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authorKartik K. Agaram <vc@akkartik.com>2015-11-13 10:08:57 -0800
committerKartik K. Agaram <vc@akkartik.com>2015-11-13 10:08:57 -0800
commitc603cd6cef43100aa83a62e15f96fd54c9fb987e (patch)
treed8631b1964a0200d170a996314f6e023686ff8de /091run_interactive.cc
parent05d3592047a76db4cc8d77102508c21ca1b86e7b (diff)
downloadmu-c603cd6cef43100aa83a62e15f96fd54c9fb987e.tar.gz
2430 - make room for more transforms
Diffstat (limited to '091run_interactive.cc')
-rw-r--r--091run_interactive.cc452
1 files changed, 452 insertions, 0 deletions
diff --git a/091run_interactive.cc b/091run_interactive.cc
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+++ b/091run_interactive.cc
@@ -0,0 +1,452 @@
+//: Helper for various programming environments: run arbitrary mu code and
+//: return some result in string form.
+
+:(scenario run_interactive_code)
+recipe main [
+  1:number/raw <- copy 0
+  2:address:array:character <- new [1:number/raw <- copy 34]
+  run-interactive 2:address:array:character
+  3:number/raw <- copy 1:number/raw
+]
++mem: storing 34 in location 3
+
+:(scenario run_interactive_empty)
+recipe main [
+  1:address:array:character <- copy 0/raw
+  2:address:array:character <- run-interactive 1:address:array:character
+]
+# result is null
++mem: storing 0 in location 2
+
+//: run code in 'interactive mode', i.e. with errors+warnings off and return:
+//:   stringified output in case we want to print it to screen
+//:   any errors+warnings encountered
+//:   simulated screen any prints went to
+//:   any 'app' layer traces generated
+:(before "End Primitive Recipe Declarations")
+RUN_INTERACTIVE,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "run-interactive", RUN_INTERACTIVE);
+:(before "End Primitive Recipe Checks")
+case RUN_INTERACTIVE: {
+  if (SIZE(inst.ingredients) != 1) {
+    raise_error << maybe(get(Recipe, r).name) << "'run-interactive' requires exactly one ingredient, but got " << inst.to_string() << '\n' << end();
+    break;
+  }
+  if (!is_mu_string(inst.ingredients.at(0))) {
+    raise_error << maybe(get(Recipe, r).name) << "first ingredient of 'run-interactive' should be a string, but got " << inst.ingredients.at(0).to_string() << '\n' << end();
+    break;
+  }
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case RUN_INTERACTIVE: {
+  bool new_code_pushed_to_stack = run_interactive(ingredients.at(0).at(0));
+  if (!new_code_pushed_to_stack) {
+    products.resize(5);
+    products.at(0).push_back(0);
+    products.at(1).push_back(trace_error_warning_contents());
+    products.at(2).push_back(0);
+    products.at(3).push_back(trace_app_contents());
+    products.at(4).push_back(1);  // completed
+    run_code_end();
+    break;  // done with this instruction
+  }
+  else {
+    continue;  // not done with caller; don't increment current_step_index()
+  }
+}
+
+:(before "End Globals")
+bool Track_most_recent_products = false;
+:(before "End Tracing")
+trace_stream* Save_trace_stream = NULL;
+string Save_trace_file;
+:(before "End Setup")
+Track_most_recent_products = false;
+:(code)
+// reads a string, tries to call it as code (treating it as a test), saving
+// all warnings.
