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parse fn

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This commit is contained in:
nora 2021-10-31 18:30:57 +01:00
parent aa0a9cb0e5
commit 1824c9839f
4 changed files with 127 additions and 41 deletions
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41
src/parse/test.rs
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@ -4,9 +4,12 @@ use prelude::*;
mod prelude {
pub(super) use super::{parser, test_literal_bin_op, test_number_literal, token};
pub(super) use crate::ast::{BinaryOp, BinaryOpKind, Expr, Literal};
pub(super) use crate::ast::*;
pub(super) use crate::errors::Span;
pub(super) use crate::lex::{Token, TokenType};
pub(super) use crate::lex::{
Token,
TokenType::{self, *},
};
}
fn token(kind: TokenType) -> Token {
@ -50,10 +53,34 @@ fn test_number_literal<F: FnOnce(Vec<Token<'_>>) -> Expr>(parser: F) {
assert_eq!(Expr::Literal(Literal::Number(10.0, Span::dummy())), unary);
}
mod r#loop {
use super::prelude::*;
fn parse_loop(tokens: Vec<Token>) -> Stmt {
let mut parser = parser(tokens);
parser.loop_stmt().unwrap()
}
#[test]
fn empty() {
let tokens = [Loop, BraceO, BraceC].map(token).into();
let ast = parse_loop(tokens);
assert_eq!(
Stmt::Loop(
Block {
stmts: vec![],
span: Span::dummy()
},
Span::dummy()
),
ast
);
}
}
mod expr {
use super::prelude::*;
use crate::ast::{UnaryOp, UnaryOpKind};
use TokenType::*;
fn parse_expr(tokens: Vec<Token>) -> Expr {
let mut parser = parser(tokens);
@ -357,7 +384,13 @@ mod primary {
fn ident() {
let tokens = [TokenType::Ident("tokens")].map(token).into();
let literal = parse_primary(tokens);
assert_eq!(Expr::Ident("tokens".to_string(), Span::dummy()), literal);
assert_eq!(
Expr::Ident(Ident {
name: "tokens".to_string(),
span: Span::dummy()
}),
literal
);
}
#[test]