Implemented compilation to SSA form

src/core/Compile.go

@@ -1,4 +1,29 @@
 package core
 
+import (
+	"git.urbach.dev/cli/q/src/cpu"
+	"git.urbach.dev/cli/q/src/token"
+)
+
 // Compile turns a function into machine code.
-func (f *Function) Compile() {}
+func (f *Function) Compile() {
+	registerCount := 0
+
+	for _, input := range f.Input {
+		f.Identifiers[input.Name] = f.AppendRegister(cpu.Register(registerCount))
+		registerCount++
+
+		if input.TypeTokens[0].Kind == token.ArrayStart {
+			f.Identifiers[input.Name+".length"] = f.AppendRegister(cpu.Register(registerCount))
+			registerCount++
+		}
+	}
+
+	for instr := range f.Body.Instructions {
+		f.Err = f.CompileInstruction(instr)
+
+		if f.Err != nil {
+			return
+		}
+	}
+}