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Do not allow self import

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This commit is contained in:
Simon Krauter
2014-10-14 23:38:50 +02:00
parent b7befd69ba
commit 849484f920
1 changed files with 4 additions and 2 deletions
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6
compiler/importer.nim
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@@ -92,7 +92,7 @@ proc rawImportSymbol(c: PContext, s: PSym) =
if s.kind == skConverter: addConverter(c, s)
if hasPattern(s): addPattern(c, s)
proc importSymbol(c: PContext, n: PNode, fromMod: PSym) =
proc importSymbol(c: PContext, n: PNode, fromMod: PSym) =
let ident = lookups.considerQuotedIdent(n)
let s = strTableGet(fromMod.tab, ident)
if s == nil:
@@ -155,10 +155,12 @@ proc importModuleAs(n: PNode, realModule: PSym): PSym =
# some misguided guy will write 'import abc.foo as foo' ...
result = createModuleAlias(realModule, n.sons[1].ident, n.sons[1].info)
proc myImportModule(c: PContext, n: PNode): PSym =
proc myImportModule(c: PContext, n: PNode): PSym =
var f = checkModuleName(n)
if f != InvalidFileIDX:
result = importModuleAs(n, gImportModule(c.module, f))
if result.name.s == fileInfos[n.info.fileIndex].shortName:
localError(n.info, errGenerated, "A module cannot import itself")
if sfDeprecated in result.flags:
message(n.info, warnDeprecated, result.name.s)