Meta: Add to-dos

src/ast.cpp

@@ -79,6 +79,7 @@ Function::Function(Lambda lambda)
 
 void Formatter<blaze::ASTNode*>::format(Builder& builder, blaze::ASTNode* value) const
 {
+	// TODO: Call into Printer::dumpImp(), instead of doing it manually
 	if (is<blaze::String>(value)) {
 		return Formatter<std::string>::format(builder, static_cast<blaze::String*>(value)->data());
 	}

src/environment.h

@@ -42,6 +42,8 @@ class GlobalEnvironment final : public Environment {
 public:
 	GlobalEnvironment()
 	{
+		// TODO: Add more native functions
+		// TODO: Move the functions to their own file
 		auto add = [](std::span<ASTNode*> nodes) -> ASTNode* {
 			int64_t result = 0;
 

src/eval.cpp

@@ -42,7 +42,7 @@ ASTNode* Eval::evalAst(ASTNode* ast, Environment* env)
 	if (is<Symbol>(ast)) {
 		auto result = env->lookup(static_cast<Symbol*>(ast)->symbol());
 		if (!result) {
-			Error::the().addError(format("'{}' not found", ast));
+			Error::the().addError(format("symbol’s function definition is void: {}", ast));
 		}
 		return result;
 	}
@@ -79,6 +79,7 @@ ASTNode* Eval::apply(List* evaluated_list)
 	auto nodes = evaluated_list->nodes();
 
 	if (!is<Function>(nodes[0])) {
+		Error::the().addError(format("invalid function: {}", nodes[0]));
 		return nullptr;
 	}
 

src/printer.cpp

@@ -4,10 +4,12 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include "lexer.h"
+#include <iterator> // std::next
+
 #include "ruc/format/print.h"
 
 #include "error.h"
+#include "lexer.h"
 #include "printer.h"
 #include "types.h"
 
@@ -53,9 +55,9 @@ void Printer::dumpImpl(ASTNode* node)
 		print("(");
 		m_firstNode = false;
 		m_previousNodeIsList = true;
-		List* list = static_cast<List*>(node);
+		auto nodes = static_cast<List*>(node)->nodes();
-		for (size_t i = 0; i < list->nodes().size(); ++i) {
+		for (size_t i = 0; i < nodes.size(); ++i) {
-			dumpImpl(list->nodes()[i]);
+			dumpImpl(nodes[i]);
 			m_previousNodeIsList = false;
 		}
 		print(")");
@@ -65,9 +67,9 @@ void Printer::dumpImpl(ASTNode* node)
 		print("[");
 		m_firstNode = false;
 		m_previousNodeIsList = true;
-		Vector* vector = static_cast<Vector*>(node);
+		auto nodes = static_cast<Vector*>(node)->nodes();
-		for (size_t i = 0; i < vector->nodes().size(); ++i) {
+		for (size_t i = 0; i < nodes.size(); ++i) {
-			dumpImpl(vector->nodes()[i]);
+			dumpImpl(nodes[i]);
 			m_previousNodeIsList = false;
 		}
 		print("]");
@@ -77,15 +79,20 @@ void Printer::dumpImpl(ASTNode* node)
 		print("{{");
 		m_firstNode = false;
 		m_previousNodeIsList = true;
-		HashMap* hash_map = static_cast<HashMap*>(node);
+		auto elements = static_cast<HashMap*>(node)->elements();
-		for (auto element : hash_map->elements()) {
+		for (auto it = elements.begin(); it != elements.end(); ++it) {
-			print("{} ", element.first.front() == 0x7f ? ":" + element.first.substr(1) : element.first); // 127
+			print("{} ", it->first.front() == 0x7f ? ":" + it->first.substr(1) : it->first); // 127
-			dumpImpl(element.second);
+			dumpImpl(it->second);
-			m_previousNodeIsList = false;
+
+			if (it != elements.end() && std::next(it) != elements.end()) {
+				print(" ");
+			}
 		}
+		m_previousNodeIsList = false;
 		print("}}");
 	}
 	else if (is<String>(node)) {
+		// TODO: Implement string readably printing
 		printSpacing();
 		print("{}", static_cast<String*>(node)->data());
 	}

src/reader.cpp

@@ -38,6 +38,7 @@ void Reader::read()
 
 	m_node = readImpl();
 
+	// TODO: Move these to the appropriate functions
 	// Error checking
 
 	if (m_invalid_syntax) {