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Copy pathchat_context.lua
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585 lines (502 loc) · 16.6 KB
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local base_context = require('opencode.context.base_context')
local util = require('opencode.util')
local state = require('opencode.state')
local Promise = require('opencode.promise')
local M = {}
M.context = {
mentioned_files = {},
selections = {},
mentioned_subagents = {},
current_file = nil,
cursor_data = nil,
linter_errors = nil,
}
---@param path string
---@param prompt? string
---@return OpencodeMessagePart
local function format_file_part(path, prompt)
local rel_path = vim.fn.fnamemodify(path, ':~:.')
local mention = '@' .. rel_path
local pos = prompt and prompt:find(mention)
pos = pos and pos - 1 or 0 -- convert to 0-based index
local ext = vim.fn.fnamemodify(path, ':e'):lower()
local mime_type = 'text/plain'
if ext == 'png' then
mime_type = 'image/png'
elseif ext == 'jpg' or ext == 'jpeg' then
mime_type = 'image/jpeg'
elseif ext == 'gif' then
mime_type = 'image/gif'
elseif ext == 'webp' then
mime_type = 'image/webp'
end
local file_part = { filename = rel_path, type = 'file', mime = mime_type, url = 'file://' .. path }
if prompt then
file_part.source = {
path = path,
type = 'file',
text = { start = pos, value = mention, ['end'] = pos + #mention },
}
end
return file_part
end
---@param selection OpencodeContextSelection
---@return OpencodeMessagePart
local function format_selection_part(selection)
local lang = util.get_markdown_filetype(selection.file and selection.file.name or '') or ''
return {
type = 'text',
metadata = {
context_type = 'selection',
},
text = vim.json.encode({
context_type = 'selection',
file = selection.file,
content = string.format('`````%s\n%s\n`````', lang, selection.content),
lines = selection.lines,
}),
synthetic = true,
}
end
---@param diagnostics OpencodeDiagnostic[]
---@param range? { start_line: integer, end_line: integer }|nil
---@return OpencodeMessagePart
local function format_diagnostics_part(diagnostics, range)
local diag_list = {}
for _, diag in ipairs(diagnostics) do
if not range or (diag.lnum >= range.start_line and diag.lnum <= range.end_line) then
local short_msg = diag.message:gsub('%s+', ' '):gsub('^%s', ''):gsub('%s$', '')
table.insert(
diag_list,
{ msg = short_msg, severity = diag.severity, pos = 'l' .. diag.lnum + 1 .. ':c' .. diag.col + 1 }
)
end
end
return {
type = 'text',
metadata = {
context_type = 'diagnostics',
},
text = vim.json.encode({ context_type = 'diagnostics', content = diag_list }),
synthetic = true,
}
end
---@param cursor_data table
---@param get_current_buf fun(): integer|nil Function to get current buffer
---@return OpencodeMessagePart
local function format_cursor_data_part(cursor_data, get_current_buf)
local buf = (get_current_buf() or 0) --[[@as integer]]
local lang = util.get_markdown_filetype(vim.api.nvim_buf_get_name(buf)) or ''
return {
type = 'text',
metadata = {
context_type = 'cursor-data',
lang = lang,
},
text = vim.json.encode({
context_type = 'cursor-data',
line = cursor_data.line,
column = cursor_data.column,
line_content = string.format('`````%s\n%s\n`````', lang, cursor_data.line_content),
lines_before = cursor_data.lines_before,
lines_after = cursor_data.lines_after,
}),
synthetic = true,
}
end
---@param agent string
---@param prompt string
---@return OpencodeMessagePart
local function format_subagents_part(agent, prompt)
local mention = '@' .. agent
local pos = prompt:find(mention)
pos = pos and pos - 1 or 0 -- convert to 0-based index
return {
type = 'agent',
name = agent,
source = { value = mention, start = pos, ['end'] = pos + #mention },
}
end
---@param buf integer
---@return OpencodeMessagePart
local function format_buffer_part(buf)
local file = vim.api.nvim_buf_get_name(buf)
local rel_path = vim.fn.fnamemodify(file, ':~:.')
