Fewer TODO comments

std/d/ast.d

@@ -58,7 +58,6 @@ abstract class ASTVisitor
     /** */ void visit(AssertExpression assertExpression) { assertExpression.accept(this); }
     /** */ void visit(AssertStatement assertStatement) { assertStatement.accept(this); }
     /** */ void visit(AssignExpression assignExpression) { assignExpression.accept(this); }
-    /** */ void visit(AssignStatement assignStatement) { assignStatement.accept(this); }
     /** */ void visit(AssocArrayLiteral assocArrayLiteral) { assocArrayLiteral.accept(this); }
     /** */ void visit(AtAttribute atAttribute) { atAttribute.accept(this); }
     /** */ void visit(Attribute attribute) { attribute.accept(this); }
@@ -542,18 +541,6 @@ public:
     /** */ TokenType operator;
 }
 
-///
-class AssignStatement : ASTNode
-{
-public:
-    mixin(DEFAULT_ACCEPT);
-    /** */ PreIncDecExpression preIncDecExpression;
-    /** */ PostIncDecExpression postIncDecExpression;
-    /** */ UnaryExpression[] unaryExpressions;
-    /** */ AssignExpression[] assignExpressions;
-    /** */ TokenType[] assignOperators;
-}
-
 ///
 class AssocArrayLiteral : ASTNode
 {
@@ -1482,7 +1469,6 @@ public:
     mixin(DEFAULT_ACCEPT);
     /** */ LabeledStatement labeledStatement;
     /** */ BlockStatement blockStatement;
-    /** */ AssignStatement assignStatement;
     /** */ IfStatement ifStatement;
     /** */ WhileStatement whileStatement;
     /** */ DoStatement doStatement;

std/d/parser.d

@@ -375,7 +375,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmAndExp parseAsmAndExp()
     {
         auto node = new AsmAndExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -390,7 +390,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmBrExp parseAsmBrExp()
     {
         auto node = new AsmBrExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -404,7 +404,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmEqualExp parseAsmEqualExp()
     {
         auto node = new AsmEqualExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -418,7 +418,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmExp parseAsmExp()
     {
         auto node = new AsmExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -437,7 +437,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmInstruction parseAsmInstruction()
     {
         auto node = new AsmInstruction;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -451,7 +451,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmLogAndExp parseAsmLogAndExp()
     {
         auto node = new AsmLogAndExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -465,7 +465,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmLogOrExp parseAsmLogOrExp()
     {
         auto node = new AsmLogOrExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -479,7 +479,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmMulExp parseAsmMulExp()
     {
         auto node = new AsmMulExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -493,7 +493,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmOrExp parseAsmOrExp()
     {
         auto node = new AsmOrExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -511,7 +511,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmPrimaryExp parseAsmPrimaryExp()
     {
         auto node = new AsmPrimaryExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -525,7 +525,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmRelExp parseAsmRelExp()
     {
         auto node = new AsmRelExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -539,7 +539,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmShiftExp parseAsmShiftExp()
     {
         auto node = new AsmShiftExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -553,7 +553,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmStatement parseAsmStatement()
     {
         auto node = new AsmStatement;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -573,7 +573,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmTypePrefix parseAsmTypePrefix()
     {
         auto node = new AsmTypePrefix;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -593,7 +593,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmUnaExp parseAsmUnaExp()
     {
         auto node = new AsmUnaExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -607,7 +607,7 @@ alias core.sys.posix.stdio.fileno fileno;
     AsmXorExp parseAsmXorExp()
     {
         auto node = new AsmXorExp;
-        // TODO
+        // TODO asm
         return node;
     }
 
@@ -674,21 +674,6 @@ alias core.sys.posix.stdio.fileno fileno;
         return node;
     }
 
