diff --git a/compiler/jsgen.nim b/compiler/jsgen.nim
index fb1145360c..471d51c0f9 100644
--- a/compiler/jsgen.nim
+++ b/compiler/jsgen.nim
@@ -1136,10 +1136,14 @@ proc genBreakStmt(p: PProc, n: PNode) =
   p.blocks[idx].id = abs(p.blocks[idx].id) # label is used
   lineF(p, "break Label$1;$n", [rope(p.blocks[idx].id)])
 
-proc genAsmOrEmitStmt(p: PProc, n: PNode) =
+proc genAsmOrEmitStmt(p: PProc, n: PNode; isAsmStmt = false) =
   genLineDir(p, n)
   p.body.add p.indentLine("")
-  for i in 0..<n.len:
+  let offset =
+    if isAsmStmt: 1 # first son is pragmas
+    else: 0
+
+  for i in offset..<n.len:
     let it = n[i]
     case it.kind
     of nkStrLit..nkTripleStrLit:
@@ -2981,7 +2985,9 @@ proc gen(p: PProc, n: PNode, r: var TCompRes) =
       genLineDir(p, n)
       gen(p, n[0], r)
       r.res = "var _ = " & r.res
-  of nkAsmStmt: genAsmOrEmitStmt(p, n)
+  of nkAsmStmt:
+    warningDeprecated(p.config, n.info, "'asm' for the JS target is deprecated, use the 'emit' pragma")
+    genAsmOrEmitStmt(p, n, true)
   of nkTryStmt, nkHiddenTryStmt: genTry(p, n, r)
   of nkRaiseStmt: genRaiseStmt(p, n)
   of nkTypeSection, nkCommentStmt, nkIncludeStmt,
diff --git a/lib/js/asyncjs.nim b/lib/js/asyncjs.nim
index 045d1e6b56..b7ebc905fe 100644
--- a/lib/js/asyncjs.nim
+++ b/lib/js/asyncjs.nim
@@ -243,7 +243,7 @@ since (1, 5, 1):
     else:
       type A = impl(onSuccess(default(T)))
     var ret: A
-    asm "`ret` = `future`.then(`onSuccess`, `onReject`)"
+    {.emit: "`ret` = `future`.then(`onSuccess`, `onReject`)".}
     return ret
 
   proc catch*[T](future: Future[T], onReject: OnReject): Future[void] =
@@ -266,4 +266,4 @@ since (1, 5, 1):
 
       discard main()
 
-    asm "`result` = `future`.catch(`onReject`)"
+    {.emit: "`result` = `future`.catch(`onReject`)".}
diff --git a/lib/js/jsre.nim b/lib/js/jsre.nim
index 69bd75c3b3..2d931eb20e 100644
--- a/lib/js/jsre.nim
+++ b/lib/js/jsre.nim
@@ -58,7 +58,7 @@ func contains*(pattern: cstring; self: RegExp): bool =
     assert jsregex in r"abc"
     assert jsregex notin r"abcd"
     assert "xabc".contains jsregex
-  asm "`result` = `self`.test(`pattern`);"
+  {.emit: "`result` = `self`.test(`pattern`);".}
 
 func startsWith*(pattern: cstring; self: RegExp): bool =
   ## Tests if string starts with given RegExp
diff --git a/lib/pure/hashes.nim b/lib/pure/hashes.nim
index 6d246d5b9b..5182995116 100644
--- a/lib/pure/hashes.nim
+++ b/lib/pure/hashes.nim
@@ -190,7 +190,7 @@ proc hashData*(data: pointer, size: int): Hash =
   var h: Hash = 0
   when defined(js):
     var p: cstring
-    asm """`p` = `Data`"""
+    {.emit: """`p` = `Data`""".}
   else:
     var p = cast[cstring](data)
   var i = 0
@@ -217,7 +217,7 @@ else:
 when defined(js):
   var objectID = 0
   proc getObjectId(x: pointer): int =
-    asm """
+    {.emit: """
       if (typeof `x` == "object") {
         if ("_NimID" in `x`)
           `result` = `x`["_NimID"];
@@ -226,7 +226,7 @@ when defined(js):
           `x`["_NimID"] = `result`;
         }
       }
-    """
+    """.}
 
