feat(panel): color stder

This commit is contained in:
Barrett Ruth 2025-09-20 10:41:52 -04:00
parent 4e880a2d84
commit 21b7765105
5 changed files with 387 additions and 12 deletions

183
lua/cp/ansi.lua Normal file
View file

@ -0,0 +1,183 @@
---@class AnsiParseResult
---@field lines string[]
---@field highlights table[]
local M = {}
---@param raw_output string|table
---@return string
function M.bytes_to_string(raw_output)
if type(raw_output) == 'string' then
return raw_output
end
return table.concat(vim.tbl_map(string.char, raw_output))
end
---@param text string
---@return AnsiParseResult
function M.parse_ansi_text(text)
local clean_text = text:gsub('\027%[[%d;]*[a-zA-Z]', '')
local lines = vim.split(clean_text, '\n', { plain = true, trimempty = false })
local highlights = {}
local line_num = 0
local col_pos = 0
local current_style = nil
local i = 1
while i <= #text do
local ansi_start, ansi_end, code, cmd = text:find('\027%[([%d;]*)([a-zA-Z])', i)
if ansi_start then
if ansi_start > i then
local segment = text:sub(i, ansi_start - 1)
if current_style then
local start_line = line_num
local start_col = col_pos
for char in segment:gmatch('.') do
if char == '\n' then
if col_pos > start_col then
table.insert(highlights, {
line = start_line,
col_start = start_col,
col_end = col_pos,
highlight_group = current_style,
})
end
line_num = line_num + 1
start_line = line_num
col_pos = 0
start_col = 0
else
col_pos = col_pos + 1
end
end
if col_pos > start_col then
table.insert(highlights, {
line = start_line,
col_start = start_col,
col_end = col_pos,
highlight_group = current_style,
})
end
else
for char in segment:gmatch('.') do
if char == '\n' then
line_num = line_num + 1
col_pos = 0
else
col_pos = col_pos + 1
end
end
end
end
if cmd == 'm' then
local logger = require('cp.log')
logger.log('Found color code: "' .. code .. '"')
current_style = M.ansi_code_to_highlight(code)
logger.log('Mapped to highlight: ' .. (current_style or 'nil'))
end
i = ansi_end + 1
else
local segment = text:sub(i)
if current_style and segment ~= '' then
local start_line = line_num
local start_col = col_pos
for char in segment:gmatch('.') do
if char == '\n' then
if col_pos > start_col then
table.insert(highlights, {
line = start_line,
col_start = start_col,
col_end = col_pos,
highlight_group = current_style,
})
end
line_num = line_num + 1
start_line = line_num
col_pos = 0
start_col = 0
else
col_pos = col_pos + 1
end
end
if col_pos > start_col then
table.insert(highlights, {
line = start_line,
col_start = start_col,
col_end = col_pos,
highlight_group = current_style,
})
end
end
break
end
end
return {
lines = lines,
highlights = highlights,
}
end
---@param code string
---@return string?
function M.ansi_code_to_highlight(code)
local color_map = {
-- Simple colors
['31'] = 'CpAnsiRed',
['32'] = 'CpAnsiGreen',
['33'] = 'CpAnsiYellow',
['34'] = 'CpAnsiBlue',
['35'] = 'CpAnsiMagenta',
['36'] = 'CpAnsiCyan',
['37'] = 'CpAnsiWhite',
['91'] = 'CpAnsiBrightRed',
['92'] = 'CpAnsiBrightGreen',
['93'] = 'CpAnsiBrightYellow',
-- Bold colors (G++ style)
['01;31'] = 'CpAnsiBrightRed', -- bold red
['01;32'] = 'CpAnsiBrightGreen', -- bold green
['01;33'] = 'CpAnsiBrightYellow', -- bold yellow
['01;34'] = 'CpAnsiBrightBlue', -- bold blue
['01;35'] = 'CpAnsiBrightMagenta', -- bold magenta
['01;36'] = 'CpAnsiBrightCyan', -- bold cyan
-- Bold/formatting only
['01'] = 'CpAnsiBold', -- bold text
['1'] = 'CpAnsiBold', -- bold text (alternate)
-- Reset codes
['0'] = nil,
[''] = nil,
}
return color_map[code]
end
function M.setup_highlight_groups()
local groups = {
CpAnsiRed = { fg = vim.g.terminal_color_1 },
CpAnsiGreen = { fg = vim.g.terminal_color_2 },
CpAnsiYellow = { fg = vim.g.terminal_color_3 },
CpAnsiBlue = { fg = vim.g.terminal_color_4 },
CpAnsiMagenta = { fg = vim.g.terminal_color_5 },
CpAnsiCyan = { fg = vim.g.terminal_color_6 },
CpAnsiWhite = { fg = vim.g.terminal_color_7 },
CpAnsiBrightRed = { fg = vim.g.terminal_color_9 },
CpAnsiBrightGreen = { fg = vim.g.terminal_color_10 },
CpAnsiBrightYellow = { fg = vim.g.terminal_color_11 },
CpAnsiBrightBlue = { fg = vim.g.terminal_color_12 },
CpAnsiBrightMagenta = { fg = vim.g.terminal_color_13 },
CpAnsiBrightCyan = { fg = vim.g.terminal_color_14 },
CpAnsiBold = { bold = true },
}
for name, opts in pairs(groups) do
vim.api.nvim_set_hl(0, name, opts)
end
end
return M

