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Add Whiley Lexer (#628)

This is a fairly simple lexer for Whiley which covers the main things (e.g.
keywords, literals, etc).
This commit is contained in:
David Pearce 2022-04-22 19:16:30 +12:00 committed by GitHub
parent 44d1d23ddb
commit 073a30b897
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 742 additions and 0 deletions

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<lexer>
<config>
<name>Whiley</name>
<alias>whiley</alias>
<filename>*.whiley</filename>
<mime_type>text/x-whiley</mime_type>
</config>
<rules>
<state name="root">
<rule pattern="\n">
<token type="Text"/>
</rule>
<rule pattern="\s+">
<token type="Text"/>
</rule>
<rule pattern="\\\n">
<token type="Text"/>
</rule>
<rule pattern="/[*](.|\n)*?[*]/">
<token type="CommentMultiline"/>
</rule>
<rule pattern="//.*?\n">
<token type="CommentSingle"/>
</rule>
<rule pattern="(function|import|from|method|property|type|with|variant)\b">
<token type="KeywordDeclaration"/>
</rule>
<rule pattern="(assert|assume|all|break|case|continue|debug|default|do|else|ensures|export|fail|final|for|if|in|is|native|no|new|private|protected|public|return|requires|skip|some|switch|unsafe|where|while)\b">
<token type="Keyword"/>
</rule>
<rule pattern="(true|false|null)\b">
<token type="KeywordConstant"/>
</rule>
<rule pattern="(bool|byte|int|void)\b">
<token type="KeywordType"/>
</rule>
<rule pattern="0b(?:_?[01])+">
<token type="LiteralNumberBin"/>
</rule>
<rule pattern="0[xX][0-9a-fA-F]+">
<token type="LiteralNumberHex"/>
</rule>
<rule pattern="(0|[1-9][0-9]*)">
<token type="LiteralNumberInteger"/>
</rule>
<rule pattern="[a-zA-Z_]\w*">
<token type="Name"/>
</rule>
<rule pattern="[+%=&gt;&lt;|^!?/\-*&amp;~:]">
<token type="Operator"/>
</rule>
<rule pattern="[{}()\[\],.;\|]">
<token type="Punctuation"/>
</rule>
</state>
</rules>
</lexer>

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lexers/testdata/whiley.actual vendored Normal file
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import uint from std::integer
import uinteger from js::core
import random from js::math
import Document, Window, CanvasRenderingContext2D from w3c::dom
import Element,HTMLCanvasElement, HTMLImageElement, MouseEvent from w3c::dom
import model
import view
/**
* Add a given number of bombs to the board.
*/
method add_random_bombs(model::Board board, uint n) -> model::Board:
uinteger remaining = |board.squares|
// Use Knuth's algorithm S
for x in 0..board.width:
for y in 0..board.height:
// Flip a coin (so-to-speak)
if random(remaining) < n:
// create bomb square
model::Square s = model::HiddenSquare(true,false)
// Update board
board = model::set_square(board,(uint) x, (uint) y,s)
// Reduce number of bombs to place
n = n - 1
// Reduce remaining options
remaining = remaining - 1
// return updated board
return board
/**
* Handle a mouse event on the canvas
*/
method onclick_handler(MouseEvent e, &view::State state, Window window):
// Convert from view to world coordinates
uint x = e->offsetX / state->gridsize
uint y = e->offsetY / state->gridsize
// Update board
if e->shiftKey:
state->board = model::flag_square(state->board,x,y)
else:
state->board = model::expose_square(state->board,x,y)
// Render initial board
view::draw_board(*state)
// Finally determine game status
(bool gameOver, bool winner) = model::is_gameover(state->board)
// Check whether game over
if gameOver:
// Yes, but win or lose?
if winner:
window->alert("Well done --- You Found all the Mines!")
else:
window->alert("Game Over --- You Lost!")
// Done
/**
* Create a new game of Minesweeper
*/
public export method main(uint width, uint height, uint bombs, Window window, HTMLCanvasElement canvas, HTMLImageElement[] images)
// Requires at least 9 images
requires |images| == 13:
Document document = window->document
// NOTE: following should not be required!