 proc hash*(x: pointer): Hash {.inline.} =
   ## Efficient `hash` overload.
diff --git a/lib/pure/json.nim b/lib/pure/json.nim
index 704d330c5d..5f076ebe02 100644
--- a/lib/pure/json.nim
+++ b/lib/pure/json.nim
@@ -991,9 +991,9 @@ when defined(js):
     else: assert false
 
   proc len(x: JsObject): int =
-    asm """
+    {.emit: """
       `result` = `x`.length;
-    """
+    """.}
 
   proc convertObject(x: JsObject): JsonNode =
     var isRawNumber = false
@@ -1004,14 +1004,15 @@ when defined(js):
         result.add(x[i].convertObject())
     of JObject:
       result = newJObject()
-      asm """for (var property in `x`) {
+      {.emit: """for (var property in `x`) {
         if (`x`.hasOwnProperty(property)) {
-      """
+      """.}
+      
       var nimProperty: cstring
       var nimValue: JsObject
-      asm "`nimProperty` = property; `nimValue` = `x`[property];"
+      {.emit: "`nimProperty` = property; `nimValue` = `x`[property];".}
       result[$nimProperty] = nimValue.convertObject()
-      asm "}}"
+      {.emit: "}}".}
     of JInt:
       result = newJInt(x.to(int))
     of JFloat:
diff --git a/lib/pure/math.nim b/lib/pure/math.nim
index 00f42ec1d2..a90aef54c5 100644
--- a/lib/pure/math.nim
+++ b/lib/pure/math.nim
@@ -219,13 +219,13 @@ when defined(js):
     let a = newFloat64Array(buffer)
     let b = newUint32Array(buffer)
     a[0] = x
-    asm """
+    {.emit: """
     function updateBit(num, bitPos, bitVal) {
       return (num & ~(1 << bitPos)) | (bitVal << bitPos);
     }
     `b`[1] = updateBit(`b`[1], 31, `sgn`);
     `result` = `a`[0]
-    """
+    """.}
 
 proc signbit*(x: SomeFloat): bool {.inline, since: (1, 5, 1).} =
   ## Returns true if `x` is negative, false otherwise.
diff --git a/lib/std/exitprocs.nim b/lib/std/exitprocs.nim
index 52e9653df4..f26368f424 100644
--- a/lib/std/exitprocs.nim
+++ b/lib/std/exitprocs.nim
@@ -29,13 +29,13 @@ initLock(gFunsLock)
 when defined(js):
   proc addAtExit(quitProc: proc() {.noconv.}) =
     when defined(nodejs):
-      asm """
+      {.emit: """
         process.on('exit', `quitProc`);
-      """
+      """.}
     elif defined(js):
-      asm """
+      {.emit: """
         window.onbeforeunload = `quitProc`;
-      """
+      """.}
 else:
   proc addAtExit(quitProc: proc() {.noconv.}) {.
     importc: "atexit", header: "<stdlib.h>".}
@@ -72,16 +72,16 @@ proc addExitProc*(cl: proc() {.noconv.}) =
 when not defined(nimscript) and (not defined(js) or defined(nodejs)):
   proc getProgramResult*(): int =
     when defined(js) and defined(nodejs):
-      asm """
+      {.emit: """
 `result` = process.exitCode;
-"""
+""".}
     else:
       result = programResult
 
   proc setProgramResult*(a: int) =
     when defined(js) and defined(nodejs):
-      asm """
+      {.emit: """
 process.exitCode = `a`;
-"""
+""".}
     else:
       programResult = a
diff --git a/lib/std/formatfloat.nim b/lib/std/formatfloat.nim
index 872549c3b1..7103b58637 100644
--- a/lib/std/formatfloat.nim
+++ b/lib/std/formatfloat.nim
@@ -104,7 +104,7 @@ when defined(js):
   proc nimFloatToString(a: float): cstring =
     ## ensures the result doesn't print like an integer, i.e. return 2.0, not 2
     # print `-0.0` properly
-    asm """
+    {.emit: """
       function nimOnlyDigitsOrMinus(n) {
         return n.toString().match(/^-?\d+$/);
       }
@@ -116,7 +116,7 @@ when defined(js):
           `result` = `a`+".0"
         }
       }
-    """
+    """.}
 
