135 lines
2.8 KiB
Go
135 lines
2.8 KiB
Go
package testdata
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path"
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testdataloader "github.com/peteole/testdata-loader"
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"git.defalsify.org/festive/vm"
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)
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type genFunc func() error
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var (
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BaseDir = testdataloader.GetBasePath()
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DataDir = ""
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dirLock = false
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)
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func out(sym string, b []byte, tpl string) error {
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fp := path.Join(DataDir, sym)
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err := ioutil.WriteFile(fp, []byte(tpl), 0644)
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if err != nil {
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return err
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}
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fb := sym + ".bin"
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fp = path.Join(DataDir, fb)
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err = ioutil.WriteFile(fp, b, 0644)
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if err != nil {
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return err
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}
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return nil
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}
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func root() error {
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b := []byte{}
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b = vm.NewLine(b, vm.MOUT, []string{"1", "do the foo"}, nil, nil)
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b = vm.NewLine(b, vm.MOUT, []string{"2", "go to the bar"}, nil, nil)
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b = vm.NewLine(b, vm.HALT, nil, nil, nil)
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b = vm.NewLine(b, vm.INCMP, []string{"1", "foo"}, nil, nil)
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b = vm.NewLine(b, vm.INCMP, []string{"2", "bar"}, nil, nil)
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tpl := "hello world"
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return out("root", b, tpl)
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}
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func foo() error {
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b := []byte{}
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b = vm.NewLine(b, vm.MOUT, []string{"0", "to foo"}, nil, nil)
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b = vm.NewLine(b, vm.MOUT, []string{"1", "go bar"}, nil, nil)
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b = vm.NewLine(b, vm.LOAD, []string{"inky"}, []byte{20}, nil)
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b = vm.NewLine(b, vm.HALT, nil, nil, nil)
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b = vm.NewLine(b, vm.INCMP, []string{"0", "_"}, nil, nil)
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b = vm.NewLine(b, vm.INCMP, []string{"1", "baz"}, nil, nil)
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b = vm.NewLine(b, vm.CATCH, []string{"_catch"}, []byte{1}, []uint8{1})
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tpl := `this is in foo
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it has more lines`
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return out("foo", b, tpl)
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}
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func bar() error {
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b := []byte{}
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b = vm.NewLine(b, vm.LOAD, []string{"pinky"}, []byte{0}, nil)
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b = vm.NewLine(b, vm.HALT, nil, nil, nil)
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b = vm.NewLine(b, vm.INCMP, []string{"0", "_home"}, nil, nil)
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tpl := "this is bar - an end node"
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return out("bar", b, tpl)
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}
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func baz() error {
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b := []byte{}
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b = vm.NewLine(b, vm.MAP, []string{"inky"}, nil, nil)
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b = vm.NewLine(b, vm.HALT, nil, nil, nil)
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tpl := "this is baz which uses the var {{.inky}} in the template."
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return out("baz", b, tpl)
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}
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func defaultCatch() error {
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b := []byte{}
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b = vm.NewLine(b, vm.MOUT, []string{"0", "back"}, nil, nil)
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b = vm.NewLine(b, vm.HALT, nil, nil, nil)
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b = vm.NewLine(b, vm.MOVE, []string{"_"}, nil, nil)
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tpl := "invalid input"
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return out("_catch", b, tpl)
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}
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func generate() error {
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err := os.MkdirAll(DataDir, 0755)
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if err != nil {
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return err
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}
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fns := []genFunc{root, foo, bar, baz, defaultCatch}
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for _, fn := range fns {
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err = fn()
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if err != nil {
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return err
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}
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}
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return nil
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}
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func Generate() (string, error) {
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dir, err := ioutil.TempDir("", "festive_testdata_")
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if err != nil {
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return "", err
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}
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DataDir = dir
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dirLock = true
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err = generate()
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return dir, err
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}
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func GenerateTo(dir string) error {
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if dirLock {
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return fmt.Errorf("directory already overridden")
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}
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DataDir = dir
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dirLock = true
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return generate()
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}
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