mirror of
https://github.com/cappuccino/cappuccino.git
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1518 lines
55 KiB
JavaScript
1518 lines
55 KiB
JavaScript
/*
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* ObjJAcornCompiler.js
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* Objective-J
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*
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* Created by Martin Carlberg.
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* Copyright 2013, Martin Carlberg.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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var Scope = function(prev, base)
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{
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this.vars = Object.create(null);
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if (base) for (var key in base) this[key] = base[key];
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this.prev = prev;
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if (prev) this.compiler = prev.compiler;
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}
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Scope.prototype.compiler = function()
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{
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return this.compiler;
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}
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Scope.prototype.rootScope = function()
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{
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return this.prev ? this.prev.rootScope() : this;
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}
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Scope.prototype.isRootScope = function()
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{
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return !this.prev;
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}
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Scope.prototype.currentClassName = function()
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{
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return this.classDef ? this.classDef.className : this.prev ? this.prev.currentClassName() : null;
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}
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Scope.prototype.getIvarForCurrentClass = function(/* String */ ivarName)
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{
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if (this.ivars)
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{
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var ivar = this.ivars[ivarName];
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if (ivar)
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return ivar;
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}
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var prev = this.prev;
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// Stop at the class declaration
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if (prev && !this.classDef)
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return prev.getIvarForCurrentClass(ivarName);
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return null;
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}
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Scope.prototype.getLvar = function(/* String */ lvarName, /* BOOL */ stopAtMethod)
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{
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if (this.vars)
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{
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var lvar = this.vars[lvarName];
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if (lvar)
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return lvar;
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}
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var prev = this.prev;
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// Stop at the method declaration
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if (prev && (!stopAtMethod || !this.methodType))
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return prev.getLvar(lvarName, stopAtMethod);
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return null;
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}
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Scope.prototype.currentMethodType = function()
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{
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return this.methodType ? this.methodType : this.prev ? this.prev.currentMethodType() : null;
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}
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Scope.prototype.copyAddedSelfToIvarsToParent = function()
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{
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if (this.prev && this.addedSelfToIvars) for (var key in this.addedSelfToIvars)
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{
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var addedSelfToIvar = this.addedSelfToIvars[key],
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scopeAddedSelfToIvar = (this.prev.addedSelfToIvars || (this.prev.addedSelfToIvars = Object.create(null)))[key] || (this.prev.addedSelfToIvars[key] = []);
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scopeAddedSelfToIvar.push.apply(scopeAddedSelfToIvar, addedSelfToIvar); // Append at end in parent scope
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}
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}
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Scope.prototype.addMaybeWarning = function(warning)
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{
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var rootScope = this.rootScope();
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(rootScope._maybeWarnings || (rootScope._maybeWarnings = [])).push(warning);
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}
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Scope.prototype.maybeWarnings = function()
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{
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return this.rootScope()._maybeWarnings;
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}
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var GlobalVariableMaybeWarning = function(/* String */ aMessage, /* SpiderMonkey AST node */ node, /* String */ code)
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{
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this.message = createMessage(aMessage, node, code);
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this.node = node;
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}
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GlobalVariableMaybeWarning.prototype.checkIfWarning = function(/* Scope */ st)
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{
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var identifier = this.node.name;
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return !st.getLvar(identifier) && typeof global[identifier] === "undefined" && typeof window[identifier] === "undefined" && !st.compiler.getClassDef(identifier);
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}
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// This is for IE8 support. It doesn't have the Object.create function
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if (typeof Object.create !== 'function')
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{
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Object.create = function (o)
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{
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function F() {}
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F.prototype = o;
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return new F();
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};
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}
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var currentCompilerFlags = "";
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var reservedIdentifiers = exports.acorn.makePredicate("self _cmd undefined localStorage arguments");
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var wordPrefixOperators = exports.acorn.makePredicate("delete in instanceof new typeof void");
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var isLogicalBinary = exports.acorn.makePredicate("LogicalExpression BinaryExpression");
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var isInInstanceof = exports.acorn.makePredicate("in instanceof");
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var ObjJAcornCompiler = function(/*String*/ aString, /*CFURL*/ aURL, /*unsigned*/ flags, /*unsigned*/ pass, /* Dictionary */ classDefs)
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{
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this.source = aString;
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this.URL = new CFURL(aURL);
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this.pass = pass;
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this.jsBuffer = new StringBuffer();
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this.imBuffer = null;
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this.cmBuffer = null;
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this.warnings = [];
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try {
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this.tokens = exports.acorn.parse(aString);
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}
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catch (e) {
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if (e.lineStart)
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{
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var message = this.prettifyMessage(e, "ERROR");
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#ifdef BROWSER
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console.log(message);
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#else
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print(message);
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#endif
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}
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throw e;
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}
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this.dependencies = [];
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this.flags = flags | ObjJAcornCompiler.Flags.IncludeDebugSymbols;
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this.classDefs = classDefs ? classDefs : Object.create(null);
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this.lastPos = 0;
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if (currentCompilerFlags & ObjJAcornCompiler.Flags.Generate)
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this.generate = true;
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compile(this.tokens, new Scope(null ,{ compiler: this }), pass === 2 ? pass2 : pass1);
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}
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exports.ObjJAcornCompiler = ObjJAcornCompiler;
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exports.ObjJAcornCompiler.compileToExecutable = function(/*String*/ aString, /*CFURL*/ aURL, /*unsigned*/ flags)
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{
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ObjJAcornCompiler.currentCompileFile = aURL;
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return new ObjJAcornCompiler(aString, aURL, flags, 2).executable();
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}
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exports.ObjJAcornCompiler.compileToIMBuffer = function(/*String*/ aString, /*CFURL*/ aURL, /*unsigned*/ flags, classDefs)
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{
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return new ObjJAcornCompiler(aString, aURL, flags, 2, classDefs).IMBuffer();
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}
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exports.ObjJAcornCompiler.compileFileDependencies = function(/*String*/ aString, /*CFURL*/ aURL, /*unsigned*/ flags)
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{
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ObjJAcornCompiler.currentCompileFile = aURL;
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return new ObjJAcornCompiler(aString, aURL, flags, 1).executable();
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}
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ObjJAcornCompiler.prototype.compilePass2 = function()
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{
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ObjJAcornCompiler.currentCompileFile = this.URL;
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this.pass = 2;
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this.jsBuffer = new StringBuffer();
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this.warnings = [];
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compile(this.tokens, new Scope(null ,{ compiler: this }), pass2);
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for (var i = 0; i < this.warnings.length; i++)
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{
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var message = this.prettifyMessage(this.warnings[i], "WARNING");
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#ifdef BROWSER
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console.log(message);
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#else
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print(message);
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#endif
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}
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return this.jsBuffer.toString();
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}
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var currentCompilerFlags = "";
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exports.setCurrentCompilerFlags = function(/*String*/ compilerFlags)
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{
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currentCompilerFlags = compilerFlags;
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}
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exports.currentCompilerFlags = function(/*String*/ compilerFlags)
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{
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return currentCompilerFlags;
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}
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ObjJAcornCompiler.Flags = { };
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ObjJAcornCompiler.Flags.IncludeDebugSymbols = 1 << 0;
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ObjJAcornCompiler.Flags.IncludeTypeSignatures = 1 << 1;
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ObjJAcornCompiler.Flags.Generate = 1 << 2;
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ObjJAcornCompiler.prototype.addWarning = function(/* Warning */ aWarning)
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{
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this.warnings.push(aWarning);
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}
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ObjJAcornCompiler.prototype.getIvarForClass = function(/* String */ ivarName, /* Scope */ scope)
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{
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var ivar = scope.getIvarForCurrentClass(ivarName);
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if (ivar)
