// main class
@Override
public void visit(MainClassSingle c) {
// Every class must go into its own class file.
try {
this.writer =
new java.io.BufferedWriter(
new java.io.OutputStreamWriter(new java.io.FileOutputStream(c.id + ".j")));
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
this.sayln("; This is automatically generated by the Tiger compiler.");
this.sayln("; Do NOT modify!\n");
this.sayln(".class public " + c.id);
this.sayln(".super java/lang/Object\n");
this.sayln(".method public static main([Ljava/lang/String;)V");
this.isayln(".limit stack 4096");
this.isayln(".limit locals 2");
for (Stm.T s : c.stms) s.accept(this);
this.isayln("return");
this.sayln(".end method");
try {
this.writer.close();
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
return;
}
private void say(String s) {
try {
this.writer.write(s);
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}
private void isayln(String s) {
say(" ");
say(s);
try {
this.writer.write("\n");
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}
// class
@Override
public void visit(ClassSingle c) {
// Every class must go into its own class file.
try {
this.writer =
new java.io.BufferedWriter(
new java.io.OutputStreamWriter(new java.io.FileOutputStream(c.id + ".smali")));
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
// header
this.sayln("; This is automatically generated by the Tiger compiler.");
this.sayln("; Do NOT modify!\n");
this.sayln(".class public " + c.id);
if (c.extendss == null) this.sayln(".super java/lang/Object\n");
else this.sayln(".super " + c.extendss);
// fields
for (Dec.T d : c.decs) {
DecSingle dd = (DecSingle) d;
this.say(".field public " + dd.id);
dd.type.accept(this);
this.sayln("");
}
// methods
this.sayln(".method public <init>()V");
this.isayln("aload 0");
if (c.extendss == null) this.isayln("invokespecial java/lang/Object/<init>()V");
else this.isayln("invokespecial " + c.extendss + "/<init>()V");
this.isayln("return");
this.sayln(".end method\n\n");
for (Method.T m : c.methods) {
m.accept(this);
}
try {
this.writer.close();
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
return;
}