+// returns true if successfully called (no errors found during load and transform)
+bool run_interactive(long long int address) {
+  assert(contains_key(Recipe_ordinal, "interactive") && get(Recipe_ordinal, "interactive") != 0);
+  // try to sandbox the run as best you can
+  // todo: test this
+  if (!Current_scenario) {
+    for (long long int i = 1; i < Reserved_for_tests; ++i)
+      Memory.erase(i);
+  }
+  string command = trim(strip_comments(read_mu_string(address)));
+  if (command.empty()) return false;
+  Recipe.erase(get(Recipe_ordinal, "interactive"));
+  Name[get(Recipe_ordinal, "interactive")].clear();
+  run_code_begin();
+  // don't kill the current routine on parse errors
+  routine* save_current_routine = Current_routine;
+  Current_routine = NULL;
+  // call run(string) but without the scheduling
+  load(string("recipe interactive [\n") +
+          "local-scope\n" +
+          "screen:address:screen <- next-ingredient\n" +
+          "$start-tracking-products\n" +
+          command + "\n" +
+          "$stop-tracking-products\n" +
+          "reply screen\n" +
+       "]\n");
+  transform_all();
+  Current_routine = save_current_routine;
+  if (trace_count("error") > 0) return false;
+  // now call 'sandbox' which will run 'interactive' in a separate routine,
+  // and wait for it
+  if (Save_trace_stream) {
+    ++Save_trace_stream->callstack_depth;
+    trace(9999, "trace") << "run-interactive: incrementing callstack depth to " << Save_trace_stream->callstack_depth << end();
+    assert(Save_trace_stream->callstack_depth < 9000);  // 9998-101 plus cushion
+  }
+  Current_routine->calls.push_front(call(get(Recipe_ordinal, "sandbox")));
+  return true;
+}
+
+void run_code_begin() {
+  // stuff to undo later, in run_code_end()
+  Hide_warnings = true;
+  Hide_errors = true;
+  Disable_redefine_warnings = true;
+  Save_trace_stream = Trace_stream;
+  Save_trace_file = Trace_file;
+  Trace_file = "";
+  Trace_stream = new trace_stream;
+  Trace_stream->collect_depth = App_depth;
+}
+
+void run_code_end() {
+  Hide_warnings = false;
+  Hide_errors = false;
+  Disable_redefine_warnings = false;
+  delete Trace_stream;
+  Trace_stream = Save_trace_stream;
+  Save_trace_stream = NULL;
+  Trace_file = Save_trace_file;
+  Save_trace_file.clear();
+}
+
+:(before "End Load Recipes")
+load(string(
+"recipe interactive [\n") +  // just a dummy version to initialize the Recipe_ordinal and so on
+"]\n" +
+"recipe sandbox [\n" +
+  "local-scope\n" +
+  "screen:address:screen/shared <- new-fake-screen 30, 5\n" +
+  "r:number/routine_id <- start-running interactive:recipe, screen\n" +
+  "limit-time r, 100000/instructions\n" +
+  "wait-for-routine r\n" +
+  "sandbox-state:number <- routine-state r/routine_id\n" +
+  "completed?:boolean <- equal sandbox-state, 1/completed\n" +
+  "output:address:array:character <- $most-recent-products\n" +
+  "warnings:address:array:character <- save-errors-warnings\n" +
+  "stashes:address:array:character <- save-app-trace\n" +
+  "$cleanup-run-interactive\n" +
+  "reply output, warnings, screen, stashes, completed?\n" +
+"]\n");
+transform_all();
+recently_added_recipes.clear();
+
+//: adjust errors/warnings in the sandbox
+:(after "string maybe(string s)")
+  if (s == "interactive") return "";
+
+:(scenario run_interactive_comments)
+recipe main [
+  1:address:array:character <- new [# ab
+add 2, 2]
+  2:address:array:character <- run-interactive 1:address:array:character
+  3:array:character <- copy *2:address:array:character
+]
++mem: storing 52 in location 4
+
+:(before "End Primitive Recipe Declarations")
+_START_TRACKING_PRODUCTS,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "$start-tracking-products", _START_TRACKING_PRODUCTS);
+:(before "End Primitive Recipe Checks")
+case _START_TRACKING_PRODUCTS: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case _START_TRACKING_PRODUCTS: {
+  Track_most_recent_products = true;
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+_STOP_TRACKING_PRODUCTS,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "$stop-tracking-products", _STOP_TRACKING_PRODUCTS);
+:(before "End Primitive Recipe Checks")
