1 files changed, 91 insertions, 0 deletions
diff --git a/neovim/lua/vimrc/term.lua b/neovim/lua/vimrc/term.lua
new file mode 100644
index 0000000..409ff72
--- /dev/null
+++ b/neovim/lua/vimrc/term.lua
@@ -0,0 +1,91 @@
+local api = vim.api
+local cmd = vim.cmd
+
+local M = {}
+local jobid = nil
+local winid = nil
+
+
+local function bo(option, value)
+    api.nvim_buf_set_option(0, option, value)
+end
+
+local function launch_term(cmd, opts)
+  opts = opts or {}
+  vim.cmd("belowright new")
+  winid = vim.fn.win_getid()
+  api.nvim_win_set_var(0, 'REPL', 1)
+  bo('buftype', 'nofile')
+  bo('bufhidden', 'wipe')
+  bo('buflisted', false)
+  bo('swapfile', false)
+  opts = vim.tbl_extend('error', opts, {
+    on_exit = function()
+      jobid = nil
+    end
+  })
+  jobid = vim.fn.termopen(cmd, opts)
+end
+
+local function close_term()
+    if not jobid then return end
+    vim.fn.jobstop(jobid)
+    if api.nvim_win_is_valid(winid) then
+        api.nvim_win_close(winid, true)
+    end
+    winid = nil
+end
+
+function M.toggle()
+    if jobid then
+        close_term()
+    else
+        launch_term(vim.fn.environ()['SHELL'] or 'sh')
+    end
+end
+
+
+function M.run()
+    local filepath = api.nvim_buf_get_name(0)
+    close_term()
+    launch_term(filepath)
+end
+
+
+function M.sendLine(line)
+    if not jobid then return end
+    vim.fn.chansend(jobid, line .. '\n')
+end
+
+function M.sendSelection()
+    if not jobid then return end
+    local start_row, start_col = unpack(api.nvim_buf_get_mark(0, '<'))
+    local end_row, end_col = unpack(api.nvim_buf_get_mark(0, '>'))
+    local mode = vim.fn.visualmode()
+    local offset
+    if mode == '' then -- in block mode all following lines are indented
+      offset = start_col
+    elseif mode == 'V' then
+      end_row = end_row + 1
+      offset = 0
+    else
+      offset = 0
+    end
+    local lines = api.nvim_buf_get_lines(0, start_row - 1, end_row, false)
+    for idx, line in pairs(lines) do
+      local l
+      if idx == 1 and idx == #lines then
+        l = line:sub(start_col + 1, end_col + 1)
+      elseif idx == 1 then
+        l = line:sub(start_col + 1)
+      elseif idx == #lines then
+        l = line:sub(offset + 1, end_col > #line and #line or end_col + 1)
+      elseif offset > 0 then
+        l = line:sub(offset + 1)
+      else
+        l = line
+      end
+      vim.fn.chansend(jobid, l .. '\n')
+    end
+end
+return M