change the [Processing] messages into dots (#14418)

* change the [Processing] messages into dots

* better implementation

* maybe I should work on something else...

compiler/lineinfos.nim

@@ -112,7 +112,7 @@ const
     warnUser: "$1",
     hintSuccess: "operation successful: $#",
     # keep in sync with `testament.isSuccess`
-    hintSuccessX: "$loc LOC; $sec sec; $mem; $build build; proj: $project; out: $output",
+    hintSuccessX: "${loc} lines; ${sec}s; $mem; $build build; proj: $project; out: $output",
     hintCC: "CC: $1",
     hintLineTooLong: "line too long",
     hintXDeclaredButNotUsed: "'$1' is declared but not used",

compiler/msgs.nim

@@ -277,6 +277,11 @@ type
     msgSkipHook    ## skip message hook even if it is present
   MsgFlags* = set[MsgFlag]
 
+template flushDot(stdorr) =
+  if conf.lastMsgWasDot:
+    write(stdorr, "\n")
+    conf.lastMsgWasDot = false
+
 proc msgWriteln*(conf: ConfigRef; s: string, flags: MsgFlags = {}) =
   ## Writes given message string to stderr by default.
   ## If ``--stdout`` option is given, writes to stdout instead. If message hook
@@ -286,15 +291,16 @@ proc msgWriteln*(conf: ConfigRef; s: string, flags: MsgFlags = {}) =
   ## This is used for 'nim dump' etc. where we don't have nimsuggest
   ## support.
   #if conf.cmd == cmdIdeTools and optCDebug notin gGlobalOptions: return
-
   if not isNil(conf.writelnHook) and msgSkipHook notin flags:
     conf.writelnHook(s)
   elif optStdout in conf.globalOptions or msgStdout in flags:
     if eStdOut in conf.m.errorOutputs:
+      flushDot(stdout)
       writeLine(stdout, s)
       flushFile(stdout)
   else:
     if eStdErr in conf.m.errorOutputs:
+      flushDot(stderr)
       writeLine(stderr, s)
       # On Windows stderr is fully-buffered when piped, regardless of C std.
       when defined(windows):
@@ -330,15 +336,27 @@ macro callStyledWriteLineStderr(args: varargs[typed]): untyped =
 template callWritelnHook(args: varargs[string, `$`]) =
   conf.writelnHook concat(args)
 
+proc msgWrite(conf: ConfigRef; s: string) =
+  if conf.m.errorOutputs != {}:
+    let stdOrr =
+      if optStdout in conf.globalOptions:
+        stdout
+      else:
+        stderr
+    write(stdOrr, s)
+    flushFile(stdOrr)
+
 template styledMsgWriteln*(args: varargs[typed]) =
   if not isNil(conf.writelnHook):
     callIgnoringStyle(callWritelnHook, nil, args)
   elif optStdout in conf.globalOptions:
     if eStdOut in conf.m.errorOutputs:
+      flushDot(stdout)
       callIgnoringStyle(writeLine, stdout, args)
       flushFile(stdout)
   else:
     if eStdErr in conf.m.errorOutputs:
+      flushDot(stderr)
       if optUseColors in conf.globalOptions:
         callStyledWriteLineStderr(args)
       else:
@@ -450,11 +468,18 @@ proc rawMessage*(conf: ConfigRef; msg: TMsgKind, args: openArray[string]) =
       s & (if kind.len > 0: KindFormat % kind else: ""), sev)
 
   if not ignoreMsgBecauseOfIdeTools(conf, msg):
-    if kind.len > 0:
-      styledMsgWriteln(color, title, resetStyle, s,
-                       KindColor, `%`(KindFormat, kind))
+    if msg == hintProcessing:
+      msgWrite(conf, ".")
+      conf.lastMsgWasDot = true
     else:
-      styledMsgWriteln(color, title, resetStyle, s)
+      if conf.lastMsgWasDot:
+        msgWrite(conf, "\n")
+        conf.lastMsgWasDot = false
+      if kind.len > 0:
+        styledMsgWriteln(color, title, resetStyle, s,
+                        KindColor, `%`(KindFormat, kind))
+      else:
+        styledMsgWriteln(color, title, resetStyle, s)
   handleError(conf, msg, doAbort, s)
 
 proc rawMessage*(conf: ConfigRef; msg: TMsgKind, arg: string) =
@@ -539,7 +564,10 @@ proc liMessage(conf: ConfigRef; info: TLineInfo, msg: TMsgKind, arg: string,
       if conf.hasHint(hintSource):
         conf.writeSurroundingSrc(info)
       if conf.hasHint(hintMsgOrigin):
-        styledMsgWriteln(styleBright, toFileLineCol(info2), resetStyle, " compiler msg initiated here", KindColor, KindFormat % HintsToStr[ord(hintMsgOrigin) - ord(hintMin)], resetStyle)
+        styledMsgWriteln(styleBright, toFileLineCol(info2), resetStyle,
+          " compiler msg initiated here", KindColor,
+          KindFormat % HintsToStr[ord(hintMsgOrigin) - ord(hintMin)],
+          resetStyle)
 
   handleError(conf, msg, eh, s)
 

compiler/options.nim

@@ -279,6 +279,7 @@ type
     projectPath*: AbsoluteDir # holds a path like /home/alice/projects/nim/compiler/
     projectFull*: AbsoluteFile # projectPath/projectName
     projectIsStdin*: bool # whether we're compiling from stdin
+    lastMsgWasDot*: bool # the last compiler message was a single '.'
     projectMainIdx*: FileIndex # the canonical path id of the main module
     command*: string # the main command (e.g. cc, check, scan, etc)
     commandArgs*: seq[string] # any arguments after the main command

compiler/sigmatch.nim

@@ -742,7 +742,7 @@ proc matchUserTypeClass*(m: var TCandidate; ff, a: PType): PType =
       addDecl(c, param)
 
   var
-    oldWriteHook: type(m.c.config.writelnHook)
+    oldWriteHook: typeof(m.c.config.writelnHook)
     diagnostics: seq[string]
     errorPrefix: string
     flags: TExprFlags = {}

tests/pragmas/twarning_off.nim

@@ -1,8 +1,7 @@
 discard """
   nimout: '''
 compile start
-Hint: warn_module [Processing]
-Hint: hashes [Processing]
+..
 warn_module.nim(6, 6) Hint: 'test' is declared but not used [XDeclaredButNotUsed]
 compile end
 '''