Element c = document->getElementById("myCanvas")
// Create a standard sized board
model::Board board = model::Board(width,height)
// Add bombs
board = add_random_bombs(board,bombs)
// Initialise the view state
&view::State state = new view::init(document,canvas,board,images)
// Render initial board
view::draw_board(*state)
// Configure mouse click listener
c->addEventListener("click",&(MouseEvent e -> onclick_handler(e,state,window)))

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lexers/testdata/whiley.expected vendored Normal file
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[
{"type": "Text","value": "\n"},
{"type": "KeywordDeclaration","value": "import"},
{"type": "Text","value": " "},
{"type": "Name","value": "uint"},
{"type": "Text","value": " " },
{"type": "KeywordDeclaration","value": "from" },
{"type": "Text","value": " " },
{"type": "Name","value": "std" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "integer" },
{"type": "Text","value": "\n" },
{"type": "KeywordDeclaration","value": "import" },
{"type": "Text","value": " " },
{"type": "Name","value": "uinteger" },
{"type": "Text","value": " " },
{"type": "KeywordDeclaration","value": "from" },
{"type": "Text","value": " " },
{"type": "Name","value": "js" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "core" },
{"type": "Text","value": "\n" },
{"type": "KeywordDeclaration","value": "import" },
{"type": "Text","value": " " },
{"type": "Name","value": "random" },
{"type": "Text","value": " " },
{"type": "KeywordDeclaration","value": "from" },
{"type": "Text","value": " " },
{"type": "Name","value": "js" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "math" },
{"type": "Text","value": "\n" },
{"type": "KeywordDeclaration","value": "import" },
{"type": "Text","value": " " },
{"type": "Name","value": "Document" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "Window" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "CanvasRenderingContext2D" },
{"type": "Text","value": " " },
{"type": "KeywordDeclaration","value": "from" },
{"type": "Text","value": " " },
{"type": "Name","value": "w3c" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "dom" },
{"type": "Text","value": "\n" },
{"type": "KeywordDeclaration","value": "import" },
{"type": "Text","value": " " },
{"type": "Name","value": "Element" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "HTMLCanvasElement" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "HTMLImageElement" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "MouseEvent" },
{"type": "Text","value": " " },
{"type": "KeywordDeclaration","value": "from" },
{"type": "Text","value": " " },
{"type": "Name","value": "w3c" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "dom" },
{"type": "Text","value": "\n\n" },
{"type": "KeywordDeclaration","value": "import" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Text","value": "\n" },
{"type": "KeywordDeclaration","value": "import" },
{"type": "Text","value": " " },
{"type": "Name","value": "view" },
{"type": "Text","value": "\n\n" },
{"type": "CommentMultiline","value": "/**\n * Add a given number of bombs to the board.\n */" },
{"type": "Text","value": "\n" },
{"type": "KeywordDeclaration","value": "method" },
{"type": "Text","value": " " },
{"type": "Name","value": "add_random_bombs" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "Board" },
{"type": "Text","value": " " },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "uint" },
{"type": "Text","value": " " },
{"type": "Name","value": "n" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": " " },
{"type": "Operator","value": "->" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "Board" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "Name","value": "uinteger" },
{"type": "Text","value": " " },
{"type": "Name","value": "remaining" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Operator","value": "|" },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": "." },
{"type": "Name","value": "squares" },
{"type": "Operator","value": "|" },
{"type": "Text","value": " \n " },
{"type": "CommentSingle","value": "// Use Knuth's algorithm S\n" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "for" },
{"type": "Text","value": " " },
{"type": "Name","value": "x" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "in" },
{"type": "Text","value": " " },
{"type": "LiteralNumberInteger","value": "0" },
{"type": "Punctuation","value": ".." },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": "." },
{"type": "Name","value": "width" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "Keyword","value": "for" },
{"type": "Text","value": " " },
{"type": "Name","value": "y" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "in" },
{"type": "Text","value": " " },
{"type": "LiteralNumberInteger","value": "0" },
{"type": "Punctuation","value": ".." },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": "." },
{"type": "Name","value": "height" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Flip a coin (so-to-speak)\n" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "if" },
{"type": "Text","value": " " },
{"type": "Name","value": "random" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "remaining" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": " " },
{"type": "Operator","value": "<" },
{"type": "Text","value": " " },
{"type": "Name","value": "n" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// create bomb square\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "Square" },
{"type": "Text","value": " " },
{"type": "Name","value": "s" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "HiddenSquare" },
{"type": "Punctuation","value": "(" },
{"type": "KeywordConstant","value": "true" },
{"type": "Punctuation","value": "," },
{"type": "KeywordConstant","value": "false" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Update board\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "board" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "set_square" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": ",(" },
{"type": "Name","value": "uint" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": " " },
