fixes #19795; fixes #11852; fixes #19974; remove parsing pipeline, Nim now parses the whole module at one time (#21379)

* fixes #19795; remove parse pipeline

* isScript

* fixes nimscriptapi

* don't touch reorder

* check script

* fixes tests

* it seems implicit imports of system cause troubles

* access the first child of `nkStmtList`

* ignore comments

* minor messages

* perhaps increases hloLoopDetector

* the module is a stmtList, which changes the errors

* fixes nimdoc

* fixes tlinter

* fixes nim  secret tests

* fixes arc_misc

* fixes nim secret tests again

* safe; fixes one more test

* GlobalError is the root cause too

* fixes parsing errors

* put emit types to the cfsForwardTypes section

* fixes #11852; `{.push checks:off}` now works in procs

* disable navigator

* fixes nimdoc

* add tests for JS

* fixes nimsuggest

tests/nimdoc/trunnableexamples.nim

@@ -7,7 +7,6 @@ foo1
 foo2
 foo3
 foo5
-foo6
 foo7
 in examplesInTemplate1
 doc in outer
@@ -15,6 +14,7 @@ doc in inner1
 doc in inner2
 foo8
 foo9
+foo6
 '''
 joinable: false
 """
@@ -43,7 +43,7 @@ proc fun*() =
     proc fun*()=echo "foo5"
     fun()
 
-  runnableExamples:
+  runnableExamples("--experimental:codeReordering --warnings:off"):
     # `codeReordering` only allowed at top level
     {.experimental: "codeReordering".}
     proc fun1() = fun2()