aniva/Pantograph
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Pantograph
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chore: Version 0.3 #136

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17
Makefile Normal file
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@ -0,0 +1,17 @@
LIB := build/lib/Pantograph.olean
EXE := build/bin/pantograph
SOURCE := $(wildcard Pantograph/*.lean) Main.lean Pantograph.lean
TEST_EXE := build/bin/test
TEST_SOURCE := $(wildcard Test/*.lean)
$(LIB) $(EXE): $(SOURCE)
lake build
$(TEST_EXE): $(LIB) $(TEST_SOURCE)
lake build test
test: $(TEST_EXE)
lake env $(TEST_EXE)
.PHONY: test

19
README.md
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@ -6,11 +6,11 @@ An interaction system for Lean 4.
## Installation ## Installation
Install `elan` and `lean4`. Then, execute Install `elan` and `lake`. Execute
``` sh ``` sh
lake build make build/bin/pantograph
``` ```
Then, setup the `LEAN_PATH` environment variable so it contains the library path of lean libraries. The libraries must be built in advance. For example, if `mathlib4` is stored at `../lib/mathlib4`, setup the `LEAN_PATH` environment variable so it contains the library path of lean libraries. The libraries must be built in advance. For example, if `mathlib4` is stored at `../lib/mathlib4`,
``` sh ``` sh
LIB="../lib" LIB="../lib"
LIB_MATHLIB="$LIB/mathlib4/lake-packages" LIB_MATHLIB="$LIB/mathlib4/lake-packages"
@ -18,12 +18,11 @@ export LEAN_PATH="$LIB/mathlib4/build/lib:$LIB_MATHLIB/aesop/build/lib:$LIB_MATH
LEAN_PATH=$LEAN_PATH build/bin/pantograph $@ LEAN_PATH=$LEAN_PATH build/bin/pantograph $@
``` ```
Note that `lean-toolchain` must be present in the `$PWD` in order to run Pantograph! This is because Pantograph taps into Lean's internals.
## Usage ## Usage
``` sh ``` sh
build/bin/pantograph MODULES|LEAN_OPTIONS pantograph MODULES|LEAN_OPTIONS
``` ```
The REPL loop accepts commands as single-line JSON inputs and outputs either an The REPL loop accepts commands as single-line JSON inputs and outputs either an
@ -36,23 +35,23 @@ command { ... }
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/Commands.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
also accept lean options of the form `--key=value` e.g. `--pp.raw=true`. also accept lean options of the form `--key=value` e.g. `--pp.raw=true`.
Example: (~5k symbols) Example: (~5k symbols)
``` ```
$ build/bin/Pantograph Init $ pantograph Init
lib.catalog lib.catalog
lib.inspect {"name": "Nat.le_add_left"} lib.inspect {"name": "Nat.le_add_left"}
``` ```
Example with `mathlib4` (~90k symbols, may stack overflow, see troubleshooting) Example with `mathlib4` (~90k symbols, may stack overflow, see troubleshooting)
``` ```
$ lake env build/bin/Pantograph Mathlib.Analysis.Seminorm $ pantograph Mathlib.Analysis.Seminorm
lib.catalog lib.catalog
``` ```
Example proving a theorem: (alternatively use `goal.start {"copyFrom": "Nat.add_comm"}`) to prime the proof Example proving a theorem: (alternatively use `goal.start {"copyFrom": "Nat.add_comm"}`) to prime the proof
``` ```
$ env build/bin/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 {"goalId": 0, "tactic": "intro n m"}
goal.tactic {"goalId": 1, "tactic": "assumption"} goal.tactic {"goalId": 1, "tactic": "assumption"}
@ -106,5 +105,5 @@ ulimit -s unlimited
The tests are based on `LSpec`. To run tests, The tests are based on `LSpec`. To run tests,
``` sh ``` sh
test/all.sh make test
``` ```

3
Test/all.sh
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@ -1,3 +0,0 @@
#!/bin/bash
lake build test && lake env build/bin/test