// 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; }
// 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; }
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); } }