Compare commits
3
Commits
| Author | SHA1 | Date | |
|---|---|---|---|
 navelbuffle
|
d38937095e | ||
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navelbuffle
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7d74d84717 | ||
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navelbuffle
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ce1cc8adad |
@@ -4,3 +4,4 @@ onchain/out/
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offchain/target/
|
||||
|
||||
.direnv
|
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.env
|
||||
|
||||
Generated
+123
-127
@@ -70,9 +70,9 @@ dependencies = [
|
||||
|
||||
[[package]]
|
||||
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|
||||
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||||
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||||
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|
||||
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|
||||
"alloy-rlp",
|
||||
"bytes",
|
||||
@@ -81,6 +81,7 @@ dependencies = [
|
||||
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|
||||
"foldhash",
|
||||
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|
||||
"hex-literal",
|
||||
"indexmap",
|
||||
"itoa",
|
||||
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||||
@@ -114,7 +115,7 @@ checksum = "5a833d97bf8a5f0f878daf2c8451fff7de7f9de38baa5a45d936ec718d81255a"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
[[package]]
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||||
@@ -264,13 +265,13 @@ dependencies = [
|
||||
|
||||
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|
||||
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|
||||
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||||
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||||
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|
||||
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||||
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|
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|
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|
||||
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[[package]]
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||||
@@ -302,7 +303,7 @@ checksum = "3c87f3f15e7794432337fc718554eaa4dc8f04c9677a950ffe366f20a162ae42"
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|
||||
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|
||||
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|
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[[package]]
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@@ -379,9 +380,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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||||
|
||||
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||||
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||||
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||||
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||||
[[package]]
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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@@ -774,7 +775,7 @@ checksum = "62d671cc41a825ebabc75757b62d3d168c577f9149b2d49ece1dad1f72119d25"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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@@ -794,7 +795,7 @@ checksum = "cb7330aeadfbe296029522e6c40f315320aba36fc43a5b3632f3795348f3bd22"
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||||
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|
||||
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||||
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|
||||
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||||
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|
||||
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|
||||
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||||
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||||
@@ -869,7 +870,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
[[package]]
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||||
@@ -961,7 +962,7 @@ checksum = "2f9ed6b3789237c8a0c1c505af1c7eb2c560df6186f01b098c3a1064ea532f38"
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||||
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||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
@@ -1116,7 +1117,7 @@ dependencies = [
|
||||
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|
||||
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|
||||
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|
||||
"syn 2.0.96",
|
||||
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|
||||
"toml",
|
||||
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|
||||
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|
||||
@@ -1134,7 +1135,7 @@ dependencies = [
|
||||
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|
||||
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|
||||
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|
||||
"syn 2.0.96",
|
||||
"syn 2.0.91",
|
||||
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|
||||
|
||||
[[package]]
|
||||
@@ -1160,7 +1161,7 @@ dependencies = [
|
||||
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|
||||
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|
||||
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|
||||
"syn 2.0.96",
|
||||
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|
||||
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||||
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|
||||
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||||
@@ -1477,7 +1478,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
|
||||
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|
||||
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|
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|
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"syn 2.0.96",
|
||||
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||||
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|
||||
|
||||
[[package]]
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||||
@@ -1559,9 +1560,9 @@ checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
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||||
|
||||
[[package]]
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||||
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|
||||
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||||
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@@ -1641,6 +1642,12 @@ version = "0.4.3"
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|
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@@ -1846,7 +1853,7 @@ checksum = "1ec89e9337638ecdc08744df490b221a7399bf8d164eb52a665454e60e075ad6"
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||||
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|
||||
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@@ -1905,7 +1912,7 @@ checksum = "a0eb5a3343abf848c0984fe4604b2b105da9539376e24fc0a3b0007411ae4fd9"
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||||
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||||
[[package]]
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||||
@@ -1983,9 +1990,9 @@ dependencies = [
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||||
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@@ -2095,15 +2102,15 @@ version = "0.1.3"
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[[package]]
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@@ -2283,7 +2290,7 @@ dependencies = [
|
||||
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|
||||
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|
||||
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|
||||
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@@ -2462,7 +2469,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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@@ -2488,35 +2495,35 @@ dependencies = [
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||||
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[[package]]
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|
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@@ -2656,7 +2663,7 @@ checksum = "b4c2511913b88df1637da85cc8d96ec8e43a3f8bb8ccb71ee1ac240d6f3df58d"
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@@ -2676,9 +2683,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
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||||
name = "gp_tester"
|
||||
path = "src/bin/gp_tester.rs"
|
||||
|
||||
[[bin]]
|
||||
name = "gp_spec_tester"
|
||||
path = "src/bin/gp_spec_tester.rs"
|
||||
|
||||
[[bin]]
|
||||
name = "symreg_experiment"
|
||||
path = "src/bin/symreg_experiment.rs"
|
||||
|
||||
[[bin]]
|
||||
name = "symreg_experiment_local"
|
||||
path = "src/bin/symreg_experiment_local.rs"
|
||||
|
||||
[dependencies]
|
||||
serde = { version = "1.0", features = ["derive"] }
|
||||
serde_json = "1.0"
|
||||
|
||||
@@ -1,36 +0,0 @@
|
||||
use anyhow::Result;
|
||||
use rand::thread_rng;
|
||||
use rand::Rng;
|
||||
|
||||
// Suppose you have these in your library:
|
||||
use offchain::gp::generate_spec::ranmdom_code_fixed;
|
||||
use offchain::gp::mutation::mutate_by_index;
|
||||
use offchain::compiler::ast::UntypedAst;
|
||||
|
||||
fn main() -> Result<()> {
|
||||
let mut rng = thread_rng();
|
||||
|
||||
// We'll produce, say, 3 random ASTs ("subjects").
|
||||
let num_subjects = 3;
|
||||
let max_points = 6;
|
||||
|
||||
for i in 0..num_subjects {
|
||||
// Generate a random AST
|
||||
let original = ranmdom_code_fixed(&mut rng, max_points);
|
||||
println!("=== Subject #{} ===", i);
|
||||
println!("Original AST:\n{:#?}", original);
|
||||
|
||||
// Let's do 2 successive mutations on it
|
||||
let mut prev = original.clone();
|
||||
for mut_idx in 0..2 {
|
||||
let mutated = mutate_by_index(&prev, &mut rng, max_points);
|
||||
println!("Mutation #{} result:\n{:#?}", mut_idx, mutated);
|
||||
prev = mutated; // so the next iteration mutates from the last result
|
||||
}
|
||||
|
||||
println!("=== End of Subject #{} ===\n", i);
|
||||
}
|
||||
|
||||
println!("Done generating & mutating random ASTs!");
|
||||
Ok(())
|
||||
}
|
||||
@@ -1,91 +0,0 @@
|
||||
// src/bin/gp_tester.rs
|
||||
|
||||
use anyhow::{anyhow, bail, Result};
|
||||
use rand::{thread_rng, Rng};
|
||||
|
||||
// 1) We'll use the helper that reads creation code from a JSON artifact
|
||||
use offchain::helpers::artifact::get_creation_code;
|
||||
|
||||
// 2) EvmRunner to deploy & run the interpreter
|
||||
use offchain::runner::revm_runner::EvmRunner;
|
||||
|
||||
// 3) AST generation & mutation
|
||||
use offchain::gp::generate::random_ast;
|
||||
use offchain::gp::genetic_ops::mutated_ast;
|
||||
use offchain::compiler::ast::UntypedAst;
|
||||
|
||||
fn main() -> Result<()> {
|
||||
// ----------------------------------------------------------------------
|
||||
// 1) Read the creation code (Push3Interpreter) using our helper function
|
||||
// ----------------------------------------------------------------------
|
||||
let creation_hex_filename = "../onchain/out/Push3Interpreter.sol/Push3Interpreter.json";
|
||||
let creation_bytes = get_creation_code(creation_hex_filename)?;
|
||||
println!(
|
||||
"Loaded creation code from {} ({} bytes)",
|
||||
creation_hex_filename,
|
||||
creation_bytes.len()
|
||||
);
|
||||
|
||||
// 2) Create the ephemeral EVM (deploy the contract)
|
||||
let mut runner = EvmRunner::new(creation_bytes)?;
|
||||
println!("Deployed test interpreter at: 0x{:x}\n", runner.interpreter_addr);
|
||||
|
||||
// 3) We'll generate random ASTs & mutate them
|
||||
let number_of_programs = 3; // how many random ASTs to try
|
||||
let max_depth = 4; // max AST depth
|
||||
let mut rng = thread_rng();
|
||||
|
||||
for i in 0..number_of_programs {
|
||||
// a) Generate a random AST
|
||||
let ast: UntypedAst = random_ast(&mut rng, 0, max_depth);
|
||||
|
||||
println!("=== Program {} ===", i);
|
||||
println!("Random AST:\n{:#?}", ast);
|
||||
|
||||
// b) Run the original AST
|
||||
match runner.run_ast(&ast) {
|
||||
Ok(outputs) => {
|
||||
println!("Original AST ran successfully!");
|
||||
println!("Final CODE stack: {:?}", outputs.final_code_stack);
|
||||
println!("Final EXEC stack: {:?}", outputs.final_exec_stack);
|
||||
println!("Final INT stack: {:?}", outputs.final_int_stack);
|
||||
|
||||
// c) Mutate it a few times
|
||||
let mutated1 = mutated_ast(&ast, &mut rng, 0, max_depth);
|
||||
println!("\n-- MUTATED 1 --\n{:#?}", mutated1);
|
||||
|
||||
match runner.run_ast(&mutated1) {
|
||||
Ok(m1_out) => {
|
||||
println!("MUTATED 1 ran successfully!");
|
||||
println!("Final INT stack: {:?}", m1_out.final_int_stack);
|
||||
}
|
||||
Err(e) => {
|
||||
println!("MUTATED 1 error: {}", e);
|
||||
}
|
||||
}
|
||||
|
||||
let mutated2 = mutated_ast(&ast, &mut rng, 0, max_depth);
|
||||
println!("\n-- MUTATED 2 --\n{:#?}", mutated2);
|
||||
|
||||
match runner.run_ast(&mutated2) {
|
||||
Ok(m2_out) => {
|
||||
println!("MUTATED 2 ran successfully!");
|
||||
println!("Final INT stack: {:?}", m2_out.final_int_stack);
|
||||
}
|
||||
Err(e) => {
|
||||
println!("MUTATED 2 error: {}", e);
|
||||
}
|
||||
}
|
||||
}
|
||||
Err(e) => {
|
||||
// If the original fails, we won't bother mutating it
|
||||
println!("Original AST error: {}", e);
|
||||
}
|
||||
}
|
||||
|
||||
println!("=== End of Program {} ===\n", i);
|
||||
}
|
||||
|
||||
println!("Finished running & mutating {} random programs.", number_of_programs);
|
||||
Ok(())
|
||||
}
|
||||
@@ -1,223 +0,0 @@
|
||||
// src/bin/symreg_experiment.rs
|
||||
|
||||
use anyhow::Result;
|
||||
use rand::{thread_rng, Rng};
|
||||
|
||||
// Our GP + compiler modules (adjust paths as needed)
|
||||
use offchain::compiler::ast::{UntypedAst, Push3Ast};
|
||||
use offchain::helpers::artifact::get_creation_code;
|
||||
use offchain::runner::revm_runner::{
|
||||
EvmRunner,
|
||||
Push3InterpreterInputs,
|
||||
};
|
||||
use offchain::compiler::push3_describtor::make_sublist_descriptor;
|
||||
|
||||
// Our GP operators
|
||||
use offchain::gp::generate_spec::ranmdom_code_fixed;
|
||||
use offchain::gp::mutation::{mutate_by_index, crossover_by_index};
|
||||
|
||||
// Ethers + ABI
|
||||
use ethers::types::U256;
|
||||
use ethers::abi::{encode, Token};
|
||||
|
||||
/// 1) Generate (x, y) samples for f(x)=3x^2 + x + 3
|
||||
fn generate_samples() -> Vec<(i32, i32)> {
|
||||
let mut samples = Vec::new();
|
||||
for x in -5..=5 {
|
||||
let y = 3 * x * x + x + 3;
|
||||
samples.push((x, y));
|
||||
}
|
||||
samples
|
||||
}
|
||||
|
||||
/// 2) Evaluate a single AST on a single input `x` by
|
||||
/// pushing `x` onto the int stack, running in EVM,
|
||||
/// and reading the final top of the int stack.
