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Merge pull request #50 from AleoHQ/refactor/compiler

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Introduces LeoParser, removes pest for leo-compiler
This commit is contained in:
Howard Wu 2020-06-07 22:44:07 -07:00 committed by GitHub
commit 3575fb640f
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13 changed files with 90 additions and 157 deletions
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86
Cargo.lock generated
View File

@ -399,15 +399,6 @@ version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
[[package]]
name = "heck"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
dependencies = [
"unicode-segmentation",
]
[[package]]
name = "hermit-abi"
version = "0.1.8"
@ -492,7 +483,6 @@ dependencies = [
"snarkos-gadgets",
"snarkos-models",
"snarkos-utilities",
"structopt",
"thiserror",
"toml",
]
@ -514,12 +504,10 @@ dependencies = [
name = "leo-compiler"
version = "0.1.0"
dependencies = [
"from-pest",
"hex",
"leo-ast",
"leo-types",
"log",
"pest",
"rand",
"sha2",
"snarkos-algorithms",
@ -736,32 +724,6 @@ version = "0.2.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
[[package]]
name = "proc-macro-error"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "98e9e4b82e0ef281812565ea4751049f1bdcdfccda7d3f459f2e138a40c08678"
dependencies = [
"proc-macro-error-attr",
"proc-macro2 1.0.9",
"quote 1.0.3",
"syn 1.0.16",
"version_check",
]
[[package]]
name = "proc-macro-error-attr"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4f5444ead4e9935abd7f27dc51f7e852a0569ac888096d5ec2499470794e2e53"
dependencies = [
"proc-macro2 1.0.9",
"quote 1.0.3",
"syn 1.0.16",
"syn-mid",
"version_check",
]
[[package]]
name = "proc-macro2"
version = "0.4.30"
@ -1025,7 +987,6 @@ checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
[[package]]
name = "snarkos-algorithms"
version = "0.8.0"
source = "git+ssh://git@github.com/AleoHQ/snarkOS.git#ffef82772617e849badf05fbee283d9f34812d31"
dependencies = [
"blake2",
"derivative",
@ -1044,7 +1005,6 @@ dependencies = [
[[package]]
name = "snarkos-curves"
version = "0.8.0"
source = "git+ssh://git@github.com/AleoHQ/snarkOS.git#ffef82772617e849badf05fbee283d9f34812d31"
dependencies = [
"derivative",
"rand",
@ -1056,7 +1016,6 @@ dependencies = [
[[package]]
name = "snarkos-errors"
version = "0.8.0"
source = "git+ssh://git@github.com/AleoHQ/snarkOS.git#ffef82772617e849badf05fbee283d9f34812d31"
dependencies = [
"bincode",
"curl",
@ -1069,7 +1028,6 @@ dependencies = [
[[package]]
name = "snarkos-gadgets"
version = "0.8.0"
source = "git+ssh://git@github.com/AleoHQ/snarkOS.git#ffef82772617e849badf05fbee283d9f34812d31"
dependencies = [
"derivative",
"digest",
@ -1083,7 +1041,6 @@ dependencies = [
[[package]]
name = "snarkos-models"
version = "0.8.0"
source = "git+ssh://git@github.com/AleoHQ/snarkOS.git#ffef82772617e849badf05fbee283d9f34812d31"
dependencies = [
"derivative",
"rand",
@ -1096,12 +1053,10 @@ dependencies = [
[[package]]
name = "snarkos-profiler"
version = "0.8.0"
source = "git+ssh://git@github.com/AleoHQ/snarkOS.git#ffef82772617e849badf05fbee283d9f34812d31"
[[package]]
name = "snarkos-utilities"
version = "0.8.0"
source = "git+ssh://git@github.com/AleoHQ/snarkOS.git#ffef82772617e849badf05fbee283d9f34812d31"
dependencies = [
"rand",
]
@ -1124,30 +1079,6 @@ version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
[[package]]
name = "structopt"
version = "0.3.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "863246aaf5ddd0d6928dfeb1a9ca65f505599e4e1b399935ef7e75107516b4ef"
dependencies = [
"clap",
"lazy_static",
"structopt-derive",
]
[[package]]
name = "structopt-derive"
version = "0.4.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d239ca4b13aee7a2142e6795cbd69e457665ff8037aed33b3effdc430d2f927a"
dependencies = [
"heck",
"proc-macro-error",
"proc-macro2 1.0.9",
"quote 1.0.3",
"syn 1.0.16",
]
[[package]]
name = "subtle"
version = "1.0.0"
@ -1176,17 +1107,6 @@ dependencies = [
"unicode-xid 0.2.0",
]
[[package]]
name = "syn-mid"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7be3539f6c128a931cf19dcee741c1af532c7fd387baa739c03dd2e96479338a"
dependencies = [
"proc-macro2 1.0.9",
"quote 1.0.3",
"syn 1.0.16",
]
[[package]]
name = "synstructure"
version = "0.12.3"
@ -1267,12 +1187,6 @@ version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8f00ed7be0c1ff1e24f46c3d2af4859f7e863672ba3a6e92e7cff702bf9f06c2"
[[package]]
name = "unicode-segmentation"
version = "1.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
[[package]]
name = "unicode-width"
version = "0.1.7"

