Remove signed/unsigned warnings

context.cpp

@@ -52,8 +52,7 @@ namespace Sass {
 
   Context::~Context()
   {
-    int i;
-    for (i = 0; i < source_refs.size(); ++i) {
+    for (size_t i = 0; i < source_refs.size(); ++i) {
       delete[] source_refs[i];
     }
     // cerr << "Deallocated " << i << " source string(s)." << endl;
@@ -117,4 +116,4 @@ namespace Sass {
     register_function(not_descriptor, not_impl);
   }
 
-}
+}

context.hpp

@@ -40,14 +40,14 @@ namespace Sass {
   };
 
   struct Context {
-    string sass_path;
-    string css_path;
-    vector<string> include_paths;
     Environment global_env;
     map<pair<string, size_t>, Function> function_env;
     vector<char*> source_refs; // all the source c-strings
     vector<vector<Node>*> registry; // all the child vectors
+    vector<string> include_paths;
     size_t ref_count;
+    string sass_path;
+    string css_path;
 
     void collect_include_paths(const char* paths_str);
     Context(const char* paths_str = 0);

eval_apply.cpp

@@ -45,7 +45,7 @@ namespace Sass {
       } break;
 
       case Node::root: {
-        for (int i = 0; i < expr.size(); ++i) {
+        for (size_t i = 0; i < expr.size(); ++i) {
           eval(expr[i], env, f_env, registry);
         }
         return expr;
@@ -54,7 +54,7 @@ namespace Sass {
       case Node::block: {
         Environment current;
         current.link(env);
-        for (int i = 0; i < expr.size(); ++i) {
+        for (size_t i = 0; i < expr.size(); ++i) {
           eval(expr[i], current, f_env, registry);
         }
         return expr;
@@ -63,7 +63,7 @@ namespace Sass {
       case Node::assignment: {
         Node val(expr[1]);
         if (val.type == Node::comma_list || val.type == Node::space_list) {
-          for (int i = 0; i < val.size(); ++i) {
+          for (size_t i = 0; i < val.size(); ++i) {
             if (val[i].eval_me) val[i] = eval(val[i], env, f_env, registry);
           }
         }
@@ -83,7 +83,7 @@ namespace Sass {
       case Node::rule: {
         Node rhs(expr[1]);
         if (rhs.type == Node::comma_list || rhs.type == Node::space_list) {
-          for (int i = 0; i < rhs.size(); ++i) {
+          for (size_t i = 0; i < rhs.size(); ++i) {
             if (rhs[i].eval_me) rhs[i] = eval(rhs[i], env, f_env, registry);
           }
         }
@@ -104,7 +104,7 @@ namespace Sass {
 
       case Node::disjunction: {
         Node result;
-        for (int i = 0; i < expr.size(); ++i) {
+        for (size_t i = 0; i < expr.size(); ++i) {
           // if (expr[i].type == Node::relation ||
           //     expr[i].type == Node::function_call && expr[0].content.token.to_string() == "not") {
           result = eval(expr[i], env, f_env, registry);
@@ -116,7 +116,7 @@ namespace Sass {
 
       case Node::conjunction: {
         Node result;
-        for (int i = 0; i < expr.size(); ++i) {
+        for (size_t i = 0; i < expr.size(); ++i) {
           result = eval(expr[i], env, f_env, registry);
           if (result.type == Node::boolean && result.content.boolean_value == false) return result;
         }
@@ -367,13 +367,13 @@ namespace Sass {
     Node body(mixin[2].clone(registry));
     Environment bindings;
     // bind arguments
-    for (int i = 0, j = 0; i < args.size(); ++i) {
+    for (size_t i = 0, j = 0; i < args.size(); ++i) {
       if (args[i].type == Node::assignment) {
         Node arg(args[i]);
         Token name(arg[0].content.token);
         // check that the keyword arg actually names a formal parameter
         bool valid_param = false;
-        for (int k = 0; k < params.size(); ++k) {
+        for (size_t k = 0; k < params.size(); ++k) {
           Node param_k = params[k];
           if (param_k.type == Node::assignment) param_k = param_k[0];
           if (arg[0] == param_k) {
@@ -421,7 +421,7 @@ namespace Sass {
   {
     map<Token, Node> bindings;
     // bind arguments
-    for (int i = 0, j = 0; i < args.size(); ++i) {
+    for (size_t i = 0, j = 0; i < args.size(); ++i) {
       if (args[i].type == Node::assignment) {
         Node arg(args[i]);
         Token name(arg[0].content.token);
@@ -436,4 +436,4 @@ namespace Sass {
     return f(bindings, registry);
   }
 
-}
+}

functions.hpp

@@ -30,7 +30,7 @@ namespace Sass {
       while (d[len+1]) ++len;
 
       parameters.reserve(len);
-      for (int i = 0; i < len; ++i) {
+      for (size_t i = 0; i < len; ++i) {
         const char* p = d[i+1];
         Token name(Token::make(p, p + std::strlen(p)));
         parameters.push_back(name);