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README.md
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@ -33,7 +33,7 @@ result of a command execution. The command can be passed in one of two formats
command { ... } command { ... }
{ "cmd": command, "payload": ... } { "cmd": command, "payload": ... }
``` ```
The list of available commands can be found in `Pantograph/Commands.lean` and below. An The list of available commands can be found in `Pantograph/Protocol.lean` and below. An
empty command aborts the REPL. empty command aborts the REPL.
The `pantograph` executable must be run with a list of modules to import. It can The `pantograph` executable must be run with a list of modules to import. It can
@ -54,18 +54,18 @@ Example proving a theorem: (alternatively use `goal.start {"copyFrom": "Nat.add_
``` ```
$ pantograph Init $ pantograph Init
goal.start {"expr": "∀ (n m : Nat), n + m = m + n"} goal.start {"expr": "∀ (n m : Nat), n + m = m + n"}
goal.tactic {"goalId": 0, "tactic": "intro n m"} goal.tactic {"stateId": 0, "goalId": 0, "tactic": "intro n m"}
goal.tactic {"goalId": 1, "tactic": "assumption"} goal.tactic {"stateId": 1, "goalId": 0, "tactic": "assumption"}
goal.delete {"goalIds": [0]} goal.delete {"stateIds": [0]}
stat {} stat {}
goal.tactic {"goalId": 1, "tactic": "rw [Nat.add_comm]"} goal.tactic {"stateId": 1, "goalId": 0, "tactic": "rw [Nat.add_comm]"}
stat stat
``` ```
where the application of `assumption` should lead to a failure. where the application of `assumption` should lead to a failure.
## Commands ## Commands
See `Pantograph/Commands.lean` for a description of the parameters and return values in JSON. See `Pantograph/Protocol.lean` for a description of the parameters and return values in JSON.
- `reset`: Delete all cached expressions and proof trees - `reset`: Delete all cached expressions and proof trees
- `expr.echo {"expr": <expr>}`: Determine the type of an expression and round-trip it - `expr.echo {"expr": <expr>}`: Determine the type of an expression and round-trip it
- `lib.catalog`: Display a list of all safe Lean symbols in the current context - `lib.catalog`: Display a list of all safe Lean symbols in the current context
@ -73,10 +73,11 @@ See `Pantograph/Commands.lean` for a description of the parameters and return va
given symbol; If value flag is set, the value is printed or hidden. By default given symbol; If value flag is set, the value is printed or hidden. By default
only the values of definitions are printed. only the values of definitions are printed.
- `options.set { key: value, ... }`: Set one or more options (not Lean options; those - `options.set { key: value, ... }`: Set one or more options (not Lean options; those
have to be set via command line arguments.), for options, see `Pantograph/Commands.lean` have to be set via command line arguments.), for options, see `Pantograph/Protocol.lean`
- `options.print`: Display the current set of options - `options.print`: Display the current set of options
- `goal.start {["name": <name>], ["expr": <expr>], ["copyFrom": <symbol>]}`: Start a new goal from a given expression or symbol - `goal.start {["name": <name>], ["expr": <expr>], ["copyFrom": <symbol>]}`: Start a new goal from a given expression or symbol
- `goal.tactic {"stateId": <id>, "goalId": <id>, ["tactic": <tactic>], ["expr": <expr>]}`: Execute a tactic string on a given goal - `goal.tactic {"stateId": <id>, "goalId": <id>, ["tactic": <tactic>], ["expr": <expr>]}`: Execute a tactic string on a given goal
- `goal.continue {"stateId": <id>, ["branch": <id>], ["goals": <names>]}`: Continue from a proof state
- `goal.remove {"stateIds": [<id>]}"`: Remove a bunch of stored goals. - `goal.remove {"stateIds": [<id>]}"`: Remove a bunch of stored goals.
- `goal.print {"stateId": <id>}"`: Print a goal state - `goal.print {"stateId": <id>}"`: Print a goal state
- `stat`: Display resource usage - `stat`: Display resource usage