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starting php support addition

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daarond
2015-05-09 16:52:36 -05:00
parent 3acf862876
commit f0c837bb2d
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/**
* @license
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Helper functions for generating PHP for blocks.
* @author daarond@gmail.com (Daaron Dwyer)
*/
'use strict';
goog.provide('Blockly.PHP');
goog.require('Blockly.Generator');
/**
* PHP code generator.
* @type !Blockly.Generator
*/
Blockly.PHP = new Blockly.Generator('PHP');
/**
* List of illegal variable names.
* This is not intended to be a security feature. Blockly is 100% client-side,
* so bypassing this list is trivial. This is intended to prevent users from
* accidentally clobbering a built-in object or function.
* @private
*/
Blockly.PHP.addReservedWords(
'Blockly,' + // In case JS is evaled in the current window.
// http://php.net/manual/en/reserved.keywords.php
'__halt_compiler,abstract,and,array,as,break,callable,case,catch,class,clone,const,continue,declare,default,die,do,echo,else,elseif,empty,enddeclare,endfor,endforeach,endif,endswitch,endwhile,eval,exit,extends,final,for,foreach,function,global,goto,if,implements,include,include_once,instanceof,insteadof,interface,isset,list,namespace,new,or,print,private,protected,public,require,require_once,return,static,switch,throw,trait,try,unset,use,var,while,xor,' +
// http://php.net/manual/en/reserved.constants.php
'PHP_VERSION,PHP_MAJOR_VERSION,PHP_MINOR_VERSION,PHP_RELEASE_VERSION,PHP_VERSION_ID,PHP_EXTRA_VERSION,PHP_ZTS,PHP_DEBUG,PHP_MAXPATHLEN,PHP_OS,PHP_SAPI,PHP_EOL,PHP_INT_MAX,PHP_INT_SIZE,DEFAULT_INCLUDE_PATH,PEAR_INSTALL_DIR,PEAR_EXTENSION_DIR,PHP_EXTENSION_DIR,PHP_PREFIX,PHP_BINDIR,PHP_BINARY,PHP_MANDIR,PHP_LIBDIR,PHP_DATADIR,PHP_SYSCONFDIR,PHP_LOCALSTATEDIR,PHP_CONFIG_FILE_PATH,PHP_CONFIG_FILE_SCAN_DIR,PHP_SHLIB_SUFFIX,E_ERROR,E_WARNING,E_PARSE,E_NOTICE,E_CORE_ERROR,E_CORE_WARNING,E_COMPILE_ERROR,E_COMPILE_WARNING,E_USER_ERROR,E_USER_WARNING,E_USER_NOTICE,E_DEPRECATED,E_USER_DEPRECATED,E_ALL,E_STRICT,__COMPILER_HALT_OFFSET__,TRUE,FALSE,NULL,__CLASS__,__DIR__,__FILE__,__FUNCTION__,__LINE__,__METHOD__,__NAMESPACE__,__TRAIT__');
// there are more than 9,000 internal functions in http://php.net/manual/en/indexes.functions.php
// do we really need to list them here?
/**
* Order of operation ENUMs.
* https://developer.mozilla.org/en/PHP/Reference/Operators/Operator_Precedence
*/
Blockly.PHP.ORDER_ATOMIC = 0; // 0 "" ...
Blockly.PHP.ORDER_CLONE = 1; // clone
Blockly.PHP.ORDER_NEW = 1; // new
Blockly.PHP.ORDER_FUNCTION_CALL = 2; // ()
Blockly.PHP.ORDER_INCREMENT = 3; // ++
Blockly.PHP.ORDER_DECREMENT = 3; // --
Blockly.PHP.ORDER_LOGICAL_NOT = 4; // !
Blockly.PHP.ORDER_BITWISE_NOT = 4; // ~
Blockly.PHP.ORDER_UNARY_PLUS = 4; // +
Blockly.PHP.ORDER_UNARY_NEGATION = 4; // -
Blockly.PHP.ORDER_TYPEOF = 4; // typeof
Blockly.PHP.ORDER_VOID = 4; // void
Blockly.PHP.ORDER_DELETE = 4; // delete
Blockly.PHP.ORDER_MULTIPLICATION = 5; // *
Blockly.PHP.ORDER_DIVISION = 5; // /
Blockly.PHP.ORDER_MODULUS = 5; // %
Blockly.PHP.ORDER_ADDITION = 6; // +
Blockly.PHP.ORDER_SUBTRACTION = 6; // -
Blockly.PHP.ORDER_BITWISE_SHIFT = 7; // << >> >>>
Blockly.PHP.ORDER_RELATIONAL = 8; // < <= > >=
Blockly.PHP.ORDER_IN = 8; // in
Blockly.PHP.ORDER_INSTANCEOF = 8; // instanceof
Blockly.PHP.ORDER_EQUALITY = 9; // == != === !==
Blockly.PHP.ORDER_BITWISE_AND = 10; // &
Blockly.PHP.ORDER_BITWISE_XOR = 11; // ^
Blockly.PHP.ORDER_BITWISE_OR = 12; // |
Blockly.PHP.ORDER_CONDITIONAL = 13; // ?:
Blockly.PHP.ORDER_ASSIGNMENT = 14; // = += -= *= /= %= <<= >>= ...
Blockly.PHP.ORDER_LOGICAL_AND = 15; // &&
Blockly.PHP.ORDER_LOGICAL_OR = 16; // ||
Blockly.PHP.ORDER_COMMA = 17; // ,
Blockly.PHP.ORDER_NONE = 99; // (...)
/**
* Initialise the database of variable names.
* @param {!Blockly.Workspace} workspace Workspace to generate code from.
*/
Blockly.PHP.init = function(workspace) {
// Create a dictionary of definitions to be printed before the code.
Blockly.PHP.definitions_ = Object.create(null);
// Create a dictionary mapping desired function names in definitions_
// to actual function names (to avoid collisions with user functions).
Blockly.PHP.functionNames_ = Object.create(null);
if (!Blockly.PHP.variableDB_) {
Blockly.PHP.variableDB_ =
new Blockly.Names(Blockly.PHP.RESERVED_WORDS_);
} else {
Blockly.PHP.variableDB_.reset();
}
var defvars = [];
var variables = Blockly.Variables.allVariables(workspace);
for (var x = 0; x < variables.length; x++) {
defvars[x] = 'var ' +
Blockly.PHP.variableDB_.getName(variables[x],
Blockly.Variables.NAME_TYPE) + ';';
}
Blockly.PHP.definitions_['variables'] = defvars.join('\n');
};
/**
* Prepend the generated code with the variable definitions.
* @param {string} code Generated code.
* @return {string} Completed code.
*/
Blockly.PHP.finish = function(code) {
// Convert the definitions dictionary into a list.
var definitions = [];
for (var name in Blockly.PHP.definitions_) {
definitions.push(Blockly.PHP.definitions_[name]);
}
return definitions.join('\n\n') + '\n\n\n' + code;
};
/**
* Naked values are top-level blocks with outputs that aren't plugged into
* anything. A trailing semicolon is needed to make this legal.
* @param {string} line Line of generated code.
* @return {string} Legal line of code.
*/
Blockly.PHP.scrubNakedValue = function(line) {
return line + ';\n';
};
/**
* Encode a string as a properly escaped PHP string, complete with
* quotes.
