moved all crates into seperate folder + related path fixes

crates/ast/src/parse/mod.rs

@@ -0,0 +1,2 @@
+pub mod parse_ast;
+pub mod parse_header;

crates/ast/src/parse/parse_ast.rs

@@ -0,0 +1,54 @@
+use bumpalo::Bump;
+use roc_module::symbol::Interns;
+use roc_region::all::Region;
+
+use crate::{
+    ast_error::ASTResult,
+    lang::{
+        core::{
+            ast::AST,
+            def::{def2::DefId, def_to_def2::str_to_def2},
+            expr::expr2::Expr2,
+        },
+        env::Env,
+        scope::Scope,
+    },
+};
+
+use super::parse_header;
+
+pub fn parse_from_string<'a>(
+    code_str: &'a str,
+    env: &mut Env<'a>,
+    ast_arena: &'a Bump,
+    interns: &mut Interns,
+) -> ASTResult<AST> {
+    let blank_line_indx = code_str
+        .find("\n\n")
+        .expect("I was expecting two newline chars to split header and rest of code.");
+
+    let header_str = &code_str[0..blank_line_indx];
+    let tail_str = &code_str[blank_line_indx..];
+
+    let mut scope = Scope::new(env.home, env.pool, env.var_store);
+    scope.fill_scope(env, &mut interns.all_ident_ids)?;
+
+    let region = Region::zero();
+
+    let mut def_ids = Vec::<DefId>::new();
+
+    let def2_vec = str_to_def2(ast_arena, tail_str, env, &mut scope, region)?;
+
+    for def2 in def2_vec {
+        let def_id = env.pool.add(def2);
+
+        def_ids.push(def_id);
+    }
+
+    let ast_node_id = env.pool.add(Expr2::Blank);
+
+    Ok(AST {
+        header: parse_header::parse_from_string(header_str, ast_node_id),
+        def_ids,
+    })
+}

crates/ast/src/parse/parse_header.rs

@@ -0,0 +1,12 @@
+use crate::lang::core::{expr::expr2::ExprId, header::AppHeader};
+
+// TODO don't use mock struct and actually parse string
+pub fn parse_from_string(_header_str: &str, ast_node_id: ExprId) -> AppHeader {
+    AppHeader {
+        app_name: "\"untitled-app\"".to_owned(),
+        packages_base: "\"c-platform/main.roc\"".to_owned(),
+        imports: vec![],
+        provides: vec!["main".to_owned()],
+        ast_node_id,
+    }
+}