 proc addFloat*(result: var string; x: float | float32) {.inline.} =
   ## Converts float to its string representation and appends it to `result`.
diff --git a/lib/system.nim b/lib/system.nim
index 8c17afaa02..9ca9da3027 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -1871,14 +1871,14 @@ when defined(js) or defined(nimdoc):
       tmp.add(cstring("ab"))
       tmp.add(cstring("cd"))
       doAssert tmp == "abcd"
-    asm """
+    {.emit: """
       if (`x` === null) { `x` = []; }
       var off = `x`.length;
       `x`.length += `y`.length;
       for (var i = 0; i < `y`.length; ++i) {
         `x`[off+i] = `y`.charCodeAt(i);
       }
-    """
+    """.}
   proc add*(x: var cstring, y: cstring) {.magic: "AppendStrStr".} =
     ## Appends `y` to `x` in place.
     ## Only implemented for JS backend.
diff --git a/lib/system/comparisons.nim b/lib/system/comparisons.nim
index 9759c3c99a..ce5e486f71 100644
--- a/lib/system/comparisons.nim
+++ b/lib/system/comparisons.nim
@@ -324,7 +324,7 @@ proc `==`*[T](x, y: seq[T]): bool {.noSideEffect.} =
         return true
     else:
       var sameObject = false
-      asm """`sameObject` = `x` === `y`"""
+      {.emit: """`sameObject` = `x` === `y`""".}
       if sameObject: return true
 
   if x.len != y.len:
diff --git a/lib/system/jssys.nim b/lib/system/jssys.nim
index 1c8ea9d888..868abfd53b 100644
--- a/lib/system/jssys.nim
+++ b/lib/system/jssys.nim
@@ -49,7 +49,7 @@ proc nimCharToStr(x: char): string {.compilerproc.} =
   result[0] = x
 
 proc isNimException(): bool {.asmNoStackFrame.} =
-  asm "return `lastJSError` && `lastJSError`.m_type;"
+  {.emit: "return `lastJSError` && `lastJSError`.m_type;".}
 
 proc getCurrentException*(): ref Exception {.compilerRtl, benign.} =
   if isNimException(): result = cast[ref Exception](lastJSError)
@@ -148,7 +148,7 @@ proc raiseException(e: ref Exception, ename: cstring) {.
     unhandledException(e)
   when NimStackTrace:
     e.trace = rawWriteStackTrace()
-  asm "throw `e`;"
+  {.emit: "throw `e`;".}
 
 proc reraiseException() {.compilerproc, asmNoStackFrame.} =
   if lastJSError == nil:
@@ -158,7 +158,7 @@ proc reraiseException() {.compilerproc, asmNoStackFrame.} =
       if isNimException():
         unhandledException(cast[ref Exception](lastJSError))
 
-    asm "throw lastJSError;"
+    {.emit: "throw lastJSError;".}
 
 proc raiseOverflow {.exportc: "raiseOverflow", noreturn, compilerproc.} =
   raise newException(OverflowDefect, "over- or underflow")
@@ -176,7 +176,7 @@ proc raiseFieldError2(f: string, discVal: string) {.compilerproc, noreturn.} =
   raise newException(FieldDefect, formatFieldDefect(f, discVal))
 
 proc setConstr() {.varargs, asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     var result = {};
     for (var i = 0; i < arguments.length; ++i) {
       var x = arguments[i];
@@ -189,7 +189,7 @@ proc setConstr() {.varargs, asmNoStackFrame, compilerproc.} =
       }
     }
     return result;
-  """
+  """.}
 
 proc makeNimstrLit(c: cstring): string {.asmNoStackFrame, compilerproc.} =
   {.emit: """
@@ -277,64 +277,64 @@ proc toJSStr(s: string): cstring {.compilerproc.} =
   result = join(res)
 
