index+lenght for value_explorer

src/calltree.js

@@ -722,7 +722,8 @@ const select_return_value = state => {
         node,
       },
       value_explorer: {
-        index: node.index + node.length, 
+        index: node.index,
+        length: node.length,
         result: result_node.result,
       },
     }, 
@@ -766,7 +767,8 @@ const select_arguments = (state, with_focus = true) => {
         node,
       },
       value_explorer: {
-        index: node.index + node.length, 
+        index: node.index,
+        length: node.length,
         result,
       },
     }, 

src/cmd.js

@@ -515,7 +515,8 @@ const eval_selection = (state, index, is_expand) => {
     selection_state,
     value_explorer: selection_state.ok
       ? {
-          index: selection_state.node.index + selection_state.node.length, 
+          index: selection_state.node.index,
+          length: selection_state.node.length,
           result,
         }
       : null
@@ -660,6 +661,7 @@ const get_value_explorer = (state, index) => {
       // cursor in args, show args
       return {
         index: frame.children[0].index,
+        length: frame.children[0].length,
         result: frame.children[0].result,
       }
     }
@@ -669,6 +671,7 @@ const get_value_explorer = (state, index) => {
     const result = frame.children[1].result
     return {
       index: frame.children[1].index,
+      length: frame.children[1].length,
       result: result.ok
         ? result
         : find_error_origin_node(frame.children[1]).result
@@ -729,6 +732,7 @@ const get_value_explorer = (state, index) => {
     } else if(stmt.type == 'let') {
       return {
         index: stmt.index,
+        length: stmt.length,
         result: 
           {
             ok: true, 
@@ -755,7 +759,7 @@ const get_value_explorer = (state, index) => {
     result = find_error_origin_node(stmt).result
   }
 
-  return {index: stmt.index, result}
+  return {index: stmt.index, length: stmt.length, result}
 }
 
 const do_move_cursor = (state, index) => {

src/editor/editor.js

@@ -199,7 +199,7 @@ export class Editor {
     }
   }
 
-  embed_value_explorer({index, result: {ok, value, error}}) {
+  embed_value_explorer({index, length, result: {ok, value, error}}) {
     this.unembed_value_explorer()
 
     const session = this.ace_editor.getSession()

test/test.js

@@ -2262,8 +2262,10 @@ const y = x()`
     // expand call
     const s3 = COMMANDS.calltree.arrow_right(s2)
     const s4 = COMMANDS.move_cursor(s3, code.indexOf('a'))
+    const selected = '(a, b)'
     assert_equal(s4.value_explorer, {
-      index: code.indexOf('(a, b)'),
+      index: code.indexOf(selected),
+      length: selected.length,
       result: {ok: true, value: {a: 1, b: 2}},
     })
   }),
@@ -2277,6 +2279,7 @@ const y = x()`
     const s2 = COMMANDS.move_cursor(s1, code.indexOf('2'))
     assert_equal(s2.value_explorer, {
       index: code.indexOf('y*2'),
+      length: 3,
       result: {ok: true, value: 4},
     })
   }),
@@ -2290,6 +2293,7 @@ const y = x()`
     const s2 = COMMANDS.move_cursor(s1, code.indexOf('x'))
     assert_equal(s2.value_explorer, {
       index: code.indexOf('let x'),
+      length: 5,
       result: {ok: true, value: {x: 1}},
     })
   }),