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c777f2fb60
* fix some issues with --backend * fix https://github.com/timotheecour/Nim/issues/175; improve upon #14306
86 lines
2.8 KiB
Nim
86 lines
2.8 KiB
Nim
#
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#
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# The Nim Compiler
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# (c) Copyright 2018 Nim contributors
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#
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# See the file "copying.txt", included in this
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# distribution, for details about the copyright.
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#
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## Helpers for binaries that use compiler passes, eg: nim, nimsuggest, nimfix
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import
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options, idents, nimconf, extccomp, commands, msgs,
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lineinfos, modulegraphs, condsyms, os, pathutils, parseopt
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from strutils import normalize
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proc prependCurDir*(f: AbsoluteFile): AbsoluteFile =
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when defined(unix):
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if os.isAbsolute(f.string): result = f
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else: result = AbsoluteFile("./" & f.string)
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else:
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result = f
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proc addCmdPrefix*(result: var string, kind: CmdLineKind) =
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# consider moving this to std/parseopt
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case kind
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of cmdLongOption: result.add "--"
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of cmdShortOption: result.add "-"
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of cmdArgument, cmdEnd: discard
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type
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NimProg* = ref object
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suggestMode*: bool
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supportsStdinFile*: bool
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processCmdLine*: proc(pass: TCmdLinePass, cmd: string; config: ConfigRef)
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mainCommand*: proc(graph: ModuleGraph)
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proc initDefinesProg*(self: NimProg, conf: ConfigRef, name: string) =
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condsyms.initDefines(conf.symbols)
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defineSymbol conf.symbols, name
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proc processCmdLineAndProjectPath*(self: NimProg, conf: ConfigRef) =
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self.processCmdLine(passCmd1, "", conf)
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if self.supportsStdinFile and conf.projectName == "-":
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handleStdinInput(conf)
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elif conf.projectName != "":
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try:
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conf.projectFull = canonicalizePath(conf, AbsoluteFile conf.projectName)
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except OSError:
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conf.projectFull = AbsoluteFile conf.projectName
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let p = splitFile(conf.projectFull)
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let dir = if p.dir.isEmpty: AbsoluteDir getCurrentDir() else: p.dir
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conf.projectPath = AbsoluteDir canonicalizePath(conf, AbsoluteFile dir)
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conf.projectName = p.name
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else:
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conf.projectPath = AbsoluteDir canonicalizePath(conf, AbsoluteFile getCurrentDir())
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proc loadConfigsAndRunMainCommand*(self: NimProg, cache: IdentCache; conf: ConfigRef): bool =
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if self.suggestMode:
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conf.command = "nimsuggest"
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loadConfigs(DefaultConfig, cache, conf) # load all config files
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block:
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let scriptFile = conf.projectFull.changeFileExt("nims")
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if not self.suggestMode:
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# 'nim foo.nims' means to just run the NimScript file and do nothing more:
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if fileExists(scriptFile) and scriptFile == conf.projectFull:
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if conf.command == "":
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conf.command = "e"
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return false
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elif conf.command.normalize == "e":
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return false
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# now process command line arguments again, because some options in the
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# command line can overwrite the config file's settings
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extccomp.initVars(conf)
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self.processCmdLine(passCmd2, "", conf)
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if conf.command == "":
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rawMessage(conf, errGenerated, "command missing")
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let graph = newModuleGraph(cache, conf)
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graph.suggestMode = self.suggestMode
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self.mainCommand(graph)
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return true
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