pxtcompiler.js

var pxt,pxt,ts,ts,ts,ts,ts,ts,ts,ts,ts,ts,ts,pxt,pxt,ts,ts,ts,ts,ts,ts,ts,ts,ts,ts,ts;!function(e){let t,n=!1;class r{constructor(e){this.db=e}loadAsync(n,r,s,i){if(!/^v\d+\.\d+\.\d+$/.test(r))return i(n,r);const a=`gh-${s}-${n}#${r}`;return t.cacheGet(a).then((s=>{if(s){const t=e.Util.jsonTryParse(s);if(t)return e.debug(`cache hit ${a}`),Promise.resolve(t)}return i(n,r).then((n=>n?(e.debug(`cached ${a}`),t.cacheSet(a,JSON.stringify(n)).then((()=>n))):n))}))}latestVersionAsync(e,t){return this.db.latestVersionAsync(e,t)}loadConfigAsync(e,t){return this.loadAsync(e,t,"pxt",((e,t)=>this.db.loadConfigAsync(e,t)))}loadPackageAsync(e,t){return this.loadAsync(e,t,"pkg",((e,t)=>this.db.loadPackageAsync(e,t)))}}class s{constructor(e){this.packageFiles=e}resolve(e,t){return""}readFile(t,n){const r="this"==t.id?n:"pxt_modules/"+t.id+"/"+n;return void 0!==this.packageFiles[r]?this.packageFiles[r]:e.appTarget.bundledpkgs[t.id]?e.appTarget.bundledpkgs[t.id][n]:null}writeFile(t,n,r){const s="this"==t.id?"":"pxt_modules/"+t.id+"/";e.debug(`write file ${s+n}`),this.packageFiles[s+n]=r}getHexInfoAsync(e){return Promise.resolve({hex:["SKIP"]})}cacheStoreAsync(e,n){return(null==t?void 0:t.cacheSet)?t.cacheSet(e,n):Promise.resolve()}cacheGetAsync(e){return(null==t?void 0:t.cacheGet)?t.cacheGet(e):Promise.resolve("")}downloadPackageAsync(r){return n?function(e){const n=null==t?void 0:t.pkgOverrideAsync;return(n?n(e.id):Promise.resolve(void 0)).then((t=>t||e.commonDownloadAsync()))}(r).then((t=>{t&&e.U.iterMap(t,((e,t)=>{this.writeFile(r,e,t)}))})):Promise.resolve()}resolveVersionAsync(e){return Promise.resolve("*")}}function i(t){if(t.target.preferredEditor==e.PYTHON_PROJECT_NAME){const n=e.U.clone(t);n.ast=!0,n.target.preferredEditor=e.JAVASCRIPT_PROJECT_NAME;for(let t of n.sourceFiles)e.U.endsWith(t,".py")&&(n.fileSystem[t.slice(0,-3)+".ts"]=" ");const r=pxtc.compile(n);t.apisInfo=pxtc.getApiInfo(r.ast,n.jres)}}function a(t,n){const r=new s(t),a=new e.MainPackage(r);return a.loadAsync().then((()=>{let e=a.getTargetOptions();return e.hasHex&&(e.isNative=n.native),a.getCompileOptionsAsync(e)})).then((e=>(o(a.targetVersion(),e),i(e),e)))}function o(t,n){if(t){e.debug(`applying TS patches relative to ${t}`);for(let r of Object.keys(n.fileSystem))if(-1==r.indexOf("/")&&e.U.endsWith(r,".ts")){const s=n.fileSystem[r],i=e.patching.patchJavaScript(t,s);s!=i&&(e.debug(`applying TS patch to ${r}`),n.fileSystem[r]=i)}}}e.SimpleHost=s,e.prepPythonOptions=i,e.simpleInstallPackagesAsync=function(t){const n=new s(t);return new e.MainPackage(n).loadAsync(!0)},e.simpleGetCompileOptionsAsync=a,e.simpleCompileAsync=function(e,t){return a(e,"boolean"==typeof t?{native:t}:t||{}).then((e=>pxtc.compile(e))).then((e=>(e.success||(e.errors=e.diagnostics.map(ts.pxtc.getDiagnosticString).join("")||"Unknown error."),e)))},e.patchTS=o,e.setupSimpleCompile=function(s){"undefined"==typeof global||global.btoa||(global.btoa=function(e){return Buffer.from(e,"binary").toString("base64")},global.atob=function(e){return Buffer.from(e,"base64").toString("binary")}),"undefined"!=typeof pxtTargetBundle&&(e.debug("setup app bundle"),e.setAppTarget(pxtTargetBundle)),s&&(t=s,n=!0,s.httpRequestAsync&&(e.Util.httpRequestCoreAsync=s.httpRequestAsync),e.github.forceProxy=!0,e.github.db=new r(new e.github.MemoryGithubDb)),e.debug("simple setup done")}}(pxt||(pxt={})),function(e){e.simshim=function(t,n){let r,s=ts.SyntaxKind,i=t.getTypeChecker(),a=e.cpp.nsWriter("declare namespace"),o="";for(let i of t.getSourceFiles()){if(n){let t=n(i.fileName);if(e.debug("SimShim[1]: "+t.dir),!e.U.endsWith(t.dir,"/sim")&&!e.U.startsWith(i.fileName,"sim/"))continue}else if(!e.U.startsWith(i.fileName,"sim/"))continue;e.debug("SimShim[2]: "+i.fileName);for(let e of i.statements){let t=e;e.kind==s.ModuleDeclaration&&"pxsim"==t.name.text&&(r=t,h(t.body))}}let l={};return l[e.appTarget.corepkg]=a.finish(),l;function c(e){let t;return ts.isExpression(e)&&(t=i.getContextualType(e)),t||(t=i.getTypeAtLocation(e)),t}function u(e){let t=i.typeToString(e,r,ts.TypeFormatFlags.UseFullyQualifiedType);switch(t=t.replace(/^pxsim\./,""),t){case"RefAction":return"() => void";case"RefBuffer":return"Buffer";default:return t}}function p(e){let t=pxtc.getComments(e);return/^\s*\/\/%/m.test(t)?t:null}function d(e){let t=p(e);if(!t)return;let n=e.name.getText(),r="//% shim=."+n,s=i.getTypeAtLocation(e);a.write(t),a.write(r),a.write(`public ${n}: ${u(s)};`),a.write("")}function f(e){let t=p(e);if(!t)return;i.getTypeAtLocation(e);let n=e.parameters.map((e=>e.name.getText()+": "+u(c(e))));a.write(t),a.write(`//% shim="new ${o}"`),a.write(`constructor(${n.join(", ")});`),a.write("")}function m(t,n=!1){let r=p(t);if(!r)return;let l=t.name.getText(),d=t.kind==s.MethodDeclaration||t.kind==s.GetAccessor||t.kind==s.SetAccessor,f="//% shim="+(d?"."+l:o+"::"+l),m=i.getSignatureFromDeclaration(t),h=i.getReturnTypeOfSignature(m),g=/Async$/.test(l),b=(x=h,pxtc.isObjectType(x)&&x.objectFlags&ts.ObjectFlags.Reference&&"Promise"==x.symbol.name?x.typeArguments[0]:null);var x;b?(f+=" promise",h=b,g||e.U.userError(`${o}::${l} should be called ${l}Async`)):g&&e.U.userError(`${o}::${l} doesn't return a promise`),e.debug("emitFun: "+l);let y=t.parameters.map((e=>`${e.name.getText()}${e.questionToken?"?":""}: ${u(c(e))}`)),k=l.replace(/Async$/,""),S=d?"public":"function",T=`(${y.join(", ")})`;t.kind==s.GetAccessor&&(S=n?"public":"readonly",T="",f+=" property"),d||a.setNs(o),a.write(r),a.write(f),a.write(`${S} ${k}${T}: ${u(h)};`),a.write("")}function h(e){switch(e.kind){case s.ModuleDeclaration:return function(e){let t=o;o&&(o+="."),o+=e.name.text,h(e.body),o=t}(e);case s.ModuleBlock:return e.statements.forEach(h);case s.FunctionDeclaration:return m(e);case s.ClassDeclaration:return function(e){let t=p(e);if(!t)return;a.setNs(o),a.write(t);let n=o;o&&(o+="."),o+=e.name.text;let r=n?"":"declare",i="";if(e.heritageClauses)for(let t of e.heritageClauses)t.token==s.ExtendsKeyword&&(i=" extends "+u(c(t.types[0])));a.write(`${r} class ${e.name.text}${i} {`),a.incrIndent();for(let t of e.members)switch(t.kind){case s.MethodDeclaration:m(t);break;case s.PropertyDeclaration:d(t);break;case s.Constructor:f(t);break;case s.GetAccessor:let n=e.members.some((e=>e.kind==s.SetAccessor&&e.name.getText()==t.name.getText()));m(t,n)}o=n,a.decrIndent(),a.write("}")}(e)}}}}(pxt||(pxt={})),function(e){!function(t){t.annotate=function(n,r,s){const i=t.target;t.target=s;let a=n.getSourceFiles().filter((e=>e.fileName===r))[0],o=n.getTypeChecker();function l(n,r,s=!1,i=null){let a=s||!(u(n).flags&e.TypeFlags.Void),l=i||c(n);if(n.expression&&l){let e=!1;switch(l.kind){case t.SK.PropertySignature:case t.SK.PropertyAssignment:case t.SK.PropertyDeclaration:t.isStatic(l)||(e=!0);break;case t.SK.Parameter:t.isCtorField(l)&&(e=!0);break;case t.SK.GetAccessor:case t.SK.SetAccessor:case t.SK.MethodDeclaration:case t.SK.MethodSignature:e=!0}if(e){const e=n.expression;e.kind===t.SK.PropertyAccessExpression?r.unshift(e.expression):r.unshift(n.expression)}}let p={decl:l,qName:l?t.getNodeFullName(o,l):"?",args:r,isExpression:a};t.pxtInfo(n).callInfo=p}function c(n){if(!n)return null;let r,s=o.getSymbolAtLocation(n);if(s&&(r=s.valueDeclaration,!r&&s.declarations)){let t=s.declarations[0];t&&t.kind==e.SyntaxKind.ImportEqualsDeclaration&&(s=o.getSymbolAtLocation(t.moduleReference),s&&(r=s.valueDeclaration))}if(!r&&n.kind==t.SK.PropertyAccessExpression){const e=n;r={kind:t.SK.PropertySignature,symbol:{isBogusSymbol:!0,name:e.name.getText()},name:e.name},t.pxtInfo(r).flags|=2}return r}function u(n){let r;const s=t.pxtInfo(n);return s.typeCache?s.typeCache:(e.isExpression(n)&&(r=o.getContextualType(n)),r||(r=o.getTypeAtLocation(n)),r?e.isStringLiteral(n)?r:t.checkType(r):r)}!function n(r){e.forEachChild(r,(r=>{switch(r.kind){case e.SyntaxKind.CallExpression:l(r,r.arguments.slice(0),null,c(r.expression));break;case e.SyntaxKind.PropertyAccessExpression:l(r,[]);break;case e.SyntaxKind.TaggedTemplateExpression:l(r,[r.template],!0,c(r.tag));break;case e.SyntaxKind.BinaryExpression:!function(n){const r=n.left,s=n.right;let i=u(n.left),a=u(n.right);n.operatorToken.kind!=t.SK.PlusToken&&n.operatorToken.kind!=t.SK.PlusEqualsToken||(t.isStringType(i)||t.isStringType(a)&&n.operatorToken.kind==t.SK.PlusToken)&&(t.pxtInfo(n).exprInfo={leftType:o.typeToString(i),rightType:o.typeToString(a)});switch(n.operatorToken.kind){case e.SyntaxKind.EqualsToken:case e.SyntaxKind.PlusEqualsToken:case e.SyntaxKind.MinusEqualsToken:if(r.kind==t.SK.PropertyAccessExpression){let n=c(r);n&&n.kind==t.SK.GetAccessor?(n=e.getDeclarationOfKind(n.symbol,t.SK.SetAccessor),l(r,[s],!1,n)):n&&(n.kind==t.SK.PropertySignature||n.kind==t.SK.PropertyAssignment||t.target&&t.target.switches.slowFields)&&l(r,[s])}}}(r);break;case e.SyntaxKind.Identifier:const n=c(r);if(n&&n.getSourceFile().fileName!==pxt.MAIN_TS&&n.kind==e.SyntaxKind.VariableDeclaration){const e=t.pxtInfo(r);e.flags|=4,e.commentAttrs||(e.commentAttrs=t.parseComments(n))}}n(r)}))}(a),t.target=i}}(e.pxtc||(e.pxtc={}))}(ts||(ts={})),function(e){!function(e){function t(e){let t='"';for(let n=0;n<e.length;++n){let r=255&e.charCodeAt(n),s=String.fromCharCode(r);t+="\\"==s||'"'==s?"\\"+s:"\n"==s?"\\n":r<=15?"\\x0"+r.toString(16):r<32||r>127?"\\x"+r.toString(16):s}return t+'"'}e.asmStringLiteral=t;function n(n){let r="pxt::string_inline_ascii_vt",s=e.target.utf8?e.U.toUTF8(n,!0):n,i="";if(s!==n)if(n.length>16){r="pxt::string_skiplist16_packed_vt";let a=[],o=0;for(let t=0;t+16<=n.length;t+=16)o+=e.U.toUTF8(n.slice(t,t+16),!0).length,a.push(o);i=`\n    .short ${s.length}, ${n.length}\n    .short ${a.map((e=>e.toString())).join(", ")}\n    .string ${t(s)}\n`}else r="pxt::string_inline_utf8_vt";return i||(i=`\n    .short ${s.length}\n    .string ${t(s)}\n`),{vt:r,asm:i}}function r(e,t=""){return`\n                .word ${e.length>>1}${t}\n                .hex ${e}${e.length%4==0?"":"00"}\n        `}e.AssemblerSnippets=class{nop(){return"TBD(nop)"}reg_gets_imm(e,t){return"TBD(reg_gets_imm)"}proc_setup(e,t){return"TBD(proc_setup)"}push_fixed(e){return"TBD(push_fixed)"}push_local(e){return"TBD(push_local)"}push_locals(e){return"TBD(push_locals)"}pop_fixed(e){return"TBD(pop_fixed)"}pop_locals(e){return"TBD(pop_locals)"}proc_return(){return"TBD(proc_return)"}debugger_stmt(e){return""}debugger_bkpt(e){return""}debugger_proc(e){return""}unconditional_branch(e){return"TBD(unconditional_branch)"}beq(e){return"TBD(beq)"}bne(e){return"TBD(bne)"}cmp(e,t){return"TBD(cmp)"}cmp_zero(e){return"TBD(cmp_zero)"}arithmetic(){return""}load_reg_src_off(e,t,n,r,s,i){return"TBD(load_reg_src_off)"}rt_call(e,t,n){return"TBD(rt_call)"}call_lbl(e,t){return"TBD(call_lbl)"}call_reg(e){return"TBD(call_reg)"}helper_prologue(){return"TBD(lambda_prologue)"}helper_epilogue(){return"TBD(lambda_epilogue)"}pop_clean(e){return"TBD"}load_ptr_full(e,t){return"TBD(load_ptr_full)"}emit_int(e,t){return"TBD(emit_int)"}obj_header(e){return`.word ${e}`}string_literal(e,t){const r=n(t);return`\n            .balign 4\n            .object ${e}\n            ${e}: ${this.obj_header(r.vt)}\n            ${r.asm}\n`}hex_literal(e,t){return`\n.balign ${/f{16}/i.test(t)?8:4}\n.object ${e}\n${e}: ${this.obj_header("pxt::buffer_vt")}\n${r(t)}\n`}},e.utf8AsmStringLiteral=n,e.hexLiteralAsm=r,e.numBytes=function(e){let t=0;for(let n=e;n>0;n>>>=8)t++;return t||1};e.ProctoAssembler=class{constructor(t,n,r){this.resText="",this.exprStack=[],this.calls=[],this.proc=null,this.baseStackSize=0,this.labelledHelpers={},this.write=t=>{this.resText+=e.asmline(t)},this.t=t,this.bin=n,this.proc=r,this.proc&&this.work()}emitHelpers(){this.emitLambdaTrampoline(),this.emitArrayMethods(),this.emitFieldMethods(),this.emitBindHelper()}redirectOutput(t){let n=this.write,r="";this.write=t=>r+=e.asmline(t);try{t()}finally{this.write=n}return r}stackSize(){return this.baseStackSize+this.exprStack.length}stackAlignmentNeeded(t=0){if(!e.target.stackAlign)return 0;let n=e.target.stackAlign-(this.stackSize()+t&e.target.stackAlign-1);return n==e.target.stackAlign?0:n}getAssembly(){return this.resText}work(){this.write(`\n;\n; Function ${this.proc.getFullName()}\n;\n`);let t=this.proc.label();this.write(`.object ${t} ${JSON.stringify(this.proc.getFullName())}`);let n=t+"_pre",r=t+"_bkpt",s=t+"_locals",i=t+"_end";this.write(`${n}:`),this.emitLambdaWrapper(this.proc.isRoot),this.write(".section code"),this.write(`${t}:`),this.proc.classInfo&&this.proc.info.thisParameter&&!e.target.switches.skipClassCheck&&!e.target.switches.noThisCheckOpt&&(this.write("mov r7, lr"),this.write("ldr r0, [sp, #0]"),this.emitInstanceOf(this.proc.classInfo,"validate"),this.write("mov lr, r7")),this.write(`\n${t}_nochk:\n    @stackmark func\n    @stackmark args\n`),this.proc.fillDebugInfo=t=>{let a=t.getLabels();this.proc.debugInfo={locals:(1==this.proc.seqNo?this.bin.globals:this.proc.locals).map((e=>e.getDebugInfo())),args:this.proc.args.map((e=>e.getDebugInfo())),name:this.proc.getName(),codeStartLoc:e.U.lookup(a,s),codeEndLoc:e.U.lookup(a,i),bkptLoc:e.U.lookup(a,r),localsMark:e.U.lookup(t.stackAtLabel,s),idx:this.proc.seqNo,calls:this.calls,size:e.U.lookup(a,i)+2-e.U.lookup(a,n)};for(let n of this.calls)n.addr=e.U.lookup(a,n.callLabel),n.stack=e.U.lookup(t.stackAtLabel,n.callLabel),n.callLabel=void 0;for(let n=0;n<this.proc.body.length;++n){let r=this.proc.body[n].breakpointInfo;if(r){let n=e.U.lookup(t.stackAtLabel,`__brkp_${r.id}`);n!==this.proc.debugInfo.localsMark&&(console.log(r),console.log(t.stackAtLabel),e.U.oops(`offset doesn't match: ${n} != ${this.proc.debugInfo.localsMark}`))}}},this.bin.breakpoints&&this.write(this.t.debugger_proc(r)),this.baseStackSize=1;let a=this.proc.locals.length;this.write("push {lr}"),this.write(".locals:\n"),this.proc.perfCounterNo&&(this.write(this.t.emit_int(this.proc.perfCounterNo,"r0")),this.write("bl pxt::startPerfCounter")),this.write(this.t.proc_setup(a)),this.baseStackSize+=a,this.write("@stackmark locals"),this.write(`${s}:`);for(let t=0;t<this.proc.body.length;++t){let n=this.proc.body[t];switch(n.stmtKind){case e.ir.SK.Expr:this.emitExpr(n.expr);break;case e.ir.SK.StackEmpty:if(this.exprStack.length>0){for(let e of this.proc.body.slice(t-4,t+1))console.log(`PREVSTMT ${e.toString().trim()}`);for(let e of this.exprStack)console.log(`EXPRSTACK ${e.currUses}/${e.totalUses} E: ${e.toString()}`);e.oops("stack should be empty")}this.write("@stackempty locals");break;case e.ir.SK.Jmp:this.emitJmp(n);break;case e.ir.SK.Label:this.write(n.lblName+":"),this.validateJmpStack(n);break;case e.ir.SK.Comment:this.write(`; ${n.expr.data}`);break;case e.ir.SK.Breakpoint:if(this.bin.breakpoints){let e=`__brkp_${n.breakpointInfo.id}`;n.breakpointInfo.isDebuggerStmt?this.write(this.t.debugger_stmt(e)):this.write(this.t.debugger_bkpt(e))}break;default:e.oops()}}e.assert(0<=a&&a<127),a>0&&this.write(this.t.pop_locals(a)),this.proc.perfCounterNo&&(this.write("mov r4, r0"),this.write(this.t.emit_int(this.proc.perfCounterNo,"r0")),this.write("bl pxt::stopPerfCounter"),this.write("mov r0, r4")),this.write(`${i}:`),this.write(this.t.proc_return()),this.write("@stackempty func"),this.write("@stackempty args"),this.write("; endfun")}mkLbl(e){let t=e+this.bin.lblNo++;return"_"!=t[0]&&(t="."+t),t}dumpStack(){let e="[";for(let t of this.exprStack)e+=t.sharingInfo()+": "+t.toString()+"; ";return e+="]",e}terminate(t){e.assert(t.exprKind==e.ir.EK.SharedRef);let n=t.args[0];e.U.assert(n.currUses!=n.totalUses),e.U.assert(this.exprStack[0]===n,"term at top");let r=1;for(;r<this.exprStack.length;){let e=this.exprStack[r];if(e.currUses!=e.totalUses)break;r++}return this.write(`@dummystack ${r}`),this.write(this.t.pop_locals(r)),r}validateJmpStack(t,n=0){let r=this.exprStack.length-n;null==t.lblStackSize?t.lblStackSize=r:t.lblStackSize!=r&&(console.log(t.lblStackSize,r),console.log(this.dumpStack()),e.U.oops("stack misaligned at: "+t.lblName))}emitJmp(t){let n=0;if(t.jmpMode==e.ir.JmpMode.Always)t.expr&&this.emitExpr(t.expr),t.terminateExpr&&(n=this.terminate(t.terminateExpr)),this.write(this.t.unconditional_branch(t.lblName)+" ; with expression");else{let r=this.mkLbl("jmpz");this.emitExpr(t.expr),(t.expr.exprKind!=e.ir.EK.RuntimeCall||"thumb::subs"!==t.expr.data&&!e.U.startsWith(t.expr.data,"_cmp_"))&&this.write(this.t.cmp_zero("r0")),t.jmpMode==e.ir.JmpMode.IfNotZero?this.write(this.t.beq(r)):this.write(this.t.bne(r)),t.terminateExpr&&(n=this.terminate(t.terminateExpr)),this.write(this.t.unconditional_branch(t.lblName)),this.write(r+":")}this.validateJmpStack(t.lbl,n)}clearStack(e=!1){let t=0;for(;this.exprStack.length>0&&this.exprStack[0].currUses==this.exprStack[0].totalUses;)t++,this.exprStack.shift();if(t&&this.write(this.t.pop_locals(t)),!e){let e=this.exprStack.filter((e=>e.currUses==e.totalUses&&-1!=e.irCurrUses));if(e.length>0){this.write(this.t.reg_gets_imm("r7",0));for(let t of e)t.irCurrUses=-1,this.write(this.loadFromExprStack("r7",t,0,!0))}}}emitExprInto(t,n){switch(t.exprKind){case e.ir.EK.NumberLiteral:"number"==typeof t.data?this.write(this.t.emit_int(t.data,n)):e.oops();break;case e.ir.EK.PointerLiteral:this.write(this.t.load_ptr_full(t.data,n));break;case e.ir.EK.SharedRef:let r=t.args[0];e.U.assert(!!r.currUses),e.U.assert(r.currUses<r.totalUses),r.currUses++;let s=this.exprStack.indexOf(r);if(e.U.assert(s>=0),0==s&&r.totalUses==r.currUses)this.write(this.t.pop_fixed([n])+` ; tmpref @${this.exprStack.length}`),this.exprStack.shift(),this.clearStack();else{let e=s.toString()+":"+this.exprStack.length;this.write(this.t.load_reg_src_off(n,"sp",e,!0)+" ; tmpref @"+(this.exprStack.length-s))}break;case e.ir.EK.CellRef:let i=t.data;if(i.isGlobal()){let e=this.bitSizeInfo(i.bitSize),t="#"+i.index;(e.needsSignExt||i.index>=e.immLimit)&&(this.write(this.t.emit_int(i.index,n)),t=n),this.write(this.t.load_reg_src_off("r7","r6","#0")),this.write(this.t.load_reg_src_off(n,"r7",t,!1,!1,e))}else{let[e,t,r]=this.cellref(i);this.write(this.t.load_reg_src_off(n,e,t,r))}break;default:e.oops()}}bitSizeInfo(t){let n={size:e.sizeOfBitSize(t),immLimit:128};return 1==n.size?n.immLimit=32:2==n.size&&(n.immLimit=64),1!=t&&3!=t||(n.needsSignExt=!0),n}emitExpr(t){switch(t.exprKind){case e.ir.EK.JmpValue:this.write("; jmp value (already in r0)");break;case e.ir.EK.Nop:this.write(this.t.nop());break;case e.ir.EK.FieldAccess:return this.emitExpr(t.args[0]),this.emitFieldAccess(t);case e.ir.EK.Store:return this.emitStore(t.args[0],t.args[1]);case e.ir.EK.RuntimeCall:return this.emitRtCall(t);case e.ir.EK.ProcCall:return this.emitProcCall(t);case e.ir.EK.SharedDef:return this.emitSharedDef(t);case e.ir.EK.Sequence:return t.args.forEach((e=>this.emitExpr(e))),this.clearStack();case e.ir.EK.InstanceOf:return this.emitExpr(t.args[0]),this.emitInstanceOf(t.data,t.jsInfo);default:return this.emitExprInto(t,"r0")}}emitFieldAccess(t,n=!1){let r=t.data,s=(n?"st":"ld")+"fld_"+r.classInfo.id+"_"+r.name;r.needsCheck&&!e.target.switches.skipClassCheck&&(this.emitInstanceOf(r.classInfo,"validate"),s+="_chk");let i=4*r.idx+4,a="#"+i;i>124&&(this.write(this.t.emit_int(i,"r3")),a="r3"),n?this.write(`str r1, [r0, ${a}]`):this.write(`ldr r0, [r0, ${a}]`)}writeFailBranch(){this.write(".fail:"),this.write("mov r1, lr"),this.write(this.t.callCPP("pxt::failedCast"))}emitClassCall(t){let n=t.virtualIndex+e.firstMethodOffset();this.write(this.t.emit_int(4*n,"r1"));let r=t.classInfo,s="";t.isThis&&(s+="_this"),this.emitLabelledHelper("classCall_"+r.id+s,(()=>{this.write("ldr r0, [sp, #0] ; ld-this"),this.loadVTable(),e.target.switches.skipClassCheck||t.isThis||this.checkSubtype(r),this.write("ldr r1, [r3, r1] ; ld-method"),this.write("bx r1 ; keep lr from caller"),this.writeFailBranch()}))}helperObject(e){return`.object _pxt_helper_${e.replace(/[^\w]+/g,"_")} "helper: ${e}"`}emitBindHelper(){this.write(`\n                ${this.helperObject("bind")}\n                .section code\n                _pxt_bind_helper:\n                    push {r0, r2}\n                    movs r0, #2\n                    ldlit r1, _pxt_bind_lit\n                    ${this.t.callCPP("pxt::mkAction")}\n                    pop {r1, r2}\n                    str r1, [r0, #12]\n                    str r2, [r0, #16]\n                    bx r4 ; return\n\n                _pxt_bind_lit:\n                    ${this.t.obj_header("pxt::RefAction_vtable")}\n                    .short 0, 0 ; no captured vars\n                    .word .bindCode@fn\n                .bindCode:\n                    ; r0-bind object, r4-#args\n                    cmp r4, #12\n                    bge .fail\n                    lsls r3, r4, #2\n                    ldlit r2, _pxt_copy_list\n                    ldr r1, [r2, r3]\n\n                    ldr r3, [r0, #12]\n                    ldr r2, [r0, #16]\n                    adds r4, r4, #1\n                    bx r1\n            `),this.writeFailBranch(),this.write("_pxt_copy_list:"),this.write(e.U.range(12).map((e=>`.word _pxt_bind_${e}@fn`)).join("\n"));for(let e=0;e<12;e++){this.write(`\n                _pxt_bind_${e}:\n                    sub sp, #4\n                `);for(let t=0;t<e;++t)this.write(`ldr r1, [sp, #4*${t+1}]`),this.write(`str r1, [sp, #4*${t}]`);this.write(`\n                    push {r3} ; this-ptr\n                    mov r1, lr\n                    str r1, [sp, #4*${e+1}] ; store LR\n                    blx r2\n                    ldr r1, [sp, #4*${e+1}]\n                    add sp, #8\n                    bx r1\n                `)}}ifaceCallCore(t,n,r=!1){this.write("\n                ldr r2, [r3, #12] ; load mult\n                movs r7, r2\n                beq .objlit ; built-in types have mult=0\n                muls r7, r1\n                lsrs r7, r2\n                lsls r7, r7, #1 ; r7 - hash offset\n                ldr r3, [r3, #4] ; iface table\n                adds r3, r3, r7\n                ; r0-this, r1-method idx, r2-free, r3-hash entry, r4-num args, r7-free\n                ");for(let t=0;t<e.vtLookups;++t)t>0&&this.write("    adds r3, #2"),this.write("\n                ldrh r2, [r3, #0] ; r2-offset of descriptor\n                ldrh r7, [r2, r3] ; r7-method idx\n                cmp r7, r1\n                beq .hit\n                ");"get"==n?(this.write("movs r0, #0 ; undefined"),this.write("bx lr")):this.write("b .fail2"),this.write("\n            .hit:\n                adds r3, r3, r2 ; r3-descriptor\n                ldr r2, [r3, #4]\n                lsls r7, r2, #31\n                beq .field\n            ");const s=this.t.emit_int(t,"r4")+"\n     bx r2";if("set"==n?this.write(`\n                    ; check for next descriptor\n                    ldrh r7, [r3, #8]\n                    cmp r7, r1\n                    bne .fail2 ; no setter!\n                    ldr r2, [r3, #12]\n                    ${s}\n                `):(this.write("\n                    ; check if it's getter\n                    ldrh r7, [r3, #2]\n                    cmp r7, #1\n                "),"get"==n?this.write(`\n                        bne .bind\n                        ${s}\n                    .bind:\n                        mov r4, lr\n                        bl _pxt_bind_helper\n                    `):this.write(`\n                        beq .doublecall\n                        ${s}\n                    .doublecall:\n                        ; call getter\n                        movs r4, #1\n                        push {r0, lr}\n                        blx r2\n                        pop {r1, r2}\n                        mov lr, r2\n                        b .moveArgs\n                    `)),r||(this.write(`\n                .objlit:\n                    ldrh r2, [r3, #8]\n                    cmp r2, #${pxt.BuiltInType.RefMap}\n                    bne .fail\n                    mov r4, lr\n                `),"set"==n&&this.write("ldr r2, [sp, #4] ; ld-val"),this.write(this.t.callCPP("set"==n?"pxtrt::mapSet":"pxtrt::mapGet")),n?this.write("bx r4"):(this.write("mov lr, r4"),this.write("b .moveArgs"))),this.write(".field:"),"set"==n?this.write("\n                        ldr r3, [sp, #4] ; ld-val\n                        str r3, [r0, r2] ; store field\n                        bx lr\n                    "):"get"==n?this.write("\n                        ldr r0, [r0, r2] ; load field\n                        bx lr\n                    "):this.write("\n                        ldr r0, [r0, r2] ; load field\n                    "),!n){this.write(".moveArgs:");for(let e=0;e<t;++e)e==t-1?this.write("movs r1, r0"):this.write(`ldr r1, [sp, #4*${e+1}]`),this.write(`str r1, [sp, #4*${e}]`);this.lambdaCall(t-1)}r&&this.write(".objlit:"),this.writeFailBranch(),this.write(`\n            .fail2:\n                ${this.t.callCPP("pxt::missingProperty")}\n            `)}emitIfaceCall(t,n,r=""){e.U.assert(t.ifaceIndex>0),this.write(this.t.emit_int(t.ifaceIndex,"r1")),this.emitLabelledHelper("ifacecall"+n+"_"+r,(()=>{this.write("ldr r0, [sp, #0] ; ld-this"),this.loadVTable(),this.ifaceCallCore(n,r)}))}checkSubtype(e,t=".fail",n="r2"){e.classNo?(this.write(`ldrh ${n}, [r3, #8]`),this.write(`cmp ${n}, #${e.classNo}`),e.classNo==e.lastSubtypeNo?this.write(`bne ${t}`):(this.write(`blt ${t}`),this.write(`cmp ${n}, #${e.lastSubtypeNo}`),this.write(`bgt ${t}`))):this.write(`b ${t} ; always fails; class never instantiated`)}loadVTable(e="r2",t=".fail",n=".fail"){this.write(`lsls ${e}, r0, #30`),this.write(`bne ${t}`),this.write("cmp r0, #0"),this.write(`beq ${n}`),this.write("ldr r3, [r0, #0]"),this.write("; vtable in R3")}emitInstanceOf(t,n){let r="inst_"+t.id+"_"+n;this.emitLabelledHelper(r,(()=>{"validateNullable"==n?this.loadVTable("r2",".tagged",".undefined"):this.loadVTable("r2",".fail",".fail"),this.checkSubtype(t),"bool"==n?