* @param {string} string Text to encode.
* @return {string} PHP string.
* @private
*/
Blockly.PHP.quote_ = function(string) {
// TODO: This is a quick hack. Replace with goog.string.quote
string = string.replace(/\\/g, '\\\\')
.replace(/\n/g, '\\\n')
.replace(/'/g, '\\\'');
return '\'' + string + '\'';
};
/**
* Common tasks for generating PHP from blocks.
* Handles comments for the specified block and any connected value blocks.
* Calls any statements following this block.
* @param {!Blockly.Block} block The current block.
* @param {string} code The PHP code created for this block.
* @return {string} PHP code with comments and subsequent blocks added.
* @private
*/
Blockly.PHP.scrub_ = function(block, code) {
var commentCode = '';
// Only collect comments for blocks that aren't inline.
if (!block.outputConnection || !block.outputConnection.targetConnection) {
// Collect comment for this block.
var comment = block.getCommentText();
if (comment) {
commentCode += Blockly.PHP.prefixLines(comment, '// ') + '\n';
}
// Collect comments for all value arguments.
// Don't collect comments for nested statements.
for (var x = 0; x < block.inputList.length; x++) {
if (block.inputList[x].type == Blockly.INPUT_VALUE) {
var childBlock = block.inputList[x].connection.targetBlock();
if (childBlock) {
var comment = Blockly.PHP.allNestedComments(childBlock);
if (comment) {
commentCode += Blockly.PHP.prefixLines(comment, '// ');
}
}
}
}
}
var nextBlock = block.nextConnection && block.nextConnection.targetBlock();
var nextCode = Blockly.PHP.blockToCode(nextBlock);
return commentCode + code + nextCode;
};

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/**
* @license
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Generating PHP for colour blocks.
* @author daarond@gmail.com (Daaron Dwyer)
*/
'use strict';
goog.provide('Blockly.PHP.colour');
goog.require('Blockly.PHP');
Blockly.PHP['colour_picker'] = function(block) {
// Colour picker.
var code = '\'' + block.getFieldValue('COLOUR') + '\'';
return [code, Blockly.PHP.ORDER_ATOMIC];
};
Blockly.PHP['colour_random'] = function(block) {
// Generate a random colour.
var functionName = Blockly.PHP.provideFunction_(
'colour_random',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ + '() {',
' return \'#\' . str_pad(dechex(mt_rand(0, 0xFFFFFF)), 6, \'0\', STR_PAD_LEFT);',
'}']);
var code = functionName + '()';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['colour_rgb'] = function(block) {
// Compose a colour from RGB components expressed as percentages.
var red = Blockly.PHP.valueToCode(block, 'RED',
Blockly.PHP.ORDER_COMMA) || 0;
var green = Blockly.PHP.valueToCode(block, 'GREEN',
Blockly.PHP.ORDER_COMMA) || 0;
var blue = Blockly.PHP.valueToCode(block, 'BLUE',
Blockly.PHP.ORDER_COMMA) || 0;
var functionName = Blockly.PHP.provideFunction_(
'colour_rgb',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($r, $g, $b) {',
' $hex = "#";',
' $hex .= str_pad(dechex($r), 2, "0", STR_PAD_LEFT);',
' $hex .= str_pad(dechex($g), 2, "0", STR_PAD_LEFT);',
' $hex .= str_pad(dechex($b), 2, "0", STR_PAD_LEFT);',
' return $hex;',
'}']);
var code = functionName + '($' + red + ', $' + green + ', $' + blue + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['colour_blend'] = function(block) {
// Blend two colours together.
var c1 = Blockly.PHP.valueToCode(block, 'COLOUR1',
Blockly.PHP.ORDER_COMMA) || '\'#000000\'';
var c2 = Blockly.PHP.valueToCode(block, 'COLOUR2',
Blockly.PHP.ORDER_COMMA) || '\'#000000\'';
var ratio = Blockly.PHP.valueToCode(block, 'RATIO',
Blockly.PHP.ORDER_COMMA) || 0.5;
var functionName = Blockly.PHP.provideFunction_(
'colour_blend',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($c1, $c2, $ratio) {',
' $ratio = max(min($ratio, 1), 0);',
' $r1 = hexdec(substr($c1,0,2));',
' $g1 = hexdec(substr($c1,2,2));',
' $b1 = hexdec(substr($c1,4,2));',
' $r2 = hexdec(substr($c2,0,2));',
' $g2 = hexdec(substr($c2,2,2));',
' $b2 = hexdec(substr($c2,4,2));',
' $r = round($r1 * (1 - $ratio) + $r2 * $ratio);',
' $g = round($g1 * (1 - $ratio) + $g2 * $ratio);',
' $b = round($b1 * (1 - $ratio) + $b2 * $ratio);',
' $hex = "#";',
' $hex .= str_pad(dechex($r), 2, "0", STR_PAD_LEFT);',
' $hex .= str_pad(dechex($g), 2, "0", STR_PAD_LEFT);',
' $hex .= str_pad(dechex($b), 2, "0", STR_PAD_LEFT);',
' return $hex;',
'}']);
var code = functionName + '($' + c1 + ', $' + c2 + ', $' + ratio + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};

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/**
* @license
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Generating PHP for list blocks.
* @author daarond@gmail.com (Daaron Dwyer)
*/
'use strict';
goog.provide('Blockly.PHP.lists');
goog.require('Blockly.PHP');
Blockly.PHP['lists_create_empty'] = function(block) {
// Create an empty list.
return ['array()', Blockly.PHP.ORDER_ATOMIC];
};
Blockly.PHP['lists_create_with'] = function(block) {
// Create a list with any number of elements of any type.
var code = new Array(block.itemCount_);
for (var n = 0; n < block.itemCount_; n++) {
code[n] = Blockly.PHP.valueToCode(block, 'ADD' + n,
Blockly.PHP.ORDER_COMMA) || 'null';
}
code = 'array(' + code.join(', ') + ')';
return [code, Blockly.PHP.ORDER_ATOMIC];
};
Blockly.PHP['lists_repeat'] = function(block) {
// Create a list with one element repeated.
var functionName = Blockly.PHP.provideFunction_(
'lists_repeat',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($value, $n) {',
' $array = array();',
' for ($i = 0; $i < $n; $i++) {',
' $array[i] = $value;',
' }',
' return $array;',
'}']);
var argument0 = Blockly.PHP.valueToCode(block, 'ITEM',
Blockly.PHP.ORDER_COMMA) || 'null';
var argument1 = Blockly.PHP.valueToCode(block, 'NUM',
Blockly.PHP.ORDER_COMMA) || '0';
var code = functionName + '($' + argument0 + ', $' + argument1 + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['lists_length'] = function(block) {
// List length.
var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_FUNCTION_CALL) || '[]';
return ['count(' + argument0 + ')', Blockly.PHP.ORDER_MEMBER];
};
Blockly.PHP['lists_isEmpty'] = function(block) {
// Is the list empty?
var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_MEMBER) || '[]';
return ['empty(' + argument0 + ')', Blockly.PHP.ORDER_LOGICAL_NOT];
};
Blockly.PHP['lists_indexOf'] = function(block) {
// Find an item in the list.
var operator = block.getFieldValue('END') == 'FIRST' ?
