mirror of
https://github.com/erg-lang/erg.git
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90 lines
2.9 KiB
Rust
90 lines
2.9 KiB
Rust
//! Implements `Parser` for Erg. `Parser` parses the source code to generate `AST`.
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//! The generated `AST`s are guaranteed to be identical if the source code is identical.
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//! However, identical `AST`s may be generated even if the source code is (a bit) different.
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#![allow(clippy::large_enum_variant)]
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extern crate erg_common;
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pub mod ast;
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pub mod build_ast;
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pub mod convert;
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pub mod desugar;
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pub mod error;
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pub mod lex;
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pub mod parse;
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pub mod token;
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pub mod typespec;
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pub mod visitor;
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pub use parse::{Parser, ParserRunner};
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pub use visitor::ASTVisitor;
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#[cfg(feature = "pylib")]
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use pyo3::prelude::*;
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#[cfg(feature = "pylib")]
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#[pyfunction]
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#[pyo3(name = "parse")]
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fn _parse(code: String) -> Result<ast::Module, error::ParseErrors> {
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parse::SimpleParser::parse(code)
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.map(|art| art.ast)
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.map_err(|iart| iart.errors)
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}
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#[cfg(feature = "pylib")]
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#[pymodule]
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fn erg_parser(py: Python<'_>, m: &PyModule) -> PyResult<()> {
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m.add_function(wrap_pyfunction!(_parse, m)?)?;
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let expr = PyModule::new(py, "expr")?;
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expr.add_class::<ast::Literal>()?;
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expr.add_class::<ast::NormalArray>()?;
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expr.add_class::<ast::NormalTuple>()?;
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expr.add_class::<ast::NormalDict>()?;
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expr.add_class::<ast::NormalSet>()?;
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expr.add_class::<ast::NormalRecord>()?;
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expr.add_class::<ast::BinOp>()?;
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expr.add_class::<ast::UnaryOp>()?;
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expr.add_class::<ast::Call>()?;
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expr.add_class::<ast::DataPack>()?;
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expr.add_class::<ast::Lambda>()?;
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expr.add_class::<ast::TypeAscription>()?;
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expr.add_class::<ast::Def>()?;
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expr.add_class::<ast::Methods>()?;
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expr.add_class::<ast::ClassDef>()?;
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expr.add_class::<ast::PatchDef>()?;
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expr.add_class::<ast::ReDef>()?;
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expr.add_class::<ast::Compound>()?;
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expr.add_class::<ast::InlineModule>()?;
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expr.add_class::<ast::Dummy>()?;
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m.add_submodule(expr)?;
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let ast = PyModule::new(py, "ast")?;
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ast.add_class::<ast::Literal>()?;
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ast.add_class::<ast::Identifier>()?;
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ast.add_class::<ast::Attribute>()?;
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ast.add_class::<ast::TupleAttribute>()?;
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ast.add_class::<ast::Subscript>()?;
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ast.add_class::<ast::TypeApp>()?;
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ast.add_class::<ast::NormalArray>()?;
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ast.add_class::<ast::NormalTuple>()?;
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ast.add_class::<ast::NormalDict>()?;
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ast.add_class::<ast::NormalSet>()?;
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ast.add_class::<ast::NormalRecord>()?;
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ast.add_class::<ast::BinOp>()?;
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ast.add_class::<ast::UnaryOp>()?;
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ast.add_class::<ast::Call>()?;
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ast.add_class::<ast::Args>()?;
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ast.add_class::<ast::Block>()?;
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ast.add_class::<ast::DataPack>()?;
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ast.add_class::<ast::Lambda>()?;
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ast.add_class::<ast::TypeAscription>()?;
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ast.add_class::<ast::Def>()?;
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ast.add_class::<ast::Methods>()?;
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ast.add_class::<ast::ClassDef>()?;
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ast.add_class::<ast::PatchDef>()?;
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ast.add_class::<ast::ReDef>()?;
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ast.add_class::<ast::Compound>()?;
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ast.add_class::<ast::InlineModule>()?;
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ast.add_class::<ast::Dummy>()?;
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m.add_submodule(ast)?;
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Ok(())
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}
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