From c6f4a06b4297f498da4bc2cd747aa38effb855b0 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 18 Feb 2018 01:06:48 +0300
Subject: G: value_parameters, patterns & let statement
---
src/parser/grammar/items/mod.rs | 28 ++++++++++++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
(limited to 'src/parser/grammar/items')
diff --git a/src/parser/grammar/items/mod.rs b/src/parser/grammar/items/mod.rs
index 3af6d13a1..1fe646652 100644
--- a/src/parser/grammar/items/mod.rs
+++ b/src/parser/grammar/items/mod.rs
@@ -218,9 +218,33 @@ fn fn_item(p: &mut Parser) {
p.error("expected function arguments");
}
- if p.at(L_CURLY) {
- p.expect(L_CURLY);
+ block(p);
+
+ fn block(p: &mut Parser) {
+ if !p.at(L_CURLY) {
+ p.error("expected block");
+ }
+ let m = p.start();
+ p.bump();
+ while !p.at(EOF) && !p.at(R_CURLY) {
+ match p.current() {
+ LET_KW => let_stmt(p),
+ _ => p.err_and_bump("expected statement"),
+ }
+ }
p.expect(R_CURLY);
+ m.complete(p, BLOCK);
+ }
+
+ fn let_stmt(p: &mut Parser) {
+ assert!(p.at(LET_KW));
+ let m = p.start();
+ p.bump();
+ patterns::pattern(p);
+ p.expect(EQ);
+ expressions::expr(p);
+ p.expect(SEMI);
+ m.complete(p, LET_STMT);
}
}
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