 proc mnewString(len: int): string {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     var result = new Array(`len`);
     for (var i = 0; i < `len`; i++) {result[i] = 0;}
     return result;
-  """
+  """.}
 
 proc SetCard(a: int): int {.compilerproc, asmNoStackFrame.} =
   # argument type is a fake
-  asm """
+  {.emit: """
     var result = 0;
     for (var elem in `a`) { ++result; }
     return result;
-  """
+  """.}
 
 proc SetEq(a, b: int): bool {.compilerproc, asmNoStackFrame.} =
-  asm """
+  {.emit: """
     for (var elem in `a`) { if (!`b`[elem]) return false; }
     for (var elem in `b`) { if (!`a`[elem]) return false; }
     return true;
-  """
+  """.}
 
 proc SetLe(a, b: int): bool {.compilerproc, asmNoStackFrame.} =
-  asm """
+  {.emit: """
     for (var elem in `a`) { if (!`b`[elem]) return false; }
     return true;
-  """
+  """.}
 
 proc SetLt(a, b: int): bool {.compilerproc.} =
   result = SetLe(a, b) and not SetEq(a, b)
 
 proc SetMul(a, b: int): int {.compilerproc, asmNoStackFrame.} =
-  asm """
+  {.emit: """
     var result = {};
     for (var elem in `a`) {
       if (`b`[elem]) { result[elem] = true; }
     }
     return result;
-  """
+  """.}
 
 proc SetPlus(a, b: int): int {.compilerproc, asmNoStackFrame.} =
-  asm """
+  {.emit: """
     var result = {};
     for (var elem in `a`) { result[elem] = true; }
     for (var elem in `b`) { result[elem] = true; }
     return result;
-  """
+  """.}
 
 proc SetMinus(a, b: int): int {.compilerproc, asmNoStackFrame.} =
-  asm """
+  {.emit: """
     var result = {};
     for (var elem in `a`) {
       if (!`b`[elem]) { result[elem] = true; }
     }
     return result;
-  """
+  """.}
 
 proc cmpStrings(a, b: string): int {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     if (`a` == `b`) return 0;
     if (!`a`) return -1;
     if (!`b`) return 1;
@@ -343,7 +343,7 @@ proc cmpStrings(a, b: string): int {.asmNoStackFrame, compilerproc.} =
       if (result != 0) return result;
     }
     return `a`.length - `b`.length;
-  """
+  """.}
 
 proc cmp(x, y: string): int =
   when nimvm:
@@ -354,7 +354,7 @@ proc cmp(x, y: string): int =
     result = cmpStrings(x, y)
 
 proc eqStrings(a, b: string): bool {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     if (`a` == `b`) return true;
     if (`a` === null && `b`.length == 0) return true;
     if (`b` === null && `a`.length == 0) return true;
@@ -364,29 +364,29 @@ proc eqStrings(a, b: string): bool {.asmNoStackFrame, compilerproc.} =
     for (var i = 0; i < alen; ++i)
       if (`a`[i] != `b`[i]) return false;
     return true;
-  """
+  """.}
 
 when defined(kwin):
   proc rawEcho {.compilerproc, asmNoStackFrame.} =
-    asm """
+    {.emit: """
       var buf = "";
       for (var i = 0; i < arguments.length; ++i) {
         buf += `toJSStr`(arguments[i]);
       }
       print(buf);
-    """
+    """.}
 
 elif not defined(nimOldEcho):
   proc ewriteln(x: cstring) = log(x)
 
   proc rawEcho {.compilerproc, asmNoStackFrame.} =
-    asm """
+    {.emit: """
       var buf = "";
       for (var i = 0; i < arguments.length; ++i) {
         buf += `toJSStr`(arguments[i]);
       }
       console.log(buf);
-    """
+    """.}
 
 else:
   proc ewriteln(x: cstring) =
@@ -414,84 +414,84 @@ else:
 
