cleanup + minor fixes

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.10)
 
-SET(CMAKE_CXX_FLAGS_DEBUG "-g")
+SET(CMAKE_CXX_FLAGS_DEBUG "-g -Wall -Wextra -Wpedantic")
 
 project(pzks)
 

config.h

@@ -4,3 +4,6 @@
 #define PRINT_DISABLE_PREFIXES 1
 
 #define MAX_TOKEN_STRING_LEN 256
+
+#define LAB2_EXCLUDE_COMPTIME_OP_WRITES 1
+#define LAB2_PREVENT_NON_FOLDED_DIV_BY_ZERO 1

inc/expression.hpp

@@ -52,6 +52,7 @@ public:
 		}
 
 		explicit TokenValue(void)
+			: s(std::shared_ptr<std::string>())
 		{
 		}
 
@@ -144,6 +145,7 @@ public:
 		switch (t)
 		{
 		case VAR:
+			new(&v.s) std::shared_ptr<std::string>;
 			v.s = other.v.s;
 			break;
 		case CONST:
@@ -174,7 +176,6 @@ public:
 			return v.s;
 		case CONST:
 		{
-			char buffer[128] = {0};
 			return std::make_shared<std::string>((std::ostringstream() << v.d).str());
 		}
 		case OPERATOR:
@@ -186,8 +187,6 @@ public:
 
 	std::shared_ptr<std::string> to_math_str(void) const
 	{
-		char buffer[128] = {0};
-
 		switch (t)
 		{
 		case VAR:
@@ -277,6 +276,58 @@ public:
 			return "Invalid operator";
 		}
 	}
+
+	int negative_operator(void) const
+	{
+		if (t != OPERATOR)
+		{
+			return 0;
+		}
+
+		return (v.o == SUB || v.o == DIV);
+	}
+
+	static int is_negative(Operator o)
+	{
+		return (o == SUB || o == DIV);
+	}
+
+	int is_math_op(void) const
+	{
+		if (t != OPERATOR)
+		{
+			return 0;
+		}
+
+		switch (v.o)
+		{
+		case OPA:
+		case CPA:
+			return 0;
+		default:
+			return 1;
+		}
+	}
+
+	int is_opa(void) const
+	{
+		if (t != OPERATOR)
+		{
+			return 0;
+		}
+
+		return v.o == OPA;
+	}
+
+	int is_cpa(void) const
+	{
+		if (t != OPERATOR)
+		{
+			return 0;
+		}
+
+		return v.o == CPA;
+	}
 };
 
 struct Operation

inc/syntaxer.hpp

@@ -6,9 +6,7 @@
 namespace Syntax
 {
 
-void pre_process(std::vector<Expression::Token>& tv);
+int prepare_token_vector(std::vector<Expression::Token>& tv);
-int check_syntax(const std::vector<Expression::Token>& tv);
-void post_process(std::vector<Expression::Token>& tv);
 std::vector<Expression::Operation> build_op_vector(const std::vector<Expression::Token>& tv);
 Expression::TreeNode ov_to_tree(const std::vector<Expression::Token> tv, const std::vector<Expression::Operation>& ov);
 void print_op_tree(const std::vector<Expression::Token> tv, const std::vector<Expression::Operation>& ov);

src/main.cpp

@@ -10,15 +10,11 @@ int main(int argc, char **argv)
 
 	std::vector<Expression::Token> tv = Parser::tokenize_input(argv[1]);
 
-	Syntax::pre_process(tv);
+	if (Syntax::prepare_token_vector(tv))
-
-	if (Syntax::check_syntax(tv))
 	{
 		return 0;
 	}
 
-	Syntax::post_process(tv);
-
 	std::vector<Expression::Operation> ov = Syntax::build_op_vector(tv);
 
 	Expression::TreeNode root = Syntax::ov_to_tree(tv, ov);

src/parser.cpp

@@ -35,8 +35,6 @@ class Parser
 
 	int switch_state(enum State e)
 	{
-		pr_debug("Leaving " << state_str(s) << ", entering " << state_str(e));
-
 		int cumulative_backtrack = 0;
 
 		switch (s)
@@ -79,8 +77,6 @@ class Parser
 
 		s = e;
 
-		pr_debug("Cumulative backtrack is " << cumulative_backtrack);
-
 		return cumulative_backtrack;
 	}
 
@@ -415,7 +411,7 @@ void print_math_vector(const std::vector<Expression::Token>& tv, const std::vect
 
 	if (tv.size())
 	{
-		if (highlight_locations[highlight_locations.size()-1] == tv.size() - 1)
+		if (highlight_locations[highlight_locations.size()-1] == (long) (tv.size() - 1))
 		{
 			std::cout << "\033[31m" << *tv[tv.size() - 1].to_math_str() << "\033[0m\n";
 		}

src/test-cases.cpp

@@ -99,7 +99,10 @@ TEST(tree_proper_test_1)
 TEST(tree_proper_test_2)
 {
 	std::vector<Expression::Token> o = Parser::tokenize_input("(1**5 * (1-2-3-4-5-6-7-8))");
-	Syntax::post_process(o);
+	if (Syntax::prepare_token_vector(o))
+	{
+		return 1;
+	}
 	std::vector<Expression::Operation> ov = Syntax::build_op_vector(o);
 
 	return 0;