================
@@ -0,0 +1,194 @@
+#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) {
+ // NumericLiteralParser does not handle the sign so we will manually apply it
+ bool Negative = Buffer.front() == '-';
+ bool Signed = Negative || Buffer.front() == '+';
----------------
inbelic wrote:
Updated to have seperate tokens for the `+` and `-` and to defer this parsing
for the parser.
https://github.com/llvm/llvm-project/pull/122981
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