+case _STOP_TRACKING_PRODUCTS: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case _STOP_TRACKING_PRODUCTS: {
+  Track_most_recent_products = false;
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+_MOST_RECENT_PRODUCTS,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "$most-recent-products", _MOST_RECENT_PRODUCTS);
+:(before "End Primitive Recipe Checks")
+case _MOST_RECENT_PRODUCTS: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case _MOST_RECENT_PRODUCTS: {
+  products.resize(1);
+  products.at(0).push_back(new_mu_string(Most_recent_products));
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+SAVE_ERRORS_WARNINGS,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "save-errors-warnings", SAVE_ERRORS_WARNINGS);
+:(before "End Primitive Recipe Checks")
+case SAVE_ERRORS_WARNINGS: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case SAVE_ERRORS_WARNINGS: {
+  products.resize(1);
+  products.at(0).push_back(trace_error_warning_contents());
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+SAVE_APP_TRACE,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "save-app-trace", SAVE_APP_TRACE);
+:(before "End Primitive Recipe Checks")
+case SAVE_APP_TRACE: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case SAVE_APP_TRACE: {
+  products.resize(1);
+  products.at(0).push_back(trace_app_contents());
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+_CLEANUP_RUN_INTERACTIVE,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "$cleanup-run-interactive", _CLEANUP_RUN_INTERACTIVE);
+:(before "End Primitive Recipe Checks")
+case _CLEANUP_RUN_INTERACTIVE: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case _CLEANUP_RUN_INTERACTIVE: {
+  run_code_end();
+  break;
+}
+
+:(scenario "run_interactive_returns_stringified_result")
+recipe main [
+  # try to interactively add 2 and 2
+  1:address:array:character <- new [add 2, 2]
+  2:address:array:character <- run-interactive 1:address:array:character
+  10:array:character <- copy 2:address:array:character/lookup
+]
+# first letter in the output should be '4' in unicode
++mem: storing 52 in location 11
+
+:(scenario "run_interactive_returns_string")
+recipe main [
+  # try to interactively add 2 and 2
+  1:address:array:character <- new [
+    x:address:array:character <- new [a]
+    y:address:array:character <- new [b]
+    z:address:array:character <- string-append x:address:array:character, y:address:array:character
+  ]
+  2:address:array:character <- run-interactive 1:address:array:character
+  10:array:character <- copy 2:address:array:character/lookup
+]
+# output contains "ab"
++mem: storing 97 in location 11
++mem: storing 98 in location 12
+
+:(scenario "run_interactive_returns_errors")
+recipe main [
+  # run a command that generates an error
+  1:address:array:character <- new [x:number <- copy 34
+get x:number, foo:offset]
+  2:address:array:character, 3:address:array:character <- run-interactive 1:address:array:character
+  10:array:character <- copy 3:address:array:character/lookup
+]
+# error should be "unknown element foo in container number"
++mem: storing 117 in location 11
++mem: storing 110 in location 12
++mem: storing 107 in location 13
++mem: storing 110 in location 14
+# ...
+
+:(scenario run_interactive_with_comment)
+recipe main [
+  # 2 instructions, with a comment after the first
+  1:address:array:number <- new [a:number <- copy 0  # abc
+b:number <- copy 0
+]
+  2:address:array:character, 3:address:array:character <- run-interactive 1:address:array:character
+]
+# no errors
++mem: storing 0 in location 3
+
+:(before "End Globals")
+string Most_recent_products;
+:(before "End Setup")
+Most_recent_products = "";
+:(before "End of Instruction")
+if (Track_most_recent_products) {
+  track_most_recent_products(current_instruction(), products);
+}
+:(code)
+void track_most_recent_products(const instruction& instruction, const vector<vector<double> >& products) {
+  ostringstream out;
+  for (long long int i = 0; i < SIZE(products); ++i) {
+    // string
+    if (i < SIZE(instruction.products)) {
+      if (is_mu_string(instruction.products.at(i))) {
+        if (!scalar(products.at(i))) {
