Allow parsing multiple designator expressions in a row

2 files changed, 270 insertions, 251 deletions

diff --git a/boot/stage16/cl.elna b/boot/stage16/cl.elna
index 89399fb..fc44bc7 100644
--- a/boot/stage16/cl.elna
+++ b/boot/stage16/cl.elna
@@ -1789,14 +1789,18 @@ var
 begin
 	simple_expression := elna_parser_simple_expression();
 
+	.elna_parser_designator_loop;
 	_elna_lexer_read_token(@token_kind);
 
 	if token_kind = ElnaLexerKind.hat then
-		simple_expression := elna_parser_dereference_expression(simple_expression)
+		simple_expression := elna_parser_dereference_expression(simple_expression);
+		goto elna_parser_designator_loop
 	elsif token_kind = ElnaLexerKind.dot then
-		simple_expression := elna_parser_field_access_expression(simple_expression)
+		simple_expression := elna_parser_field_access_expression(simple_expression);
+		goto elna_parser_designator_loop
 	elsif token_kind = ElnaLexerKind.left_paren then
-		simple_expression := elna_parser_call(simple_expression)
+		simple_expression := elna_parser_call(simple_expression);
+		goto elna_parser_designator_loop
 	end;
 	return simple_expression
 end;
@@ -2414,12 +2418,21 @@ var
 	first_instruction: Word;
 	last_instruction: Word;
 	type_kind: Word;
+	designator_base: Word;
+	aggregate_type: Word;
+	name_pointer: Word;
+	name_length: Word;
+	field_name_pointer: Word;
+	field_name_length: Word;
+	field_count: Word;
+	current_field: Word;
+	field_offset: Word;
 begin
 	node_kind := ElnaTreeNode_get_kind(parser_node);
 
 	if node_kind = ElnaTreeKind.dereference_expression then
 		parser_node := ElnaTreeDereferenceExpression_get_pointer(parser_node);
-		first_instruction := _elna_tac_simple_expression(parser_node, symbol_table, operand_type, operand_value, operand_length);
+		first_instruction := _elna_tac_designator(parser_node, symbol_table, is_address, operand_type, operand_value, operand_length);
 
 		last_instruction := _elna_tac_instruction_create(ElnaTacOperator.copy);
 		_elna_tac_instruction_set_operand(last_instruction, 1, ElnaTacOperand.temporary, 6, 0);
@@ -2436,17 +2449,42 @@ begin
 		type_kind := ElnaType_get_kind(expression_type);
 
 		if type_kind = ElnaTypeKind.enumeration then
-			first_instruction := _elna_tac_enumeration_value(parser_node, operand_type, operand_value, operand_length)
+			first_instruction := _elna_tac_enumeration_value(parser_node, operand_type, operand_value, operand_length);
+			is_address^ := 0
 		else
-			(* Stub for record field access. Always generate nil for field access expression until it is implemented. *)
+			designator_base := ElnaTreeFieldAccessExpression_get_aggregate(parser_node);
+			first_instruction := _elna_tac_designator(designator_base, symbol_table, is_address, operand_type, operand_value, operand_length);
+			aggregate_type := ElnaTreeExpression_get_type_decoration(designator_base);
+			name_pointer := ElnaTreeFieldAccessExpression_get_field(parser_node);
+			name_length := ElnaTreeFieldAccessExpression_get_length(parser_node);
 
-			operand_type^ := ElnaTacOperand.immediate;
-			operand_value^ := 0;
+			field_count := ElnaTypeRecord_get_length(aggregate_type);
+			current_field := ElnaTypeRecord_get_members(aggregate_type);
+			field_offset := 0;
+
+			.elna_tac_designator_field;
+
+			field_name_pointer := ElnaTypeField_get_name(current_field);
+			field_name_length := ElnaTypeField_get_length(current_field);
+
+			if string_compare(name_pointer, name_length, field_name_pointer, field_name_length) = 0 then
+				field_count := field_count - 1;
+				current_field := current_field + ElnaTypeField_size();
+				field_offset := field_offset + 4;
+				goto elna_tac_designator_field
+			end;
+			last_instruction := _elna_tac_instruction_create(ElnaTacOperator.add);
+			_elna_tac_instruction_set_operand(last_instruction, 1, ElnaTacOperand.temporary, 6, 0);
+			_elna_tac_instruction_set_operand(last_instruction, 2, ElnaTacOperand.immediate, field_offset, 0);
+			_elna_tac_instruction_set_operand(last_instruction, 3, operand_type^, operand_value^, operand_length^);
+
+			operand_type^ := ElnaTacOperand.temporary;
+			operand_value^ := 6;
 			operand_length^ := 0;
 
-			first_instruction := nil
+			is_address^ := 1;
+			first_instruction := elna_instruction_list_concatenate(first_instruction, last_instruction)
 		end;
-		is_address^ := 0
 	elsif node_kind = ElnaTreeKind.call then
 		first_instruction := _elna_tac_call(parser_node, symbol_table);
 
@@ -4411,7 +4449,7 @@ begin
 
 	if expression_kind = ElnaTreeKind.dereference_expression then
 		designator_base := ElnaTreeDereferenceExpression_get_pointer(parser_node);
-		elna_type_simple_expression(designator_base, symbol_table);
+		elna_type_designator(designator_base, symbol_table);
 
 		base_type := ElnaTreeExpression_get_type_decoration(designator_base);
 		type_kind := ElnaType_get_kind(base_type);
@@ -4442,7 +4480,7 @@ begin
 		end;
 		(* If the base_type is still nil this is record field access. *)
 		if base_type = nil then
-			elna_type_simple_expression(designator_base, symbol_table);
+			elna_type_designator(designator_base, symbol_table);
 			aggregate_type := ElnaTreeExpression_get_type_decoration(designator_base);
 			name_pointer := ElnaTreeFieldAccessExpression_get_field(parser_node);
 			name_length := ElnaTreeFieldAccessExpression_get_length(parser_node);
@@ -4455,12 +4493,12 @@ begin
 			field_name_pointer := ElnaTypeField_get_name(current_field);
 			field_name_length := ElnaTypeField_get_length(current_field);
 
