Changeset f6e8c67 for src/Parser/ParseNode.h

Timestamp:

Mar 6, 2024, 6:06:43 AM (22 months ago)

Author:

JiadaL <j82liang@…>

Branches:

master

Children:

647d633

Parents:

bbf2cb1 (diff), af60383 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc

File:

• src/Parser/ParseNode.h (modified) (3 diffs)

src/Parser/ParseNode.h

@@ -33 +33 @@
 
 struct DeclarationNode;
-class InitializerNode;
-class ExpressionNode;
+struct InitializerNode;
+struct ExpressionNode;
 struct StatementNode;
 
@@ -45 +45 @@
 extern YYLTYPE yylloc;
 
-class ParseNode {
-  public:
-        ParseNode() {};
-        virtual ~ParseNode() { delete next; delete name; };
+struct ParseNode {
+        ParseNode() {}
+        virtual ~ParseNode() {}
         virtual ParseNode * clone() const = 0;
 
-        ParseNode * get_next() const { return next; }
-        ParseNode * set_next( ParseNode * newlink ) { next = newlink; return this; }
+        virtual void print( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const {}
 
-        ParseNode * get_last() {
-                ParseNode * current;
-                for ( current = this; current->get_next() != nullptr; current = current->get_next() );
+        static int indent_by;
+
+        CodeLocation location = yylloc;
+}; // ParseNode
+
+/// Only ever use in the form `struct NAME final : public ParseList<NAME>`!
+template<typename Next>
+struct ParseList : public ParseNode {
+        ParseList() {}
+        virtual ~ParseList() { delete next; };
+        virtual ParseList<Next> * clone() const = 0;
+
+        Next * get_last() {
+                Next * current = static_cast<Next *>( this );
+                while ( current->next != nullptr ) current = current->next;
                 return current;
         }
-        ParseNode * set_last( ParseNode * newlast ) {
-                if ( newlast != nullptr ) get_last()->set_next( newlast );
-                return this;
+        Next * set_last( Next * newlast ) {
+                if ( newlast != nullptr ) get_last()->next = newlast;
+                return static_cast<Next *>( this );
         }
 
-        virtual void print( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const {}
         virtual void printList( std::ostream & os, int indent = 0 ) const {
                 print( os, indent );
@@ -70 +79 @@
         }
 
-        static int indent_by;
-
-        ParseNode * next = nullptr;
-        const std::string * name = nullptr;
-        CodeLocation location = yylloc;
-}; // ParseNode
+        Next * next = nullptr;
+};
 
 // Must harmonize with OperName.