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