wasm-metering
Version:
injects metering into webassembly binaries
547 lines (500 loc) • 19 kB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.html = f()}})(function(){var define,module,exports;return (function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}return e})()({1:[function(require,module,exports){
var hyperx = require(6)
var appendChild = require(2)
var SVG_TAGS = require(4)
var BOOL_PROPS = require(3)
var SVGNS = 'http://www.w3.org/2000/svg'
var XLINKNS = 'http://www.w3.org/1999/xlink'
var COMMENT_TAG = '!--'
function nanoHtmlCreateElement (tag, props, children) {
var el
// If an svg tag, it needs a namespace
if (SVG_TAGS.indexOf(tag) !== -1) {
props.namespace = SVGNS
}
// If we are using a namespace
var ns = false
if (props.namespace) {
ns = props.namespace
delete props.namespace
}
// Create the element
if (ns) {
el = document.createElementNS(ns, tag)
} else if (tag === COMMENT_TAG) {
return document.createComment(props.comment)
} else {
el = document.createElement(tag)
}
// Create the properties
for (var p in props) {
if (props.hasOwnProperty(p)) {
var key = p.toLowerCase()
var val = props[p]
// Normalize className
if (key === 'classname') {
key = 'class'
p = 'class'
}
// The for attribute gets transformed to htmlFor, but we just set as for
if (p === 'htmlFor') {
p = 'for'
}
// If a property is boolean, set itself to the key
if (BOOL_PROPS.indexOf(key) !== -1) {
if (val === 'true') val = key
else if (val === 'false') continue
}
// If a property prefers being set directly vs setAttribute
if (key.slice(0, 2) === 'on') {
el[p] = val
} else {
if (ns) {
if (p === 'xlink:href') {
el.setAttributeNS(XLINKNS, p, val)
} else if (/^xmlns($|:)/i.test(p)) {
// skip xmlns definitions
} else {
el.setAttributeNS(null, p, val)
}
} else {
el.setAttribute(p, val)
}
}
}
}
appendChild(el, children)
return el
}
module.exports = hyperx(nanoHtmlCreateElement, {comments: true})
module.exports.default = module.exports
module.exports.createElement = nanoHtmlCreateElement
},{"2":2,"3":3,"4":4,"6":6}],2:[function(require,module,exports){
var trailingNewlineRegex = /\n[\s]+$/
var leadingNewlineRegex = /^\n[\s]+/
var trailingSpaceRegex = /[\s]+$/
var leadingSpaceRegex = /^[\s]+/
var multiSpaceRegex = /[\n\s]+/g
var TEXT_TAGS = [
'a', 'abbr', 'b', 'bdi', 'bdo', 'br', 'cite', 'data', 'dfn', 'em', 'i',
'kbd', 'mark', 'q', 'rp', 'rt', 'rtc', 'ruby', 's', 'amp', 'small', 'span',
'strong', 'sub', 'sup', 'time', 'u', 'var', 'wbr'
]
var VERBATIM_TAGS = [
'code', 'pre', 'textarea'
]
module.exports = function appendChild (el, childs) {
if (!Array.isArray(childs)) return
var nodeName = el.nodeName.toLowerCase()
var hadText = false
var value, leader
for (var i = 0, len = childs.length; i < len; i++) {
var node = childs[i]
if (Array.isArray(node)) {
appendChild(el, node)
continue
}
if (typeof node === 'number' ||
typeof node === 'boolean' ||
typeof node === 'function' ||
node instanceof Date ||
node instanceof RegExp) {
node = node.toString()
}
var lastChild = el.childNodes[el.childNodes.length - 1]
// Iterate over text nodes
if (typeof node === 'string') {
hadText = true
// If we already had text, append to the existing text
if (lastChild && lastChild.nodeName === '#text') {
lastChild.nodeValue += node
// We didn't have a text node yet, create one
} else {
node = document.createTextNode(node)
el.appendChild(node)
lastChild = node
}
// If this is the last of the child nodes, make sure we close it out
// right
if (i === len - 1) {
hadText = false
// Trim the child text nodes if the current node isn't a
// node where whitespace matters.
if (TEXT_TAGS.indexOf(nodeName) === -1 &&
VERBATIM_TAGS.indexOf(nodeName) === -1) {
value = lastChild.nodeValue
.replace(leadingNewlineRegex, '')
.replace(trailingSpaceRegex, '')
.replace(trailingNewlineRegex, '')
.replace(multiSpaceRegex, ' ')
if (value === '') {
el.removeChild(lastChild)
} else {
lastChild.nodeValue = value
}
} else if (VERBATIM_TAGS.indexOf(nodeName) === -1) {
// The very first node in the list should not have leading
// whitespace. Sibling text nodes should have whitespace if there
// was any.
leader = i === 0 ? '' : ' '
value = lastChild.nodeValue
.replace(leadingNewlineRegex, leader)
.replace(leadingSpaceRegex, ' ')
.replace(trailingSpaceRegex, '')
.replace(trailingNewlineRegex, '')
.replace(multiSpaceRegex, ' ')
lastChild.nodeValue = value
}
}
// Iterate over DOM nodes
} else if (node && node.nodeType) {
// If the last node was a text node, make sure it is properly closed out
if (hadText) {
hadText = false
// Trim the child text nodes if the current node isn't a
// text node or a code node
if (TEXT_TAGS.indexOf(nodeName) === -1 &&
VERBATIM_TAGS.indexOf(nodeName) === -1) {
value = lastChild.nodeValue
.replace(leadingNewlineRegex, '')
.replace(trailingNewlineRegex, '')
.replace(multiSpaceRegex, ' ')
// Remove empty text nodes, append otherwise
if (value === '') {
el.removeChild(lastChild)
} else {
lastChild.nodeValue = value
}
// Trim the child nodes if the current node is not a node
// where all whitespace must be preserved
} else if (VERBATIM_TAGS.indexOf(nodeName) === -1) {
value = lastChild.nodeValue
.replace(leadingSpaceRegex, ' ')
.replace(leadingNewlineRegex, '')
.replace(trailingNewlineRegex, '')
.replace(multiSpaceRegex, ' ')
lastChild.nodeValue = value
}
}
// Store the last nodename
var _nodeName = node.nodeName
if (_nodeName) nodeName = _nodeName.toLowerCase()
// Append the node to the DOM
el.appendChild(node)
}
}
}
},{}],3:[function(require,module,exports){
module.exports = [
'autofocus', 'checked', 'defaultchecked', 'disabled', 'formnovalidate',
'indeterminate', 'readonly', 'required', 'selected', 'willvalidate'
]
},{}],4:[function(require,module,exports){
module.exports = [
'svg', 'altGlyph', 'altGlyphDef', 'altGlyphItem', 'animate', 'animateColor',
'animateMotion', 'animateTransform', 'circle', 'clipPath', 'color-profile',
'cursor', 'defs', 'desc', 'ellipse', 'feBlend', 'feColorMatrix',
'feComponentTransfer', 'feComposite', 'feConvolveMatrix',
'feDiffuseLighting', 'feDisplacementMap', 'feDistantLight', 'feFlood',
'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR', 'feGaussianBlur', 'feImage',
'feMerge', 'feMergeNode', 'feMorphology', 'feOffset', 'fePointLight',
'feSpecularLighting', 'feSpotLight', 'feTile', 'feTurbulence', 'filter',
'font', 'font-face', 'font-face-format', 'font-face-name', 'font-face-src',
'font-face-uri', 'foreignObject', 'g', 'glyph', 'glyphRef', 'hkern', 'image',
