From de02d2891ec7f7b295e33887d49de954f677387a Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 14 Aug 2018 11:46:46 +0300
Subject: full range expr
---
crates/libsyntax2/src/grammar/expressions/mod.rs | 6 ++++-
.../data/parser/inline/0102_full_range_expr.rs | 1 +
.../data/parser/inline/0102_full_range_expr.txt | 28 ++++++++++++++++++++++
3 files changed, 34 insertions(+), 1 deletion(-)
create mode 100644 crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.rs
create mode 100644 crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.txt
(limited to 'crates/libsyntax2')
diff --git a/crates/libsyntax2/src/grammar/expressions/mod.rs b/crates/libsyntax2/src/grammar/expressions/mod.rs
index e56f3d30e..feef5f1d6 100644
--- a/crates/libsyntax2/src/grammar/expressions/mod.rs
+++ b/crates/libsyntax2/src/grammar/expressions/mod.rs
@@ -174,10 +174,14 @@ fn lhs(p: &mut Parser, r: Restrictions) -> Option<CompletedMarker> {
p.bump();
PREFIX_EXPR
}
+ // test full_range_expr
+ // fn foo() { xs[..]; }
DOTDOT => {
m = p.start();
p.bump();
- expr_bp(p, r, 2);
+ if EXPR_FIRST.contains(p.current()) {
+ expr_bp(p, r, 2);
+ }
return Some(m.complete(p, RANGE_EXPR));
}
_ => {
diff --git a/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.rs b/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.rs
new file mode 100644
index 000000000..ae21ad94c
--- /dev/null
+++ b/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.rs
@@ -0,0 +1 @@
+fn foo() { xs[..]; }
diff --git a/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.txt
new file mode 100644
index 000000000..8e7b403c5
--- /dev/null
+++ b/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.txt
@@ -0,0 +1,28 @@
+FILE@[0; 21)
+ FN_DEF@[0; 20)
+ FN_KW@[0; 2)
+ WHITESPACE@[2; 3)
+ NAME@[3; 6)
+ IDENT@[3; 6) "foo"
+ PARAM_LIST@[6; 8)
+ L_PAREN@[6; 7)
+ R_PAREN@[7; 8)
+ WHITESPACE@[8; 9)
+ BLOCK_EXPR@[9; 20)
+ L_CURLY@[9; 10)
+ WHITESPACE@[10; 11)
+ EXPR_STMT@[11; 18)
+ INDEX_EXPR@[11; 17)
+ PATH_EXPR@[11; 13)
+ PATH@[11; 13)
+ PATH_SEGMENT@[11; 13)
+ NAME_REF@[11; 13)
+ IDENT@[11; 13) "xs"
+ L_BRACK@[13; 14)
+ RANGE_EXPR@[14; 16)
+ DOTDOT@[14; 16)
+ R_BRACK@[16; 17)
+ SEMI@[17; 18)
+ WHITESPACE@[18; 19)
+ R_CURLY@[19; 20)
+ WHITESPACE@[20; 21)
--
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