================
@@ -0,0 +1,166 @@
+#include "clang/Parse/ParseHLSLRootSignature.h"
+
+namespace clang {
+namespace hlsl {
+
+// Lexer Definitions
+
+static bool IsNumberChar(char C) {
+ // TODO(#126565): extend for float support exponents
+ return isdigit(C); // integer support
+}
+
+bool RootSignatureLexer::LexNumber(RootSignatureToken &Result) {
+ // Retrieve the possible number
+ StringRef NumSpelling = Buffer.take_while(IsNumberChar);
----------------
inbelic wrote:
Correct. It is the expected behaviour for this pr, as we are not expecting to
handle floats until https://github.com/llvm/llvm-project/issues/126565. This
was split out because I want to have a pr that will have dedicated
documentation and testing to show that the float parsing is equivalent to DXC.
Which I think would get bogged down and increase the scope when including it in
this pr.
https://github.com/llvm/llvm-project/pull/122981
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