break() primop; step and go debug commands

2022-02-03 13:15:21 -07:00
parent 990bec78d3
commit 412d58f0bb
4 changed files with 40 additions and 2 deletions
@@ -439,7 +439,11 @@ bool NixRepl::processLine(string line)
             << "  :d <cmd>      Debug mode commands\n"
             << "  :d stack      Show call stack\n"
             << "  :d env        Show env stack\n"
-             << "  :d error      Show current error\n";
+             << "  :d error      Show current error\n"
+             << "  :d go         Go until end of program, exception, or builtins.break().\n"
+             << "  :d step       Go one step\n"
+             ;
+
    }

    else if (command == ":d" || command == ":debug") {
@@ -476,6 +480,16 @@ bool NixRepl::processLine(string line)
                notice("error information not available");
            }
        }
+        else if (arg == "step") {
+            // set flag and exit repl.
+            state->debugStop = true;
+            return false;
+        }
+        else if (arg == "go") {
+            // set flag and exit repl.
+            state->debugStop = false;
+            return false;
+        }
    }

    else if (command == ":a" || command == ":add") {