Add basic float builtin type for sus-float

Author: VonTum

src/compiler_top.rs

@@ -53,6 +53,10 @@ impl Linker {
         // Critically, std/core.sus MUST be the first file to be loaded into the linker. Otherwise the IDs don't point to the correct objects
         assert_eq!(self.types[get_builtin_type!("int")].link_info.name, "int");
         assert_eq!(self.types[get_builtin_type!("bool")].link_info.name, "bool");
+        assert_eq!(
+            self.types[get_builtin_type!("float")].link_info.name,
+            "float"
+        );
 
         assert_eq!(
             self.constants[get_builtin_const!("true")].link_info.name,

src/typing/concrete_type.rs

@@ -98,6 +98,8 @@ impl ConcreteType {
             32 // TODO concrete int sizes
         } else if type_ref.id == get_builtin_type!("bool") {
             1
+        } else if type_ref.id == get_builtin_type!("float") {
+            32
         } else {
             println!("TODO Named Structs Size");
             1 // todo!() // Named structs are not implemented yet

std/core.sus

@@ -28,6 +28,9 @@ __builtin__ struct bool {}
 // An integer of variable size. Right now it's not implemented yet, so this is just a 32-bit int. 
 __builtin__ struct int {}
 
+// Single precision IEEE 32-bit float. Operators are definted externally, but it's defined here for convenience. 
+__builtin__ struct float {}
+
 // For intentionally triggering an ICE for debugging. It is a constant that crashes the compiler when it is evaluated
 __builtin__ const bool __crash_compiler {}