{"type": "Name","value": "x" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "uint" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": " " },
{"type": "Name","value": "y" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "s" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Reduce number of bombs to place\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "n" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "n" },
{"type": "Text","value": " " },
{"type": "Operator","value": "-" },
{"type": "Text","value": " " },
{"type": "LiteralNumberInteger","value": "1" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Reduce remaining options\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "remaining" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "remaining" },
{"type": "Text","value": " " },
{"type": "Operator","value": "-" },
{"type": "Text","value": " " },
{"type": "LiteralNumberInteger","value": "1" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// return updated board\n" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "return" },
{"type": "Text","value": " " },
{"type": "Name","value": "board" },
{"type": "Text","value": "\n\n" },
{"type": "CommentMultiline","value": "/**\n * Handle a mouse event on the canvas\n */" },
{"type": "Text","value": "\n" },
{"type": "KeywordDeclaration","value": "method" },
{"type": "Text","value": " " },
{"type": "Name","value": "onclick_handler" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "MouseEvent" },
{"type": "Text","value": " " },
{"type": "Name","value": "e" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Operator","value": "&" },
{"type": "Name","value": "view" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "State" },
{"type": "Text","value": " " },
{"type": "Name","value": "state" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "Window" },
{"type": "Text","value": " " },
{"type": "Name","value": "window" },
{"type": "Punctuation","value": ")" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Convert from view to world coordinates\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "uint" },
{"type": "Text","value": " " },
{"type": "Name","value": "x" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "e" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "offsetX" },
{"type": "Text","value": " " },
{"type": "Operator","value": "/" },
{"type": "Text","value": " " },
{"type": "Name","value": "state" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "gridsize" },
{"type": "Text","value": "\n " },
{"type": "Name","value": "uint" },
{"type": "Text","value": " " },
{"type": "Name","value": "y" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "e" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "offsetY" },
{"type": "Text","value": " " },
{"type": "Operator","value": "/" },
{"type": "Text","value": " " },
{"type": "Name","value": "state" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "gridsize" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Update board\n" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "if" },
{"type": "Text","value": " " },
{"type": "Name","value": "e" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "shiftKey" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "Name","value": "state" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "board" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "flag_square" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "state" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "x" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "y" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "Keyword","value": "else" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "Name","value": "state" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "board" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "expose_square" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "state" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "x" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "y" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Render initial board\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "view" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "draw_board" },
{"type": "Punctuation","value": "(" },
{"type": "Operator","value": "*" },
{"type": "Name","value": "state" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Finally determine game status\n" },
{"type": "Text","value": " " },
{"type": "Punctuation","value": "(" },
{"type": "KeywordType","value": "bool" },
{"type": "Text","value": " " },
{"type": "Name","value": "gameOver" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "KeywordType","value": "bool" },
{"type": "Text","value": " " },
{"type": "Name","value": "winner" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "is_gameover" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "state" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Check whether game over\n" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "if" },
{"type": "Text","value": " " },
{"type": "Name","value": "gameOver" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Yes, but win or lose?\n" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "if" },
{"type": "Text","value": " " },
{"type": "Name","value": "winner" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "Name","value": "window" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "alert" },
{"type": "Punctuation","value": "(" },
{"type": "Error","value": "\"" },
{"type": "Name","value": "Well" },
{"type": "Text","value": " " },
{"type": "Name","value": "done" },
{"type": "Text","value": " " },
{"type": "Operator","value": "---" },
{"type": "Text","value": " " },
{"type": "Name","value": "You" },
{"type": "Text","value": " " },
{"type": "Name","value": "Found" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "all" },
{"type": "Text","value": " " },
{"type": "Name","value": "the" },
{"type": "Text","value": " " },
{"type": "Name","value": "Mines" },
{"type": "Operator","value": "!" },
