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Minor tidying of ArcanistXHPASTLinter

Summary: Modernizing a couple of linter rules.

Test Plan: Unit tests.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D12393
This commit is contained in:
Joshua Spence 2015-04-14 06:30:59 +10:00
parent 58d8656696
commit eb036465dc

View file

@ -922,11 +922,13 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
foreach ($blocks as $key => $block) { foreach ($blocks as $key => $block) {
// Collect all the tokens in this block which aren't at top level. // Collect all the tokens in this block which aren't at top level.
// We want to ignore "break", and "continue" in these blocks. // We want to ignore "break", and "continue" in these blocks.
$lower_level = $block->selectDescendantsOfType('n_WHILE'); $lower_level = $block->selectDescendantsOfTypes(array(
$lower_level->add($block->selectDescendantsOfType('n_DO_WHILE')); 'n_WHILE',
$lower_level->add($block->selectDescendantsOfType('n_FOR')); 'n_DO_WHILE',
$lower_level->add($block->selectDescendantsOfType('n_FOREACH')); 'n_FOR',
$lower_level->add($block->selectDescendantsOfType('n_SWITCH')); 'n_FOREACH',
'n_SWITCH',
));
$lower_level_tokens = array(); $lower_level_tokens = array();
foreach ($lower_level as $lower_level_block) { foreach ($lower_level as $lower_level_block) {
$lower_level_tokens += $lower_level_block->getTokens(); $lower_level_tokens += $lower_level_block->getTokens();
@ -935,10 +937,14 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
// Collect all the tokens in this block which aren't in this scope // Collect all the tokens in this block which aren't in this scope
// (because they're inside class, function or interface declarations). // (because they're inside class, function or interface declarations).
// We want to ignore all of these tokens. // We want to ignore all of these tokens.
$decls = $block->selectDescendantsOfType('n_FUNCTION_DECLARATION'); $decls = $block->selectDescendantsOfTypes(array(
$decls->add($block->selectDescendantsOfType('n_CLASS_DECLARATION')); 'n_FUNCTION_DECLARATION',
// For completeness; these can't actually have anything. 'n_CLASS_DECLARATION',
$decls->add($block->selectDescendantsOfType('n_INTERFACE_DECLARATION'));
// For completeness; these can't actually have anything.
'n_INTERFACE_DECLARATION',
));
$different_scope_tokens = array(); $different_scope_tokens = array();
foreach ($decls as $decl) { foreach ($decls as $decl) {
$different_scope_tokens += $decl->getTokens(); $different_scope_tokens += $decl->getTokens();
@ -1323,9 +1329,10 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
$all_loops = $for_loops->add($foreach_loops); $all_loops = $for_loops->add($foreach_loops);
foreach ($all_loops as $loop) { foreach ($all_loops as $loop) {
$child_for_loops = $loop->selectDescendantsOfType('n_FOR'); $child_loops = $loop->selectDescendantsOfTypes(array(
$child_foreach_loops = $loop->selectDescendantsOfType('n_FOREACH'); 'n_FOR',
$child_loops = $child_for_loops->add($child_foreach_loops); 'n_FOREACH',
));
$outer_vars = $used_vars[$loop->getID()]; $outer_vars = $used_vars[$loop->getID()];
foreach ($child_loops as $inner_loop) { foreach ($child_loops as $inner_loop) {
@ -1366,10 +1373,10 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
* *
*/ */
protected function lintReusedIteratorReferences(XHPASTNode $root) { protected function lintReusedIteratorReferences(XHPASTNode $root) {
$defs = $root->selectDescendantsOfTypes(array(
$fdefs = $root->selectDescendantsOfType('n_FUNCTION_DECLARATION'); 'n_FUNCTION_DECLARATION',
$mdefs = $root->selectDescendantsOfType('n_METHOD_DECLARATION'); 'n_METHOD_DECLARATION',
$defs = $fdefs->add($mdefs); ));
foreach ($defs as $def) { foreach ($defs as $def) {
@ -1576,9 +1583,10 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
// TODO: Support functions defined inside other functions which is commonly // TODO: Support functions defined inside other functions which is commonly
// used with anonymous functions. // used with anonymous functions.
$fdefs = $root->selectDescendantsOfType('n_FUNCTION_DECLARATION'); $defs = $root->selectDescendantsOfTypes(array(
$mdefs = $root->selectDescendantsOfType('n_METHOD_DECLARATION'); 'n_FUNCTION_DECLARATION',
$defs = $fdefs->add($mdefs); 'n_METHOD_DECLARATION',
));
foreach ($defs as $def) { foreach ($defs as $def) {
@ -2103,9 +2111,10 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
true); true);
$fdefs = $root->selectDescendantsOfType('n_FUNCTION_DECLARATION'); $defs = $root->selectDescendantsOfTypes(array(
$mdefs = $root->selectDescendantsOfType('n_METHOD_DECLARATION'); 'n_FUNCTION_DECLARATION',
$defs = $fdefs->add($mdefs); 'n_METHOD_DECLARATION',
));
foreach ($defs as $def) { foreach ($defs as $def) {
