mips without optimize

backend/mips/instr/data/MipsAsciiz.java

@@ -0,0 +1,19 @@
+package backend.mips.instr.data;
+
+import backend.mips.instr.MipsInstr;
+import backend.mips.instr.type.MipsType;
+
+public class MipsAsciiz extends MipsInstr {
+    private String name;
+    private String str;
+
+    public MipsAsciiz(String name, String str) {
+        super(MipsType.DATA);
+        this.name = name;
+        this.str = str;
+    }
+
+    public String toString() {
+        return name + ": .asciiz \"" + str.replaceAll("\n", "\\n") + "\"\n";
+    }
+}

backend/mips/instr/data/MipsSpace.java

@@ -0,0 +1,19 @@
+package backend.mips.instr.data;
+
+import backend.mips.instr.MipsInstr;
+import backend.mips.instr.type.MipsType;
+
+public class MipsSpace extends MipsInstr {
+    private int size;
+    private String name;
+
+    public MipsSpace(int size, String name) {
+        super(MipsType.DATA);
+        this.size = size;
+        this.name = name;
+    }
+
+    public String toString() {
+        return name + ": .space " + size + "\n";
+    }
+}

backend/mips/instr/data/MipsWord.java

@@ -0,0 +1,39 @@
+package backend.mips.instr.data;
+
+import java.util.ArrayList;
+
+import backend.mips.instr.MipsInstr;
+import backend.mips.instr.type.MipsType;
+
+public class MipsWord extends MipsInstr {
+    private String name;
+    private ArrayList<Integer> valueList;
+
+    public MipsWord(String name, ArrayList<Integer> valueList) {
+        super(MipsType.DATA);
+        this.name = name;
+        this.valueList = valueList;
+    }
+
+    public MipsWord(String name, int value) {
+        super(MipsType.DATA);
+        this.name = name;
+        this.valueList = new ArrayList<Integer>();
+        this.valueList.add(value);
+    }
+
+    public int getValueNum() {
+        return valueList.size();
+    }
+
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append(name).append(": .word ");
+        for (int value : valueList) {
+            sb.append(value).append(", ");
+        }
+        sb.delete(sb.length() - 2, sb.length());
+        sb.append("\n");
+        return sb.toString();
+    }
+}