// ParseDir parses a directory of Calc source files. It calls ParseFile
// for each file ending in .calc found in the directory.
func ParseDir(fset *token.FileSet, path string) (*ast.Package, error) {
fd, err := os.Open(path)
if err != nil {
return nil, err
}
defer fd.Close()
fnames, err := fd.Readdirnames(0)
if err != nil {
return nil, err
}
fnames = filterByExt(fnames)
if len(fnames) == 0 {
return nil, fmt.Errorf("no files to parse; stop")
}
var files []*ast.File
scope := ast.NewScope(nil)
// TODO: use concurrency
for _, name := range fnames {
f, err := ParseFile(fset, filepath.Join(path, name), scope)
if f == nil {
return nil, err
}
files = append(files, f)
}
return &ast.Package{Scope: scope, Files: files}, nil
}
func (p *parser) init(file *token.File, fname, src string, s *ast.Scope) {
if s == nil {
s = ast.NewScope(nil)
}
p.file = file
p.scanner.Init(p.file, src)
p.listok = false
p.curScope = s //ast.NewScope(nil)
p.topScope = p.curScope
p.next()
}
func (p *parser) openScope() {
p.curScope = ast.NewScope(p.curScope)
}