|
||||
fn evaluate_ast_on_x(
|
||||
runner: &mut EvmRunner,
|
||||
ast: &UntypedAst,
|
||||
x: i32,
|
||||
) -> i32 {
|
||||
// a) Convert AST => push3 bytecode
|
||||
let code_bytes = ast.to_bytecode();
|
||||
let code_len = code_bytes.len() as u32;
|
||||
|
||||
// b) Build a sublist descriptor
|
||||
let descriptor = make_sublist_descriptor(0, code_len);
|
||||
|
||||
// c) Provide x in `init_int_stack`
|
||||
let inputs = Push3InterpreterInputs {
|
||||
code: code_bytes,
|
||||
init_code_stack: Vec::new(),
|
||||
init_exec_stack: vec![descriptor],
|
||||
init_int_stack: vec![x as i128],
|
||||
};
|
||||
|
||||
// d) Actually run the interpreter
|
||||
let outputs = match runner.run_interpreter(&inputs) {
|
||||
Ok(o) => o,
|
||||
Err(_) => {
|
||||
// If the call fails or reverts, return 0
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
// e) If final_int_stack is empty => 0, else top item
|
||||
if outputs.final_int_stack.is_empty() {
|
||||
i32::MAX
|
||||
} else {
|
||||
*outputs.final_int_stack.last().unwrap() as i32
|
||||
}
|
||||
}
|
||||
|
||||
/// 3) Evaluate an AST on all (x, y) samples => compute MSE
|
||||
fn evaluate_fitness(
|
||||
runner: &mut EvmRunner,
|
||||
ast: &UntypedAst,
|
||||
samples: &[(i32, i32)]
|
||||
) -> f64 {
|
||||
let mut error_sum = 0.0;
|
||||
for &(x, target_y32) in samples {
|
||||
// cast to i64
|
||||
let target_y = target_y32 as i64;
|
||||
|
||||
// evaluate in i64 as well
|
||||
let predicted_i64 = evaluate_ast_on_x(runner, ast, x) as i64;
|
||||
|
||||
let diff = predicted_i64.wrapping_sub(target_y);
|
||||
// or you could saturating_sub if you prefer
|
||||
|
||||
error_sum += (diff as f64) * (diff as f64);
|
||||
}
|
||||
error_sum / samples.len() as f64
|
||||
}
|
||||
|
||||
|
||||
fn main() -> Result<()> {
|
||||
// 1) Generate samples for f(x)=3x^2 + x + 3
|
||||
let samples = generate_samples();
|
||||
|
||||
// 2) Create ephemeral EVM runner for the interpreter
|
||||
let creation_hex_filename = "../onchain/out/Push3Interpreter.sol/Push3Interpreter.json";
|
||||
let creation_bytes = get_creation_code(creation_hex_filename)?;
|
||||
let mut runner = EvmRunner::new(creation_bytes)?;
|
||||
|
||||
// 3) GP parameters
|
||||
let pop_size = 4000; // must be divisible by 4 for our scheme
|
||||
let generations = 100;
|
||||
let early_stop_threshold = 1.0;
|
||||
let max_points = 20;
|
||||
|
||||
assert_eq!(pop_size % 4, 0, "pop_size must be multiple of 4 for our scheme");
|
||||
let quarter = pop_size / 4;
|
||||
|
||||
let mut rng = thread_rng();
|
||||
|
||||
// 4) Initialize population (random)
|
||||
let mut population: Vec<UntypedAst> = (0..pop_size)
|
||||
.map(|_| ranmdom_code_fixed(&mut rng, max_points))
|
||||
.collect();
|
||||
|
||||
// 5) Main GP loop
|
||||
for gen in 0..generations {
|
||||
// (a) Evaluate
|
||||
let mut scored: Vec<(UntypedAst, f64)> = population.into_iter()
|
||||
.map(|ast| {
|
||||
let err = evaluate_fitness(&mut runner, &ast, &samples);
|
||||
(ast, err)
|
||||
})
|
||||
.collect();
|
||||
|
||||
// (b) Sort ascending by error
|
||||
scored.sort_by(|a, b| a.1.partial_cmp(&b.1).unwrap());
|
||||
|
||||
// (c) Print generation summary
|
||||
let best_err = scored[0].1;
|
||||
println!("\n=== Generation {gen} ===");
|
||||
println!("Best error = {best_err}");
|
||||
|
||||
// Print top 5 subjects in pretty format
|
||||
// let top_n = 5.min(scored.len());
|
||||
// println!("Top {top_n} subjects:");
|
||||
// for i in 0..top_n {
|
||||
// println!(
|
||||
// " #{i}, err={}, AST:\n{:#?}",
|
||||
// scored[i].1,
|
||||
// scored[i].0
|
||||
// );
|
||||
// }
|
||||
|
||||
// early stop?
|
||||
if best_err < early_stop_threshold {
|
||||
println!("Best error < {early_stop_threshold}, stopping early!");
|
||||
// we can keep 'scored' for final if we want
|
||||
population = scored.into_iter().map(|(a, _)| a).collect();
|
||||
break;
|
||||
}
|
||||
|
||||
// (d) Reproduction => build new population
|
||||
let mut new_pop = Vec::with_capacity(pop_size);
|
||||
|
||||
// keep best quarter
|
||||
for i in 0..quarter {
|
||||
new_pop.push(scored[i].0.clone());
|
||||
}
|
||||
|
||||
// add random quarter
|
||||
for _ in 0..quarter {
|
||||
let fresh = ranmdom_code_fixed(&mut rng, max_points);
|
||||
new_pop.push(fresh);
|
||||
}
|
||||
|
||||
// crossover quarter
|
||||
let top_half_count = scored.len() / 2;
|
||||
let crossover_pairs = quarter / 2; // each yields 2 kids => quarter total
|
||||
for _ in 0..crossover_pairs {
|
||||
let idx1 = rng.gen_range(0..top_half_count);
|
||||
let idx2 = rng.gen_range(0..top_half_count);
|
||||
let (child1, child2) = crossover_by_index(
|
||||
&scored[idx1].0,
|
||||
&scored[idx2].0,
|
||||
&mut rng
|
||||
);
|
||||
new_pop.push(child1);
|
||||
new_pop.push(child2);
|
||||
}
|
||||
|
||||
// mutate quarter
|
||||
while new_pop.len() < pop_size {
|
||||
let idx = rng.gen_range(0..top_half_count);
|
||||
let mutated = mutate_by_index(&scored[idx].0, &mut rng, max_points);
|
||||
new_pop.push(mutated);
|
||||
}
|
||||
|
||||
population = new_pop;
|
||||
}
|
||||
|
||||
// 6) Final population => evaluate & sort, then print only top 10
|
||||
println!("\n=== Final Population (Top 10) ===");
|
||||
|
||||
// a) Evaluate each item in the final population
|
||||
let mut final_scored: Vec<(UntypedAst, f64)> = population
|
||||
.into_iter()
|
||||
.map(|ast| {
|
||||
let err = evaluate_fitness(&mut runner, &ast, &samples);
|
||||
(ast, err)
|
||||
})
|
||||
.collect();
|
||||
|
||||
// b) Sort ascending by error
|
||||
final_scored.sort_by(|a, b| a.1.partial_cmp(&b.1).unwrap());
|
||||
|
||||
// c) Print the top 10 (or fewer if the population is smaller)
|
||||
let top_n = 10.min(final_scored.len());
|
||||
for i in 0..top_n {
|
||||
let (ref ast, err) = final_scored[i];
|
||||
println!(
|
||||
"Subject #{i}, err={err}, AST:\n{:#?}",
|
||||
ast
|
||||
);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
@@ -1,202 +0,0 @@
|
||||
// src/bin/symreg_experiment_local.rs
|
||||
|
||||
use anyhow::Result;
|
||||
use rand::{thread_rng, Rng};
|
||||
|
||||
// Our GP + compiler modules (adjust paths if needed)
|
||||
use offchain::compiler::ast::{UntypedAst, Push3Ast};
|
||||
use offchain::helpers::artifact::get_creation_code;
|
||||
use offchain::runner::revm_runner::{EvmRunner, Push3InterpreterInputs};
|
||||
use offchain::compiler::push3_describtor::make_sublist_descriptor;
|
||||
|
||||
// Our random code and local mutation
|
||||
use offchain::gp::generate_spec::ranmdom_code_fixed;
|
||||
use offchain::gp::local_mutation::local_mutation_fixed;
|
||||
|
||||
// Ethers + ABI
|
||||
use ethers::types::U256;
|
||||
use ethers::abi::{encode, Token};
|
||||
|
||||
/// 1) Generate (x, y) samples for f(x) = 3x^2 + x + 3
|
||||
fn generate_samples() -> Vec<(i32, i32)> {
|
||||
let mut samples = Vec::new();
|
||||
for x in -5..=5 {
|
||||
let y = 3 * x * x + x + 3;
|
||||
samples.push((x, y));
|
||||
}
|
||||
samples
|
||||
}
|
||||
|
||||
/// 2) Evaluate a single AST on a single input `x`, returning the final top of the int stack.
|
||||
fn evaluate_ast_on_x(
|
||||
runner: &mut EvmRunner,
|
||||
ast: &UntypedAst,
|
||||
x: i32,
|
||||
) -> i32 {
|
||||
// Convert AST => push3 bytecode
|
||||
let code_bytes = ast.to_bytecode();
|
||||
let code_len = code_bytes.len() as u32;
|
||||
|
||||
// Build a sublist descriptor
|
||||
let descriptor = make_sublist_descriptor(0, code_len);
|
||||
|
||||
// Provide x in `init_int_stack`
|
||||
let inputs = Push3InterpreterInputs {
|
||||
code: code_bytes,
|
||||
init_code_stack: Vec::new(),
|
||||
init_exec_stack: vec![descriptor],
|
||||
init_int_stack: vec![x as i128],
|
||||
};
|
||||
|
||||
// Run
|
||||
let outputs = match runner.run_interpreter(&inputs) {
|
||||
Ok(o) => o,
|
||||
Err(_) => {
|
||||
// If revert => 0
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
if outputs.final_int_stack.is_empty() {
|
||||
i32::MAX // or 0, or i32::MAX to strongly penalize weird runs
|
||||
} else {
|
||||
*outputs.final_int_stack.last().unwrap() as i32
|
||||
}
|
||||
}
|
||||
|
||||
/// 3) Evaluate an AST on all samples => compute MSE
|
||||
fn evaluate_fitness(
|
||||
runner: &mut EvmRunner,
|
||||
ast: &UntypedAst,
|
||||
samples: &[(i32, i32)]
|
||||
) -> f64 {
|
||||
let mut error_sum = 0.0;
|
||||
for &(x, target_y32) in samples {
|
||||
// cast to i64
|
||||
let target_y = target_y32 as i64;
|
||||
|
||||
// evaluate in i64
|
||||
let predicted_i64 = evaluate_ast_on_x(runner, ast, x) as i64;
|
||||
|
||||
// wrapping_sub to avoid panic
|
||||
let diff = predicted_i64.wrapping_sub(target_y);
|
||||
error_sum += (diff as f64) * (diff as f64);
|
||||
}
|
||||
error_sum / samples.len() as f64
|
||||
}
|
||||
|
||||
fn main() -> Result<()> {
|
||||
// 1) Generate samples
|
||||
let samples = generate_samples();
|
||||
|
||||
// 2) Setup ephemeral EVM runner
|
||||
let creation_hex_filename = "../onchain/out/Push3Interpreter.sol/Push3Interpreter.json";
|
||||
let creation_bytes = get_creation_code(creation_hex_filename)?;
|
||||
let mut runner = EvmRunner::new(creation_bytes)?;
|
||||
|
||||
// 3) GP parameters
|
||||
let pop_size = 3600; // must be multiple of 3 for our scheme
|
||||
let generations = 100;
|
||||
let early_stop_threshold = 1.0;
|
||||
let max_points = 12; // random code size limit
|
||||
|
||||
// Ensure pop_size is multiple of 3
|
||||
assert_eq!(pop_size % 3, 0, "pop_size must be multiple of 3 for our scheme");
|
||||
let third = pop_size / 3;
|
||||
|
||||
let mut rng = thread_rng();
|
||||
|
||||
// 4) Initialize random population
|
||||
let mut population: Vec<UntypedAst> = (0..pop_size)
|
||||
.map(|_| ranmdom_code_fixed(&mut rng, max_points))
|
||||
.collect();
|
||||
|
||||
// 5) Main loop
|
||||
for gen in 0..generations {
|
||||
// a) Evaluate
|
||||
let mut scored: Vec<(UntypedAst, f64)> = population.into_iter()
|
||||
.map(|ast| {
|
||||
let err = evaluate_fitness(&mut runner, &ast, &samples);
|
||||
(ast, err)
|
||||
})
|
||||
.collect();
|
||||
|
||||
// b) Sort ascending by error
|
||||
scored.sort_by(|a, b| a.1.partial_cmp(&b.1).unwrap());
|
||||
|
||||
let best_err = scored[0].1;
|
||||
println!("\n=== Generation {gen} ===");
|
||||
println!("Best error = {best_err}");
|
||||
|
||||
// (Optionally) Print top 5 in pretty format
|
||||
let top_n = 5.min(scored.len());
|
||||
println!("Top {top_n} subjects:");
|
||||
for i in 0..top_n {
|
||||
println!(
|
||||
" #{i}, err={}, AST:\n{:#?}",
|
||||
scored[i].1,
|
||||
scored[i].0
|
||||
);
|
||||
}
|
||||
|
||||
// check early stop
|
||||
if best_err < early_stop_threshold {
|
||||
println!("Best error < {early_stop_threshold}, stopping early!");
|
||||
population = scored.into_iter().map(|(a, _)| a).collect();
|
||||
break;
|
||||
}
|
||||
|
||||
// c) Build new population:
|
||||
// - 1/3 = best survivors
|
||||
// - 1/3 = fresh random
|
||||
// - 1/3 = local mutation
|
||||
let mut new_pop = Vec::with_capacity(pop_size);
|
||||
|
||||
// keep best third
|
||||
for i in 0..third {
|
||||
new_pop.push(scored[i].0.clone());
|
||||
}
|
||||
|
||||
// random third
|
||||
for _ in 0..third {
|
||||
let fresh = ranmdom_code_fixed(&mut rng, max_points);
|
||||
new_pop.push(fresh);
|
||||
}
|
||||
|
||||
// local mutation third
|
||||
let top_half_count = scored.len() / 2;
|
||||
// we'll pick parents from top half for local mutation
|
||||
while new_pop.len() < pop_size {
|
||||
let idx = rng.gen_range(0..top_half_count);
|
||||
// we assume you have local_mutation_fixed
|
||||
// if you prefer passing a custom InstructionSet, do local_mutation(..., &instr_set)
|
||||
let mutated = offchain::gp::local_mutation::local_mutation_fixed(
|
||||
&scored[idx].0,
|
||||
&mut rng
|
||||
);
|
||||
new_pop.push(mutated);
|
||||
}
|
||||
|
||||
// store for next generation
|
||||
population = new_pop;
|
||||
}
|
||||
|
||||
// 6) Final => evaluate & sort => top 10
|
||||
println!("\n=== Final Population (Top 10) ===");
|
||||
let mut final_scored: Vec<(UntypedAst, f64)> = population
|
||||
.into_iter()
|
||||
.map(|ast| {
|
||||
let err = evaluate_fitness(&mut runner, &ast, &samples);
|
||||
(ast, err)
|
||||
})
|
||||
.collect();
|
||||
final_scored.sort_by(|a, b| a.1.partial_cmp(&b.1).unwrap());
|
||||
|
||||
let top_n = 10.min(final_scored.len());
|
||||
for i in 0..top_n {
|
||||
let (ref ast, err) = final_scored[i];
|
||||
println!("Subject #{i}, err={err}, AST:\n{:#?}", ast);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
+390
-133
@@ -1,50 +1,375 @@
|
||||
//! src/compiler/ast.rs
|
||||
//!
