move formatfloat out of system (#20195)

* move formatfloat out of system

* fixes doc

* Update changelog.md

* careless

* fixes

* deprecate system/formatfloat

* better handling

compiler/ic/ic.nim

@@ -15,7 +15,7 @@ import ".." / [ast, idents, lineinfos, msgs, ropes, options,
 from os import removeFile, isAbsolute
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, formatfloat]
 
 type
   PackedConfig* = object

compiler/lexer.nim

@@ -20,7 +20,7 @@ import
   wordrecg, lineinfos, pathutils, parseutils
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, formatfloat]
 
 const
   MaxLineLength* = 80         # lines longer than this lead to a warning

compiler/renderer.nim

@@ -18,7 +18,7 @@ import
   lexer, options, idents, strutils, ast, msgs, lineinfos
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, formatfloat]
 
 type
   TRenderFlag* = enum

compiler/rodutils.nim

@@ -42,7 +42,7 @@ when not declared(signbit):
   proc signbit*(x: SomeFloat): bool {.inline.} =
     result = c_signbit(x) != 0
 
-import system/formatfloat
+import std/formatfloat
 
 proc toStrMaxPrecision*(f: BiggestFloat | float32): string =
   const literalPostfix = when f is float32: "f" else: ""

compiler/ropes.nim

@@ -61,7 +61,7 @@ import
 from pathutils import AbsoluteFile
 
 when defined(nimPreviewSlimSystem):
-  import std/[assertions, syncio]
+  import std/[assertions, syncio, formatfloat]
 
 
 type

compiler/sem.nim

@@ -25,6 +25,9 @@ when defined(nimfix):
 when not defined(leanCompiler):
   import spawn
 
+when defined(nimPreviewSlimSystem):
+  import std/formatfloat
+
 # implementation
 
 proc semExpr(c: PContext, n: PNode, flags: TExprFlags = {}, expectedType: PType = nil): PNode

compiler/semfold.nim

@@ -18,7 +18,7 @@ import
 from system/memory import nimCStrLen
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, formatfloat]
 
 proc errorType*(g: ModuleGraph): PType =
   ## creates a type representing an error state

compiler/types.nim

@@ -14,7 +14,7 @@ import
   lineinfos, int128, modulegraphs, astmsgs
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, formatfloat]
 
 type
   TPreferedDesc* = enum

compiler/vm.nim

@@ -18,6 +18,9 @@ import
   gorgeimpl, lineinfos, btrees, macrocacheimpl,
   modulegraphs, sighashes, int128, vmprofiler
 
+when defined(nimPreviewSlimSystem):
+  import std/formatfloat
+
 import ast except getstr
 from semfold import leValueConv, ordinalValToString
 from evaltempl import evalTemplate

compiler/vmmarshal.nim

@@ -13,7 +13,7 @@ import streams, json, intsets, tables, ast, astalgo, idents, types, msgs,
   options, lineinfos
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, formatfloat]
 
 proc ptrToInt(x: PNode): int {.inline.} =
   result = cast[int](x) # don't skip alignment

compiler/vmops.nim

@@ -28,12 +28,12 @@ from std/os import getEnv, existsEnv, delEnv, putEnv, envPairs,
 from std/times import cpuTime
 from std/hashes import hash
 from std/osproc import nil
-from system/formatfloat import addFloatRoundtrip, addFloatSprintf
 
 
 when defined(nimPreviewSlimSystem):
   import std/syncio
-
+else:
+  from std/formatfloat import addFloatRoundtrip, addFloatSprintf 
 
 # There are some useful procs in vmconv.
 import vmconv, vmmarshal