{"type": "Error","value": "\"" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "Keyword","value": "else" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "Name","value": "window" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "alert" },
{"type": "Punctuation","value": "(" },
{"type": "Error","value": "\"" },
{"type": "Name","value": "Game" },
{"type": "Text","value": " " },
{"type": "Name","value": "Over" },
{"type": "Text","value": " " },
{"type": "Operator","value": "---" },
{"type": "Text","value": " " },
{"type": "Name","value": "You" },
{"type": "Text","value": " " },
{"type": "Name","value": "Lost" },
{"type": "Operator","value": "!" },
{"type": "Error","value": "\"" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Done\n" },
{"type": "Text","value": "\n" },
{"type": "CommentMultiline","value": "/**\n * Create a new game of Minesweeper\n */" },
{"type": "Text","value": "\n" },
{"type": "Keyword","value": "public" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "export" },
{"type": "Text","value": " " },
{"type": "KeywordDeclaration","value": "method" },
{"type": "Text","value": " " },
{"type": "Name","value": "main" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "uint" },
{"type": "Text","value": " " },
{"type": "Name","value": "width" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "uint" },
{"type": "Text","value": " " },
{"type": "Name","value": "height" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "uint" },
{"type": "Text","value": " " },
{"type": "Name","value": "bombs" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "Window" },
{"type": "Text","value": " " },
{"type": "Name","value": "window" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "HTMLCanvasElement" },
{"type": "Text","value": " " },
{"type": "Name","value": "canvas" },
{"type": "Punctuation","value": "," },
{"type": "Text","value": " " },
{"type": "Name","value": "HTMLImageElement" },
{"type": "Punctuation","value": "[]" },
{"type": "Text","value": " " },
{"type": "Name","value": "images" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n" },
{"type": "CommentSingle","value": "// Requires at least 9 images\n" },
{"type": "Keyword","value": "requires" },
{"type": "Text","value": " " },
{"type": "Operator","value": "|" },
{"type": "Name","value": "images" },
{"type": "Operator","value": "|" },
{"type": "Text","value": " " },
{"type": "Operator","value": "==" },
{"type": "Text","value": " " },
{"type": "LiteralNumberInteger","value": "13" },
{"type": "Operator","value": ":" },
{"type": "Text","value": "\n " },
{"type": "Name","value": "Document" },
{"type": "Text","value": " " },
{"type": "Name","value": "document" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "window" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "document" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// NOTE: following should not be required!\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "Element" },
{"type": "Text","value": " " },
{"type": "Name","value": "c" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "document" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "getElementById" },
{"type": "Punctuation","value": "(" },
{"type": "Error","value": "\"" },
{"type": "Name","value": "myCanvas" },
{"type": "Error","value": "\"" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Create a standard sized board\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "Board" },
{"type": "Text","value": " " },
{"type": "Name","value": "board" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "model" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "Board" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "width" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "height" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Add bombs\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "board" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Name","value": "add_random_bombs" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "bombs" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Initialise the view state\n" },
{"type": "Text","value": " " },
{"type": "Operator","value": "&" },
{"type": "Name","value": "view" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "State" },
{"type": "Text","value": " " },
{"type": "Name","value": "state" },
{"type": "Text","value": " " },
{"type": "Operator","value": "=" },
{"type": "Text","value": " " },
{"type": "Keyword","value": "new" },
{"type": "Text","value": " " },
{"type": "Name","value": "view" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "init" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "document" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "canvas" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "board" },
{"type": "Punctuation","value": "," },
{"type": "Name","value": "images" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Render initial board\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "view" },
{"type": "Operator","value": "::" },
{"type": "Name","value": "draw_board" },
{"type": "Punctuation","value": "(" },
{"type": "Operator","value": "*" },
{"type": "Name","value": "state" },
{"type": "Punctuation","value": ")" },
{"type": "Text","value": "\n " },
{"type": "CommentSingle","value": "// Configure mouse click listener\n" },
{"type": "Text","value": " " },
{"type": "Name","value": "c" },
{"type": "Operator","value": "->" },
{"type": "Name","value": "addEventListener" },
{"type": "Punctuation","value": "(" },
{"type": "Error","value": "\"" },
{"type": "Name","value": "click" },
{"type": "Error","value": "\"" },
{"type": "Punctuation","value": "," },
{"type": "Operator","value": "&" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "MouseEvent" },
{"type": "Text","value": " " },
{"type": "Name","value": "e" },
{"type": "Text","value": " " },
{"type": "Operator","value": "->" },
{"type": "Text","value": " " },
{"type": "Name","value": "onclick_handler" },
{"type": "Punctuation","value": "(" },
{"type": "Name","value": "e"},
{"type": "Punctuation","value": ","},
{"type": "Name","value": "state"},
{"type": "Punctuation","value": ","},
{"type": "Name","value": "window"},
{"type": "Punctuation","value": ")))"},
{"type": "Text","value": "\n \n"}
]