4, 15},
{"./testdata/NamespaceTest.cs", 6, 15},
}
args.SessionId = "a"
args.Settings().Set("net_paths", []string{"./testdata/"})
args.Settings().Set("net_assemblies", []string{"CompleteSharp.exe"})
for _, test := range tests {
args.Location.File.Name = test.InFile
args.Location.Line = test.Line
args.Location.Column = test.Column
ex := fmt.Sprintf("%s-%d-%d.cmp", test.InFile, test.Line, test.Column)
if err := n.CompleteAt(&args, &cmp); err != nil {
t.Errorf("Unable to complete %v: %s", test, err)
} else if exp, err := ioutil.ReadFile(ex); err != nil {
t.Logf("Couldn't read the expected output file %s (%s); it'll be created", ex, err)
if err := ioutil.WriteFile(ex, []byte(cmp.String()), 0644); err != nil {
t.Error(err)
}
} else if d := util.Diff(string(exp), cmp.String()); len(d) != 0 {
t.Error(d)
}
}
}
func (c *Clang) prepare(a *content.CompleteAtArgs) (fn string, args []string, err error) {
origargs, _ := a.Settings().Get("compiler_flags").([]string)
args = make([]string, len(origargs))
for i := range origargs {
args[i] = expand_path.ExpandPath(origargs[i])
}
fn = a.Location.File.Name
if a.Location.File.Contents != "" {
// File is unsaved, so use stdin as the filename
fn = "-"
}
return fn, args, nil
}
func (t *Clang) CompleteAt(args *content.CompleteAtArgs, res *content.CompletionResult) error {
origargs, _ := args.Settings().Get("compiler_flags").([]string)
var unsaved map[string]string
if args.Location.File.Contents != "" {
unsaved = map[string]string{args.Location.File.Name: args.Location.File.Contents}
}
if tu := t.GetTranslationUnit(args.Location.File.Name, origargs, "", unsaved); tu == nil {
return nil
}
cres := tu.CompleteAt(args.Location.File.Name, int(args.Location.Line), int(args.Location.Column), unsaved, 0)
if !cres.IsValid() {
return fmt.Errorf("CompleteResults is not valid")
}
defer cres.Dispose()
for _, r := range cres.Results() {
var (
buf bytes.Buffer
)
switch r.CursorKind {
case clang.CK_StructDecl, clang.CK_TypedefDecl:
for _, c := range r.CompletionString.Chunks() {
buf.WriteString(c.Text())
}
var tt content.Type
tt.Flags = content.FLAG_TYPE_CLASS
tt.Name.Absolute = buf.String()
res.Types = append(res.Types, tt)
case clang.CK_FunctionDecl:
var (
m content.Method
paramstarted bool
argCount int
)
for _, c := range r.CompletionString.Chunks() {
switch k := c.Kind(); k {
case clang.CompletionChunk_ResultType:
var v content.Variable
v.Name.Relative = c.Text()
m.Returns = append(m.Returns, v)
case clang.CompletionChunk_Placeholder:
var v content.Variable
v.Type.Name.Relative = c.Text()
v.Name.Relative = fmt.Sprintf("arg%d", argCount)
argCount++
m.Parameters = append(m.Parameters, v)
case clang.CompletionChunk_LeftParen:
paramstarted = true
case clang.CompletionChunk_RightParen, clang.CompletionChunk_Comma:
case clang.CompletionChunk_TypedText:
if !paramstarted {
buf.WriteString(c.Text())
}
default:
log4go.Warn("Unimplemented CompletionChunkKind: %s", k)
}
}
m.Name.Relative = buf.String()
res.Methods = append(res.Methods, m)
default:
log4go.Warn("Unimplemented CursorKind: %s", r.CursorKind)
}
}
return nil
}