(this.write(`movs r0, #${e.taggedTrue}`),this.write("bx lr"),this.write(".fail:"),this.write(`movs r0, #${e.taggedFalse}`),this.write("bx lr")):"validate"==n?(this.write("bx lr"),this.writeFailBranch()):"validateNullable"==n?(this.write(".undefined:"),this.write("bx lr"),this.write(".tagged:"),this.write(`cmp r0, #${e.taggedNull} ; check for null`),this.write("bne .fail"),this.write("movs r0, #0"),this.write("bx lr"),this.writeFailBranch()):e.U.oops()}))}emitSharedDef(t){let n=t.args[0];if(e.U.assert(n.totalUses>=1),e.U.assert(0===n.currUses),n.currUses=1,1==n.totalUses)return this.emitExpr(n);this.emitExpr(n),this.exprStack.unshift(n),this.write(this.t.push_local("r0")+"; tmpstore @"+this.exprStack.length)}clearArgs(t,n){t.length,n.length;let r=t.concat(n);for(let t of r)0==t.currUses&&1==t.totalUses||(console.log(t.toString()),console.log(r.map((e=>e.toString()))),e.U.oops(`wrong uses: ${t.currUses} ${t.totalUses}`)),t.currUses=1;this.clearStack()}builtInClassNo(e){return{id:"builtin"+e,classNo:e,lastSubtypeNo:e}}emitBeginTry(e){this.emitExprInto(e.args[0],"r0"),this.write("bl _pxt_save_exception_state")}emitRtCall(t,n=null){let r=t.data;if("pxt::beginTry"==r)return this.emitBeginTry(t);let s=t.mask||{refMask:0},i=s.conversions||[],a=t.args.map(((e,t)=>({idx:t,expr:e,isSimple:e.isLiteral(),isRef:0!=(s.refMask&1<<t),conv:i.find((e=>e.argIdx==t))})));e.U.assert(a.length<=4);let o=!1;for(let t of e.U.reversed(a))t.expr.isPure()?t.isSimple||t.isRef||o&&!t.expr.isStateless()||(t.isSimple=!0):o=!0;for(let e of a)e.conv&&(e.isSimple=!1);let l=a.filter((e=>!e.isSimple));if(l.every((e=>e.expr.isPure()&&!e.isRef&&!e.conv))){for(let e of l)e.isSimple=!0;l=[]}let c=l[0],u=!0;if(1!=l.length||c.conv||c.isRef){for(let e of l)this.pushArg(e.expr);this.alignExprStack(0);let t=l.filter((e=>!!e.conv));if(t.length){const n=this.redirectOutput((()=>{let n=0;e.target.switches.inlineConversions||(this.t.stackAligned()?n+=2:n+=1);for(let r of t){if(e.isThumb()&&"pxt::toInt"==r.conv.method){this.write(this.loadFromExprStack("r0",r.expr,n)),this.write("asrs r0, r0, #1");let t=e.target.switches.inlineConversions?r.expr.getId():n;this.write("bcs .isint"+t),this.write("lsls r0, r0, #1"),this.alignedCall(r.conv.method,"",n),this.write(".isint"+t+":"),this.write(this.t.push_fixed(["r0"]))}else this.write(this.loadFromExprStack("r0",r.expr,n)),r.conv.refTag?e.target.switches.skipClassCheck||this.emitInstanceOf(this.builtInClassNo(r.conv.refTag),r.conv.refTagNullable?"validateNullable":"validate"):(this.alignedCall(r.conv.method,"",n),r.conv.returnsRef&&this.write(this.loadFromExprStack("r0",r.expr,n,!0))),this.write(this.t.push_fixed(["r0"]));n++}for(let r of e.U.reversed(t))n--,this.write(this.t.pop_fixed(["r"+r.idx]));for(let e of l)e.conv||this.write(this.loadFromExprStack("r"+e.idx,e.expr,n))}));e.target.switches.inlineConversions?this.write(n):this.emitHelper(this.t.helper_prologue()+n+this.t.helper_epilogue(),"conv")}else for(let e of l)this.write(this.loadFromExprStack("r"+e.idx,e.expr))}else this.emitExpr(c.expr),0!=c.idx&&this.write(this.t.mov("r"+c.idx,"r0")),u=!1;for(let e of a)e.isSimple&&this.emitExprInto(e.expr,"r"+e.idx);n?n():"langsupp::ignore"!=r&&this.alignedCall(r,"",0,!0),u&&this.clearArgs(l.filter((e=>!e.isRef)).map((e=>e.expr)),l.filter((e=>e.isRef)).map((e=>e.expr)))}alignedCall(t,n="",r=0,s=!1){(e.U.startsWith(t,"_cmp_")||e.U.startsWith(t,"_pxt_"))&&(s=!1),this.write(this.t.call_lbl(t,s,this.stackAlignmentNeeded(r))+n)}emitLabelledHelper(e,t){if(this.labelledHelpers[e])this.write(this.t.call_lbl(this.labelledHelpers[e]));else{let n=this.redirectOutput(t);this.emitHelper(n,e),this.labelledHelpers[e]=this.bin.codeHelpers[n]}}emitHelper(e,t="hlp"){if(!this.bin.codeHelpers[e]){let n=Object.keys(this.bin.codeHelpers).length;this.bin.codeHelpers[e]=`_${t}_${n}`}this.write(this.t.call_lbl(this.bin.codeHelpers[e]))}pushToExprStack(e){e.totalUses=1,e.currUses=0,this.exprStack.unshift(e)}pushArg(e){this.clearStack(!0);this.exprStack.length;this.emitExpr(e),this.clearStack(!0),this.write(this.t.push_local("r0")+" ; proc-arg"),this.pushToExprStack(e)}loadFromExprStack(t,n,r=0,s=!1){let i=this.exprStack.indexOf(n);return e.assert(i>=0),this.t.load_reg_src_off(t,"sp",(i+r).toString(),!0,s)+" ; estack\n"}pushDummy(){let t=e.ir.numlit(0);t.totalUses=1,t.currUses=1,this.exprStack.unshift(t)}alignExprStack(e){let t=this.stackAlignmentNeeded(e);if(t)for(let e=0;e<t;++e)this.write("push {r5} ; align"),this.pushDummy()}emitFieldMethods(){for(let t of["get","set"]){this.write(`\n                ${this.helperObject(t)}\n                .section code\n                _pxt_map_${t}:\n                `),this.loadVTable("r4"),this.checkSubtype(this.builtInClassNo(pxt.BuiltInType.RefMap),".notmap","r4"),this.write(this.t.callCPPPush("set"==t?"pxtrt::mapSetByString":"pxtrt::mapGetByString")),this.write(".notmap:");let n="set"==t?2:1,r=!1;this.write("mov r4, r3 ; save VT"),"set"==t?(e.target.stackAlign&&(r=!0,this.write("push {lr} ; align")),this.write("\n                            push {r0, r2, lr}\n                            mov r0, r1\n                        ")):this.write("\n                            push {r0, lr}\n                            mov r0, r1\n                        "),this.write("\n                    bl pxtrt::lookupMapKey\n                    mov r1, r0 ; put key index in r1\n                    ldr r0, [sp, #0] ; restore obj pointer\n                    mov r3, r4 ; restore vt\n                    bl .dowork\n                "),this.write(this.t.pop_locals(n+(r?1:0))),this.write("pop {pc}"),this.write(".dowork:"),this.ifaceCallCore(n,t,!0)}}emitArrayMethod(t,n){this.write(`\n            ${this.helperObject(t+" "+(n?"buffer":"array"))}\n            .section code\n            _pxt_${n?"buffer":"array"}_${t}:\n            `),this.loadVTable("r4");let r=this.builtInClassNo(n?pxt.BuiltInType.BoxedBuffer:pxt.BuiltInType.RefCollection);e.target.switches.skipClassCheck||this.checkSubtype(r,".fail","r4");const s=e.isStackMachine()||e.target.runtimeIsARM||n?"ldr":"ldrh";this.write(`\n                asrs r1, r1, #1\n                bcc .notint\n                ${s} r4, [r0, #${n?4:8}]\n                cmp r1, r4\n                bhs .oob\n            `);let i="r1";n?(i="#8",this.write("\n                    adds r4, r0, r1\n                ")):this.write("\n                    lsls r1, r1, #2\n                    ldr r4, [r0, #4]\n                ");let a=n?"b":"",o=n&&"get"==t?"lsls r0, r0, #1\nadds r0, #1":"";"set"==t?this.write(`\n                        str${a} r2, [r4, ${i}]\n                        bx lr\n                    `):this.write(`\n                        ldr${a} r0, [r4, ${i}]\n                        ${o}\n                        bx lr\n                    `),this.write(`\n            .notint:\n                lsls r1, r1, #1\n                ${this.t.pushLR()}\n                push {r0, r2}\n                mov r0, r1\n                ${this.t.callCPP("pxt::toInt")}\n                mov r1, r0\n                pop {r0, r2}\n            .doop:\n                ${this.t.callCPP(`Array_::${t}At`)}\n                ${o}\n                ${this.t.popPC()}\n            `),this.writeFailBranch(),"get"==t?this.write(`\n                    .oob:\n                        movs r0, #${n?1:0} ; 0 or undefined\n                        bx lr\n                `):this.write(`\n                    .oob:\n                        ${this.t.pushLR()}\n                        b .doop\n                `)}emitArrayMethods(){for(let e of["get","set"])this.emitArrayMethod(e,!0),this.emitArrayMethod(e,!1)}emitLambdaTrampoline(){let t=e.target.stackAlign?"r3,":"";this.write(`\n            ${this.helperObject("trampoline")}\n            .section code\n            _pxt_lambda_trampoline:\n                push {${t} r4, r5, r6, r7, lr}\n                mov r4, r8\n                mov r5, r9\n                mov r6, r10\n                mov r7, r11\n                push {r4, r5, r6, r7} ; save high registers\n                mov r4, r1\n                mov r5, r2\n                mov r6, r3\n                mov r7, r0\n                `),this.emitInstanceOf(this.builtInClassNo(pxt.BuiltInType.RefAction),"validate"),this.write(`\n                mov r0, sp\n                push {r4, r5, r6, r7} ; push args and the lambda\n                mov r1, sp\n                bl pxt::pushThreadContext\n                mov r6, r0          ; save ctx or globals\n                mov r5, r7          ; save lambda for closure\n                mov r0, r5          ; also save lambda pointer in r0 - needed by pxt::bindMethod\n                ldr r1, [r5, #8]    ; ld fnptr\n                movs r4, #3         ; 3 args\n                blx r1              ; execute the actual lambda\n                mov r7, r0          ; save result\n                @dummystack 4\n                add sp, #4*4        ; remove arguments and lambda\n                mov r0, r6   ; or pop the thread context\n                bl pxt::popThreadContext\n                mov r0, r7 ; restore result\n                pop {r4, r5, r6, r7} ; restore high registers\n                mov r8, r4\n                mov r9, r5\n                mov r10, r6\n                mov r11, r7\n                pop {${t} r4, r5, r6, r7, pc}`),this.write(`\n            ${this.helperObject("exn")}\n            .section code\n            ; r0 - try frame\n            ; r1 - handler PC\n            _pxt_save_exception_state:\n                push {r0, lr}\n                ${this.t.callCPP("pxt::beginTry")}\n                pop {r1, r4}\n                str r1, [r0, #1*4] ; PC\n                mov r1, sp\n                str r1, [r0, #2*4] ; SP\n                str r5, [r0, #3*4] ; lambda ptr\n                bx r4\n                `),this.write("\n            .section code\n            ; r0 - try frame\n            ; r1 - thread context\n            _pxt_restore_exception_state:\n                mov r6, r1\n                ldr r1, [r0, #2*4] ; SP\n                mov sp, r1\n                ldr r5, [r0, #3*4] ; lambda ptr\n                ldr r1, [r0, #1*4] ; PC\n                movs r0, #1\n                orrs r1, r0\n                bx r1\n                "),this.write(`\n            ${this.helperObject("stringconv")}\n            .section code\n            _pxt_stringConv:\n            `),this.loadVTable(),this.checkSubtype(this.builtInClassNo(pxt.BuiltInType.BoxedString),".notstring"),this.write(`\n                bx lr\n\n            .notstring: ; no string, but vtable in r3\n                ldr r7, [r3, #4*${e.firstMethodOffset()-1}]\n                cmp r7, #0\n                beq .fail\n                push {r0, lr}\n                movs r4, #1\n                blx r7\n                str r0, [sp, #0]\n                b .numops\n\n            .fail: ; not an object or no toString\n                push {r0, lr}\n            .numops:\n                ${this.t.callCPP("numops::toString")}\n                pop {r1}\n                pop {pc}\n            `)}emitProcCall(t){let n=[],r=null,s="",i=t.data;if(i.proc&&i.proc.inlineBody)return this.emitExpr(i.proc.inlineSelf(t.args));let a=-1==i.virtualIndex,o=!1;for(let r of e.U.reversed(t.args)){if(r.isPure()){if(!o||r.isStateless())continue}else o=!0;n.push(r)}if(n.reverse(),n.length<=1){let e=n[0];e&&(r=e,this.clearStack(!0),this.emitExpr(e),e==t.args[t.args.length-1]?s="r0":(s="r3",this.write(this.t.mov("r3","r0")))),n=[]}else for(let e of n)this.pushArg(e);this.alignExprStack(t.args.length);let l=["r1","r2","r3","r4"],c=[];if(n.length){let e=-1;for(let t of n)e=Math.max(this.exprStack.indexOf(t),e);if(e++,e<=l.length){l=l.slice(0,e),this.write(this.t.pop_fixed(l)),c=this.exprStack.splice(0,e);let t=[];for(let r=e-1;r>=0;--r)n.indexOf(c[r])<0&&(t.push(l[r]),this.exprStack.unshift(c[r]));t.length&&this.write(this.t.push_fixed(t))}else l=null,this.write(this.t.reg_gets_imm("r7",0))}let u=e.U.reversed(t.args);a&&u.unshift(u.pop());for(let t of u)if(n.indexOf(t)>=0){if(l)this.write(this.t.push_fixed([l[c.indexOf(t)]]));else{this.write(this.loadFromExprStack("r0",t)),this.write(this.t.push_local("r0")+" ; re-push"),this.write(this.loadFromExprStack("r7",t,1,!0));let n=this.exprStack.indexOf(t),r=e.ir.numlit(0);r.currUses=1,r.totalUses=1,this.exprStack[n]=r}this.exprStack.unshift(t)}else t===r?(this.write(this.t.push_local(s)+" ; the one arg"),this.pushToExprStack(t)):this.pushArg(t);let p=this.mkLbl("_proccall"),d=-1;if(a){let e=t.args.length-1;this.write(this.loadFromExprStack("r0",t.args[0])),this.emitLabelledHelper("lambda_call"+e,(()=>{this.lambdaCall(e),this.writeFailBranch()}))}else if(null!=i.virtualIndex||null!=i.ifaceIndex)null!=i.ifaceIndex?i.isSet?(e.assert(2==t.args.length),this.emitIfaceCall(i,t.args.length,"set")):this.emitIfaceCall(i,t.args.length,i.noArgs?"get":""):this.emitClassCall(i),this.write(p+":");else{let e=i.proc;d=e.seqNo,this.write(this.t.call_lbl(e.label()+(i.isThis?"