go-vise

Constrained Size Output Virtual Machine
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commit ed9cd8d7b4eb3c2514bae671a40d2b568eeafe3f
parent 8258b9a5d81241fc0a318024d9f92ab97eb82722
Author: lash <dev@holbrook.no>
Date:   Sun, 16 Apr 2023 09:12:47 +0100

WIP terminating example for profile data entered

Diffstat:
Mexamples/profile/entry_email.vis | 1-
Mexamples/profile/entry_name.vis | 1-
Mexamples/profile/main.go | 78+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------
Mexamples/profile/root.vis | 4+++-
4 files changed, 72 insertions(+), 12 deletions(-)

diff --git a/examples/profile/entry_email.vis b/examples/profile/entry_email.vis @@ -1,4 +1,3 @@ -LOAD myemail 32 MAP myemail MOUT 0 "abort" HALT diff --git a/examples/profile/entry_name.vis b/examples/profile/entry_name.vis @@ -1,4 +1,3 @@ -LOAD myname 32 MAP myname MOUT 0 "abort" HALT diff --git a/examples/profile/main.go b/examples/profile/main.go @@ -18,25 +18,84 @@ import ( ) const ( - USERFLAG_IDENTIFIED = iota + state.FLAG_USERSTART + USERFLAG_IDENTIFIED = iota + 8 + USERFLAG_HAVENAME + USERFLAG_HAVEEMAIL ) var ( baseDir = testdataloader.GetBasePath() scriptDir = path.Join(baseDir, "examples", "profile") + emptyResult = resource.Result{} ) -func nameSave(sym string, input []byte, ctx context.Context) (resource.Result, error) { +type profileResource struct { + *resource.FsResource + st *state.State + haveEntered bool +} + +func newProfileResource(st *state.State, rs *resource.FsResource) *profileResource { + return &profileResource{ + rs, + st, + false, + } +} + +func(pr *profileResource) checkEntry() error { + if pr.haveEntered { + return nil + } + one, err := pr.st.GetFlag(USERFLAG_HAVENAME) + if err != nil { + return err + } + two, err := pr.st.GetFlag(USERFLAG_HAVEEMAIL) + if err != nil { + return err + } + if one && two { + _, err = pr.st.SetFlag(USERFLAG_IDENTIFIED) + if err != nil { + return err + } + pr.haveEntered = true + } + return nil +} + +func(pr profileResource) nameSave(sym string, input []byte, ctx context.Context) (resource.Result, error) { log.Printf("writing name to file") fp := path.Join(scriptDir, "myname.txt") err := ioutil.WriteFile(fp, input, 0600) - return resource.Result{}, err + if err != nil { + return emptyResult, err + } + changed, err := pr.st.SetFlag(USERFLAG_HAVENAME) + if err != nil { + return emptyResult, err + } + if changed { + pr.checkEntry() + } + return emptyResult, err } -func emailSave(sym string, input []byte, ctx context.Context) (resource.Result, error) { +func(pr profileResource) emailSave(sym string, input []byte, ctx context.Context) (resource.Result, error) { log.Printf("writing email to file") fp := path.Join(scriptDir, "myemail.txt") err := ioutil.WriteFile(fp, input, 0600) + if err != nil { + return emptyResult, err + } + changed, err := pr.st.SetFlag(USERFLAG_HAVEEMAIL) + if err != nil { + return emptyResult, err + } + if changed { + pr.checkEntry() + } return resource.Result{}, err } @@ -51,10 +110,11 @@ func main() { flag.Parse() fmt.Fprintf(os.Stderr, "starting session at symbol '%s' using resource dir: %s\n", root, dir) - st := state.NewState(1) - rs := resource.NewFsResource(scriptDir) - rs.AddLocalFunc("do_name_save", nameSave) - rs.AddLocalFunc("do_email_save", emailSave) + st := state.NewState(3) + rsf := resource.NewFsResource(scriptDir) + rs := newProfileResource(&st, &rsf) + rs.AddLocalFunc("do_name_save", rs.nameSave) + rs.AddLocalFunc("do_email_save", rs.emailSave) ca := cache.NewCache() cfg := engine.Config{ Root: "root", @@ -62,7 +122,7 @@ func main() { OutputSize: uint32(size), } ctx := context.Background() - en, err := engine.NewEngine(cfg, &st, &rs, ca, ctx) + en, err := engine.NewEngine(cfg, &st, rs, ca, ctx) if err != nil { fmt.Fprintf(os.Stderr, "engine create fail: %v\n", err) os.Exit(1) diff --git a/examples/profile/root.vis b/examples/profile/root.vis @@ -1,3 +1,5 @@ -CATCH identified 9 0 +LOAD myname 64 +LOAD myemail 64 +CATCH identified 8 0 DOWN entry_name 0 "name" DOWN entry_email 1 "email"