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Implement block / indent based parsing

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... and enforce that defs can only occur in blocks (or, inside parenthesized expressions)
This commit is contained in:
Joshua Warner 2024-07-08 21:14:51 -07:00
parent d5db3137a3
commit 4f32f43048
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GPG key ID: 89AD497003F93FDD
304 changed files with 12050 additions and 8876 deletions
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27
crates/compiler/test_syntax/src/test_helpers.rs
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@ -4,12 +4,12 @@ use roc_parse::{
ast::{Defs, Expr, Malformed, Module},
module::parse_module_defs,
parser::{Parser, SyntaxError},
remove_spaces::RemoveSpaces,
state::State,
test_helpers::{parse_defs_with, parse_expr_with, parse_header_with},
};
use roc_test_utils::assert_multiline_str_eq;
use roc_fmt::spaces::RemoveSpaces;
use roc_fmt::Buf;
/// Source code to parse. Usually in the form of a test case.
@ -28,6 +28,25 @@ pub enum Input<'a> {
Full(&'a str),
}
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub enum InputKind {
Header,
ModuleDefs,
Expr,
Full,
}
impl InputKind {
pub fn with_text(self, text: &str) -> Input {
match self {
InputKind::Header => Input::Header(text),
InputKind::ModuleDefs => Input::ModuleDefs(text),
InputKind::Expr => Input::Expr(text),
InputKind::Full => Input::Full(text),
}
}
}
// Owned version of `Input`
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum InputOwned {
@ -38,7 +57,7 @@ pub enum InputOwned {
}
impl InputOwned {
fn as_ref(&self) -> Input {
pub fn as_ref(&self) -> Input {
match self {
InputOwned::Header(s) => Input::Header(s),
InputOwned::ModuleDefs(s) => Input::ModuleDefs(s),
@ -64,7 +83,7 @@ pub enum Output<'a> {
}
impl<'a> Output<'a> {
fn format(&self) -> InputOwned {
pub fn format(&self) -> InputOwned {
let arena = Bump::new();
let mut buf = Buf::new_in(&arena);
match self {
@ -172,7 +191,7 @@ impl<'a> Input<'a> {
let (header, defs) = header.upgrade_header_imports(arena);
let module_defs = parse_module_defs(arena, state, defs).unwrap();
let module_defs = parse_module_defs(arena, state, defs)?;
Ok(Output::Full {
header,