_nochk":""))),this.write(p+":")}this.calls.push({procIndex:d,stack:0,addr:0,callLabel:p}),a&&t.args[0].isStateless()?this.clearArgs([t.args[0]],t.args.slice(1)):this.clearArgs([],t.args)}lambdaCall(t){this.write("; lambda call"),this.loadVTable(),e.target.switches.skipClassCheck||this.checkSubtype(this.builtInClassNo(pxt.BuiltInType.RefAction)),this.write(`\n                movs r4, #${t}\n                ldrh r1, [r0, #4]\n                cmp r1, #0\n                bne .pushR5\n                ldr r1, [r0, #8]\n                bx r1 ; keep lr from the caller\n            .pushR5:\n                sub sp, #8\n            `);for(let e=0;e<t;++e)this.write(`ldr r1, [sp, #4*${e+2}]`),this.write(`str r1, [sp, #4*${e}]`);this.write(`\n                str r5, [sp, #4*${t}]\n                mov r1, lr\n                str r1, [sp, #4*${t+1}]\n                mov r5, r0\n                ldr r7, [r5, #8]\n                blx r7 ; exec actual lambda\n                ldr r4, [sp, #4*${t+1}] ; restore what was in LR\n                ldr r5, [sp, #4*${t}] ; restore lambda ctx\n            `);for(let e=0;e<t;++e)this.write(`ldr r1, [sp, #4*${e}]`),this.write(`str r1, [sp, #4*${e+2}]`);this.write("\n                add sp, #8\n                bx r4\n            "),this.write("; end lambda call")}emitStore(t,n){switch(t.exprKind){case e.ir.EK.CellRef:let r=t.data;if(this.emitExpr(n),r.isGlobal()){let e=this.bitSizeInfo(r.bitSize),t="#"+r.index;r.index>=e.immLimit&&(this.write(this.t.emit_int(r.index,"r1")),t="r1"),this.write(this.t.load_reg_src_off("r7","r6","#0")),this.write(this.t.load_reg_src_off("r0","r7",t,!1,!0,e))}else{let[e,t,n]=this.cellref(r);this.write(this.t.load_reg_src_off("r0",e,t,n,!0))}break;case e.ir.EK.FieldAccess:this.emitRtCall(e.ir.rtcall("dummy",[t.args[0],n]),(()=>this.emitFieldAccess(t,!0)));break;default:e.oops()}}cellref(t){if(t.isGlobal())throw e.oops();if(t.iscap){let n=t.index+3;return e.assert(0<=n&&n<32),["r5",n.toString(),!0]}if(t.isarg){return["sp","args@"+t.index.toString()+":"+this.baseStackSize,!1]}return["sp","locals@"+t.index,!1]}emitLambdaWrapper(e){if(this.write(""),this.write(".section code"),this.write(".balign 4"),e&&(this.proc.info.usedAsValue=!0),!this.proc.info.usedAsValue&&!this.proc.info.usedAsIface)return;this.proc.info.usedAsValue&&(this.write(this.proc.label()+"_Lit:"),this.write(this.t.obj_header("pxt::RefAction_vtable")),this.write(".short 0, 0 ; no captured vars"),this.write(`.word ${this.proc.label()}_args@fn`)),this.write(`${this.proc.label()}_args:`);let t=this.proc.args.length;if(0==t)return;this.write(`cmp r4, #${t}`),this.write(`bge ${this.proc.label()}_nochk`);let n=this.stackAlignmentNeeded(t+1),r=n?t+2:t+1;this.write("push {lr}"),this.emitLabelledHelper(`expand_args_${t}`,(()=>{this.write("movs r0, #0"),this.write("movs r1, #0"),n&&this.write("push {r0}");for(let e=t;e>0;e--)e!=t&&(this.write(`cmp r4, #${e}`),this.write(`blt .zero${e}`),this.write(`ldr r0, [sp, #${r-1}*4]`),this.write(`str r1, [sp, #${r-1}*4] ; clear existing`),this.write(`.zero${e}:`)),this.write("push {r0}");this.write("bx lr")})),this.write(`bl ${this.proc.label()}_nochk`);let s=t+(n?1:0);this.write(`@dummystack ${s}`),this.write(`add sp, #4*${s}`),this.write("pop {pc}")}emitCallRaw(t){let n=e.hexfile.lookupFunc(t);e.assert(!!n,"unimplemented raw function: "+t),this.alignedCall(t)}}}(e.pxtc||(e.pxtc={}))}(ts||(ts={})),function(e){!function(e){const t={"numops::adds":"+","numops::subs":"-","numops::div":"/","numops::mod":"%","numops::muls":"*","numops::ands":"&","numops::orrs":"|","numops::eors":"^","numops::bnot":"~","numops::lsls":"<<","numops::asrs":">>","numops::lsrs":">>>","numops::le":"<=","numops::lt":"<","numops::lt_bool":"<","numops::ge":">=","numops::gt":">","numops::eq":"==","pxt::eq_bool":"==","pxt::eqq_bool":"===","numops::eqq":"===","numops::neqq":"!==","numops::neq":"!="},n={"pxsim.Boolean_":"","pxsim.pxtcore":"","pxsim.String_":"","pxsim.ImageMethods":"","pxsim.Array_":"","pxsim.pxtrt":"","pxsim.numops":""},r={"pxsim.Array_.getAt":"","pxsim.Array_.length":"","pxsim.Array_.mk":"","pxsim.Array_.push":"","pxsim.Boolean_.bang":"","pxsim.String_.concat":"","pxsim.String_.stringConv":"","pxsim.numops.toBool":"","pxsim.numops.toBoolDecr":"","pxsim.pxtcore.mkAction":"","pxsim.pxtcore.mkClassInstance":"","pxsim.pxtrt.ldlocRef":"","pxsim.pxtrt.mapGetByString":"","pxsim.pxtrt.stclo":"","pxsim.pxtrt.stlocRef":""};function s(e){let t="";for(let n of Object.keys(e)){const r=n.replace(/\./g,"_");e[n]=r,t+=`const ${r} = ${n};\n`}return t}function i(e){"pxt."==(e=e.replace(/::/g,".")).slice(0,4)&&(e="pxtcore."+e.slice(4));const t="pxsim."+e;if(r.hasOwnProperty(t))return r[t];const s=t.lastIndexOf(".");if(s>0){const e=t.slice(0,s);if(n.hasOwnProperty(e))return n[e]+t.slice(s)}return t}e.isBuiltinSimOp=function(n){return!!e.U.lookup(t,n.replace(/\./g,"::"))},e.shimToJs=i;const a=["runtime","oops","doNothing","pxsim","globals","maybeYield","setupDebugger","isBreakFrame","breakpoint","trace","checkStack","leave","checkResumeConsumed","setupResume","setupLambda","checkSubtype","failedCast","buildResume","mkVTable","bind","leaveAccessor"];e.jsEmit=function(o,l){let c="(function (ectx) {\n'use strict';\n";for(let e of a)c+=`const ${e} = ectx.${e};\n`;c+="const __this = runtime;\n",c+="const pxtrt = pxsim.pxtrt;\n",c+="let yieldSteps = 1;\n",c+="ectx.setupYield(function() { yieldSteps = 100; })\n",c+="pxsim.setTitle("+JSON.stringify(o.getTitle())+");\n";let u={},p={};for(let e of l.configData||[])u[e.key+""]=e.value,p[e.name]=e.key;c+="pxsim.setConfigData("+JSON.stringify(u,null,1)+", "+JSON.stringify(p,null,1)+");\n",c+="pxtrt.mapKeyNames = "+JSON.stringify(o.ifaceMembers,null,1)+";\n";const d=o.setPerfCounters(["SysScreen"]);c+="__this.setupPerfCounters("+JSON.stringify(d,null,1)+");\n",c+=s(r),c+=s(n);let f=0,m=0;o.procs.forEach((n=>{let r;n.cachedJS?(r=n.cachedJS,f+=r.length):(r=function(n,r){if(r.cachedJS)return r.cachedJS;let s="",a=e=>{s+=e+"\n"},o=e=>{s+="    "+e+"\n"},l=e.ir.EK,c=[],u=0,p={},d="";a(`\nfunction ${r.label()}(s) {\nlet r0 = s.r0, step = s.pc;\ns.pc = -1;\n`),r.perfCounterNo&&a(`if (step == 0) __this.startPerfCounter(${r.perfCounterNo});\n`);a("\nwhile (true) {\nif (yieldSteps-- < 0 && maybeYield(s, step, r0) || runtime !== pxsim.runtime) return null;\nswitch (step) {\n  case 0:\n"),r.locals.forEach((e=>{o(`${y(e)} = 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t.data)return t.data+"";throw e.oops("invalid data: "+typeof t.data);case l.PointerLiteral:if(t.ptrlabel())return t.ptrlabel().lblId+"";if(null!=t.hexlit())return d+=`const ${t.data} = pxsim.BufferMethods.createBufferFromHex("${t.hexlit()}")\n`,t.data;if("string"==typeof t.jsInfo)return t.jsInfo;e.U.oops();case l.SharedRef:let n=t.args[0];e.U.assert(!!n.currUses),e.U.assert(n.currUses<n.totalUses),n.currUses++;let r=c.indexOf(n);return e.U.assert(r>=0),"s.tmp_"+r;case l.CellRef:return y(t.data);default:throw e.oops()}}function w(e){switch(e.exprKind){case l.JmpValue:o("// jmp value (already in r0)");break;case l.Nop:o("// nop");break;case l.FieldAccess:let t=e.data,n=t.shimName,r=T(e.args[0]);return n?void o(`r0 = ${r}${n};`):void o(`r0 = ${r}.fields["${t.name}"];`);case l.Store:return K(e.args[0],e.args[1]);case l.RuntimeCall:return N(e);case l.ProcCall:return _(e);case l.SharedDef:return v(e);case l.Sequence:return e.args.forEach(w);case l.InstanceOf:return w(e.args[0]),void $(e.data,e.jsInfo);default:o(`r0 = ${I(e)};`)}}function E(e,t="r0"){return`checkSubtype(${t}, ${`${e.id}_VT`})`}function $(t,n,r="r0"){"bool"==n?o(`r0 = ${E(t)};`):"validate"==n?o(`if (!${E(t,r)}) failedCast(${r});`):e.U.oops()}function v(t){let n=t.args[0];if(e.U.assert(n.totalUses>=1),e.U.assert(0===n.currUses),n.currUses=1,1==n.totalUses)return w(n);{const e=c.length;c.push(n);let t=T(n);"r0"!=t&&(t="r0 = "+t),o(`s.tmp_${e} = ${t};`)}}function N(n){let r=e.ir.flattenArgs(n.args);r.precomp.forEach(w);let s=n.data,l=r.flattened.map(I);if("langsupp::ignore"==s)return;let c="";if(c="."==s[0]?`${l[0]}${s}(${l.slice(1).join(", ")})`:"="==s[0]?`(${l[0]})${s.slice(1)} = (${l[1]})`:e.U.startsWith(s,"new ")?`new ${i(s.slice(4))}(${l.join(", ")})`:e.U.lookup(t,s)?2==l.length?`(${l[0]} ${e.U.lookup(t,s)} ${l[1]})`:`(${e.U.lookup(t,s)} ${l[0]})`:`${i(s)}(${l.join(", ")})`,0==n.callingConvention)o(`r0 = ${c};`);else{let e=++f;m.push(e),"String_::stringConv"==s&&o(`if ((${l[0]}) && 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${p};`;if(null!=s.callLocationIndex&&(h=`s.callLocIdx = ${s.callLocationIndex}; ${h}`),null!=s.ifaceIndex){e.U.assert(null==i);const r=n.ifaceMembers[s.ifaceIndex];e.U.assert(!!r,`no name for ${s.ifaceIndex}`),o(`if (!${p}.arg0.vtable.iface) {`);let a=t.args.map(((e,t)=>`${p}.arg${t}`));a.splice(1,0,JSON.stringify(r));const l=`pxsim_pxtrt.map${s.isSet?"Set":"Get"}ByString`;s.noArgs?o(`  s.retval = ${l}(${a.join(", ")});`):(e.U.assert(!s.isSet),o(`  setupLambda(${p}, ${l}(${a.slice(0,2).join(", ")}), ${t.args.length});`),o(`  ${h}`)),o("} else {"),o(`  ${p}.fn = ${p}.arg0.vtable.iface["${s.isSet?"set/":""}${r}"];`);let c=`${p}.arg0.fields["${r}"]`;s.isSet?(o(`  if (${p}.fn === null) { ${c} = ${p}.arg1; }`),o(`  else if (${p}.fn === undefined) { failedCast(${p}.arg0) } `)):s.noArgs?(o(`  if (${p}.fn == null) { s.retval = ${c}; }`),o(`  else if (!${p}.fn.isGetter) { s.retval = bind(${p}); }`)):(o(`  if (${p}.fn == null) { setupLambda(${p}, ${c}, ${t.args.length}); ${h} }`),o(`  else if (${p}.fn.isGetter) { ${p}.stage2Call = true; ${h}; }`)),o(` else { ${h} }`),o("}"),h=""}else if(-1==s.virtualIndex)e.U.assert(null==i),o(`setupLambda(${p}, ${p}.argL);`);else if(null!=s.virtualIndex){e.U.assert(null==i),e.assert(s.virtualIndex>=0),$(s.classInfo,"validate",p+".arg0");const t=s.classInfo.vtable[s.virtualIndex];o(`${p}.fn = ${p}.arg0.vtable.methods.${t.getName()};`)}else e.U.assert(null!=i);h&&o(h),a(`  case ${d}:`),o("r0 = s.retval;"),l.currUses=1}function A(t){switch(t){case 0:return"";case 1:return"pxtrt.toInt8";case 3:return"pxtrt.toInt16";case 5:return"pxtrt.toInt32";case 2:return"pxtrt.toUInt8";case 4:return"pxtrt.toUInt16";case 6:return"pxtrt.toUInt32";default:throw e.oops()}}function K(t,n){switch(t.exprKind){case l.CellRef:let r=t.data,s=T(n);o(`${y(r)} = ${A(r.bitSize)}(${s});`);break;case l.FieldAccess:let i=t.data,a=i.shimName;a||(a=`.fields["${i.name}"]`),w(e.ir.rtcall("="+a,[t.args[0],n]));break;default:e.oops()}}function C(){for(let t of c)t.totalUses!==t.currUses&&e.oops();u=Math.max(c.length,u),c=[]}}(o,n),m+=r.length),c+="\n"+r+"\n"})),c+=e.U.values(o.codeHelpers).join("\n")+"\n",o.usedClassInfos.forEach((t=>{c+=function(t){e.U.assert(void 0!==t.classNo),e.U.assert(void 0!==t.lastSubtypeNo);let n=parseInt(t.attrs.maxBgInstances);n||(n=null);let r=`const ${t.id}_VT = mkVTable({\n  name: ${JSON.stringify(e.getName(t.decl))},\n  numFields: ${t.allfields.length},\n  classNo: ${t.classNo},\n  lastSubtypeNo: ${t.lastSubtypeNo},\n  maxBgInstances: ${n},\n  methods: {\n`;for(let e of t.vtable)r+=`    "${e.getName()}": ${e.label()},\n`;r+="  },\n",r+="  iface: {\n";for(let e of t.itable)r+=`    "${e.name}": ${e.proc?e.proc.label():"null"},\n`,e.setProc?r+=`    "set/${e.name}": ${e.setProc.label()},\n`:e.proc||(r+=`    "set/${e.name}": null,\n`);return r+="  },\n",t.toStringMethod&&(r+="  toStringMethod: "+t.toStringMethod.label()+",\n"),r+="});\n",r}(t)})),l.breakpoints&&(c+=`\nconst breakpoints = setupDebugger(${l.breakpoints.length}, [${o.globals.filter((e=>e.isUserVariable)).map((e=>`"${e.uniqueName()}"`)).join(",")}])\n`),c+=`\nreturn ${o.procs[0]?o.procs[0].label():"null"}\n})\n`;const h=c.length,g=e=>(100*e/h).toFixed(2)+"%",b=`// total=${c.length} new=${g(m)} cached=${g(f)} other=${g(h-m-f)}\n`;o.writeFile(e.BINARY_JS,b+c)}}(e.pxtc||(e.pxtc={}))}(ts||(ts={})),function(e){!function(e){e.thumbCmpMap={"numops::lt":"_cmp_lt","numops::gt":"_cmp_gt","numops::le":"_cmp_le","numops::ge":"_cmp_ge","numops::eq":"_cmp_eq","numops::eqq":"_cmp_eqq","numops::neq":"_cmp_neq","numops::neqq":"_cmp_neqq"};const t={"numops::adds":"_numops_adds","numops::subs":"_numops_subs","numops::orrs":"_numops_orrs","numops::eors":"_numops_eors","numops::ands":"_numops_ands","numops::lsls":"_numops_lsls","numops::asrs":"_numops_asrs","numops::lsrs":"_numops_lsrs","pxt::toInt":"_numops_toInt","pxt::fromInt":"_numops_fromInt"};class n extends e.AssemblerSnippets{stackAligned(){return e.target.stackAlign&&e.target.stackAlign>1}pushLR(){return this.stackAligned()?"push {lr, r5}  ; r5 for align":"push {lr}"}popPC(){return this.stackAligned()?"pop {pc, r5}  ; r5 for align":"pop {pc}"}nop(){return"nop"}mov(e,t){return`mov ${e}, ${t}`}helper_ret(){return"bx r4"}reg_gets_imm(e,t){return`movs ${e}, #${t}`}push_fixed(e){return"push {"+e.join(", ")+"}"}pop_fixed(e){return"pop {"+e.join(", ")+"}"}proc_setup(e,t){let n="";if(e>0){n+="    movs r0, #0\n";for(let t=0;t<e;++t)n+="    push {r0} ;loc\n"}return n}proc_return(){return"pop {pc}"}debugger_stmt(t){return e.oops(),`\n    @stackempty locals\n    ldr r0, [r6, #0] ; debugger\n    subs r0, r0, #4  ; debugger\n${t}:\n    ldr r0, [r0, #0] ; debugger\n`}debugger_bkpt(t){return e.oops(),`\n    @stackempty locals\n    ldr r0, [r6, #0] ; brk\n${t}:\n    ldr r0, [r0, #0] ; brk\n`}debugger_proc(t){return e.oops(),`\n    ldr r0, [r6, #0]  ; brk-entry\n    ldr r0, [r0, #4]  ; brk-entry\n${t}:`}push_local(e){return`push {${e}}`}push_locals(e){return`sub sp, #4*${e} ; push locals ${e} (align)`}pop_locals(e){return`add sp, #4*${e} ; pop locals ${e}`}unconditional_branch(e){return"bb "+e}beq(e){return"beq "+e}bne(e){return"bne "+e}cmp(e,t){return"cmp "+e+", "+t}cmp_zero(e){return"cmp "+e+", #0"}load_reg_src_off(e,t,n,r,s,i){n=n.replace(/:\d+$/,""),r&&(n=`#4*${n}`);let a="str",o="ldr";return i&&(32==i.immLimit?a="strb":64==i.immLimit&&(a="strh"),o=i.needsSignExt?a.replace("str","ldrs"):a.replace("str","ldr")),s?