View file

@ -86,9 +86,13 @@ function M.compile_generic(language_config, substitutions)
logger.log(('compiling: %s'):format(table.concat(compile_cmd, ' ')))
local start_time = vim.uv.hrtime()
local result = vim.system(compile_cmd, { text = true }):wait()
local result = vim.system(compile_cmd, { text = false }):wait()
local compile_time = (vim.uv.hrtime() - start_time) / 1000000
local ansi = require('cp.ansi')
result.stdout = ansi.bytes_to_string(result.stdout or '')
result.stderr = ansi.bytes_to_string(result.stderr or '')
if result.code == 0 then
logger.log(('compilation successful (%.1fms)'):format(compile_time))
else

View file

@ -251,8 +251,25 @@ local function toggle_run_panel(is_debug)
vim.api.nvim_set_option_value('modifiable', false, { buf = bufnr })
vim.api.nvim_set_option_value('readonly', was_readonly, { buf = bufnr })
local ansi = require('cp.ansi')
ansi.setup_highlight_groups()
vim.api.nvim_buf_clear_namespace(bufnr, test_list_namespace, 0, -1)
for _, hl in ipairs(highlights) do
local logger = require('cp.log')
logger.log(
'Applying extmark: buf='
.. bufnr
.. ' line='
.. hl.line
.. ' col='
.. hl.col_start
.. '-'
.. hl.col_end
.. ' group='
.. (hl.highlight_group or 'nil')
)
vim.api.nvim_buf_set_extmark(bufnr, test_list_namespace, hl.line, hl.col_start, {
end_col = hl.col_end,
hl_group = hl.highlight_group,
@ -382,6 +399,7 @@ local function toggle_run_panel(is_debug)
local expected_content = current_test.expected or ''
local actual_content = current_test.actual or '(not run yet)'
local actual_highlights = current_test.actual_highlights or {}
local is_compilation_failure = current_test.error
and current_test.error:match('Compilation failed')
local should_show_diff = current_test.status == 'fail'
@ -424,7 +442,7 @@ local function toggle_run_panel(is_debug)
else
if desired_mode == 'single' then
local lines = vim.split(actual_content, '\n', { plain = true, trimempty = true })
update_buffer_content(current_diff_layout.buffers[1], lines, {})
update_buffer_content(current_diff_layout.buffers[1], lines, actual_highlights)
elseif desired_mode == 'git' then
local diff_backend = require('cp.diff')
local backend = diff_backend.get_best_backend('git')
@ -438,13 +456,13 @@ local function toggle_run_panel(is_debug)
)
else
local lines = vim.split(actual_content, '\n', { plain = true, trimempty = true })
update_buffer_content(current_diff_layout.buffers[1], lines, {})
update_buffer_content(current_diff_layout.buffers[1], lines, actual_highlights)
end
else
local expected_lines = vim.split(expected_content, '\n', { plain = true, trimempty = true })
local actual_lines = vim.split(actual_content, '\n', { plain = true, trimempty = true })
update_buffer_content(current_diff_layout.buffers[1], expected_lines, {})
update_buffer_content(current_diff_layout.buffers[2], actual_lines, {})
update_buffer_content(current_diff_layout.buffers[2], actual_lines, actual_highlights)
if should_show_diff then
vim.api.nvim_set_option_value('diff', true, { win = current_diff_layout.windows[1] })
@ -472,6 +490,9 @@ local function toggle_run_panel(is_debug)
local test_render = require('cp.test_render')
test_render.setup_highlights()
local ansi = require('cp.ansi')
ansi.setup_highlight_groups()
local test_state = test_module.get_run_panel_state()
local tab_lines, tab_highlights = test_render.render_test_list(test_state)
update_buffer_content(test_buffers.tab_buf, tab_lines, tab_highlights)
@ -596,8 +617,8 @@ local function navigate_problem(delta, language)
local new_index = current_index + delta
if new_index < 1 or new_index > #problems then
local direction = delta > 0 and 'next' or 'previous'
logger.log(('no %s problem available'):format(direction), vim.log.levels.INFO)
local msg = delta > 0 and 'at last problem' or 'at first problem'
logger.log(msg, vim.log.levels.WARN)
return
end