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return ivar;
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var c = this.getClassDef(scope.currentClassName());
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while (c)
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{
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var ivars = c.ivars;
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if (ivars)
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{
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var ivarDef = ivars[ivarName];
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if (ivarDef)
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return ivarDef;
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}
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c = this.getClassDef(c.superClassName);
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}
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}
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ObjJAcornCompiler.prototype.getClassDef = function(/* String */ aClassName)
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{
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if (!aClassName) return null;
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var c = this.classDefs[aClassName];
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if (c) return c;
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if (objj_getClass)
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{
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var aClass = objj_getClass(aClassName);
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if (aClass)
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{
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var ivars = class_copyIvarList(aClass),
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ivarSize = ivars.length,
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myIvars = Object.create(null),
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superClass = aClass.super_class;
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for (var i = 0; i < ivarSize; i++)
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{
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var ivar = ivars[i];
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myIvars[ivar.name] = {"type": ivar.type, "name": ivar.name};
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}
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c = {"className": aClassName, "ivars": myIvars};
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if (superClass)
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c.superClassName = superClass.name;
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this.classDefs[aClassName] = c;
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return c;
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}
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}
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return null;
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// classDef = {"className": className, "superClassName": superClassName, "ivars": Object.create(null), "methods": Object.create(null)};
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}
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ObjJAcornCompiler.prototype.executable = function()
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{
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if (!this._executable)
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this._executable = new Executable(this.jsBuffer ? this.jsBuffer.toString() : null, this.dependencies, this.URL, null, this);
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return this._executable;
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}
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ObjJAcornCompiler.prototype.IMBuffer = function()
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{
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return this.imBuffer;
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}
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ObjJAcornCompiler.prototype.JSBuffer = function()
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{
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return this.jsBuffer;
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}
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ObjJAcornCompiler.prototype.prettifyMessage = function(/* Message */ aMessage, /* String */ messageType)
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{
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var line = this.source.substring(aMessage.lineStart, aMessage.lineEnd),
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message = "\n" + line;
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message += (new Array(aMessage.column + 1)).join(" ");
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message += (new Array(Math.min(1, line.length) + 1)).join("^") + "\n";
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message += messageType + " line " + aMessage.line + " in " + this.URL + ": " + aMessage.message;
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return message;
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}
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ObjJAcornCompiler.prototype.error_message = function(errorMessage, node)
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{
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var pos = exports.acorn.getLineInfo(this.source, node.start),
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syntaxError = {message: errorMessage, line: pos.line, column: pos.column, lineStart: pos.lineStart, lineEnd: pos.lineEnd};
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return new SyntaxError(this.prettifyMessage(syntaxError, "ERROR"));
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}
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ObjJAcornCompiler.prototype.pushImport = function(url)
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{
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if (!ObjJAcornCompiler.importStack) ObjJAcornCompiler.importStack = []; // This is used to keep track of imports. Each time the compiler imports a file the url is pushed here.
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ObjJAcornCompiler.importStack.push(url);
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}
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ObjJAcornCompiler.prototype.popImport = function()
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{
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ObjJAcornCompiler.importStack.pop();
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}
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function createMessage(/* String */ aMessage, /* SpiderMonkey AST node */ node, /* String */ code)
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{
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var message = exports.acorn.getLineInfo(code, node.start);
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message.message = aMessage;
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return message;
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}
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function compile(node, state, visitor) {
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function c(node, st, override) {
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visitor[override || node.type](node, st, c);
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}
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c(node, state);
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};
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function isIdempotentExpression(node) {
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switch (node.type) {
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case "Literal":
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case "Identifier":
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return true;
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case "ArrayExpression":
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for (var i = 0; i < node.elements.length; ++i) {
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if (!isIdempotentExpression(node.elements[i]))
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return false;
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}
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return true;
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case "DictionaryLiteral":
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for (var i = 0; i < node.keys.length; ++i) {
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if (!isIdempotentExpression(node.keys[i]))
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return false;
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if (!isIdempotentExpression(node.values[i]))
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return false;
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}
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return true;
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case "ObjectExpression":
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for (var i = 0; i < node.properties.length; ++i)
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if (!isIdempotentExpression(node.properties[i].value))
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return false;
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return true;
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case "FunctionExpression":
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for (var i = 0; i < node.params.length; ++i)
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if (!isIdempotentExpression(node.params[i]))
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return false;
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return true;
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case "SequenceExpression":
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for (var i = 0; i < node.expressions.length; ++i)
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if (!isIdempotentExpression(node.expressions[i]))
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return false;
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return true;
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case "UnaryExpression":
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return isIdempotentExpression(node.argument);
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case "BinaryExpression":
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return isIdempotentExpression(node.left) && isIdempotentExpression(node.right);
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case "ConditionalExpression":
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return isIdempotentExpression(node.test) && isIdempotentExpression(node.consequent) && isIdempotentExpression(node.alternate);
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case "MemberExpression":
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return isIdempotentExpression(node.object) && (!node.computed || isIdempotentExpression(node.property));
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case "Dereference":
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return isIdempotentExpression(node.expr);
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case "Reference":
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return isIdempotentExpression(node.element);
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default:
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return false;
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}
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}
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// We do not allow dereferencing of expressions with side effects because we might need to evaluate the expression twice in certain uses of deref, which is not obvious when you look at the deref operator in plain code.
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function checkCanDereference(st, node) {
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if (!isIdempotentExpression(node))
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throw st.compiler.error_message("Dereference of expression with side effects", node);
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}
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// Surround expression with parentheses
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function surroundExpression(c) {
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return function(node, st, override) {
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CONCAT(st.compiler.jsBuffer, "(");
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c(node, st, override);
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CONCAT(st.compiler.jsBuffer, ")");
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}
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}
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var operatorPrecedence = {
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// MemberExpression
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// These two are never used as they are a MemberExpression with the attribute 'computed' which tells what operator it uses.
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//".": 0, "[]": 0,
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// NewExpression
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// This is never used.
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//"new": 1,
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// All these are UnaryExpression or UpdateExpression and never used.
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//"!": 2, "~": 2, "-": 2, "+": 2, "++": 2, "--": 2, "typeof": 2, "void": 2, "delete": 2,
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// BinaryExpression
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"*": 3, "/": 3, "%": 3,
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"+": 4, "-": 4,
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"<<": 5, ">>": 5, ">>>": 5,
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"<": 6, "<=": 6, ">": 6, ">=": 6, "in": 6, "instanceof": 6,
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"==": 7, "!=": 7, "===": 7, "!==": 7,
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"&": 8,
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"^": 9,
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"|": 10,
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// LogicalExpression
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"&&": 11,
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"||": 12
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// ConditionalExpression
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// AssignmentExpression
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}
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var expressionTypePrecedence = {
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MemberExpression: 0,
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CallExpression: 1,
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NewExpression: 2,
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FunctionExpression: 3,
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UnaryExpression: 4, UpdateExpression: 4,
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BinaryExpression: 5,
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LogicalExpression: 6,
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ConditionalExpression: 7,
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AssignmentExpression: 8
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}
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// Returns true if subNode has higher precedence the the root node.
