1
0
mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00
v/cmd/tools/vcheck-md.v
2022-01-04 12:21:12 +03:00

551 lines
13 KiB
V
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// Copyright (c) 2019-2022 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module main
import os
import os.cmdline
import rand
import term
import vhelp
import v.pref
import regex
const (
too_long_line_length_example = 120
too_long_line_length_codeblock = 120
too_long_line_length_table = 120
too_long_line_length_link = 150
too_long_line_length_other = 100
term_colors = term.can_show_color_on_stderr()
hide_warnings = '-hide-warnings' in os.args || '-w' in os.args
show_progress = os.getenv('GITHUB_JOB') == '' && '-silent' !in os.args
non_option_args = cmdline.only_non_options(os.args[2..])
)
struct CheckResult {
pub mut:
warnings int
errors int
oks int
}
fn (v1 CheckResult) + (v2 CheckResult) CheckResult {
return CheckResult{
warnings: v1.warnings + v2.warnings
errors: v1.errors + v2.errors
oks: v1.oks + v2.oks
}
}
fn main() {
if non_option_args.len == 0 || '-help' in os.args {
vhelp.show_topic('check-md')
exit(0)
}
if '-all' in os.args {
println('´-all´ flag is deprecated. Please use ´v check-md .´ instead.')
exit(1)
}
if show_progress {
// this is intended to be replaced by the progress lines
println('')
}
mut files_paths := non_option_args.clone()
mut res := CheckResult{}
if term_colors {
os.setenv('VCOLORS', 'always', true)
}
for i := 0; i < files_paths.len; i++ {
file_path := files_paths[i]
if os.is_dir(file_path) {
files_paths << md_file_paths(file_path)
continue
}
real_path := os.real_path(file_path)
lines := os.read_lines(real_path) or {
println('"$file_path" does not exist')
res.warnings++
continue
}
mut mdfile := MDFile{
path: file_path
lines: lines
}
res += mdfile.check()
}
if res.errors == 0 && show_progress {
term.clear_previous_line()
}
if res.warnings > 0 || res.errors > 0 || res.oks > 0 {
println('\nWarnings: $res.warnings | Errors: $res.errors | OKs: $res.oks')
}
if res.errors > 0 {
exit(1)
}
}
fn md_file_paths(dir string) []string {
mut files_to_check := []string{}
md_files := os.walk_ext(dir, '.md')
for file in md_files {
if file.contains_any_substr(['/thirdparty/', 'CHANGELOG']) {
continue
}
files_to_check << file
}
return files_to_check
}
fn wprintln(s string) {
if !hide_warnings {
println(s)
}
}
fn ftext(s string, cb fn (string) string) string {
if term_colors {
return cb(s)
}
return s
}
fn btext(s string) string {
return ftext(s, term.bold)
}
fn mtext(s string) string {
return ftext(s, term.magenta)
}
fn rtext(s string) string {
return ftext(s, term.red)
}
fn wline(file_path string, lnumber int, column int, message string) string {
return btext('$file_path:${lnumber + 1}:${column + 1}:') + btext(mtext(' warn:')) +
rtext(' $message')
}
fn eline(file_path string, lnumber int, column int, message string) string {
return btext('$file_path:${lnumber + 1}:${column + 1}:') + btext(rtext(' error: $message'))
}
const (
default_command = 'compile'
)
struct VCodeExample {
mut:
text []string
command string
sline int
eline int
}
enum MDFileParserState {
markdown
vexample
codeblock
}
struct MDFile {
path string
lines []string
mut:
examples []VCodeExample
current VCodeExample
state MDFileParserState = .markdown
}
fn (mut f MDFile) progress(message string) {
if show_progress {
term.clear_previous_line()
println('File: ${f.path:-30s}, Lines: ${f.lines.len:5}, $message')
}
}
fn (mut f MDFile) check() CheckResult {
mut res := CheckResult{}
mut anchor_data := AnchorData{}
for j, line in f.lines {
// f.progress('line: $j')
if f.state == .vexample {
if line.len > too_long_line_length_example {
wprintln(wline(f.path, j, line.len, 'long V example line'))
wprintln(line)
res.warnings++
}
} else if f.state == .codeblock {
if line.len > too_long_line_length_codeblock {
wprintln(wline(f.path, j, line.len, 'long code block line'))
wprintln(line)
res.warnings++
}
} else if line.starts_with('|') {
if line.len > too_long_line_length_table {
wprintln(wline(f.path, j, line.len, 'long table'))
wprintln(line)
res.warnings++
}
} else if line.contains('http') {
if line.all_after('https').len > too_long_line_length_link {
wprintln(wline(f.path, j, line.len, 'long link'))
wprintln(line)
res.warnings++
}
} else if line.len > too_long_line_length_other {
eprintln(eline(f.path, j, line.len, 'line too long'))
eprintln(line)
res.errors++
}
if f.state == .markdown {
anchor_data.add_links(j, line)
anchor_data.add_link_targets(j, line)
}
f.parse_line(j, line)
}
anchor_data.check_link_target_match(f.path, mut res)
res += f.check_examples()
return res
}
fn (mut f MDFile) parse_line(lnumber int, line string) {
if line.starts_with('```v') {
if f.state == .markdown {
f.state = .vexample
mut command := line.replace('```v', '').trim_space()
if command == '' {
command = default_command
} else if command == 'nofmt' {
command += ' $default_command'
}
f.current = VCodeExample{
sline: lnumber
command: command
}
}
return
}
if line.starts_with('```') {
match f.state {
.vexample {
f.state = .markdown
f.current.eline = lnumber
f.examples << f.current
f.current = VCodeExample{}
return
}
.codeblock {
f.state = .markdown
return
}
.markdown {
f.state = .codeblock
return
}
}
}
if f.state == .vexample {
f.current.text << line
}
}
struct Headline {
line int
lable string
level int
}
struct Anchor {
line int
}
type AnchorTarget = Anchor | Headline
struct AnchorLink {
line int
lable string
}
struct AnchorData {
mut:
links map[string][]AnchorLink
anchors map[string][]AnchorTarget
}
fn (mut ad AnchorData) add_links(line_number int, line string) {
query := r'\[(?P<lable>[^\]]+)\]\(\s*#(?P<link>[a-z0-9\-\_\x7f-\uffff]+)\)'
mut re := regex.regex_opt(query) or { panic(err) }
res := re.find_all_str(line)
for elem in res {
re.match_string(elem)
link := re.get_group_by_name(elem, 'link')
ad.links[link] << AnchorLink{
line: line_number
lable: re.get_group_by_name(elem, 'lable')
}
}
}
fn (mut ad AnchorData) add_link_targets(line_number int, line string) {
if line.trim_space().starts_with('#') {
if headline_start_pos := line.index(' ') {
headline := line.substr(headline_start_pos + 1, line.len)
link := create_ref_link(headline)
ad.anchors[link] << Headline{
line: line_number
lable: headline
level: headline_start_pos
}
}
} else {
query := '<a\\s*id=["\'](?P<link>[a-z0-9\\-\\_\\x7f-\\uffff]+)["\']\\s*/>'
mut re := regex.regex_opt(query) or { panic(err) }
res := re.find_all_str(line)
for elem in res {
re.match_string(elem)
link := re.get_group_by_name(elem, 'link')
ad.anchors[link] << Anchor{
line: line_number
}
}
}
}
fn (mut ad AnchorData) check_link_target_match(fpath string, mut res CheckResult) {
mut checked_headlines := []string{}
mut found_error_warning := false
for link, linkdata in ad.links {
if link in ad.anchors {
checked_headlines << link
if ad.anchors[link].len > 1 {
found_error_warning = true
res.errors++
for anchordata in ad.anchors[link] {
eprintln(eline(fpath, anchordata.line, 0, 'multiple link targets of existing link (#$link)'))
}
}
} else {
found_error_warning = true
res.errors++
for brokenlink in linkdata {
eprintln(eline(fpath, brokenlink.line, 0, 'no link target found for existing link [$brokenlink.lable](#$link)'))
}
}
}
for link, anchor_lists in ad.anchors {
if link !in checked_headlines {
if anchor_lists.len > 1 {
for anchor in anchor_lists {
line := match anchor {
Headline {
anchor.line
}
Anchor {
anchor.line
}
}
wprintln(wline(fpath, line, 0, 'multiple link target for non existing link (#$link)'))
found_error_warning = true
res.warnings++
}
}
}
}
if found_error_warning {
eprintln('') // fix suppressed last error output
}
}
// based on a reference sample md doc
// https://github.com/aheissenberger/vlang-markdown-module/blob/master/test.md
fn create_ref_link(s string) string {
mut result := ''
for c in s.trim_space() {
result += match c {
`a`...`z`, `0`...`9` {
c.ascii_str()
}
`A`...`Z` {
c.ascii_str().to_lower()
}
` `, `-` {
'-'
}
`_` {
'_'
}
else {
if c > 127 { c.ascii_str() } else { '' }
}
}
}
return result
}
fn (mut f MDFile) debug() {
for e in f.examples {
eprintln('f.path: $f.path | example: $e')
}
}
fn cmdexecute(cmd string) int {
res := os.execute(cmd)
if res.exit_code < 0 {
return 1
}
if res.exit_code != 0 {
eprint(res.output)
}
return res.exit_code
}
fn silent_cmdexecute(cmd string) int {
res := os.execute(cmd)
return res.exit_code
}
fn get_fmt_exit_code(vfile string, vexe string) int {
return silent_cmdexecute('"$vexe" fmt -verify $vfile')
}
fn (mut f MDFile) check_examples() CheckResult {
mut errors := 0
mut oks := 0
vexe := pref.vexe_path()
for e in f.examples {
if e.command == 'ignore' {
continue
}
if e.command == 'wip' {
continue
}
fname := os.base(f.path).replace('.md', '_md')
uid := rand.ulid()
vfile := os.join_path(os.temp_dir(), 'check_${fname}_example_${e.sline}__${e.eline}__${uid}.v')
mut should_cleanup_vfile := true
// eprintln('>>> checking example $vfile ...')