 # Arithmetic:
 proc checkOverflowInt(a: int) {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     if (`a` > 2147483647 || `a` < -2147483648) `raiseOverflow`();
-  """
+  """.}
 
 proc addInt(a, b: int): int {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     var result = `a` + `b`;
     `checkOverflowInt`(result);
     return result;
-  """
+  """.}
 
 proc subInt(a, b: int): int {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     var result = `a` - `b`;
     `checkOverflowInt`(result);
     return result;
-  """
+  """.}
 
 proc mulInt(a, b: int): int {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     var result = `a` * `b`;
     `checkOverflowInt`(result);
     return result;
-  """
+  """.}
 
 proc divInt(a, b: int): int {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     if (`b` == 0) `raiseDivByZero`();
     if (`b` == -1 && `a` == 2147483647) `raiseOverflow`();
     return Math.trunc(`a` / `b`);
-  """
+  """.}
 
 proc modInt(a, b: int): int {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     if (`b` == 0) `raiseDivByZero`();
     if (`b` == -1 && `a` == 2147483647) `raiseOverflow`();
     return Math.trunc(`a` % `b`);
-  """
+  """.}
 
 proc checkOverflowInt64(a: int64) {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     if (`a` > 9223372036854775807n || `a` < -9223372036854775808n) `raiseOverflow`();
-  """
+  """.}
 
 proc addInt64(a, b: int64): int64 {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     var result = `a` + `b`;
     `checkOverflowInt64`(result);
     return result;
-  """
+  """.}
 
 proc subInt64(a, b: int64): int64 {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     var result = `a` - `b`;
     `checkOverflowInt64`(result);
     return result;
-  """
+  """.}
 
 proc mulInt64(a, b: int64): int64 {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     var result = `a` * `b`;
     `checkOverflowInt64`(result);
     return result;
-  """
+  """.}
 
 proc divInt64(a, b: int64): int64 {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     if (`b` == 0n) `raiseDivByZero`();
     if (`b` == -1n && `a` == 9223372036854775807n) `raiseOverflow`();
     return `a` / `b`;
-  """
+  """.}
 
 proc modInt64(a, b: int64): int64 {.asmNoStackFrame, compilerproc.} =
-  asm """
+  {.emit: """
     if (`b` == 0n) `raiseDivByZero`();
     if (`b` == -1n && `a` == 9223372036854775807n) `raiseOverflow`();
     return `a` % `b`;
-  """
+  """.}
 
 proc negInt(a: int): int {.compilerproc.} =
   result = a*(-1)
@@ -526,22 +526,22 @@ proc nimCopyAux(dest, src: JSRef, n: ptr TNimNode) {.compilerproc.} =
   case n.kind
   of nkNone: sysAssert(false, "nimCopyAux")
   of nkSlot:
-    asm """
+    {.emit: """
       `dest`[`n`.offset] = nimCopy(`dest`[`n`.offset], `src`[`n`.offset], `n`.typ);
-    """
+    """.}
   of nkList:
-    asm """
+    {.emit: """
     for (var i = 0; i < `n`.sons.length; i++) {
       nimCopyAux(`dest`, `src`, `n`.sons[i]);
     }
-    """
+    """.}
   of nkCase:
-    asm """
+    {.emit: """
       `dest`[`n`.offset] = nimCopy(`dest`[`n`.offset], `src`[`n`.offset], `n`.typ);
       for (var i = 0; i < `n`.sons.length; ++i) {
         nimCopyAux(`dest`, `src`, `n`.sons[i][1]);
       }
-    """
+    """.}
 