'line', 'linearGradient', 'marker', 'mask', 'metadata', 'missing-glyph',
'mpath', 'path', 'pattern', 'polygon', 'polyline', 'radialGradient', 'rect',
'set', 'stop', 'switch', 'symbol', 'text', 'textPath', 'title', 'tref',
'tspan', 'use', 'view', 'vkern'
]
},{}],5:[function(require,module,exports){
module.exports = attributeToProperty
var transform = {
'class': 'className',
'for': 'htmlFor',
'http-equiv': 'httpEquiv'
}
function attributeToProperty (h) {
return function (tagName, attrs, children) {
for (var attr in attrs) {
if (attr in transform) {
attrs[transform[attr]] = attrs[attr]
delete attrs[attr]
}
}
return h(tagName, attrs, children)
}
}
},{}],6:[function(require,module,exports){
var attrToProp = require(5)
var VAR = 0, TEXT = 1, OPEN = 2, CLOSE = 3, ATTR = 4
var ATTR_KEY = 5, ATTR_KEY_W = 6
var ATTR_VALUE_W = 7, ATTR_VALUE = 8
var ATTR_VALUE_SQ = 9, ATTR_VALUE_DQ = 10
var ATTR_EQ = 11, ATTR_BREAK = 12
var COMMENT = 13
module.exports = function (h, opts) {
if (!opts) opts = {}
var concat = opts.concat || function (a, b) {
return String(a) + String(b)
}
if (opts.attrToProp !== false) {
h = attrToProp(h)
}
return function (strings) {
var state = TEXT, reg = ''
var arglen = arguments.length
var parts = []
for (var i = 0; i < strings.length; i++) {
if (i < arglen - 1) {
var arg = arguments[i+1]
var p = parse(strings[i])
var xstate = state
if (xstate === ATTR_VALUE_DQ) xstate = ATTR_VALUE
if (xstate === ATTR_VALUE_SQ) xstate = ATTR_VALUE
if (xstate === ATTR_VALUE_W) xstate = ATTR_VALUE
if (xstate === ATTR) xstate = ATTR_KEY
p.push([ VAR, xstate, arg ])
parts.push.apply(parts, p)
} else parts.push.apply(parts, parse(strings[i]))
}
var tree = [null,{},[]]
var stack = [[tree,-1]]
for (var i = 0; i < parts.length; i++) {
var cur = stack[stack.length-1][0]
var p = parts[i], s = p[0]
if (s === OPEN && /^\//.test(p[1])) {
var ix = stack[stack.length-1][1]
if (stack.length > 1) {
stack.pop()
stack[stack.length-1][0][2][ix] = h(
cur[0], cur[1], cur[2].length ? cur[2] : undefined
)
}
} else if (s === OPEN) {
var c = [p[1],{},[]]
cur[2].push(c)
stack.push([c,cur[2].length-1])
} else if (s === ATTR_KEY || (s === VAR && p[1] === ATTR_KEY)) {
var key = ''
var copyKey
for (; i < parts.length; i++) {
if (parts[i][0] === ATTR_KEY) {
key = concat(key, parts[i][1])
} else if (parts[i][0] === VAR && parts[i][1] === ATTR_KEY) {
if (typeof parts[i][2] === 'object' && !key) {
for (copyKey in parts[i][2]) {
if (parts[i][2].hasOwnProperty(copyKey) && !cur[1][copyKey]) {
cur[1][copyKey] = parts[i][2][copyKey]
}
}
} else {
key = concat(key, parts[i][2])
}
} else break
}
if (parts[i][0] === ATTR_EQ) i++
var j = i
for (; i < parts.length; i++) {
if (parts[i][0] === ATTR_VALUE || parts[i][0] === ATTR_KEY) {
if (!cur[1][key]) cur[1][key] = strfn(parts[i][1])
else parts[i][1]==="" || (cur[1][key] = concat(cur[1][key], parts[i][1]));
} else if (parts[i][0] === VAR
&& (parts[i][1] === ATTR_VALUE || parts[i][1] === ATTR_KEY)) {