vcontent := e.text.join('\n') + '\n'
os.write_file(vfile, vcontent) or { panic(err) }
mut acommands := e.command.split(' ')
nofmt := 'nofmt' in acommands
for command in acommands {
f.progress('example from $e.sline to $e.eline, command: $command')
fmt_res := if nofmt { 0 } else { get_fmt_exit_code(vfile, vexe) }
match command {
'compile' {
res := cmdexecute('"$vexe" -w -Wfatal-errors -o x.c $vfile')
os.rm('x.c') or {}
if res != 0 || fmt_res != 0 {
if res != 0 {
eprintln(eline(f.path, e.sline, 0, 'example failed to compile'))
}
if fmt_res != 0 {
eprintln(eline(f.path, e.sline, 0, 'example is not formatted'))
}
eprintln(vcontent)
should_cleanup_vfile = false
errors++
continue
}
oks++
}
'globals' {
res := cmdexecute('"$vexe" -w -Wfatal-errors -enable-globals -o x.c $vfile')
os.rm('x.c') or {}
if res != 0 || fmt_res != 0 {
if res != 0 {
eprintln(eline(f.path, e.sline, 0, '`example failed to compile with -enable-globals'))
}
if fmt_res != 0 {
eprintln(eline(f.path, e.sline, 0, '`example is not formatted'))
}
eprintln(vcontent)
should_cleanup_vfile = false
errors++
continue
}
oks++
}
'live' {
res := cmdexecute('"$vexe" -w -Wfatal-errors -live -o x.c $vfile')
if res != 0 || fmt_res != 0 {
if res != 0 {
eprintln(eline(f.path, e.sline, 0, 'example failed to compile with -live'))
}
if fmt_res != 0 {
eprintln(eline(f.path, e.sline, 0, 'example is not formatted'))
}
eprintln(vcontent)
should_cleanup_vfile = false
errors++
continue
}
oks++
}
'failcompile' {
res := silent_cmdexecute('"$vexe" -w -Wfatal-errors -o x.c $vfile')
os.rm('x.c') or {}
if res == 0 || fmt_res != 0 {
if res == 0 {
eprintln(eline(f.path, e.sline, 0, '`failcompile` example compiled'))
}
if fmt_res != 0 {
eprintln(eline(f.path, e.sline, 0, 'example is not formatted'))
}
eprintln(vcontent)
should_cleanup_vfile = false
errors++
continue
}
oks++
}
'oksyntax' {
res := cmdexecute('"$vexe" -w -Wfatal-errors -check-syntax $vfile')
if res != 0 || fmt_res != 0 {
if res != 0 {
eprintln(eline(f.path, e.sline, 0, '`oksyntax` example with invalid syntax'))
}
if fmt_res != 0 {
eprintln(eline(f.path, e.sline, 0, '`oksyntax` example is not formatted'))
}
eprintln(vcontent)
should_cleanup_vfile = false
errors++
continue
}
oks++
}
'badsyntax' {
res := silent_cmdexecute('"$vexe" -w -Wfatal-errors -check-syntax $vfile')
if res == 0 {
eprintln(eline(f.path, e.sline, 0, '`badsyntax` example can be parsed fine'))
eprintln(vcontent)
should_cleanup_vfile = false
errors++
continue
}
oks++
}
'nofmt' {}
else {
eprintln(eline(f.path, e.sline, 0, 'unrecognized command: "$command", use one of: wip/ignore/compile/failcompile/oksyntax/badsyntax'))
should_cleanup_vfile = false
errors++
}
}
}
if should_cleanup_vfile {
os.rm(vfile) or { panic(err) }
}
}
return CheckResult{
errors: errors
oks: oks
}
}