'indexOf' : 'lastIndexOf';
var argument0 = Blockly.PHP.valueToCode(block, 'FIND',
Blockly.PHP.ORDER_NONE) || '\'\'';
var argument1 = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_MEMBER) || '[]';
var code = argument1 + '.' + operator + '(' + argument0 + ') + 1';
return [code, Blockly.PHP.ORDER_MEMBER];
};
Blockly.PHP['lists_getIndex'] = function(block) {
// Get element at index.
// Note: Until January 2013 this block did not have MODE or WHERE inputs.
var mode = block.getFieldValue('MODE') || 'GET';
var where = block.getFieldValue('WHERE') || 'FROM_START';
var at = Blockly.PHP.valueToCode(block, 'AT',
Blockly.PHP.ORDER_UNARY_NEGATION) || '1';
var list = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_MEMBER) || '[]';
if (where == 'FIRST') {
if (mode == 'GET') {
var code = list + '[0]';
return [code, Blockly.PHP.ORDER_MEMBER];
} else if (mode == 'GET_REMOVE') {
var code = list + '.shift()';
return [code, Blockly.PHP.ORDER_MEMBER];
} else if (mode == 'REMOVE') {
return list + '.shift();\n';
}
} else if (where == 'LAST') {
if (mode == 'GET') {
var code = list + '.slice(-1)[0]';
return [code, Blockly.PHP.ORDER_MEMBER];
} else if (mode == 'GET_REMOVE') {
var code = list + '.pop()';
return [code, Blockly.PHP.ORDER_MEMBER];
} else if (mode == 'REMOVE') {
return list + '.pop();\n';
}
} else if (where == 'FROM_START') {
// Blockly uses one-based indicies.
if (Blockly.isNumber(at)) {
// If the index is a naked number, decrement it right now.
at = parseFloat(at) - 1;
} else {
// If the index is dynamic, decrement it in code.
at += ' - 1';
}
if (mode == 'GET') {
var code = list + '[' + at + ']';
return [code, Blockly.PHP.ORDER_MEMBER];
} else if (mode == 'GET_REMOVE') {
var code = list + '.splice(' + at + ', 1)[0]';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
} else if (mode == 'REMOVE') {
return list + '.splice(' + at + ', 1);\n';
}
} else if (where == 'FROM_END') {
if (mode == 'GET') {
var code = list + '.slice(-' + at + ')[0]';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
} else if (mode == 'GET_REMOVE' || mode == 'REMOVE') {
var functionName = Blockly.PHP.provideFunction_(
'lists_remove_from_end',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'(list, x) {',
' x = list.length - x;',
' return list.splice(x, 1)[0];',
'}']);
code = functionName + '(' + list + ', ' + at + ')';
if (mode == 'GET_REMOVE') {
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
} else if (mode == 'REMOVE') {
return code + ';\n';
}
}
} else if (where == 'RANDOM') {
var functionName = Blockly.PHP.provideFunction_(
'lists_get_random_item',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'(list, remove) {',
' var x = Math.floor(Math.random() * list.length);',
' if (remove) {',
' return list.splice(x, 1)[0];',
' } else {',
' return list[x];',
' }',
'}']);
code = functionName + '(' + list + ', ' + (mode != 'GET') + ')';
if (mode == 'GET' || mode == 'GET_REMOVE') {
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
} else if (mode == 'REMOVE') {
return code + ';\n';
}
}
throw 'Unhandled combination (lists_getIndex).';
};
Blockly.PHP['lists_setIndex'] = function(block) {
// Set element at index.
// Note: Until February 2013 this block did not have MODE or WHERE inputs.
var list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_MEMBER) || '[]';
var mode = block.getFieldValue('MODE') || 'GET';
var where = block.getFieldValue('WHERE') || 'FROM_START';
var at = Blockly.PHP.valueToCode(block, 'AT',
Blockly.PHP.ORDER_NONE) || '1';
var value = Blockly.PHP.valueToCode(block, 'TO',
Blockly.PHP.ORDER_ASSIGNMENT) || 'null';
// Cache non-trivial values to variables to prevent repeated look-ups.
// Closure, which accesses and modifies 'list'.
function cacheList() {
if (list.match(/^\w+$/)) {
return '';
}
var listVar = Blockly.PHP.variableDB_.getDistinctName(
'tmp_list', Blockly.Variables.NAME_TYPE);
var code = 'var ' + listVar + ' = ' + list + ';\n';
list = listVar;
return code;
}
if (where == 'FIRST') {
if (mode == 'SET') {
return list + '[0] = ' + value + ';\n';
} else if (mode == 'INSERT') {
return list + '.unshift(' + value + ');\n';
}
} else if (where == 'LAST') {
if (mode == 'SET') {
var code = cacheList();
code += list + '[' + list + '.length - 1] = ' + value + ';\n';
return code;
} else if (mode == 'INSERT') {
return list + '.push(' + value + ');\n';
}
} else if (where == 'FROM_START') {
// Blockly uses one-based indicies.
if (Blockly.isNumber(at)) {
// If the index is a naked number, decrement it right now.
at = parseFloat(at) - 1;
} else {
// If the index is dynamic, decrement it in code.
at += ' - 1';
}
if (mode == 'SET') {
return list + '[' + at + '] = ' + value + ';\n';
} else if (mode == 'INSERT') {
return list + '.splice(' + at + ', 0, ' + value + ');\n';
}
} else if (where == 'FROM_END') {
var code = cacheList();
if (mode == 'SET') {
code += list + '[' + list + '.length - ' + at + '] = ' + value + ';\n';
return code;
} else if (mode == 'INSERT') {
code += list + '.splice(' + list + '.length - ' + at + ', 0, ' + value +
');\n';
return code;
}
} else if (where == 'RANDOM') {
var code = cacheList();
var xVar = Blockly.PHP.variableDB_.getDistinctName(
'tmp_x', Blockly.Variables.NAME_TYPE);
code += 'var ' + xVar + ' = Math.floor(Math.random() * ' + list +
'.length);\n';
if (mode == 'SET') {
code += list + '[' + xVar + '] = ' + value + ';\n';
return code;
} else if (mode == 'INSERT') {
code += list + '.splice(' + xVar + ', 0, ' + value + ');\n';
return code;
}
}
throw 'Unhandled combination (lists_setIndex).';
};
Blockly.PHP['lists_getSublist'] = function(block) {
// Get sublist.
var list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_MEMBER) || '[]';
var where1 = block.getFieldValue('WHERE1');
var where2 = block.getFieldValue('WHERE2');
var at1 = Blockly.PHP.valueToCode(block, 'AT1',
Blockly.PHP.ORDER_NONE) || '1';
var at2 = Blockly.PHP.valueToCode(block, 'AT2',
Blockly.PHP.ORDER_NONE) || '1';
if (where1 == 'FIRST' && where2 == 'LAST') {
var code = list + '.concat()';
} else {
var functionName = Blockly.PHP.provideFunction_(
'lists_get_sublist',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'(list, where1, at1, where2, at2) {',
' function getAt(where, at) {',
' if (where == \'FROM_START\') {',
' at--;',
' } else if (where == \'FROM_END\') {',
' at = list.length - at;',
' } else if (where == \'FIRST\') {',
' at = 0;',
' } else if (where == \'LAST\') {',
' at = list.length - 1;',
' } else {',
' throw \'Unhandled option (lists_getSublist).\';',
' }',
' return at;',
' }',
' at1 = getAt(where1, at1);',
' at2 = getAt(where2, at2) + 1;',
' return list.slice(at1, at2);',
'}']);
var code = functionName + '(' + list + ', \'' +
where1 + '\', ' + at1 + ', \'' + where2 + '\', ' + at2 + ')';
}
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['lists_split'] = function(block) {
// Block for splitting text into a list, or joining a list into text.