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// If the subNode is the right (as in left/right) subNode
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function nodePrecedence(node, subNode, right) {
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var nodeType = node.type,
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nodePrecedence = expressionTypePrecedence[nodeType] || -1,
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subNodePrecedence = expressionTypePrecedence[subNode.type] || -1,
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nodeOperatorPrecedence,
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subNodeOperatorPrecedence;
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return nodePrecedence < subNodePrecedence || (nodePrecedence === subNodePrecedence && isLogicalBinary(nodeType) && ((nodeOperatorPrecedence = operatorPrecedence[node.operator]) < (subNodeOperatorPrecedence = operatorPrecedence[subNode.operator]) || (right && nodeOperatorPrecedence === subNodeOperatorPrecedence)));
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}
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var pass1 = exports.acorn.walk.make({
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ImportStatement: function(node, st, c) {
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var urlString = node.filename.value;
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st.compiler.dependencies.push(new FileDependency(new CFURL(urlString), node.localfilepath));
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}
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});
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var pass2 = exports.acorn.walk.make({
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Program: function(node, st, c) {
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var compiler = st.compiler,
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generate = compiler.generate;
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for (var i = 0; i < node.body.length; ++i) {
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c(node.body[i], st, "Statement");
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}
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if (!generate) CONCAT(compiler.jsBuffer,compiler.source.substring(compiler.lastPos, node.end));
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// Check maybe warnings
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var maybeWarnings = st.maybeWarnings();
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|
if (maybeWarnings) for (var i = 0; i < maybeWarnings.length; i++) {
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var maybeWarning = maybeWarnings[i];
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if (maybeWarning.checkIfWarning(st)) {
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compiler.addWarning(maybeWarning.message);
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}
|
|
}
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},
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|
BlockStatement: function(node, st, c) {
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var compiler = st.compiler,
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generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "{\n");
|
|
for (var i = 0; i < node.body.length; ++i) {
|
|
c(node.body[i], st, "Statement");
|
|
}
|
|
if (generate) CONCAT(compiler.jsBuffer, "}\n");
|
|
},
|
|
ExpressionStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
c(node.expression, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ";\n");
|
|
},
|
|
IfStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "if (");
|
|
c(node.test, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ") ");
|
|
c(node.consequent, st, "Statement");
|
|
if (node.alternate) {
|
|
if (generate) CONCAT(compiler.jsBuffer, "else ");
|
|
c(node.alternate, st, "Statement");
|
|
}
|
|
},
|
|
LabeledStatement: function(node, st, c) {
|
|
var compiler = st.compiler;
|
|
if (compiler.generate) {
|
|
CONCAT(compiler.jsBuffer, node.label.name);
|
|
CONCAT(compiler.jsBuffer, ": ");
|
|
}
|
|
c(node.body, st, "Statement");
|
|
},
|
|
BreakStatement: function(node, st, c) {
|
|
var compiler = st.compiler;
|
|
if (compiler.generate) {
|
|
if (node.label) {
|
|
CONCAT(compiler.jsBuffer, "break ");
|
|
CONCAT(compiler.jsBuffer, node.label.name);
|
|
CONCAT(compiler.jsBuffer, ";\n");
|
|
} else
|
|
CONCAT(compiler.jsBuffer, "break;\n");
|
|
}
|
|
},
|
|
ContinueStatement: function(node, st, c) {
|
|
var compiler = st.compiler;
|
|
if (compiler.generate) {
|
|
if (node.label) {
|
|
CONCAT(compiler.jsBuffer, "continue ");
|
|
CONCAT(compiler.jsBuffer, node.label.name);
|
|
CONCAT(compiler.jsBuffer, ";\n");
|
|
} else
|
|
CONCAT(compiler.jsBuffer, "continue;\n");
|
|
}
|
|
},
|
|
WithStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "with(");
|
|
c(node.object, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ") ");
|
|
c(node.body, st, "Statement");
|
|
},
|
|
SwitchStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "switch(");
|
|
c(node.discriminant, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ") {\n");
|
|
for (var i = 0; i < node.cases.length; ++i) {
|
|
var cs = node.cases[i];
|
|
if (cs.test) {
|
|
if (generate) CONCAT(compiler.jsBuffer, "case ");
|
|
c(cs.test, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ":\n");
|
|
} else
|
|
if (generate) CONCAT(compiler.jsBuffer, "default: ");
|
|
for (var j = 0; j < cs.consequent.length; ++j)
|
|
c(cs.consequent[j], st, "Statement");
|
|
}
|
|
if (generate) CONCAT(compiler.jsBuffer, "}\n");
|
|
},
|
|
ReturnStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "return");
|
|
if (node.argument) {
|
|
if (generate) CONCAT(compiler.jsBuffer, " ");
|
|
c(node.argument, st, "Expression");
|
|
}
|
|
if (generate) CONCAT(compiler.jsBuffer, ";\n");
|
|
},
|
|
ThrowStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "throw ");
|
|
c(node.argument, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ";\n");
|
|
},
|
|
TryStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "try");
|
|
c(node.block, st, "Statement");
|
|
for (var i = 0; i < node.handlers.length; ++i) {
|
|
var handler = node.handlers[i], inner = new Scope(st),
|
|
param = handler.param,
|
|
name = param.name;
|
|
inner.vars[name] = {type: "catch clause", node: param};
|
|
if (generate) CONCAT(compiler.jsBuffer, "catch(");
|
|