View file

@ -4,6 +4,7 @@
---@field expected string
---@field status "pending"|"pass"|"fail"|"running"|"timeout"
---@field actual string?
---@field actual_highlights table[]?
---@field time_ms number?
---@field error string?
---@field selected boolean
@ -216,19 +217,41 @@ local function run_single_test_case(ctx, contest_config, cp_config, test_case)
.system(run_cmd, {
stdin = stdin_content,
timeout = timeout_ms,
text = true,
text = false,
})
:wait()
local execution_time = (vim.uv.hrtime() - start_time) / 1000000
local actual_output = (result.stdout or ''):gsub('\n$', '')
local stderr_output = (result.stderr or ''):gsub('\n$', '')
local ansi = require('cp.ansi')
local stdout_str = ansi.bytes_to_string(result.stdout or '')
local stderr_str = ansi.bytes_to_string(result.stderr or '')
local actual_output = stdout_str:gsub('\n$', '')
local stderr_output = stderr_str:gsub('\n$', '')
local actual_highlights = {}
if stderr_output ~= '' then
local stderr_parsed = ansi.parse_ansi_text(stderr_output)
local clean_stderr = table.concat(stderr_parsed.lines, '\n')
local line_offset
if actual_output ~= '' then
actual_output = actual_output .. '\n\n--- stderr ---\n' .. stderr_output
local stdout_lines = vim.split(actual_output, '\n')
line_offset = #stdout_lines + 2 -- +1 for empty line, +1 for "--- stderr ---"
actual_output = actual_output .. '\n\n--- stderr ---\n' .. clean_stderr
else
actual_output = '--- stderr ---\n' .. stderr_output
line_offset = 1 -- +1 for "--- stderr ---"
actual_output = '--- stderr ---\n' .. clean_stderr
end
for _, highlight in ipairs(stderr_parsed.highlights) do
table.insert(actual_highlights, {
line = highlight.line + line_offset,
col_start = highlight.col_start,
col_end = highlight.col_end,
highlight_group = highlight.highlight_group,
})
end
end
@ -264,6 +287,7 @@ local function run_single_test_case(ctx, contest_config, cp_config, test_case)
return {
status = status,
actual = actual_output,
actual_highlights = actual_highlights,
error = result.code ~= 0 and result.stderr or nil,
stderr = result.stderr or '',
time_ms = execution_time,
@ -317,6 +341,7 @@ function M.run_test_case(ctx, contest_config, cp_config, index)
test_case.status = result.status
test_case.actual = result.actual
test_case.actual_highlights = result.actual_highlights
test_case.error = result.error
test_case.stderr = result.stderr
test_case.time_ms = result.time_ms
@ -346,9 +371,44 @@ function M.get_run_panel_state()
end
function M.handle_compilation_failure(compilation_stderr)
local ansi = require('cp.ansi')
local logger = require('cp.log')
local clean_text = 'Compilation failed'
local highlights = {}
if compilation_stderr and compilation_stderr ~= '' then
logger.log('Raw compilation stderr length: ' .. #compilation_stderr)
logger.log('Has ANSI codes: ' .. tostring(compilation_stderr:find('\027%[[%d;]*m') ~= nil))
-- Show first 200 chars to see actual ANSI sequences
local sample = compilation_stderr:sub(1, 200):gsub('\027', '\\027')
logger.log('Stderr sample: ' .. sample)
local parsed = ansi.parse_ansi_text(compilation_stderr)
clean_text = table.concat(parsed.lines, '\n')
highlights = parsed.highlights
logger.log('Parsed highlights count: ' .. #highlights)
for i, hl in ipairs(highlights) do
logger.log(
'Highlight '
.. i
.. ': line='
.. hl.line
.. ' col='
.. hl.col_start
.. '-'
.. hl.col_end
.. ' group='
.. (hl.highlight_group or 'nil')
)
end
end
for i, test_case in ipairs(run_panel_state.test_cases) do
test_case.status = 'fail'
test_case.actual = compilation_stderr or 'Compilation failed'
test_case.actual = clean_text
test_case.actual_highlights = highlights
test_case.error = 'Compilation failed'
test_case.stderr = ''
test_case.time_ms = 0