return {
type = 'text',
text = table.concat(vim.api.nvim_buf_get_lines(buf, 0, -1, false), '\n'),
metadata = {
context_type = 'file-content',
filename = rel_path,
mime = 'text/plain',
},
synthetic = true,
}
end
---@param diff_text string
---@return OpencodeMessagePart
local function format_git_diff_part(diff_text)
return {
type = 'text',
metadata = {
context_type = 'git-diff',
},
text = diff_text,
synthetic = true,
}
end
-- Global context management functions
function M.add_selection(selection)
-- Ensure selections is always a table
if not M.context.selections then
M.context.selections = {}
end
-- prevent duplicate selection (same exact line range) from being added
for _, sel in ipairs(M.context.selections) do
if sel.file.path == selection.file.path and sel.lines == selection.lines then
return
end
end
table.insert(M.context.selections, selection)
state.context.set_context_updated_at(vim.uv.now())
end
function M.remove_selection(selection)
if not M.context.selections then
M.context.selections = {}
return
end
for i, sel in ipairs(M.context.selections) do
if sel.file.path == selection.file.path and sel.lines == selection.lines then
table.remove(M.context.selections, i)
break
end
end
state.context.set_context_updated_at(vim.uv.now())
end
function M.clear_selections()
M.context.selections = {}
state.context.set_context_updated_at(vim.uv.now())
end
function M.add_file(file)
local is_file = vim.fn.filereadable(file) == 1
local is_dir = vim.fn.isdirectory(file) == 1
file = vim.fn.fnamemodify(file, ':p')
if not M.context.mentioned_files then
M.context.mentioned_files = {}
end
if not vim.tbl_contains(M.context.mentioned_files, file) then
table.insert(M.context.mentioned_files, file)
end
state.context.set_context_updated_at(vim.uv.now())
end
function M.remove_file(file)
if not M.context.mentioned_files then
M.context.mentioned_files = {}
return
end
file = vim.fn.fnamemodify(file, ':p')
for i, f in ipairs(M.context.mentioned_files) do
if f == file then
table.remove(M.context.mentioned_files, i)
break
end
end
state.context.set_context_updated_at(vim.uv.now())
end
function M.clear_files()
M.context.mentioned_files = {}
state.context.set_context_updated_at(vim.uv.now())
end
function M.add_subagent(subagent)
-- Ensure mentioned_subagents is always a table
if not M.context.mentioned_subagents then
M.context.mentioned_subagents = {}
end
if not vim.tbl_contains(M.context.mentioned_subagents, subagent) then
table.insert(M.context.mentioned_subagents, subagent)
end
state.context.set_context_updated_at(vim.uv.now())
end
function M.remove_subagent(subagent)
if not M.context.mentioned_subagents then
M.context.mentioned_subagents = {}
return
end
for i, a in ipairs(M.context.mentioned_subagents) do
if a == subagent then
table.remove(M.context.mentioned_subagents, i)
break
end
end
state.context.set_context_updated_at(vim.uv.now())
end
function M.clear_subagents()
M.context.mentioned_subagents = {}
state.context.set_context_updated_at(vim.uv.now())
end
function M.unload_attachments()
M.context.mentioned_files = {}
M.context.selections = {}
state.context.set_context_updated_at(vim.uv.now())
end
function M.get_mentioned_files()
return M.context.mentioned_files or {}
end
function M.get_selections()
return M.context.selections or {}
end
function M.get_mentioned_subagents()
return M.context.mentioned_subagents or {}
end
-- Chat-context-aware get_diagnostics that considers stored selections
---@param buf integer
---@param context_config? OpencodeContextConfig
---@param range? { start_line: integer, end_line: integer }
---@return OpencodeDiagnostic[]|nil
function M.get_diagnostics(buf, context_config, range)
-- Use explicit range if provided
if range then
return base_context.get_diagnostics(buf, context_config, range)
end
if M.context.selections and #M.context.selections > 0 then
local selection_ranges = {}
for _, sel in ipairs(M.context.selections) do
if sel.lines then
-- Handle both formats: "1, 5" and "1-5"
local start_line, end_line = sel.lines:match('(%d+)[,%-]%s*(%d+)')
if not start_line then
-- Single line case like "5, 5" or just "5"
start_line = sel.lines:match('(%d+)')
end_line = start_line
end
if start_line then
local start_num = tonumber(start_line)
local end_num = tonumber(end_line)
if start_num and end_num then
-- Convert to 0-based
local selection_range = {