-    /**
-     * Parses an AssignStatement
-     *
-     * $(GRAMMAR $(RULEDEF assignStatement):
-     *       $(RULE unaryExpression) $(RULE assignOperator) $(RULE assignExpression) ($(LITERAL ',') $(RULE unaryExpression) $(RULE assignOperator) $(RULE assignExpression))* $(LITERAL ';')
-     *     ;)
-     */
-    AssignStatement parseAssignStatement()
-    {
-        auto node = new AssignStatement;
-        // TODO
-        if (expect(TokenType.semicolon) is null) return null;
-        return node;
-    }
-
     /**
      * Parses an AssocArrayLiteral
      *
@@ -855,7 +840,22 @@ alias core.sys.posix.stdio.fileno fileno;
     AutoDeclaration parseAutoDeclaration()
     {
         auto node = new AutoDeclaration;
-        // TODO
+        node.storageClass = parseStorageClass();
+        if (node.storageClass is null) return null;
+        do
+        {
+            auto ident = expect(TokenType.identifier);
+            if (ident is null) return null;
+            node.identifiers ~= *ident;
+            if (expect(TokenType.assign) is null) return null;
+            auto init = parseInitializer();
+            if (init is null) return null;
+            node.initializers ~= init;
+            if (currentIs(TokenType.comma))
+                advance();
+            else
+                break;
+        } while (true);
         return node;
     }
 
@@ -2014,7 +2014,7 @@ class ClassFour(A, B) if (someTest()) : Super {}}c;
     EnumMember parseEnumMember()
     {
         auto node = new EnumMember;
-        // TODO
+        // TODO: ambiguity between type and identifier
         return node;
     }
 
@@ -2103,13 +2103,17 @@ class ClassFour(A, B) if (someTest()) : Super {}}c;
      */
     ForStatement parseForStatement()
     {
+        // forStatement:
+        //     'for' '(' declarationOrStatement expression? ';' expression? ')' statementNoCaseNoDefault
+        //     ;
         auto node = new ForStatement;
-        expect(TokenType.for_);
+        if (expect(TokenType.for_) is null) return null;
-        expect(TokenType.lParen);
+        if (expect(TokenType.lParen) is null) return null;
         // TODO
         assert (0);
-        expect(TokenType.rParen);
+        if (expect(TokenType.rParen) is null) return null;
         node.statementNoCaseNoDefault = parseStatementNoCaseNoDefault();
+        if (node.statementNoCaseNoDefault is null) return null;
         return node;
     }
 
@@ -2417,7 +2421,31 @@ body {} // six
     FunctionLiteralExpression parseFunctionLiteralExpression()
     {
         auto node = new FunctionLiteralExpression;
-        // TODO
+        if (currentIsOneOf(TokenType.function_, TokenType.delegate_))
+		{
+			node.functionOrDelegate = advance().type;
+			if (!currentIsOneOf(TokenType.lParen, TokenType.in_, TokenType.body_,
+				TokenType.out_, TokenType.rBrace))
+			{
+				node.type = parseType();
+				if (node.type is null) return null;
+			}
+		}
+		if (currentIs(TokenType.lParen))
+		{
+			node.parameters = parseParameters();
+			if (node.parameters is null) return null;
+			do
+			{
+				auto attr = parseFunctionAttribute(false);
+				if (attr is null)
+					break;
+				else
+					node.functionAttributes ~= attr;
+			} while (true);
+		}
+		node.functionBody = parseFunctionBody();
+		if (node.functionBody is null) return null;
         return node;
     }
 
@@ -3319,7 +3347,6 @@ invariant() foo();
      * $(GRAMMAR $(RULEDEF statementNoCaseNoDefault):
      *       $(RULE labeledStatement)
      *     | $(RULE blockStatement)
-     *     | $(RULE assignStatement)
      *     | $(RULE ifStatement)
      *     | $(RULE whileStatement)
      *     | $(RULE doStatement)
@@ -4801,7 +4828,7 @@ q{(int a, ...)
     TraitsArgument parseTraitsArgument()
     {
         auto node = new TraitsArgument;
-        // TODO
+        if ()
         return node;
     }
 
@@ -5100,7 +5127,16 @@ q{(int a, ...)
         auto node = new TypeidExpression;
         expect(TokenType.typeid_);
         expect(TokenType.lParen);
-        // TODO
+        if (isExpression())
+		{
+			node.expression = parseExpression();
+			if (node.expression is null) return null;
+		}
+		else
+		{
+			node.type = parseType();
+			if (node.type is null) return null;
+		}
         expect(TokenType.rParen);
         return node;
     }
@@ -5481,6 +5517,13 @@ private:
         return parseStatement() !is null;
     }
 
+	bool isExpression()
+	{
+		auto b = setBookmark();
+		scope (exit) goToBookmark(b);
+		return parseExpression() !is null;
+	}
+
     bool currentIsMemberFunctionAttribute() const
     {
         switch (current.type)