Add in F32 and F64 types builtin types.

We need to ensure all suffix of literals are handled in a subsequent PR.

1 files changed, 30 insertions, 0 deletions

diff --git a/gcc/rust/backend/rust-compile-expr.h b/gcc/rust/backend/rust-compile-expr.h
index 7b01e0e..9081000 100644
--- a/gcc/rust/backend/rust-compile-expr.h
+++ b/gcc/rust/backend/rust-compile-expr.h
@@ -155,6 +155,36 @@ public:
 	}
 	return;
 
+	case HIR::Literal::FLOAT: {
+	  printf ("FLOATY BOYO: [%s]\n", expr.as_string ().c_str ());
+
+	  mpfr_t fval;
+	  if (mpfr_init_set_str (fval, expr.as_string ().c_str (), 10,
+				 MPFR_RNDN)
+	      != 0)
+	    {
+	      rust_fatal_error (expr.get_locus (),
+				"bad float number in literal");
+	      return;
+	    }
+
+	  TyTy::TyBase *tyty = nullptr;
+	  if (!ctx->get_tyctx ()->lookup_type (
+		expr.get_mappings ().get_hirid (), &tyty))
+	    {
+	      rust_fatal_error (expr.get_locus (),
+				"did not resolve type for this literal expr");
+	      return;
+	    }
+
+	  printf ("tyty float is [%s]\n", tyty->as_string ().c_str ());
+
+	  Btype *type = TyTyResolveCompile::compile (ctx, tyty);
+	  translated
+	    = ctx->get_backend ()->float_constant_expression (type, fval);
+	}
+	return;
+
       default:
 	rust_fatal_error (expr.get_locus (), "unknown literal");
 	return;