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synced 2024-11-21 14:22:40 +01:00
Make ruby -wc
a linter in Arcanist
Summary: Add `ruby -wc` as a linter and raise Error whenever there's a syntax error Test Plan: Just a few dumb unit tests. Reviewers: epriestley Reviewed By: epriestley CC: aran, Korvin Differential Revision: https://secure.phabricator.com/D3447
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parent
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8 changed files with 177 additions and 1 deletions
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@ -1,7 +1,7 @@
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{
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"project_id" : "arcanist",
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"conduit_uri" : "https://secure.phabricator.com/",
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"lint_engine" : "PhutilLintEngine",
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"lint_engine" : "ComprehensiveLintEngine",
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"unit_engine" : "PhutilUnitTestEngine",
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"copyright_holder" : "Facebook, Inc.",
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"phutil_libraries" : {
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@ -101,6 +101,8 @@ phutil_register_library_map(array(
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'ArcanistPyFlakesLinter' => 'lint/linter/ArcanistPyFlakesLinter.php',
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'ArcanistPyLintLinter' => 'lint/linter/ArcanistPyLintLinter.php',
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'ArcanistRepositoryAPI' => 'repository/api/ArcanistRepositoryAPI.php',
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'ArcanistRubyLinter' => 'lint/linter/ArcanistRubyLinter.php',
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'ArcanistRubyLinterTestCase' => 'lint/linter/__tests__/ArcanistRubyLinterTestCase.php',
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'ArcanistScriptAndRegexLinter' => 'lint/linter/ArcanistScriptAndRegexLinter.php',
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'ArcanistSetConfigWorkflow' => 'workflow/ArcanistSetConfigWorkflow.php',
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'ArcanistSettings' => 'configuration/ArcanistSettings.php',
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@ -208,6 +210,8 @@ phutil_register_library_map(array(
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'ArcanistPhutilTestTerminatedException' => 'Exception',
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'ArcanistPyFlakesLinter' => 'ArcanistLinter',
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'ArcanistPyLintLinter' => 'ArcanistLinter',
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'ArcanistRubyLinter' => 'ArcanistLinter',
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'ArcanistRubyLinterTestCase' => 'ArcanistLinterTestCase',
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'ArcanistScriptAndRegexLinter' => 'ArcanistLinter',
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'ArcanistSetConfigWorkflow' => 'ArcanistBaseWorkflow',
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'ArcanistShellCompleteWorkflow' => 'ArcanistBaseWorkflow',
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@ -81,6 +81,7 @@ final class ComprehensiveLintEngine extends ArcanistLintEngine {
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$linters = array_merge($linters, $this->buildLicenseLinters($paths));
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$linters = array_merge($linters, $this->buildPythonLinters($paths));
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$linters = array_merge($linters, $this->buildRubyLinters($paths));
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$linters = array_merge($linters, $this->buildJSLinters($paths));
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return $linters;
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@ -120,6 +121,20 @@ final class ComprehensiveLintEngine extends ArcanistLintEngine {
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return $linters;
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}
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public function buildRubyLinters($paths) {
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$ruby_linter = new ArcanistRubyLinter();
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$linters = array();
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$linters[] = $ruby_linter;
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foreach ($paths as $path) {
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if (preg_match('/\.rb$/', $path)) {
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$ruby_linter->addPath($path);
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$ruby_linter->addData($path, $this->loadData($path));
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}
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}
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return $linters;
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}
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public function buildJSLinters($paths) {
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$js_linter = new ArcanistJSHintLinter();
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103
src/lint/linter/ArcanistRubyLinter.php
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103
src/lint/linter/ArcanistRubyLinter.php
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<?php
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/*
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* Copyright 2012 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Uses "Ruby" to detect various errors in Ruby code.
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*
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* @group linter
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*/
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final class ArcanistRubyLinter extends ArcanistLinter {
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public function willLintPaths(array $paths) {
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return;
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}
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public function getLinterName() {
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return 'Ruby';
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}
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public function getLintSeverityMap() {
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return array();
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}
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public function getLintNameMap() {
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return array();
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}
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private function getRubyPath() {
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$ruby_bin = "ruby";
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// Use the Ruby prefix specified in the config file
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$working_copy = $this->getEngine()->getWorkingCopy();
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$prefix = $working_copy->getConfig('lint.ruby.prefix');
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if ($prefix !== null) {
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$ruby_bin = $prefix . $ruby_bin;
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}
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if (!Filesystem::pathExists($ruby_bin)) {
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list($err) = exec_manual('which %s', $ruby_bin);
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if ($err) {
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throw new ArcanistUsageException(
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"Ruby does not appear to be installed on this system.".
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"Install it or add ".
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"'lint.ruby.prefix' in your .arcconfig to point to the directory ".
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"where it resides.");
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}
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}
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return $ruby_bin;
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}
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private function getMessageCodeSeverity($code) {
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return ArcanistLintSeverity::SEVERITY_ERROR;
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}
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public function lintPath($path) {
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$rubyp = $this->getRubyPath();
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$f = new ExecFuture("%s -wc", $rubyp);
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$f->write($this->getData($path));
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list($err, $stdout, $stderr) = $f->resolve();
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if ($err === 0 ) {
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return;
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}
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$lines = explode("\n", $stderr);
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$messages = array();
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foreach ($lines as $line) {
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$matches = null;
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if (!preg_match("/(.*?):(\d+): (.*?)$/", $line, $matches)) {
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continue;
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}
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foreach ($matches as $key => $match) {
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$matches[$key] = trim($match);
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}
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$code = head(explode(',', $matches[3]));
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$message = new ArcanistLintMessage();
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$message->setPath($path);
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$message->setLine($matches[2]);
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$message->setName($this->getLinterName() . " " . $code);
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$message->setDescription($matches[3]);
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$message->setSeverity($this->getMessageCodeSeverity($code));
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$this->addLintMessage($message);
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}
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}
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}
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36
src/lint/linter/__tests__/ArcanistRubyLinterTestCase.php
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36
src/lint/linter/__tests__/ArcanistRubyLinterTestCase.php
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<?php
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/*
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* Copyright 2012 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Test cases for @{class:ArcanistRubyLinter}.
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*
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* @group testcase
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*/
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final class ArcanistRubyLinterTestCase extends ArcanistLinterTestCase {
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public function testRubyLint() {
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$linter = new ArcanistRubyLinter();
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$working_copy = ArcanistWorkingCopyIdentity::newFromPath(__FILE__);
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return $this->executeTestsInDirectory(
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dirname(__FILE__).'/ruby/',
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$linter,
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$working_copy);
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}
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}
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4
src/lint/linter/__tests__/ruby/hello.lint-test
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4
src/lint/linter/__tests__/ruby/hello.lint-test
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def hello()
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puts "hello world"
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~~~~~~~~~~
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error:2:
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4
src/lint/linter/__tests__/ruby/semicolon.lint-test
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4
src/lint/linter/__tests__/ruby/semicolon.lint-test
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def asdf()
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puts "semicolons are ok";
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end
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~~~~~~~~~~
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10
src/lint/linter/__tests__/ruby/wvswc.lint-test
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10
src/lint/linter/__tests__/ruby/wvswc.lint-test
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# ruby -wc says syntax ok
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# ruby -w says blah.rb:2: undefined local variable or method `index' for main:Object (NameError)
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if index < 0 and $VERBOSE
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$stderr.puts "warning: index is a negative number"
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if $DEBUG
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$stderr.puts "index value: #{index.inspect}"
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$stderr.puts "array state: #{array.inspect}"
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end
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end
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~~~~~~~~~~
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