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-rw-r--r--compiler/nim.nim82
1 files changed, 63 insertions, 19 deletions
diff --git a/compiler/nim.nim b/compiler/nim.nim
index df06a83a9..005f11a58 100644
--- a/compiler/nim.nim
+++ b/compiler/nim.nim
@@ -7,21 +7,25 @@
 #    distribution, for details about the copyright.
 #
 
-when defined(gcc) and defined(windows):
-  when defined(x86):
-    {.link: "../icons/nim.res".}
-  else:
-    {.link: "../icons/nim_icon.o".}
+import std/[os, strutils, parseopt]
+
+when defined(nimPreviewSlimSystem):
+  import std/assertions
+
+when defined(windows):
+  when defined(gcc):
+    when defined(x86):
+      {.link: "../icons/nim.res".}
+    else:
+      {.link: "../icons/nim_icon.o".}
 
-when defined(amd64) and defined(windows) and defined(vcc):
-  {.link: "../icons/nim-amd64-windows-vcc.res".}
-when defined(i386) and defined(windows) and defined(vcc):
-  {.link: "../icons/nim-i386-windows-vcc.res".}
+  when defined(amd64) and defined(vcc):
+    {.link: "../icons/nim-amd64-windows-vcc.res".}
+  when defined(i386) and defined(vcc):
+    {.link: "../icons/nim-i386-windows-vcc.res".}
 
 import
-  commands, options, msgs,
-  extccomp, strutils, os, main, parseopt,
-  idents, lineinfos, cmdlinehelper,
+  commands, options, msgs, extccomp, main, idents, lineinfos, cmdlinehelper,
   pathutils, modulegraphs
 
 from std/browsers import openDefaultBrowser
@@ -34,6 +38,15 @@ when defined(profiler) or defined(memProfiler):
   {.hint: "Profiling support is turned on!".}
   import nimprof
 
+proc nimbleLockExists(config: ConfigRef): bool =
+  const nimbleLock = "nimble.lock"
+  let pd = if not config.projectPath.isEmpty: config.projectPath else: AbsoluteDir(getCurrentDir())
+  if optSkipParentConfigFiles notin config.globalOptions:
+    for dir in parentDirs(pd.string, fromRoot=true, inclusive=false):
+      if fileExists(dir / nimbleLock):
+        return true
+  return fileExists(pd.string / nimbleLock)
+
 proc processCmdLine(pass: TCmdLinePass, cmd: string; config: ConfigRef) =
   var p = parseopt.initOptParser(cmd)
   var argsCount = 0
@@ -67,6 +80,21 @@ proc processCmdLine(pass: TCmdLinePass, cmd: string; config: ConfigRef) =
         config.arguments.len > 0 and config.cmd notin {cmdTcc, cmdNimscript, cmdCrun}:
       rawMessage(config, errGenerated, errArgsNeedRunOption)
 
+  if config.nimbleLockExists:
+    # disable nimble path if nimble.lock is present.
+    # see https://github.com/nim-lang/nimble/issues/1004
+    disableNimblePath(config)
+
+proc getNimRunExe(conf: ConfigRef): string =
+  # xxx consider defining `conf.getConfigVar("nimrun.exe")` to allow users to
+  # customize the binary to run the command with, e.g. for custom `nodejs` or `wine`.
+  if conf.isDefined("mingw"):
+    if conf.isDefined("i386"): result = "wine"
+    elif conf.isDefined("amd64"): result = "wine64"
+    else: result = ""
+  else:
+    result = ""
+
 proc handleCmdLine(cache: IdentCache; conf: ConfigRef) =
   let self = NimProg(
     supportsStdinFile: true,
@@ -78,9 +106,21 @@ proc handleCmdLine(cache: IdentCache; conf: ConfigRef) =
     return
 
   self.processCmdLineAndProjectPath(conf)
+
   var graph = newModuleGraph(cache, conf)
   if not self.loadConfigsAndProcessCmdLine(cache, conf, graph):
     return
+
+  if conf.cmd == cmdCheck and optWasNimscript notin conf.globalOptions and
+       conf.backend == backendInvalid:
+    conf.backend = backendC
+
+  if conf.selectedGC == gcUnselected:
+    if conf.backend in {backendC, backendCpp, backendObjc} or
+        (conf.cmd in cmdDocLike and conf.backend != backendJs) or
+        conf.cmd == cmdGendepend:
+      initOrcDefines(conf)
+
   mainCommand(graph)
   if conf.hasHint(hintGCStats): echo(GC_getStatistics())
   #echo(GC_getStatistics())
@@ -92,19 +132,23 @@ proc handleCmdLine(cache: IdentCache; conf: ConfigRef) =
     let output = conf.absOutFile
     case conf.cmd
     of cmdBackends, cmdTcc:
+      let nimRunExe = getNimRunExe(conf)
       var cmdPrefix = ""
+      if nimRunExe.len > 0: cmdPrefix.add nimRunExe.quoteShell
       case conf.backend
       of backendC, backendCpp, backendObjc: discard
       of backendJs:
         # D20210217T215950:here this flag is needed for node < v15.0.0, otherwise
         # tasyncjs_fail` would fail, refs https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode
-        cmdPrefix = findNodeJs() & " --unhandled-rejections=strict "
-      else: doAssert false, $conf.backend
-      # No space before command otherwise on windows you'd get a cryptic:
-      # `The parameter is incorrect`
-      execExternalProgram(conf, cmdPrefix & output.quoteShell & ' ' & conf.arguments)
-      # execExternalProgram(conf, cmdPrefix & ' ' & output.quoteShell & ' ' & conf.arguments)
-    of cmdDocLike, cmdRst2html, cmdRst2tex: # bugfix(cmdRst2tex was missing)
+        if cmdPrefix.len == 0: cmdPrefix = findNodeJs().quoteShell
+        cmdPrefix.add " --unhandled-rejections=strict"
+      else: raiseAssert $conf.backend
+      if cmdPrefix.len > 0: cmdPrefix.add " "
+        # without the `cmdPrefix.len > 0` check, on windows you'd get a cryptic:
+        # `The parameter is incorrect`
+      let cmd = cmdPrefix & output.quoteShell & ' ' & conf.arguments
+      execExternalProgram(conf, cmd.strip(leading=false,trailing=true))
+    of cmdDocLike, cmdRst2html, cmdRst2tex, cmdMd2html, cmdMd2tex: # bugfix(cmdRst2tex was missing)
       if conf.arguments.len > 0:
         # reserved for future use
         rawMessage(conf, errGenerated, "'$1 cannot handle arguments" % [$conf.cmd])