if (generate) CONCAT(compiler.jsBuffer, name);
|
|
if (generate) CONCAT(compiler.jsBuffer, ")");
|
|
c(handler.body, inner, "ScopeBody");
|
|
inner.copyAddedSelfToIvarsToParent();
|
|
}
|
|
if (node.finalizer) {
|
|
if (generate) CONCAT(compiler.jsBuffer, "finally");
|
|
c(node.finalizer, st, "Statement");
|
|
}
|
|
},
|
|
WhileStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "while(");
|
|
c(node.test, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ")");
|
|
c(node.body, st, "Statement");
|
|
},
|
|
DoWhileStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "do ");
|
|
c(node.body, st, "Statement");
|
|
if (generate) CONCAT(compiler.jsBuffer, "while(");
|
|
c(node.test, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ");\n");
|
|
},
|
|
ForStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "for(");
|
|
if (node.init) c(node.init, st, "ForInit");
|
|
if (generate) CONCAT(compiler.jsBuffer, "; ");
|
|
if (node.test) c(node.test, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, "; ");
|
|
if (node.update) c(node.update, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ") ");
|
|
c(node.body, st, "Statement");
|
|
},
|
|
ForInStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "for(");
|
|
c(node.left, st, "ForInit");
|
|
if (generate) CONCAT(compiler.jsBuffer, " in ");
|
|
c(node.right, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, ") ");
|
|
c(node.body, st, "Statement");
|
|
},
|
|
ForInit: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (node.type === "VariableDeclaration") {
|
|
st.isFor = true;
|
|
c(node, st);
|
|
delete st.isFor;
|
|
} else
|
|
c(node, st, "Expression");
|
|
},
|
|
DebuggerStatement: function(node, st, c) {
|
|
var compiler = st.compiler;
|
|
if (compiler.generate) CONCAT(compiler.jsBuffer, "debugger;\n");
|
|
},
|
|
Function: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate,
|
|
inner = new Scope(st);
|
|
for (var i = 0; i < node.params.length; ++i)
|
|
inner.vars[node.params[i].name] = {type: "argument", node: node.params[i]};
|
|
if (node.id) {
|
|
var decl = node.type == "FunctionDeclaration";
|
|
(decl ? st : inner).vars[node.id.name] =
|
|
{type: decl ? "function" : "function name", node: node.id};
|
|
if (generate) {
|
|
CONCAT(compiler.jsBuffer, node.id.name);
|
|
CONCAT(compiler.jsBuffer, " = ");
|
|
} else {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
CONCAT(compiler.jsBuffer, node.id.name);
|
|
CONCAT(compiler.jsBuffer, " = function");
|
|
compiler.lastPos = node.id.end;
|
|
}
|
|
}
|
|
if (generate) {
|
|
CONCAT(compiler.jsBuffer, "function(");
|
|
for (var i = 0; i < node.params.length; ++i) {
|
|
if (i)
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
CONCAT(compiler.jsBuffer, node.params[i].name);
|
|
}
|
|
CONCAT(compiler.jsBuffer, ")");
|
|
}
|
|
c(node.body, inner, "ScopeBody");
|
|
inner.copyAddedSelfToIvarsToParent();
|
|
},
|
|
VariableDeclaration: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "var ");
|
|
for (var i = 0; i < node.declarations.length; ++i) {
|
|
var decl = node.declarations[i],
|
|
identifier = decl.id.name;
|
|
if (i !== 0)
|
|
if (generate) CONCAT(compiler.jsBuffer, ", ");
|
|
st.vars[identifier] = {type: "var", node: decl.id};
|
|
if (generate) CONCAT(compiler.jsBuffer, identifier);
|
|
if (decl.init) {
|
|
if (generate) CONCAT(compiler.jsBuffer, " = ");
|
|
c(decl.init, st, "Expression");
|
|
}
|
|
// FIXME: Extract to function
|
|
if (st.addedSelfToIvars) {
|
|
var addedSelfToIvar = st.addedSelfToIvars[identifier];
|
|
if (addedSelfToIvar) {
|
|
var buffer = st.compiler.jsBuffer.atoms;
|
|
for (var i = 0; i < addedSelfToIvar.length; i++) {
|
|
var dict = addedSelfToIvar[i];
|
|
buffer[dict.index] = "";
|
|
compiler.addWarning(createMessage("Local declaration of '" + identifier + "' hides instance variable", dict.node, compiler.source));
|
|
}
|
|
st.addedSelfToIvars[identifier] = [];
|
|
}
|
|
}
|
|
}
|
|
if (generate && !st.isFor) CONCAT(compiler.jsBuffer, ";\n"); // Don't add ';' if this is a for statement but do it if this is a statement
|
|
},
|
|
ThisExpression: function(node, st, c) {
|
|
var compiler = st.compiler;
|
|
if (compiler.generate) CONCAT(compiler.jsBuffer, "this");
|
|
},
|
|
ArrayExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "[");
|
|
for (var i = 0; i < node.elements.length; ++i) {
|
|
var elt = node.elements[i];
|
|
if (i !== 0)
|
|
if (generate) CONCAT(compiler.jsBuffer, ", ");
|
|
|
|
if (elt) c(elt, st, "Expression");
|
|
}
|
|
if (generate) CONCAT(compiler.jsBuffer, "]");
|
|
},
|
|
ObjectExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "{");
|
|
for (var i = 0; i < node.properties.length; ++i)
|
|
{
|
|
var prop = node.properties[i];
|
|
if (generate) {
|
|
if (i)
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
st.isPropertyKey = true;
|
|
c(prop.key, st, "Expression");
|
|
delete st.isPropertyKey;
|
|
CONCAT(compiler.jsBuffer, ": ");
|
|
} else if (prop.key.raw && prop.key.raw.charAt(0) === "@") {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, prop.key.start));
|
|
compiler.lastPos = prop.key.start + 1;
|
|
}
|
|
|
|
c(prop.value, st, "Expression");
|
|
}
|
|
if (generate) CONCAT(compiler.jsBuffer, "}");
|
|
},
|
|
SequenceExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "(");
|
|
for (var i = 0; i < node.expressions.length; ++i) {
|
|
if (generate && i !== 0)
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
c(node.expressions[i], st, "Expression");
|
|
}
|
|
if (generate) CONCAT(compiler.jsBuffer, ")");
|
|
},
|
|
UnaryExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate,
|
|
argument = node.argument;
|
|
if (generate) {
|
|
if (node.prefix) {
|
|
CONCAT(compiler.jsBuffer, node.operator);
|
|
if (wordPrefixOperators(node.operator))
|
|
CONCAT(compiler.jsBuffer, " ");
|
|
(nodePrecedence(node, argument) ? surroundExpression(c) : c)(argument, st, "Expression");
|
|
} else {
|
|
(nodePrecedence(node, argument) ? surroundExpression(c) : c)(argument, st, "Expression");
|
|
CONCAT(compiler.jsBuffer, node.operator);
|
|
}
|
|
} else {
|
|
c(argument, st, "Expression");
|
|
}
|
|
},
|
|
UpdateExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (node.argument.type === "Dereference") {
|
|
checkCanDereference(st, node.argument);
|
|
|
|
// @deref(x)++ and ++@deref(x) require special handling.
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
|
|
// Output the dereference function, "(...)(z)"
|
|
CONCAT(compiler.jsBuffer, (node.prefix ? "" : "(") + "(");
|
|
|
|
// The thing being dereferenced.