var value_input = Blockly.PHP.valueToCode(block, 'INPUT',
Blockly.PHP.ORDER_MEMBER);
var value_delim = Blockly.PHP.valueToCode(block, 'DELIM',
Blockly.PHP.ORDER_NONE) || '\'\'';
var mode = block.getFieldValue('MODE');
if (mode == 'SPLIT') {
if (!value_input) {
value_input = '\'\'';
}
var functionName = 'split';
} else if (mode == 'JOIN') {
if (!value_input) {
value_input = '[]';
}
var functionName = 'join';
} else {
throw 'Unknown mode: ' + mode;
}
var code = value_input + '.' + functionName + '(' + value_delim + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};

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/**
* @license
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Generating PHP for logic blocks.
* @author daarond@gmail.com (Daaron Dwyer)
*/
'use strict';
goog.provide('Blockly.PHP.logic');
goog.require('Blockly.PHP');
Blockly.PHP['controls_if'] = function(block) {
// If/elseif/else condition.
var n = 0;
var argument = Blockly.PHP.valueToCode(block, 'IF' + n,
Blockly.PHP.ORDER_NONE) || 'false';
var branch = Blockly.PHP.statementToCode(block, 'DO' + n);
var code = 'if (' + argument + ') {\n' + branch + '}';
for (n = 1; n <= block.elseifCount_; n++) {
argument = Blockly.PHP.valueToCode(block, 'IF' + n,
Blockly.PHP.ORDER_NONE) || 'false';
branch = Blockly.PHP.statementToCode(block, 'DO' + n);
code += ' else if (' + argument + ') {\n' + branch + '}';
}
if (block.elseCount_) {
branch = Blockly.PHP.statementToCode(block, 'ELSE');
code += ' else {\n' + branch + '}';
}
return code + '\n';
};
Blockly.PHP['logic_compare'] = function(block) {
// Comparison operator.
var OPERATORS = {
'EQ': '==',
'NEQ': '!=',
'LT': '<',
'LTE': '<=',
'GT': '>',
'GTE': '>='
};
var operator = OPERATORS[block.getFieldValue('OP')];
var order = (operator == '==' || operator == '!=') ?
Blockly.PHP.ORDER_EQUALITY : Blockly.PHP.ORDER_RELATIONAL;
var argument0 = Blockly.PHP.valueToCode(block, 'A', order) || '0';
var argument1 = Blockly.PHP.valueToCode(block, 'B', order) || '0';
var code = argument0 + ' ' + operator + ' ' + argument1;
return [code, order];
};
Blockly.PHP['logic_operation'] = function(block) {
// Operations 'and', 'or'.
var operator = (block.getFieldValue('OP') == 'AND') ? '&&' : '||';
var order = (operator == '&&') ? Blockly.PHP.ORDER_LOGICAL_AND :
Blockly.PHP.ORDER_LOGICAL_OR;
var argument0 = Blockly.PHP.valueToCode(block, 'A', order);
var argument1 = Blockly.PHP.valueToCode(block, 'B', order);
if (!argument0 && !argument1) {
// If there are no arguments, then the return value is false.
argument0 = 'false';
argument1 = 'false';
} else {
// Single missing arguments have no effect on the return value.
var defaultArgument = (operator == '&&') ? 'true' : 'false';
if (!argument0) {
argument0 = defaultArgument;
}
if (!argument1) {
argument1 = defaultArgument;
}
}
var code = argument0 + ' ' + operator + ' ' + argument1;
return [code, order];
};
Blockly.PHP['logic_negate'] = function(block) {
// Negation.
var order = Blockly.PHP.ORDER_LOGICAL_NOT;
var argument0 = Blockly.PHP.valueToCode(block, 'BOOL', order) ||
'true';
var code = '!' + argument0;
return [code, order];
};
Blockly.PHP['logic_boolean'] = function(block) {
// Boolean values true and false.
var code = (block.getFieldValue('BOOL') == 'TRUE') ? 'true' : 'false';
return [code, Blockly.PHP.ORDER_ATOMIC];
};
Blockly.PHP['logic_null'] = function(block) {
// Null data type.
return ['null', Blockly.PHP.ORDER_ATOMIC];
};
Blockly.PHP['logic_ternary'] = function(block) {
// Ternary operator.
var value_if = Blockly.PHP.valueToCode(block, 'IF',
Blockly.PHP.ORDER_CONDITIONAL) || 'false';
var value_then = Blockly.PHP.valueToCode(block, 'THEN',
Blockly.PHP.ORDER_CONDITIONAL) || 'null';
var value_else = Blockly.PHP.valueToCode(block, 'ELSE',
Blockly.PHP.ORDER_CONDITIONAL) || 'null';
var code = value_if + ' ? ' + value_then + ' : ' + value_else;
return [code, Blockly.PHP.ORDER_CONDITIONAL];
};

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/**
* @license
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Generating PHP for loop blocks.
* @author daarond@gmail.com (Daaron Dwyer)
*/
'use strict';
goog.provide('Blockly.PHP.loops');
goog.require('Blockly.PHP');
Blockly.PHP['controls_repeat'] = function(block) {
// Repeat n times (internal number).
var repeats = Number(block.getFieldValue('TIMES'));
var branch = Blockly.PHP.statementToCode(block, 'DO');
branch = Blockly.PHP.addLoopTrap(branch, block.id);
var loopVar = Blockly.PHP.variableDB_.getDistinctName(
'count', Blockly.Variables.NAME_TYPE);
var code = 'for ($' + loopVar + ' = 0; $' +
loopVar + ' < ' + repeats + '; $' +
loopVar + '++) {\n' +
branch + '}\n';
return code;
};
Blockly.PHP['controls_repeat_ext'] = function(block) {
// Repeat n times (external number).
var repeats = Blockly.PHP.valueToCode(block, 'TIMES',
Blockly.PHP.ORDER_ASSIGNMENT) || '0';
var branch = Blockly.PHP.statementToCode(block, 'DO');
branch = Blockly.PHP.addLoopTrap(branch, block.id);
var code = '';
var loopVar = Blockly.PHP.variableDB_.getDistinctName(
'count', Blockly.Variables.NAME_TYPE);
var endVar = repeats;
if (!repeats.match(/^\w+$/) && !Blockly.isNumber(repeats)) {
var endVar = Blockly.PHP.variableDB_.getDistinctName(
'repeat_end', Blockly.Variables.NAME_TYPE);
code += 'var ' + endVar + ' = ' + repeats + ';\n';
}
code += 'for ($' + loopVar + ' = 0; $' +
loopVar + ' < $' + endVar + '; $' +
loopVar + '++) {\n' +
branch + '}\n';
return code;
};
Blockly.PHP['controls_whileUntil'] = function(block) {
// Do while/until loop.
var until = block.getFieldValue('MODE') == 'UNTIL';
var argument0 = Blockly.PHP.valueToCode(block, 'BOOL',
until ? Blockly.PHP.ORDER_LOGICAL_NOT :
Blockly.PHP.ORDER_NONE) || 'false';
var branch = Blockly.PHP.statementToCode(block, 'DO');
branch = Blockly.PHP.addLoopTrap(branch, block.id);
if (until) {
argument0 = '!' + argument0;
}
return 'while (' + argument0 + ') {\n' + branch + '}\n';
};
Blockly.PHP['controls_for'] = function(block) {
// For loop.
var variable0 = Blockly.PHP.variableDB_.getName(
block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
var argument0 = Blockly.PHP.valueToCode(block, 'FROM',
Blockly.PHP.ORDER_ASSIGNMENT) || '0';
var argument1 = Blockly.PHP.valueToCode(block, 'TO',
Blockly.PHP.ORDER_ASSIGNMENT) || '0';
var increment = Blockly.PHP.valueToCode(block, 'BY',
Blockly.PHP.ORDER_ASSIGNMENT) || '1';
var branch = Blockly.PHP.statementToCode(block, 'DO');
branch = Blockly.PHP.addLoopTrap(branch, block.id);
var code;
if (Blockly.isNumber(argument0) && Blockly.isNumber(argument1) &&
Blockly.isNumber(increment)) {
// All arguments are simple numbers.
var up = parseFloat(argument0) <= parseFloat(argument1);
code = 'for ($' + variable0 + ' = ' + argument0 + '; $' +
variable0 + (up ? ' <= ' : ' >= ') + argument1 + '; $' +
variable0;
var step = Math.abs(parseFloat(increment));
if (step == 1) {
code += up ? '++' : '--';
} else {
code += (up ? ' += ' : ' -= ') + step;
}
code += ') {\n' + branch + '}\n';
} else {
code = '';
// Cache non-trivial values to variables to prevent repeated look-ups.
var startVar = argument0;
if (!argument0.match(/^\w+$/) && !Blockly.isNumber(argument0)) {
startVar = Blockly.PHP.variableDB_.getDistinctName(
variable0 + '_start', Blockly.Variables.NAME_TYPE);
code += '$' + startVar + ' = ' + argument0 + ';\n';
}
var endVar = argument1;
if (!argument1.match(/^\w+$/) && !Blockly.isNumber(argument1)) {
var endVar = Blockly.PHP.variableDB_.getDistinctName(
variable0 + '_end', Blockly.Variables.NAME_TYPE);
code += '$' + endVar + ' = ' + argument1 + ';\n';
}
// Determine loop direction at start, in case one of the bounds
// changes during loop execution.
var incVar = Blockly.PHP.variableDB_.getDistinctName(
variable0 + '_inc', Blockly.Variables.NAME_TYPE);
code += '$' + incVar + ' = ';
if (Blockly.isNumber(increment)) {
code += Math.abs(increment) + ';\n';
} else {
code += 'abs(' + increment + ');\n';
}
code += 'if ($' + startVar + ' > $' + endVar + ') {\n';
code += Blockly.PHP.INDENT + '$' + incVar + ' = -$' + incVar + ';\n';
code += '}\n';
code += 'for (' + variable0 + ' = $' + startVar + ';\n' +
' ' + incVar + ' >= 0 ? $' +
variable0 + ' <= ' + endVar + ' : $' +
variable0 + ' >= ' + endVar + ';\n' +
' ' + variable0 + ' += $' + incVar + ') {\n' +
branch + '}\n';
}
return code;
};
Blockly.PHP['controls_forEach'] = function(block) {
// For each loop.
var variable0 = Blockly.PHP.variableDB_.getName(
block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
var argument0 = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_ASSIGNMENT) || '[]';
var branch = Blockly.PHP.statementToCode(block, 'DO');
branch = Blockly.PHP.addLoopTrap(branch, block.id);
var code = '';
// Cache non-trivial values to variables to prevent repeated look-ups.
var listVar = argument0;
if (!argument0.match(/^\w+$/)) {
listVar = Blockly.PHP.variableDB_.getDistinctName(
variable0 + '_list', Blockly.Variables.NAME_TYPE);
code += '$' + listVar + ' = ' + argument0 + ';\n';
}
var indexVar = Blockly.PHP.variableDB_.getDistinctName(
variable0 + '_index', Blockly.Variables.NAME_TYPE);
branch = Blockly.PHP.INDENT + variable0 + ' = ' +
listVar + '[' + indexVar + '];\n' + branch;
code += 'foreach ($' + listVar + ' as $' + indexVar + ') {\n' + branch + '}\n';
return code;
};
Blockly.PHP['controls_flow_statements'] = function(block) {
// Flow statements: continue, break.
switch (block.getFieldValue('FLOW')) {
case 'BREAK':
return 'break;\n';
case 'CONTINUE':
return 'continue;\n';
}
throw 'Unknown flow statement.';
};

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/**
* @license
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Generating PHP for math blocks.
* @author daarond@gmail.com (Daaron Dwyer)
*/
'use strict';
goog.provide('Blockly.PHP.math');
goog.require('Blockly.PHP');
Blockly.PHP['math_number'] = function(block) {
// Numeric value.
var code = parseFloat(block.getFieldValue('NUM'));
return [code, Blockly.PHP.ORDER_ATOMIC];
};
Blockly.PHP['math_arithmetic'] = function(block) {
// Basic arithmetic operators, and power.
var OPERATORS = {
'ADD': [' + ', Blockly.PHP.ORDER_ADDITION],
'MINUS': [' - ', Blockly.PHP.ORDER_SUBTRACTION],
'MULTIPLY': [' * ', Blockly.PHP.ORDER_MULTIPLICATION],
'DIVIDE': [' / ', Blockly.PHP.ORDER_DIVISION],
'POWER': [null, Blockly.PHP.ORDER_COMMA] // Handle power separately.
};
var tuple = OPERATORS[block.getFieldValue('OP')];
var operator = tuple[0];
var order = tuple[1];
var argument0 = Blockly.PHP.valueToCode(block, 'A', order) || '0';
var argument1 = Blockly.PHP.valueToCode(block, 'B', order) || '0';
var code;
// Power in PHP requires a special case since it has no operator.
if (!operator) {
code = 'Math.pow(' + argument0 + ', ' + argument1 + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
}
code = argument0 + operator + argument1;
return [code, order];
};
Blockly.PHP['math_single'] = function(block) {
// Math operators with single operand.
var operator = block.getFieldValue('OP');
var code;
var arg;
if (operator == 'NEG') {
// Negation is a special case given its different operator precedence.
arg = Blockly.PHP.valueToCode(block, 'NUM',
Blockly.PHP.ORDER_UNARY_NEGATION) || '0';
if (arg[0] == '-') {
// --3 is not legal in JS.