|
||||
//! This module defines an **abstract** untyped AST for our Push3-like language,
|
||||
//! plus a mapping for how to encode opcodes as bytes. We do *not* hardcode numeric
|
||||
//! values in the `OpCode` enum. Instead, we provide a trait that can map
|
||||
//! opcodes to bytes. This allows us to expand or change instructions easily
|
||||
//! (e.g., when the on-chain interpreter adds new opcodes or changes their IDs).
|
||||
// pub trait Push3Ast {
|
||||
// /// Convert this AST into a bytecode array (Push3 tokens).
|
||||
// fn to_bytecode(&self) -> Vec<u8>;
|
||||
|
||||
// // Parse an AST from bytecode (the "decompiler"), if possible.
|
||||
// // Possibly returns a Result in case of partial/invalid parse.
|
||||
// // fn from_bytecode(data: &[u8]) -> Self
|
||||
// // where
|
||||
// // Self: Sized;
|
||||
|
||||
// // Randomly mutate this AST in-place (GP mutation).
|
||||
// // fn mutate(&mut self, rng: &mut impl rand::Rng);
|
||||
|
||||
// // Possibly a "crossover" method, or we do it externally.
|
||||
// // fn crossover(&self, other: &Self, rng: &mut impl rand::Rng) -> Self;
|
||||
|
||||
// // Evaluate the AST with some input(s).
|
||||
// // Optionally do we want this or do we always run in EVM?
|
||||
// // We can stub it or do an interpret approach for local test.
|
||||
// // fn interpret_locally(&self, inputs: &[i32]) -> Vec<i32>;
|
||||
// }
|
||||
|
||||
|
||||
// #[derive(Debug, Clone)]
|
||||
// pub enum TypedAst {
|
||||
// IntLiteral(i32),
|
||||
// Instruction(InstructionKind),
|
||||
// }
|
||||
|
||||
// #[derive(Debug, Clone)]
|
||||
// pub enum InstructionKind {
|
||||
// Plus(Box<TypedAst>, Box<TypedAst>),
|
||||
// Minus(Box<TypedAst>, Box<TypedAst>),
|
||||
// Mult(Box<TypedAst>, Box<TypedAst>),
|
||||
// Dup, // 0 children
|
||||
// Pop, // 0 children
|
||||
// }
|
||||
|
||||
// impl Push3Ast for TypedAst {
|
||||
// fn to_bytecode(&self) -> Vec<u8> {
|
||||
// // do typed encoding:
|
||||
// // - for Plus(e1, e2): e1 -> bytecode, e2 -> bytecode, then PLUS opcode
|
||||
// unimplemented!()
|
||||
// }
|
||||
|
||||
// // fn from_bytecode(data: &[u8]) -> Self {
|
||||
// // // parse in a strictly typed manner; might fail or panic
|
||||
// // // if the code doesn't line up properly
|
||||
// // unimplemented!()
|
||||
// // }
|
||||
|
||||
// // fn mutate(&mut self, rng: &mut impl rand::Rng) {
|
||||
// // // e.g. randomly pick a node, replace it with something
|
||||
// // // that respects the typed structure
|
||||
// // unimplemented!()
|
||||
// // }
|
||||
|
||||
// // fn interpret_locally(&self, inputs: &[i32]) -> Vec<i32> {
|
||||
// // // do a normal expression evaluation. If a node is "Plus(a,b)",
|
||||
// // // interpret (a) + interpret(b).
|
||||
// // unimplemented!()
|
||||
// // }
|
||||
// }
|
||||
|
||||
// #[derive(Debug, Clone)]
|
||||
// pub enum UntypedAst {
|
||||
// /// A single token in a list-based approach, e.g. "Integer literal"
|
||||
// IntLiteral(i32),
|
||||
|
||||
// /// "Instruction" might be a simple variant with no children,
|
||||
// /// because the stack-based evaluation decides how many arguments it consumes.
|
||||
// Instruction(OpCode),
|
||||
|
||||
// /// A sublist of tokens, e.g. "( 2 3 DUP + )"
|
||||
// Sublist(Vec<UntypedAst>),
|
||||
// }
|
||||
|
||||
// /// Possibly an enum for OpCode:
|
||||
// #[derive(Debug, Clone)]
|
||||
// pub enum OpCode {
|
||||
// Noop,
|
||||
// Plus,
|
||||
// Minus,
|
||||
// Mult,
|
||||
// Dup,
|
||||
// Pop,
|
||||
// // maybe Unknown => treat as no-op
|
||||
// }
|
||||
|
||||
// // impl Push3Ast for UntypedAst {
|
||||
// // fn to_bytecode(&self) -> Vec<u8> {
|
||||
// // // flatten out sublists vs instructions
|
||||
// // unimplemented!()
|
||||
// // }
|
||||
|
||||
// // // fn from_bytecode(data: &[u8]) -> Self {
|
||||
// // // // parse "0x02 => INT_LITERAL => read next 4 bytes"
|
||||
// // // // instructions might have no subchildren
|
||||
// // // unimplemented!()
|
||||
// // // }
|
||||
|
||||
// // // fn mutate(&mut self, rng: &mut impl rand::Rng) {
|
||||
// // // // can randomly insert unknown tokens, reorder sublists, etc.
|
||||
// // // // possibly produce "invalid ops => noops"
|
||||
// // // unimplemented!()
|
||||
// // // }
|
||||
|
||||
// // // fn interpret_locally(&self, inputs: &[i32]) -> Vec<i32> {
|
||||
// // // // push-based interpretation:
|
||||
// // // // sublist => interpret each item in sequence
|
||||
// // // // if an instruction sees insufficient args => no-op
|
||||
// // // unimplemented!()
|
||||
// // // }
|
||||
// // }
|
||||
|
||||
// use crate::compiler::ast::Push3Ast;
|
||||
|
||||
// /// An untyped AST node, matching your Push3 structure.
|
||||
// #[derive(Debug, Clone)]
|
||||
// pub enum UntypedAst {
|
||||
// /// A single integer literal.
|
||||
// IntLiteral(i32),
|
||||
// /// A single push instruction (no subchildren).
|
||||
// Instruction(OpCode),
|
||||
// /// A sublist of items, each of which is another UntypedAst.
|
||||
// Sublist(Vec<UntypedAst>),
|
||||
// }
|
||||
|
||||
// /// Your Push3 opcodes in an untyped form.
|
||||
// #[derive(Debug, Clone)]
|
||||
// pub enum OpCode {
|
||||
// Noop,
|
||||
// Plus,
|
||||
// Minus,
|
||||
// Mult,
|
||||
// Dup,
|
||||
// Pop,
|
||||
// }
|
||||
|
||||
// /// Implementation of `Push3Ast` for `UntypedAst`.
|
||||
// ///
|
||||
// /// This will produce **bytecode** compatible with your Solidity `Push3Interpreter`:
|
||||
// ///
|
||||
// /// - `0x00` => NOOP
|
||||
// /// - `0x01` => INTEGER_PLUS
|
||||
// /// - `0x02` => INT_LITERAL => next 4 bytes (little-endian i32)
|
||||
// /// - `0x03` => SUBLIST => next 2 bytes (big-endian `u16` length), then the sublist contents
|
||||
// /// - `0x04` => INTEGER_MINUS
|
||||
// /// - `0x05` => INTEGER_MULT
|
||||
// /// - `0x06` => INTEGER_DUP
|
||||
// /// - `0x07` => INTEGER_POP
|
||||
// ///
|
||||
// /// In the Solidity parser, `SUBLIST (0x03)` consumes two bytes to determine
|
||||
// /// how many bytes of tokens to read in that sublist.
|
||||
// impl Push3Ast for UntypedAst {
|
||||
// /// Convert this untyped AST into a flattened push3 bytecode sequence.
|
||||
// fn to_bytecode(&self) -> Vec<u8> {
|
||||
// match self {
|
||||
// UntypedAst::IntLiteral(val) => {
|
||||
// // 0x02 followed by 4 bytes of i32 (little-endian)
|
||||
// let mut bytes = Vec::with_capacity(1 + 4);
|
||||
// bytes.push(0x02);
|
||||
// bytes.extend_from_slice(&val.to_le_bytes());
|
||||
// bytes
|
||||
// }
|
||||
// UntypedAst::Instruction(op) => {
|
||||
// // Single opcode byte
|
||||
// let opcode_byte = match op {
|
||||
// OpCode::Noop => 0x00,
|
||||
// OpCode::Plus => 0x01,
|
||||
// OpCode::Minus => 0x04,
|
||||
// OpCode::Mult => 0x05,
|
||||
// OpCode::Dup => 0x06,
|
||||
// OpCode::Pop => 0x07,
|
||||
// };
|
||||
// vec![opcode_byte]
|
||||
// }
|
||||
// UntypedAst::Sublist(children) => {
|
||||
// // 0x03 => SUBLIST
|
||||
// // Then 2 bytes for length (big-endian u16),
|
||||
// // Then the concatenated bytecode for all children.
|
||||
// let mut payload = Vec::new();
|
||||
// for child in children {
|
||||
// let child_bytes = child.to_bytecode();
|
||||
// payload.extend_from_slice(&child_bytes);
|
||||
// }
|
||||
// let sub_len = payload.len() as u16; // assume it fits in 65535
|
||||
// let mut bytes = Vec::with_capacity(1 + 2 + payload.len());
|
||||
// bytes.push(0x03);
|
||||
// // Store the sublist length as big-endian, because readUint16 in solidity
|
||||
// // does `val = uint16(word >> 240)` (effectively big-endian).