 proc nimCopy(dest, src: JSRef, ti: PNimType): JSRef =
   case ti.kind
@@ -549,9 +549,9 @@ proc nimCopy(dest, src: JSRef, ti: PNimType): JSRef =
     if not isFatPointer(ti):
       result = src
     else:
-      asm "`result` = [`src`[0], `src`[1]];"
+      {.emit: "`result` = [`src`[0], `src`[1]];".}
   of tySet:
-    asm """
+    {.emit: """
       if (`dest` === null || `dest` === undefined) {
         `dest` = {};
       }
@@ -560,18 +560,18 @@ proc nimCopy(dest, src: JSRef, ti: PNimType): JSRef =
       }
       for (var key in `src`) { `dest`[key] = `src`[key]; }
       `result` = `dest`;
-    """
+    """.}
   of tyTuple, tyObject:
     if ti.base != nil: result = nimCopy(dest, src, ti.base)
     elif ti.kind == tyObject:
-      asm "`result` = (`dest` === null || `dest` === undefined) ? {m_type: `ti`} : `dest`;"
+      {.emit: "`result` = (`dest` === null || `dest` === undefined) ? {m_type: `ti`} : `dest`;".}
     else:
-      asm "`result` = (`dest` === null || `dest` === undefined) ? {} : `dest`;"
+      {.emit: "`result` = (`dest` === null || `dest` === undefined) ? {} : `dest`;".}
     nimCopyAux(result, src, ti.node)
   of tyArrayConstr, tyArray:
     # In order to prevent a type change (TypedArray -> Array) and to have better copying performance,
     # arrays constructors are considered separately
-    asm """
+    {.emit: """
       if(ArrayBuffer.isView(`src`)) { 
         if(`dest` === null || `dest` === undefined || `dest`.length != `src`.length) {
           `dest` = new `src`.constructor(`src`);
@@ -593,9 +593,9 @@ proc nimCopy(dest, src: JSRef, ti: PNimType): JSRef =
           }
         }
       }
-    """
+    """.}
   of tySequence, tyOpenArray:
-    asm """
+    {.emit: """
       if (`src` === null) {
         `result` = null;
       }
@@ -608,55 +608,55 @@ proc nimCopy(dest, src: JSRef, ti: PNimType): JSRef =
           `result`[i] = nimCopy(`result`[i], `src`[i], `ti`.base);
         }
       }
-    """
+    """.}
   of tyString:
-    asm """
+    {.emit: """
       if (`src` !== null) {
         `result` = `src`.slice(0);
       }
-    """
+    """.}
   else:
     result = src
 
 proc genericReset(x: JSRef, ti: PNimType): JSRef {.compilerproc.} =
-  asm "`result` = null;"
+  {.emit: "`result` = null;".}
   case ti.kind
   of tyPtr, tyRef, tyVar, tyNil:
     if isFatPointer(ti):
-      asm """
+      {.emit: """
         `result` = [null, 0];
-      """
+      """.}
   of tySet:
-    asm """
+    {.emit: """
       `result` = {};
-    """
+    """.}
   of tyTuple, tyObject:
     if ti.kind == tyObject:
-      asm "`result` = {m_type: `ti`};"
+      {.emit: "`result` = {m_type: `ti`};".}
     else:
-      asm "`result` = {};"
+      {.emit: "`result` = {};".}
   of tySequence, tyOpenArray, tyString:
-    asm """
+    {.emit: """
       `result` = [];
-    """
+    """.}
   of tyArrayConstr, tyArray:
-    asm """
+    {.emit: """
       `result` = new Array(`x`.length);
       for (var i = 0; i < `x`.length; ++i) {
         `result`[i] = genericReset(`x`[i], `ti`.base);
       }
-    """
+    """.}
   else:
     discard
 
 proc arrayConstr(len: int, value: JSRef, typ: PNimType): JSRef {.
                 asmNoStackFrame, compilerproc.} =
   # types are fake
-  asm """
+  {.emit: """
     var result = new Array(`len`);
     for (var i = 0; i < `len`; ++i) result[i] = nimCopy(null, `value`, `typ`);
     return result;
-  """
+  """.}
 
 proc chckIndx(i, a, b: int): int {.compilerproc.} =
   if i >= a and i <= b: return i
@@ -685,7 +685,7 @@ proc isObj(obj, subclass: PNimType): bool {.compilerproc.} =
   return true
 
 proc addChar(x: string, c: char) {.compilerproc, asmNoStackFrame.} =
-  asm "`x`.push(`c`);"
+  {.emit: "`x`.push(`c`);".}
 
 {.pop.}
 
@@ -712,9 +712,9 @@ proc parseFloatNative(a: openarray[char]): float =
 
   let cstr = cstring str
 
-  asm """
+  {.emit: """
   `result` = Number(`cstr`);
-  """
+  """.}
 
 proc nimParseBiggestFloat(s: openarray[char], number: var BiggestFloat): int {.compilerproc.} =
   var sign: bool