arg = ' ' + arg;
}
code = '-' + arg;
return [code, Blockly.PHP.ORDER_UNARY_NEGATION];
}
if (operator == 'SIN' || operator == 'COS' || operator == 'TAN') {
arg = Blockly.PHP.valueToCode(block, 'NUM',
Blockly.PHP.ORDER_DIVISION) || '0';
} else {
arg = Blockly.PHP.valueToCode(block, 'NUM',
Blockly.PHP.ORDER_NONE) || '0';
}
// First, handle cases which generate values that don't need parentheses
// wrapping the code.
switch (operator) {
case 'ABS':
code = 'abs(' + arg + ')';
break;
case 'ROOT':
code = 'sqrt(' + arg + ')';
break;
case 'LN':
code = 'log(' + arg + ')';
break;
case 'EXP':
code = 'exp(' + arg + ')';
break;
case 'POW10':
code = 'pow(10,' + arg + ')';
break;
case 'ROUND':
code = 'round(' + arg + ')';
break;
case 'ROUNDUP':
code = 'ceil(' + arg + ')';
break;
case 'ROUNDDOWN':
code = 'floor(' + arg + ')';
break;
case 'SIN':
code = 'sin(' + arg + ' / 180 * pi())';
break;
case 'COS':
code = 'cos(' + arg + ' / 180 * pi())';
break;
case 'TAN':
code = 'tan(' + arg + ' / 180 * pi())';
break;
}
if (code) {
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
}
// Second, handle cases which generate values that may need parentheses
// wrapping the code.
switch (operator) {
case 'LOG10':
code = 'log(' + arg + ') / log(10)';
break;
case 'ASIN':
code = 'asin(' + arg + ') / pi() * 180';
break;
case 'ACOS':
code = 'acos(' + arg + ') / pi() * 180';
break;
case 'ATAN':
code = 'atan(' + arg + ') / pi() * 180';
break;
default:
throw 'Unknown math operator: ' + operator;
}
return [code, Blockly.PHP.ORDER_DIVISION];
};
Blockly.PHP['math_constant'] = function(block) {
// Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
var CONSTANTS = {
'PI': ['pi()', Blockly.PHP.ORDER_MEMBER],
'E': ['exp', Blockly.PHP.ORDER_FUNCTION_CALL],
'GOLDEN_RATIO':
['(1 + sqrt(5)) / 2', Blockly.PHP.ORDER_DIVISION],
'SQRT2': ['sqrt', Blockly.PHP.ORDER_MEMBER],
'SQRT1_2': ['sqrt', Blockly.PHP.ORDER_MEMBER],
'INFINITY': ['Infinity', Blockly.PHP.ORDER_ATOMIC]
};
return CONSTANTS[block.getFieldValue('CONSTANT')];
};
Blockly.PHP['math_number_property'] = function(block) {
// Check if a number is even, odd, prime, whole, positive, or negative
// or if it is divisible by certain number. Returns true or false.
var number_to_check = Blockly.PHP.valueToCode(block, 'NUMBER_TO_CHECK',
Blockly.PHP.ORDER_MODULUS) || '0';
var dropdown_property = block.getFieldValue('PROPERTY');
var code;
switch (dropdown_property) {
case 'EVEN':
code = number_to_check + ' % 2 == 0';
break;
case 'ODD':
code = number_to_check + ' % 2 == 1';
break;
case 'PRIME':
code = 'mp_prob_prime('+number_to_check + ')';
break;
case 'WHOLE':
code = number_to_check + ' % 1 == 0';
break;
case 'POSITIVE':
code = number_to_check + ' > 0';
break;
case 'NEGATIVE':
code = number_to_check + ' < 0';
break;
case 'DIVISIBLE_BY':
var divisor = Blockly.PHP.valueToCode(block, 'DIVISOR',
Blockly.PHP.ORDER_MODULUS) || '0';
code = number_to_check + ' % ' + divisor + ' == 0';
break;
}
return [code, Blockly.PHP.ORDER_EQUALITY];
};
Blockly.PHP['math_change'] = function(block) {
// Add to a variable in place.
var argument0 = Blockly.PHP.valueToCode(block, 'DELTA',
Blockly.PHP.ORDER_ADDITION) || '0';
var varName = Blockly.PHP.variableDB_.getName(
block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
return varName + ' = (typeof ' + varName + ' == \'number\' ? ' + varName +
' : 0) + ' + argument0 + ';\n';
};
// Rounding functions have a single operand.
Blockly.PHP['math_round'] = Blockly.PHP['math_single'];
// Trigonometry functions have a single operand.
Blockly.PHP['math_trig'] = Blockly.PHP['math_single'];
Blockly.PHP['math_on_list'] = function(block) {
// Math functions for lists.
var func = block.getFieldValue('OP');
var list, code;
switch (func) {
case 'SUM':
list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_MEMBER) || 'array()';
code = 'array_sum(' + list + ')';
break;
case 'MIN':
list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_COMMA) || 'array()';
code = 'min(' + list + ')';
break;
case 'MAX':
list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_COMMA) || 'array()';
code = 'max(' + list + ')';
break;
case 'AVERAGE':
// math_median([null,null,1,3]) == 2.0.
var functionName = Blockly.PHP.provideFunction_(
'math_mean',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($myList) {',
' return array_sum($myList) / count($myList);',
'}']);
list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_NONE) || 'array()';
code = functionName + '(' + list + ')';
break;
case 'MEDIAN':
// math_median([null,null,1,3]) == 2.0.
var functionName = Blockly.PHP.provideFunction_(
'math_median',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($myList) {',
' rsort($myList);',
' $middle = round(count($myList) / 2);',
' return $myList[$middle-1]; ',
'}']);
list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_NONE) || '[]';
code = functionName + '(' + list + ')';
break;
case 'MODE':
// As a list of numbers can contain more than one mode,
// the returned result is provided as an array.
// Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1].
var functionName = Blockly.PHP.provideFunction_(
'math_modes',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($values) {',
' $v = array_count_values($values);',
' arsort($v);',
' foreach($v as $k => $v){$total = $k; break;}',
' return $total;',
'}']);
list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_NONE) || '[]';
code = functionName + '(' + list + ')';
break;
case 'STD_DEV':
list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_MEMBER) || 'array()';
code = 'stats_standard_deviation(' + list + ')';
break;
case 'RANDOM':
var functionName = Blockly.PHP.provideFunction_(
'math_random_list',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($list) {',
' $x = floor(rand() * count($list));',
' return $list[$x];',
'}']);
list = Blockly.PHP.valueToCode(block, 'LIST',
Blockly.PHP.ORDER_NONE) || '[]';
code = functionName + '(' + list + ')';
break;
default:
throw 'Unknown operator: ' + func;
}
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['math_modulo'] = function(block) {
// Remainder computation.
var argument0 = Blockly.PHP.valueToCode(block, 'DIVIDEND',
Blockly.PHP.ORDER_MODULUS) || '0';
var argument1 = Blockly.PHP.valueToCode(block, 'DIVISOR',
Blockly.PHP.ORDER_MODULUS) || '0';
var code = argument0 + ' % ' + argument1;
return [code, Blockly.PHP.ORDER_MODULUS];
};
Blockly.PHP['math_constrain'] = function(block) {
// Constrain a number between two limits.