|
|
if (!generate) compiler.lastPos = node.argument.expr.start;
|
|
c(node.argument.expr, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.argument.expr.end));
|
|
CONCAT(compiler.jsBuffer, ")(");
|
|
|
|
if (!generate) compiler.lastPos = node.argument.start;
|
|
c(node.argument, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.argument.end));
|
|
CONCAT(compiler.jsBuffer, " " + node.operator.substring(0, 1) + " 1)" + (node.prefix ? "" : node.operator == '++' ? " - 1)" : " + 1)"));
|
|
|
|
if (!generate) compiler.lastPos = node.end;
|
|
return;
|
|
}
|
|
|
|
if (node.prefix) {
|
|
if (generate) {
|
|
CONCAT(compiler.jsBuffer, node.operator);
|
|
if (wordPrefixOperators(node.operator))
|
|
CONCAT(compiler.jsBuffer, " ");
|
|
}
|
|
(generate && nodePrecedence(node, node.argument) ? surroundExpression(c) : c)(node.argument, st, "Expression");
|
|
} else {
|
|
(generate && nodePrecedence(node, node.argument) ? surroundExpression(c) : c)(node.argument, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, node.operator);
|
|
}
|
|
},
|
|
BinaryExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate,
|
|
operatorType = isInInstanceof(node.operator);
|
|
(generate && nodePrecedence(node, node.left) ? surroundExpression(c) : c)(node.left, st, "Expression");
|
|
if (operatorType) CONCAT(compiler.jsBuffer, " ");
|
|
if (generate) CONCAT(compiler.jsBuffer, node.operator);
|
|
if (operatorType) CONCAT(compiler.jsBuffer, " ");
|
|
(generate && nodePrecedence(node, node.right, true) ? surroundExpression(c) : c)(node.right, st, "Expression");
|
|
},
|
|
LogicalExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
(generate && nodePrecedence(node, node.left) ? surroundExpression(c) : c)(node.left, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, node.operator);
|
|
(generate && nodePrecedence(node, node.right, true) ? surroundExpression(c) : c)(node.right, st, "Expression");
|
|
},
|
|
AssignmentExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate,
|
|
saveAssignment = st.assignment;
|
|
|
|
if (node.left.type === "Dereference") {
|
|
checkCanDereference(st, node.left);
|
|
|
|
// @deref(x) = z -> x(z) etc
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
|
|
// Output the dereference function, "(...)(z)"
|
|
CONCAT(compiler.jsBuffer, "(");
|
|
// What's being dereferenced could itself be an expression, such as when dereferencing a deref.
|
|
if (!generate) compiler.lastPos = node.left.expr.start;
|
|
c(node.left.expr, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.left.expr.end));
|
|
CONCAT(compiler.jsBuffer, ")(");
|
|
|
|
// Now "(x)(...)". We have to manually expand +=, -=, *= etc.
|
|
if (node.operator !== "=") {
|
|
// Output the whole .left, not just .left.expr.
|
|
if (!generate) compiler.lastPos = node.left.start;
|
|
c(node.left, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.left.end));
|
|
CONCAT(compiler.jsBuffer, " " + node.operator.substring(0, 1) + " ");
|
|
}
|
|
|
|
if (!generate) compiler.lastPos = node.right.start;
|
|
c(node.right, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.right.end));
|
|
CONCAT(compiler.jsBuffer, ")");
|
|
|
|
if (!generate) compiler.lastPos = node.end;
|
|
|
|
return;
|
|
}
|
|
|
|
var saveAssignment = st.assignment;
|
|
st.assignment = true;
|
|
(generate && nodePrecedence(node, node.left) ? surroundExpression(c) : c)(node.left, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, node.operator);
|
|
st.assignment = saveAssignment;
|
|
(generate && nodePrecedence(node, node.right, true) ? surroundExpression(c) : c)(node.right, st, "Expression");
|
|
if (st.isRootScope() && node.left.type === "Identifier" && !st.getLvar(node.left.name))
|
|
st.vars[node.left.name] = {type: "global", node: node.left};
|
|
},
|
|
ConditionalExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
(generate && nodePrecedence(node, node.test) ? surroundExpression(c) : c)(node.test, st, "Expression");
|
|
if (generate)
|
|
CONCAT(compiler.jsBuffer, " ? ");
|
|
c(node.consequent, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, " : ");
|
|
c(node.alternate, st, "Expression");
|
|
},
|
|
NewExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) CONCAT(compiler.jsBuffer, "new ");
|
|
(generate && nodePrecedence(node, node.callee) ? surroundExpression(c) : c)(node.callee, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, "(");
|
|
if (node.arguments) {
|
|
for (var i = 0; i < node.arguments.length; ++i) {
|
|
if (generate && i)
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
c(node.arguments[i], st, "Expression");
|
|
}
|
|
}
|
|
if (generate) CONCAT(compiler.jsBuffer, ")");
|
|
},
|
|
CallExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
(generate && nodePrecedence(node, node.callee) ? surroundExpression(c) : c)(node.callee, st, "Expression");
|
|
if (generate) CONCAT(compiler.jsBuffer, "(");
|
|
if (node.arguments) {
|
|
for (var i = 0; i < node.arguments.length; ++i) {
|
|
if (generate && i)
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
c(node.arguments[i], st, "Expression");
|
|
}
|
|
}
|
|
if (generate) CONCAT(compiler.jsBuffer, ")");
|
|
},
|
|
MemberExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate,
|
|
computed = node.computed;
|
|
(generate && nodePrecedence(node, node.object) ? surroundExpression(c) : c)(node.object, st, "Expression");
|
|
if (generate) {
|
|
if (computed)
|
|
CONCAT(compiler.jsBuffer, "[");
|
|
else
|
|
CONCAT(compiler.jsBuffer, ".");
|
|
}
|
|
st.secondMemberExpression = !computed;
|
|
// No parentheses when it is computed, '[' amd ']' are the same thing.
|
|
(generate && !computed && nodePrecedence(node, node.property) ? surroundExpression(c) : c)(node.property, st, "Expression");
|
|
st.secondMemberExpression = false;
|
|
if (generate && computed)
|
|
CONCAT(compiler.jsBuffer, "]");
|
|
},
|
|
Identifier: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate,
|
|
identifier = node.name;
|
|
if (st.currentMethodType() === "-" && !st.secondMemberExpression && !st.isPropertyKey)
|
|
{
|
|
var lvar = st.getLvar(identifier, true), // Only look inside method
|
|
ivar = compiler.getIvarForClass(identifier, st);
|
|
|
|
if (ivar)
|
|
{
|
|
if (lvar)
|
|
compiler.addWarning(createMessage("Local declaration of '" + identifier + "' hides instance variable", node, compiler.source));
|
|
else
|
|
{
|
|
var nodeStart = node.start;
|
|
|
|
if (!generate) do { // The Spider Monkey AST tree includes any parentheses in start and end properties so we have to make sure we skip those
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, nodeStart));
|
|
compiler.lastPos = nodeStart;
|
|
} while (compiler.source.substr(nodeStart++, 1) === "(")
|
|
// Save the index in where the "self." string is stored and the node.
|
|
// These will be used if we find a variable declaration that is hoisting this identifier.
|
|
((st.addedSelfToIvars || (st.addedSelfToIvars = Object.create(null)))[identifier] || (st.addedSelfToIvars[identifier] = [])).push({node: node, index: compiler.jsBuffer.atoms.length});
|
|
CONCAT(compiler.jsBuffer, "self.");
|
|
}
|
|
} else if (!reservedIdentifiers(identifier)) { // Don't check for warnings if it is a reserved word like self, localStorage, _cmd, etc...
|
|
var message,
|
|
classOrGlobal = typeof global[identifier] !== "undefined" || typeof window[identifier] !== "undefined" || compiler.getClassDef(identifier),
|
|
globalVar = st.getLvar(identifier);
|
|
if (classOrGlobal && (!globalVar || globalVar.type !== "class")) { // It can't be declared with a @class statement.