|
||||
// bytes.extend_from_slice(&sub_len.to_be_bytes());
|
||||
// // Then the actual sublist payload
|
||||
// bytes.extend_from_slice(&payload);
|
||||
// bytes
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
|
||||
// #[derive(Debug, Clone, PartialEq)]
|
||||
// pub enum SExpr {
|
||||
// Atom(String), // e.g. "3", "DUP", "+"
|
||||
// List(Vec<SExpr>), // e.g. (3 5 +)
|
||||
// }
|
||||
|
||||
// fn tokenize(s: &str) -> Vec<String> {
|
||||
// let mut tokens = Vec::new();
|
||||
// let mut current = String::new();
|
||||
|
||||
// for c in s.chars() {
|
||||
// match c {
|
||||
// '(' | ')' => {
|
||||
// // If we were building up an atom, push it first
|
||||
// if !current.trim().is_empty() {
|
||||
// tokens.push(current.trim().to_string());
|
||||
// }
|
||||
// current.clear();
|
||||
// // Then push the single-char token
|
||||
// tokens.push(c.to_string());
|
||||
// }
|
||||
// ' ' | '\t' | '\n' | '\r' => {
|
||||
// // Whitespace => if we have an atom, finish it
|
||||
// if !current.trim().is_empty() {
|
||||
// tokens.push(current.trim().to_string());
|
||||
// current.clear();
|
||||
// }
|
||||
// }
|
||||
// _ => {
|
||||
// // Part of an atom
|
||||
// current.push(c);
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
// // If something is left in 'current' at the end
|
||||
// if !current.trim().is_empty() {
|
||||
// tokens.push(current.trim().to_string());
|
||||
// }
|
||||
|
||||
// tokens
|
||||
// }
|
||||
|
||||
|
||||
// fn parse_sexpr(tokens: &[String], pos: &mut usize) -> Result<SExpr, String> {
|
||||
// // If we’re out of tokens, error
|
||||
// if *pos >= tokens.len() {
|
||||
// return Err("Unexpected end of tokens".into());
|
||||
// }
|
||||
|
||||
// let token = &tokens[*pos];
|
||||
// match token.as_str() {
|
||||
// "(" => {
|
||||
// // Parse a list
|
||||
// *pos += 1; // consume '('
|
||||
// let mut list_items = Vec::new();
|
||||
|
||||
// while *pos < tokens.len() && tokens[*pos] != ")" {
|
||||
// let expr = parse_sexpr(tokens, pos)?;
|
||||
// list_items.push(expr);
|
||||
// }
|
||||
|
||||
// if *pos >= tokens.len() {
|
||||
// return Err("Missing closing parenthesis".into());
|
||||
// }
|
||||
// // consume ")"
|
||||
// *pos += 1;
|
||||
// Ok(SExpr::List(list_items))
|
||||
// }
|
||||
// ")" => {
|
||||
// // Should never parse_sexpr starting with ')'
|
||||
// Err("Unexpected ')'".into())
|
||||
// }
|
||||
// _ => {
|
||||
// // Atom
|
||||
// let atom_str = token.clone();
|
||||
// *pos += 1;
|
||||
// Ok(SExpr::Atom(atom_str))
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
// /// Parse an entire string into a single top-level `SExpr`.
|
||||
// fn parse_string_to_sexpr(s: &str) -> Result<SExpr, String> {
|
||||
// let tokens = tokenize(s);
|
||||
// let mut pos = 0;
|
||||
// let expr = parse_sexpr(&tokens, &mut pos)?;
|
||||
|
||||
// // If there's leftover tokens, optionally check
|
||||
// if pos < tokens.len() {
|
||||
// return Err(format!("Extra tokens after parse: {:?}", &tokens[pos..]));
|
||||
// }
|
||||
|
||||
// Ok(expr)
|
||||
// }
|
||||
|
||||
// fn sexpr_to_untyped(expr: &SExpr) -> Result<UntypedAst, String> {
|
||||
// match expr {
|
||||
// SExpr::Atom(text) => {
|
||||
// // 1) try to parse as i32
|
||||
// if let Ok(val) = text.parse::<i32>() {
|
||||
// Ok(UntypedAst::IntLiteral(val))
|
||||
// } else {
|
||||
// // 2) otherwise parse as OpCode symbol
|
||||
// match text.to_uppercase().as_str() {
|
||||
// "+" => Ok(UntypedAst::Instruction(OpCode::Plus)),
|
||||
// "-" => Ok(UntypedAst::Instruction(OpCode::Minus)),
|
||||
// "*" => Ok(UntypedAst::Instruction(OpCode::Mult)),
|
||||
// "DUP" => Ok(UntypedAst::Instruction(OpCode::Dup)),
|
||||
// "POP" => Ok(UntypedAst::Instruction(OpCode::Pop)),
|
||||
// // more opcodes ...
|
||||
// _ => Ok(UntypedAst::Instruction(OpCode::Noop))
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
// SExpr::List(list) => {
|
||||
// // parse each child into UntypedAst
|
||||
// let mut result = Vec::new();
|
||||
// for child in list {
|
||||
// result.push(sexpr_to_untyped(child)?);
|
||||
// }
|
||||
// Ok(UntypedAst::Sublist(result))
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
// src/compiler/ast.rs
|
||||
|
||||
/// A trait describing how to convert an AST into Push3 bytecode.
|
||||
///
|
||||
/// This is deliberately minimal for now. In the future, we could add more methods
|
||||
/// (like parsing from bytecode or AST mutation).
|
||||
pub trait Push3Ast {
|
||||
/// Convert this AST into a bytecode vector that the on-chain interpreter
|
||||
/// can parse and execute.
|
||||
/// Convert this AST into a bytecode array (Push3 tokens).
|
||||
fn to_bytecode(&self) -> Vec<u8>;
|
||||
}
|
||||
|
||||
/// A trait that **maps** each [`OpCode`] variant to its **single-byte** representation.
|
||||
///
|
||||
/// By centralizing this, we can easily add or reorder instructions without rewriting
|
||||
/// big chunks of code everywhere. For example, if we add `OpCode::MyNewOp`, we just
|
||||
/// update this trait’s logic.
|
||||
pub trait OpCodeMapping {
|
||||
/// Given an `OpCode` enum variant, return the corresponding single `u8`
|
||||
/// that the interpreter expects.
|
||||
fn opcode_byte(&self, op: &OpCode) -> u8;
|
||||
/* --------------------------------------------
|
||||
1) TypedAst stubs (optional)
|
||||
-------------------------------------------- */
|
||||
|
||||
// If you need reverse-lookup (byte => OpCode), you could add a method like:
|
||||
// fn from_byte(&self, b: u8) -> Option<OpCode>;
|
||||
// for now, we omit it since we only do forward mapping in this file.
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum TypedAst {
|
||||
IntLiteral(i32),
|
||||
Instruction(InstructionKind),
|
||||
}
|
||||
|
||||
/// Our untyped AST node:
|
||||
/// - `IntLiteral(i32)` holds a literal integer,
|
||||
/// - `Instruction(OpCode)` holds one opcode,
|
||||
/// - `Sublist(Vec<UntypedAst>)` holds a collection of nested AST nodes.
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum InstructionKind {
|
||||
Plus(Box<TypedAst>, Box<TypedAst>),
|
||||
Minus(Box<TypedAst>, Box<TypedAst>),
|
||||
Mult(Box<TypedAst>, Box<TypedAst>),
|
||||
Dup,
|
||||
Pop,
|
||||
}
|
||||
|
||||
// Example stub; not fully implemented
|
||||
impl Push3Ast for TypedAst {
|
||||
fn to_bytecode(&self) -> Vec<u8> {
|
||||
unimplemented!("TypedAst::to_bytecode not yet implemented");
|
||||
}
|
||||
}
|
||||
|
||||
/* --------------------------------------------
|
||||
2) UntypedAst + OpCode
|
||||
-------------------------------------------- */
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum UntypedAst {
|
||||
IntLiteral(i32),
|
||||
Instruction(OpCode),
|
||||
Sublist(Vec<UntypedAst>),
|
||||
}
|
||||
|
||||
/// An **abstract** set of opcodes. We do *not* assign numeric values here.
|
||||
/// Instead, see [`OpCodeMapping::opcode_byte`] for how we convert them to bytes.
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum OpCode {
|
||||
Noop,
|
||||
Plus,
|
||||
@@ -52,91 +377,57 @@ pub enum OpCode {
|
||||
Mult,
|
||||
Dup,
|
||||
Pop,
|
||||
// Add new instructions here as needed. E.g.:
|
||||
// MyNewOp, etc.
|
||||
}
|
||||
|
||||
impl UntypedAst {
|
||||
/// Encode this AST into bytecode, using a provided [`OpCodeMapping`].
|
||||
///
|
||||
/// This method is more flexible than `to_bytecode()`, because you can pass in
|
||||
/// *any* mapping if needed. The method used by the trait’s `to_bytecode()`
|
||||
/// relies on the global `DEFAULT_OP_MAPPING`.
|
||||
pub fn to_bytecode_with_mapping<M: OpCodeMapping>(&self, mapping: &M) -> Vec<u8> {
|
||||
/// Implementation of `Push3Ast` for `UntypedAst`.
|
||||
/// Matches the Solidity-based Push3Interpreter token IDs.
|
||||
impl Push3Ast for UntypedAst {
|
||||
fn to_bytecode(&self) -> Vec<u8> {
|
||||
match self {
|
||||
// For an integer literal, we write the “tag byte” for int-literal, then 4 bytes (LE).
|
||||
UntypedAst::IntLiteral(val) => {
|
||||
// Hardcode 0x02 => INT_LITERAL.
|
||||
// You *could* put that in the mapping if you want to make that flexible, too.
|
||||
// 0x02 => INT_LITERAL => next 4 bytes (little-endian i32)
|
||||
let mut bytes = Vec::with_capacity(1 + 4);
|
||||
bytes.push(0x02);
|
||||
bytes.extend_from_slice(&val.to_be_bytes());
|
||||
bytes
|
||||
}
|
||||
UntypedAst::Instruction(op) => {
|
||||
// Use the mapping to find the correct opcode byte:
|
||||
let b = mapping.opcode_byte(op);
|
||||
vec![b]
|
||||
let opcode_byte = match op {
|
||||
OpCode::Noop => 0x00,
|
||||
OpCode::Plus => 0x01,
|
||||
OpCode::Minus => 0x04,
|
||||
OpCode::Mult => 0x05,
|
||||
OpCode::Dup => 0x06,
|
||||
OpCode::Pop => 0x07,
|
||||
};
|
||||
vec![opcode_byte]
|
||||
}
|
||||
UntypedAst::Sublist(children) => {
|
||||
// Hardcode 0x03 => SUBLIST, then big-endian length, then child payload
|
||||
// 0x03 => SUBLIST => next 2 bytes = big-endian length, then sub-payload
|
||||
let mut payload = Vec::new();
|
||||
for child in children {
|
||||
let child_bytes = child.to_bytecode_with_mapping(mapping);
|
||||
payload.extend(child_bytes);
|
||||
payload.extend(child.to_bytecode());
|
||||
}
|
||||
let sub_len = payload.len() as u16;
|
||||
let mut bytes = Vec::with_capacity(1 + 2 + payload.len());
|
||||
bytes.push(0x03);
|
||||
bytes.extend_from_slice(&sub_len.to_be_bytes()); // big-endian length
|
||||
bytes.extend(payload);
|
||||
bytes.extend_from_slice(&sub_len.to_be_bytes()); // big-endian
|
||||
bytes.extend_from_slice(&payload);
|
||||
bytes
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// For convenience, we implement `Push3Ast` using a *default* mapping.
|
||||
impl Push3Ast for UntypedAst {
|
||||
fn to_bytecode(&self) -> Vec<u8> {
|
||||
self.to_bytecode_with_mapping(&DEFAULT_OP_MAPPING)
|
||||
}
|
||||
}
|
||||
|
||||
/// A default mapping that corresponds to your current on-chain byte definitions.
|
||||
///
|
||||
/// This way, if your interpreter changes (e.g., `Minus` becomes 0x0A),
|
||||
/// you just update this mapping.
