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follow #15818 and close #7109 (#15823)

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* follow #15818 and close #7109

* Update compiler/jsgen.nim

Co-authored-by: Juan Carlos <juancarlospaco@gmail.com>

Co-authored-by: Juan Carlos <juancarlospaco@gmail.com>
This commit is contained in:
flywind
2020-11-03 01:27:39 +08:00
committed by GitHub
parent c243639979
commit fde17b159f
2 changed files with 13 additions and 2 deletions
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7
compiler/jsgen.nim
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@@ -2549,9 +2549,12 @@ proc gen(p: PProc, n: PNode, r: var TCompRes) =
of nkAsmStmt: genAsmOrEmitStmt(p, n)
of nkTryStmt, nkHiddenTryStmt: genTry(p, n, r)
of nkRaiseStmt: genRaiseStmt(p, n)
of nkTypeSection, nkCommentStmt, nkIteratorDef, nkIncludeStmt,
of nkTypeSection, nkCommentStmt, nkIncludeStmt,
nkImportStmt, nkImportExceptStmt, nkExportStmt, nkExportExceptStmt,
nkFromStmt, nkTemplateDef, nkMacroDef, nkStaticStmt: discard
of nkIteratorDef:
if n[0].sym.typ.callConv == TCallingConvention.ccClosure:
globalError(p.config, n.info, "Closure iterators are not supported by JS backend!")
of nkPragma: genPragma(p, n)
of nkProcDef, nkFuncDef, nkMethodDef, nkConverterDef:
var s = n[namePos].sym
@@ -2559,7 +2562,7 @@ proc gen(p: PProc, n: PNode, r: var TCompRes) =
genSym(p, n[namePos], r)
r.res = nil
of nkGotoState, nkState:
internalError(p.config, n.info, "first class iterators not implemented")
globalError(p.config, n.info, "First class iterators not implemented")
of nkPragmaBlock: gen(p, n.lastSon, r)
of nkComesFrom:
discard "XXX to implement for better stack traces"

8
tests/js/t7109.nim Normal file
View File

@@ -0,0 +1,8 @@
discard """
errormsg: "Closure iterators are not supported by JS backend!"
"""
iterator iter*(): int {.closure.} =
yield 3
var x = iter