339 lines
7.8 KiB
V
339 lines
7.8 KiB
V
// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module main
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import os
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import os.cmdline
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import rand
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import term
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import vhelp
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import v.pref
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const (
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too_long_line_length = 100
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term_colors = term.can_show_color_on_stderr()
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is_all = '-all' in os.args
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hide_warnings = '-hide-warnings' in os.args
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non_option_args = cmdline.only_non_options(os.args[2..])
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)
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fn main() {
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if non_option_args.len == 0 || '-help' in os.args {
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vhelp.show_topic('check-md')
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exit(0)
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}
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if is_all {
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println('´-all´ flag is deprecated. Please use ´v check-md .´ instead.')
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exit(1)
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}
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mut files_paths := non_option_args.clone()
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mut warnings := 0
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mut errors := 0
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mut oks := 0
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mut all_md_files := []MDFile{}
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if term_colors {
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os.setenv('VCOLORS', 'always', true)
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}
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for i := 0; i < files_paths.len; i++ {
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file_path := files_paths[i]
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if os.is_dir(file_path) {
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files_paths << md_file_paths(file_path)
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continue
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}
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real_path := os.real_path(file_path)
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lines := os.read_lines(real_path) or {
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println('"$file_path" does not exist')
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warnings++
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continue
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}
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mut mdfile := MDFile{
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path: file_path
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}
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for j, line in lines {
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if line.len > too_long_line_length {
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if mdfile.state == .vexample {
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wprintln(wline(file_path, j, line.len, 'long V example line'))
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wprintln(line)
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warnings++
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} else if mdfile.state == .codeblock {
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wprintln(wline(file_path, j, line.len, 'long code block line'))
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wprintln(line)
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warnings++
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} else if line.starts_with('|') {
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wprintln(wline(file_path, j, line.len, 'long table'))
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wprintln(line)
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warnings++
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} else if line.contains('https') {
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wprintln(wline(file_path, j, line.len, 'long link'))
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wprintln(line)
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warnings++
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} else {
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eprintln(eline(file_path, j, line.len, 'line too long'))
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eprintln(line)
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errors++
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}
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}
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mdfile.parse_line(j, line)
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}
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all_md_files << mdfile
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}
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for mut mdfile in all_md_files {
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new_errors, new_oks := mdfile.check_examples()
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errors += new_errors
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oks += new_oks
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}
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if warnings > 0 || errors > 0 || oks > 0 {
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println('\nWarnings: $warnings | Errors: $errors | OKs: $oks')
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}
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if errors > 0 {
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exit(1)
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}
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}
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fn md_file_paths(dir string) []string {
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mut files_to_check := []string{}
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md_files := os.walk_ext(dir, '.md')
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for file in md_files {
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if file.contains_any_substr(['/thirdparty/', 'CHANGELOG']) {
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continue
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}
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files_to_check << file
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}
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return files_to_check
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}
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fn wprintln(s string) {
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if !hide_warnings {
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println(s)
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}
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}
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fn ftext(s string, cb fn (string) string) string {
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if term_colors {
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return cb(s)
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}
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return s
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}
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fn btext(s string) string {
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return ftext(s, term.bold)
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}
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fn mtext(s string) string {
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return ftext(s, term.magenta)
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}
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fn rtext(s string) string {
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return ftext(s, term.red)
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}
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fn wline(file_path string, lnumber int, column int, message string) string {
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return btext('$file_path:${lnumber + 1}:${column + 1}:') + btext(mtext(' warn:')) +
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rtext(' $message')
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}
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fn eline(file_path string, lnumber int, column int, message string) string {
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return btext('$file_path:${lnumber + 1}:${column + 1}:') + btext(rtext(' error: $message'))
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}
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const (
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default_command = 'compile'
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)
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struct VCodeExample {
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mut:
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text []string
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command string
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sline int
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eline int
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}
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enum MDFileParserState {
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markdown
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vexample
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codeblock
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}
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struct MDFile {
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path string
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mut:
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examples []VCodeExample
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current VCodeExample
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state MDFileParserState = .markdown
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}
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fn (mut f MDFile) parse_line(lnumber int, line string) {
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if line.starts_with('```v') {
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if f.state == .markdown {
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f.state = .vexample
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mut command := line.replace('```v', '').trim_space()
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if command == '' {
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command = default_command
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} else if command == 'nofmt' {
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command += ' $default_command'
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}
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f.current = VCodeExample{
