From 60600530c6f36761570fd4a1eb37a0287a3ca2b4 Mon Sep 17 00:00:00 2001
From: mappu <mappu04@gmail.com>
Date: Tue, 8 Oct 2024 18:21:59 +1300
Subject: [PATCH] genbindings/ints: ssize_t support

---
 cmd/genbindings/emitcabi.go     | 4 +---
 cmd/genbindings/emitgo.go       | 9 ++++++++-
 cmd/genbindings/intermediate.go | 1 +
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/cmd/genbindings/emitcabi.go b/cmd/genbindings/emitcabi.go
index 5502103..63a7ce4 100644
--- a/cmd/genbindings/emitcabi.go
+++ b/cmd/genbindings/emitcabi.go
@@ -51,15 +51,13 @@ func (p CppParameter) RenderTypeCabi() string {
 		ret = "uint64_t"
 	case "qfloat16":
 		ret = "_Float16" // No idea where this typedef comes from, but it exists
-	case "qsizetype":
-		ret = "size_t"
 	case "qreal":
 		ret = "double"
 	case "qintptr", "QIntegerForSizeof<void *>::Signed":
 		ret = "intptr_t"
 	case "quintptr", "uintptr", "QIntegerForSizeof<void *>::Unsigned":
 		ret = "uintptr_t"
-	case "qptrdiff":
+	case "qsizetype", "qptrdiff", "QIntegerForSizeof<std::size_t>::Signed":
 		ret = "ptrdiff_t"
 	}
 
diff --git a/cmd/genbindings/emitgo.go b/cmd/genbindings/emitgo.go
index d7bcf31..6d488ac 100644
--- a/cmd/genbindings/emitgo.go
+++ b/cmd/genbindings/emitgo.go
@@ -80,12 +80,19 @@ func (p CppParameter) RenderTypeGo() string {
 		ret += "float32"
 	case "double", "qreal":
 		ret += "float64"
-	case "qsizetype", "size_t", "qptrdiff", "ptrdiff_t":
+	case "size_t": // size_t is unsigned
 		if C.sizeof_size_t == 4 {
 			ret += "uint32"
 		} else {
 			ret += "uint64"
 		}
+	case "qsizetype", "QIntegerForSizeof<std::size_t>::Signed", "qptrdiff", "ptrdiff_t": // all signed
+		if C.sizeof_size_t == 4 {
+			ret += "int32"
+		} else {
+			ret += "int64"
+		}
+
 	case "qintptr", "uintptr_t", "intptr_t", "quintptr", "QIntegerForSizeof<void *>::Unsigned", "QIntegerForSizeof<void *>::Signed":
 		ret += "uintptr"
 	default:
diff --git a/cmd/genbindings/intermediate.go b/cmd/genbindings/intermediate.go
index 2ce3cc8..c78f610 100644
--- a/cmd/genbindings/intermediate.go
+++ b/cmd/genbindings/intermediate.go
@@ -160,6 +160,7 @@ func (p CppParameter) IntType() bool {
 		"qsizetype", "size_t",
 		"QIntegerForSizeof<void *>::Unsigned",
 		"QIntegerForSizeof<void *>::Signed",
+		"QIntegerForSizeof<std::size_t>::Signed",
 		"qptrdiff", "ptrdiff_t",
 		"double", "float", "qreal":
 		return true