`${a} ${e}, [${t}, ${n}]`:`${o} ${e}, [${t}, ${n}]`}rt_call(e,t,n){return e+" "+t+", "+n}alignedCall(e,t){return t?`${this.push_locals(t)}\nbl ${e}\n${this.pop_locals(t)}`:"bl "+e}call_lbl(n,r,s){let i=e.U.lookup(t,n);return i&&(n=i,r=!1),!r&&n.indexOf("::")>0&&(r=!0),r?this.callCPP(n,s):this.alignedCall(n,s)}call_reg(e){return"blx "+e}helper_prologue(){return`\n    @stackmark args\n    ${this.pushLR()}\n`}helper_epilogue(){return`\n    ${this.popPC()}\n    @stackempty args\n`}load_ptr_full(t,n){return e.assert(!!t),`\n    ldlit ${n}, ${t}\n`}load_vtable(e,t){return`ldr ${e}, [${t}, #0]`}lambda_init(){return"\n    mov r5, r0\n    mov r4, lr\n    bl pxtrt::getGlobalsPtr\n    mov r6, r0\n    bx r4\n"}saveThreadStack(){return"mov r7, sp\n    str r7, [r6, #4]\n"}restoreThreadStack(){return e.target.switches.gcDebug?"movs r7, #0\n    str r7, [r6, #4]\n":""}callCPPPush(e){return this.pushLR()+"\n"+this.callCPP(e)+"\n"+this.popPC()+"\n"}callCPP(e,t){return this.saveThreadStack()+this.alignedCall(e,t)+"\n"+this.restoreThreadStack()}inline_decr(e){return`\n    lsls r1, r0, #30\n    bne .tag${e}\n    bl _pxt_decr\n.tag${e}:\n`}arithmetic(){let t="";const n=e=>{let t=".boxed:\n";return t+=`\n                    ${this.pushLR()}\n                    push {r0, r1}\n                    ${this.saveThreadStack()}\n                    ${e}\n                    ${this.restoreThreadStack()}\n                    add sp, #8\n                    ${this.popPC()}\n                `,t},r=e=>{t+=`\n_numops_${e}:\n    @scope _numops_${e}\n    lsls r2, r0, #31\n    beq .boxed\n    lsls r2, r1, #31\n    beq .boxed\n`},s=e=>{t+="    blx lr\n",t+=n(`bl numops::${e}`)};for(let e of["adds","subs"])r(e),t+=`\n    subs r2, r1, #1\n    ${e} r2, r0, r2\n    bvs .boxed\n    movs r0, r2\n`,s(e);for(let e of["ands","orrs","eors"])r(e),t+=`    ${e} r0, r1\n`,"eors"==e&&(t+="    adds r0, r0, #1\n"),s(e);for(let e of["lsls","lsrs","asrs"])r(e),t+="\n    ; r3 := (r1 >> 1) & 0x1f\n    lsls r3, r1, #26\n    lsrs r3, r3, #27\n","asrs"==e?t+="\n    asrs r0, r3\n    movs r2, #1\n    orrs r0, r2\n":(t+="lsrs"==e?"\n    asrs r2, r0, #1\n    lsrs r2, r3\n    lsrs r3, r2, #30\n    bne .boxed\n":"\n    asrs r2, r0, #1\n    lsls r2, r3\n    lsrs r3, r2, #30\n    beq .ok\n    cmp r3, #3\n    bne .boxed\n.ok:\n",t+="\n    lsls r0, r2, #1\n    adds r0, r0, #1\n"),s(e);t+=`\n@scope _numops_toInt\n_numops_toInt:\n    asrs r0, r0, #1\n    bcc .over\n    blx lr\n.over:\n    lsls r0, r0, #1\n    ${this.callCPPPush("pxt::toInt")}\n\n_numops_fromInt:\n    lsls r2, r0, #1\n    asrs r1, r2, #1\n    cmp r0, r1\n    bne .over2\n    adds r0, r2, #1\n    blx lr\n.over2:\n    ${this.callCPPPush("pxt::fromInt")}\n`;for(let r of Object.keys(e.thumbCmpMap))r=r.replace(/.*::/,""),t+=`\n.section code\n.object _pxt_helper_cmp_${r}\n_cmp_${r}:\n    lsls r2, r0, #31\n    beq .boxed\n    lsls r2, r1, #31\n    beq .boxed\n    subs r0, r1\n    b${r.replace("qq","q").replace("neq","ne")} .true\n.false:\n    movs r0, #0\n    bx lr\n.true:\n    movs r0, #1\n    bx lr\n`,t+=n(`\n                        bl numops::${r}\n                        bl numops::toBoolDecr\n                        cmp r0, #0`);return t}emit_int(t,n){let r=!1;function s(t){e.assert(0<=t&&t<=255);let s="";return r?t&&(s=`adds ${n}, #${t}\n`):s=`movs ${n}, #${t}\n`,r=!0,s}function i(e=8){return`lsls ${n}, ${n}, #${e}\n`}e.assert(null!=t);let a=Math.floor(t),o=!1;a<0&&(o=!0,a=-a);let l=0;if(a>255){let t=a;for(;0==(1&t);)t>>>=1,l++;e.numBytes(t)<e.numBytes(a)?a=t:l=0}let c="";switch(e.numBytes(a)){case 4:c+=s(a>>>24&255),c+=i();case 3:c+=s(a>>>16&255),c+=i();case 2:c+=s(a>>>8&255),c+=i();case 1:c+=s(255&a);break;default:e.oops()}return l&&(c+=i(l)),o&&(c+=`negs ${n}, ${n}\n`),c.split("\n").length>4?`ldlit ${n}, ${Math.floor(t)}\n`:c}}e.ThumbSnippets=n}(e.pxtc||(e.pxtc={}))}(ts||(ts={})),function(e){!function(t){const n={"pxtrt::mapSetGeneric":"mapset","pxtrt::mapGetGeneric":"mapget"},r={};function s(e,n,r){const s=t.computeHashMultiplier(e.itable.map((e=>e.idx))),i=t.U.toArray(s.mapping);for(;3&i.length;)i.push(0);let a=`\n${l(e)}_start:\n        .short ${8*e.allfields.length+8}  ; size in bytes\n        .byte ${pxt.ValTypeObject}, ${pxt.VTABLE_MAGIC} ; magic\n        .short ${i.length} ; entries in iface hashmap\n        .short ${e.lastSubtypeNo||e.classNo} ; last sub class-id\n        .short ${e.classNo} ; class-id\n        .short 0 ; reserved\n        .word ${s.mult} ; hash-mult\n`;c()?a+="\n            .word pxt::RefRecord_destroy\n            .word pxt::RefRecord_print\n            .word pxt::RefRecord_scan\n            .word pxt::RefRecord_gcsize\n            .word 0,0,0,0 ; keep in sync with VM_NUM_CPP_METHODS\n":a+="\n            .word 0,0, 0,0, 0,0, 0,0 ; space for 4 (VM_NUM_CPP_METHODS) native methods\n",a+=`\n        .balign 4\n${e.id}_IfaceVT:\n`;const o=i.length>>2;let u="",p=o,d={};for(let t of e.itable){d[t.idx+""]=p;const e=t.proc?t.proc.isGetter()?1:2:0;u+=`  .short ${t.idx}, ${e} ; ${t.name}\n`,u+=`  .word ${t.proc?t.proc.vtLabel()+"@fn":t.info}\n`,p+=1,t.setProc&&(u+=`  .short ${t.idx}, 2 ; set ${t.name}\n`,u+=`  .word ${t.setProc.vtLabel()}@fn\n`,p+=1)}u+="  .word 0, 0, 0, 0 ; the end\n",p+=1;for(let e=0;e<i.length;++e)r.itEntries++,i[e]&&r.itFullEntries++;return a+="  .short "+t.U.toArray(i).map(((e,t)=>d[e+""]||o)).join(", ")+"\n",a+=u,a+="\n",a}let i;function a(e){const t=e.getTime()/1e3;return`${t>>>0}, ${t/4294967296|0}`}!function(e){e[e.Invalid=0]="Invalid",e[e.InfoHeader=1]="InfoHeader",e[e.OpCodeMap=2]="OpCodeMap",e[e.NumberLiterals=3]="NumberLiterals",e[e.ConfigData=4]="ConfigData",e[e.IfaceMemberNames=5]="IfaceMemberNames",e[e.NumberBoxes=6]="NumberBoxes",e[e.Function=32]="Function",e[e.Literal=33]="Literal",e[e.VTable=34]="VTable"}(i||(i={}));let o={};function l(e){return e.classNo||(o[e.id]=e),e.id+"_VT"}function c(){return t.target.useESP}function u(e){return c()?`0xffffffff, ${e}`:`0xffffffff, 0xffffffff ; -> ${e}`}t.vmEmit=function(p,d,f){let m=`; VM start\n_img_start:\n${t.hexfile.hexPrelude()}\n`;o={};const h={dblText:[],dblBoxText:[],dbls:{},opcodeMap:{},opcodes:t.vm.opcodes.map((e=>"pxt::op_"+e.replace(/ .*/,"")))};for(h.opcodes.unshift(null);h.opcodes.length<128;)h.opcodes.push(null);let g=0;function b(e,t,n,r,s=0){if(m+=`\n; --- ${e}\n.section code\n    .set ${e} = ${g}\n`,r)for(let e of r)m+=`    .set ${e} = ${g}\n`;m+=`\n_start_${e}:\n    .byte ${t}, 0x00\n    .short ${s}\n    .word _end_${e}-_start_${e}\n`,m+=n(),m+=`\n.balign 8\n_end_${e}:\n`,g++}const x=new Date(0);let y=t.U.toUTF8(d.name,!0);y.length>100&&(y=y.slice(0,100));let k=y.length+1;1&k&&k++;const S=128-k;b("_info",i.InfoHeader,(()=>`\n                ; magic - \\0 added by assembler\n                .string "\\nPXT64\\n"\n                .hex 5471fe2b5e213768 ; magic\n                .hex ${t.hexfile.hexTemplateHash()} ; hex template hash\n                .hex 0000000000000000 ; @SRCHASH@\n                .word ${p.globalsWords}   ; num. globals\n                .word ${p.nonPtrGlobals} ; non-ptr globals\n                .word 0, 0 ; last usage time\n                .word ${a(x)} ; installation time\n                .word ${a(x)} ; publication time - TODO\n                .word _img_end-_img_start ; total image size\n                .space 60 ; reserved\n                .string ${JSON.stringify(y)}\n                .space ${S} ; pad to 128 bytes\n`)),p.procs.forEach((e=>{b(e.label(),i.Function,(()=>function(e,s,i){let a="";const o=e=>{a+=e+"\n"},p=e=>{a+="    "+e+"\n"},d=t.ir.EK;let f=[],m=[],h=!1,g=0,b=0;const x=8388607;pxt.options.debug&&console.log("EMIT",i.toString());y(),a="";for(let e of f)e.reset();return h=!0,t.U.assert(0==b),y(),a;function y(){o(`;\n; ${i.getFullName()}\n;`),p(".section code"),s.procs[0]==i&&o("; main"),p(`.word ${u("pxt::RefAction_vtable")}`),p(`.short 0, ${i.args.length} ; #args`),p(`.short ${i.captured.length}, 0 ; #cap`),p(".word .fnstart-_img_start, 0  ; func+possible padding"),g=i.locals.length+m.length,p(".fnstart:"),p(`pushmany ${g} ; incl. ${m.length} tmps`);for(let e of i.body)switch(e.stmtKind){case t.ir.SK.Expr:E(e.expr);break;case t.ir.SK.StackEmpty:_();for(let e of m)e&&t.oops(`uses: ${e.currUses}/${e.totalUses} ${e.toString()}`);break;case t.ir.SK.Jmp:k(e);break;case t.ir.SK.Label:o(`${e.lblName}:`);break;case t.ir.SK.Comment:o(`; ${e.expr.data}`);break;case t.ir.SK.Breakpoint:break;default:t.oops()}p(`ret ${i.args.length}, ${g}`)}function k(e){let n=e.lbl.lblName;e.jmpMode==t.ir.JmpMode.Always?(e.expr&&E(e.expr),p(`jmp ${n}`)):(E(e.expr),e.jmpMode==t.ir.JmpMode.IfNotZero?p(`jmpnz ${n}`):e.jmpMode==t.ir.JmpMode.IfZero?p(`jmpz ${n}`):t.oops())}function S(e){if(e.isGlobal())return t.U.assert(0==(3&e.index)),"glb "+(e.index>>2)+` ; ${e.getName()}`;if(e.iscap)return"cap "+e.index+` ; ${e.getName()}`;if(e.isarg){let n=i.args.length-e.index-1;return t.assert(n>=0,"arg#"+n),`loc ${b+g+2+n} ; ${e.getName()}`}{let n=e.index+m.length;return t.assert(!h||n<g,"cell#"+n),t.assert(n>=0,"cell#"+n),`loc ${b+n}`}}function T(n){const r=t.hexfile.lookupFunc(n);r||t.U.oops("missing function: "+n);let s=e.opcodeMap[r.name];null==s&&(s=e.opcodes.length,e.opcodes.push(r.name),e.opcodeMap[r.name]=s,r.value=s),p(`callrt ${n}`)}function I(e,n){"bool"==n?p(`checkinst ${l(e)}`):t.U.oops()}function w(n){switch(n.exprKind){case d.NumberLiteral:const 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function(e,t){const r=t?e.pyQName:e.qName;if(6===e.kind)return n(`enum ${r}`,t);let s=`(enum member) ${r}`;e.attributes.enumval&&(s+=` = ${e.attributes.enumval}`);return n(s,!1)}(e,r);case 5:return function(e,t){return n(`namespace ${t?e.pyQName:e.qName}`,!1)}(e,r);case 9:return function(e,t){return n(`interface ${t?e.pyQName:e.qName}`,!1)}(e,r);case 8:return function(e,t){return n(`class ${t?e.pyQName:e.qName}`,t)}(e,r);case 4:return function(e,r,s){let i=r?e.pyQName:`let ${e.qName}`;if(e.retType){let a=e.retType;return r&&(a=t(a,s)),n(`${i}: ${a}`,r)}return n(i,r)}(e,r,s);case 2:return function(e,r,s){const i=`(property) ${r?e.pyQName:e.qName}`;if(e.retType){let a=e.retType;return r&&(a=t(a,s)),n(`${i}: ${a}`,!1)}return n(i,!1)}(e,r,s)}return`**${e.qName}**`}},e.displayStringForKeyword=function(e,t){return`\`\`\`${t?"py":"ts"}\n(keyword) ${e}\n\`\`\``}}(e.service||(e.service={}))}(e.pxtc||(e.pxtc={}))}(ts||(ts={})),function(e){!function(e){!function(t){const n={r0:0,r1:1,r2:2,r3:3,r4:4,r5:5,r6:6,r7:7,r8:8,r9:9,r10:10,r11:10,r12:12,sp:13,r13:13,lr:14,r14:14,pc:15,r15:15};class r extends e.assembler.AbstractProcessor{constructor(){super(),this.addEnc("$r0","R0-7",(e=>this.inrange(7,e,e))),this.addEnc("$r1","R0-7",(e=>this.inrange(7,e,e<<3))),this.addEnc("$r2","R0-15",(e=>this.inrange(15,e,7&e|(8&e)<<4))),this.addEnc("$r3","R0-15",(e=>this.inrange(15,e,e<<3))),this.addEnc("$r4","R0-7",(e=>this.inrange(7,e,e<<6))),this.addEnc("$r5","R0-7",(e=>this.inrange(7,e,e<<8))),this.addEnc("$r01","R0-7",(e=>this.inrange(7,e,e|e<<3))),this.addEnc("$i0","#0-255",(e=>this.inrange(255,e,e))),this.addEnc("$i1","#0-1020",(e=>this.inrange(255,e/4,e>>2))),this.addEnc("$i2","#0-510",(e=>this.inrange(127,e/4,e>>2))),this.addEnc("$i3","#0-7",(e=>this.inrange(7,e,e<<6))),this.addEnc("$i4","#0-31",(e=>this.inrange(31,e,e<<6))),this.addEnc("$i5","#0-124",(e=>this.inrange(31,e/4,e>>2<<6))),this.addEnc("$i6","#1-32",(e=>0==e?null:32==e?0:this.inrange(31,e,e<<6))),this.addEnc("$i7","#0-62",(e=>this.inrange(31,e/2,e>>1<<6))),this.addEnc("$i32","#0-2^32",(e=>1)),this.addEnc("$rl0","{R0-7,...}",(e=>this.inrange(255,e,e))),this.addEnc("$rl1","{LR,R0-7,...}",(e=>16384&e?this.inrange(255,-16385&e,256|255&e):this.inrange(255,e,e))),this.addEnc("$rl2","{PC,R0-7,...