if (!cur[1][key]) cur[1][key] = strfn(parts[i][2])
else parts[i][2]==="" || (cur[1][key] = concat(cur[1][key], parts[i][2]));
} else {
if (key.length && !cur[1][key] && i === j
&& (parts[i][0] === CLOSE || parts[i][0] === ATTR_BREAK)) {
// https://html.spec.whatwg.org/multipage/infrastructure.html#boolean-attributes
// empty string is falsy, not well behaved value in browser
cur[1][key] = key.toLowerCase()
}
if (parts[i][0] === CLOSE) {
i--
}
break
}
}
} else if (s === ATTR_KEY) {
cur[1][p[1]] = true
} else if (s === VAR && p[1] === ATTR_KEY) {
cur[1][p[2]] = true
} else if (s === CLOSE) {
if (selfClosing(cur[0]) && stack.length) {
var ix = stack[stack.length-1][1]
stack.pop()
stack[stack.length-1][0][2][ix] = h(
cur[0], cur[1], cur[2].length ? cur[2] : undefined
)
}
} else if (s === VAR && p[1] === TEXT) {
if (p[2] === undefined || p[2] === null) p[2] = ''
else if (!p[2]) p[2] = concat('', p[2])
if (Array.isArray(p[2][0])) {
cur[2].push.apply(cur[2], p[2])
} else {
cur[2].push(p[2])
}
} else if (s === TEXT) {
cur[2].push(p[1])
} else if (s === ATTR_EQ || s === ATTR_BREAK) {
// no-op
} else {
throw new Error('unhandled: ' + s)
}
}
if (tree[2].length > 1 && /^\s*$/.test(tree[2][0])) {
tree[2].shift()
}
if (tree[2].length > 2
|| (tree[2].length === 2 && /\S/.test(tree[2][1]))) {
throw new Error(
'multiple root elements must be wrapped in an enclosing tag'
)
}
if (Array.isArray(tree[2][0]) && typeof tree[2][0][0] === 'string'
&& Array.isArray(tree[2][0][2])) {
tree[2][0] = h(tree[2][0][0], tree[2][0][1], tree[2][0][2])
}
return tree[2][0]
function parse (str) {
var res = []
if (state === ATTR_VALUE_W) state = ATTR
for (var i = 0; i < str.length; i++) {
var c = str.charAt(i)
if (state === TEXT && c === '<') {
if (reg.length) res.push([TEXT, reg])
reg = ''
state = OPEN
} else if (c === '>' && !quot(state) && state !== COMMENT) {
if (state === OPEN) {
res.push([OPEN,reg])
} else if (state === ATTR_KEY) {
res.push([ATTR_KEY,reg])
} else if (state === ATTR_VALUE && reg.length) {
res.push([ATTR_VALUE,reg])
}
res.push([CLOSE])
reg = ''
state = TEXT
} else if (state === COMMENT && /-$/.test(reg) && c === '-') {
if (opts.comments) {
res.push([ATTR_VALUE,reg.substr(0, reg.length - 1)],[CLOSE])
}
reg = ''
state = TEXT
} else if (state === OPEN && /^!--$/.test(reg)) {
if (opts.comments) {
res.push([OPEN, reg],[ATTR_KEY,'comment'],[ATTR_EQ])
}
reg = c
state = COMMENT
} else if (state === TEXT || state === COMMENT) {
reg += c
} else if (state === OPEN && c === '/' && reg.length) {
// no-op, self closing tag without a space <br/>
} else if (state === OPEN && /\s/.test(c)) {
res.push([OPEN, reg])
reg = ''
state = ATTR
} else if (state === OPEN) {
reg += c
} else if (state === ATTR && /[^\s"'=/]/.test(c)) {
state = ATTR_KEY
reg = c
} else if (state === ATTR && /\s/.test(c)) {
if (reg.length) res.push([ATTR_KEY,reg])
res.push([ATTR_BREAK])