$globals = $def->selectDescendantsOfType('n_GLOBAL_DECLARATION_LIST'); $globals = $def->selectDescendantsOfType('n_GLOBAL_DECLARATION_LIST');
@ -2235,17 +2244,14 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
} }
private function lintParenthesesShouldHugExpressions(XHPASTNode $root) { private function lintParenthesesShouldHugExpressions(XHPASTNode $root) {
$calls = $root->selectDescendantsOfType('n_CALL_PARAMETER_LIST'); $all_paren_groups = $root->selectDescendantsOfTypes(array(
$controls = $root->selectDescendantsOfType('n_CONTROL_CONDITION'); 'n_CALL_PARAMETER_LIST',
$fors = $root->selectDescendantsOfType('n_FOR_EXPRESSION'); 'n_CONTROL_CONDITION',
$foreach = $root->selectDescendantsOfType('n_FOREACH_EXPRESSION'); 'n_FOR_EXPRESSION',
$decl = $root->selectDescendantsOfType('n_DECLARATION_PARAMETER_LIST'); 'n_FOREACH_EXPRESSION',
'n_DECLARATION_PARAMETER_LIST',
));
$all_paren_groups = $calls
->add($controls)
->add($fors)
->add($foreach)
->add($decl);
foreach ($all_paren_groups as $group) { foreach ($all_paren_groups as $group) {
$tokens = $group->getTokens(); $tokens = $group->getTokens();
@ -2477,20 +2483,18 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
} }
private function lintDynamicDefines(XHPASTNode $root) { private function lintDynamicDefines(XHPASTNode $root) {
$calls = $root->selectDescendantsOfType('n_FUNCTION_CALL'); $calls = $this->getFunctionCalls($root, array('define'));
foreach ($calls as $call) { foreach ($calls as $call) {
$name = $call->getChildByIndex(0)->getConcreteString(); $parameter_list = $call->getChildOfType(1, 'n_CALL_PARAMETER_LIST');
if (strtolower($name) === 'define') { $defined = $parameter_list->getChildByIndex(0);
$parameter_list = $call->getChildOfType(1, 'n_CALL_PARAMETER_LIST'); if (!$defined->isStaticScalar()) {
$defined = $parameter_list->getChildByIndex(0); $this->raiseLintAtNode(
if (!$defined->isStaticScalar()) { $defined,
$this->raiseLintAtNode( self::LINT_DYNAMIC_DEFINE,
$defined, pht(
self::LINT_DYNAMIC_DEFINE, 'First argument to %s must be a string literal.',
pht( 'define()'));
'First argument to %s must be a string literal.',
'define()'));
}
} }
} }
} }
@ -2549,24 +2553,22 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
* wrong. * wrong.
*/ */
private function lintPregQuote(XHPASTNode $root) { private function lintPregQuote(XHPASTNode $root) {
$function_calls = $root->selectDescendantsOfType('n_FUNCTION_CALL'); $function_calls = $this->getFunctionCalls($root, array('preg_quote'));
foreach ($function_calls as $call) { foreach ($function_calls as $call) {
$name = $call->getChildByIndex(0)->getConcreteString(); $parameter_list = $call->getChildOfType(1, 'n_CALL_PARAMETER_LIST');
if (strtolower($name) === 'preg_quote') { if (count($parameter_list->getChildren()) !== 2) {
$parameter_list = $call->getChildOfType(1, 'n_CALL_PARAMETER_LIST'); $this->raiseLintAtNode(
if (count($parameter_list->getChildren()) !== 2) { $call,
$this->raiseLintAtNode( self::LINT_PREG_QUOTE_MISUSE,
$call, pht(
self::LINT_PREG_QUOTE_MISUSE, 'If you use pattern delimiters that require escaping '.
pht( '(such as `%s`, but not `%s`) then you should pass two '.
'If you use pattern delimiters that require escaping '. 'arguments to %s, so that %s knows which delimiter to escape.',
'(such as `%s`, but not `%s`) then you should pass two '. '//',
'arguments to %s, so that %s knows which delimiter to escape.', '()',
'//', 'preg_quote()',
'()', 'preg_quote()'));
'preg_quote()',
'preg_quote()'));
}
} }
} }
} }
@ -2780,8 +2782,10 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
} }
private function lintClosingCallParen(XHPASTNode $root) { private function lintClosingCallParen(XHPASTNode $root) {
$calls = $root->selectDescendantsOfType('n_FUNCTION_CALL'); $calls = $root->selectDescendantsOfTypes(array(
$calls = $calls->add($root->selectDescendantsOfType('n_METHOD_CALL')); 'n_FUNCTION_CALL',
'n_METHOD_CALL',
));
foreach ($calls as $call) { foreach ($calls as $call) {
// If the last parameter of a call is a HEREDOC, don't apply this rule. // If the last parameter of a call is a HEREDOC, don't apply this rule.
@ -2813,8 +2817,10 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
} }
private function lintClosingDeclarationParen(XHPASTNode $root) { private function lintClosingDeclarationParen(XHPASTNode $root) {
$decs = $root->selectDescendantsOfType('n_FUNCTION_DECLARATION'); $decs = $root->selectDescendantsOfTypes(array(
$decs = $decs->add($root->selectDescendantsOfType('n_METHOD_DECLARATION')); 'n_FUNCTION_DECLARATION',
'n_METHOD_DECLARATION',
));
foreach ($decs as $dec) { foreach ($decs as $dec) {
$params = $dec->getChildOfType(3, 'n_DECLARATION_PARAMETER_LIST'); $params = $dec->getChildOfType(3, 'n_DECLARATION_PARAMETER_LIST');