Muf language simulator and debugger.
An offline simulator, debugger, and IDE for the MUF and MUV languages, with GUI and command-line interfaces.
This is not a perfect simulator of a full MUCK. This does not simulate all permissions and behaviours. It is, however, a useful way to make sure that you are manipulating the stack properly, and to debug and test programs that don’t need some of the more unusual parts of MUF.
Unpack the MufSimWin64.zip archive and place the resulting MufSim.exe binary someplace useful.
Unpack the MufSimOSX64.zip archive and place the resulting MufSim.app application bundle in the /Applications folder.
Install using PyPi:
pip install mufsim
Installing from sources:
python3 setup.py build install
Using the GUI Debugger
Run the MufSim.exe binary to launch the GUI Debugger/IDE.
Open the MufSim.app application bundle to launch the GUI Debugger/IDE.
Run the mufsimgui binary to launch the GUI Debugger/IDE.
Using the Command-Line Debugger
mufsim [-h] [-u] [-r] [-t] [-d] [-c COMMAND] [-e TEXTENTRY] [-f TEXTFILE] [-p REGNAME FILE] infile
|infile||Name of MUF source file to use as input.|
|-h, –help||Show help message and exit.|
|-u, –uncompile||Show compiled MUF tokens.|
|-r, –run||Run compiled MUF program.|
|-t, –trace||Show stacktrace for each instruction.|
|-d, –debug||Run MUF program in interactive debugger.|
|-c TEXT, –command TEXT||Specify text to push onto the stack for run.|
|-e TEXT, –textentry TEXT||Text line to feed to READs. (multiple allowed)|
|-f FILE, –textfile FILE||File of text lines to feed to READs.|
|-p NAME FILE, –program NAME FILE||Create extra prog from FILE, registered as $NAME.|
|–timing||Show run execution timing.|
The interactive MUF debugger (in both the command-line and GUI) accepts the following commands:
|where||Display the call stack.|
|stack||Show all data stack items.|
|stack DEPTH||Show top DEPTH data stack items.|
|list||List next few source code lines.|
|list LINE||List source code line.|
|list LINE,LINE||List source code between LINEs.|
|list FUNC||List source code at beginning of FUNC.|
|break LINE||Set breakpoint at line.|
|break FUNC||Set breakpoint at func.|
|delete BREAKNUM||Delete a breakpoint.|
|show breakpoints||Show current breakpoints.|
|show functions||List all declared functions.|
|show globals||Show all global variables.|
|show vars||Show all current function variables.|
|step||Step one line, going into calls.|
|step COUNT||Step COUNT lines, going into calls.|
|next||Step one line, skipping over calls.|
|next COUNT||Step COUNT lines, skipping over calls.|
|finish||Finish the current function.|
|cont||Continue until next breakpoint.|
|pop||Pop top data stack item.|
|dup||Duplicate top data stack item.|
|swap||Swap top two data stack items.|
|rot||Rot top three data stack items.|
|push VALUE||Push VALUE onto top of data stack.|
|print VARIABLE||Print the value in the given variable.|
|trace||Turn on tracing of each instr.|
|notrace||Turn off tracing if each instr.|
|run COMMANDARG||Re-run program, with COMMANDARG.|
You can add extra library program objects, by using the -p command- line argument, or by opening the extra library MUF files in the GUI app. For example, if you have the following MUF files:
$version 1.000 $lib-version 1.000 : foo[ s -- ] me @ s @ "foo" strcat notify ; public foo $libdef foo
$include $lib/foo : main[ arg -- ] "Blah" foo ;
You can run them in the command-line debugger like this:
mufsim -r -p lib/foo lib-foo.muf cmd-test.muf
External Client Connections
You can connect and log into a player object from an external client, to test things like MCP and MCPGUI programs. To do so, (assuming you’re on the same machine you’re running MufSim on) simply connect to localhost, port 8888, and connect to the test user John_Doe with the password password. Or:
telnet localhost 8888 connect John_Doe password
There are a few simple building and chat MUCK commands like @dig, @link, say, pose, etc. You can also interact with MUF programs doing READs or using MCP.
The Simulated MUCK Database
A small database is simulated to be able to support various property and database related primitives. This database is as follows:
Room: Global Environment Room(#0R) Owner: Wizard(#1PWM3) Properties: _defs/.tell: "me @ swap notify" Player: Wizard(#1PWM3) Location: Global Environment Room(#0R) Home: Global Environment Room(#0R) Descriptor: 3 (First online.) Password: potrzebie Properties: sex: "male" Room: Test Chamber #2(#2R) Owner: Wizard(#1PWM3) Registered: $mainroom Properties: _/de:<Description> Exit: test(#3E) Owner: Wizard(#1PWM3) Location: Test Chamber #2(#2R) Linked to: cmd-test(#4FM3) Program: cmd-test(#4FM3) Owner: Wizard(#1PWM3) Location: Wizard(#1PWM3) Registered: $cmd/test Note: The first program file is loaded into this program object. Player: John_Doe(#5PM3) Location: Test Chamber #2(#2R) Home: Test Chamber #2(#2R) Password: password Properties: _/de:<Description> sex: "male" test#: 5 test#/1: "This is line one." test#/2: "This is line two." test#/3: "This is line three." test#/4: "This is line four." test#/5: "This is line five." abc: "prop_abc" abc/def: "prop_def" abc/efg: "prop_efg" abc/efg/hij: "prop_hij" abc/efg/klm: "prop_klm" abc/nop/qrs: "prop_qrs" abc/nop/tuv: "prop_tuv" Player: Jane_Doe(#6PM1) Location: Test Chamber #2(#2R) Home: Test Chamber #2(#2R) Password: password Properties: _/de:<Description> sex: "female" Thing: Test Cube(#7) Location: Test Chamber #2(#2R) Properties: _/de:<Description>
As MUF programs are loaded into the GUI debugger/IDE, new programs will be created for them. The same applies for extra programs loaded via -p in the command-line debugger. If you really need to, you can connect to a one of the players in the DB using an external cnnection, and you can use many of the standard MUCK building commands like @dig, @action, @pcreate, @link or similar.
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