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working on conversion back to rust

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This commit is contained in:
Andrew Segavac
2021-07-23 08:58:17 -06:00
parent 691009dd59
commit e41c2973a4
3 changed files with 203 additions and 38 deletions
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25
src/grammar.lalrpop
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@@ -2,11 +2,30 @@ use std::str::FromStr;
use crate::ast;
use crate::types;
grammar;
grammar(id_generator: ast::IdGenerator);
pub LiteralInt: ast::LiteralInt = {
<literal:r"[0-9]+"> => ast::LiteralInt{value: i64::from_str(literal).unwrap()}
pub TypeUsage: ast::TypeUsage = {
"fn" "(" <args:Comma<TypeUsage>> ")" => ast::TypeUsage::Function(ast::FunctionTypeUsage{arguments: args, return_type: ast::new_unit()}),
"fn" "(" <args:Comma<TypeUsage>> ")" ":" <return_type:TypeUsage> => ast::TypeUsage::Function(ast::FunctionTypeUsage{arguments: args, return_type: return_type),
<name:Identifier> => ast::TypeUsage::Named(ast::NamedTypeUsage{name: name})
};
pub LiteralInt: i64 = {
<literal:r"[0-9]+"> => i64::from_str(literal).unwrap()
};
pub SpannedLiteralInt: ast::LiteralInt {
<literal_int:Spanned<LiteralInt>> => ast::LiteralInt{value: literal_int, type: ast::new_named("i64")},
};
pub LiteralFloat: f64 = {
<literal:r"[0-9]+\.[0-9]+"> => f64::from_str(literal).unwrap()
};
pub SpannedLiteralInt: ast::LiteralFloat {
<literal_float:Spanned<LiteralFloat>> => ast::LiteralFloat{value: literal_float, type: ast::new_named("f64")},
};
pub Identifier: ast::Identifier = {