+          tb_shutdown();
+          cerr << read_mu_string(trace_error_warning_contents()) << '\n';
+          cerr << SIZE(products.at(i)) << ": ";
+          for (long long int j = 0; j < SIZE(products.at(i)); ++j)
+            cerr << no_scientific(products.at(i).at(j)) << ' ';
+          cerr << '\n';
+        }
+        assert(scalar(products.at(i)));
+        out << read_mu_string(products.at(i).at(0)) << '\n';
+        continue;
+      }
+      // End Record Product Special-cases
+    }
+    for (long long int j = 0; j < SIZE(products.at(i)); ++j)
+      out << no_scientific(products.at(i).at(j)) << ' ';
+    out << '\n';
+  }
+  Most_recent_products = out.str();
+}
+
+:(code)
+string strip_comments(string in) {
+  ostringstream result;
+  for (long long int i = 0; i < SIZE(in); ++i) {
+    if (in.at(i) != '#') {
+      result << in.at(i);
+    }
+    else {
+      while (i+1 < SIZE(in) && in.at(i+1) != '\n')
+        ++i;
+    }
+  }
+  return result.str();
+}
+
+long long int stringified_value_of_location(long long int address) {
+  // convert to string
+  ostringstream out;
+  out << no_scientific(get_or_insert(Memory, address));
+  return new_mu_string(out.str());
+}
+
+long long int trace_error_warning_contents() {
+  if (!Trace_stream) return 0;
+  ostringstream out;
+  for (vector<trace_line>::iterator p = Trace_stream->past_lines.begin(); p != Trace_stream->past_lines.end(); ++p) {
+    if (p->depth > Warning_depth) continue;
+    out << p->contents;
+    if (*--p->contents.end() != '\n') out << '\n';
+  }
+  string result = out.str();
+  if (result.empty()) return 0;
+  truncate(result);
+  return new_mu_string(result);
+}
+
+long long int trace_app_contents() {
+  if (!Trace_stream) return 0;
+  ostringstream out;
+  for (vector<trace_line>::iterator p = Trace_stream->past_lines.begin(); p != Trace_stream->past_lines.end(); ++p) {
+    if (p->depth != App_depth) continue;
+    out << p->contents;
+    if (*--p->contents.end() != '\n') out << '\n';
+  }
+  string result = out.str();
+  if (result.empty()) return 0;
+  truncate(result);
+  return new_mu_string(result);
+}
+
+void truncate(string& x) {
+  if (SIZE(x) > 512) {
+    x.erase(512);
+    *x.rbegin() = '\n';
+    *++x.rbegin() = '.';
+    *++++x.rbegin() = '.';
+  }
+}
+
+//: simpler version of run-interactive: doesn't do any running, just loads
+//: recipes and reports errors+warnings.
+
+:(before "End Primitive Recipe Declarations")
+RELOAD,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "reload", RELOAD);
+:(before "End Primitive Recipe Checks")
+case RELOAD: {
+  if (SIZE(inst.ingredients) != 1) {
+    raise_error << maybe(get(Recipe, r).name) << "'reload' requires exactly one ingredient, but got " << inst.to_string() << '\n' << end();
+    break;
+  }
+  if (!is_mu_string(inst.ingredients.at(0))) {
+    raise_error << maybe(get(Recipe, r).name) << "first ingredient of 'reload' should be a string, but got " << inst.ingredients.at(0).original_string << '\n' << end();
+    break;
+  }
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case RELOAD: {
+  // clear any containers in advance
+  for (long long int i = 0; i < SIZE(recently_added_types); ++i) {
+    Type_ordinal.erase(get(Type, recently_added_types.at(i)).name);
+    Type.erase(recently_added_types.at(i));
+  }
+  string code = read_mu_string(ingredients.at(0).at(0));
+  run_code_begin();
+  routine* save_current_routine = Current_routine;
+  Current_routine = NULL;
+  vector<recipe_ordinal> recipes_reloaded = load(code);
+  for (long long int i = 0; i < SIZE(recipes_reloaded); ++i) {
+    Name.erase(recipes_reloaded.at(i));
+  }
+  transform_all();
+  Trace_stream->newline();  // flush trace
+  Current_routine = save_current_routine;
+  products.resize(1);
+  products.at(0).push_back(trace_error_warning_contents());
+  run_code_end();  // wait until we're done with the trace contents
+  break;
+}
+
+:(scenario reload_continues_past_error)
+recipe main [
+  local-scope
+  x:address:array:character <- new [recipe foo [
+  get 1234:number, foo:offset
+]]
+  reload x
+  1:number/raw <- copy 34
+]
++mem: storing 34 in location 1