107
spec/ansi_spec.lua Normal file
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@ -0,0 +1,107 @@
describe('ansi parser', function()
local ansi = require('cp.ansi')
describe('bytes_to_string', function()
it('returns string as-is', function()
local input = 'hello world'
assert.equals('hello world', ansi.bytes_to_string(input))
end)
it('converts byte array to string', function()
local input = { 104, 101, 108, 108, 111 }
assert.equals('hello', ansi.bytes_to_string(input))
end)
end)
describe('parse_ansi_text', function()
it('strips ansi codes from simple text', function()
local input = 'Hello \027[31mworld\027[0m!'
local result = ansi.parse_ansi_text(input)
assert.equals('Hello world!', table.concat(result.lines, '\n'))
end)
it('handles text without ansi codes', function()
local input = 'Plain text'
local result = ansi.parse_ansi_text(input)
assert.equals('Plain text', table.concat(result.lines, '\n'))
assert.equals(0, #result.highlights)
end)
it('creates correct highlight for colored text', function()
local input = 'Hello \027[31mworld\027[0m!'
local result = ansi.parse_ansi_text(input)
assert.equals(1, #result.highlights)
local highlight = result.highlights[1]
assert.equals(0, highlight.line)
assert.equals(6, highlight.col_start)
assert.equals(11, highlight.col_end)
assert.equals('CpAnsiRed', highlight.highlight_group)
end)
it('handles multiple colors on same line', function()
local input = '\027[31mred\027[0m and \027[32mgreen\027[0m'
local result = ansi.parse_ansi_text(input)
assert.equals('red and green', table.concat(result.lines, '\n'))
assert.equals(2, #result.highlights)
local red_highlight = result.highlights[1]
assert.equals(0, red_highlight.col_start)
assert.equals(3, red_highlight.col_end)
assert.equals('CpAnsiRed', red_highlight.highlight_group)
local green_highlight = result.highlights[2]
assert.equals(8, green_highlight.col_start)
assert.equals(13, green_highlight.col_end)
assert.equals('CpAnsiGreen', green_highlight.highlight_group)
end)
it('handles multiline colored text', function()
local input = '\027[31mline1\nline2\027[0m'
local result = ansi.parse_ansi_text(input)
assert.equals('line1\nline2', table.concat(result.lines, '\n'))
assert.equals(2, #result.highlights)
local line1_highlight = result.highlights[1]
assert.equals(0, line1_highlight.line)
assert.equals(0, line1_highlight.col_start)
assert.equals(5, line1_highlight.col_end)
local line2_highlight = result.highlights[2]
assert.equals(1, line2_highlight.line)
assert.equals(0, line2_highlight.col_start)
assert.equals(5, line2_highlight.col_end)
end)
it('handles compiler-like output', function()
local input =
"error.cpp:10:5: \027[1m\027[31merror:\027[0m\027[1m 'undefined' was not declared\027[0m"
local result = ansi.parse_ansi_text(input)
local clean_text = table.concat(result.lines, '\n')
assert.is_true(clean_text:find("error.cpp:10:5: error: 'undefined' was not declared") ~= nil)
assert.is_false(clean_text:find('\027') ~= nil)
end)
end)
describe('ansi_code_to_highlight', function()
it('maps standard colors', function()
assert.equals('CpAnsiRed', ansi.ansi_code_to_highlight('31'))
assert.equals('CpAnsiGreen', ansi.ansi_code_to_highlight('32'))
assert.equals('CpAnsiYellow', ansi.ansi_code_to_highlight('33'))
end)
it('handles reset codes', function()
assert.is_nil(ansi.ansi_code_to_highlight('0'))
assert.is_nil(ansi.ansi_code_to_highlight(''))
end)
it('handles unknown codes', function()
assert.is_nil(ansi.ansi_code_to_highlight('99'))
end)
end)
end)