Pastakhov has uploaded a new change for review.
https://gerrit.wikimedia.org/r/58271
Change subject: add types and inverting operators (version 0.0.6)
......................................................................
add types and inverting operators (version 0.0.6)
examples:
$a = ~5; // -6
$a = (string)5; // '5'
$a = (int)5.5; // 5
Change-Id: Id8980a6e1d2a82813dd4fbbe03f25f74fb42076e
---
M Foxway.php
M includes/Runtime.php
M tests/phpunit/includes/InterpreterTest.php
3 files changed, 102 insertions(+), 50 deletions(-)
git pull ssh://gerrit.wikimedia.org:29418/mediawiki/extensions/Foxway
refs/changes/71/58271/1
diff --git a/Foxway.php b/Foxway.php
index e2e49dc..ba8c493 100644
--- a/Foxway.php
+++ b/Foxway.php
@@ -15,7 +15,7 @@
die( 'This file is an extension to MediaWiki and thus not a valid entry
point.' );
}
-define( 'Foxway_VERSION' , '0.0.5' );
+define( 'Foxway_VERSION' , '0.0.6' );
// Register this extension on Special:Version
$wgExtensionCredits['parserhook'][] = array(
diff --git a/includes/Runtime.php b/includes/Runtime.php
index 36199e7..f197c2f 100644
--- a/includes/Runtime.php
+++ b/includes/Runtime.php
@@ -15,7 +15,6 @@
private $lastParam = null;
private $listParams = array();
private $lastOperator = false;
- private $lastNegative = null;
private $variableOperator = false;
private $mathMemory = array();
@@ -24,10 +23,13 @@
// @see http://www.php.net/manual/ru/language.operators.precedence.php
private $operatorsPrecedence = array(
+ // (int) (float)
(string) (array) (bool)
+ array('~', T_INT_CAST, T_DOUBLE_CAST, T_STRING_CAST,
T_ARRAY_CAST, T_BOOL_CAST),
array('!'),
array('*', '/', '%'),
array('+', '-', '.'),
- array('<<', '>>'),
+ // << >>
+ array(T_SL, T_SR),
array('<', '<=', '>', '>='),
array('==', '!=', '===', '!==', '<>'),
array('&'),
@@ -50,7 +52,7 @@
}
private function pushStack() {
- $this->stack[] = array($this->lastCommand, $this->lastDebug,
$this->listParams, $this->lastOperator, $this->lastNegative,
$this->variableOperator, $this->mathMemory);
+ $this->stack[] = array($this->lastCommand, $this->lastDebug,
$this->listParams, $this->lastOperator, $this->variableOperator,
$this->mathMemory);
$this->resetRegisters();
}
@@ -58,7 +60,7 @@
if( count($this->stack) == 0 ) {
$this->resetRegisters();
} else {
- list($this->lastCommand, $this->lastDebug,
$this->listParams, $this->lastOperator, $this->lastNegative,
$this->variableOperator, $this->mathMemory) = array_pop($this->stack);
+ list($this->lastCommand, $this->lastDebug,
$this->listParams, $this->lastOperator, $this->variableOperator,
$this->mathMemory) = array_pop($this->stack);
}
}
@@ -68,7 +70,6 @@
$this->lastParam = null;
$this->listParams = array();
$this->lastOperator = false;
- $this->lastNegative = null;
$this->variableOperator = false;
$this->mathMemory = array();
}
@@ -84,60 +85,69 @@
}
public function addParam( $param ) {
-\MWDebug::log( "function addParam( '$param' ) @ lastOperator=" .
var_export($this->lastOperator, true) . " lastNegative=" .
var_export($this->lastNegative, true));
- if( $this->lastNegative === true) {
- $param = -$param;
- $this->lastNegative = null;
- }
-
+\MWDebug::log( "function addParam( '$param' ) @ lastOperator=" .
var_export($this->lastOperator, true) );
if( $this->lastOperator ) {
$precedence = $this->getOperatorPrecedence(
$this->lastOperator );
$this->mathMemory[$precedence] =
array($this->lastOperator, $this->lastParam);
- $this->lastParam = $this->lastNegative === true ?
-$param : $param;
- $this->lastNegative = null;
$this->lastOperator = false;
- } else {
- if( !is_null($this->lastParam) ) {
- $this->listParams[] = $this->lastParam;
- }
- $this->lastParam = $param;
+ } elseif( !is_null($this->lastParam) ) {
+ $this->listParams[] = $this->lastParam;
}
+ $this->lastParam = $param;
+ $this->doMath(0);
\MWDebug::log("lastParam = $this->lastParam, lastOperator =
$this->lastOperator, mathMemory = " . var_export($this->mathMemory, true) );
}
public function separateParams() {
\MWDebug::log("function separateParams()");
- while( count($this->mathMemory) != 0 ) {
- $mathMemory = array_pop($this->mathMemory);
- $this->doOperation($mathMemory[0], $mathMemory[1]);
- }
+ $this->doMath();
$this->listParams[] = $this->lastParam;
$this->lastParam = null;
}
public function addOperator( $operator ) {
-\MWDebug::log("function addOperator( $operator ) @ lastOperator =
'$this->lastOperator', lastParam = '$this->lastParam'" );
- // For negative operator
- if( $this->lastOperator || is_null($this->lastParam) ) {
- if( $operator == '-' ) {
- // false
or null
- $this->lastNegative = !$this->lastNegative ?
true : false;
-\MWDebug::log( "lastNegative = " . var_export($this->lastNegative, true) );
+ $precedence = $this->getOperatorPrecedence( $operator );
+\MWDebug::log("function addOperator( $operator ) @ lastOperator = '" .