} else if (state === ATTR_KEY && /\s/.test(c)) {
res.push([ATTR_KEY,reg])
reg = ''
state = ATTR_KEY_W
} else if (state === ATTR_KEY && c === '=') {
res.push([ATTR_KEY,reg],[ATTR_EQ])
reg = ''
state = ATTR_VALUE_W
} else if (state === ATTR_KEY) {
reg += c
} else if ((state === ATTR_KEY_W || state === ATTR) && c === '=') {
res.push([ATTR_EQ])
state = ATTR_VALUE_W
} else if ((state === ATTR_KEY_W || state === ATTR) && !/\s/.test(c)) {
res.push([ATTR_BREAK])
if (/[\w-]/.test(c)) {
reg += c
state = ATTR_KEY
} else state = ATTR
} else if (state === ATTR_VALUE_W && c === '"') {
state = ATTR_VALUE_DQ
} else if (state === ATTR_VALUE_W && c === "'") {
state = ATTR_VALUE_SQ
} else if (state === ATTR_VALUE_DQ && c === '"') {
res.push([ATTR_VALUE,reg],[ATTR_BREAK])
reg = ''
state = ATTR
} else if (state === ATTR_VALUE_SQ && c === "'") {
res.push([ATTR_VALUE,reg],[ATTR_BREAK])
reg = ''
state = ATTR
} else if (state === ATTR_VALUE_W && !/\s/.test(c)) {
state = ATTR_VALUE
i--
} else if (state === ATTR_VALUE && /\s/.test(c)) {
res.push([ATTR_VALUE,reg],[ATTR_BREAK])
reg = ''
state = ATTR
} else if (state === ATTR_VALUE || state === ATTR_VALUE_SQ
|| state === ATTR_VALUE_DQ) {
reg += c
}
}
if (state === TEXT && reg.length) {
res.push([TEXT,reg])
reg = ''
} else if (state === ATTR_VALUE && reg.length) {
res.push([ATTR_VALUE,reg])
reg = ''
} else if (state === ATTR_VALUE_DQ && reg.length) {
res.push([ATTR_VALUE,reg])
reg = ''
} else if (state === ATTR_VALUE_SQ && reg.length) {
res.push([ATTR_VALUE,reg])
reg = ''
} else if (state === ATTR_KEY) {
res.push([ATTR_KEY,reg])
reg = ''
}
return res
}
}
function strfn (x) {
if (typeof x === 'function') return x
else if (typeof x === 'string') return x
else if (x && typeof x === 'object') return x
else return concat('', x)
}
}
function quot (state) {
return state === ATTR_VALUE_SQ || state === ATTR_VALUE_DQ
}
var hasOwn = Object.prototype.hasOwnProperty
function has (obj, key) { return hasOwn.call(obj, key) }
var closeRE = RegExp('^(' + [
'area', 'base', 'basefont', 'bgsound', 'br', 'col', 'command', 'embed',
'frame', 'hr', 'img', 'input', 'isindex', 'keygen', 'link', 'meta', 'param',
'source', 'track', 'wbr', '!--',
// SVG TAGS
'animate', 'animateTransform', 'circle', 'cursor', 'desc', 'ellipse',
'feBlend', 'feColorMatrix', 'feComposite',
'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap',
'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR',
'feGaussianBlur', 'feImage', 'feMergeNode', 'feMorphology',
'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile',
'feTurbulence', 'font-face-format', 'font-face-name', 'font-face-uri',
'glyph', 'glyphRef', 'hkern', 'image', 'line', 'missing-glyph', 'mpath',
'path', 'polygon', 'polyline', 'rect', 'set', 'stop', 'tref', 'use', 'view',
'vkern'
].join('|') + ')(?:[\.#][a-zA-Z0-9\u007F-\uFFFF_:-]+)*$')
function selfClosing (tag) { return closeRE.test(tag) }
},{"5":5}]},{},[1])(1)
});