13
Cargo.toml
View File

@ -18,12 +18,12 @@ members = [ "ast", "compiler", "types" ]
[dependencies]
leo-compiler = { path = "compiler", version = "0.1.0" }
snarkos-algorithms = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-curves = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-errors = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-gadgets = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-models = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-utilities = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-algorithms = { path = "../snarkOS/algorithms", version = "0.8.0" }
snarkos-curves = { path = "../snarkOS/curves", version = "0.8.0" }
snarkos-errors = { path = "../snarkOS/errors", version = "0.8.0" }
snarkos-gadgets = { path = "../snarkOS/gadgets", version = "0.8.0" }
snarkos-models = { path = "../snarkOS/models", version = "0.8.0" }
snarkos-utilities = { path = "../snarkOS/utilities", version = "0.8.0" }
clap = { version = "2.33.0" }
colored = { version = "1.9" }
@ -34,6 +34,5 @@ rand = { version = "0.7" }
rand_core = { version = "0.5.1" }
serde = { version = "1.0", features = ["derive"] }
serde_json = { version = "1.0" }
structopt = { version = "0.3.14" }
toml = { version = "0.5" }
thiserror = { version = "1.0" }

3
ast/src/errors/mod.rs
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@ -1,2 +1,5 @@
pub mod parser;
pub use parser::*;
pub mod syntax;
pub use syntax::*;

22
ast/src/errors/parser.rs Normal file
View File

@ -0,0 +1,22 @@
use crate::{ast::Rule, errors::SyntaxError};
use pest::error::Error;
use std::path::PathBuf;
#[derive(Debug, Error)]
pub enum ParserError {
#[error("Cannot read from the provided file path - {:?}", _0)]
FileReadError(PathBuf),
#[error("{}", _0)]
SyntaxError(#[from] SyntaxError),
#[error("Unable to construct abstract syntax tree")]
SyntaxTreeError,
}
impl From<Error<Rule>> for ParserError {
fn from(error: Error<Rule>) -> Self {
ParserError::SyntaxError(SyntaxError::from(error))
}
}

28
ast/src/lib.rs
View File

@ -9,7 +9,7 @@ pub mod errors;
pub use errors::*;
pub mod access;
pub mod ast;
mod ast;
pub mod circuits;
pub mod common;
pub mod expressions;
@ -20,3 +20,29 @@ pub mod operations;
pub mod statements;
pub mod values;
pub mod types;
use from_pest::FromPest;
use std::{path::PathBuf, fs};
pub struct LeoParser;
impl LeoParser {
/// Reads in the given file path into a string.
pub fn load_file(file_path: &PathBuf) -> Result<String, ParserError> {
Ok(fs::read_to_string(file_path).map_err(|_| ParserError::FileReadError(file_path.clone()))?)
}
/// Parses the input file and constructs a syntax tree.
pub fn parse_file<'a>(file_path: &'a PathBuf, input_file: &'a str) -> Result<files::File<'a>, ParserError> {
// Parse the file using leo.pest
let mut file = ast::parse(input_file).map_err(|error| {
ParserError::from(error.with_path(file_path.to_str().unwrap()))
})?;
// Build the abstract syntax tree
let syntax_tree = files::File::from_pest(&mut file).map_err(|_| ParserError::SyntaxTreeError)?;
log::debug!("{:#?}", syntax_tree);
Ok(syntax_tree)
}
}