|
|
/* Turned off this warning as there are many many warnings when compiling the Cappuccino frameworks - Martin
|
|
if (lvar) {
|
|
message = compiler.addWarning(createMessage("Local declaration of '" + identifier + "' hides global variable", node, compiler.source));
|
|
}*/
|
|
} else if (!globalVar) {
|
|
if (st.assignment) {
|
|
message = new GlobalVariableMaybeWarning("Creating global variable inside function or method '" + identifier + "'", node, compiler.source);
|
|
// Turn off these warnings for this identifier, we only want one.
|
|
st.vars[identifier] = {type: "remove global warning", node: node};
|
|
} else {
|
|
message = new GlobalVariableMaybeWarning("Using unknown class or uninitialized global variable '" + identifier + "'", node, compiler.source);
|
|
}
|
|
}
|
|
if (message)
|
|
st.addMaybeWarning(message);
|
|
}
|
|
}
|
|
if (generate) CONCAT(compiler.jsBuffer, identifier);
|
|
},
|
|
Literal: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (generate) {
|
|
if (node.raw && node.raw.charAt(0) === "@")
|
|
CONCAT(compiler.jsBuffer, node.raw.substring(1));
|
|
else
|
|
CONCAT(compiler.jsBuffer, node.raw);
|
|
} else if (node.raw.charAt(0) === "@") {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
compiler.lastPos = node.start + 1;
|
|
}
|
|
},
|
|
ArrayLiteral: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (!generate) {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
compiler.lastPos = node.start;
|
|
}
|
|
|
|
if (!node.elements.length) {
|
|
CONCAT(compiler.jsBuffer, " objj_msgSend(objj_msgSend(CPArray, \"alloc\"), \"init\")");
|
|
} else {
|
|
CONCAT(compiler.jsBuffer, " objj_msgSend(objj_msgSend(CPArray, \"alloc\"), \"initWithObjects:count:\", [");
|
|
for (var i = 0; i < node.elements.length; i++) {
|
|
var elt = node.elements[i];
|
|
|
|
if (i)
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
|
|
if (!generate) compiler.lastPos = elt.start;
|
|
c(elt, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, elt.end));
|
|
}
|
|
CONCAT(compiler.jsBuffer, "], " + node.elements.length + ")");
|
|
}
|
|
|
|
if (!generate) compiler.lastPos = node.end;
|
|
},
|
|
DictionaryLiteral: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (!generate) {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
compiler.lastPos = node.start;
|
|
}
|
|
|
|
if (!node.keys.length) {
|
|
CONCAT(compiler.jsBuffer, " objj_msgSend(objj_msgSend(CPDictionary, \"alloc\"), \"init\")");
|
|
} else {
|
|
CONCAT(compiler.jsBuffer, " objj_msgSend(objj_msgSend(CPDictionary, \"alloc\"), \"initWithObjectsAndKeys:\"");
|
|
for (var i = 0; i < node.keys.length; i++) {
|
|
var key = node.keys[i],
|
|
value = node.values[i];
|
|
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
|
|
if (!generate) compiler.lastPos = value.start;
|
|
c(value, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, value.end));
|
|
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
|
|
if (!generate) compiler.lastPos = key.start;
|
|
c(key, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, key.end));
|
|
}
|
|
CONCAT(compiler.jsBuffer, ")");
|
|
}
|
|
|
|
if (!generate) compiler.lastPos = node.end;
|
|
},
|
|
ImportStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate,
|
|
buffer = compiler.jsBuffer;
|
|
|
|
if (!generate) CONCAT(buffer,compiler.source.substring(compiler.lastPos, node.start));
|
|
CONCAT(buffer, "objj_executeFile(\"");
|
|
CONCAT(buffer, node.filename.value);
|
|
CONCAT(buffer, node.localfilepath ? "\", YES);" : "\", NO);");
|
|
if (!generate) compiler.lastPos = node.end;
|
|
},
|
|
ClassDeclarationStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate,
|
|
classDef,
|
|
saveJSBuffer = compiler.jsBuffer,
|
|
className = node.classname.name,
|
|
classScope = new Scope(st);
|
|
|
|
compiler.imBuffer = new StringBuffer();
|
|
compiler.cmBuffer = new StringBuffer();
|
|
compiler.classBodyBuffer = new StringBuffer(); // TODO: Check if this is needed
|
|
|
|
if (!generate) CONCAT(saveJSBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
|
|
// First we declare the class
|
|
if (node.superclassname)
|
|
{
|
|
classDef = compiler.getClassDef(className);
|
|
if (classDef && classDef.ivars) // Must have ivars dictionary to be a real declaration. Without it is a "@class" declaration
|
|
throw compiler.error_message("Duplicate class " + className, node.classname);
|
|
if (!compiler.getClassDef(node.superclassname.name))
|
|
{
|
|
var errorMessage = "Can't find superclass " + node.superclassname.name;
|
|
for (var i = ObjJAcornCompiler.importStack.length; --i >= 0;)
|
|
errorMessage += "\n" + Array((ObjJAcornCompiler.importStack.length - i) * 2 + 1).join(" ") + "Imported by: " + ObjJAcornCompiler.importStack[i];
|
|
throw compiler.error_message(errorMessage, node.superclassname);
|
|
}
|
|
|
|
classDef = {"className": className, "superClassName": node.superclassname.name, "ivars": Object.create(null), "methods": Object.create(null)};
|
|
|
|
CONCAT(saveJSBuffer, "{var the_class = objj_allocateClassPair(" + node.superclassname.name + ", \"" + className + "\"),\nmeta_class = the_class.isa;");
|
|
}
|
|
else if (node.categoryname)
|
|
{
|
|
classDef = compiler.getClassDef(className);
|
|
if (!classDef)
|
|
throw compiler.error_message("Class " + className + " not found ", node.classname);
|
|
|
|
CONCAT(saveJSBuffer, "{\nvar the_class = objj_getClass(\"" + className + "\")\n");
|
|
CONCAT(saveJSBuffer, "if(!the_class) throw new SyntaxError(\"*** Could not find definition for class \\\"" + className + "\\\"\");\n");
|
|
CONCAT(saveJSBuffer, "var meta_class = the_class.isa;");
|
|
}
|
|
else
|
|
{
|
|
classDef = {"className": className, "superClassName": null, "ivars": Object.create(null), "methods": Object.create(null)};
|
|
|
|
