Update for Vulkan-Docs 1.2.180v1.2.180

1 files changed, 41 insertions, 0 deletions

diff --git a/registry/generator.py b/registry/generator.py
index 6203c65..19bbc3c 100644
--- a/registry/generator.py
+++ b/registry/generator.py
@@ -691,6 +691,47 @@ class OutputGenerator:
 
         return (section, '\n'.join(body))
 
+    def buildConstantCDecl(self, enuminfo, name, alias):
+        """Generate the C declaration for a constant (a single <enum>
+        value).
+
+        <enum> tags may specify their values in several ways, but are
+        usually just integers or floating-point numbers."""
+
+        (_, strVal) = self.enumToValue(enuminfo.elem, False)
+
+        if self.misracppstyle() and enuminfo.elem.get('type') and not alias:
+            # Generate e.g.: static constexpr uint32_t x = ~static_cast<uint32_t>(1U);
+            # This appeases MISRA "underlying type" rules.
+            typeStr = enuminfo.elem.get('type');
+            invert = '~' in strVal
+            number = strVal.strip("()~UL")
+            if typeStr != "float":
+                number += 'U'
+            strVal = "~" if invert else ""
+            strVal += "static_cast<" + typeStr + ">(" + number + ")"
+            body = 'static constexpr ' + typeStr.ljust(9) + name.ljust(33) + ' {' + strVal + '};'
+        elif enuminfo.elem.get('type') and not alias:
+            # Generate e.g.: #define x (~0ULL)
+            typeStr = enuminfo.elem.get('type');
+            invert = '~' in strVal
+            paren = '(' in strVal
+            number = strVal.strip("()~UL")
+            if typeStr != "float":
+                if typeStr == "uint64_t":
+                    number += 'ULL'
+                else:
+                    number += 'U'
+            strVal = "~" if invert else ""
+            strVal += number
+            if paren:
+                strVal = "(" + strVal + ")";
+            body = '#define ' + name.ljust(33) + ' ' + strVal;
+        else:
+            body = '#define ' + name.ljust(33) + ' ' + strVal
+
+        return body
+
     def makeDir(self, path):
         """Create a directory, if not already done.