update: successfully transpile and run ccomplete#Complete

Author: tjdevries

crates/vim9-gen/src/lib.rs

@@ -1025,11 +1025,12 @@ impl Generate for Register {
 
 impl Generate for PrefixExpression {
     fn gen(&self, state: &mut State) -> String {
-        format!(
-            "NVIM9.prefix['{:?}']({})",
-            self.operator,
-            self.right.gen(state)
-        )
+        let right = self.right.gen(state);
+        match &self.operator {
+            parser::Operator::Increment => format!("{right} = {right} + 1"),
+            parser::Operator::Decrement => format!("{right} = {right} - 1"),
+            _ => format!("NVIM9.prefix['{:?}']({right})", self.operator,),
+        }
     }
 }
 

crates/vim9-gen/testdata/busted/assign.vim

@@ -53,3 +53,13 @@ def Test_unpacked_identifiers()
   assert_equal(1, x)
   assert_equal(2, y)
 enddef
+
+def Test_modifier_prefixes()
+  var foo = 10
+  --foo
+  assert_equal(9, foo)
+
+  ++foo
+  ++foo
+  assert_equal(11, foo)
+enddef

crates/vim9-gen/testdata/busted/methods_2.vim

@@ -1,9 +1,3 @@
-var foo = [1, 2, 3]
-foo
-    # Remove members, these can't appear without something in front.
-    ->filter((_, y): bool =>
-              y == 2)
-
 def Test_method_comments()
   var x = [1, 2, 3]
   x

crates/vim9-gen/testdata/output/busted_assign.lua

@@ -3,6 +3,7 @@ local __VIM9_MODULE = {}
 describe("filename", function()
   local Test_assignment_bool = nil
   local Test_unpacked_identifiers = nil
+  local Test_modifier_prefixes = nil
   -- vim9script
 
   it("Test_assignment_bool", function()
@@ -72,5 +73,22 @@ describe("filename", function()
     -- Assert that errors is still empty
     assert.are.same({}, vim.v.errors)
   end)
+
+  it("Test_modifier_prefixes", function()
+    -- Set errors to empty
+    vim.v.errors = {}
+
+    -- Actual test
+    local foo = 10
+    foo = foo - 1
+    NVIM9.fn["assert_equal"](9, foo)
+
+    foo = foo + 1
+    foo = foo + 1
+    NVIM9.fn["assert_equal"](11, foo)
+
+    -- Assert that errors is still empty
+    assert.are.same({}, vim.v.errors)
+  end)
 end)
 return __VIM9_MODULE

crates/vim9-gen/testdata/output/busted_methods_2.lua

@@ -2,13 +2,6 @@ local NVIM9 = require("vim9script")
 local __VIM9_MODULE = {}
 describe("filename", function()
   local Test_method_comments = nil
-  local foo = { 1, 2, 3 }
-  NVIM9.fn_mut("filter", {
-    foo,
-    function(_, y)
-      return NVIM9.ops["EqualTo"](y, 2)
-    end,
-  }, { replace = 0 })
 
   it("Test_method_comments", function()
     -- Set errors to empty

lua/vim9script/fn.lua

@@ -102,7 +102,6 @@ readdirex({directory} [, {expr} [, {dict}]])			*readdirex()*
 		itself because of performance reasons.
 --]=]
 fn.readdirex = function(dir)
-  print("DIR:", vim.inspect(dir))
   local files = vim.fn.readdir(dir)
   local direx = {}
   for _, f in ipairs(files) do
@@ -119,6 +118,19 @@ fn.mapnew = function(tbl, expr)
   return vim.fn.map(tbl, expr)
 end
 
+fn.typename = function(val)
+  local ty = type(val)
+  if ty == "string" then
+    return "string"
+  elseif ty == "boolean" then
+    return "bool"
+  elseif ty == "number" then
+    return "number"
+  else
+    error(string.format("typename: %s", val))
+  end
+end
+
 -- Popup menu stuff
 
 do
@@ -131,7 +143,6 @@ do
 
   fn.popup_menu = function(what, options)
     -- print "OPTIONS:"
-    -- P(options)
 
     local buf = vim.api.nvim_create_buf(false, true)
     local win = vim.api.nvim_open_win(buf, true, {

lua/vim9script/init.lua

@@ -115,9 +115,6 @@ M.slice = function(obj, start, finish)
     error("invalid type for slicing: " .. vim.inspect(obj))
   end
 
-  print("OBJ:", obj)
-  print("START", start)
-  print("FINISH", finish)
   return slicer(obj, start + 1, finish + 1)
 end