CONCAT(saveJSBuffer, "{var the_class = objj_allocateClassPair(Nil, \"" + className + "\"),\nmeta_class = the_class.isa;");
|
|
}
|
|
|
|
classScope.classDef = classDef;
|
|
compiler.currentSuperClass = "objj_getClass(\"" + className + "\").super_class";
|
|
compiler.currentSuperMetaClass = "objj_getMetaClass(\"" + className + "\").super_class";
|
|
|
|
var firstIvarDeclaration = true,
|
|
hasAccessors = false;
|
|
|
|
// Then we add all ivars
|
|
if (node.ivardeclarations) for (var i = 0; i < node.ivardeclarations.length; ++i)
|
|
{
|
|
var ivarDecl = node.ivardeclarations[i],
|
|
ivarType = ivarDecl.ivartype ? ivarDecl.ivartype.name : null,
|
|
ivarName = ivarDecl.id.name,
|
|
ivar = {"type": ivarType, "name": ivarName};
|
|
|
|
if (firstIvarDeclaration)
|
|
{
|
|
firstIvarDeclaration = false;
|
|
CONCAT(saveJSBuffer, "class_addIvars(the_class, [");
|
|
}
|
|
else
|
|
CONCAT(saveJSBuffer, ", ");
|
|
|
|
if (compiler.flags & ObjJAcornCompiler.Flags.IncludeTypeSignatures)
|
|
CONCAT(saveJSBuffer, "new objj_ivar(\"" + ivarName + "\", \"" + ivarType + "\")");
|
|
else
|
|
CONCAT(saveJSBuffer, "new objj_ivar(\"" + ivarName + "\")");
|
|
|
|
if (ivarDecl.outlet)
|
|
ivar.outlet = true;
|
|
classDef.ivars[ivarName] = ivar;
|
|
if (!classScope.ivars)
|
|
classScope.ivars = Object.create(null);
|
|
classScope.ivars[ivarName] = {type: "ivar", name: ivarName, node: ivarDecl.id, ivar: ivar};
|
|
|
|
if (!hasAccessors && ivarDecl.accessors)
|
|
hasAccessors = true;
|
|
}
|
|
|
|
if (!firstIvarDeclaration)
|
|
CONCAT(saveJSBuffer, "]);");
|
|
|
|
// If we have accessors add get and set methods for them
|
|
if (hasAccessors)
|
|
{
|
|
var getterSetterBuffer = new StringBuffer();
|
|
|
|
// Add the class declaration to compile accessors correctly
|
|
CONCAT(getterSetterBuffer, compiler.source.substring(node.start, node.endOfIvars));
|
|
CONCAT(getterSetterBuffer, "\n");
|
|
|
|
for (var i = 0; i < node.ivardeclarations.length; ++i)
|
|
{
|
|
var ivarDecl = node.ivardeclarations[i],
|
|
ivarType = ivarDecl.ivartype ? ivarDecl.ivartype.name : null,
|
|
ivarName = ivarDecl.id.name,
|
|
accessors = ivarDecl.accessors;
|
|
|
|
if (!accessors)
|
|
continue;
|
|
|
|
var property = (accessors.property && accessors.property.name) || ivarName,
|
|
getterName = (accessors.getter && accessors.getter.name) || property,
|
|
getterCode = "- (" + (ivarType ? ivarType : "id") + ")" + getterName + "\n{\nreturn " + ivarName + ";\n}\n";
|
|
|
|
CONCAT(getterSetterBuffer, getterCode);
|
|
|
|
if (accessors.readonly)
|
|
continue;
|
|
|
|
var setterName = accessors.setter ? accessors.setter.name : null;
|
|
|
|
if (!setterName)
|
|
{
|
|
var start = property.charAt(0) == '_' ? 1 : 0;
|
|
|
|
setterName = (start ? "_" : "") + "set" + property.substr(start, 1).toUpperCase() + property.substring(start + 1) + ":";
|
|
}
|
|
|
|
var setterCode = "- (void)" + setterName + "(" + (ivarType ? ivarType : "id") + ")newValue\n{\n";
|
|
|
|
if (accessors.copy)
|
|
setterCode += "if (" + ivarName + " !== newValue)\n" + ivarName + " = [newValue copy];\n}\n";
|
|
else
|
|
setterCode += ivarName + " = newValue;\n}\n";
|
|
|
|
CONCAT(getterSetterBuffer, setterCode);
|
|
}
|
|
|
|
CONCAT(getterSetterBuffer, "\n@end");
|
|
|
|
// Remove all @accessors or we will get a recursive loop in infinity
|
|
var b = getterSetterBuffer.toString().replace(/@accessors(\(.*\))?/g, "");
|
|
var imBuffer = ObjJAcornCompiler.compileToIMBuffer(b, "Accessors", compiler.flags, compiler.classDefs);
|
|
|
|
// Add the accessors methods first to instance method buffer.
|
|
// This will allow manually added set and get methods to override the compiler generated
|
|
CONCAT(compiler.imBuffer, imBuffer);
|
|
}
|
|
|
|
// We will store the classDef first after accessors are done so we don't get a duplicate class error
|
|
compiler.classDefs[className] = classDef;
|
|
|
|
if (node.body.length > 0)
|
|
{
|
|
if (!generate) compiler.lastPos = node.body[0].start;
|
|
|
|
// And last add methods and other statements
|
|
for (var i = 0; i < node.body.length; ++i) {
|
|
var body = node.body[i];
|
|
c(body, classScope, "Statement");
|
|
}
|
|
if (!generate) CONCAT(saveJSBuffer, compiler.source.substring(compiler.lastPos, body.end));
|
|
}
|
|
|
|
// We must make a new class object for our class definition if it's not a category
|
|
if (!node.categoryname) {
|
|
CONCAT(saveJSBuffer, "objj_registerClassPair(the_class);\n");
|
|
}
|
|
|
|
// Add instance methods
|
|
if (IS_NOT_EMPTY(compiler.imBuffer))
|
|
{
|
|
CONCAT(saveJSBuffer, "class_addMethods(the_class, [");
|
|
saveJSBuffer.atoms.push.apply(saveJSBuffer.atoms, compiler.imBuffer.atoms); // FIXME: Move this append to StringBuffer
|
|
CONCAT(saveJSBuffer, "]);\n");
|
|
}
|
|
|
|
// Add class methods
|
|
if (IS_NOT_EMPTY(compiler.cmBuffer))
|
|
{
|
|
CONCAT(saveJSBuffer, "class_addMethods(meta_class, [");
|
|
saveJSBuffer.atoms.push.apply(saveJSBuffer.atoms, compiler.cmBuffer.atoms); // FIXME: Move this append to StringBuffer
|
|
CONCAT(saveJSBuffer, "]);\n");
|
|
}
|
|
|
|
CONCAT(saveJSBuffer, "}");
|
|
|
|
compiler.jsBuffer = saveJSBuffer;
|
|
|
|
// Skip the "@end"
|
|
if (!generate) compiler.lastPos = node.end;
|
|
},
|
|
MethodDeclarationStatement: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate,
|
|
saveJSBuffer = compiler.jsBuffer,
|
|
methodScope = new Scope(st),
|
|
selectors = node.selectors,
|
|
arguments = node.arguments,
|
|
types = [node.returntype ? node.returntype.name : "id"],
|
|
selector = selectors[0].name; // There is always at least one selector
|
|
|
|
if (!generate) CONCAT(saveJSBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
|
|
compiler.jsBuffer = node.methodtype === '-' ? compiler.imBuffer : compiler.cmBuffer;
|
|
|
|
// Put together the selector. Maybe this should be done in the parser...
