From 703ae01849d80e27c58e0bbf73d79e9707e4672b Mon Sep 17 00:00:00 2001
From: Nicholas Wilson <iamthewilsonator@hotmail.com>
Date: Sat, 5 Oct 2024 15:13:13 +0800
Subject: [PATCH] [func.d] move `errorSupplementalInferredAttr` to
 expressionsem.d

all but one of its uses are there, the other is in `canthrow.d`
---
 compiler/src/dmd/canthrow.d      |  1 +
 compiler/src/dmd/expressionsem.d | 65 ++++++++++++++++++++++++++++++++
 compiler/src/dmd/func.d          | 65 --------------------------------
 3 files changed, 66 insertions(+), 65 deletions(-)

diff --git a/compiler/src/dmd/canthrow.d b/compiler/src/dmd/canthrow.d
index dfc91e1c852..5738ae37afc 100644
--- a/compiler/src/dmd/canthrow.d
+++ b/compiler/src/dmd/canthrow.d
@@ -22,6 +22,7 @@ import dmd.declaration;
 import dmd.dsymbol;
 import dmd.errorsink;
 import dmd.expression;
+import dmd.expressionsem : errorSupplementalInferredAttr;
 import dmd.func;
 import dmd.globals;
 import dmd.init;
diff --git a/compiler/src/dmd/expressionsem.d b/compiler/src/dmd/expressionsem.d
index 950529d72a7..05f5386f32a 100644
--- a/compiler/src/dmd/expressionsem.d
+++ b/compiler/src/dmd/expressionsem.d
@@ -2014,6 +2014,71 @@ void checkOverriddenDtor(FuncDeclaration f, Scope* sc, const ref Loc loc,
     }
 }
 
+/// Print the reason why `fd` was inferred `@system` as a supplemental error
+/// Params:
+///   fd = function to check
+///   maxDepth = up to how many functions deep to report errors
+///   deprecation = print deprecations instead of errors
+///   stc = storage class of attribute to check
+public void errorSupplementalInferredAttr(FuncDeclaration fd, int maxDepth, bool deprecation, STC stc)
+{
+    auto errorFunc = deprecation ? &deprecationSupplemental : &errorSupplemental;
+
+    AttributeViolation* s;
+    const(char)* attr;
+    if (stc & STC.safe)
+    {
+        s = fd.safetyViolation;
+        attr = "@safe";
+    }
+    else if (stc & STC.pure_)
+    {
+        s = fd.pureViolation;
+        attr = "pure";
+    }
+    else if (stc & STC.nothrow_)
+    {
+        s = fd.nothrowViolation;
+        attr = "nothrow";
+    }
+    else if (stc & STC.nogc)
+    {
+        s = fd.nogcViolation;
+        attr = "@nogc";
+    }
+
+    if (!s)
+        return;
+
+    if (s.fmtStr)
+    {
+        errorFunc(s.loc, deprecation ?
+            "which wouldn't be `%s` because of:" :
+            "which wasn't inferred `%s` because of:", attr);
+        if (stc == STC.nogc || stc == STC.pure_)
+        {
+            auto f = (cast(Dsymbol) s.arg0).isFuncDeclaration();
+            errorFunc(s.loc, s.fmtStr, f.kind(), f.toPrettyChars(), s.arg1 ? s.arg1.toChars() : "");
+        }
+        else
+        {
+            errorFunc(s.loc, s.fmtStr,
+                s.arg0 ? s.arg0.toChars() : "", s.arg1 ? s.arg1.toChars() : "", s.arg2 ? s.arg2.toChars() : "");
+        }
+    }
+    else if (auto sa = s.arg0.isDsymbol())
+    {
+        if (FuncDeclaration fd2 = sa.isFuncDeclaration())
+        {
+            if (maxDepth > 0)
+            {
+                errorFunc(s.loc, "which calls `%s`", fd2.toPrettyChars());
+                errorSupplementalInferredAttr(fd2, maxDepth - 1, deprecation, stc);
+            }
+        }
+    }
+}
+
 /*******************************************
  * Accessing variable v.
  * Check for purity and safety violations.
diff --git a/compiler/src/dmd/func.d b/compiler/src/dmd/func.d
index 9d59fc99104..996b4377405 100644
--- a/compiler/src/dmd/func.d
+++ b/compiler/src/dmd/func.d
@@ -2066,68 +2066,3 @@ struct AttributeViolation
     /// ditto
     RootObject arg2 = null;
 }
-
-/// Print the reason why `fd` was inferred `@system` as a supplemental error
-/// Params:
-///   fd = function to check
-///   maxDepth = up to how many functions deep to report errors
-///   deprecation = print deprecations instead of errors
-///   stc = storage class of attribute to check
-void errorSupplementalInferredAttr(FuncDeclaration fd, int maxDepth, bool deprecation, STC stc)
-{
-    auto errorFunc = deprecation ? &deprecationSupplemental : &errorSupplemental;
-
-    AttributeViolation* s;
-    const(char)* attr;
-    if (stc & STC.safe)
-    {
-        s = fd.safetyViolation;
-        attr = "@safe";
-    }
-    else if (stc & STC.pure_)
-    {
-        s = fd.pureViolation;
-        attr = "pure";
-    }
-    else if (stc & STC.nothrow_)
-    {
-        s = fd.nothrowViolation;
-        attr = "nothrow";
-    }
-    else if (stc & STC.nogc)
-    {
-        s = fd.nogcViolation;
-        attr = "@nogc";
-    }
-
-    if (!s)
-        return;
-
-    if (s.fmtStr)
-    {
-        errorFunc(s.loc, deprecation ?
-            "which wouldn't be `%s` because of:" :
-            "which wasn't inferred `%s` because of:", attr);
-        if (stc == STC.nogc || stc == STC.pure_)
-        {
-            auto f = (cast(Dsymbol) s.arg0).isFuncDeclaration();
-            errorFunc(s.loc, s.fmtStr, f.kind(), f.toPrettyChars(), s.arg1 ? s.arg1.toChars() : "");
-        }
-        else
-        {
-            errorFunc(s.loc, s.fmtStr,
-                s.arg0 ? s.arg0.toChars() : "", s.arg1 ? s.arg1.toChars() : "", s.arg2 ? s.arg2.toChars() : "");
-        }
-    }
-    else if (auto sa = s.arg0.isDsymbol())
-    {
-        if (FuncDeclaration fd2 = sa.isFuncDeclaration())
-        {
-            if (maxDepth > 0)
-            {
-                errorFunc(s.loc, "which calls `%s`", fd2.toPrettyChars());
-                errorSupplementalInferredAttr(fd2, maxDepth - 1, deprecation, stc);
-            }
-        }
-    }
-}