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Add grammar check

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This commit is contained in:
howardwu 2021-02-05 13:00:45 -08:00
parent d8fad17792
commit 6398f3cb1e
4 changed files with 157 additions and 9 deletions
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18
wasm/.resources/basic/expected_ast.json
View File

@ -8,7 +8,7 @@
"identifier": "{\"name\":\"main\",\"span\":\"{\\\"text\\\":\\\" function main() {\\\",\\\"line\\\":1,\\\"start\\\":10,\\\"end\\\":14}\"}",
"input": [],
"output": null,
"block" : {
"block": {
"statements": [
{
"Return": {
@ -27,7 +27,6 @@
]
}
},
"op": "Add",
"right": {
"Value": {
"Implicit": [
@ -41,6 +40,7 @@
]
}
},
"op": "Add",
"span": {
"text": " return 1 + 1",
"line": 2,
@ -49,7 +49,7 @@
}
}
},
"span" : {
"span": {
"text": " return 1 + 1",
"line": 2,
"start": 5,
@ -58,18 +58,18 @@
}
}
],
"span" : {
"text": " return 1 + 1",
"line": 2,
"start": 5,
"end": 17
"span": {
"text": " function main() {",
"line": 1,
"start": 17,
"end": 2
}
},
"span": {
"text": " function main() {",
"line": 1,
"start": 1,
"end": 1
"end": 2
}
}
},

85
wasm/.resources/basic/expected_grammar.json Normal file
View File

@ -0,0 +1,85 @@
{
"definitions": [
{
"Function": {
"identifier": {
"value": "main",
"span": {
"input": "main",
"start": 9,
"end": 13
}
},
"parameters": [],
"returns": null,
"block": {
"statements": [
{
"Return": {
"expression": {
"Binary": {
"operation": "Add",
"left": {
"Value": {
"Implicit": {
"Positive": {
"value": "1",
"span": {
"input": "1",
"start": 29,
"end": 30
}
}
}
}
},
"right": {
"Value": {
"Implicit": {
"Positive": {
"value": "1",
"span": {
"input": "1",
"start": 33,
"end": 34
}
}
}
}
},
"span": {
"input": "1 + 1",
"start": 29,
"end": 34
}
}
},
"span": {
"input": "return 1 + 1",
"start": 22,
"end": 34
}
}
}
],
"span": {
"input": "{\n return 1 + 1\n}",
"start": 16,
"end": 36
}
},
"span": {
"input": "function main() {\n return 1 + 1\n}",
"start": 0,
"end": 36
}
}
}
],
"eoi": null,
"span": {
"input": "function main() {\n return 1 + 1\n}\n",
"start": 0,
"end": 37
}
}

60
wasm/src/grammar.rs Normal file
View File

@ -0,0 +1,60 @@
// Copyright (C) 2019-2021 Aleo Systems Inc.
// This file is part of the Leo library.
// The Leo library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// The Leo library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
use leo_ast::Ast as LeoAst;
use leo_grammar::Grammar as LeoGrammar;
use std::path::Path;
use wasm_bindgen::prelude::*;
#[wasm_bindgen]
pub struct Grammar(pub(crate) String);
#[wasm_bindgen]
impl Grammar {
#[wasm_bindgen(constructor)]
pub fn new(filepath: &str, program_string: &str) -> Self {
let grammar = LeoGrammar::new(&Path::new(filepath), &program_string).unwrap();
Self(grammar.to_json_string().unwrap())
}
#[wasm_bindgen]
pub fn to_string(&self) -> String {
self.0.clone()
}
}
#[cfg(test)]
mod tests {
use super::*;
use wasm_bindgen_test::*;
#[wasm_bindgen_test]
fn grammar_test() {
let expected = include_str!("../.resources/basic/expected_grammar.json");
let filepath = "../.resources/basic/main.leo";
let program_string = include_str!("../.resources/basic/main.leo");
let candidate = Grammar::new(filepath, program_string).to_string();
let expected = JsValue::from_str(expected);
let candidate = JsValue::from_serde(&candidate).unwrap();
assert_eq!(expected, candidate);
}
}

3
wasm/src/lib.rs
View File

@ -20,5 +20,8 @@
pub mod ast;
pub use ast::*;
pub mod grammar;
pub use grammar::*;
// pub mod compiler;
// pub use compiler::*;