start_line = start_num - 1,
end_line = end_num - 1,
}
table.insert(selection_ranges, selection_range)
end
end
end
end
if #selection_ranges > 0 then
return base_context.get_diagnostics(buf, context_config, selection_ranges)
end
end
return base_context.get_diagnostics(buf, context_config, nil)
end
---@param current_file table|nil
---@return boolean, boolean -- should_update, is_different_file
function M.should_update_current_file(current_file)
if not M.context.current_file then
return current_file ~= nil, false
end
if not current_file then
return true, false
end
-- Different file name means update needed
if M.context.current_file.name ~= current_file.name then
return true, true
end
-- Same file, check modification time
local file_path = current_file.path
if not file_path or vim.fn.filereadable(file_path) ~= 1 then
return false, false
end
local stat = vim.uv.fs_stat(file_path)
if not (stat and stat.mtime and stat.mtime.sec) then
return false, false
end
local file_mtime_sec = stat.mtime.sec --[[@as number]]
local last_sent_mtime = M.context.current_file.sent_at_mtime or 0
return file_mtime_sec > last_sent_mtime, false
end
-- Load function that populates the global context state
-- This is the core loading logic that was originally in the main context module
function M.load()
if not state.active_session and not state.is_opening then
return
end
local buf, win = base_context.get_current_buf()
if not buf or not win then
return
end
local prev_current_file = vim.deepcopy(M.context.current_file)
local prev_cursor_data = vim.deepcopy(M.context.cursor_data)
local prev_linter_errors = vim.deepcopy(M.context.linter_errors)
local current_file = base_context.get_current_file(buf)
local cursor_data = base_context.get_current_cursor_data(buf, win)
local should_update_file = M.should_update_current_file(current_file)
if should_update_file then
M.context.current_file = current_file
if M.context.current_file then
M.context.current_file.sent_at = nil
M.context.current_file.sent_at_mtime = nil
end
end
M.context.cursor_data = cursor_data
M.context.linter_errors = M.get_diagnostics(buf, nil, nil)
if
not vim.deep_equal(prev_current_file, M.context.current_file)
or not vim.deep_equal(prev_cursor_data, M.context.cursor_data)
or not vim.deep_equal(prev_linter_errors, M.context.linter_errors)
then
state.context.set_context_updated_at(vim.uv.now())
end
-- Handle current selection
if base_context.is_context_enabled('selection') then
local current_selection = base_context.get_current_selection()
if current_selection then
local selection_file = base_context.get_current_file_for_selection(buf)
if selection_file then
local selection = base_context.new_selection(selection_file, current_selection.text, current_selection.lines)
M.add_selection(selection)
end
end
end
end
---@param current_file table
local function set_file_sent_timestamps(current_file)
if not current_file then
return
end
current_file.sent_at = vim.uv.now()
local stat = vim.uv.fs_stat(current_file.path)
if stat and stat.mtime and stat.mtime.sec then
current_file.sent_at_mtime = stat.mtime.sec
end
end
-- This function creates a context snapshot with delta logic against the last sent context
function M.delta_context(opts)
local config = require('opencode.config')
opts = opts or state.current_context_config or config.context
if opts.enabled == false then
return {
current_file = nil,
mentioned_files = nil,
selections = nil,
linter_errors = nil,
cursor_data = nil,
mentioned_subagents = nil,
}
end
local buf, win = base_context.get_current_buf()
if not buf then
return {}
end
local ctx = vim.deepcopy(M.context)
if ctx.current_file and M.context.current_file then
set_file_sent_timestamps(M.context.current_file)
set_file_sent_timestamps(ctx.current_file)
end
-- no need to send subagents again
local last_context = state.last_sent_context
if last_context then
if
ctx.mentioned_subagents
and last_context.mentioned_subagents
and vim.deep_equal(ctx.mentioned_subagents, last_context.mentioned_subagents)
then
ctx.mentioned_subagents = nil
M.context.mentioned_subagents = nil
end
end
state.context.set_context_updated_at(vim.uv.now())
return ctx
end
--- Formats context as structured message parts for the main chat interface
--- This is the main function that includes global state (mentioned files, selections, etc.)