14
compiler/Cargo.toml
View File

@ -8,17 +8,15 @@ edition = "2018"
leo-ast = { path = "../ast", version = "0.1.0" }
leo-types = { path = "../types", version = "0.1.0" }
snarkos-algorithms = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-curves = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-errors = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-gadgets = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-models = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-utilities = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-algorithms = { path = "../../snarkOS/algorithms", version = "0.8.0" }
snarkos-curves = { path = "../../snarkOS/curves", version = "0.8.0" }
snarkos-errors = { path = "../../snarkOS/errors", version = "0.8.0" }
snarkos-gadgets = { path = "../../snarkOS/gadgets", version = "0.8.0" }
snarkos-models = { path = "../../snarkOS/models", version = "0.8.0" }
snarkos-utilities = { path = "../../snarkOS/utilities", version = "0.8.0" }
from-pest = { version = "0.3.1" }
hex = { version = "0.4.2" }
log = { version = "0.4" }
pest = { version = "2.0" }
rand = { version = "0.7" }
sha2 = { version = "0.8" }
thiserror = { version = "1.0" }

36
compiler/src/compiler.rs
View File

@ -5,7 +5,7 @@ use crate::{
errors::CompilerError,
GroupType,
};
use leo_ast::{ast, files::File};
use leo_ast::LeoParser;
use leo_types::{InputValue, Program};
use snarkos_errors::gadgets::SynthesisError;
@ -14,7 +14,6 @@ use snarkos_models::{
gadgets::r1cs::{ConstraintSynthesizer, ConstraintSystem, TestConstraintSystem},
};
use from_pest::FromPest;
use sha2::{Digest, Sha256};
use std::{fs, marker::PhantomData, path::PathBuf};
@ -76,36 +75,13 @@ impl<F: Field + PrimeField, G: GroupType<F>> Compiler<F, G> {
generate_test_constraints::<F, G>(cs, self.program)
}
// pub fn compile(&self) -> Result<File, CompilerError> {
// // Read in the main file as string
// let unparsed_file = fs::read_to_string(&self.main_file_path).map_err(|_| CompilerError::FileReadError(self.main_file_path.clone()))?;
//
// // Parse the file using leo.pest
// let mut file = ast::parse(&unparsed_file).map_err(|_| CompilerError::FileParsingError)?;
//
// // Build the abstract syntax tree
// let syntax_tree = File::from_pest(&mut file).map_err(|_| CompilerError::SyntaxTreeError)?;
// log::debug!("{:#?}", syntax_tree);
//
// Ok(syntax_tree)
// }
fn parse_program(&mut self) -> Result<(), CompilerError> {
// Read in the main file as string
let unparsed_file = fs::read_to_string(&self.main_file_path)
.map_err(|_| CompilerError::FileReadError(self.main_file_path.clone()))?;
// Build the program syntax tree
let file_path = &self.main_file_path;
let input_file = &LeoParser::load_file(file_path)?;
let syntax_tree = LeoParser::parse_file(file_path, input_file)?;
// Parse the file using leo.pest
let mut file = ast::parse(&unparsed_file).map_err(|error| {
CompilerError::from(error.with_path(&self.main_file_path.to_str().unwrap()))
})?;
// Build the abstract syntax tree
let syntax_tree =
File::from_pest(&mut file).map_err(|_| CompilerError::SyntaxTreeError)?;
log::debug!("{:#?}", syntax_tree);
// Build program from abstract syntax tree
// Build program from syntax tree
let package_name = self.package_name.clone();
self.program = Program::from(syntax_tree, package_name);

19
compiler/src/constraints/import.rs
View File

@ -4,15 +4,14 @@ use crate::{
new_scope,
GroupType,
};
use leo_ast::{ast, files::File};
use leo_ast::LeoParser;
use leo_types::{Import, Program};
use from_pest::FromPest;
use snarkos_models::{
curves::{Field, PrimeField},
gadgets::r1cs::ConstraintSystem,
};
use std::{env::current_dir, fs};
use std::env::current_dir;
impl<F: Field + PrimeField, G: GroupType<F>, CS: ConstraintSystem<F>> ConstrainedProgram<F, G, CS> {
pub fn enforce_import(
@ -35,16 +34,12 @@ impl<F: Field + PrimeField, G: GroupType<F>, CS: ConstraintSystem<F>> Constraine
println!("Compiling import - {:?}", main_file_path);
// Resolve program file path
let unparsed_file = fs::read_to_string(main_file_path.clone())
.map_err(|_| ImportError::FileReadError(main_file_path))?;
let mut file = ast::parse(&unparsed_file).map_err(|_| ImportError::FileParsingError)?;
// Build the abstract syntax tree
let file_path = &main_file_path;
let input_file = &LeoParser::load_file(file_path)?;
let syntax_tree = LeoParser::parse_file(file_path, input_file)?;
// generate ast from file
let syntax_tree =
File::from_pest(&mut file).map_err(|_| ImportError::SyntaxTreeError)?;
// generate aleo program from file
// Generate aleo program from file
let mut program = Program::from(syntax_tree, import.path_string.clone());
// Use same namespace as calling function for imported symbols

12
compiler/src/errors/compiler.rs
View File

@ -1,8 +1,7 @@
use crate::errors::{FunctionError, ImportError};
use leo_ast::{ast::Rule, SyntaxError};
use leo_ast::{SyntaxError, ParserError};
use leo_types::IntegerError;
use pest::error::Error;
use std::{io, path::PathBuf};
#[derive(Debug, Error)]
@ -34,6 +33,9 @@ pub enum CompilerError {
#[error("Main must be a function")]
NoMainFunction,
#[error("{}", _0)]
ParserError(#[from] ParserError),
#[error("{}", _0)]
SyntaxError(#[from] SyntaxError),
@ -43,9 +45,3 @@ pub enum CompilerError {
#[error("writing: {}", _0)]
Writing(io::Error),
}
impl From<Error<Rule>> for CompilerError {
fn from(error: Error<Rule>) -> Self {
CompilerError::SyntaxError(SyntaxError::from(error))
}
}

5
compiler/src/errors/constraints/import.rs
View File

@ -1,3 +1,5 @@
use leo_ast::ParserError;
use std::{io, path::PathBuf};
#[derive(Debug, Error)]
@ -11,6 +13,9 @@ pub enum ImportError {
#[error("Cannot read from the provided file path - {:?}", _0)]
FileReadError(PathBuf),
#[error("{}", _0)]
ParserError(#[from] ParserError),
#[error("Unable to construct abstract syntax tree")]
SyntaxTreeError,
}

4
compiler/tests/syntax/mod.rs
View File

@ -10,7 +10,7 @@ fn test_semicolon() {
.unwrap();
match error {
CompilerError::SyntaxError(_) => {}
_ => panic!("wrong error"),
CompilerError::ParserError(_) => {}
_ => panic!("test_semicolon failed the wrong expected error, should be a ParserError"),
}
}

4
types/Cargo.toml
View File

@ -7,7 +7,7 @@ edition = "2018"
[dependencies]
leo-ast = { path = "../ast", version = "0.1.0" }
snarkos-errors = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-models = { git = "ssh://git@github.com/AleoHQ/snarkOS.git", version = "0.8.0" }
snarkos-errors = { path = "../../snarkOS/errors", version = "0.8.0" }
snarkos-models = { path = "../../snarkOS/models", version = "0.8.0" }
thiserror = { version = "1.0" }

1
types/src/expression.rs
View File

@ -277,7 +277,6 @@ impl<'ast> From<Assignee<'ast>> for Expression {
}
}
impl<'ast> From<BinaryExpression<'ast>> for Expression {
fn from(expression: BinaryExpression<'ast>) -> Self {
match expression.operation {