Improved assembler

src/asm/Assembler.go

@@ -0,0 +1,42 @@
+package asm
+
+import (
+	"git.akyoto.dev/cli/q/src/register"
+)
+
+// Assembler contains a list of instructions.
+type Assembler struct {
+	Instructions []Instruction
+}
+
+// New creates a new assembler.
+func New() *Assembler {
+	return &Assembler{
+		Instructions: make([]Instruction, 0, 8),
+	}
+}
+
+// Finalize generates the final machine code.
+func (list *Assembler) Finalize() *Result {
+	final := Result{}
+
+	for _, instr := range list.Instructions {
+		instr.Write(&final.Code)
+	}
+
+	return &final
+}
+
+func (list *Assembler) MoveRegisterNumber(reg register.ID, number uint64) {
+	list.Instructions = append(list.Instructions, Instruction{
+		Mnemonic:    MOV,
+		Destination: reg,
+		Number:      number,
+	})
+}
+
+func (list *Assembler) Syscall() {
+	list.Instructions = append(list.Instructions, Instruction{
+		Mnemonic: SYSCALL,
+	})
+}