1 files changed, 0 insertions, 118 deletions
diff --git a/102persist.cc b/102persist.cc
deleted file mode 100644
index 642385df..00000000
--- a/102persist.cc
+++ /dev/null
@@ -1,118 +0,0 @@
-//: Dead simple persistence.
-//:   'restore' - reads string from a file
-//:   'save' - writes string to a file
-
-:(before "End Primitive Recipe Declarations")
-RESTORE,
-:(before "End Primitive Recipe Numbers")
-put(Recipe_ordinal, "restore", RESTORE);
-:(before "End Primitive Recipe Checks")
-case RESTORE: {
-  if (SIZE(inst.ingredients) != 1) {
-    raise << maybe(get(Recipe, r).name) << "'restore' requires exactly one ingredient, but got '" << inst.original_string << "'\n" << end();
-    break;
-  }
-  string filename;
-  if (is_literal_text(inst.ingredients.at(0))) {
-    ;
-  }
-  else if (is_mu_text(inst.ingredients.at(0))) {
-    ;
-  }
-  else {
-    raise << maybe(get(Recipe, r).name) << "first ingredient of 'restore' should be a string, but got '" << to_string(inst.ingredients.at(0)) << "'\n" << end();
-    break;
-  }
-  break;
-}
-:(before "End Primitive Recipe Implementations")
-case RESTORE: {
-  string filename;
-  if (is_literal_text(current_instruction().ingredients.at(0))) {
-    filename = current_instruction().ingredients.at(0).name;
-  }
-  else if (is_mu_text(current_instruction().ingredients.at(0))) {
-    filename = read_mu_text(ingredients.at(0).at(0));
-  }
-  if (Current_scenario) {
-    // do nothing in tests
-    products.resize(1);
-    products.at(0).push_back(0);
-    break;
-  }
-  string contents = slurp("lesson/"+filename);
-  products.resize(1);
-  if (contents.empty())
-    products.at(0).push_back(0);
-  else
-    products.at(0).push_back(new_mu_text(contents));
-  break;
-}
-
-:(code)
-// http://cpp.indi.frih.net/blog/2014/09/how-to-read-an-entire-file-into-memory-in-cpp
-string slurp(const string& filename) {
-  ifstream fin(filename.c_str());
-  fin.peek();
-  if (!fin) return "";  // don't bother checking errno
-  ostringstream result;
-  result << fin.rdbuf();
-  fin.close();
-  return result.str();
-}
-
-:(before "End Primitive Recipe Declarations")
-SAVE,
-:(before "End Primitive Recipe Numbers")
-put(Recipe_ordinal, "save", SAVE);
-:(before "End Primitive Recipe Checks")
-case SAVE: {
-  if (SIZE(inst.ingredients) != 2) {
-    raise << maybe(get(Recipe, r).name) << "'save' requires exactly two ingredients, but got '" << inst.original_string << "'\n" << end();
-    break;
-  }
-  if (is_literal_text(inst.ingredients.at(0))) {
-    ;
-  }
-  else if (is_mu_text(inst.ingredients.at(0))) {
-    ;
-  }
-  else {
-    raise << maybe(get(Recipe, r).name) << "first ingredient of 'save' should be a string, but got '" << to_string(inst.ingredients.at(0)) << "'\n" << end();
-    break;
-  }
-  if (!is_mu_text(inst.ingredients.at(1))) {
-    raise << maybe(get(Recipe, r).name) << "second ingredient of 'save' should be an address:@:char, but got '" << to_string(inst.ingredients.at(1)) << "'\n" << end();
-    break;
-  }
-  break;
-}
-:(before "End Primitive Recipe Implementations")
-case SAVE: {
-  if (Current_scenario) break;  // do nothing in tests
-  string filename;
-  if (is_literal_text(current_instruction().ingredients.at(0))) {
-    filename = current_instruction().ingredients.at(0).name;
-  }
-  else if (is_mu_text(current_instruction().ingredients.at(0))) {
-    filename = read_mu_text(ingredients.at(0).at(0));
-  }
-  ofstream fout(("lesson/"+filename).c_str());
-  if (!fout) break;
-  string contents = read_mu_text(ingredients.at(1).at(0));
-  fout << contents;
-  fout.close();
-  if (!exists("lesson/.git")) break;
-  // bug in git: git diff -q messes up --exit-code
-  // explicitly say '--all' for git 1.9
-  int status = system("cd lesson; git add --all .; git diff HEAD --exit-code >/dev/null || git commit -a -m . >/dev/null");
-  if (status != 0)
-    raise << "error in commit: contents " << contents << '\n' << end();
-  break;
-}
-
-:(code)
-bool exists(const string& filename) {
-  struct stat dummy;
-  return 0 == stat(filename.c_str(), &dummy);
-}