|
||||
pub struct DefaultOpCodeMapping;
|
||||
|
||||
impl OpCodeMapping for DefaultOpCodeMapping {
|
||||
fn opcode_byte(&self, op: &OpCode) -> u8 {
|
||||
match op {
|
||||
OpCode::Noop => 0x00, // 0x00 => NOOP
|
||||
OpCode::Plus => 0x01, // 0x01 => INTEGER_PLUS
|
||||
OpCode::Minus => 0x04, // 0x04 => INTEGER_MINUS
|
||||
OpCode::Mult => 0x05, // 0x05 => INTEGER_MULT
|
||||
OpCode::Dup => 0x06, // 0x06 => INTEGER_DUP
|
||||
OpCode::Pop => 0x07, // 0x07 => INTEGER_POP
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// A convenient global `const` or `static` for quick usage.
|
||||
pub const DEFAULT_OP_MAPPING: DefaultOpCodeMapping = DefaultOpCodeMapping;
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// S-Expression Parsing Helpers
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
/// A simple S-expression tree for textual representation: either an `Atom` or a `List`.
|
||||
/* --------------------------------------------
|
||||
3) S-expression parsing helpers
|
||||
-------------------------------------------- */
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
pub enum SExpr {
|
||||
Atom(String),
|
||||
List(Vec<SExpr>),
|
||||
}
|
||||
|
||||
/// Tokenize a string into parentheses and symbols (atoms).
|
||||
pub fn tokenize(s: &str) -> Vec<String> {
|
||||
let mut tokens = Vec::new();
|
||||
let mut current = String::new();
|
||||
@@ -169,10 +460,9 @@ pub fn tokenize(s: &str) -> Vec<String> {
|
||||
tokens
|
||||
}
|
||||
|
||||
/// Recursive helper to parse a single S-expression from a list of tokens, advancing `pos`.
|
||||
fn parse_sexpr_internal(tokens: &[String], pos: &mut usize) -> Result<SExpr, String> {
|
||||
if *pos >= tokens.len() {
|
||||
return Err("Unexpected end of tokens".to_string());
|
||||
return Err("Unexpected end of tokens".into());
|
||||
}
|
||||
|
||||
let token = &tokens[*pos];
|
||||
@@ -185,51 +475,46 @@ fn parse_sexpr_internal(tokens: &[String], pos: &mut usize) -> Result<SExpr, Str
|
||||
items.push(expr);
|
||||
}
|
||||
if *pos >= tokens.len() {
|
||||
return Err("Missing closing parenthesis".to_string());
|
||||
return Err("Missing closing parenthesis".into());
|
||||
}
|
||||
*pos += 1; // consume ')'
|
||||
Ok(SExpr::List(items))
|
||||
}
|
||||
")" => Err("Unexpected ')'".to_string()),
|
||||
")" => {
|
||||
Err("Unexpected ')'".into())
|
||||
}
|
||||
_ => {
|
||||
let atom_str = token.clone();
|
||||
let atom = token.clone();
|
||||
*pos += 1;
|
||||
Ok(SExpr::Atom(atom_str))
|
||||
Ok(SExpr::Atom(atom))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Parse a full string into a single top-level `SExpr`, assuming balanced parentheses.
|
||||
/// Parse an entire string into a single top-level `SExpr`.
|
||||
pub fn parse_string_to_sexpr(s: &str) -> Result<SExpr, String> {
|
||||
let tokens = tokenize(s);
|
||||
let mut pos = 0;
|
||||
let expr = parse_sexpr_internal(&tokens, &mut pos)?;
|
||||
if pos < tokens.len() {
|
||||
Err(format!(
|
||||
"Extra tokens after parse: {:?}",
|
||||
&tokens[pos..]
|
||||
))
|
||||
} else {
|
||||
Ok(expr)
|
||||
return Err(format!("Extra tokens after parse: {:?}", &tokens[pos..]));
|
||||
}
|
||||
Ok(expr)
|
||||
}
|
||||
|
||||
/// Convert an S-expression to an **untyped** AST node.
|
||||
/// Convert an SExpr => UntypedAst
|
||||
pub fn sexpr_to_untyped(expr: &SExpr) -> Result<UntypedAst, String> {
|
||||
match expr {
|
||||
SExpr::Atom(text) => {
|
||||
// 1) Try parse as integer
|
||||
if let Ok(val) = text.parse::<i32>() {
|
||||
Ok(UntypedAst::IntLiteral(val))
|
||||
} else {
|
||||
// 2) Otherwise interpret as an opcode
|
||||
match text.to_uppercase().as_str() {
|
||||
"+" => Ok(UntypedAst::Instruction(OpCode::Plus)),
|
||||
"-" => Ok(UntypedAst::Instruction(OpCode::Minus)),
|
||||
"*" => Ok(UntypedAst::Instruction(OpCode::Mult)),
|
||||
"DUP" => Ok(UntypedAst::Instruction(OpCode::Dup)),
|
||||
"POP" => Ok(UntypedAst::Instruction(OpCode::Pop)),
|
||||
// unknown => treat as Noop
|
||||
_ => Ok(UntypedAst::Instruction(OpCode::Noop)),
|
||||
}
|
||||
}
|
||||
@@ -243,31 +528,3 @@ pub fn sexpr_to_untyped(expr: &SExpr) -> Result<UntypedAst, String> {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// (Optional) Placeholder for a future typed AST
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
// /// In the future, we plan to define a `TypedAst` enum that ensures each operation
|
||||
// /// has the correct number of typed children. We might also handle errors
|
||||
// /// if an operation expects two integer children, but the user tries to attach
|
||||
// /// a sublist or zero children, etc.
|
||||
// ///
|
||||
// /// For now, the untyped AST suffices for quick prototyping, but typed checks
|
||||
// /// will be crucial in more advanced genetic programming or static analysis scenarios.
|
||||
// #[derive(Debug, Clone)]
|
||||
// pub enum TypedAst {
|
||||
// // e.g. IntLiteral(i32),
|
||||
// // Instruction(InstructionKind),
|
||||
// }
|
||||
|
||||
// #[derive(Debug, Clone)]
|
||||
// pub enum InstructionKind {
|
||||
// // e.g. Plus(Box<TypedAst>, Box<TypedAst>),
|
||||
// // Minus(Box<TypedAst>, Box<TypedAst>),
|
||||
// // Mult(Box<TypedAst>, Box<TypedAst>),
|
||||
// // Dup,
|
||||
// // Pop,
|
||||
// }
|
||||
|
||||
// // etc.
|
||||
|
||||
@@ -1,2 +1 @@
|
||||
pub mod ast;
|
||||
pub mod push3_describtor;
|
||||
|
||||
@@ -1,67 +0,0 @@
|
||||
//! src/compiler/push3_descriptor.rs
|
||||
//!
|
||||
//! A small module of helper functions to construct or interpret the 256-bit descriptors
|
||||
//! used by our on-chain `Push3Interpreter`. Each descriptor encodes a tag, an offset,
|
||||
//! a length, and any leftover bits (e.g., immediate data).
|
||||
|
||||
use ethers::types::U256;
|
||||
|
||||
/// The 256-bit descriptor layout is as follows:
|
||||
/// [ 8 bits: tag | 32 bits: offset | 32 bits: length | 184 bits: leftover ]
|
||||
///
|
||||
/// We'll define small helper functions to build or parse these.
|
||||
/// Our `make_sublist_descriptor` is an example for tag=3 (SUBLIST).
|
||||
|
||||
/// Tag constants, if you want them:
|
||||
pub const TAG_SUBLIST: u8 = 3;
|
||||
pub const TAG_INT_LITERAL: u8 = 2;
|
||||
pub const TAG_INSTRUCTION: u8 = 1;
|
||||
pub const TAG_NONE: u8 = 0;
|
||||
|
||||
/// A small helper to shift the tag into the top 8 bits.
|
||||
#[inline]
|
||||
fn tag_bits(tag: u8) -> U256 {
|
||||
U256::from(tag) << 248
|
||||
}
|
||||
|
||||
/// Build a descriptor for a SUBLIST with the given offset and length (in bytes),
|
||||
/// leftover=0.
|
||||
///
|
||||
/// # Example
|
||||
/// ```
|
||||
/// let desc = make_sublist_descriptor(0, code_bytes.len() as u32);
|
||||
/// // pass `desc` into the interpreter's exec stack
|
||||
/// ```
|
||||
pub fn make_sublist_descriptor(offset: u32, length: u32) -> U256 {
|
||||
tag_bits(TAG_SUBLIST as u8)
|
||||
| (U256::from(offset) << 216)
|
||||
| (U256::from(length) << 184)
|
||||
| U256::zero() // leftover
|
||||
}
|
||||
|
||||
/// Possibly you want a more general helper that builds any descriptor:
|
||||
/// If you have other uses for leftover bits, you can pass that in:
|
||||
pub fn make_descriptor(tag: u8, offset: u32, length: u32, leftover: U256) -> U256 {
|
||||
tag_bits(tag)
|
||||
| (U256::from(offset) << 216)
|
||||
| (U256::from(length) << 184)
|
||||
| leftover
|
||||
}
|
||||
|
||||
/// If you want to parse a descriptor, you can define getTag, getOffset, getLength, etc:
|
||||
pub fn get_tag(desc: U256) -> u8 {
|
||||
// top 8 bits => shift right 248
|
||||
(desc >> 248).as_u32() as u8
|
||||
}
|
||||
|
||||
pub fn get_offset(desc: U256) -> u32 {
|
||||
((desc >> 216) & U256::from(u32::MAX)).as_u32()
|
||||
}
|
||||
|
||||
pub fn get_length(desc: U256) -> u32 {
|
||||
((desc >> 184) & U256::from(u32::MAX)).as_u32()
|
||||
}
|
||||
|
||||
pub fn get_low_184(desc: U256) -> U256 {
|
||||
desc & ((U256::from(1u64) << 184) - 1)
|
||||
}
|
||||
@@ -1,79 +0,0 @@
|
||||
use rand::Rng;
|
||||
use crate::compiler::ast::{UntypedAst, OpCode};
|
||||
|
||||
pub fn random_sublist_ast(rng: &mut impl Rng, max_depth: usize) -> UntypedAst {
|
||||
// 1) Choose how many children the top-level `Sublist` will have.
|
||||
let len = rng.gen_range(1..=3);
|
||||
|
||||
// 2) Build a vector of sub-ASTs by calling `random_ast` for each child
|
||||
let mut children = Vec::with_capacity(len);
|
||||
for _ in 0..len {
|
||||
// We start at `depth=1` because the top-level sublist itself is `depth=0`.
|
||||
children.push(random_ast(rng, 1, max_depth));
|
||||
}
|
||||
|
||||
// 3) Return a `Sublist` as the root node
|
||||
UntypedAst::Sublist(children)
|
||||
}
|
||||
|
||||
/// Generate a random `UntypedAst` by recursively building sub-trees,
|
||||
/// int literals, or instructions.
|
||||
///
|
||||
/// - `depth` tracks how deep we are in the tree.
|
||||
/// - `max_depth` is the maximum allowed depth to prevent infinite recursion.
|
||||
pub fn random_ast(rng: &mut impl Rng, depth: usize, max_depth: usize) -> UntypedAst {
|
||||
if depth >= max_depth {
|
||||
// Return something "terminal,"
|
||||
// e.g. an IntLiteral or a single Instruction
|
||||
random_terminal(rng)
|
||||
} else {
|
||||
// Weighted choice:
|
||||
// 0 => IntLiteral,
|
||||
// 1 => single Instruction,
|
||||
// 2 => Sublist with children
|
||||
let choice = rng.gen_range(0..3);
|
||||
match choice {
|
||||
0 => UntypedAst::IntLiteral(rng.gen_range(-10..10)),
|
||||
1 => UntypedAst::Instruction(random_opcode(rng)),
|
||||
2 => {
|
||||
// Make a sublist with 1..=3 children
|
||||
let len = rng.gen_range(1..=3);
|
||||
let mut children = Vec::with_capacity(len);
|
||||
for _ in 0..len {
|
||||
children.push(random_ast(rng, depth + 1, max_depth));
|
||||
}
|
||||
UntypedAst::Sublist(children)
|
||||
}
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Generate a random "terminal" node.
|
||||
/// Typically either an int literal or a single instruction.
|
||||
fn random_terminal(rng: &mut impl Rng) -> UntypedAst {
|
||||
// Weighted choice:
|
||||
// 0 => IntLiteral
|
||||
// 1 => single Instruction
|
||||
let choice = rng.gen_range(0..2);
|
||||
match choice {
|
||||
0 => UntypedAst::IntLiteral(rng.gen_range(-10..10)),
|
||||
1 => UntypedAst::Instruction(random_opcode(rng)),
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
|
||||
/// Generate a random `OpCode` from your known set of instructions.
|
||||
pub fn random_opcode(rng: &mut impl Rng) -> OpCode {
|
||||
let choice = rng.gen_range(0..6);
|
||||
// because we have 6 variants: Noop, Plus, Minus, Mult, Dup, Pop
|
||||
match choice {
|
||||
0 => OpCode::Noop,
|
||||
1 => OpCode::Plus,
|
||||
2 => OpCode::Minus,
|
||||
3 => OpCode::Mult,
|
||||
4 => OpCode::Dup,
|
||||
5 => OpCode::Pop,
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
@@ -1,121 +0,0 @@
|
||||
use crate::compiler::ast::{UntypedAst, OpCode};
|
||||
use rand::Rng;
|
||||
use rand::prelude::SliceRandom;
|
||||
|
||||
#[derive(Clone, Debug)]
|
||||
pub enum InstructionAtom {
|
||||
/// A normal opcode, e.g. `Plus`, `Minus`, `Dup`, etc.
|
||||
Opcode(OpCode),
|
||||
/// An ephemeral random constant placeholder.
|
||||
/// If chosen, we generate a random literal on the spot.
|
||||
EphemeralInt,
|
||||
// If you want ephemeral floats, booleans, etc., add more variants
|
||||
}
|
||||
|
||||
/// A small struct to hold our entire “instruction set.”
