diff options
Diffstat (limited to 'src/minijava/visitor/BuildSymbolTableVisitor.java')
| -rw-r--r-- | src/minijava/visitor/BuildSymbolTableVisitor.java | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/src/minijava/visitor/BuildSymbolTableVisitor.java b/src/minijava/visitor/BuildSymbolTableVisitor.java index d8d40f1..a3b6fe5 100644 --- a/src/minijava/visitor/BuildSymbolTableVisitor.java +++ b/src/minijava/visitor/BuildSymbolTableVisitor.java @@ -220,11 +220,11 @@ public class BuildSymbolTableVisitor extends GJDepthFirst<MType, MType> { */ public MType visit(VarDeclaration n, MType argu) { MType _ret=null; - MClass m_class = (MClass)argu; + MLocalVarType m_class = (MLocalVarType)argu; // m_class可能是类或方法 String var_name = n.f1.accept(this, argu).getName(); String type_name = n.f0.accept(this, argu).getName(); // debug - System.out.println("Variable: \'" + var_name + "\' from class " + m_class.getName()); + System.out.println("Variable: \'" + var_name + "\' from class/method " + m_class.getName()); System.out.println("It has type: " + type_name); // 建立并插入变量 @@ -256,14 +256,23 @@ public class BuildSymbolTableVisitor extends GJDepthFirst<MType, MType> { */ public MType visit(MethodDeclaration n, MType argu) { MType _ret = null; - n.f0.accept(this, argu); - n.f1.accept(this, argu); - n.f2.accept(this, argu); - n.f3.accept(this, argu); - n.f4.accept(this, argu); - n.f5.accept(this, argu); - n.f6.accept(this, argu); - n.f7.accept(this, argu); + MClass m_class = (MClass)argu; + String ret_type = n.f1.accept(this, argu).getName(); + String method_name = n.f2.accept(this, argu).getName(); + MMethod m_method = new MMethod(method_name, n.f2.f0.beginLine, n.f2.f0.beginColumn); + + // 将定义的方法插入类中，如果出错则打印错误信息 + String _err = m_class.insertMethod(m_method); + if (_err!=null) { + PrintError.print(n.f2.f0.beginLine, n.f2.f0.beginColumn, _err); + } + + // 处理参数表 + n.f4.accept(this, m_method); + + // 函数局部变量处理 + n.f7.accept(this, m_method); + n.f8.accept(this, argu); n.f9.accept(this, argu); n.f10.accept(this, argu); |