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sline: lnumber
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command: command
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}
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}
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return
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}
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if line.starts_with('```') {
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match f.state {
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.vexample {
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f.state = .markdown
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f.current.eline = lnumber
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f.examples << f.current
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f.current = VCodeExample{}
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return
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}
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.codeblock {
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f.state = .markdown
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return
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}
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.markdown {
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f.state = .codeblock
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return
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}
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}
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}
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if f.state == .vexample {
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f.current.text << line
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}
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}
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fn (mut f MDFile) debug() {
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for e in f.examples {
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eprintln('f.path: $f.path | example: $e')
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}
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}
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fn cmdexecute(cmd string) int {
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res := os.exec(cmd) or { return 1 }
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if res.exit_code != 0 {
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eprint(res.output)
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}
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return res.exit_code
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}
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fn silent_cmdexecute(cmd string) int {
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res := os.exec(cmd) or { return 1 }
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return res.exit_code
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}
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fn get_fmt_exit_code(vfile string, vexe string) int {
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return silent_cmdexecute('"$vexe" fmt -verify $vfile')
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}
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fn (mut f MDFile) check_examples() (int, int) {
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mut errors := 0
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mut oks := 0
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vexe := pref.vexe_path()
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for e in f.examples {
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if e.command == 'ignore' {
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continue
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}
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if e.command == 'wip' {
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continue
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}
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fname := os.base(f.path).replace('.md', '_md')
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uid := rand.ulid()
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vfile := os.join_path(os.temp_dir(), 'check_${fname}_example_${e.sline}__${e.eline}__${uid}.v')
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mut should_cleanup_vfile := true
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// eprintln('>>> checking example $vfile ...')
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vcontent := e.text.join('\n') + '\n'
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os.write_file(vfile, vcontent) or { panic(err) }
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mut acommands := e.command.split(' ')
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nofmt := 'nofmt' in acommands
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for command in acommands {
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fmt_res := if nofmt { 0 } else { get_fmt_exit_code(vfile, vexe) }
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match command {
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'compile' {
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res := cmdexecute('"$vexe" -w -Wfatal-errors -o x.c $vfile')
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os.rm('x.c') or { }
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if res != 0 || fmt_res != 0 {
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if res != 0 {
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eprintln(eline(f.path, e.sline, 0, 'example failed to compile'))
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}
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if fmt_res != 0 {
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eprintln(eline(f.path, e.sline, 0, 'example is not formatted'))
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}
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eprintln(vcontent)
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should_cleanup_vfile = false
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errors++
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continue
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}
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oks++
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}
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'live' {
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res := cmdexecute('"$vexe" -w -Wfatal-errors -live -o x.c $vfile')
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if res != 0 || fmt_res != 0 {
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if res != 0 {
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eprintln(eline(f.path, e.sline, 0, 'example failed to compile with -live'))
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}
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if fmt_res != 0 {
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eprintln(eline(f.path, e.sline, 0, 'example is not formatted'))
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}
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eprintln(vcontent)
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should_cleanup_vfile = false
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errors++
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continue
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}
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oks++
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}
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'failcompile' {
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res := silent_cmdexecute('"$vexe" -w -Wfatal-errors -o x.c $vfile')
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os.rm('x.c') or { }
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if res == 0 {
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eprintln(eline(f.path, e.sline, 0, '`failcompile` example compiled'))
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eprintln(vcontent)
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should_cleanup_vfile = false
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errors++
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continue
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}
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oks++
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}
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'oksyntax' {
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res := cmdexecute('"$vexe" -w -Wfatal-errors -check-syntax $vfile')
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if res != 0 || fmt_res != 0 {
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if res != 0 {
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eprintln(eline(f.path, e.sline, 0, '`oksyntax` example with invalid syntax'))
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}
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if fmt_res != 0 {
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eprintln(eline(f.path, e.sline, 0, '`oksyntax` example is not formatted'))
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}
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eprintln(vcontent)
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should_cleanup_vfile = false
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errors++
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continue
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}
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oks++
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}
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'badsyntax' {
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res := silent_cmdexecute('"$vexe" -w -Wfatal-errors -check-syntax $vfile')
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if res == 0 {
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eprintln(eline(f.path, e.sline, 0, '`badsyntax` example can be parsed fine'))
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eprintln(vcontent)
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should_cleanup_vfile = false
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errors++
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continue
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}
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oks++
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}
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'nofmt' {}
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else {
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eprintln(eline(f.path, e.sline, 0, 'unrecognized command: "$command", use one of: wip/ignore/compile/failcompile/oksyntax/badsyntax'))
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should_cleanup_vfile = false
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errors++
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}
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}
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}
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if should_cleanup_vfile {
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os.rm(vfile) or { panic(err) }
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}
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}
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return errors, oks
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}
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