7 files changed, 63 insertions, 1 deletions
diff --git a/src/minijava/symboltable/MClass.java b/src/minijava/symboltable/MClass.java
index 4e64f54..37bfcfb 100644
--- a/src/minijava/symboltable/MClass.java
+++ b/src/minijava/symboltable/MClass.java
@@ -38,5 +38,22 @@ public class MClass extends MLocalVarType {
 		methods.addMethod(method);
 		return null;
 	}
+	
+	// 调试输出: 打印该类的信息
+	public void printClass(int spaces) {
+		String ps = OutputFormat.spaces(spaces);
+		if (this.extend_class_name!=null) {
+			System.err.println(ps + "Class "+this.name+" extends "+this.extend_class_name);
+		} else {
+			System.err.println(ps + "Class "+this.name);
+		}
+		for (int i=0; i<vars.size(); i++) {
+			vars.varlist.elementAt(i).printVar(spaces+2);
+			System.err.println();
+		}
+		for (int i=0; i<methods.size(); i++) {
+			methods.methods.elementAt(i).printMethod(spaces+2);
+		}
+	}
 }
 
diff --git a/src/minijava/symboltable/MClasses.java b/src/minijava/symboltable/MClasses.java
index a4d066f..2df2ba8 100644
--- a/src/minijava/symboltable/MClasses.java
+++ b/src/minijava/symboltable/MClasses.java
@@ -27,5 +27,12 @@ public class MClasses extends MType {
 		}
 		return false;
 	}
+	
+	// 调试输出: 打印所有的类的信息
+	public void printClasses(int spaces) {
+		for (int i=0; i<mj_classes.size(); i++) {
+			mj_classes.elementAt(i).printClass(spaces);
+		}
+	}
 }
 
diff --git a/src/minijava/symboltable/MMethod.java b/src/minijava/symboltable/MMethod.java
index ea2a363..3b0888e 100644
--- a/src/minijava/symboltable/MMethod.java
+++ b/src/minijava/symboltable/MMethod.java
@@ -10,7 +10,6 @@ public class MMethod extends MLocalVarType {
 		super(m_line, m_column);
 		this.name = m_name;
 		this.ret_type_name = ret_type;
-		ret_type_name = null;
 		paramList = new MVarList();
 	}
 	
@@ -34,4 +33,18 @@ public class MMethod extends MLocalVarType {
 		paramList.insertVar(var);
 		return null;
 	}
+	
+	public void printMethod(int spaces) {
+		String ps = OutputFormat.spaces(spaces);
+		System.err.print(ps + this.ret_type_name + " " + this.name + "(");
+		for (int i=0; i<paramList.size(); i++) {
+			if (i>0) System.err.print(",");
+			paramList.varlist.elementAt(i).printVar(0);
+		}
+		System.err.println(")");
+		for (int i=0; i<vars.size(); i++) {
+			vars.varlist.elementAt(i).printVar(spaces+2);
+			System.err.println();
+		}
+	}
 }
diff --git a/src/minijava/symboltable/MMethodList.java b/src/minijava/symboltable/MMethodList.java
index 34f79e6..01bef3c 100644
--- a/src/minijava/symboltable/MMethodList.java
+++ b/src/minijava/symboltable/MMethodList.java
@@ -21,4 +21,8 @@ public class MMethodList extends MType {
 		}
 		return -1;
 	}
+	
+	public int size() {
+		return methods.size();
+	}
 }
diff --git a/src/minijava/symboltable/MVarList.java b/src/minijava/symboltable/MVarList.java
index ede97fc..79f7457 100644
--- a/src/minijava/symboltable/MVarList.java
+++ b/src/minijava/symboltable/MVarList.java
@@ -21,4 +21,8 @@ public class MVarList extends MType {
 		}
 		return -1;
 	}
+	
+	public int size() {
+		return varlist.size();
+	}
 }
diff --git a/src/minijava/symboltable/MVariable.java b/src/minijava/symboltable/MVariable.java
index 2655561..4501396 100644
--- a/src/minijava/symboltable/MVariable.java
+++ b/src/minijava/symboltable/MVariable.java
@@ -8,4 +8,9 @@ public class MVariable extends MType {
 		name = v_name;
 		typename = v_type;
 	}
+	
+	public void printVar(int spaces) {
+		String ps = OutputFormat.spaces(spaces);
+		System.err.print(ps + typename + " " + this.name);
+	}
 }
diff --git a/src/minijava/symboltable/OutputFormat.java b/src/minijava/symboltable/OutputFormat.java
new file mode 100644
index 0000000..71a819e
--- /dev/null
+++ b/src/minijava/symboltable/OutputFormat.java
@@ -0,0 +1,12 @@
+package minijava.symboltable;
+
+public class OutputFormat {
+	public static String spaces(int n) {
+		String s = "";
+		while (n>0) {
+			s+=" ";
+			n--;
+		}
+		return s;
+	}
+}