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct InstructionSet {
|
||||
pub atoms: Vec<InstructionAtom>,
|
||||
}
|
||||
|
||||
impl InstructionSet {
|
||||
pub fn new_default() -> Self {
|
||||
// Example: Some opcodes + ephemeral constant
|
||||
// Tweak as you like
|
||||
use InstructionAtom::*;
|
||||
use OpCode::*;
|
||||
|
||||
Self {
|
||||
atoms: vec![
|
||||
Opcode(Noop),
|
||||
Opcode(Plus),
|
||||
Opcode(Minus),
|
||||
Opcode(Mult),
|
||||
Opcode(Dup),
|
||||
Opcode(Pop),
|
||||
EphemeralInt,
|
||||
],
|
||||
}
|
||||
}
|
||||
|
||||
/// Pick a random atom from this set.
|
||||
/// If it's `EphemeralInt`, we produce `UntypedAst::IntLiteral(...)`.
|
||||
/// If it's `Opcode(...)`, we produce `UntypedAst::Instruction(...)`.
|
||||
pub fn random_atom_as_ast(&self, rng: &mut impl Rng) -> UntypedAst {
|
||||
let idx = rng.gen_range(0..self.atoms.len());
|
||||
match &self.atoms[idx] {
|
||||
InstructionAtom::Opcode(op) => UntypedAst::Instruction(op.clone()),
|
||||
InstructionAtom::EphemeralInt => {
|
||||
// For ephemeral int, produce a random literal in some range
|
||||
let val = rng.gen_range(-30..30);
|
||||
UntypedAst::IntLiteral(val)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn ranmdom_code_fixed(rng: &mut impl Rng, max_points: usize) -> UntypedAst {
|
||||
let instr_set = InstructionSet::new_default();
|
||||
return random_code(rng, &instr_set, max_points);
|
||||
}
|
||||
|
||||
/// The "entry point": random_code(max_points).
|
||||
/// 1) Choose actual_points in [1..=max_points].
|
||||
/// 2) Return the result of random_code_with_size.
|
||||
pub fn random_code(rng: &mut impl Rng, instr_set: &InstructionSet, max_points: usize) -> UntypedAst {
|
||||
let actual_points = rng.gen_range(1..=max_points);
|
||||
random_code_with_size(rng, instr_set, actual_points)
|
||||
}
|
||||
|
||||
/// The main logic:
|
||||
/// If points == 1 => pick a single instruction/ephemeral
|
||||
/// Else =>
|
||||
/// - We "decompose" (points - 1) among sub-codes
|
||||
/// - For each sub-points, we recursively call random_code_with_size
|
||||
/// - We return a Sublist of those children, possibly in random order
|
||||
pub fn random_code_with_size(
|
||||
rng: &mut impl Rng,
|
||||
instr_set: &InstructionSet,
|
||||
points: usize,
|
||||
) -> UntypedAst {
|
||||
use UntypedAst::*;
|
||||
|
||||
// Base case
|
||||
if points == 1 {
|
||||
// Choose a random "atom" from instr_set
|
||||
return instr_set.random_atom_as_ast(rng);
|
||||
}
|
||||
|
||||
// If `points > 1`, let's produce a Sublist
|
||||
// We'll break (points - 1) into sub-points via `decompose`
|
||||
let subpoints_list = decompose(rng, points - 1, points - 1);
|
||||
// subpoints_list is e.g. [2, 3, 5] and sums to (points-1)
|
||||
|
||||
// Then for each "subpoints", we do random_code_with_size
|
||||
let mut sub_asts: Vec<UntypedAst> = subpoints_list
|
||||
.into_iter()
|
||||
.map(|sp| random_code_with_size(rng, instr_set, sp))
|
||||
.collect();
|
||||
|
||||
// The spec says "Return a list containing the results, in random order"
|
||||
// so let's shuffle sub_asts
|
||||
sub_asts.shuffle(rng);
|
||||
|
||||
Sublist(sub_asts)
|
||||
}
|
||||
|
||||
/// Decompose a number into random parts.
|
||||
///
|
||||
/// - If number is 1 or max_parts is 1 => return [number].
|
||||
/// - Otherwise pick a random split "this_part" and recurse on the remainder.
|
||||
fn decompose(rng: &mut impl Rng, number: usize, max_parts: usize) -> Vec<usize> {
|
||||
if number == 1 || max_parts == 1 {
|
||||
return vec![number];
|
||||
}
|
||||
// pick a random "this_part" in [1 .. (number-1)]
|
||||
let this_part = rng.gen_range(1..number);
|
||||
let mut remainder = decompose(rng, number - this_part, max_parts - 1);
|
||||
let mut result = vec![this_part];
|
||||
result.append(&mut remainder);
|
||||
result
|
||||
}
|
||||
@@ -1,64 +1,10 @@
|
||||
use rand::Rng;
|
||||
use crate::compiler::ast::{UntypedAst, OpCode};
|
||||
use crate::gp::generate::{random_ast, random_opcode};
|
||||
// use crate::compiler::ast::{Expr};
|
||||
|
||||
/// Returns a new `UntypedAst` that is a mutated version of `original`.
|
||||
/// We do not modify `original`; we clone or build new pieces as needed.
|
||||
///
|
||||
/// - `depth`: current depth of this node,
|
||||
/// - `max_depth`: max allowed depth (to prevent infinite recursion).
|
||||
pub fn mutated_ast(original: &UntypedAst, rng: &mut impl Rng, depth: usize, max_depth: usize) -> UntypedAst {
|
||||
// 10% chance: completely replace this node with a fresh random subtree
|
||||
if rng.gen_range(0..100) < 10 {
|
||||
return random_ast(rng, depth, max_depth);
|
||||
}
|
||||
// pub fn crossover(a: &Expr, b: &Expr) -> (Expr, Expr) {
|
||||
// // stub
|
||||
// (a.clone(), b.clone())
|
||||
// }
|
||||
|
||||
match original {
|
||||
UntypedAst::IntLiteral(val) => {
|
||||
// Another small chance to replace the entire node with random subtree
|
||||
if rng.gen_range(0..100) < 10 {
|
||||
return random_ast(rng, depth, max_depth);
|
||||
}
|
||||
|
||||
// Otherwise, "tweak" the int by a small offset
|
||||
let delta = rng.gen_range(-2..=2);
|
||||
let new_val = val.saturating_add(delta);
|
||||
UntypedAst::IntLiteral(new_val)
|
||||
}
|
||||
UntypedAst::Instruction(op) => {
|
||||
// 10% chance to replace node
|
||||
if rng.gen_range(0..100) < 10 {
|
||||
return random_ast(rng, depth, max_depth);
|
||||
}
|
||||
|
||||
// 50% chance to pick a new opcode
|
||||
// or else keep the same
|
||||
if rng.gen_bool(0.5) {
|
||||
UntypedAst::Instruction(random_opcode(rng))
|
||||
} else {
|
||||
// Just clone the original
|
||||
UntypedAst::Instruction(op.clone())
|
||||
}
|
||||
}
|
||||
UntypedAst::Sublist(children) => {
|
||||
// 10% chance to replace this sublist entirely
|
||||
if rng.gen_range(0..100) < 10 {
|
||||
return random_ast(rng, depth, max_depth);
|
||||
}
|
||||
|
||||
// Otherwise, mutate zero or more children
|
||||
let mut new_children = children.clone();
|
||||
if !new_children.is_empty() {
|
||||
// Choose how many kids to mutate:
|
||||
// e.g., 1..=min(2, children.len())
|
||||
let mut_count = rng.gen_range(1..=new_children.len().min(2));
|
||||
|
||||
for _ in 0..mut_count {
|
||||
let idx = rng.gen_range(0..new_children.len());
|
||||
new_children[idx] = mutated_ast(&new_children[idx], rng, depth+1, max_depth);
|
||||
}
|
||||
}
|
||||
UntypedAst::Sublist(new_children)
|
||||
}
|
||||
}
|
||||
}
|
||||
// pub fn mutate(expr: &mut Expr) {
|
||||
// // stub
|
||||
// }
|
||||
|
||||
@@ -1,114 +0,0 @@
|
||||
//! src/gp/local_mutation.rs
|
||||
//! A localized mutation operator that makes small tweaks depending on node type.
|
||||
|
||||
use rand::Rng;
|
||||
use crate::compiler::ast::{UntypedAst, OpCode};
|
||||
use crate::gp::mutation::{
|
||||
enum_nodes_dfs, get_subtree, replace_subtree,
|
||||
};
|
||||
use crate::gp::generate_spec::{
|
||||
InstructionAtom, InstructionSet,
|
||||
};
|
||||
|
||||
/// A top-level function to perform a localized mutation with a chosen `InstructionSet`.
|
||||
pub fn local_mutation(
|
||||
original: &UntypedAst,
|
||||
rng: &mut impl Rng,
|
||||
instr_set: &InstructionSet,
|
||||
) -> UntypedAst {
|
||||
let all_paths = enum_nodes_dfs(original);
|
||||
let idx = rng.gen_range(0..all_paths.len());
|
||||
let chosen_path = &all_paths[idx];
|
||||
|
||||
let old_subtree = get_subtree(original, chosen_path);
|
||||
let new_subtree = local_mutation_node(&old_subtree, rng, instr_set);
|
||||
replace_subtree(original, chosen_path, new_subtree)
|
||||
}
|
||||
|
||||
/// A convenience wrapper that always uses `InstructionSet::new_default()`.