var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_COMMA) || '0';
var argument1 = Blockly.PHP.valueToCode(block, 'LOW',
Blockly.PHP.ORDER_COMMA) || '0';
var argument2 = Blockly.PHP.valueToCode(block, 'HIGH',
Blockly.PHP.ORDER_COMMA) || 'Infinity';
var code = 'min(max(' + argument0 + ', ' + argument1 + '), ' +
argument2 + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['math_random_int'] = function(block) {
// Random integer between [X] and [Y].
var argument0 = Blockly.PHP.valueToCode(block, 'FROM',
Blockly.PHP.ORDER_COMMA) || '0';
var argument1 = Blockly.PHP.valueToCode(block, 'TO',
Blockly.PHP.ORDER_COMMA) || '0';
var functionName = Blockly.PHP.provideFunction_(
'math_random_int',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($a, $b) {',
' if ($a > $b) {',
' // Swap a and b to ensure a is smaller.',
' $c = $a;',
' $a = $b;',
' $b = $c;',
' }',
' return rand($a, $b);',
'}']);
var code = functionName + '(' + argument0 + ', ' + argument1 + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['math_random_float'] = function(block) {
// Random fraction between 0 and 1.
return ['(float)rand()/(float)getrandmax()', Blockly.PHP.ORDER_FUNCTION_CALL];
};

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/**
* @license
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Generating PHP for procedure blocks.
* @author daarond@gmail.com (Daaron Dwyer)
*/
'use strict';
goog.provide('Blockly.PHP.procedures');
goog.require('Blockly.PHP');
Blockly.PHP['procedures_defreturn'] = function(block) {
// Define a procedure with a return value.
var funcName = Blockly.PHP.variableDB_.getName(
block.getFieldValue('NAME'), Blockly.Procedures.NAME_TYPE);
var branch = Blockly.PHP.statementToCode(block, 'STACK');
if (Blockly.PHP.STATEMENT_PREFIX) {
branch = Blockly.PHP.prefixLines(
Blockly.PHP.STATEMENT_PREFIX.replace(/%1/g,
'\'' + block.id + '\''), Blockly.PHP.INDENT) + branch;
}
if (Blockly.PHP.INFINITE_LOOP_TRAP) {
branch = Blockly.PHP.INFINITE_LOOP_TRAP.replace(/%1/g,
'\'' + block.id + '\'') + branch;
}
var returnValue = Blockly.PHP.valueToCode(block, 'RETURN',
Blockly.PHP.ORDER_NONE) || '';
if (returnValue) {
returnValue = ' return ' + returnValue + ';\n';
}
var args = [];
for (var x = 0; x < block.arguments_.length; x++) {
args[x] = Blockly.PHP.variableDB_.getName(block.arguments_[x],
Blockly.Variables.NAME_TYPE);
}
var code = 'function ' + funcName + '(' + args.join(', ') + ') {\n' +
branch + returnValue + '}';
code = Blockly.PHP.scrub_(block, code);
Blockly.PHP.definitions_[funcName] = code;
return null;
};
// Defining a procedure without a return value uses the same generator as
// a procedure with a return value.
Blockly.PHP['procedures_defnoreturn'] =
Blockly.PHP['procedures_defreturn'];
Blockly.PHP['procedures_callreturn'] = function(block) {
// Call a procedure with a return value.
var funcName = Blockly.PHP.variableDB_.getName(
block.getFieldValue('NAME'), Blockly.Procedures.NAME_TYPE);
var args = [];
for (var x = 0; x < block.arguments_.length; x++) {
args[x] = Blockly.PHP.valueToCode(block, 'ARG' + x,
Blockly.PHP.ORDER_COMMA) || 'null';
}
var code = funcName + '(' + args.join(', ') + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['procedures_callnoreturn'] = function(block) {
// Call a procedure with no return value.
var funcName = Blockly.PHP.variableDB_.getName(
block.getFieldValue('NAME'), Blockly.Procedures.NAME_TYPE);
var args = [];
for (var x = 0; x < block.arguments_.length; x++) {
args[x] = Blockly.PHP.valueToCode(block, 'ARG' + x,
Blockly.PHP.ORDER_COMMA) || 'null';
}
var code = funcName + '(' + args.join(', ') + ');\n';
return code;
};
Blockly.PHP['procedures_ifreturn'] = function(block) {
// Conditionally return value from a procedure.
var condition = Blockly.PHP.valueToCode(block, 'CONDITION',
Blockly.PHP.ORDER_NONE) || 'false';
var code = 'if (' + condition + ') {\n';
if (block.hasReturnValue_) {
var value = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_NONE) || 'null';
code += ' return ' + value + ';\n';
} else {
code += ' return;\n';
}
code += '}\n';
return code;
};

247
generators/php/text.js Normal file
View File

@@ -0,0 +1,247 @@
/**
* @license
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Generating PHP for text blocks.
* @author daarond@gmail.com (Daaron Dwyer)
*/
'use strict';
goog.provide('Blockly.PHP.texts');
goog.require('Blockly.PHP');
Blockly.PHP['text'] = function(block) {
// Text value.
var code = Blockly.PHP.quote_(block.getFieldValue('TEXT'));
return [code, Blockly.PHP.ORDER_ATOMIC];
};
Blockly.PHP['text_join'] = function(block) {
// Create a string made up of any number of elements of any type.
var code;
if (block.itemCount_ == 0) {
return ['\'\'', Blockly.PHP.ORDER_ATOMIC];
} else if (block.itemCount_ == 1) {
var argument0 = Blockly.PHP.valueToCode(block, 'ADD0',
Blockly.PHP.ORDER_NONE) || '\'\'';
code = argument0;
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
} else if (block.itemCount_ == 2) {
var argument0 = Blockly.PHP.valueToCode(block, 'ADD0',
Blockly.PHP.ORDER_NONE) || '\'\'';
var argument1 = Blockly.PHP.valueToCode(block, 'ADD1',
Blockly.PHP.ORDER_NONE) || '\'\'';
code = argument0 + ' . ' + argument1;
return [code, Blockly.PHP.ORDER_ADDITION];
} else {
code = new Array(block.itemCount_);
for (var n = 0; n < block.itemCount_; n++) {
code[n] = Blockly.PHP.valueToCode(block, 'ADD' + n,
Blockly.PHP.ORDER_COMMA) || '\'\'';
}
code = 'implode(\',\'' + code.join(',') + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
}
};
Blockly.PHP['text_append'] = function(block) {
// Append to a variable in place.
var varName = Blockly.PHP.variableDB_.getName(
block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
Blockly.PHP.ORDER_NONE) || '\'\'';
return varName + ' = ' + varName + ' . ' + argument0 + ';\n';
};
Blockly.PHP['text_length'] = function(block) {
// String length.
var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_FUNCTION_CALL) || '\'\'';
return ['strlen(' + argument0 + ')', Blockly.PHP.ORDER_MEMBER];
};
Blockly.PHP['text_isEmpty'] = function(block) {
// Is the string null?
var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_MEMBER) || '\'\'';
return ['empty(' + argument0 + ')', Blockly.PHP.ORDER_LOGICAL_NOT];
};
Blockly.PHP['text_indexOf'] = function(block) {
// Search the text for a substring.
var operator = block.getFieldValue('END') == 'FIRST' ?