|
|
for (var i = 0; i < arguments.length; i++) {
|
|
if (i === 0)
|
|
selector += ":";
|
|
else
|
|
selector += (selectors[i] ? selectors[i].name : "") + ":";
|
|
}
|
|
|
|
if (IS_NOT_EMPTY(compiler.jsBuffer)) // Add comma separator if this is not first method in this buffer
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
CONCAT(compiler.jsBuffer, "new objj_method(sel_getUid(\"");
|
|
CONCAT(compiler.jsBuffer, selector);
|
|
CONCAT(compiler.jsBuffer, "\"), function");
|
|
|
|
// this.currentSelector = selector;
|
|
|
|
if (compiler.flags & ObjJAcornCompiler.Flags.IncludeDebugSymbols)
|
|
{
|
|
CONCAT(compiler.jsBuffer, " $" + st.currentClassName() + "__" + selector.replace(/:/g, "_"));
|
|
}
|
|
|
|
CONCAT(compiler.jsBuffer, "(self, _cmd");
|
|
|
|
methodScope.methodType = node.methodtype;
|
|
if (arguments) for (var i = 0; i < arguments.length; i++)
|
|
{
|
|
var argument = arguments[i],
|
|
argumentName = argument.identifier.name;
|
|
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
CONCAT(compiler.jsBuffer, argumentName);
|
|
types.push(argument.type ? argument.type.name : null);
|
|
methodScope.vars[argumentName] = {type: "method argument", node: argument};
|
|
}
|
|
|
|
CONCAT(compiler.jsBuffer, ")");
|
|
|
|
if (!generate) compiler.lastPos = node.startOfBody;
|
|
c(node.body, methodScope, "Statement");
|
|
//print("node.body: " + CPDescriptionOfObject(node.body));
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.body.end));
|
|
|
|
CONCAT(compiler.jsBuffer, "\n");
|
|
if (compiler.flags & ObjJAcornCompiler.Flags.IncludeDebugSymbols)
|
|
CONCAT(compiler.jsBuffer, ","+JSON.stringify(types));
|
|
CONCAT(compiler.jsBuffer, ")");
|
|
compiler.jsBuffer = saveJSBuffer;
|
|
if (!generate) compiler.lastPos = node.end;
|
|
},
|
|
MessageSendExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (!generate) {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
compiler.lastPos = node.object ? node.object.start : node.arguments.length ? node.arguments[0].start : node.end;
|
|
}
|
|
if (node.superObject)
|
|
{
|
|
CONCAT(compiler.jsBuffer, " objj_msgSendSuper(");
|
|
CONCAT(compiler.jsBuffer, "{ receiver:self, super_class:" + (st.currentMethodType() === "+" ? compiler.currentSuperMetaClass : compiler.currentSuperClass ) + " }");
|
|
}
|
|
else
|
|
{
|
|
CONCAT(compiler.jsBuffer, " objj_msgSend(");
|
|
c(node.object, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.object.end));
|
|
}
|
|
|
|
var selectors = node.selectors,
|
|
arguments = node.arguments,
|
|
selector = selectors[0].name; // There is always at least one selector
|
|
|
|
// Put together the selector. Maybe this should be done in the parser...
|
|
for (var i = 0; i < arguments.length; i++)
|
|
if (i === 0)
|
|
selector += ":";
|
|
else
|
|
selector += (selectors[i] ? selectors[i].name : "") + ":";
|
|
|
|
CONCAT(compiler.jsBuffer, ", \"");
|
|
CONCAT(compiler.jsBuffer, selector); // FIXME: sel_getUid(selector + "") ? This FIXME is from the old preprocessor compiler
|
|
CONCAT(compiler.jsBuffer, "\"");
|
|
|
|
if (node.arguments) for (var i = 0; i < node.arguments.length; i++)
|
|
{
|
|
var argument = node.arguments[i];
|
|
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
if (!generate)
|
|
compiler.lastPos = argument.start;
|
|
c(argument, st, "Expression");
|
|
if (!generate) {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, argument.end));
|
|
compiler.lastPos = argument.end;
|
|
}
|
|
}
|
|
|
|
// TODO: Move this 'if' with body up inside the node.argument 'if'
|
|
if (node.parameters) for (var i = 0; i < node.parameters.length; ++i)
|
|
{
|
|
var parameter = node.parameters[i];
|
|
|
|
CONCAT(compiler.jsBuffer, ", ");
|
|
if (!generate)
|
|
compiler.lastPos = parameter.start;
|
|
c(parameter, st, "Expression");
|
|
if (!generate) {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, parameter.end));
|
|
compiler.lastPos = parameter.end;
|
|
}
|
|
}
|
|
|
|
CONCAT(compiler.jsBuffer, ")");
|
|
if (!generate) compiler.lastPos = node.end;
|
|
},
|
|
SelectorLiteralExpression: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
CONCAT(compiler.jsBuffer, " sel_getUid(\"");
|
|
CONCAT(compiler.jsBuffer, node.selector);
|
|
CONCAT(compiler.jsBuffer, "\")");
|
|
if (!generate) compiler.lastPos = node.end;
|
|
},
|
|
Reference: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
CONCAT(compiler.jsBuffer, " function(__input) { if (arguments.length) return ");
|
|
CONCAT(compiler.jsBuffer, node.element.name);
|
|
CONCAT(compiler.jsBuffer, " = __input; return ");
|
|
CONCAT(compiler.jsBuffer, node.element.name);
|
|
CONCAT(compiler.jsBuffer, "; }");
|
|
if (!generate) compiler.lastPos = node.end;
|
|
},
|
|
Dereference: function(node, st, c) {
|
|
var compiler = st.compiler,
|
|
generate = compiler.generate;
|
|
|
|
checkCanDereference(st, node.expr);
|
|
|
|
// @deref(y) -> y()
|
|
// @deref(@deref(y)) -> y()()
|
|
if (!generate) {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
compiler.lastPos = node.expr.start;
|
|
}
|
|
c(node.expr, st, "Expression");
|
|
if (!generate) CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.expr.end));
|
|
CONCAT(compiler.jsBuffer, "()");
|
|
if (!generate) compiler.lastPos = node.end;
|
|
},
|
|
ClassStatement: function(node, st, c) {
|
|
var compiler = st.compiler;
|
|
if (!compiler.generate) {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
compiler.lastPos = node.start;
|
|
CONCAT(compiler.jsBuffer, "//");
|
|
}
|
|
var className = node.id.name;
|
|
if (!compiler.getClassDef(className)) {
|
|
classDef = {"className": className};
|
|
compiler.classDefs[className] = classDef;
|
|
}
|
|
st.vars[node.id.name] = {type: "class", node: node.id};
|
|
},
|
|
GlobalStatement: function(node, st, c) {
|
|
var compiler = st.compiler;
|
|
if (!compiler.generate) {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
compiler.lastPos = node.start;
|
|
CONCAT(compiler.jsBuffer, "//");
|
|
}
|
|
st.rootScope().vars[node.id.name] = {type: "global", node: node.id};
|
|
},
|
|
PreprocessStatement: function(node, st, c) {
|
|
var compiler = st.compiler;
|
|
if (!compiler.generate) {
|
|
CONCAT(compiler.jsBuffer, compiler.source.substring(compiler.lastPos, node.start));
|
|
compiler.lastPos = node.start;
|
|
CONCAT(compiler.jsBuffer, "//");
|
|
}
|
|
}
|
|
});
|