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82 lines
2.9 KiB
V
82 lines
2.9 KiB
V
module main
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import document as doc
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import v.vmod
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import os
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import rand
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import term
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fn (mut vd VDoc) process_all_examples(contents []doc.DocNode) {
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for cn in contents {
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if cn.content.len > 0 {
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vd.run_examples(cn)
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}
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vd.process_all_examples(cn.children)
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}
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}
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const normalised_default_vmodules_path = os.vmodules_dir().replace('\\', '/')
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const vdoc_max_fails = os.getenv_opt('VDOC_MAX_FAILS') or { '999' }.int()
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fn get_mod_name_by_file_path(file_path string) string {
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mut mcache := vmod.get_cache()
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dn_folder := os.dir(os.real_path(file_path)).replace('\\', '/').trim_string_right('/src')
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vmodpath := mcache.get_by_folder(dn_folder)
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normal_folder := dn_folder.replace('\\', '/')
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vmod_folder := vmodpath.vmod_folder.replace('\\', '/')
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mut relative_mod_path := normal_folder
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relative_mod_path = relative_mod_path.trim_string_left(vmod_folder).trim_string_left('/')
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relative_mod_path = relative_mod_path.trim_string_left(normalised_default_vmodules_path)
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relative_mod_path = relative_mod_path.trim_string_left('vlib/')
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mod_name := relative_mod_path.replace('/', '.').trim('.')
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return mod_name
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}
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fn (mut vd VDoc) run_examples(dn doc.DocNode) {
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if dn.comments.len == 0 || vd.cfg.run_examples == .skip {
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return
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}
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voptions := match vd.cfg.run_examples {
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.run { ' -g run ' }
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.check { '-N -W -check' }
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.skip { '' }
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}
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examples := dn.examples()
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if examples.len == 0 {
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return
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}
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efolder := os.vtmp_dir()
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mut example_program_source_files := []string{}
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defer {
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for sfile in example_program_source_files {
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os.rm(sfile) or {}
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}
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}
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for example in examples {
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if vd.example_failures >= vdoc_max_fails {
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eprintln('> vdoc: too many examples failed in ${vd.cfg.run_examples} mode')
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exit(1)
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}
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code := example.all_after('Example:').all_after('example:').trim_space()
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mod_name := get_mod_name_by_file_path(dn.file_path)
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vsource_path := os.join_path(efolder, 'example_${rand.ulid()}.v')
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// eprintln('>>> example dn.file_path: ${dn.file_path} | mod_name: ${mod_name} | vsource_path: ${vsource_path} | code: `${code}`')
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import_clause := if mod_name in ['builtin', ''] { '' } else { 'import ${mod_name}\n' }
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source := '${import_clause}fn main() {\n\t${code}\n}\n'
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os.write_file(vsource_path, source) or { continue }
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vd.vprintln('>>> vd.example_oks: ${vd.example_oks:5} | vd.example_failures: ${vd.example_failures:5} | examples.len: ${examples.len} | source.len: ${source.len:5} | dn.name: ${dn.name}')
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cmd := '${os.quoted_path(vexe)} ${voptions} ${os.quoted_path(vsource_path)}'
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res := os.execute(cmd)
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if res.exit_code != 0 {
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eprintln('${dn_to_location(dn)}:${term.ecolorize(term.red, 'error in documentation example')}')
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eprintln(' cmd: ${cmd}')
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eprintln(' example line: ${term.colorize(term.bright_yellow, example)}')
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eprintln(' result:')
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eprintln(res.output)
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vd.example_failures++
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continue
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}
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example_program_source_files << vsource_path
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vd.example_oks++
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}
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}
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