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compiler/commands: Always write usage to stdout

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Usage is compiler command output, not diagnostics, so we shall output it to
stdout. Also this makes: nim -h | less or nim -h | grep ... working.
This commit is contained in:
Adam Strzelecki 2015-10-22 22:09:25 +02:00
commit 24731c5360
1 changed files with 4 additions and 3 deletions
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7
compiler/commands.nim
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@ -65,14 +65,15 @@ proc getCommandLineDesc(): string =
proc helpOnError(pass: TCmdLinePass) = proc helpOnError(pass: TCmdLinePass) =
if pass == passCmd1: if pass == passCmd1:
msgWriteln(getCommandLineDesc()) msgWriteln(getCommandLineDesc(), {msgStdout})
msgQuit(0) msgQuit(0)
proc writeAdvancedUsage(pass: TCmdLinePass) = proc writeAdvancedUsage(pass: TCmdLinePass) =
if pass == passCmd1: if pass == passCmd1:
msgWriteln(`%`(HelpMessage, [VersionAsString, msgWriteln(`%`(HelpMessage, [VersionAsString,
platform.OS[platform.hostOS].name, platform.OS[platform.hostOS].name,
CPU[platform.hostCPU].name]) & AdvancedUsage) CPU[platform.hostCPU].name]) & AdvancedUsage,
{msgStdout})
msgQuit(0) msgQuit(0)
proc writeVersionInfo(pass: TCmdLinePass) = proc writeVersionInfo(pass: TCmdLinePass) =
@ -95,7 +96,7 @@ var
proc writeCommandLineUsage() = proc writeCommandLineUsage() =
if not helpWritten: if not helpWritten:
msgWriteln(getCommandLineDesc()) msgWriteln(getCommandLineDesc(), {msgStdout})
helpWritten = true helpWritten = true
proc addPrefix(switch: string): string = proc addPrefix(switch: string): string =