---@param prompt string The user's instruction/prompt
---@param opts? { range?: { start: integer, stop: integer }, context_config?: OpencodeContextConfig }
---@return table result { parts: OpencodeMessagePart[] }
M.format_message = Promise.async(function(prompt, opts)
opts = opts or {}
local context_config = opts.context_config
local buf, win = base_context.get_current_buf()
local range = opts.range
local parts = {}
for _, file_path in ipairs(M.context.mentioned_files or {}) do
table.insert(parts, format_file_part(file_path, prompt))
end
for _, agent in ipairs(M.context.mentioned_subagents or {}) do
table.insert(parts, format_subagents_part(agent, prompt))
end
if not buf then
table.insert(parts, { type = 'text', text = prompt })
return { parts = parts }
end
if
base_context.is_context_enabled('current_file', context_config)
and M.context.current_file
and not M.context.current_file.sent_at
then
table.insert(parts, format_file_part(M.context.current_file.path))
set_file_sent_timestamps(M.context.current_file)
end
if base_context.is_context_enabled('selection', context_config) then
local selections = {}
if range and range.start and range.stop then
local file = base_context.get_current_file_for_selection(buf)
if file then
local selection = base_context.new_selection(
file,
table.concat(
vim.api.nvim_buf_get_lines(buf, math.floor(range.start) - 1, math.floor(range.stop), false),
'\n'
),
string.format('%d-%d', math.floor(range.start), math.floor(range.stop))
)
table.insert(selections, selection)
end
end
local current_selection = base_context.get_current_selection(context_config)
if current_selection then
local file = base_context.get_current_file_for_selection(buf)
if file then
local selection = base_context.new_selection(file, current_selection.text, current_selection.lines)
table.insert(selections, selection)
end
end
for _, sel in ipairs(M.context.selections or {}) do
table.insert(selections, sel)
end
for _, sel in ipairs(selections) do
table.insert(parts, format_selection_part(sel))
end
end
if base_context.is_context_enabled('buffer', context_config) then
table.insert(parts, format_buffer_part(buf))
end
local diag_range = nil
if range then
diag_range = { start_line = math.floor(range.start) - 1, end_line = math.floor(range.stop) - 1 }
end
local diagnostics = M.get_diagnostics(buf, context_config, diag_range)
if diagnostics and #diagnostics > 0 then
table.insert(parts, format_diagnostics_part(diagnostics, diag_range))
end
if base_context.is_context_enabled('cursor_data', context_config) then
local cursor_data = base_context.get_current_cursor_data(buf, win, context_config)
if cursor_data then
table.insert(
parts,
format_cursor_data_part(cursor_data, function()
return buf
end)
)
end
end
if base_context.is_context_enabled('git_diff', context_config) then
local diff_text = base_context.get_git_diff(context_config):await()
if diff_text and diff_text ~= '' then
table.insert(parts, format_git_diff_part(diff_text))
end
end
table.insert(parts, { type = 'text', text = prompt })
return { parts = parts }
end)
return M