func (d *DWARFHelper) Load() (content.CompletionResult, error) {
var cmp content.CompletionResult
r := d.df.Reader()
for {
if e, err := r.Next(); err != nil {
return cmp, err
break
} else if e == nil {
break
} else {
switch e.Tag {
case dwarf.TagMember:
if f, err := d.toContentField(e); err != nil {
return cmp, err
} else {
cmp.Fields = append(cmp.Fields, f)
}
case dwarf.TagSubprogram:
if m, err := d.toContentMethod(e); err != nil {
return cmp, err
} else {
cmp.Methods = append(cmp.Methods, m)
}
case dwarf.TagClassType, dwarf.TagTypedef, dwarf.TagStructType:
if t, err := d.GetType(e.Offset); err != nil {
return cmp, err
} else {
cmp.Types = append(cmp.Types, t)
}
}
}
}
return cmp, nil
}
func (g *Go) complete_pkg(pkg string, cmp *content.CompletionResult) error {
if g.imports == nil {
g.imports = make(map[string]*types.Package)
}
if p, err := types.GcImport(g.imports, pkg); err != nil {
return err
} else {
nn := p.Scope()
for i := 0; i < nn.NumEntries(); i++ {
t := nn.At(i)
var flags content.Flags
if n := t.Name(); n[0] != strings.ToUpper(n)[0] {
flags = content.FLAG_ACC_PROTECTED
} else {
flags = content.FLAG_ACC_PUBLIC
}
switch t.(type) {
case *types.Func:
var m content.Method
m.Flags |= flags
m.Name.Relative = t.Name()
sig := t.Type().Underlying().(*types.Signature)
if sig.Recv() != nil {
continue
}
par := sig.Params()
for j := 0; j < par.Len(); j++ {
m.Parameters = append(m.Parameters, g.pkg_var(par.At(j)))
}
ret := sig.Results()
for j := 0; j < ret.Len(); j++ {
m.Returns = append(m.Returns, g.pkg_var(ret.At(j)))
}
cmp.Methods = append(cmp.Methods, m)
case *types.TypeName:
var t2 content.Type
t2.Flags |= flags
t2.Name.Relative = t.Name()
switch t.Type().Underlying().(type) {
case *types.Interface:
t2.Flags |= content.FLAG_TYPE_INTERFACE
case *types.Struct:
t2.Flags |= content.FLAG_TYPE_STRUCT
}
cmp.Types = append(cmp.Types, t2)
case *types.Const, *types.Var:
var f content.Field
f.Name.Relative = t.Name()
f.Type = g.pkg_type(t.Type())
cmp.Fields = append(cmp.Fields, f)
default:
log4go.Warn("Unimplemented type in package completion: at: %+v, %v, %v", t, reflect.TypeOf(t), reflect.TypeOf(t.Type().Underlying()))
}
}
}
return nil
}
func (c *Java) Complete(args *content.CompleteArgs, cmp *content.CompletionResult) error {
log4go.Fine("%+v", args)
var archive Archive
session := args.Session()
if session != nil {
if a, ok := session.Get("java_archive").(Archive); ok {
archive = a
}
}
if archive == nil {
cp, err := DefaultClasspath()
if err != nil {
// We don't really care about not being able to get the default classpath as it could be provided manually by the user
log4go.Warn("Couldn't get the default classpath: %s", err)
}
settings := args.Settings()
if cp2, ok := settings.Get("java_classpath").([]string); ok {
// TODO: do we ever want to override rather than append to the classpath?
cp = append(cp, cp2...)
}
log4go.Fine("classpath: %+v", cp)
if archive, err = NewCompositeArchive(cp); err != nil {
return err
} else if session != nil {
session.Set("java_archive", archive)
}
}
className, err := fqnToClassname(args.Location)
if err != nil {
return err
}
data, err := archive.LoadClass(className)
if err != nil {
return err
}
class, err := NewClass(bytes.NewReader(data))
if err != nil {
return err
}
ct, err := class.ToContentType()
if err != nil {
return err
}
// TODO(q): Inherited fields and methods?
// I see value in being able to "just" get the smaller set,
// but getting the full set should definitely be possible "server side"
cmp.Fields = ct.Fields
cmp.Types = ct.Types
cmp.Methods = ct.Methods
return nil
}
func (d *DWARFHelper) Complete(id content.FullyQualifiedName) (content.CompletionResult, error) {
var cmp content.CompletionResult
r := d.df.Reader()
for {
e, err := r.Next()
if err != nil {
return cmp, err
} else if e == nil {
break
}
switch e.Tag {
case dwarf.TagCompileUnit:
continue
case dwarf.TagClassType, dwarf.TagTypedef, dwarf.TagStructType:
t, err := d.GetType(e.Offset)
if err != nil {
return cmp, err
}
if t.Name != id || !e.Children {
r.SkipChildren()
continue
}
r2 := d.df.Reader()
r2.Seek(e.Offset)
for {
e, err := r.Next()
if err != nil {
return cmp, err
} else if e == nil || e.Tag == 0 {
break
}
switch e.Tag {
case dwarf.TagMember:
if f, err := d.toContentField(e); err != nil {
return cmp, err
} else {
f.Name.Absolute = fmt.Sprintf("dwarf://field/%s;%d", d.id, e.Offset)
cmp.Fields = append(cmp.Fields, f)
}
case dwarf.TagSubprogram:
if m, err := d.toContentMethod(e); err != nil {
return cmp, err
} else {
m.Name.Absolute = fmt.Sprintf("dwarf://method/%s;%d", d.id, e.Offset)
cmp.Methods = append(cmp.Methods, m)
}
r.SkipChildren()
}
}
return cmp, nil
default:
r.SkipChildren()
}
}
return cmp, errors.New(fmt.Sprintf("Unable to find type: %s", id))
}
func (c *Net) complete(cache *Cache, t *content.Type, cmp *content.CompletionResult) error {
if ct, err := cache.Complete(t); err != nil {
return err
} else {
cmp.Fields = ct.Fields
cmp.Types = ct.Types
cmp.Methods = ct.Methods
}
return nil
}
func (g *Go) complete(t reflect.Type, cmp *content.CompletionResult) error {
if k := t.Kind(); k != reflect.Ptr {
return fmt.Errorf("Expected a pointer to a type not %v", k)
}
for i := 0; i < t.NumMethod(); i++ {
m := t.Method(i)
cmp.Methods = append(cmp.Methods, g.method(m))
}
t = t.Elem()
for i := 0; i < t.NumMethod(); i++ {
m := t.Method(i)
cmp.Methods = append(cmp.Methods, g.method(m))
}
for i := 0; i < t.NumField(); i++ {
f := t.Field(i)
cmp.Fields = append(cmp.Fields, g.field(f))
}
return 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
}