}",(e=>32768&e?this.inrange(255,-32769&e,256|255&e):this.inrange(255,e,e))),this.addEnc("$la","LABEL",(e=>this.inrange(255,e/4,e>>2))).isWordAligned=!0,this.addEnc("$lb","LABEL",(e=>this.inrangeSigned(127,e/2,e>>1))),this.addEnc("$lb11","LABEL",(e=>this.inrangeSigned(1023,e/2,e>>1))),this.addInst("adcs 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$i4]",28672,63488),this.addInst("strb  $r0, [$r1, $r4]",21504,65024),this.addInst("strh  $r0, [$r1, $i7]",32768,63488),this.addInst("strh  $r0, [$r1, $r4]",20992,65024),this.addInst("sub   sp, $i2",45184,65408),this.addInst("subs  $r0, $r1, $i3",7680,65024),this.addInst("subs  $r0, $r1, $r4",6656,65024),this.addInst("subs  $r01, $r4",6656,65024),this.addInst("subs  $r5, $i0",14336,63488),this.addInst("svc   $i0",57088,65280),this.addInst("sxtb  $r0, $r1",45632,65472),this.addInst("sxth  $r0, $r1",45568,65472),this.addInst("tst   $r0, $r1",16896,65472),this.addInst("udf   $i0",56832,65280),this.addInst("uxtb  $r0, $r1",45760,65472),this.addInst("uxth  $r0, $r1",45696,65472),this.addInst("wfe",48928,65535),this.addInst("wfi",48944,65535),this.addInst("yield",48912,65535),this.addInst("cpsid i",46706,65535),this.addInst("cpsie i",46690,65535),this.addInst("beq   $lb",53248,65280),this.addInst("bne   $lb",53504,65280),this.addInst("bcs   $lb",53760,65280),this.addInst("bcc   $lb",54016,65280),this.addInst("bmi   $lb",54272,65280),this.addInst("bpl   $lb",54528,65280),this.addInst("bvs   $lb",54784,65280),this.addInst("bvc   $lb",55040,65280),this.addInst("bhi   $lb",55296,65280),this.addInst("bls   $lb",55552,65280),this.addInst("bge   $lb",55808,65280),this.addInst("blt   $lb",56064,65280),this.addInst("bgt   $lb",56320,65280),this.addInst("ble   $lb",56576,65280),this.addInst("bhs   $lb",53760,65280),this.addInst("blo   $lb",54016,65280),this.addInst("b     $lb11",57344,63488),this.addInst("bal   $lb11",57344,63488),this.addInst("bl    $lb",61440,63488,!0),this.addInst("bb    $lb",57344,63488,!0),this.addInst("ldlit   $r5, $i32",18432,63488)}toFnPtr(t,n,r){return e.target.runtimeIsARM&&/::/.test(r)?t+n&-2:t+n|1}wordSize(){return 4}is32bit(e){return"bl"==e.name||"bb"==e.name}postProcessAbsAddress(e,t){return t^=1,t-=e.baseOffset}emit32(t,n,r){let s=!!(n%2);s&&(n=n+1&-4);let i=n>>1;if(e.assert(null!=i),(0|i)!=i||!(-2097152<i&&i<2097152))return e.assembler.emitErr("jump out of range",r);let a=2047&i,o=i>>11&1023;return{opcode:4026531840&i?62464|o:61440|o,opcode2:s?59392|a:63488|a,stack:0,numArgs:[n],labelName:r}}expandLdlit(t){let n,r=!1,s=[],i={},a=1;for(let o=0;o<t.lines.length;++o){let l=t.lines[o];if(s.push(l),"instruction"==l.type&&l.instruction&&"ldlit"==l.instruction.name){if(!n){let e=l.location+900,s=o+1;for(;s<t.lines.length&&!(t.lines[s].location>e);++s){let e=t.lines[s].getOp();("b"==e||"bb"==e||"pop"==e&&"pc"==t.lines[s].words[2])&&(n=t.lines[s])}if(n)r=!1;else for(r=!0;--s>o;)if("instruction"==t.lines[s].type){n=t.lines[s];break}}let s=l.words[1],c="#"+l.words[3],u=e.U.lookup(i,c);u||(u="_ldlit_"+ ++a,i[c]=u),l.ldlitLabel=l.words[3],l.update(`ldr ${s}, ${u} ; ${l.ldlitLabel}`)}if(l===n){n=null;let e=[],o="_jmpwords_"+ ++a;r&&e.push("bb "+o),e.push(".object PUSH"),e.push(".balign 4");for(let t of Object.keys(i)){let n=i[t];e.push(n+": .word "+t.slice(1))}r&&e.push(o+":"),e.push(".object POP");for(let n of e){t.buildLine(n,s);let e=s[s.length-1];e.scope=l.scope,e.lineNo=l.lineNo}i={}}}t.lines=s}getAddressFromLabel(e,t,n,r=!1){let s=e.lookupLabel(n);if(null==s)return null;let i=e.location()+4;return r&&(i&=4294967292),s-i}isPop(e){return 48128==e}isPush(e){return 46080==e}isAddSP(e){return 45056==e}isSubSP(e){return 45184==e}peephole(t,n,r){let i=this.encoders.$lb11,a=this.encoders.$lb;function o(e,t){return null!=e.encode(t.numArgs[0]+8)&&null!=e.encode(t.numArgs[0]-8)&&null!=e.encode(t.numArgs[0])}let l=t.getOp(),c=!1;"bne"!=l&&"beq"!=l||("b"==n.getOp()&&0==t.numArgs[0]&&(c=!0),"bb"==n.getOp()&&2==t.numArgs[0]&&(c=!0)),"bb"==l&&o(i,t)?t.update("b "+t.words[1]):"b"==l&&-2==t.numArgs[0]?t.update(""):"bne"==l&&c&&o(a,n)?(t.update("beq "+n.words[1]),n.update("")):"beq"==l&&c&&o(a,n)?(t.update("bne "+n.words[1]),n.update("")):"push"!=l||16384!=t.numArgs[0]||"push"!=n.getOp()||16384&n.numArgs[0]?"pop"==l&&"pop"==n.getOp()&&32768==n.numArgs[0]?(t.update(t.text.replace("}",", pc}")),n.update("")):"push"==l&&"pop"==n.getOp()&&t.numArgs[0]==n.numArgs[0]?(e.assert(t.numArgs[0]>0),t.update(""),n.update("")):"push"==l&&"pop"==n.getOp()&&4==t.words.length&&4==n.words.length?(e.assert("{"==t.words[1]),t.update("mov "+n.words[2]+", "+t.words[2]),n.update("")):r&&"movs $r5, $i0"==t.getOpExt()&&"mov $r0, $r1"==n.getOpExt()&&t.numArgs[0]==n.numArgs[1]&&function(e,t){return!!("pop"==e.getOp()&&e.numArgs[0]&1<<t)}(r,t.numArgs[0])?(t.update("movs r"+n.numArgs[0]+", #"+t.numArgs[1]),n.update("")):"pop"==l&&s(t)>=0&&"push"==n.getOp()&&s(t)==s(n)?(t.update("ldr r"+s(t)+", [sp, #0]"),n.update("")):"push"==l&&"ldr $r5, [sp, $i1]"==n.getOpExt()&&s(t)==n.numArgs[0]&&0==n.numArgs[1]?n.update(""):r&&"push"==l&&s(t)>=0&&function(e,t){return"movs $r5, $i0"==e.getOpExt()&&e.numArgs[0]!=t}(n,s(t))&&"pop"==r.getOp()&&s(t)==s(r)&&(t.update(""),r.update("")):(t.update(n.text.replace("{","{lr, ")),n.update(""))}registerNo(e){if(!e)return null;e=e.toLowerCase();const t=n[e];return void 0===t?null:t}testAssembler(){e.assembler.expectError(this,"lsl r0, r0, #8"),e.assembler.expectError(this,"push {pc,lr}"),e.assembler.expectError(this,"push {r17}"),e.assembler.expectError(this,"mov r0, r1 foo"),e.assembler.expectError(this,"movs r14, #100"),e.assembler.expectError(this,"push {r0"),e.assembler.expectError(this,"push lr,r0}"),e.assembler.expectError(this,"pop {lr,r0}"),e.assembler.expectError(this,"b #+11"),e.assembler.expectError(this,"b #+102400"),e.assembler.expectError(this,"bne undefined_label"),e.assembler.expectError(this,".foobar"),e.assembler.expect(this,"0200      lsls    r0, r0, #8\nb500      push    {lr}\n2064      movs    r0, #100        ; 0x64\nb401      push    {r0}\nbc08      pop     {r3}\nb501      push    {r0, lr}\nbd20      pop {r5, pc}\nbc01      pop {r0}\n4770      bx      lr\n0000      .balign 4\ne6c0      .word   -72000\nfffe\n"),e.assembler.expect(this,"4291      cmp     r1, r2\nd100      bne     l6\ne000      b       l8\n1840  l6: adds    r0, r0, r1\n4718  l8: bx      r3\n"),e.assembler.expect(this,"          @stackmark base\nb403      push    {r0, r1}\n          @stackmark locals\n9801      ldr     r0, [sp, locals@1]\nb401      push    {r0}\n9802      ldr     r0, [sp, locals@1]\nbc01      pop     {r0}\n          @stackempty locals\n9901      ldr     r1, [sp, locals@1]\n9102      str     r1, [sp, base@0]\n          @stackempty locals\nb002      add     sp, #8\n          @stackempty base\n"),e.assembler.expect(this,"b090      sub sp, #4*16\nb010      add sp, #4*16\n"),e.assembler.expect(this,'6261      .string "abc"\n0063      \n'),e.assembler.expect(this,'6261      .string "abcde"\n6463      \n0065      \n'),e.assembler.expect(this,"3042      adds r0, 0x42\n1c0d      adds r5, r1, #0\nd100      bne #0\n2800      cmp r0, #0\n6b28      ldr r0, [r5, #48]\n0200      lsls r0, r0, #8\n2063      movs r0, 0x63\n4240      negs r0, r0\n46c0      nop\nb500      push {lr}\nb401      push {r0}\nb402      push {r1}\nb404      push {r2}\nb408      push {r3}\nb520      push {r5, lr}\nbd00      pop {pc}\nbc01      pop {r0}\nbc02      pop {r1}\nbc04      pop {r2}\nbc08      pop {r3}\nbd20      pop {r5, pc}\n9003      str r0, [sp, #4*3]\n")}}function s(t){e.assert("push"==t.getOp()||"pop"==t.getOp());let n=0,r=-1,s=t.numArgs[0];for(;s>0;)1&s&&(r=-1==r?n:-2),s>>=1,n++;return r>=0?r:-1}t.ThumbProcessor=r}(e.thumb||(e.thumb={}))}(e.pxtc||(e.pxtc={}))}(ts||(ts={})),function(e){!function(t){!function(n){let r,s=t.Util;s.assert;!function(e){e[e.None=0]="None",e[e.NumberLiteral=1]="NumberLiteral",e[e.PointerLiteral=2]="PointerLiteral",e[e.RuntimeCall=3]="RuntimeCall",e[e.ProcCall=4]="ProcCall",e[e.SharedRef=5]="SharedRef",e[e.SharedDef=6]="SharedDef",e[e.FieldAccess=7]="FieldAccess",e[e.Store=8]="Store",e[e.CellRef=9]="CellRef",e[e.Sequence=10]="Sequence",e[e.JmpValue=11]="JmpValue",e[e.Nop=12]="Nop",e[e.InstanceOf=13]="InstanceOf"}(r=n.EK||(n.EK={}));let i,a,o=0;class l{isExpr(){return!1}isStmt(){return!1}getId(){return this._id||(this._id=++o),this._id}}n.Node=l;class c extends l{constructor(e,t,n){super(),this.exprKind=e,this.args=t,this.data=n,this.callingConvention=0}static clone(e){let t=new c(e.exprKind,e.args?e.args.slice(0):null,e.data);return e.jsInfo&&(t.jsInfo=e.jsInfo),e.totalUses&&(t.totalUses=e.totalUses,t.currUses=e.currUses),t.callingConvention=e.callingConvention,t.mask=e.mask,t.isStringLiteral=e.isStringLiteral,t}reset(){this.currUses=0,this.prevTotalUses&&(this.totalUses=this.prevTotalUses)}ptrlabel(){return this.jsInfo instanceof u?this.jsInfo:null}hexlit(){const e=this.jsInfo;return null!=e.hexlit?e.hexlit:null}isExpr(){return!0}isPure(){return this.isStateless()||this.exprKind==r.CellRef}isLiteral(){switch(this.exprKind){case r.NumberLiteral:case r.PointerLiteral:return!0;default:return!1}}isStateless(){switch(this.exprKind){case r.NumberLiteral:case r.PointerLiteral:case r.SharedRef:return!0;default:return!1}}sharingInfo(){let e=this,t=this.getId();return this.exprKind!=r.SharedRef&&this.exprKind!=r.SharedDef||(e=this.args[0],e?t=e.getId():e={currUses:"",totalUses:""}),`${e.currUses}/${e.totalUses} #${t}`}toString(){return p(this)}canUpdateCells(){switch(this.exprKind){case r.NumberLiteral:case r.PointerLiteral:case r.CellRef:case r.JmpValue:case r.SharedRef:case r.Nop:return!1;case r.SharedDef:case r.FieldAccess:case r.InstanceOf:return this.args[0].canUpdateCells();case r.RuntimeCall:case r.ProcCall:case r.Sequence:case r.Store:return!0;default:throw t.oops()}}}n.Expr=c,function(e){e[e.None=0]="None",e[e.Expr=1]="Expr",e[e.Label=2]="Label",e[e.Jmp=3]="Jmp",e[e.StackEmpty=4]="StackEmpty",e[e.Breakpoint=5]="Breakpoint",e[e.Comment=6]="Comment"}(i=n.SK||(n.SK={})),function(e){e[e.Always=1]="Always",e[e.IfZero=2]="IfZero",e[e.IfNotZero=3]="IfNotZero"}(a=n.JmpMode||(n.JmpMode={})),n.lblNumUsesJmpNext=-101;class u extends l{constructor(e,t){super(),this.stmtKind=e,this.expr=t}isStmt(){return!0}toString(){return p(this)}}function p(e){return function e(s){if(s.isExpr()){let n=s,i=n.args?n.args[0]:null;switch(n.exprKind){case r.NumberLiteral:case r.PointerLiteral:return n.data+"";case r.CellRef:return n.data.toString();case r.JmpValue:return"JMPVALUE";case r.Nop:return"NOP";case r.SharedRef:return`SHARED_REF(#${i.getId()})`;case r.SharedDef:return`SHARED_DEF(#${i.getId()} u(${i.totalUses}): ${e(i)})`;case r.FieldAccess:return`${e(i)}.${n.data.name}`;case r.RuntimeCall:return n.data+"("+n.args.map(e).join(", ")+")";case r.ProcCall:let s=n.data,a="";return a=null!=s.ifaceIndex?`IFACE@${s.ifaceIndex}`:null!=s.virtualIndex?`VTABLE@${s.virtualIndex}`:t.getDeclName(s.proc.action),a+"("+n.args.map(e).join(", ")+")";case r.Sequence:return"("+n.args.map(e).join("; ")+")";case r.InstanceOf:return"("+e(n.args[0])+" instanceof "+n.data.id+")";case r.Store:return`{ ${e(n.args[0])} := ${e(n.args[1])} }`;default:throw t.oops()}}else{let r=s,i=r.expr?e(r.expr):"{null}";switch(r.stmtKind){case n.SK.Expr:return"    "+i+"\n";case n.SK.Jmp:let e=`goto ${r.lblName}\n`;switch(r.jmpMode){case a.Always:return r.expr?`    { JMPVALUE := ${i} } ${e}`:"    "+e;case a.IfZero:return`    if (! ${i}) ${e}`;case a.IfNotZero:return`    if (${i}) ${e}`;default:throw t.oops()}case n.SK.StackEmpty:return"    ;\n";case n.SK.Breakpoint:return"    // brk "+r.breakpointInfo.id+"\n";case n.SK.Comment:return"    // "+r.expr.data+"\n";case n.SK.Label:return r.lblName+":\n";default:throw t.oops()}}}(e)}n.Stmt=u;class d{constructor(e,n,r){this.index=e,this.def=n,this.info=r,this.isarg=!1,this.iscap=!1,this._isLocal=!1,this._isGlobal=!1,this._debugType="?",this.isUserVariable=!1,this.bitSize=0,n&&(t.isInPxtModules(n)||(this.isUserVariable=!0),r&&t.setCellProps(this))}getName(){return t.getDeclName(this.def)}getDebugInfo(){return{name:this.getName(),type:this._debugType,index:this.index}}toString(){let e="";return this.def&&(e+=this.getName()||"?"),this.isarg&&(e="ARG "+e),"["+e+"]"}uniqueName(){return this.isarg?"arg"+this.index:this.getName().replace(/[^\w]/g,"_")+"___"+t.getNodeId(this.def)}isLocal(){return this._isLocal}isGlobal(){return this._isGlobal}loadCore(){return b(r.CellRef,null,this)}load(){let e=this.loadCore();return t.target.isNative&&!t.isStackMachine()&&0!=this.bitSize?6==this.bitSize?y("pxt::fromUInt",[e]):y("pxt::fromInt",[e]):this.isByRefLocal()?y("pxtrt::ldlocRef",[e]):e}isByRefLocal(){return this.isLocal()&&this.info.captured&&this.info.written}storeDirect(e){return b(r.Store,[this.loadCore(),e])}storeByRef(e){if(this.isByRefLocal())return y("pxtrt::stlocRef",[this.loadCore(),e]);if(t.target.isNative&&!t.isStackMachine()&&0!