|
||||
pub fn local_mutation_fixed(
|
||||
original: &UntypedAst,
|
||||
rng: &mut impl Rng,
|
||||
) -> UntypedAst {
|
||||
let instr_set = InstructionSet::new_default();
|
||||
local_mutation(original, rng, &instr_set)
|
||||
}
|
||||
|
||||
fn local_mutation_node(
|
||||
subtree: &UntypedAst,
|
||||
rng: &mut impl Rng,
|
||||
instr_set: &InstructionSet,
|
||||
) -> UntypedAst {
|
||||
match subtree {
|
||||
UntypedAst::IntLiteral(val) => {
|
||||
let delta = rng.gen_range(-5..=5);
|
||||
let new_val = val.saturating_add(delta);
|
||||
UntypedAst::IntLiteral(new_val)
|
||||
}
|
||||
UntypedAst::Instruction(op) => {
|
||||
let mut new_op = pick_random_opcode(rng, instr_set);
|
||||
for _ in 0..3 {
|
||||
if &new_op != op {
|
||||
break;
|
||||
}
|
||||
new_op = pick_random_opcode(rng, instr_set);
|
||||
}
|
||||
UntypedAst::Instruction(new_op)
|
||||
}
|
||||
UntypedAst::Sublist(children) => {
|
||||
let choice = rng.gen_range(0..3);
|
||||
let mut new_children = children.clone();
|
||||
|
||||
match choice {
|
||||
0 => {
|
||||
// remove one child if possible
|
||||
if !new_children.is_empty() {
|
||||
let i = rng.gen_range(0..new_children.len());
|
||||
new_children.remove(i);
|
||||
}
|
||||
}
|
||||
1 => {
|
||||
// insert a new small node
|
||||
let i = rng.gen_range(0..=new_children.len());
|
||||
let node = create_small_node(rng, instr_set);
|
||||
new_children.insert(i, node);
|
||||
}
|
||||
2 => {
|
||||
// reorder two children
|
||||
if new_children.len() > 1 {
|
||||
let i = rng.gen_range(0..new_children.len());
|
||||
let j = rng.gen_range(0..new_children.len());
|
||||
new_children.swap(i, j);
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
|
||||
UntypedAst::Sublist(new_children)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn pick_random_opcode(rng: &mut impl Rng, instr_set: &InstructionSet) -> OpCode {
|
||||
use crate::compiler::ast::OpCode;
|
||||
|
||||
let mut opcode_list: Vec<&OpCode> = Vec::new();
|
||||
for atom in &instr_set.atoms {
|
||||
if let InstructionAtom::Opcode(ref op) = atom {
|
||||
opcode_list.push(op);
|
||||
}
|
||||
}
|
||||
if opcode_list.is_empty() {
|
||||
// fallback => default to Noop
|
||||
return OpCode::Noop;
|
||||
}
|
||||
let i = rng.gen_range(0..opcode_list.len());
|
||||
opcode_list[i].clone()
|
||||
}
|
||||
|
||||
fn create_small_node(
|
||||
rng: &mut impl Rng,
|
||||
instr_set: &InstructionSet,
|
||||
) -> UntypedAst {
|
||||
instr_set.random_atom_as_ast(rng)
|
||||
}
|
||||
+11
-4
@@ -1,6 +1,13 @@
|
||||
pub mod population;
|
||||
pub mod genetic_ops;
|
||||
pub mod generate;
|
||||
pub mod generate_spec;
|
||||
pub mod mutation;
|
||||
pub mod local_mutation;
|
||||
// pub mod fitness;
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_dummy() {
|
||||
assert_eq!(2+2, 4);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,147 +0,0 @@
|
||||
use rand::Rng;
|
||||
use crate::compiler::ast::UntypedAst;
|
||||
use crate::gp::generate_spec::ranmdom_code_fixed; // or push3-based generator
|
||||
|
||||
/// A "path" is a list of indices leading from the root to a child.
|
||||
/// For example, [] is the root, [0] is the root's first child, [0,1] is that child's second child, etc.
|
||||
pub type Path = Vec<usize>;
|
||||
|
||||
/// Enumerate all nodes in a DFS order (root first).
|
||||
/// For each node, we store the `Path` (list of child indices).
|
||||
pub fn enum_nodes_dfs(ast: &UntypedAst) -> Vec<Path> {
|
||||
let mut paths = Vec::new();
|
||||
dfs_helper(ast, &mut paths, &mut vec![]);
|
||||
paths
|
||||
}
|
||||
|
||||
/// Recursive helper: `current_path` is a stack we push child indices onto.
|
||||
/// `paths` is the global list of final results.
|
||||
fn dfs_helper(ast: &UntypedAst, paths: &mut Vec<Path>, current_path: &mut Vec<usize>) {
|
||||
// Record the current path as a valid node
|
||||
paths.push(current_path.clone());
|
||||
|
||||
match ast {
|
||||
UntypedAst::Sublist(children) => {
|
||||
// For each child, push its index, recurse, then pop
|
||||
for (i, child) in children.iter().enumerate() {
|
||||
current_path.push(i);
|
||||
dfs_helper(child, paths, current_path);
|
||||
current_path.pop();
|
||||
}
|
||||
}
|
||||
UntypedAst::IntLiteral(_) | UntypedAst::Instruction(_) => {
|
||||
// Leaf node => no children
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Replace the node at `path` in `original` with `replacement`, returning a new AST.
|
||||
/// If `path` is empty => we replace the root entirely.
|
||||
pub fn replace_subtree(
|
||||
original: &UntypedAst,
|
||||
path: &[usize],
|
||||
replacement: UntypedAst
|
||||
) -> UntypedAst {
|
||||
if path.is_empty() {
|
||||
// means we’re replacing the root
|
||||
return replacement;
|
||||
}
|
||||
// otherwise, we need to walk the sublist chain
|
||||
match original {
|
||||
UntypedAst::Sublist(children) => {
|
||||
// let path_head = path[0], path_tail = path[1..]
|
||||
let (first_idx, tail_path) = (path[0], &path[1..]);
|
||||
let mut new_children = children.clone();
|
||||
new_children[first_idx] = replace_subtree(&children[first_idx], tail_path, replacement);
|
||||
UntypedAst::Sublist(new_children)
|
||||
}
|
||||
// If the path is not empty but we’re not in a Sublist => error or do nothing
|
||||
UntypedAst::IntLiteral(_) | UntypedAst::Instruction(_) => {
|
||||
// Possibly, if the path is invalid, we ignore. Or we treat it as "replace anyway."
|
||||
// Here, we might treat it as an error or a no-op.
|
||||
original.clone()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Produces a new AST by choosing exactly one node in `original` at random
|
||||
/// (by enumerating them), and replacing it with a new random subtree.
|
||||
pub fn mutate_by_index(
|
||||
original: &UntypedAst,
|
||||
rng: &mut impl Rng,
|
||||
max_points: usize,
|
||||
) -> UntypedAst {
|
||||
// 1) Enumerate all nodes => get a vector of `Path`
|
||||
let all_paths = enum_nodes_dfs(original);
|
||||
// pick a random path
|
||||
let idx = rng.gen_range(0..all_paths.len());
|
||||
let chosen_path = &all_paths[idx];
|
||||
|
||||
// 2) Generate a new subtree with our "fixed" random code generator
|
||||
let new_subtree = ranmdom_code_fixed(rng, max_points);
|
||||
|
||||
// 3) Replace the subtree at `chosen_path` in `original` with `new_subtree`
|
||||
replace_subtree(original, chosen_path, new_subtree)
|
||||
}
|
||||
|
||||
/// Return the subtree of `original` at `path`,
|
||||
/// cloning it as a `UntypedAst`.
|
||||
/// If `path` is empty => returns the entire `original`.
|
||||
pub fn get_subtree(original: &UntypedAst, path: &[usize]) -> UntypedAst {
|
||||
if path.is_empty() {
|
||||
// The entire AST is the subtree
|
||||
return original.clone();
|
||||
}
|
||||
|
||||
match original {
|
||||
UntypedAst::Sublist(children) => {
|
||||
let (first_idx, tail_path) = (path[0], &path[1..]);
|
||||
if first_idx >= children.len() {
|
||||
// If path index is out of range, just clone the entire AST or
|
||||
// do something fallback
|
||||
return original.clone();
|
||||
}
|
||||
get_subtree(&children[first_idx], tail_path)
|
||||
}
|
||||
UntypedAst::IntLiteral(_) | UntypedAst::Instruction(_) => {
|
||||
// If path is non-empty but this is a leaf,
|
||||
// fallback: just return the leaf.
|
||||
original.clone()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Perform a subtree crossover between two ASTs.
|
||||
/// 1) We pick a random node in `a` and a random node in `b`,
|
||||
/// 2) We swap those subtrees,
|
||||
/// 3) Return the two new ASTs.
|
||||
///
|
||||
/// Example usage:
|
||||
/// ```rust
|
||||
/// let (childA, childB) = crossover_by_index(&parentA, &parentB, &mut rng);
|
||||
/// ```
|
||||
pub fn crossover_by_index(
|
||||
a: &UntypedAst,
|
||||
b: &UntypedAst,
|
||||
rng: &mut impl Rng,
|
||||
) -> (UntypedAst, UntypedAst) {
|
||||
// 1) enumerate nodes in a
|
||||
let paths_a = enum_nodes_dfs(a);
|
||||
let idx_a = rng.gen_range(0..paths_a.len());
|
||||
let chosen_a = &paths_a[idx_a];
|
||||
|
||||
// 2) enumerate nodes in b
|
||||
let paths_b = enum_nodes_dfs(b);
|
||||
let idx_b = rng.gen_range(0..paths_b.len());
|
||||
let chosen_b = &paths_b[idx_b];
|
||||
|
||||
// 3) get subtree from a, from b
|
||||
let subtree_a = get_subtree(a, chosen_a);
|
||||
let subtree_b = get_subtree(b, chosen_b);
|
||||
|
||||
// 4) replace them
|
||||
let new_a = replace_subtree(a, chosen_a, subtree_b);
|
||||
let new_b = replace_subtree(b, chosen_b, subtree_a);
|
||||
|
||||
(new_a, new_b)
|
||||
}
|
||||
@@ -1,41 +0,0 @@
|
||||
//! src/helpers/artifact.rs
|
||||
//! A small helper module to read a Forge artifact JSON and extract the creation code.
|
||||
|
||||
use anyhow::{anyhow, bail, Result};
|
||||
use serde::Deserialize;
|
||||
use std::fs;
|
||||
|
||||
/// This mirrors the JSON structure: "bytecode": { "object": "...hex..." }
|
||||
#[derive(Debug, Deserialize)]
|
||||
struct BytecodeObject {
|
||||
object: String,
|
||||
}
|
||||
|
||||
/// The top-level artifact with a "bytecode" field.
|
||||
#[derive(Debug, Deserialize)]
|
||||
struct MyContractArtifact {
|
||||
bytecode: BytecodeObject,
|
||||
}
|
||||
|
||||
/// Reads the given JSON file (a Forge artifact) and returns the raw creation code bytes.
|
||||
///
|
||||
/// * `filename`: path to the artifact JSON (e.g. `../onchain/out/Push3Interpreter.sol/Push3Interpreter.json`)
|
||||
pub fn get_creation_code(filename: &str) -> Result<Vec<u8>> {
|
||||
// 1) Read the JSON file
|
||||
let creation_json = fs::read_to_string(filename)
|
||||
.map_err(|e| anyhow!("Failed to read JSON file {}: {}", filename, e))?;
|
||||
|
||||
// 2) Parse
|
||||
let contract_artifact: MyContractArtifact = serde_json::from_str(&creation_json)
|
||||
.map_err(|e| anyhow!("Failed to parse JSON artifact: {}", e))?;
|
||||
|
||||
// 3) Extract the hex code
|
||||
let raw_hex = &contract_artifact.bytecode.object;
|
||||
let stripped_hex = raw_hex.trim_start_matches("0x");
|
||||
|
||||
// 4) Convert from hex => bytes
|
||||
match hex::decode(stripped_hex) {
|
||||
Ok(bytes) => Ok(bytes),
|
||||
Err(e) => bail!("Invalid hex for creation code: {e}"),
|
||||
}
|
||||
}
|
||||
@@ -1 +0,0 @@
|
||||
pub mod artifact;
|
||||
@@ -1,4 +0,0 @@
|
||||
pub mod compiler;
|
||||
pub mod runner;
|
||||
pub mod gp;
|
||||
pub mod helpers;
|
||||
+132
-74
File diff suppressed because one or more lines are too long
@@ -1,232 +0,0 @@
|
||||
//! src/evm_integration/revm_runner.rs
|
||||
//!
|
||||
//! This module provides a thin wrapper around REVM to deploy a Push3Interpreter
|
||||
//! contract, then call its `runInterpreter(...)` function with flexible inputs/outputs,
|
||||
//! using the same style (Context::builder(), .modify_tx_chained, etc.) you had in your main.
|
||||
|
||||
use anyhow::{anyhow, bail, Result};
|
||||
use ethers::abi::{encode, decode, Token, ParamType};
|
||||
use ethers::types::U256;
|
||||
use ethers::utils;
|
||||
use database::CacheDB;
|
||||
use revm::{
|
||||
context::Context,
|
||||
context::{BlockEnv, TxEnv, CfgEnv},
|
||||
context_interface::result::{ExecutionResult, Output},
|
||||
database_interface::EmptyDB,
|
||||
handler::EthHandler,
|
||||
primitives::{Bytes, TxKind}, // 4 generics
|
||||
EvmCommit,
|
||||
MainEvm,
|
||||
};
|
||||
|
||||
// We import your AST definitions so we can call `ast.to_bytecode()`.
|
||||
use crate::compiler::ast::{UntypedAst, Push3Ast};
|
||||
|
||||
// If you have a descriptor helper (like make_sublist_descriptor), bring it in:
|
||||
use crate::compiler::push3_describtor::make_sublist_descriptor;
|
||||
|
||||
/// The input parameters for `runInterpreter(...)`: four fields (code, codeStack, execStack, intStack).
|
||||
pub struct Push3InterpreterInputs {
|
||||
pub code: Vec<u8>,
|
||||
pub init_code_stack: Vec<U256>,
|
||||
pub init_exec_stack: Vec<U256>,
|
||||
pub init_int_stack: Vec<i128>,
|
||||
}
|
||||
|
||||
/// The outputs from `runInterpreter(...)`: three arrays for code/exec/int stacks.
