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authorClyybber <darkmine956@gmail.com>2020-10-14 16:07:25 +0200
committerGitHub <noreply@github.com>2020-10-14 16:07:25 +0200
commit977bccdbff9db889bebfa963d1292c4d433f6779 (patch)
tree6a1902216dd16946194f788aca67b372bd7856aa /compiler
parent89781124579fdf7fe884aca093ed9348195a57af (diff)
downloadNim-977bccdbff9db889bebfa963d1292c4d433f6779.tar.gz
Make useVersion:1.0 disable the proc arg sym change (#15570)
* Make useVersion:1.0 disable the proc arg sym change

* Also do this for useVersion:1.2
Diffstat (limited to 'compiler')
-rw-r--r--compiler/commands.nim6
-rw-r--r--compiler/options.nim1
-rw-r--r--compiler/semtypes.nim3
3 files changed, 9 insertions, 1 deletions
diff --git a/compiler/commands.nim b/compiler/commands.nim
index 3c6cc5919..b9199c1b0 100644
--- a/compiler/commands.nim
+++ b/compiler/commands.nim
@@ -883,6 +883,12 @@ proc processSwitch*(switch, arg: string, pass: TCmdLinePass, info: TLineInfo;
       undefSymbol(conf.symbols, "nimDoesntTrackDefects")
       ast.eqTypeFlags.excl {tfGcSafe, tfNoSideEffect}
       conf.globalOptions.incl optNimV1Emulation
+    of "1.2":
+      defineSymbol(conf.symbols, "NimMajor", "1")
+      defineSymbol(conf.symbols, "NimMinor", "2")
+      # always be compatible with 1.2.100:
+      defineSymbol(conf.symbols, "NimPatch", "100")
+      conf.globalOptions.incl optNimV12Emulation
     else:
       localError(conf, info, "unknown Nim version; currently supported values are: {1.0}")
   of "benchmarkvm":
diff --git a/compiler/options.nim b/compiler/options.nim
index 2f796afe6..3be7c5099 100644
--- a/compiler/options.nim
+++ b/compiler/options.nim
@@ -94,6 +94,7 @@ type                          # please make sure we have under 32 options
     optProduceAsm             # produce assembler code
     optPanics                 # turn panics (sysFatal) into a process termination
     optNimV1Emulation         # emulate Nim v1.0
+    optNimV12Emulation        # emulate Nim v1.2
     optSourcemap
     optProfileVM              # enable VM profiler
     optEnableDeepCopy         # ORC specific: enable 'deepcopy' for all types.
diff --git a/compiler/semtypes.nim b/compiler/semtypes.nim
index 9bb7673fa..8ef393839 100644
--- a/compiler/semtypes.nim
+++ b/compiler/semtypes.nim
@@ -1288,7 +1288,8 @@ proc semProcTypeNode(c: PContext, n, genericParams: PNode,
       addParamOrResult(c, arg, kind)
       styleCheckDef(c.config, a[j].info, arg)
       onDef(a[j].info, arg)
-      a[j] = newSymNode(arg)
+      if {optNimV1Emulation, optNimV12Emulation} * c.config.globalOptions == {}:
+        a[j] = newSymNode(arg)
 
   var r: PType
   if n[0].kind != nkEmpty: