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jsminplus.php File Reference

JSMinPlus version 1.4. More...

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Classes

class  JSCompilerContext
 
class  JSMinPlus
 
class  JSNode
 
class  JSParser
 
class  JSToken
 
class  JSTokenizer
 

Variables

const DECLARED_FORM 0
 
const EXPRESSED_FORM 1
 
const JS_ARRAY_INIT 107
 
const JS_BLOCK 101
 
const JS_CALL 104
 
const JS_FOR_IN 103
 
const JS_GETTER 110
 
const JS_GROUP 112
 
const JS_INDEX 106
 
const JS_LABEL 102
 
const JS_LIST 113
 
const JS_MINIFIED 999
 
const JS_NEW_WITH_ARGS 105
 
const JS_OBJECT_INIT 108
 
const JS_PROPERTY_INIT 109
 
const JS_SCRIPT 100
 
const JS_SETTER 111
 
const KEYWORD_BREAK 'break'
 
const KEYWORD_CASE 'case'
 
const KEYWORD_CATCH 'catch'
 
const KEYWORD_CONST 'const'
 
const KEYWORD_CONTINUE 'continue'
 
const KEYWORD_DEBUGGER 'debugger'
 
const KEYWORD_DEFAULT 'default'
 
const KEYWORD_DELETE 'delete'
 
const KEYWORD_DO 'do'
 
const KEYWORD_ELSE 'else'
 
const KEYWORD_ENUM 'enum'
 
const KEYWORD_FALSE 'false'
 
const KEYWORD_FINALLY 'finally'
 
const KEYWORD_FOR 'for'
 
const KEYWORD_FUNCTION 'function'
 
const KEYWORD_IF 'if'
 
const KEYWORD_IN 'in'
 
const KEYWORD_INSTANCEOF 'instanceof'
 
const KEYWORD_NEW 'new'
 
const KEYWORD_NULL 'null'
 
const KEYWORD_RETURN 'return'
 
const KEYWORD_SWITCH 'switch'
 
const KEYWORD_THIS 'this'
 
const KEYWORD_THROW 'throw'
 
const KEYWORD_TRUE 'true'
 
const KEYWORD_TRY 'try'
 
const KEYWORD_TYPEOF 'typeof'
 
const KEYWORD_VAR 'var'
 
const KEYWORD_VOID 'void'
 
const KEYWORD_WHILE 'while'
 
const KEYWORD_WITH 'with'
 
const OP_AND '&&'
 
const OP_ASSIGN '='
 
const OP_BITWISE_AND '&'
 
const OP_BITWISE_NOT '~'
 
const OP_BITWISE_OR '|'
 
const OP_BITWISE_XOR '^'
 
const OP_COLON ':'
 
const OP_COMMA ','
 
const OP_CONDCOMMENT_END '@*/'
 
const OP_DECREMENT '--'
 
const OP_DIV '/'
 
const OP_DOT '.'
 
const OP_EQ '=='
 
const OP_GE '>='
 
const OP_GT '>'
 
const OP_HOOK '?'
 
const OP_INCREMENT '++'
 
const OP_LE '<='
 
const OP_LEFT_BRACKET '['
 
const OP_LEFT_CURLY '{'
 
const OP_LEFT_PAREN '('
 
const OP_LSH '<<'
 
const OP_LT '<'
 
const OP_MINUS '-'
 
const OP_MOD '%'
 
const OP_MUL '*'
 
const OP_NE '!='
 
const OP_NOT '!'
 
const OP_OR '||'
 
const OP_PLUS '+'
 
const OP_RIGHT_BRACKET ']'
 
const OP_RIGHT_CURLY '}'
 
const OP_RIGHT_PAREN ')'
 
const OP_RSH '>>'
 
const OP_SEMICOLON ';'
 
const OP_STRICT_EQ '==='
 
const OP_STRICT_NE '!=='
 
const OP_UNARY_MINUS 'U-'
 
const OP_UNARY_PLUS 'U+'
 
const OP_URSH '>>>'
 
const STATEMENT_FORM 2
 
const TOKEN_CONDCOMMENT_END 8
 
const TOKEN_CONDCOMMENT_START 7
 
const TOKEN_END 1
 
const TOKEN_IDENTIFIER 3
 
const TOKEN_NEWLINE 6
 
const TOKEN_NUMBER 2
 
const TOKEN_REGEXP 5
 
const TOKEN_STRING 4
 

Detailed Description

JSMinPlus version 1.4.