|
||||
pub struct Push3InterpreterOutputs {
|
||||
pub final_code_stack: Vec<U256>,
|
||||
pub final_exec_stack: Vec<U256>,
|
||||
pub final_int_stack: Vec<i128>,
|
||||
}
|
||||
|
||||
/// A thin wrapper around REVM, parameterized by the 4 generics (DB, BLOCK, TX, CFG).
|
||||
/// - We store the ephemeral EVM instance,
|
||||
/// - We store the deployed address of your `Push3Interpreter`,
|
||||
/// - We provide `run_interpreter` and `run_ast`.
|
||||
pub struct EvmRunner {
|
||||
/// The 4-parameter MainEvm:
|
||||
/// DB = CacheDB<EmptyDB>,
|
||||
/// BLOCK = BlockEnv,
|
||||
/// TX = TxEnv,
|
||||
/// CFG = CfgEnv
|
||||
pub evm: MainEvm<CacheDB<EmptyDB>, BlockEnv, TxEnv, CfgEnv>,
|
||||
|
||||
/// The address where Push3Interpreter was deployed.
|
||||
pub interpreter_addr: revm::primitives::Address,
|
||||
}
|
||||
|
||||
impl EvmRunner {
|
||||
/// Deploy a new ephemeral EVM with a "Create" transaction for the given `creation_code`.
|
||||
///
|
||||
/// This matches your older style of:
|
||||
/// `MainEvm::new(Context::builder()... .with_db(...), EthHandler::default())`
|
||||
pub fn new(creation_code: Vec<u8>) -> Result<Self> {
|
||||
// 1) Create the EVM using your old style: `Context::builder()...`
|
||||
// Then pass to MainEvm::new(...).
|
||||
// The difference is that we explicitly say MainEvm<DB,BLOCK,TX,CFG>.
|
||||
let mut evm = MainEvm::new(
|
||||
// a) Prepare context with a chained transaction to CREATE
|
||||
Context::builder()
|
||||
.modify_tx_chained(|tx| {
|
||||
tx.transact_to = TxKind::Create;
|
||||
tx.data = Bytes::from(creation_code.clone());
|
||||
})
|
||||
// b) Provide ephemeral DB
|
||||
.with_db(CacheDB::<EmptyDB>::default()),
|
||||
// c) The EthHandler for block/tx environment logic
|
||||
EthHandler::default(),
|
||||
);
|
||||
|
||||
// 2) Execute the CREATE transaction
|
||||
let creation_result = evm.exec_commit()?;
|
||||
let ExecutionResult::Success {
|
||||
output: Output::Create(_, Some(deployed_addr)),
|
||||
..
|
||||
} = creation_result
|
||||
else {
|
||||
bail!("Interpreter deployment failed or no address returned: {creation_result:#?}");
|
||||
};
|
||||
|
||||
// 3) Return the EvmRunner
|
||||
Ok(Self {
|
||||
evm,
|
||||
interpreter_addr: deployed_addr,
|
||||
})
|
||||
}
|
||||
|
||||
/// Call `runInterpreter(bytes,uint256[],uint256[],int256[])` on the deployed contract,
|
||||
/// returning the final code/exec/int stacks.
|
||||
pub fn run_interpreter(
|
||||
&mut self,
|
||||
inputs: &Push3InterpreterInputs
|
||||
) -> Result<Push3InterpreterOutputs> {
|
||||
// 1) Build function selector
|
||||
let func_selector = &utils::id("runInterpreter(bytes,uint256[],uint256[],int256[])")[0..4];
|
||||
|
||||
// 2) Convert each field to `ethers::abi::Token`
|
||||
let code_token = Token::Bytes(inputs.code.clone());
|
||||
let init_code_stack = Token::Array(
|
||||
inputs.init_code_stack
|
||||
.iter()
|
||||
.map(|&u| Token::Uint(u))
|
||||
.collect()
|
||||
);
|
||||
let init_exec_stack = Token::Array(
|
||||
inputs.init_exec_stack
|
||||
.iter()
|
||||
.map(|&u| Token::Uint(u))
|
||||
.collect()
|
||||
);
|
||||
let init_int_stack = Token::Array(
|
||||
inputs.init_int_stack
|
||||
.iter()
|
||||
.map(|&val_i128| {
|
||||
// store i128 as a U256. If you need negative values, do a two’s complement approach.
|
||||
let as_u128 = val_i128 as u128;
|
||||
Token::Int(U256::from(as_u128))
|
||||
})
|
||||
.collect()
|
||||
);
|
||||
|
||||
// 3) Encode
|
||||
let encoded_args = encode(&[
|
||||
code_token,
|
||||
init_code_stack,
|
||||
init_exec_stack,
|
||||
init_int_stack,
|
||||
]);
|
||||
|
||||
// 4) Build final call data
|
||||
let mut call_data = Vec::from(func_selector);
|
||||
call_data.extend_from_slice(&encoded_args);
|
||||
|
||||
// 5) Modify the transaction to CALL the deployed interpreter
|
||||
self.evm.context.modify_tx(|tx| {
|
||||
tx.transact_to = TxKind::Call(self.interpreter_addr);
|
||||
tx.data = Bytes::from(call_data);
|
||||
tx.nonce = 1; // increment nonce to avoid reuse
|
||||
});
|
||||
|
||||
// 6) Execute the call
|
||||
let call_result = self.evm.transact()?;
|
||||
match &call_result.result {
|
||||
ExecutionResult::Success {
|
||||
output: Output::Call(return_data),
|
||||
..
|
||||
} => {
|
||||
// 7) Decode (uint256[], uint256[], int256[])
|
||||
let param_types = &[
|
||||
ParamType::Array(Box::new(ParamType::Uint(256))), // finalCodeStack
|
||||
ParamType::Array(Box::new(ParamType::Uint(256))), // finalExecStack
|
||||
ParamType::Array(Box::new(ParamType::Int(256))), // finalIntStack
|
||||
];
|
||||
let decoded = decode(param_types, return_data)
|
||||
.map_err(|e| anyhow!("Failed to decode return data: {e}"))?;
|
||||
|
||||
// parse each array
|
||||
let final_code_stack = match &decoded[0] {
|
||||
Token::Array(arr) => arr.iter().filter_map(|t| {
|
||||
if let Token::Uint(u) = t { Some(*u) } else { None }
|
||||
}).collect(),
|
||||
_ => Vec::new(),
|
||||
};
|
||||
let final_exec_stack = match &decoded[1] {
|
||||
Token::Array(arr) => arr.iter().filter_map(|t| {
|
||||
if let Token::Uint(u) = t { Some(*u) } else { None }
|
||||
}).collect(),
|
||||
_ => Vec::new(),
|
||||
};
|
||||
let final_int_stack = match &decoded[2] {
|
||||
Token::Array(arr) => arr.iter().filter_map(|t| {
|
||||
if let Token::Int(u256_val) = t {
|
||||
// read only the lower 128 bits => ignoring sign extension
|
||||
let lo = u256_val.low_u128();
|
||||
Some(lo as i128)
|
||||
} else {
|
||||
None
|
||||
}
|
||||
}).collect(),
|
||||
_ => Vec::new(),
|
||||
};
|
||||
|
||||
Ok(Push3InterpreterOutputs {
|
||||
final_code_stack,
|
||||
final_exec_stack,
|
||||
final_int_stack,
|
||||
})
|
||||
}
|
||||
ExecutionResult::Revert { gas_used, output } => {
|
||||
bail!("Call reverted: gas used={gas_used:?}, output={output:?}")
|
||||
}
|
||||
other => {
|
||||
bail!("Call failed: {other:?}")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// A convenience method to run an `UntypedAst`:
|
||||
/// - Convert AST => push3 code,
|
||||
/// - Build a sublist descriptor in the exec stack,
|
||||
/// - Call `run_interpreter`.
|
||||
pub fn run_ast(&mut self, ast: &UntypedAst) -> Result<Push3InterpreterOutputs> {
|
||||
// 1) Convert AST => push3 bytecode
|
||||
let code_bytes = ast.to_bytecode();
|
||||
let code_len = code_bytes.len() as u32;
|
||||
|
||||
// 2) Build a sublist descriptor
|
||||
let descriptor = make_sublist_descriptor(0, code_len);
|
||||
|
||||
// 3) Put code in `code` and sublist descriptor in `execStack`
|
||||
let inputs = Push3InterpreterInputs {
|
||||
code: code_bytes,
|
||||
init_code_stack: Vec::new(),
|
||||
init_exec_stack: vec![descriptor],
|
||||
init_int_stack: Vec::new(),
|
||||
};
|
||||
|
||||
// 4) Run interpreter
|
||||
self.run_interpreter(&inputs)
|
||||
}
|
||||
}
|
||||
@@ -9,6 +9,11 @@ import "forge-std/console.sol";
|
||||
* a token-based bytecode approach.
|
||||
*/
|
||||
contract Push3Interpreter {
|
||||
// -----------------------------------------------------
|
||||
// 0. CONSTANTS
|
||||
// -----------------------------------------------------
|
||||
uint8 internal constant OPCODE_BOOL_OFFSET = 0x6;
|
||||
|
||||
// -----------------------------------------------------
|
||||
// 1. ENUMS
|
||||
// -----------------------------------------------------
|
||||
@@ -16,7 +21,8 @@ contract Push3Interpreter {
|
||||
NO_TAG, // 0
|
||||
INSTRUCTION, // 1
|
||||
INT_LITERAL, // 2
|
||||
SUBLIST // 3
|
||||
SUBLIST, // 3
|
||||
BOOL_LITERAL // 4
|
||||
}
|
||||
|
||||
enum OpCode {
|
||||
@@ -25,7 +31,24 @@ contract Push3Interpreter {
|
||||
INTEGER_MINUS, // 2
|
||||
INTEGER_MULT, // 3
|
||||
INTEGER_DUP, // 4
|
||||
INTEGER_POP // 5
|
||||
INTEGER_POP, // 5
|
||||
BOOL_DUP, // OPCODE_BOOL_OFFSET + 0
|
||||
BOOL_POP, // OPCODE_BOOL_OFFSET + 1
|
||||
BOOL_SWAP, // OPCODE_BOOL_OFFSET + 2
|
||||
BOOL_FLUSH, // OPCODE_BOOL_OFFSET + 3
|
||||
BOOL_STACKDEPTH, // OPCODE_BOOL_OFFSET + 4
|
||||
BOOL_NOT, // OPCODE_BOOL_OFFSET + 5
|
||||
BOOL_AND, // OPCODE_BOOL_OFFSET + 6
|
||||
BOOL_OR, // OPCODE_BOOL_OFFSET + 7
|
||||
BOOL_EQ, // OPCODE_BOOL_OFFSET + 8
|
||||
BOOL_FROMFLOAT, // OPCODE_BOOL_OFFSET + 9
|
||||
BOOL_FROMINTEGER,// OPCODE_BOOL_OFFSET + 10
|
||||
BOOL_ROT, // OPCODE_BOOL_OFFSET + 11
|
||||
BOOL_SHOVE, // OPCODE_BOOL_OFFSET + 12
|
||||
BOOL_YANK, // OPCODE_BOOL_OFFSET + 13
|
||||
BOOL_YANKDUP, // OPCODE_BOOL_OFFSET + 14
|
||||
BOOL_DEFINE, // OPCODE_BOOL_OFFSET + 15
|
||||
BOOL_RAND // OPCODE_BOOL_OFFSET + 16
|
||||
}
|
||||
|
||||
// -----------------------------------------------------
|
||||
@@ -85,11 +108,21 @@ contract Push3Interpreter {
|
||||
return makeDescriptor(CodeTag.INT_LITERAL, 0, 0, masked);
|
||||
}
|
||||
|
||||
function makeBoolLiteral(bool val) internal pure returns (uint256) {
|
||||
uint256 masked;
|
||||
if (val) masked = uint256(1);
|
||||
return makeDescriptor(CodeTag.BOOL_LITERAL, 0, 0, masked);
|
||||
}
|
||||
|
||||
function extractInt32(uint256 desc) internal pure returns (int32) {
|
||||
// read the low 32 bits
|
||||
return int32(uint32(getLow184(desc)));
|
||||
}
|
||||
|
||||
function extractBool(uint256 desc) internal pure returns (bool) {
|
||||
return desc & 1 == 1;
|
||||
}
|
||||
|
||||
// -----------------------------------------------------
|
||||
// 3. HELPER READS
|
||||
// -----------------------------------------------------
|
||||
|
||||
Reference in New Issue
Block a user