'strpos' : 'strrpos';
var argument0 = Blockly.PHP.valueToCode(block, 'FIND',
Blockly.PHP.ORDER_NONE) || '\'\'';
var argument1 = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_MEMBER) || '\'\'';
var code = operator + '(' + argument0 + ', ' + argument1 + ') + 1';
return [code, Blockly.PHP.ORDER_MEMBER];
};
Blockly.PHP['text_charAt'] = function(block) {
// Get letter at index.
var where = block.getFieldValue('WHERE') || 'FROM_START';
var at = Blockly.PHP.valueToCode(block, 'AT',
Blockly.PHP.ORDER_UNARY_NEGATION) || '1';
var text = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_MEMBER) || '\'\'';
switch (where) {
case 'FIRST':
var code = text + '[0]';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
case 'LAST':
var code = 'substr(' + text + ',-1,1)';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
case 'FROM_START':
// Blockly uses one-based indicies.
if (Blockly.isNumber(at)) {
// If the index is a naked number, decrement it right now.
at = parseFloat(at) - 1;
} else {
// If the index is dynamic, decrement it in code.
at += ' - 1';
}
var code = 'substr(' + text + ', ' + at + ', 1)';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
case 'FROM_END':
var code = 'substr(' + text + ', -' + at + ', 1)';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
case 'RANDOM':
var functionName = Blockly.PHP.provideFunction_(
'text_random_letter',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($text) {',
' return $text[rand(0, strlen($text)-1)];',
'}']);
code = functionName + '(' + text + ')';
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
}
throw 'Unhandled option (text_charAt).';
};
Blockly.PHP['text_getSubstring'] = function(block) {
// Get substring.
var text = Blockly.PHP.valueToCode(block, 'STRING',
Blockly.PHP.ORDER_MEMBER) || '\'\'';
var where1 = block.getFieldValue('WHERE1');
var where2 = block.getFieldValue('WHERE2');
var at1 = Blockly.PHP.valueToCode(block, 'AT1',
Blockly.PHP.ORDER_NONE) || '1';
var at2 = Blockly.PHP.valueToCode(block, 'AT2',
Blockly.PHP.ORDER_NONE) || '1';
if (where1 == 'FIRST' && where2 == 'LAST') {
var code = text;
} else {
var functionName = Blockly.PHP.provideFunction_(
'text_get_substring',
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
'($text, $where1, $at1, $where2, $at2) {',
' if ($where1 == \'FROM_START\') {',
' $at1--;',
' } else if ($where1 == \'FROM_END\') {',
' $at1 = strlen($text) - $at;',
' } else if ($where1 == \'FIRST\') {',
' $at1 = 0;',
' } else if (where1 == \'LAST\') {',
' $at1 = strlen($text) - 1;',
' } else { $at1 = 0; }',
' if ($where2 == \'FROM_START\') {',
' $at2--;',
' } else if ($where2 == \'FROM_END\') {',
' $at2 = strlen($text) - $at;',
' } else if ($where2 == \'FIRST\') {',
' $at2 = 0;',
' } else if (where2 == \'LAST\') {',
' $at2 = strlen($text) - 1;',
' } else { $at2 = 0; }',
' $at1 = getAt($where1, $at1);',
' $at2 = getAt($where2, $at2) + 1;',
' return substr($text, $at1, $at2);',
'}']);
var code = functionName + '(' + text + ', \'' +
where1 + '\', ' + at1 + ', \'' + where2 + '\', ' + at2 + ')';
}
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['text_changeCase'] = function(block) {
// Change capitalization.
var code;
if (block.getFieldValue('CASE')=='UPPERCASE') {
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
Blockly.PHP.ORDER_MEMBER) || '\'\'';
code = 'strtoupper(' + argument0 + ')';
} else if (block.getFieldValue('CASE')=='LOWERCASE') {
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
Blockly.PHP.ORDER_MEMBER) || '\'\'';
code = 'strtolower(' + argument0 + ')';
} else if (block.getFieldValue('CASE')=='TITLECASE') {
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
Blockly.PHP.ORDER_MEMBER) || '\'\'';
code = 'ucwords(' + argument0 + ')';
}
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['text_trim'] = function(block) {
// Trim spaces.
var OPERATORS = {
'LEFT': 'ltrim',
'RIGHT': 'rtrim',
'BOTH': 'trim'
};
var operator = OPERATORS[block.getFieldValue('MODE')];
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
Blockly.PHP.ORDER_MEMBER) || '\'\'';
return [ operator + '(' + argument0 + ')', Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['text_print'] = function(block) {
// Print statement.
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
Blockly.PHP.ORDER_NONE) || '\'\'';
return 'print(' + argument0 + ');\n';
};
Blockly.PHP['text_prompt'] = function(block) {
// Prompt function (internal message).
var msg = Blockly.PHP.quote_(block.getFieldValue('TEXT'));
var code = 'readline(' + msg + ')';
var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
if (toNumber) {
code = 'floatval(' + code + ')';
}
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};
Blockly.PHP['text_prompt_ext'] = function(block) {
// Prompt function (external message).
var msg = Blockly.PHP.valueToCode(block, 'TEXT',
Blockly.PHP.ORDER_NONE) || '\'\'';
var code = 'readline(' + msg + ')';
var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
if (toNumber) {
code = 'floatval(' + code + ')';
}
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
};

46
generators/php/variables.js Normal file
View File

@@ -0,0 +1,46 @@
/**
* @license
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Generating PHP for variable blocks.
* @author daarond@gmail.com (Daaron Dwyer)
*/
'use strict';
goog.provide('Blockly.PHP.variables');
goog.require('Blockly.PHP');
Blockly.PHP['variables_get'] = function(block) {
// Variable getter.
var code = Blockly.PHP.variableDB_.getName(block.getFieldValue('VAR'),
Blockly.Variables.NAME_TYPE);
return [code, Blockly.PHP.ORDER_ATOMIC];
};
Blockly.PHP['variables_set'] = function(block) {
// Variable setter.
var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
Blockly.PHP.ORDER_ASSIGNMENT) || '0';
var varName = Blockly.PHP.variableDB_.getName(
block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
return '$' + varName + ' = ' + argument0 + ';\n';
};

11
tests/playground.html
View File

@@ -13,6 +13,15 @@
<script src="../generators/javascript/colour.js"></script>
<script src="../generators/javascript/variables.js"></script>
<script src="../generators/javascript/procedures.js"></script>
<script src="../generators/php.js"></script>
<script src="../generators/php/logic.js"></script>
<script src="../generators/php/loops.js"></script>
<script src="../generators/php/math.js"></script>
<script src="../generators/php/text.js"></script>
<script src="../generators/php/lists.js"></script>
<script src="../generators/php/colour.js"></script>
<script src="../generators/php/variables.js"></script>
<script src="../generators/php/procedures.js"></script>
<script src="../generators/python.js"></script>
<script src="../generators/python/logic.js"></script>
<script src="../generators/python/loops.js"></script>
@@ -436,6 +445,8 @@ h1 {
<br>
<input type="button" value="To JavaScript" onclick="toCode('JavaScript')">
&nbsp;
<input type="button" value="To PHP" onclick="toCode('PHP')">
&nbsp;
<input type="button" value="To Python" onclick="toCode('Python')">
&nbsp;
<input type="button" value="To Dart" onclick="toCode('Dart')">