-			if string_compare(name_pointer, name_length, field_name_pointer, field_name_length) then
+			if string_compare(name_pointer, name_length, field_name_pointer, field_name_length) = 0 then
 				(* Debug. Error stream output.
-				_syscall(2, name_pointer, name_length, 0, 0, 0, 64); *)
+				_syscall(2, name_pointer, name_length, 0, 0, 0, 64);
 				printf("# if %.*s\n\0", name_length, name_pointer);
-				fflush(0)
-			else
+				fflush(0) *)
+
 				field_count := field_count - 1;
 				current_field := current_field + ElnaTypeField_size();
 				goto elna_type_designator_field
diff --git a/boot/stage17/cl.elna b/boot/stage17/cl.elna
index 66f4282..7f33df0 100644
--- a/boot/stage17/cl.elna
+++ b/boot/stage17/cl.elna
@@ -938,19 +938,19 @@ end;
 
 proc elna_rtl_binary_operands(tac_instruction: Word, next_instruction: Word);
 var
-	lhs: Word;
-	rhs: Word;
+	lhs: ^ElnaInstructionList;
+	rhs: ^ElnaInstructionList;
 begin
 	lhs := elna_rtl_load_operand_value(tac_instruction, 2, ElnaRtlRegister.t2);
 	rhs := elna_rtl_load_operand_value(tac_instruction, 3, ElnaRtlRegister.t3);
 
-	next_instruction^ := ElnaInstructionList_get_next(lhs);
+	next_instruction^ := lhs^.next;
 	if next_instruction^ = 0 then
-		ElnaInstructionList_set_next(lhs, rhs)
+		lhs^.next := rhs
 	else
-		ElnaInstructionList_set_next(next_instruction^, rhs)
+		next_instruction^^ := rhs
 	end;
-	next_instruction^ := ElnaInstructionList_get_next(rhs);
+	next_instruction^ := rhs^.next;
 	if next_instruction^ = 0 then
 		next_instruction^ := rhs
 	end;
@@ -1040,12 +1040,12 @@ end;
 
 proc elna_rtl_instruction(tac_instruction: Word, next_instruction: Word);
 var
-	result: Word;
+	result: ^ElnaInstructionList;
 	instruction_size: Word;
 	instruction_kind: Word;
 	operand_type: Word;
 	operand_value: Word;
-	operands: Word;
+	operands: ^ElnaInstructionList;
 	intermediate_instruction: Word;
 begin
 	instruction_size := elna_rtl_instruction_size();
@@ -1101,7 +1101,7 @@ begin
 		operands := elna_rtl_load_operand_value(tac_instruction, 1, ElnaRtlRegister.t0);
 		next_instruction^ := elna_rtl_instruction_create(ElnaRtlOperator.sw);
 		result := operands;
-		operands := ElnaInstructionList_get_next(result);
+		operands := result^.next;
 
 		elna_rtl_instruction_set_operand(next_instruction^, 1, ElnaRtlOperand.register, ElnaRtlRegister.t0, 0);
 
@@ -1214,11 +1214,11 @@ begin
 
 		if operand_type = ElnaTacOperand.temporary then
 			result := elna_rtl_load_operand_value(tac_instruction, 2, operand_value);
-			next_instruction^ := ElnaInstructionList_get_next(result)
+			next_instruction^ := result^.next
 		elsif operand_type = ElnaTacOperand.stack then
 			operands := elna_rtl_load_operand_value(tac_instruction, 2, ElnaRtlRegister.t4);
 			result := operands;
-			operands := ElnaInstructionList_get_next(result);
+			operands := result^.next;
 
 			next_instruction^ := elna_rtl_instruction_create(ElnaRtlOperator.sw);
 			_elna_tac_instruction_set_operand(next_instruction^, 1, ElnaRtlOperand.register, ElnaRtlRegister.t4, 0);
@@ -1413,7 +1413,7 @@ begin
 	_write_c('\n')
 end;
 
-proc elna_rtl_instructions(instruction: Word);
+proc elna_rtl_instructions(instruction: ^ElnaInstructionList);
 var
 	current_copy: Word;
 	next_copy: Word;
@@ -1422,7 +1422,7 @@ var
 begin
 	if instruction <> 0 then
 		first_copy := elna_rtl_instruction(instruction, @current_copy);
-		instruction := ElnaInstructionList_get_next(instruction)
+		instruction := instruction^.next
 	else
 		first_copy := 0;
 		current_copy := 0
@@ -1432,7 +1432,7 @@ begin
 	if instruction <> 0 then
 		next_copy := elna_rtl_instruction(instruction, @last_copy);
 
-		instruction := ElnaInstructionList_get_next(instruction);
+		instruction := instruction^.next;
 		ElnaInstructionList_set_next(current_copy, next_copy);
 		current_copy := last_copy;
 		goto elna_rtl_instructions_start
@@ -1441,120 +1441,96 @@ begin
 	return first_copy
 end;
 
-proc _elna_writer_instructions(instruction: Word);
+proc _elna_writer_instructions(instruction: ^ElnaInstructionList);
 begin
 	.elna_writer_instructions_start;
 	if instruction <> 0 then
 		_elna_writer_instruction(instruction);
-		instruction := ElnaInstructionList_get_next(instruction);
+		instruction := instruction^.next;
 		goto elna_writer_instructions_start
 	end
 end;
 
