Merge pull request #52 from tfoleyNV/syntax-meta

Add meta-definitions for AST types

1 files changed, 37 insertions, 0 deletions

diff --git a/source/slang/val-defs.h b/source/slang/val-defs.h
new file mode 100644
index 000000000..316981842
--- /dev/null
+++ b/source/slang/val-defs.h
@@ -0,0 +1,37 @@
+// val-defs.h
+
+// Syntax class definitions for compile-time values.
+
+// A compile-time integer (may not have a specific concrete value)
+SIMPLE_SYNTAX_CLASS(IntVal, Val)
+
+// Trivial case of a value that is just a constant integer
+SYNTAX_CLASS(ConstantIntVal, IntVal)
+    FIELD(IntegerLiteralValue, value)
+
+    RAW(
+    ConstantIntVal(IntegerLiteralValue value)
+        : value(value)
+    {}
+
+    virtual bool EqualsVal(Val* val) override;
+    virtual String ToString() override;
+    virtual int GetHashCode() override;
+    )
+END_SYNTAX_CLASS()
+
+// The logical "value" of a rererence to a generic value parameter
+SYNTAX_CLASS(GenericParamIntVal, IntVal)
+    DECL_FIELD(DeclRef<VarDeclBase>, declRef)
+
+    RAW(
+    GenericParamIntVal(DeclRef<VarDeclBase> declRef)
+        : declRef(declRef)
+    {}
+
+    virtual bool EqualsVal(Val* val) override;
+    virtual String ToString() override;
+    virtual int GetHashCode() override;
+    virtual RefPtr<Val> SubstituteImpl(Substitutions* subst, int* ioDiff) override;
+)
+END_SYNTAX_CLASS()