Minifies a javascript file using a javascript parser

This implements a PHP port of Brendan Eich's Narcissus open source javascript engine (in javascript) References: https://en.wikipedia.org/wiki/Narcissus_(JavaScript_engine) Narcissus sourcecode: https://mxr.mozilla.org/mozilla/source/js/narcissus/ JSMinPlus weblog: https://crisp.tweakblogs.net/blog/cat/716

Tino Zijdel crisp.nosp@m.@twe.nosp@m.akers.nosp@m..net

Usage: $minified = JSMinPlus::minify($script [, $filename])

Versionlog (see also changelog.txt): 23-07-2011 - remove dynamic creation of OP_* and KEYWORD_* defines and declare them on top reduce memory footprint by minifying by block-scope some small byte-saving and performance improvements 12-05-2009 - fixed hook:colon precedence, fixed empty body in loop and if-constructs 18-04-2009 - fixed crashbug in PHP 5.2.9 and several other bugfixes 12-04-2009 - some small bugfixes and performance improvements 09-04-2009 - initial open sourced version 1.0

Latest version of this script: http://files.tweakers.net/jsminplus/jsminplus.zip

Definition in file jsminplus.php.

Variable Documentation

◆ DECLARED_FORM

const DECLARED_FORM 0

◆ EXPRESSED_FORM

const EXPRESSED_FORM 1

Definition at line 95 of file jsminplus.php.

Referenced by JSParser\Expression().

◆ JS_ARRAY_INIT

const JS_ARRAY_INIT 107

Definition at line 84 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ JS_BLOCK

const JS_BLOCK 101

Definition at line 78 of file jsminplus.php.

Referenced by JSMinPlus\parseTree(), JSParser\Statement(), and JSParser\Statements().

◆ JS_CALL

const JS_CALL 104

Definition at line 81 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ JS_FOR_IN

const JS_FOR_IN 103

Definition at line 80 of file jsminplus.php.

Referenced by JSMinPlus\parseTree(), and JSParser\Statement().

◆ JS_GETTER

const JS_GETTER 110

Definition at line 87 of file jsminplus.php.

Referenced by JSParser\FunctionDefinition(), and JSMinPlus\parseTree().

◆ JS_GROUP

const JS_GROUP 112

Definition at line 89 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ JS_INDEX

const JS_INDEX 106

Definition at line 83 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ JS_LABEL

const JS_LABEL 102

Definition at line 79 of file jsminplus.php.

Referenced by JSMinPlus\parseTree(), and JSParser\Statement().

◆ JS_LIST

const JS_LIST 113

Definition at line 90 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ JS_MINIFIED

const JS_MINIFIED 999

Definition at line 92 of file jsminplus.php.

Referenced by JSMinPlus\parseTree(), and JSParser\Script().

◆ JS_NEW_WITH_ARGS

const JS_NEW_WITH_ARGS 105

Definition at line 82 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ JS_OBJECT_INIT

const JS_OBJECT_INIT 108

Definition at line 85 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ JS_PROPERTY_INIT

const JS_PROPERTY_INIT 109

Definition at line 86 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ JS_SCRIPT

const JS_SCRIPT 100

Definition at line 77 of file jsminplus.php.

Referenced by JSMinPlus\parseTree(), and JSParser\Script().

◆ JS_SETTER

const JS_SETTER 111

Definition at line 88 of file jsminplus.php.

Referenced by JSParser\FunctionDefinition().

◆ KEYWORD_BREAK

const KEYWORD_BREAK 'break'

Definition at line 142 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_CASE

const KEYWORD_CASE 'case'

Definition at line 143 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_CATCH

const KEYWORD_CATCH 'catch'

Definition at line 144 of file jsminplus.php.

Referenced by JSParser\isKeyword(), and JSParser\Statement().

◆ KEYWORD_CONST

const KEYWORD_CONST 'const'

◆ KEYWORD_CONTINUE

const KEYWORD_CONTINUE 'continue'

Definition at line 146 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_DEBUGGER

const KEYWORD_DEBUGGER 'debugger'

Definition at line 147 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_DEFAULT

const KEYWORD_DEFAULT 'default'

Definition at line 148 of file jsminplus.php.

Referenced by JSParser\isKeyword(), and JSParser\Statement().

◆ KEYWORD_DELETE

const KEYWORD_DELETE 'delete'

Definition at line 149 of file jsminplus.php.

Referenced by JSParser\Expression(), JSParser\isKeyword(), and JSMinPlus\parseTree().

◆ KEYWORD_DO

const KEYWORD_DO 'do'

Definition at line 150 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_ELSE

const KEYWORD_ELSE 'else'

Definition at line 151 of file jsminplus.php.

Referenced by JSParser\isKeyword(), and JSParser\Statement().

◆ KEYWORD_ENUM

const KEYWORD_ENUM 'enum'

Definition at line 152 of file jsminplus.php.

Referenced by JSParser\isKeyword().

◆ KEYWORD_FALSE

const KEYWORD_FALSE 'false'

Definition at line 153 of file jsminplus.php.

Referenced by JSParser\Expression(), JSParser\isKeyword(), and JSMinPlus\parseTree().

◆ KEYWORD_FINALLY

const KEYWORD_FINALLY 'finally'

Definition at line 154 of file jsminplus.php.

Referenced by JSParser\isKeyword(), and JSParser\Statement().

◆ KEYWORD_FOR

const KEYWORD_FOR 'for'

Definition at line 155 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_FUNCTION

◆ KEYWORD_IF

const KEYWORD_IF 'if'

Definition at line 157 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_IN

const KEYWORD_IN 'in'

◆ KEYWORD_INSTANCEOF

const KEYWORD_INSTANCEOF 'instanceof'

Definition at line 159 of file jsminplus.php.

Referenced by JSParser\Expression(), JSParser\isKeyword(), and JSMinPlus\parseTree().

◆ KEYWORD_NEW

const KEYWORD_NEW 'new'

Definition at line 160 of file jsminplus.php.

Referenced by JSParser\Expression(), JSParser\isKeyword(), and JSMinPlus\parseTree().

◆ KEYWORD_NULL

const KEYWORD_NULL 'null'

Definition at line 161 of file jsminplus.php.

Referenced by JSParser\Expression(), JSParser\isKeyword(), and JSMinPlus\parseTree().

◆ KEYWORD_RETURN

const KEYWORD_RETURN 'return'

Definition at line 162 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_SWITCH

const KEYWORD_SWITCH 'switch'

Definition at line 163 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_THIS

const KEYWORD_THIS 'this'

Definition at line 164 of file jsminplus.php.

Referenced by JSParser\Expression(), JSParser\isKeyword(), and JSMinPlus\parseTree().

◆ KEYWORD_THROW

const KEYWORD_THROW 'throw'

Definition at line 165 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_TRUE

const KEYWORD_TRUE 'true'

Definition at line 166 of file jsminplus.php.

Referenced by JSParser\Expression(), JSParser\isKeyword(), and JSMinPlus\parseTree().

◆ KEYWORD_TRY

const KEYWORD_TRY 'try'

Definition at line 167 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_TYPEOF

const KEYWORD_TYPEOF 'typeof'

Definition at line 168 of file jsminplus.php.

Referenced by JSParser\Expression(), JSParser\isKeyword(), and JSMinPlus\parseTree().

◆ KEYWORD_VAR

const KEYWORD_VAR 'var'

Definition at line 169 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_VOID

const KEYWORD_VOID 'void'

Definition at line 170 of file jsminplus.php.

Referenced by JSParser\Expression(), JSParser\isKeyword(), and JSMinPlus\parseTree().

◆ KEYWORD_WHILE

const KEYWORD_WHILE 'while'

Definition at line 171 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ KEYWORD_WITH

const KEYWORD_WITH 'with'

Definition at line 172 of file jsminplus.php.

Referenced by JSParser\isKeyword(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ OP_AND

const OP_AND '&&'

Definition at line 104 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_ASSIGN

const OP_ASSIGN '='

◆ OP_BITWISE_AND

const OP_BITWISE_AND '&'

Definition at line 107 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_BITWISE_NOT

const OP_BITWISE_NOT '~'

Definition at line 128 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_BITWISE_OR

const OP_BITWISE_OR '|'

Definition at line 105 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_BITWISE_XOR

const OP_BITWISE_XOR '^'

Definition at line 106 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_COLON

const OP_COLON ':'

Definition at line 102 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSParser\Statement().

◆ OP_COMMA

const OP_COMMA ','

◆ OP_CONDCOMMENT_END

const OP_CONDCOMMENT_END '@*/'

Definition at line 136 of file jsminplus.php.

◆ OP_DECREMENT

const OP_DECREMENT '--'

Definition at line 121 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_DIV

const OP_DIV '/'

Definition at line 125 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_DOT

const OP_DOT '.'

