uxn backend less broken

Author: MESYETI

examples/exceptions.cal

@@ -2,12 +2,23 @@ include "cores/select.cal"
 include "std/io.cal"
 
 func __uxn_exception begin
-	65 printch new_line
+	&_cal_exception Exception.msg + Array.length + @ printdec new_line
+	&_cal_exception Exception.msg + Array.memberSize + @ printdec new_line
+	&_cal_exception Exception.msg + Array.elements + @ printdec new_line
 	1 exit
 end
 
+func exception_msg begin
+	&_cal_exception Exception.msg +
+end
+
 func error foo begin
 	c"hi im an exception" throw
 end
 
+#try foo
+#catch
+#	exception_msg printstr new_line
+#end
+
 foo

source/backends/arm64.d

@@ -206,9 +206,14 @@ class BackendARM64 : CompilerBackend {
 
 	override string[] FinalCommands() {
 		// TODO: allow user to specify commands manually?
-		bool isCross = executeShell("which aarch64-linux-gnu-as").status == 0;
-		string assembler = isCross ? "aarch64-linux-gnu-as" : "as";
-		string linker = isCross ? "aarch64-linux-gnu-ld" : "ld";
+		version (AArch64) {
+			string assembler = "as";
+			string linker    = "ld";
+		}
+		else {
+			string assembler = "aarch64-linux-gnu-as";
+			string linker    = "aarch64-linux-gnu-ld";
+		}
 
 		string[] ret = [
 			format("mv %s %s.asm", compiler.outFile, compiler.outFile),

source/backends/uxn.d

@@ -300,7 +300,7 @@ class BackendUXN : CompilerBackend {
 					if (crash) {
 						output ~= format(";global_%s LDA2\n", Sanitise("_cal_exception"));
 						output ~= "#0000 NEQ2\n";
-						output ~= format(";func__%s JCN\n", Sanitise("__uxn_exception"));
+						output ~= format(";func__%s JCN2\n", Sanitise("__uxn_exception"));
 					}
 					else {
 						CompileReturn(node);
@@ -1108,7 +1108,7 @@ class BackendUXN : CompilerBackend {
 		foreach (i ; 0 .. 3) {
 			output ~= "DUP2 LDA2\n";
 			output ~= format(
-				";global_%s #%.2x ADD2 STA2\n", Sanitise("_cal_exception"), i + 1
+				";global_%s #%.2x ADD2 STA2\n", Sanitise("_cal_exception"), i + 2
 			);
 			output ~= "#0002 ADD2\n";
 		}