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v/cmd/tools/vvet/vvet.v

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// Copyright (c) 2019-2020 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 v.vet
import v.pref
import v.parser
import v.util
import v.table
import os
import os.cmdline
struct VetOptions {
is_verbose bool
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mut:
errors []vet.Error
}
fn (vet_options &VetOptions) vprintln(s string) {
if !vet_options.is_verbose {
return
}
println(s)
}
fn main() {
args := util.join_env_vflags_and_os_args()
paths := cmdline.only_non_options(cmdline.options_after(args, ['vet']))
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mut vet_options := VetOptions{
is_verbose: '-verbose' in args || '-v' in args
}
for path in paths {
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if !os.exists(path) {
eprintln('File/folder $path does not exist')
continue
}
if path.ends_with('_test.v') ||
(path.contains('/tests/') && !path.contains('cmd/tools/vvet/tests/')) {
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eprintln('skipping $path')
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continue
}
if path.ends_with('.v') || path.ends_with('.vv') {
vet_options.vet_file(path)
} else if os.is_dir(path) {
vet_options.vprintln("vetting folder '$path'...")
vfiles := os.walk_ext(path, '.v')
vvfiles := os.walk_ext(path, '.vv')
mut files := []string{}
files << vfiles
files << vvfiles
for file in files {
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if file.ends_with('_test.v') || file.contains('/tests/') { // TODO copy pasta
continue
}
vet_options.vet_file(file)
}
}
}
if vet_options.errors.len > 0 {
for err in vet_options.errors.filter(it.kind == .error) {
eprintln('$err.file_path:$err.pos.line_nr: $err.message')
}
eprintln('NB: You can run `v fmt -w file.v` to fix these automatically')
/*
for err in vet_options.errors.filter(it.kind == .warning) {
eprintln('$err.file_path:$err.pos.line_nr: err.message')
}
*/
exit(1)
}
}
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fn (mut vet_options VetOptions) vet_file(path string) {
mut prefs := pref.new_preferences()
prefs.is_vet = true
table := table.new_table()
vet_options.vprintln("vetting file '$path'...")
_, errors := parser.parse_vet_file(path, table, prefs)
// Transfer errors from scanner and parser
vet_options.errors << errors
}