Definition at line 129 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_EQ

const OP_EQ '=='

Definition at line 109 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_GE

const OP_GE '>='

Definition at line 118 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_GT

const OP_GT '>'

Definition at line 119 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_HOOK

const OP_HOOK '?'

Definition at line 101 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_INCREMENT

const OP_INCREMENT '++'

Definition at line 120 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_LE

const OP_LE '<='

Definition at line 114 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_LEFT_BRACKET

const OP_LEFT_BRACKET '['

Definition at line 130 of file jsminplus.php.

Referenced by JSParser\Expression().

◆ OP_LEFT_CURLY

const OP_LEFT_CURLY '{'

◆ OP_LEFT_PAREN

const OP_LEFT_PAREN '('

◆ OP_LSH

const OP_LSH '<<'

Definition at line 113 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_LT

const OP_LT '<'

Definition at line 115 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_MINUS

const OP_MINUS '-'

Definition at line 123 of file jsminplus.php.

Referenced by JSParser\Expression(), JSTokenizer\get(), and JSMinPlus\parseTree().

◆ OP_MOD

const OP_MOD '%'

Definition at line 126 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_MUL

const OP_MUL '*'

Definition at line 124 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_NE

const OP_NE '!='

Definition at line 112 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_NOT

const OP_NOT '!'

Definition at line 127 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_OR

const OP_OR '||'

Definition at line 103 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_PLUS

const OP_PLUS '+'

Definition at line 122 of file jsminplus.php.

Referenced by JSParser\Expression(), JSTokenizer\get(), and JSMinPlus\parseTree().

◆ OP_RIGHT_BRACKET

const OP_RIGHT_BRACKET ']'

Definition at line 131 of file jsminplus.php.

Referenced by JSParser\Expression().

◆ OP_RIGHT_CURLY

const OP_RIGHT_CURLY '}'

◆ OP_RIGHT_PAREN

const OP_RIGHT_PAREN ')'

◆ OP_RSH

const OP_RSH '>>'

Definition at line 117 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_SEMICOLON

const OP_SEMICOLON ';'

Definition at line 99 of file jsminplus.php.

Referenced by JSParser\Expression(), JSMinPlus\parseTree(), and JSParser\Statement().

◆ OP_STRICT_EQ

const OP_STRICT_EQ '==='

Definition at line 108 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_STRICT_NE

const OP_STRICT_NE '!=='

Definition at line 111 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ OP_UNARY_MINUS

const OP_UNARY_MINUS 'U-'

Definition at line 139 of file jsminplus.php.

Referenced by JSParser\Expression(), JSTokenizer\get(), and JSMinPlus\parseTree().

◆ OP_UNARY_PLUS

const OP_UNARY_PLUS 'U+'

Definition at line 138 of file jsminplus.php.

Referenced by JSParser\Expression(), JSTokenizer\get(), and JSMinPlus\parseTree().

◆ OP_URSH

const OP_URSH '>>>'

Definition at line 116 of file jsminplus.php.

Referenced by JSParser\Expression(), and JSMinPlus\parseTree().

◆ STATEMENT_FORM

const STATEMENT_FORM 2

Definition at line 96 of file jsminplus.php.

Referenced by JSParser\Statement().

◆ TOKEN_CONDCOMMENT_END

const TOKEN_CONDCOMMENT_END 8

◆ TOKEN_CONDCOMMENT_START

const TOKEN_CONDCOMMENT_START 7

◆ TOKEN_END

const TOKEN_END 1

◆ TOKEN_IDENTIFIER

◆ TOKEN_NEWLINE

const TOKEN_NEWLINE 6

Definition at line 73 of file jsminplus.php.

Referenced by JSTokenizer\get(), JSTokenizer\peek(), and JSParser\Statement().

◆ TOKEN_NUMBER

const TOKEN_NUMBER 2

Definition at line 69 of file jsminplus.php.

Referenced by JSParser\Expression(), JSTokenizer\get(), and JSMinPlus\parseTree().

◆ TOKEN_REGEXP

const TOKEN_REGEXP 5

Definition at line 72 of file jsminplus.php.

Referenced by JSParser\Expression(), JSTokenizer\get(), and JSMinPlus\parseTree().

◆ TOKEN_STRING

const TOKEN_STRING 4

Definition at line 71 of file jsminplus.php.

Referenced by JSParser\Expression(), JSTokenizer\get(), and JSMinPlus\parseTree().