var_export($this->lastOperator, true) . "', lastParam = '" .
var_export($this->lastParam, true) . "', precedence = '$precedence'" );
+ // For negative
operator
+ if( $precedence == 0 || $this->lastOperator ||
is_null($this->lastParam) ) {
+ switch ($operator) {
+ case '+':
+ break; // ignore this
+ case '-':
+ case '~':
+ case T_INT_CAST:
+ case T_DOUBLE_CAST:
+ case T_STRING_CAST:
+ case T_ARRAY_CAST:
+ case T_BOOL_CAST:
+ if( !isset($this->mathMemory[0]) ) {
+ $this->mathMemory[0] = array();
+ }
+ $this->mathMemory[0][] = $operator;
+ break;
+ default:
+ \MWDebug::log( __METHOD__ . " unknown
operator '$operator'" );
+ break;
}
} else {
//doOperation for higher precedence
- $precedence = $this->getOperatorPrecedence( $operator );
- if( $precedence == 0 && !is_null($this->lastParam) ) {
- $this->doOperation($operator);
- } else {
- for($n = 0; $n <= $precedence; $n++) {
- if( isset($this->mathMemory[$n]) ) {
-
$this->doOperation($this->mathMemory[$n][0], $this->mathMemory[$n][1]);
- unset($this->mathMemory[$n]);
- }
- }
- }
+ $this->doMath($precedence);
$this->lastOperator = $operator;
+ }
+ }
+
+ private function doMath( $precedence = 12 ) { //12 =
count($operatorsPrecedence)-1
+ if( isset($this->mathMemory[0]) ) {
+ while( $mathZerroMemory =
array_pop($this->mathMemory[0]) ) {
+ $this->doOperation($mathZerroMemory);
+ }
+ unset($this->mathMemory[0]);
+ }
+ for($n = 1; $n <= $precedence; $n++) {
+ if( isset($this->mathMemory[$n]) ) {
+ $this->doOperation($this->mathMemory[$n][0],
$this->mathMemory[$n][1]);
+ unset($this->mathMemory[$n]);
+ }
}
}
@@ -150,7 +160,11 @@
$this->lastParam += $param;
break;
case '-':
- $this->lastParam = $param - $this->lastParam;
+ if( is_null($param) ) { // Negation
+ $this->lastParam = -$this->lastParam;
+ } else { // Subtraction
+ $this->lastParam = $param -
$this->lastParam;
+ }
break;
case '*':
$this->lastParam *= $param;
@@ -176,6 +190,24 @@
case T_SR: // >>
$this->lastParam = $param >> $this->lastParam;
break;
+ case '~':
+ $this->lastParam = ~$this->lastParam;
+ break;
+ case T_INT_CAST:
+ $this->lastParam = (integer) $this->lastParam;
+ break;
+ case T_DOUBLE_CAST:
+ $this->lastParam = (float) $this->lastParam;
+ break;
+ case T_STRING_CAST:
+ $this->lastParam = (string) $this->lastParam;
+ break;
+ case T_ARRAY_CAST:
+ $this->lastParam = (array) $this->lastParam;
+ break;
+ case T_BOOL_CAST:
+ $this->lastParam = (bool) $this->lastParam;
+ break;
default:
\MWDebug::log( __METHOD__ . " unknown operator
'$operator'" );
break;
@@ -184,10 +216,8 @@
}
public function getCommandResult( &$debug ) {
- while( count($this->mathMemory) != 0 ) {
- $mathMemory = array_pop($this->mathMemory);
- $this->doOperation($mathMemory[0], $mathMemory[1]);
- }
+ \MWDebug::log('function getCommandResult()');
+ $this->doMath();
$this->listParams[] = $this->lastParam;
$return = null;
@@ -294,10 +324,7 @@
}
public function parenthesesClose() {
- while( count($this->mathMemory) != 0 ) {
- $mathMemory = array_pop($this->mathMemory);
- $this->doOperation($mathMemory[0], $mathMemory[1]);
- }
+ $this->doMath();
$this->popStack();
}
}
diff --git a/tests/phpunit/includes/InterpreterTest.php
b/tests/phpunit/includes/InterpreterTest.php
index 887eb87..b71ca83 100644
--- a/tests/phpunit/includes/InterpreterTest.php
+++ b/tests/phpunit/includes/InterpreterTest.php
@@ -316,6 +316,12 @@
'3'
);
}
+ public function testRun_echo_math_RightShift_3() {
+ $this->assertEquals(
+ Interpreter::run('echo -123 >> 2 + 3;'),
+ '-4'
+ );
+ }
public function testRun_echo_math_Increment_1() {
$this->assertEquals(
@@ -373,4 +379,23 @@
);
}
+ public function testRun_echo_inverting_1() {
+ $this->assertEquals(
+ Interpreter::run('echo ~10;'),
+ '-11'
+ );
+ }
+ public function testRun_echo_inverting_2() {
+ $this->assertEquals(
+ Interpreter::run('echo ~-10;'),
+ '9'
+ );
+ }
+ public function testRun_echo_inverting_3() {
+ $this->assertEquals(
+ Interpreter::run('echo -~10;'),
+ '11'
+ );
+ }
+
}
--
To view, visit https://gerrit.wikimedia.org/r/58271
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: Id8980a6e1d2a82813dd4fbbe03f25f74fb42076e
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/extensions/Foxway
Gerrit-Branch: master
Gerrit-Owner: Pastakhov <[email protected]>
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