-proc _elna_writer_procedure(procedure: Word);
-var
-	name_pointer: Word;
-	name_length: Word;
-	body_statements: Word;
-	has_stack: Word;
+proc _elna_writer_procedure(procedure: ^ElnaInstructionDeclaration);
 begin
 	.elna_writer_procedure_loop;
-	name_pointer := ElnaInstructionDeclaration_get_name(procedure);
-	name_length := ElnaInstructionDeclaration_get_length(procedure);
-	body_statements := ElnaInstructionDeclaration_get_body(procedure);
-	has_stack := ElnaInstructionDeclaration_get_stack(procedure);
 
 	(* Write .type _procedure_name, @function. *)
 	_write_z(".type \0");
 
-	_write_s(name_pointer, name_length);
+	_write_s(procedure^.name, procedure^.length);
 	_write_z(", @function\n\0");
 
 	(* Write procedure label, _procedure_name: *)
-	_write_s(name_pointer, name_length);
+	_write_s(procedure^.name, procedure^.length);
 	_write_z(":\n\0");
 
 	(* Write the prologue. *)
-	if has_stack then
+	if procedure^.stack then
 		_write_z("\taddi sp, sp, -144\n\tsw ra, 140(sp)\n\tsw s0, 136(sp)\n\taddi s0, sp, 144\n\0")
 	end;
-	_elna_writer_instructions(body_statements);
+	_elna_writer_instructions(procedure^.body);
 	(* Write the epilogue. *)
-	if has_stack then
+	if procedure^.stack then
 		_write_z("\tlw ra, 140(sp)\n\tlw s0, 136(sp)\n\taddi sp, sp, 144\n\0")
 	end;
 	_write_z("\tret\n\0");
 
-	procedure := ElnaInstructionList_get_next(procedure);
+	procedure := procedure^.next;
 	if procedure <> 0 then
 		goto elna_writer_procedure_loop
 	end
 end;
 
-proc _elna_writer_variable(variable: Word);
-var
-	name: Word;
-	name_length: Word;
-	size: Word;
+proc _elna_writer_variable(variable: ^ElnaInstructionDeclaration);
 begin
 	.elna_writer_variable_loop;
 	if variable <> 0 then
-		name := ElnaInstructionDeclaration_get_name(variable);
-		name_length := ElnaInstructionDeclaration_get_length(variable);
-		size := ElnaInstructionDeclaration_get_body(variable);
-
 		_write_z(".type \0");
-		_write_s(name, name_length);
+		_write_s(variable^.name, variable^.length);
 		_write_z(", @object\n\0");
 
-		_write_s(name, name_length);
+		_write_s(variable^.name, variable^.length);
 		_write_c(':');
 
 		_write_z(" .zero \0");
-		_write_i(size);
+		_write_i(variable^.body);
 
 		_write_c('\n');
-		variable := ElnaInstructionList_get_next(variable);
+		variable := variable^.next;
 
 		goto elna_writer_variable_loop
 	end
 end;
 
-proc elna_rtl_module_declaration(tac_module: Word);
+proc elna_rtl_module_declaration(tac_module: ^ElnaInstructionModule);
 var
 	code_part: Word;
 	data_part: Word;
-	current_part: Word;
 begin
-	current_part := ElnaInstructionModule_get_data(tac_module);
-	data_part := elna_rtl_globals(current_part);
-
-	current_part := ElnaInstructionModule_get_code(tac_module);
-	code_part := elna_rtl_procedures(current_part);
+	data_part := elna_rtl_globals(tac_module^.data);
+	code_part := elna_rtl_procedures(tac_module^.code);
 
 	return elna_instruction_module_create(data_part, code_part)
 end;
 
-proc _elna_writer_module(pair: Word);
+proc _elna_writer_module(pair: ^ElnaInstructionModule);
 var
 	compiler_strings_copy: Word;
 	compiler_strings_end: Word;
 	current_byte: Word;
-	current_part: Word;
 begin
 	_write_z(".globl main\n\n\0");
 	_write_z(".section .data\n\0");
 
-	current_part := ElnaInstructionModule_get_data(pair);
-	_elna_writer_variable(current_part);
+	_elna_writer_variable(pair^.data);
 
 	_write_z(".section .text\n\n\0");
 	_write_z(".type _syscall, @function\n_syscall:\n\tmv a7, a6\n\tecall\n\tret\n\n\0");
 	_write_z(".type _load_byte, @function\n_load_byte:\n\tlb a0, (a0)\nret\n\n\0");
 	_write_z(".type _store_byte, @function\n_store_byte:\n\tsb a0, (a1)\nret\n\n\0");
 
-	current_part := ElnaInstructionModule_get_code(pair);
-	_elna_writer_procedure(current_part);
+	_elna_writer_procedure(pair^.code);
 
 	_write_z(".section .rodata\n.type strings, @object\nstrings: .ascii \0");
 	_write_c('"');
@@ -1578,43 +1554,44 @@ proc elna_parser_integer_literal();
 var
 	integer_token: Word;
 	integer_length: Word;
-	result: Word;
+	result: ^ElnaTreeIntegerLiteral;
 begin
 	result := malloc(ElnaTreeIntegerLiteral_size());
 
+	(* TODO: Convert the integer string to a number. *)
 	integer_token := _elna_lexer_global_get_start();
 	integer_length := _elna_lexer_global_get_end();
 	integer_length := integer_length -  integer_token;
 	_elna_lexer_skip_token();
 
-	ElnaTreeNode_set_kind(result, ElnaTreeKind.integer_literal);
-	ElnaTreeIntegerLiteral_set_value(result, integer_token);
-	ElnaTreeIntegerLiteral_set_length(result, integer_length);
-	ElnaTreeExpression_set_type_decoration(result, nil);
+	result^.kind := ElnaTreeKind.integer_literal;
+	result^.value := integer_token;
+	result^.length := integer_length;
+	result^.type_decoration := nil;
 
 	return result
 end;
 
 proc elna_parser_nil_literal();
 var
-	result: Word;
+	result: ^ElnaTreeNilLiteral;
 begin
 	_elna_lexer_skip_token();
 
 	result := malloc(ElnaTreeNilLiteral_size());
-	ElnaTreeNode_set_kind(result, ElnaTreeKind.null);
-	ElnaTreeExpression_set_type_decoration(result, nil);
+	result^.kind := ElnaTreeKind.null;
+	result^.type_decoration := nil;
 
 	return result
 end;
 
