Class: JavaScriptScanner

• Inheritance
• Class protocol
  • initialization
• Instance protocol
  • accessing
  • initialization
  • private
  • reading next token
• Examples

Inheritance:

   Object
   |
   +--Scanner
      |
      +--JavaScriptScanner
         |
         +--JavaScriptParser

Package:

stx:libjavascript

Category:

Languages-JavaScript-Compiling & Parsing

Version:

rev: 1.56 date: 2018/04/24 19:33:25

user: cg

file: JavaScriptScanner.st directory: libjavascript

module: stx stc-classLibrary: libjavascript

Class protocol:

 setupActions

initialize the scanners actionTables - these are used to dispatch
into scanner methods as characters are read

usage example(s):

JavaScriptScanner setupActions

Instance protocol:

 tokenType

 initialize

initialize the scanner

 checkForKeyword: string

check if string is a keyword (as opposed to an identifier).

 handleCategoryDirective: categoryString

called when encountering a /** category: xxxx **/ comment;
categoryString will be xxxx.
Can be redefined in subclasses

 handleCommentDirectivesIn: commentText

called for the text after the initial "/*"

 isCommentCharacter: ch

return true, if ch is the comment-start character

 hex2CharacterEscape

 hex4CharacterEscape

 nextCharacter

 nextMulti: list after: firstChar

a char has been read - peek ahead in list

 nextNumber

nextChar == (Character cr) ifTrue:[

 nextString

 nextStringOrCharacter: asCharacter

 nextToken

Verbose := true

 skipComment

* has already been read"

 skipEOLComment

/ has already been read"

Examples: