Merge #3785

3785: Attach doc-comment to declaration if there are newlines in between r=matklad a=ltentrup

This commit changes the parser to attach doc-comments to the corresponding declaration in case there are newlines in between the doc-comment and the declaration.

Implements the changes proposed in #3757 

Co-authored-by: Leander Tentrup <[email protected]>

2 files changed, 20 insertions, 0 deletions

diff --git a/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.rs b/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.rs
new file mode 100644
index 000000000..1fafe216b
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.rs
@@ -0,0 +1,3 @@
+/// Example
+
+fn test() {}
diff --git a/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.txt b/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.txt
new file mode 100644
index 000000000..91d0c3736
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.txt
@@ -0,0 +1,17 @@
+SOURCE_FILE@[0; 26)
+  FN_DEF@[0; 25)
+    COMMENT@[0; 11) "/// Example"
+    WHITESPACE@[11; 13) "\n\n"
+    FN_KW@[13; 15) "fn"
+    WHITESPACE@[15; 16) " "
+    NAME@[16; 20)
+      IDENT@[16; 20) "test"
+    PARAM_LIST@[20; 22)
+      L_PAREN@[20; 21) "("
+      R_PAREN@[21; 22) ")"
+    WHITESPACE@[22; 23) " "
+    BLOCK_EXPR@[23; 25)
+      BLOCK@[23; 25)
+        L_CURLY@[23; 24) "{"
+        R_CURLY@[24; 25) "}"
+  WHITESPACE@[25; 26) "\n"