=this.bitSize){let t=6==this.bitSize?"pxt::toUInt":"pxt::toInt";return this.storeDirect(y(t,[e],1))}return this.storeDirect(e)}get isTemporary(){return!1}}n.Cell=d;class f extends d{constructor(e,t){super(e,null,null),this.index=e,this.owningProc=t,this.uid=f.unnamedCellCounter++}getName(){return"unnamed"+this.uid}uniqueName(){return this.getName()+"___U"+this.index}isByRefLocal(){return!1}get isTemporary(){return!0}}function m(e){const t=()=>{if(!e.args)return 0;let t=0;for(let n of e.args)t+=m(n);return e.mask&&e.mask.conversions&&(t+=4*e.mask.conversions.length),t};switch(e.exprKind){case r.NumberLiteral:return 2;case r.PointerLiteral:return 6;case r.RuntimeCall:return t()+2+2+4;case r.CellRef:return 2;case r.FieldAccess:return t()+(e.data.needsCheck?4:0)+2;case r.ProcCall:case r.SharedRef:case r.SharedDef:case r.Store:case r.Sequence:case r.JmpValue:case r.Nop:case r.InstanceOf:return 1e6;default:throw s.oops()}}function h(e){switch((e=c.clone(e)).exprKind){case r.PointerLiteral:case r.NumberLiteral:return e;case r.RuntimeCall:for(let t=0;t<e.args.length;++t)e.args[t]=h(e.args[t]);return e;case r.CellRef:const t=e.data;return t.repl?(t.replUses++,t.repl):e;case r.FieldAccess:return e.args[0]=h(e.args[0]),e;default:throw s.oops()}}f.unnamedCellCounter=0,n.UnnamedCell=f;function g(e,t){return new u(e,t)}function b(e,t,n){return new c(e,t,n)}function x(e,t){let n=b(r.PointerLiteral,null,e);return n.jsInfo=t,n}function y(e,t,n=0){let s=b(r.RuntimeCall,t,e);return n&&(s.mask={refMask:n}),s}function k(e,i=!1,a=!1){let o=!!i&&e.some((e=>e.canUpdateCells())),l=[];for(let t of s.reversed(e))t.isStateless()||(t.exprKind!=r.CellRef||o)&&(t.canUpdateCells()&&(o=!0),l.push(t));l.reverse(),t.isStackMachine()&&!a&&(l=[]);let c=[],u=e.map((e=>{if(l.indexOf(e)>=0){let t=e,s=e;return e.exprKind==r.SharedDef?(e.args[0].totalUses++,t=n.op(r.SharedRef,[e.args[0]])):(t=n.op(r.SharedRef,[e]),s=n.op(r.SharedDef,[e]),e.totalUses=2,e.currUses=0),c.push(s),t}return e}));return{precomp:c,flattened:u}}n.Procedure=class extends l{constructor(){super(...arguments),this.numArgs=0,this.info=null,this.seqNo=-1,this.isRoot=!1,this.locals=[],this.captured=[],this.args=[],this.parent=null,this.debugInfo=null,this.fillDebugInfo=null,this.classInfo=null,this.perfCounterName=null,this.perfCounterNo=0,this.body=[],this.lblNo=0,this.action=null,this.cachedJS=null,this.usingCtx=null}reset(){this.body=[],this.lblNo=0,this.locals=[],this.captured=[],this.args=[]}isGetter(){return this.action&&this.action.kind==e.SyntaxKind.GetAccessor}vtLabel(){return this.label()+(t.isStackMachine()?"":"_args")}label(){return t.getFunctionLabel(this.action)}toString(){return`\nPROC ${t.getDeclName(this.action)}\n${this.body.map((e=>e.toString())).join("")}\n`}emit(e){this.body.push(e)}emitExpr(e){this.emit(g(i.Expr,e))}mkLabel(e){let t=g(i.Label,null);return t.lblName="."+e+"_"+this.lblNo+++"_"+this.seqNo,t.lbl=t,t}emitLbl(e){this.emit(e)}emitLblDirect(e){let t=g(i.Label,null);t.lblName=e,t.lbl=t,this.emit(t)}getFullName(){let 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t&&e.recordAction(n,r),s}t.Binary=de,t.isCtorField=fe}(e.pxtc||(e.pxtc={}))}(ts||(ts={})),function(ts){var pxtc;(function(pxtc){function getTsCompilerOptions(e){let t=ts.getDefaultCompilerOptions();return t.target=ts.ScriptTarget.ES5,t.module=ts.ModuleKind.None,t.noImplicitAny=!0,t.noImplicitReturns=!0,t.allowUnreachableCode=!0,t}function nodeLocationInfo(e){let t=ts.getSourceFileOfNode(e);const n=e.getStart?e.getStart():e.pos,{line:r,character:s}=ts.getLineAndCharacterOfPosition(t,n),{line:i,character:a}=ts.getLineAndCharacterOfPosition(t,e.end);return{start:n,length:e.end-n,line:r,column:s,endLine:i,endColumn:a,fileName:t.fileName}}function patchUpDiagnostics(e,t=!1){t&&(e=e.filter((e=>5012!==e.code)));let n=e.filter((e=>1148==e.code));return n.length>0&&(e=n),e.map((e=>{if(!e.file){return{code:e.code,start:e.start,length:e.length,line:0,column:0,messageText:ts.flattenDiagnosticMessageText(e.messageText,"\n"),category:e.category,fileName:"?"}}const t=ts.getLineAndCharacterOfPosition(e.file,e.start);let n={code:e.code,start:e.start,length:e.length,line:t.line,column:t.character,messageText:ts.flattenDiagnosticMessageText(e.messageText,"\n"),category:e.category,fileName:e.file.fileName};return 1148==n.code&&(n.messageText=pxtc.Util.lf("all symbols in top-level scope are always exported; please use a namespace if you want to export only some")),n}))}function py2tsIfNecessary(e){if(e.target.preferredEditor==pxt.PYTHON_PROJECT_NAME){return pxtc.transpile.pyToTs(e)}}function mkCompileResult(){return{outfiles:{},diagnostics:[],success:!1,times:{}}}function storeGeneratedFiles(e,t){for(let n of e.generatedFiles||[])t.outfiles[n]=e.fileSystem[n]}function runConversionsAndStoreResults(e,t){const n=pxtc.U.cpuUs();t||(t=mkCompileResult());const r=py2tsIfNecessary(e);r&&(t=Object.assign(Object.assign({},t),{diagnostics:r.diagnostics,sourceMap:r.sourceMap,globalNames:r.globalNames})),storeGeneratedFiles(e,t),e.sourceFiles||(e.sourceFiles=Object.keys(e.fileSystem));const s=e.sourceFiles.indexOf(pxt.MAIN_TS);s>=0&&(e.sourceFiles.splice(s,1),e.sourceFiles.push(pxt.MAIN_TS));const i=e.sourceFiles.indexOf(pxt.TUTORIAL_CODE_STOP);return i>=0&&(e.sourceFiles.splice(i,1),e.sourceFiles.push(pxt.TUTORIAL_CODE_STOP)),t.times.conversions=pxtc.U.cpuUs()-n,t}function timesToMs(e){for(let t of Object.keys(e.times))e.times[t]=Math.round(e.times[t])/1e3}function buildProgram(e,t){let n={};for(let t in e.fileSystem)n[normalizePath(t)]=e.fileSystem[t];let r=getTsCompilerOptions(e),s={getSourceFile:(e,t,r)=>{e=normalizePath(e);let s="";return n.hasOwnProperty(e)?s=n[e]:r&&r("File not found: "+e),null==s&&(r("File not found: 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pxtc.decompiler.decompileToBlocks(a,s,o,l)}function decompileSnippets(e,t,n=!1){const r=pxtc.getApiInfo(e,t.jres),s=pxtc.getBlocksInfo(r,t.bannedCategories),i=new pxtc.decompiler.RenameMap([]),a={snippetMode:t.snippetMode||!1,alwaysEmitOnStart:t.alwaysDecompileOnStart,includeGreyBlockMessages:n,generateSourceMap:void 0!==t.generateSourceMap?t.generateSourceMap:!!t.ast,allowedArgumentTypes:t.allowedArgumentTypes||["number","boolean","string"],errorOnGreyBlocks:!!t.errorOnGreyBlocks};let o;const l=[];if(t.sourceTexts)for(let e=0;e<t.sourceTexts.length;e++){t.fileSystem[pxt.MAIN_TS]=t.sourceTexts[e],t.fileSystem[pxt.MAIN_BLOCKS]="";let n=getTSProgram(t,o);const r=n.getSourceFile(pxt.MAIN_TS),c=pxtc.decompiler.decompileToBlocks(s,r,a,i);l.push(c.outfiles[pxt.MAIN_BLOCKS]),o=n}return l}function getTSProgram(e,t){let n={},r={};for(let t in e.fileSystem)r[normalizePath(t)]=e.fileSystem[t];let s=getTsCompilerOptions(e),i={getSourceFile:(e,t,n)=>{e=normalizePath(e);let s="";return r.hasOwnProperty(e)?s=r[e]:n&&n("File not found: "+e),null==s&&(n("File not found: "+e),s=""),ts.createSourceFile(e,s,t,true)},fileExists:e=>(e=normalizePath(e),r.hasOwnProperty(e)),getCanonicalFileName:e=>e,getDefaultLibFileName:()=>"no-default-lib.d.ts",writeFile:(e,t,r,s)=>{n[e]=t},getCurrentDirectory:()=>".",useCaseSensitiveFileNames:()=>!0,getNewLine:()=>"\n",readFile:e=>(e=normalizePath(e),r[e]||""),directoryExists:e=>!0,getDirectories:()=>[]};e.sourceFiles||(e.sourceFiles=Object.keys(e.fileSystem));let a=e.sourceFiles.filter((e=>pxtc.U.endsWith(e,".ts"))),o=a.filter((e=>e!=pxt.MAIN_TS)),l=!1;a.length>o.length&&(a=o,a.push(pxt.MAIN_TS),l=!0);const c=a.indexOf(pxt.TUTORIAL_CODE_STOP);c>=0&&(a.splice(c,1),a.push(pxt.TUTORIAL_CODE_STOP));const u=ts.createProgram(a,s,i,t);return pxtc.annotate(u,pxt.MAIN_TS,pxtc.target||pxt.appTarget&&pxt.appTarget.compile),u}function normalizePath(e){e=e.replace(/\\/g,"/");const t=[];return 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s.ThrowKeyword:case s.CatchKeyword:break;default:d=!1}}f.kind==n.NewLine&&(d=!1),d&&t.push(c(l," ")),t.push(l),l.kind!=n.NewLine&&(a=l),r++}var u;return t}(e);for(let t=0;t<e.length;++t){let r=e[t];switch(g(h,r),I(r),r.kind){case n.Tree:let s=r;S(r,(()=>{w(m(s.children))})),s.endToken&&I(s.endToken);break;case n.Block:let i=r;0==i.stmts.length?b+=" ":(b+="\n",i.stmts.forEach(T),b+=h.slice(4)),i.endToken?I(i.endToken):b+="}";break;case n.NewLine:if(e[t+1]&&e[t+1].kind==n.CommentLine&&""==e[t+1].text&&!e[t+1].isCursor)break;t==e.length-1?b+=h.slice(4):b+=h;break;case n.Whitespace:}}}}}(e.pxtc||(e.pxtc={}))}(ts||(ts={})),function(e){!function(t){let n;function r(e,n){if(!n.packedSource)return;let r=e.currPtr+4096&-256,s=new Uint8Array(256);for(let i=0;i<n.packedSource.length;i+=256){for(let e=0;e<256;++e)s[e]=n.packedSource.charCodeAt(i+e);t.UF2.writeBytes(e,r,s,t.UF2.UF2_FLAG_NOFLASH),r+=256}}!function(e){e.asmTotalSource="";let n={},s=[];let i={commBase:0,funcInfo:{},codeStartIdx:-1,codePaddingSize:0,sha:null,codeStartAddrPadded:void 0,hexlines:void 0,jmpStartAddr:void 0,jmpStartIdx:void 0,codeStartAddr:void 0,elfInfo:void 0,espInfo:void 0};function a(e){let n="",r=0;for(;r<e.length;r+=2)n=e[r]+e[r+1]+n;return t.assert(r==e.length),n}function o(e){if(!(e=e.replace(/^[\s:]/,"")))return[];let n=[];if(e.replace(/([a-f0-9][a-f0-9])/gi,(e=>(n.push(parseInt(e,16)),""))))throw t.oops("bad bytes "+e);return n}function l(e){return e.flashCodeAlign||1024}e.getCommBase=function(){return i.commBase},e.getStartAddress=function(){return i.codeStartAddrPadded},e.setupInlineAssembly=function(r){n={};let s=r.sourceFiles.filter((e=>t.U.endsWith(e,".asm")));e.asmTotalSource="";let i=0;for(let t of s){let s=r.fileSystem[t];s.replace(/^\s*(\w+):/gm,((e,t)=>(n[t]=!0,"")));let a=".object inlineasm\n.section code\n@stackmark func\n@scope user"+i+++"\n"+s+"\n@stackempty func\n@scope\n";e.asmTotalSource+=a}},e.parseHexBytes=o,e.parseHexRecord=function(e){let t=o(e);return{len:t[0],addr:t[1]<<8|t[2],type:t[3],data:t.slice(4,t.length-1),checksum:t[t.length-1]}},e.flashCodeAlign=l;const c="0108010842424242010801083ed8e98d";function u(e){return i.funcInfo[e]}function p(){let e=i.sha?i.sha.slice(0,16):"";for(;e.length<16;)e+="0";return e.toUpperCase()}function d(e){let t=0,n=":";return e.forEach((e=>t+=e)),e.push(255&-t),e.forEach((e=>n+=("0"+e.toString(16)).slice(-2))),n.toUpperCase()}e.setupFor=function(e,n){if(i=s.find((e=>e.sha==n.sha)),i)return;i={commBase:0,funcInfo:{},codeStartIdx:-1,codePaddingSize:0,sha:null,codeStartAddrPadded:void 0,hexlines:void 0,jmpStartAddr:void 0,jmpStartIdx:void 0,codeStartAddr:void 0,elfInfo:void 0,espInfo:void 0},s.length>10&&(s=[]),s.push(i);let r=n.functions;i.commBase=n.commBase||0,i.sha=n.sha;const u=n.hexinfo.hex;if(i.hexlines=u,t.target.nativeType==t.NATIVE_TYPE_VM){i.codeStartAddr=0,i.codeStartAddrPadded=0,i.jmpStartAddr=-1,i.jmpStartIdx=-1;for(let e of r)i.funcInfo[e.name]=e,e.value=16777215;if(t.target.useESP){const e=pxt.esp.parseB64(u),r=t.U.fromHex(c),s=(e,t)=>{for(let n=0;n<r.length;++n)if(e[t+n]!=r[n])return!1;return!0},a=e.segments.filter((e=>e.isDROM));t.U.assert(1==a.length);let o=!1;const l=a[0];i.codeStartAddr=l.addr+l.data.length,i.codeStartAddrPadded=i.codeStartAddr+255&-256,i.codePaddingSize=i.codeStartAddrPadded-i.codeStartAddr,pxt.debug(`user code start: 0x${i.codeStartAddrPadded.toString(16)}; dromlen=${l.data.length} pad=${i.codePaddingSize}`);for(let e=0;e<l.data.length;e+=32)if(s(l.data,e)){o=!0,e+=r.length;const t=e;for(let t of n.vmPointers||[])"0"!=t&&(t=t.replace(/^&/,""),i.funcInfo[t]={name:t,argsFmt:[],value:pxt.HF2.read32(l.data,e)},e+=4);pxt.HF2.write32(l.data,t,i.codeStartAddrPadded);break}t.U.assert(o||0==(n.vmPointers||[]).length),i.espInfo=e,i.codeStartAddrPadded=0}return}if(u.length<=2){const e=t.U.fromHex(u[0]);if(e[2]<=2&&96==e[3]){const t=1610612736,n=4096,r=e.length+n-1&~(n-1);i.elfInfo={template:e,imageMemStart:t+r,imageFileStart:r,phOffset:-1e3}}else i.elfInfo=pxt.elf.parse(e);i.codeStartAddr=i.elfInfo.imageMemStart,i.codeStartAddrPadded=i.elfInfo.imageMemStart;let n=u[0].indexOf(c);return n<0&&t.oops("no jmp table in elf"),i.jmpStartAddr=n/2,i.jmpStartIdx=-1,b(u[0].slice(n+32,n+32+8*r.length+16)),void x()}!function(e){for(let n=0;n<e.length;++n)if("2"==e[n][8]){let r=/^:02....02(....)..$/.exec(e[n]);t.U.assert(!!r);let s=16*parseInt(r[1],16);t.U.assert(0==(65535&s)),e[n]=d([2,0,0,4,0,s>>16])}}(u);let p=0,f="0000",m=0,h=0;i.codeStartAddr=0;let g=()=>{if(!i.codeStartAddr){let n=o(u[h]),r=16-(m+n[0]&15)&15;if(r)if(15&n[2]){let e=m+n[0],t=[r,e>>8,255&e,0];for(let e=0;e<r;++e)t.push(0);h++,u.splice(h,0,d(t)),i.codeStartAddr=e+r}else{if(16!=n[0]){for(n.pop(),n[0]=16;n.length<20;)n.push(0);u[h]=d(n)}i.codeStartAddr=m+16}else i.codeStartAddr=m+n[0];i.codeStartIdx=h+1;const s=l(e);i.codeStartAddrPadded=(i.codeStartAddr&~(s-1))+s;const a=i.codeStartAddrPadded-i.codeStartAddr;t.assert(0==(15&a)),i.codePaddingSize=a}};for(;p<u.length;++p){let t=/:02000004(....)/.exec(u[p]);if(t&&(f=t[1]),t=/^:..(....)00/.exec(u[p]),t){let n=parseInt(f+t[1],16);!e.flashUsableEnd&&m&&n-m>65536&&g(),e.flashUsableEnd&&n>=e.flashUsableEnd&&g(),h=p,m=n}/^:00000001/.test(u[p])&&g(),t=/^:10....000108010842424242010801083ED8E98D/.exec(u[p]),t&&(i.jmpStartAddr=m,i.jmpStartIdx=p)}pxt.debug(`code start: ${i.codeStartAddrPadded}, jmptbl: ${i.jmpStartAddr}`),i.jmpStartAddr||t.oops("No hex start"),i.codeStartAddr||t.oops("No hex end"),i.funcInfo={};for(let e=i.jmpStartIdx+1;e<u.length;++e){let t=/^:..