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new: nim -e:cmd to run a command directly; also fixes #15731 (#15687)

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* new: `nim -i cmd`
* rename -i to -e (for eval); consistent with majority of other programing languages
* `nim e -e:cmd` now works; bugfix: `echo cmd | nim e -` now works
* honor --betterRun
* address comments
* --eval alias for -e (replaces undocumented --eval which was a noop)
* --eval now defaults to e (nimscript) instead of r
* address comment: remove -e, only keep --eval
* address comment
* fixup
* Update compiler/nimconf.nim

Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
This commit is contained in:
Timothee Cour 2020-11-09 09:07:22 -06:00 • committed by GitHub
commit c1664f93b0
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13 changed files with 75 additions and 26 deletions
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13
compiler/modules.nim
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@ -82,6 +82,13 @@ proc compileModule*(graph: ModuleGraph; fileIdx: FileIndex; flags: TSymFlags): P
var flags = flags
if fileIdx == graph.config.projectMainIdx2: flags.incl sfMainModule
result = graph.getModule(fileIdx)
template processModuleAux =
var s: PLLStream
if sfMainModule in flags:
if graph.config.projectIsStdin: s = stdin.llStreamOpen
elif graph.config.projectIsCmd: s = llStreamOpen(graph.config.cmdInput)
discard processModule(graph, result, idGeneratorFromModule(result), s)
if result == nil:
let filename = AbsoluteFile toFullPath(graph.config, fileIdx)
result = loadModuleSym(graph, fileIdx, filename)
@ -91,15 +98,13 @@ proc compileModule*(graph: ModuleGraph; fileIdx: FileIndex; flags: TSymFlags): P
registerModule(graph, result)
else:
partialInitModule(result, graph, fileIdx, filename)
discard processModule(graph, result, idGeneratorFromModule(result),
if sfMainModule in flags and graph.config.projectIsStdin: stdin.llStreamOpen else: nil)
processModuleAux()
elif graph.isDirty(result):
result.flags.excl sfDirty
# reset module fields:
initStrTable(result.tab)
result.ast = nil
discard processModule(graph, result, idGeneratorFromModule(result),
if sfMainModule in flags and graph.config.projectIsStdin: stdin.llStreamOpen else: nil)
processModuleAux()
graph.markClientsDirty(fileIdx)
proc importModule*(graph: ModuleGraph; s: PSym, fileIdx: FileIndex): PSym =