/
import.go
84 lines (68 loc) · 1.8 KB
/
import.go
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package main
import (
"fmt"
"os"
"path/filepath"
"runtime"
"strings"
"github.com/DeedleFake/wdte"
"github.com/DeedleFake/wdte/scanner"
"github.com/DeedleFake/wdte/std"
_ "github.com/DeedleFake/wdte/std/all"
)
func importScript(from string, im wdte.Importer, macros scanner.MacroMap) (*wdte.Scope, error) {
file, err := os.Open(from + ".wdte")
if err != nil {
return nil, err
}
defer file.Close()
c, err := wdte.Parse(file, im, macros)
if err != nil {
return nil, err
}
s, _ := c.Collect(wdte.F().WithScope(std.Scope))
return s, nil
}
func importer(wd string, blacklist []string, args []string, macros scanner.MacroMap) wdte.Importer {
wargs := make(wdte.Array, 0, len(args))
for _, arg := range args {
wargs = append(wargs, wdte.String(arg))
}
cliScope := wdte.S().Map(map[wdte.ID]wdte.Func{
"args": wargs,
"goVersion": wdte.GoFunc(func(frame wdte.Frame, args ...wdte.Func) wdte.Func {
return wdte.String(runtime.Version())
}),
"wdteVersion": wdte.GoFunc(func(frame wdte.Frame, args ...wdte.Func) wdte.Func {
v, err := wdteVersion()
if err != nil {
return &wdte.Error{
Frame: frame,
Err: err,
}
}
return wdte.String(v)
}),
})
std.Register("cli", cliScope)
return wdte.ImportFunc(func(from string) (*wdte.Scope, error) {
for _, m := range blacklist {
if from == m {
return nil, fmt.Errorf("%q is blacklisted", from)
}
}
if strings.HasPrefix(from, ".") || strings.HasPrefix(from, "/") {
path := filepath.FromSlash(from)
im := importer(filepath.Dir(path), blacklist, args, macros)
s, err := importPlugin(filepath.Join(wd, path), im)
if !os.IsNotExist(err) {
return s, err
}
s, err = importScript(filepath.Join(wd, path), im, macros)
if !os.IsNotExist(err) {
return s, err
}
}
return std.Import(from)
})
}