(....)00(.{4,})/.exec(u[e]);if(t&&(b(t[2]),0==r.length))break}return void x();function b(n){let s=e.shortPointers?4:8;for(;n.length>=s;){let o=n.slice(0,s),l=parseInt(a(o),16);n=n.slice(s);let c=r.shift();if(!c)break;i.funcInfo[c.name]=c,l||t.U.oops("No value for "+c.name+" / "+o),0==c.argsFmt.length?l^=1:e.runtimeIsARM||e.nativeType!=t.NATIVE_TYPE_THUMB||1&l||t.U.oops("Non-thumb addr for "+c.name+" / "+o),c.value=l}}function x(){r.length&&t.oops("premature EOF in hex file; missing: "+r.map((e=>e.name)).join(", "))}},e.validateShim=function(e,r,s,i,a){if("TD_ID"==r||"TD_NOOP"==r||"ENUM_GET"==r)return;if(t.U.lookup(n,r))return;let o=`${e}(...) (shim=${r})`,l=u(r);if(l){i?"V"==l.argsFmt[0]&&t.U.userError("expecting function for "+o):"V"!=l.argsFmt[0]&&t.U.userError("expecting procedure for "+o);for(let e=0;e<a.length;++e){l.argsFmt[e+1]||t.U.userError("excessive parameters passed to "+o)}a.length!=l.argsFmt.length-1&&t.U.userError(`not enough arguments for ${o} (got ${a.length}; fmt=${l.argsFmt.join(",")})`)}else t.U.userError("function not found: "+o)},e.lookupFunc=u,e.lookupFunctionAddr=function(e){if("_pxt_comm_base"==e)return i.commBase;let t=u(e);return t?t.value:null},e.hexTemplateHash=p,e.hexPrelude=function(){return`    .startaddr 0x${i.codeStartAddrPadded.toString(16)}\n`},e.hexBytes=d,e.patchHex=function(e,n,s,o){let l=i.hexlines.slice(0,i.codeStartIdx);if(!e.target.useESP){let r=2*n.length+7>>3;t.assert(r<64e3,"program too large, bytes: "+2*n.length),n[17]=r,n[20]=e.commSize}let c=[];for(let e=0;e<i.codePaddingSize>>1;++e)c.push(0);n=c.concat(n);let u=0;function f(e,t){let n=[16,t>>8&255,255&t,0];for(let t=0;t<8;++t)n.push(255&(e[u]||0)),n.push((e[u]||0)>>>8),u++;return n}let m=[16912,0,65535&i.codeStartAddrPadded,i.codeStartAddrPadded>>>16],h=p();for(let e=0;e<4;++e)m.push(parseInt(a(h.slice(4*e,4*e+4)),16));let g=o?t.UF2.newBlockFile(t.target.uf2Family):null;if(i.elfInfo){let r=new Uint8Array(2*n.length);for(let e=0;e<n.length;++e)pxt.HF2.write16(r,2*e,n[e]);let s=pxt.elf.patch(i.elfInfo,r);for(let e=0;e<m.length;++e)pxt.HF2.write16(s,2*e+i.jmpStartAddr,m[e]);if(g&&!e.target.switches.rawELF){let n=e.name||"pxt";return n=n.replace(/[^a-zA-Z0-9\-\.]+/g,"_"),g.filename="Projects/"+n+".elf",t.UF2.writeBytes(g,0,s),[t.UF2.serializeFile(g)]}return[t.U.uint8ArrayToString(s)]}if(i.espInfo){const s=pxt.esp.cloneStruct(i.espInfo),a=s.segments.find((e=>e.isDROM));let o=a.data.length;const l=new Uint8Array(o+2*n.length+255&-256);l.set(a.data);for(let e=0;e<n.length;++e)pxt.HF2.write16(l,o,n[e]),o+=2;a.data=l;const c=pxt.esp.toBuffer(s);return g?(t.UF2.writeBytes(g,0,c),r(g,e),[t.UF2.serializeFile(g)]):[t.U.uint8ArrayToString(c)]}if(g){if(t.UF2.writeHex(g,l),t.UF2.writeBytes(g,i.jmpStartAddr,f(m,i.jmpStartIdx).slice(4)),e.checksumBlock){let n=[];for(let t of e.checksumBlock)n.push(255&t,t>>8);t.UF2.writeBytes(g,e.target.flashChecksumAddr,n)}}else l[i.jmpStartIdx]=d(f(m,i.jmpStartAddr)),e.checksumBlock&&t.U.oops("checksum block in HEX not implemented yet");u=0,s&&(l=[]);let b=i.codeStartAddr,x=b-16>>16;for(;u<n.length;)g?t.UF2.writeBytes(g,b,f(n,b).slice(4)):(b>>16!=x&&(x=b>>16,l.push(d([2,0,0,4,x>>8,255&x]))),l.push(d(f(n,b)))),b+=16;if(!s){let e=i.hexlines.slice(i.codeStartIdx);g?t.UF2.writeHex(g,e):t.Util.pushRange(l,e)}if(!g&&e.target.moveHexEof){for(;!l[l.length-1];)l.pop();":00000001FF"==l[l.length-1]&&l.pop()}if(e.packedSource)if(g)r(g,e);else{let t=0;for(let n=0;n<e.packedSource.length;n+=16){let r=[16,t>>8&255,255&t,14];for(let t=0;t<16;++t)r.push(255&(e.packedSource.charCodeAt(n+t)||0));l.push(d(r)),t+=16}}return!g&&e.target.moveHexEof&&l.push(":00000001FF"),g?[t.UF2.serializeFile(g)]:l}}(n=t.hexfile||(t.hexfile={})),t.hexDump=function(e,t=0){function n(e,t=8){let n=e.toString(16);for(;n.length<t;)n="0"+n;return n}let r="";for(let s=0;s<e.length;s+=16){r+=n(t+s)+": ";let i="";for(let t=0;t<16;t++){0==(3&t)&&(r+=" ");let a=e[s+t];null!=a?(r+=n(a,2)+" ",i+=32<=a&&a<127?String.fromCharCode(a):"."):r+="   "}r+=" "+i+"\n"}return r},t.asmline=function(e){return e.indexOf("\n")>=0?(e=e.replace(/^\s*/gm,"").replace(/^(.*)$/gm,((e,t)=>";"==t[0]&&" "==t[1]||/:\*$/.test(t)?t:"    "+t)))+"\n":(/(^[\s;])|(:$)/.test(e)||(e="    "+e),e+"\n")},t.firstMethodOffset=function(){return 9};const s=[21078089,22513679,15655169,18636881,19658081,21486649,21919277,20041213,20548751,16180187,18361627,19338023,19772677,16506547,23530697,22998697,21225203,19815283,23679599,19822889,21136133,19540043,21837031,18095489,23924267,23434627,22582379,21584111,22615171,23403001,19640683,19998031,18460439,20105387,17595791,16482043,23199959,18881641,21578371,22765747,20170273,16547639,16434589,21435019,20226751,19506731,21454393,23224541,23431973,23745511];function i(e){let n=32;t.U.assert(t.U.unique(e,(e=>""+e)).length==e.length,"non unique");for(let r=2;;r<<=1){if(n--,r<e.length)continue;let i,a=-1,o=-1;for(let l of s){let s=l<<8|n,c=new Uint16Array(r+t.vtLookups+1);t.U.assert(0==(1&c.length));let u=0,p=[];for(let r of e){t.U.assert(r>0);let e=Math.imul(r,s)>>>n;p.push(e);let i=!1;for(let n=0;n<t.vtLookups;n++){if(!c[e+n]){i=!0,c[e+n]=r;break}u++}if(!i){u=-1;break}}(-1==a||a>u)&&(a=u,o=s,i=c)}if(a>=0)return{mult:o,mapping:i,size:r}}}function a(e,n,r,s){const a=i(e.itable.map((e=>e.idx)));let o=t.target.shortPointers?".short":".word",l=`\n        .object ${e.id}_VT\n        .balign 4\n${e.id}_VT:\n        .short ${4*e.allfields.length+4}  ; size in bytes\n        .byte ${pxt.ValTypeObject}, ${pxt.VTABLE_MAGIC} ; magic\n        ${o} ${e.id}_IfaceVT\n        .short ${e.classNo} ; class-id\n        .short 0 ; reserved\n        .word ${a.mult} ; hash-mult\n`,c=e=>{"0"!=e&&(e+="@fn"),l+=`        ${o} ${e}\n`};c("pxt::RefRecord_destroy"),c("pxt::RefRecord_print"),c("pxt::RefRecord_scan"),c("pxt::RefRecord_gcsize");let u=e.toStringMethod;c(u?u.vtLabel():"0");for(let t of e.vtable)c(t.label()+"_nochk");l+=`\n        .balign ${t.target.shortPointers?2:4}\n${e.id}_IfaceVT:\n`;const p=2*a.mapping.length;let d="",f=p,m={};for(let t of e.itable){m[t.idx+""]=f;const e=t.proc?t.proc.isGetter()?1:2:0;d+=`  .short ${t.idx}, ${e} ; ${t.name}\n`,d+=`  .word ${t.proc?t.proc.vtLabel()+"@fn":t.info}\n`,f+=8,t.setProc&&(d+=`  .short ${t.idx}, 0 ; set ${t.name}\n`,d+=`  .word ${t.setProc.vtLabel()}@fn\n`,f+=8)}d+="  .word 0, 0 ; the end\n",f+=8;let h=a.mapping;for(let e=0;e<h.length;++e)r.itEntries++,h[e]&&r.itFullEntries++;return l+="  .short "+t.U.toArray(h).map(((e,t)=>(m[e+""]||p)-2*t)).join(", ")+"\n",l+=d,l+="\n",l}t.vtLookups=3,t.computeHashMultiplier=i,t.vtableToAsm=a;const o=["GC"];function l(e,r,s){let i=`\n    .short ${e.globalsWords}   ; num. globals\n    .short 0 ; patched with number of 64 bit words resulting from assembly\n    .word _pxt_config_data\n    .short 0 ; patched with comm section size\n    .short ${e.nonPtrGlobals} ; number of globals that are not pointers (they come first)\n    .word _pxt_iface_member_names\n    .word _pxt_lambda_trampoline@fn\n    .word _pxt_perf_counters\n    .word _pxt_restore_exception_state@fn\n    .word ${e.emitString(e.getTitle())} ; name\n`,l=null;l=new t.ThumbSnippets;const c=e.setPerfCounters(o);e.procs.forEach((n=>{let r=new t.ProctoAssembler(l,e,n);i+="\n"+r.getAssembly()+"\n"}));let u=new t.ProctoAssembler(l,e,null);u.emitHelpers(),i+="\n"+u.getAssembly()+"\n",i+=n.asmTotalSource,i+="_code_end:\n\n",t.U.iterMap(e.codeHelpers,((e,t)=>{i+=`    .section code\n    .object _code_helper_${t}\n${t}:\n${e}\n`})),i+=l.arithmetic(),i+="_helpers_end:\n\n",e.usedClassInfos.forEach((t=>{i+=a(t,0,e)})),i+="\n.balign 4\n.object _pxt_iface_member_names\n_pxt_iface_member_names:\n",i+=`    .word ${e.ifaceMembers.length}\n`;let p=0;for(let t of e.ifaceMembers){let n=e.emitString(t);i+=`    .word ${n}  ; ${p++} .${t}\n`}i+="    .word 0\n",i+="_vtables_end:\n\n",i+="\n.balign 4\n.object _pxt_config_data\n_pxt_config_data:\n";const d=s.configData||[];for(let e of d)i+=`    .word ${e.key}, ${e.value}  ; ${e.name}=${e.value}\n`;i+="    .word 0\n\n",function(e,n){const r=t.U.unique(n.ifaceMembers.concat(Object.keys(n.strings)),(e=>e));for(let t of r)n.otherLiterals.push(e.string_literal(n.strings[t],t));for(let t of Object.keys(n.doubles)){let r=n.doubles[t];n.otherLiterals.push(`\n.object ${r}\n.balign 4\n${r}: ${e.obj_header("pxt::number_vt")}\n        .hex ${t}\n`)}for(let t of Object.keys(n.hexlits))n.otherLiterals.push(e.hex_literal(n.hexlits[t],t)),n.otherLiterals.push()}(l,e),i+=e.otherLiterals.join(""),i+="\n.balign 4\n.section code\n.object _perf_counters\n_pxt_perf_counters:\n",i+=`    .word ${c.length}\n`;let f="";for(let e=0;e<c.length;++e){let t=".perf"+e;i+=`    .word ${t}\n`,f+=`${t}: .string ${JSON.stringify(c[e])}\n`}return i+=f,i+="_literals_end:\n",i}function c(e){let r;return r=e.nativeType==t.NATIVE_TYPE_VM?new t.assembler.VMFile(new t.vm.VmProcessor(e)):new t.assembler.File(new t.thumb.ThumbProcessor),r.ei.testAssembler(),e.switches.noPeepHole&&(r.disablePeepHole=!0),e.switches.size&&(r.codeSizeStats=!0),r.lookupExternalLabel=n.lookupFunctionAddr,r.normalizeExternalLabel=e=>{let t=n.lookupFunc(e);return t?t.name:e},r}function u(e){if(e.errors.length>0){let n="";throw 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r.members}}},t.isExported=function(e){if(e.modifiers&&e.modifiers.some((e=>e.kind==t.SK.PrivateKeyword||e.kind==t.SK.ProtectedKeyword)))return!1;let n=e.symbol;if(!n)return!1;for(;;){let e=n.parent;if(!e)break;n=e}let r=n.valueDeclaration||n.declarations[0];return r.kind==t.SK.VariableDeclaration&&(r=r.parent.parent),!(!r.parent||r.parent.kind!=t.SK.SourceFile)},t.isReadonly=function(e){return e.modifiers&&e.modifiers.some((e=>e.kind==t.SK.ReadonlyKeyword))}}(e.pxtc||(e.pxtc={}))}(ts||(ts={})),function(e){!function(e){!function(t){const n=e.assembler.emitErr,r=n("opcode name doesn't match","<name>");class s extends e.assembler.Instruction{constructor(e,t,n){super(e,t,n,n,!1)}emit(t){let s=t.words;if(s[0]!=this.name)return r;let i=this.opcode,a=1,o=[],l=null,c=null;for(let r=0;r<this.args.length;++r){let u=this.args[r],p=s[a++];if("$"==u[0]){let r=this.ei.encoders[u],s=null;if(r.isImmediate||r.isLabel){if(!p)return n("expecting number",p);if(p=p.replace(/^#/,""),s=t.bin.parseOneInt(p),null==s)return n("expecting number",p)}else e.oops();if(null==s)return n("didn't understand it",p);e.U.assert(s>=0),11111!=s&&"$lbl"==u&&(s-=t.bin.location()+2,s>>=1),o.push(s);const a=s;if(s=r.encode(s),null==s)return n(`argument (${a}) out of range or mis-aligned`,p);"$i3"==u?s=c|s<<6:"$i5"==u&&(s=c|s<<8),"$i2"==u||"$i4"==u?c=s:"$rt"==u?(11111!=s&&s>4096&&e.U.oops("label: "+p+" v="+s),i=32768|s,"callrt.p"==this.name&&(i|=8192)):t.isLong||s<0||s>255?(t.isLong=!0,"$lbl"==u&&(s-=1),i=s>>9&65535|49152,l=this.opcode+(s<<7)&65535):i=this.opcode+(s<<7)&65535}else if(u!=p)return n("expecting "+u,p)}return s[a]?n("trailing tokens",s[a]):{stack:0,opcode:i,opcode2:l,numArgs:o,labelName:t.bin.normalizeExternalLabel(null)}}}t.VmInstruction=s,t.withPush={},t.opcodes=["stloc     $i1","ldloc     $i1","stfld     $i4, $i5","ldfld     $i4, $i5","newobj    $i1","ldcap     $i1","bitconv   $i1","stglb     $i1","ldglb     $i1","ldint     $i1","ldintneg  $i1","ldspecial $i1","ldnumber  $i1","ldlit     $i1","checkinst $i1","mapget","mapset","ret       $i2, $i3","popmany   $i1","pushmany  $i1","callind   $i1","callproc  $i1","calliface $i2, $i3","callget   $i1","callset   $i1","jmp       $lbl","jmpnz     $lbl","jmpz      $lbl","try       $lbl","push","pop"];class i extends e.assembler.AbstractProcessor{constructor(e){super(),this.addEnc("$i1","#0-8388607",(e=>this.inrange(8388607,e,e))),this.addEnc("$i2","#0-31",(e=>this.inrange(31,e,e))),this.addEnc("$i3","#0-262143",(e=>this.inrange(262143,e,e))),this.addEnc("$i4","#0-255",(e=>this.inrange(255,e,e))),this.addEnc("$i5","#0-32767",(e=>this.inrange(32767,e,e))),this.addEnc("$lbl","LABEL",(e=>this.inminmax(-4194304,4194303,e,e))).isLabel=!0,this.addEnc("$rt","SHIM",(e=>this.inrange(8388607,e,e))).isLabel=!0;let n=1,r=!0;for(let e of t.opcodes.concat(["callrt $rt"])){let i=new s(this,e,n);this.instructions[i.name]=[i],(r||"callrt"==i.name)&&(t.withPush[i.name]=!0,i=new s(this,e.replace(/\w+/,(e=>e+".p")),64|n),this.instructions[i.name]=[i]),"mapset.p"==i.name&&(r=!1),n++}}testAssembler(){}postProcessRelAddress(e,t){return t}postProcessAbsAddress(e,t){return t}getAddressFromLabel(e,t,n,r=!1){let s=e.lookupLabel(n);return null==s?null:t.is32bit?s:s-(e.pc()+2)}toFnPtr(e,t){return e}wordSize(){return 8}peephole(e,n,r){let s=e.getOp(),i="";if(n){i=n.getOp();let e=s+";"+i,t=this.file.peepCounts;t[e]=(t[e]||0)+1}"stloc"==s&&"ldloc"==i&&e.numArgs[0]==n.numArgs[0]?(/LAST/.test(n.text)&&e.update(""),n.update("")):t.withPush[s]&&"push"==i&&(e.update(e.text.replace(/\w+/,(e=>e+".p"))),n.update(""))}}t.VmProcessor=i}(e.vm||(e.vm={}))}(e.pxtc||(e.pxtc={}))}(ts||(ts={}));