-proc _elna_tac_integer_literal(integer_literal_node: Word, operand_type: Word, operand_value: Word, operand_length: Word);
+proc _elna_tac_integer_literal(integer_literal_node: ^ElnaTreeIntegerLiteral, operand_type: Word, operand_value: Word, operand_length: Word);
 begin
 	operand_type^ := ElnaTacOperand.immediate;
-	operand_value^ := ElnaTreeIntegerLiteral_get_value(integer_literal_node);
-	operand_length^ := ElnaTreeIntegerLiteral_get_length(integer_literal_node);
+	operand_value^ := integer_literal_node^.value;
+	operand_length^ := integer_literal_node^.length;
 
-	return 0
+	return nil
 end;
 
 proc _elna_tac_nil_literal(nil_node: Word, operand_type: Word, operand_value: Word, operand_length: Word);
@@ -1623,14 +1600,14 @@ begin
 	operand_value^ := 0;
 	operand_length^ := 0;
 
-	return 0
+	return nil
 end;
 
 proc elna_parser_character_literal();
 var
 	character: Word;
 	character_length: Word;
-	result: Word;
+	result: ^ElnaTreeIntegerLiteral;
 begin
 	result := malloc(ElnaTreeCharacterLiteral_size());
 
@@ -1639,28 +1616,28 @@ begin
 	character_length := character_length - character;
 	_elna_lexer_skip_token();
 
-	ElnaTreeNode_set_kind(result, ElnaTreeKind.character_literal);
-	ElnaTreeIntegerLiteral_set_value(result, character);
-	ElnaTreeIntegerLiteral_set_length(result, character_length);
-	ElnaTreeExpression_set_type_decoration(result, nil);
+	result^.kind := ElnaTreeKind.character_literal;
+	result^.value := character;
+	result^.length := character_length;
+	result^.type_decoration := nil;
 
 	return result
 end;
 
-proc _elna_tac_character_literal(character_literal_node: Word, operand_type: Word, operand_value: Word, operand_length: Word);
+proc _elna_tac_character_literal(character_literal_node: ^ElnaTreeCharacterLiteral, operand_type: Word, operand_value: Word, operand_length: Word);
 begin
 	operand_type^ := ElnaTacOperand.immediate;
-	operand_value^ :=ElnaTreeCharacterLiteral_get_value(character_literal_node);
-	operand_length^ := ElnaTreeCharacterLiteral_get_length(character_literal_node);
+	operand_value^ := character_literal_node^.value;
+	operand_length^ := character_literal_node^.length;
 
-	return 0
+	return nil
 end;
 
 proc elna_parser_variable_expression();
 var
 	name_pointer: Word;
 	name_length: Word;
-	result: Word;
+	result: ^ElnaTreeVariableExpression;
 begin
 	name_pointer := _elna_lexer_global_get_start();
 	name_length := _elna_lexer_global_get_end() - name_pointer;
@@ -1668,34 +1645,29 @@ begin
 
 	result := malloc(ElnaTreeVariableExpression_size());
 
-	ElnaTreeNode_set_kind(result, ElnaTreeKind.variable_expression);
-	ElnaTreeVariableExpression_set_name(result, name_pointer);
-	ElnaTreeVariableExpression_set_length(result, name_length);
-	ElnaTreeExpression_set_type_decoration(result, nil);
+	result^.kind := ElnaTreeKind.variable_expression;
+	result^.name := name_pointer;
+	result^.length := name_length;
+	result^.type_decoration :=  nil;
 
 	return result
 end;
 
-proc _elna_tac_variable_expression(variable_expression: Word, symbol_table: Word, operand_type: Word, operand_value: Word, operand_length: Word);
+proc _elna_tac_variable_expression(variable_expression: ^ElnaTreeVariableExpression, symbol_table: Word, operand_type: Word, operand_value: Word, operand_length: Word);
 var
-	name_pointer: Word;
-	name_length: Word;
-	lookup_result: Word;
+	lookup_result: ^_parameter_info;
 begin
-	name_pointer := ElnaTreeVariableExpression_get_name(variable_expression);
-	name_length := ElnaTreeVariableExpression_get_length(variable_expression);
-
-	lookup_result := _symbol_table_lookup(symbol_table, name_pointer, name_length);
-	if lookup_result <> 0 then
+	lookup_result := _symbol_table_lookup(symbol_table, variable_expression^.name, variable_expression^.length);
+	if lookup_result <> nil then
 		operand_type^ := ElnaTacOperand.stack;
-		operand_value^ := _parameter_info_get_offset(lookup_result);
+		operand_value^ := lookup_result^.offset;
 		operand_length^ := 0
 	else
 		operand_type^ := ElnaTacOperand.symbol;
-		operand_value^ := name_pointer;
-		operand_length^ := name_length
+		operand_value^ := variable_expression^.name;
+		operand_length^ := variable_expression^.length
 	end;
-	return 0
+	return nil
 end;
 
 proc elna_parser_string_literal();
@@ -1789,14 +1761,18 @@ var
 begin
 	simple_expression := elna_parser_simple_expression();
 
+	.elna_parser_designator_loop;
 	_elna_lexer_read_token(@token_kind);
 
 	if token_kind = ElnaLexerKind.hat then
-		simple_expression := elna_parser_dereference_expression(simple_expression)
+		simple_expression := elna_parser_dereference_expression(simple_expression);
+		goto elna_parser_designator_loop
 	elsif token_kind = ElnaLexerKind.dot then
-		simple_expression := elna_parser_field_access_expression(simple_expression)
+		simple_expression := elna_parser_field_access_expression(simple_expression);
+		goto elna_parser_designator_loop
 	elsif token_kind = ElnaLexerKind.left_paren then
-		simple_expression := elna_parser_call(simple_expression)
+		simple_expression := elna_parser_call(simple_expression);
+		goto elna_parser_designator_loop
 	end;
 	return simple_expression
 end;
@@ -2414,12 +2390,21 @@ var
 	first_instruction: Word;
 	last_instruction: Word;
 	type_kind: Word;
+	designator_base: Word;
+	aggregate_type: Word;
+	name_pointer: Word;
+	name_length: Word;
+	field_name_pointer: Word;
+	field_name_length: Word;
+	field_count: Word;
+	current_field: Word;
+	field_offset: Word;
 begin
 	node_kind := ElnaTreeNode_get_kind(parser_node);
 
 	if node_kind = ElnaTreeKind.dereference_expression then
 		parser_node := ElnaTreeDereferenceExpression_get_pointer(parser_node);
-		first_instruction := _elna_tac_simple_expression(parser_node, symbol_table, operand_type, operand_value, operand_length);
+		first_instruction := _elna_tac_designator(parser_node, symbol_table, is_address, operand_type, operand_value, operand_length);
 
 		last_instruction := _elna_tac_instruction_create(ElnaTacOperator.copy);
 		_elna_tac_instruction_set_operand(last_instruction, 1, ElnaTacOperand.temporary, 6, 0);
@@ -2436,17 +2421,42 @@ begin
 		type_kind := ElnaType_get_kind(expression_type);
 
 		if type_kind = ElnaTypeKind.enumeration then
-			first_instruction := _elna_tac_enumeration_value(parser_node, operand_type, operand_value, operand_length)
+			first_instruction := _elna_tac_enumeration_value(parser_node, operand_type, operand_value, operand_length);
+			is_address^ := 0
 		else
-			(* Stub for record field access. Always generate nil for field access expression until it is implemented. *)
+			designator_base := ElnaTreeFieldAccessExpression_get_aggregate(parser_node);
+			first_instruction := _elna_tac_designator(designator_base, symbol_table, is_address, operand_type, operand_value, operand_length);
+			aggregate_type := ElnaTreeExpression_get_type_decoration(designator_base);
+			name_pointer := ElnaTreeFieldAccessExpression_get_field(parser_node);
+			name_length := ElnaTreeFieldAccessExpression_get_length(parser_node);
+
+			field_count := ElnaTypeRecord_get_length(aggregate_type);
+			current_field := ElnaTypeRecord_get_members(aggregate_type);
+			field_offset := 0;
+
+			.elna_tac_designator_field;
+
+			field_name_pointer := ElnaTypeField_get_name(current_field);
+			field_name_length := ElnaTypeField_get_length(current_field);
 
-			operand_type^ := ElnaTacOperand.immediate;
-			operand_value^ := 0;
+			if string_compare(name_pointer, name_length, field_name_pointer, field_name_length) = 0 then
+				field_count := field_count - 1;
+				current_field := current_field + ElnaTypeField_size();
+				field_offset := field_offset + 4;
+				goto elna_tac_designator_field
+			end;
+			last_instruction := _elna_tac_instruction_create(ElnaTacOperator.add);
+			_elna_tac_instruction_set_operand(last_instruction, 1, ElnaTacOperand.temporary, 6, 0);
+			_elna_tac_instruction_set_operand(last_instruction, 2, ElnaTacOperand.immediate, field_offset, 0);
+			_elna_tac_instruction_set_operand(last_instruction, 3, operand_type^, operand_value^, operand_length^);
+
+			operand_type^ := ElnaTacOperand.temporary;
+			operand_value^ := 6;
 			operand_length^ := 0;
 
-			first_instruction := nil
+			is_address^ := 1;
+			first_instruction := elna_instruction_list_concatenate(first_instruction, last_instruction)
 		end;
-		is_address^ := 0
 	elsif node_kind = ElnaTreeKind.call then
 		first_instruction := _elna_tac_call(parser_node, symbol_table);
 
@@ -3505,40 +3515,28 @@ begin
 	return first_instruction
 end;
 
-proc elna_rtl_global_declaration(tac_declaration: Word);
+proc elna_rtl_global_declaration(tac_declaration: ^ElnaInstructionDeclaration);
 var
-	name: Word;
-	length: Word;
-	body: Word;
-	result: Word;
+	result: ElnaInstructionDeclaration;
 begin
 	result := malloc(ElnaInstructionDeclaration_size());
-	name := ElnaInstructionDeclaration_get_name(tac_declaration);
-	length := ElnaInstructionDeclaration_get_length(tac_declaration);
-	body := ElnaInstructionDeclaration_get_body(tac_declaration);
 
-	ElnaInstructionList_set_next(result, 0);
-	ElnaInstructionDeclaration_set_name(result, name);
-	ElnaInstructionDeclaration_set_length(result, length);
-	ElnaInstructionDeclaration_set_body(result, body);
+	result^.next := 0;
+	result^.name := tac_declaration^.name;
+	result^.length := tac_declaration^.length;
+	result^.body := tac_declaration^.body;
 
 	return result
 end;
 
-proc elna_rtl_procedure_declaration(tac_declaration: Word);
+proc elna_rtl_procedure_declaration(tac_declaration: ^ElnaInstructionDeclaration);
 var
-	name: Word;
-	length: Word;
 	body: Word;
-	result: Word;
+	result: ^ElnaInstructionDeclaration;
 	return_instruction: Word;
-	has_stack: Word;
 begin
 	result := malloc(ElnaInstructionDeclaration_size());
-	name := ElnaInstructionDeclaration_get_name(tac_declaration);
-	length := ElnaInstructionDeclaration_get_length(tac_declaration);
-	has_stack := ElnaInstructionDeclaration_get_stack(tac_declaration);
-	body := ElnaInstructionDeclaration_get_body(tac_declaration);
+	body := tac_declaration^.body;
 	body := elna_rtl_instructions(body);
 
 	return_instruction := elna_rtl_instruction_create(ElnaRtlOperator.allocate_stack);
@@ -3547,50 +3545,45 @@ begin
 	return_instruction := elna_rtl_instruction_create(ElnaRtlOperator.ret);
 	elna_instruction_list_concatenate(body, return_instruction);
 
-	ElnaInstructionList_set_next(result, 0);
-	ElnaInstructionDeclaration_set_name(result, name);
-	ElnaInstructionDeclaration_set_length(result, length);
-	ElnaInstructionDeclaration_set_stack(result, has_stack);
-	ElnaInstructionDeclaration_set_body(result, body);
+	result^.next := nil;
+	result^.name := tac_declaration^.name;
+	result^.length := tac_declaration^.length;
+	result^.stack := tac_declaration^.stack;
+	result^.body := body;
 
 	return result
 end;
 
-proc _elna_tac_procedure_declaration(parser_node: Word);
+proc _elna_tac_procedure_declaration(parser_node: _procedure_declaration);
 var
-	name_pointer: Word;
-	name_length: Word;
 	current_parameter: Word;
 	body: Word;
 	new_symbol_table: Word;
-	symbol_info: Word;
+	symbol_info: ^_procedure_info;
 	instruction: Word;
 	first_instruction: Word;
-	result: Word;
+	result: ^ElnaInstructionDeclaration;
 	result_size: Word;
 begin
 	result := malloc(ElnaInstructionDeclaration_size());
 
-	ElnaInstructionList_set_next(result, 0);
-	ElnaInstructionDeclaration_set_stack(result, 1);
-
-	name_pointer := _declaration_get_name(parser_node);
-	name_length := _declaration_get_length(parser_node);
+	result^.next := nil;
+	result^.stack := 1;
 
-	ElnaInstructionDeclaration_set_name(result, name_pointer);
-	ElnaInstructionDeclaration_set_length(result, name_length);
+	result^.name := parser_node^.name;
+	result^.length := parser_node^.length;
 
-	symbol_info := _symbol_table_lookup(@symbol_table_global, name_pointer, name_length);
-	new_symbol_table := _procedure_info_get_symbol_table(symbol_info);
+	symbol_info := _symbol_table_lookup(@symbol_table_global, parser_node^.name, parser_node^.length);
+	new_symbol_table := symbol_info^.symbol_table;
 
-	current_parameter := _procedure_declaration_get_parameters(parser_node);
+	current_parameter := parser_node^.parameters;
 	first_instruction := _elna_tac_parameters(current_parameter, new_symbol_table);
 
 	body := _procedure_declaration_get_body(parser_node);
 	instruction := _elna_tac_statements(body, new_symbol_table);
 	first_instruction := elna_instruction_list_concatenate(first_instruction, instruction);
 
-	ElnaInstructionDeclaration_set_body(result, first_instruction);
+	result^.body := first_instruction;
 
 	return result
 end;
@@ -3626,17 +3619,17 @@ begin
 	return result
 end;
 
-proc elna_rtl_globals(tac_procedure: Word);
+proc elna_rtl_globals(tac_procedure: ^ElnaInstructionList);
 var
-	current_copy: Word;
+	current_copy: ^ElnaInstructionList;
 	next_copy: Word;
-	first_copy: Word;
+	first_copy: ^ElnaInstructionList;
 begin
 	if tac_procedure <> 0 then
 		first_copy := elna_rtl_global_declaration(tac_procedure);
-		tac_procedure := ElnaInstructionList_get_next(tac_procedure)
+		tac_procedure := tac_procedure^.next
 	else
-		first_copy := 0;
+		first_copy := nil
 	end;
 	current_copy := first_copy;
 
@@ -3645,8 +3638,8 @@ begin
 	if tac_procedure <> 0 then
 		next_copy := elna_rtl_global_declaration(tac_procedure);
 
-		tac_procedure := ElnaInstructionList_get_next(tac_procedure);
-		ElnaInstructionList_set_next(current_copy, next_copy);
+		tac_procedure := tac_procedure^.next;
+		current_copy^.next := next_copy;
 		current_copy := next_copy;
 		goto elna_rtl_globals_start
 	end;
@@ -3654,27 +3647,27 @@ begin
 	return first_copy
 end;
 
-proc elna_rtl_procedures(tac_procedure: Word);
+proc elna_rtl_procedures(tac_procedure: ^ElnaInstructionList);
 var
-	current_copy: Word;
+	current_copy: ^ElnaInstructionList;
 	next_copy: Word;
-	first_copy: Word;
+	first_copy: ^ElnaInstructionList;
 begin
-	if tac_procedure <> 0 then
+	if tac_procedure <> nil then
 		first_copy := elna_rtl_procedure_declaration(tac_procedure);
-		tac_procedure := ElnaInstructionList_get_next(tac_procedure)
+		tac_procedure := tac_procedure^.next
 	else
-		first_copy := 0;
+		first_copy := nil;
 	end;
 	current_copy := first_copy;
 
 	.elna_rtl_procedures_start;
 
-	if tac_procedure <> 0 then
+	if tac_procedure <> nil then
 		next_copy := elna_rtl_procedure_declaration(tac_procedure);
 
-		tac_procedure := ElnaInstructionList_get_next(tac_procedure);
-		ElnaInstructionList_set_next(current_copy, next_copy);
+		tac_procedure := tac_procedure^.next;
+		current_copy^.next := next_copy;
 		current_copy := next_copy;
 		goto elna_rtl_procedures_start
 	end;
@@ -3682,10 +3675,10 @@ begin
 	return first_copy
 end;
 
-proc _elna_tac_procedures(parser_node: Word);
+proc _elna_tac_procedures(parser_node: ^_declaration);
 var
 	result: Word;
-	current_procedure: Word;
+	current_procedure: ^ElnaInstructionList;
 	first_procedure: Word;
 begin
 	first_procedure := 0;
@@ -3698,11 +3691,11 @@ begin
 	if first_procedure = 0 then
 		first_procedure := result
 	else
-		ElnaInstructionList_set_next(current_procedure, result)
+		current_procedure^.next := result
 	end;
 	current_procedure := result;
 
-	parser_node := _declaration_get_next(parser_node);
+	parser_node := parser_node^.next;
 	goto elna_tac_procedures_loop;
 
 	.elna_tac_procedures_end;
@@ -3757,16 +3750,16 @@ begin
 	return result
 end;
 
-proc elna_name_type_declaration(parser_node: Word);
+proc elna_name_type_declaration(parser_node: ^_type_declaration);
 var
 	type_name: Word;
 	name_length: Word;
 	type_info: Word;
 begin
-	type_name := _declaration_get_name(parser_node);
-	name_length := _declaration_get_length(parser_node);
+	type_name := parser_node^.name;
+	name_length := parser_node^.length;
 
-	parser_node := _type_declaration_get__type(parser_node);
+	parser_node := parser_node^._type;
 	type_info := elna_name_type_expression(parser_node);
 	type_info := _type_info_create(type_info);
 
@@ -3843,32 +3836,32 @@ begin
 	return result
 end;
 
-proc _elna_tac_variable_declaration(parser_tree: Word);
+proc _elna_tac_variable_declaration(parser_tree: ^_variable_declaration);
 var
 	name: Word;
 	name_length: Word;
-	variable_type: Word;
-	result: Word;
+	variable_type: ^ElnaTreeNamedTypeExpression;
+	result: ^ElnaInstructionDeclaration;
 begin
 	result := malloc(ElnaInstructionDeclaration_size());
 
-	ElnaInstructionList_set_next(result, 0);
+	result^.next := nil;
 
-	name := _declaration_get_name(parser_tree);
-	name_length := _declaration_get_length(parser_tree);
-	variable_type := _variable_declaration_get__type(parser_tree);
+	name := parser_tree^.name;
+	name_length := parser_tree^.length;
+	variable_type := parser_tree^._type;
 
-	ElnaInstructionDeclaration_set_name(result, name);
-	ElnaInstructionDeclaration_set_length(result, name_length);
+	result^.name := name;
+	result^.length := name_length;
 
-	name := ElnaTreeNamedTypeExpression_get_name(variable_type);
-	name_length := ElnaTreeNamedTypeExpression_get_length(variable_type);
+	name := variable_type^.name;
+	name_length := variable_type^.length;
 
 	if string_compare("Array", 5, name, name_length) then
 		(* Else we assume this is a zeroed 4096 bytes big array. *)
-		ElnaInstructionDeclaration_set_body(result, 4096)
+		result^.body := 4096
 	else
-		ElnaInstructionDeclaration_set_body(result, 4)
+		result^.body := 4
 	end;
 	return result
 end;
@@ -3937,11 +3930,10 @@ begin
 	return first_result
 end;
 
-proc _elna_tac_type_record(name_pointer: Word, name_length: Word, type_representation: Word, current_result: Word);
+proc _elna_tac_type_record(name_pointer: Word, name_length: Word, type_representation: ^ElnaTypeRecord, current_result: Word);
 var
 	first_result: Word;
-	result: Word;
-	type_size: Word;
+	result: ^ElnaInstructionList;
 	new_name: Word;
 	new_length: Word;
 	instruction: Word;
@@ -3952,7 +3944,6 @@ begin
 	first_result := malloc(ElnaInstructionDeclaration_size());
 	result := 0;
 
-	type_size := ElnaType_get_size(type_representation);
 	new_length := name_length + 5;
 	new_name := malloc(new_length);
 
@@ -3964,12 +3955,12 @@ begin
 
 	instruction := _elna_tac_instruction_create(ElnaTacOperator.copy);
 	_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 11, 0);
-	_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.immediate, type_size, 0);
+	_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.immediate, type_representation^.size, 0);
 
 	ElnaInstructionDeclaration_set_body(first_result, instruction);
 
-	field_count := ElnaTypeRecord_get_length(type_representation);
-	field_pointer := ElnaTypeRecord_get_members(type_representation);
+	field_count := type_representation^.length;
+	field_pointer := type_representation^.members;
 	field_offset := 0;
 	current_result^ := first_result;
 
@@ -3978,7 +3969,7 @@ begin
 		result := _elna_tac_type_field(name_pointer, name_length, field_pointer, field_offset);
 
 		ElnaInstructionList_set_next(current_result^, result);
-		current_result^ := ElnaInstructionList_get_next(result);
+		current_result^ := result^.next;
 
 		field_offset := field_offset + 4;
 		field_count := field_count - 1;
@@ -3989,17 +3980,15 @@ begin
 	return first_result
 end;
 
-proc _elna_tac_type_part(parser_node: Word);
+proc _elna_tac_type_part(parser_node: ^_declaration);
 var
-	name_pointer: Word;
-	name_length: Word;
 	result: Word;
 	first_result: Word;
-	symbol: Word;
-	info_type: Word;
+	symbol: ^_type_info;
+	info_type: ^ElnaType;
 	type_kind: Word;
-	current_result: Word;
-	out_result: Word;
+	current_result: ^ElnaInstructionList;
+	out_result: ^ElnaInstructionList;
 begin
 	first_result := 0;
 
@@ -4007,16 +3996,13 @@ begin
 	if parser_node = 0 then
 		goto elna_tac_type_part_end
 	end;
+	symbol := _symbol_table_lookup(@symbol_table_global, parser_node^.name, parser_node^.length);
 
-	name_pointer := _declaration_get_name(parser_node);
-	name_length := _declaration_get_length(parser_node);
-	symbol := _symbol_table_lookup(@symbol_table_global, name_pointer, name_length);
-
-	info_type := _type_info_get__type(symbol);
-	type_kind := ElnaType_get_kind(info_type);
+	info_type := symbol^._type;
+	type_kind := info_type^.kind;
 
 	if type_kind = ElnaTypeKind._record then
-		result := _elna_tac_type_record(name_pointer, name_length, info_type, @out_result)
+		result := _elna_tac_type_record(parser_node^.name, parser_node^.length, info_type, @out_result)
 	else
 		result := 0;
 		out_result := 0
@@ -4025,10 +4011,10 @@ begin
 		first_result := result;
 		current_result := out_result
 	elsif result <> 0 then
-		ElnaInstructionList_set_next(current_result, result);
+		current_result^.next := result;
 		current_result := out_result
 	end;
-	parser_node := _declaration_get_next(parser_node);
+	parser_node := parser_node^.next;
 	goto elna_tac_type_part_loop;
 
 	.elna_tac_type_part_end;
@@ -4075,10 +4061,10 @@ begin
 	return result
 end;
 
-proc _elna_tac_var_part(parser_node: Word);
+proc _elna_tac_var_part(parser_node: ^_declaration);
 var
 	node: Word;
-	current_variable: Word;
+	current_variable: ^ElnaInstructionList;
 	first_variable: Word;
 begin
 	first_variable := 0;
@@ -4091,11 +4077,11 @@ begin
 	if first_variable = 0 then
 		first_variable := node
 	else
-		ElnaInstructionList_set_next(current_variable, node)
+		current_variable^.next := node
 	end;
 	current_variable := node;
 
-	parser_node := _declaration_get_next(parser_node);
+	parser_node := parser_node^.next;
 	if parser_node <> 0 then
 		goto elna_tac_var_part_loop
 	end;
@@ -4136,33 +4122,28 @@ end;
 (**
  * Process the source code and print the generated code.
  *)
-proc _elna_tac_module_declaration(parser_node: Word);
+proc _elna_tac_module_declaration(parser_node: ^_module_declaration);
 var
 	data_part: Word;
 	code_part: Word;
 	type_part: Word;
-	current_declaration: Word;
+	current_declaration: ^ElnaInstructionList;
 	next_declaration: Word;
 begin
-	type_part := _module_declaration_get_types(parser_node);
-	type_part := _elna_tac_type_part(type_part);
-
-	data_part := _module_declaration_get_globals(parser_node);
-	data_part := _elna_tac_var_part(data_part);
-
-	code_part := _module_declaration_get_procedures(parser_node);
-	code_part := _elna_tac_procedures(code_part);
+	type_part := _elna_tac_type_part(parser_node^.types);
+	data_part := _elna_tac_var_part(parser_node^.globals);
+	code_part := _elna_tac_procedures(parser_node^.procedures);
 
 	current_declaration := code_part;
 
 	.elna_tac_module_declaration_types;
-	next_declaration := ElnaInstructionList_get_next(current_declaration);
-	if next_declaration <> 0 then
+	next_declaration := current_declaration^.next;
+	if next_declaration <> nil then
 		current_declaration := next_declaration;
 
 		goto elna_tac_module_declaration_types
 	end;
-	ElnaInstructionList_set_next(current_declaration, type_part);
+	current_declaration^.next := type_part;
 
 	return elna_instruction_module_create(data_part, code_part)
 end;
@@ -4411,7 +4392,7 @@ begin
 
 	if expression_kind = ElnaTreeKind.dereference_expression then
 		designator_base := ElnaTreeDereferenceExpression_get_pointer(parser_node);
-		elna_type_simple_expression(designator_base, symbol_table);
+		elna_type_designator(designator_base, symbol_table);
 
 		base_type := ElnaTreeExpression_get_type_decoration(designator_base);
 		type_kind := ElnaType_get_kind(base_type);
@@ -4442,7 +4423,7 @@ begin
 		end;
 		(* If the base_type is still nil this is record field access. *)
 		if base_type = nil then
-			elna_type_simple_expression(designator_base, symbol_table);
+			elna_type_designator(designator_base, symbol_table);
 			aggregate_type := ElnaTreeExpression_get_type_decoration(designator_base);
 			name_pointer := ElnaTreeFieldAccessExpression_get_field(parser_node);
 			name_length := ElnaTreeFieldAccessExpression_get_length(parser_node);
@@ -4455,12 +4436,12 @@ begin
 			field_name_pointer := ElnaTypeField_get_name(current_field);
 			field_name_length := ElnaTypeField_get_length(current_field);
 
-			if string_compare(name_pointer, name_length, field_name_pointer, field_name_length) then
+			if string_compare(name_pointer, name_length, field_name_pointer, field_name_length) = 0 then
 				(* Debug. Error stream output.
-				_syscall(2, name_pointer, name_length, 0, 0, 0, 64); *)
+				_syscall(2, name_pointer, name_length, 0, 0, 0, 64);
 				printf("# if %.*s\n\0", name_length, name_pointer);
-				fflush(0)
-			else
+				fflush(0) *)
+
 				field_count := field_count - 1;
 				current_field := current_field + ElnaTypeField_size();
 				goto elna_type_designator_field
@@ -5558,5 +5539,5 @@ proc f(x: ElnaTreeExpression);
 var
 	y: Word;
 begin
-	y := x.type_decoration
+	y := x.kind
 end;