feat: R assignment textobjects (#447)

Author: fbearoff

README.md

@@ -576,7 +576,7 @@ Here are some rules about the query names that should be noted.
 <tr>
 <td>Tree-Sitter query language</td><td><span title="@assignment.inner">⬜</span></td> <td><span title="@assignment.lhs">⬜</span></td> <td><span title="@assignment.outer">⬜</span></td> <td><span title="@assignment.rhs">⬜</span></td> <td><span title="@attribute.inner">⬜</span></td> <td><span title="@attribute.outer">⬜</span></td> <td><span title="@block.inner">⬜</span></td> <td><span title="@block.outer">⬜</span></td> <td><span title="@call.inner">⬜</span></td> <td><span title="@call.outer">⬜</span></td> <td><span title="@class.inner">⬜</span></td> <td><span title="@class.outer">⬜</span></td> <td><span title="@comment.inner">⬜</span></td> <td><span title="@comment.outer">⬜</span></td> <td><span title="@conditional.inner">⬜</span></td> <td><span title="@conditional.outer">⬜</span></td> <td><span title="@frame.inner">⬜</span></td> <td><span title="@frame.outer">⬜</span></td> <td><span title="@function.inner">⬜</span></td> <td><span title="@function.outer">⬜</span></td> <td><span title="@loop.inner">⬜</span></td> <td><span title="@loop.outer">⬜</span></td> <td><span title="@number.inner">⬜</span></td> <td><span title="@parameter.inner">⬜</span></td> <td><span title="@parameter.outer">⬜</span></td> <td><span title="@regex.inner">⬜</span></td> <td><span title="@regex.outer">⬜</span></td> <td><span title="@return.inner">⬜</span></td> <td><span title="@return.outer">⬜</span></td> <td><span title="@scopename.inner">⬜</span></td> <td><span title="@statement.outer">⬜</span></td> </tr>
 <tr>
-<td>r</td><td><span title="@assignment.inner">⬜</span></td> <td><span title="@assignment.lhs">⬜</span></td> <td><span title="@assignment.outer">⬜</span></td> <td><span title="@assignment.rhs">⬜</span></td> <td><span title="@attribute.inner">⬜</span></td> <td><span title="@attribute.outer">⬜</span></td> <td><span title="@block.inner">⬜</span></td> <td><span title="@block.outer">⬜</span></td> <td><span title="@call.inner">🟩</span></td> <td><span title="@call.outer">🟩</span></td> <td><span title="@class.inner">⬜</span></td> <td><span title="@class.outer">⬜</span></td> <td><span title="@comment.inner">⬜</span></td> <td><span title="@comment.outer">🟩</span></td> <td><span title="@conditional.inner">🟩</span></td> <td><span title="@conditional.outer">🟩</span></td> <td><span title="@frame.inner">⬜</span></td> <td><span title="@frame.outer">⬜</span></td> <td><span title="@function.inner">🟩</span></td> <td><span title="@function.outer">🟩</span></td> <td><span title="@loop.inner">🟩</span></td> <td><span title="@loop.outer">🟩</span></td> <td><span title="@number.inner">🟩</span></td> <td><span title="@parameter.inner">🟩</span></td> <td><span title="@parameter.outer">🟩</span></td> <td><span title="@regex.inner">⬜</span></td> <td><span title="@regex.outer">⬜</span></td> <td><span title="@return.inner">⬜</span></td> <td><span title="@return.outer">⬜</span></td> <td><span title="@scopename.inner">⬜</span></td> <td><span title="@statement.outer">🟩</span></td> </tr>
+<td>r</td><td><span title="@assignment.inner">🟩</span></td> <td><span title="@assignment.lhs">🟩</span></td> <td><span title="@assignment.outer">🟩</span></td> <td><span title="@assignment.rhs">🟩</span></td> <td><span title="@attribute.inner">⬜</span></td> <td><span title="@attribute.outer">⬜</span></td> <td><span title="@block.inner">⬜</span></td> <td><span title="@block.outer">⬜</span></td> <td><span title="@call.inner">🟩</span></td> <td><span title="@call.outer">🟩</span></td> <td><span title="@class.inner">⬜</span></td> <td><span title="@class.outer">⬜</span></td> <td><span title="@comment.inner">⬜</span></td> <td><span title="@comment.outer">🟩</span></td> <td><span title="@conditional.inner">🟩</span></td> <td><span title="@conditional.outer">🟩</span></td> <td><span title="@frame.inner">⬜</span></td> <td><span title="@frame.outer">⬜</span></td> <td><span title="@function.inner">🟩</span></td> <td><span title="@function.outer">🟩</span></td> <td><span title="@loop.inner">🟩</span></td> <td><span title="@loop.outer">🟩</span></td> <td><span title="@number.inner">🟩</span></td> <td><span title="@parameter.inner">🟩</span></td> <td><span title="@parameter.outer">🟩</span></td> <td><span title="@regex.inner">⬜</span></td> <td><span title="@regex.outer">⬜</span></td> <td><span title="@return.inner">⬜</span></td> <td><span title="@return.outer">⬜</span></td> <td><span title="@scopename.inner">⬜</span></td> <td><span title="@statement.outer">🟩</span></td> </tr>
 <tr>
 <td>racket</td><td><span title="@assignment.inner">⬜</span></td> <td><span title="@assignment.lhs">⬜</span></td> <td><span title="@assignment.outer">⬜</span></td> <td><span title="@assignment.rhs">⬜</span></td> <td><span title="@attribute.inner">⬜</span></td> <td><span title="@attribute.outer">⬜</span></td> <td><span title="@block.inner">⬜</span></td> <td><span title="@block.outer">⬜</span></td> <td><span title="@call.inner">⬜</span></td> <td><span title="@call.outer">⬜</span></td> <td><span title="@class.inner">⬜</span></td> <td><span title="@class.outer">⬜</span></td> <td><span title="@comment.inner">⬜</span></td> <td><span title="@comment.outer">⬜</span></td> <td><span title="@conditional.inner">⬜</span></td> <td><span title="@conditional.outer">⬜</span></td> <td><span title="@frame.inner">⬜</span></td> <td><span title="@frame.outer">⬜</span></td> <td><span title="@function.inner">⬜</span></td> <td><span title="@function.outer">⬜</span></td> <td><span title="@loop.inner">⬜</span></td> <td><span title="@loop.outer">⬜</span></td> <td><span title="@number.inner">⬜</span></td> <td><span title="@parameter.inner">⬜</span></td> <td><span title="@parameter.outer">⬜</span></td> <td><span title="@regex.inner">⬜</span></td> <td><span title="@regex.outer">⬜</span></td> <td><span title="@return.inner">⬜</span></td> <td><span title="@return.outer">⬜</span></td> <td><span title="@scopename.inner">⬜</span></td> <td><span title="@statement.outer">⬜</span></td> </tr>
 <tr>

queries/r/textobjects.scm

@@ -84,3 +84,25 @@
 
 ; number
 (float) @number.inner
+
+; assignment
+(left_assignment
+  name: (_) @assignment.lhs
+  value: (_) @assignment.inner @assignment.rhs) @assignment.outer
+
+(left_assignment
+  name: (_) @assignment.inner)
+
+(right_assignment
+  value: (_) @assignment.inner @assignment.lhs
+  name: (_) @assignment.rhs) @assignment.outer
+
+(right_assignment
+  name: (_) @assignment.inner)
+
+(equals_assignment
+  name: (_) @assignment.lhs
+  value: (_) @assignment.inner @assignment.rhs) @assignment.outer
+
+(equals_assignment
+  name: (_) @assignment.inner)