bugfixes mostly JS related

lib/pure/pegs.nim

@@ -867,8 +867,9 @@ template `=~`*(s: string, pattern: TPeg): bool =
   ##   else:
   ##     echo("syntax error")
   ##  
+  bind maxSubpatterns
   when not definedInScope(matches):
-    var matches {.inject.}: array[0..pegs.maxSubpatterns-1, string]
+    var matches {.inject.}: array[0..maxSubpatterns-1, string]
   match(s, pattern, matches)
 
 # ------------------------- more string handling ------------------------------
@@ -1740,8 +1741,9 @@ when isMainModule:
     assert matches[0] == "a"
   else:
     assert false
-    
-  if match("abcdefg", peg"c {d} ef {g}", matches, 2): 
+
+  var matches: array[0..maxSubpatterns-1, string]
+  if match("abcdefg", peg"c {d} ef {g}", matches, 2):
     assert matches[0] == "d"
     assert matches[1] == "g"
   else:

lib/pure/times.nim

@@ -463,6 +463,8 @@ when not defined(JS):
     
 elif defined(JS):
   proc newDate(): TTime {.importc: "new Date".}
+  proc internGetTime(): TTime {.importc: "new Date", tags: [].}
+  
   proc newDate(value: float): TTime {.importc: "new Date".}
   proc newDate(value: string): TTime {.importc: "new Date".}
   proc getTime(): TTime =
@@ -494,7 +496,7 @@ elif defined(JS):
     result.yearday = 0
   
   proc TimeInfoToTime*(timeInfo: TTimeInfo): TTime =
-    result = getTime()
+    result = internGetTime()
     result.setSeconds(timeInfo.second)
     result.setMinutes(timeInfo.minute)
     result.setHours(timeInfo.hour)

lib/system/jssys.nim

@@ -620,4 +620,9 @@ proc isObj(obj, subclass: PNimType): bool {.compilerproc.} =
     x = x.base
   return true
 
+proc addChar(x: string, c: char) {.compilerproc, noStackFrame.} =
+  asm """
+    `x`[`x`.length-1] = `c`; `x`.push(0);
+  """
+
 {.pop.}