Merge pull request #1182 from mgreter/bugfix/issue_1117

Remove ignored `const` qualifiers (compiler warnings)

Author: mgreter

lexer.cpp

@@ -31,52 +31,52 @@ namespace Sass {
     // this even seems to improve performance by quite a bit
     //####################################
 
-    const bool is_alpha(const char& chr)
+    bool is_alpha(const char& chr)
     {
       return unsigned(chr - 'A') <= 'Z' - 'A' ||
              unsigned(chr - 'a') <= 'z' - 'a';
     }
 
-    const bool is_space(const char& chr)
+    bool is_space(const char& chr)
     {
       // adapted the technique from is_alpha
       return chr == ' ' || unsigned(chr - '\t') <= '\r' - '\t';
     }
 
-    const bool is_digit(const char& chr)
+    bool is_digit(const char& chr)
     {
       // adapted the technique from is_alpha
       return unsigned(chr - '0') <= '9' - '0';
     }
 
-    const bool is_xdigit(const char& chr)
+    bool is_xdigit(const char& chr)
     {
       // adapted the technique from is_alpha
       return unsigned(chr - '0') <= '9' - '0' ||
              unsigned(chr - 'a') <= 'f' - 'a' ||
              unsigned(chr - 'A') <= 'F' - 'A';
     }
 
-    const bool is_punct(const char& chr)
+    bool is_punct(const char& chr)
     {
       // locale independent
       return chr == '.';
     }
 
-    const bool is_alnum(const char& chr)
+    bool is_alnum(const char& chr)
     {
       return is_alpha(chr) || is_digit(chr);
     }
 
     // check if char is outside ascii range
-    const bool is_unicode(const char& chr)
+    bool is_unicode(const char& chr)
     {
       // check for unicode range
       return unsigned(chr) > 127;
     }
 
     // Match word character (look ahead)
-    const bool is_character(const char& chr)
+    bool is_character(const char& chr)
     {
       // valid alpha, numeric or unicode char (plus hyphen)
       return is_alnum(chr) || is_unicode(chr) || chr == '-';

lexer.hpp

@@ -25,14 +25,14 @@ namespace Sass {
     //####################################
 
     // These are locale independant
-    const bool is_space(const char& src);
-    const bool is_alpha(const char& src);
-    const bool is_punct(const char& src);
-    const bool is_digit(const char& src);
-    const bool is_alnum(const char& src);
-    const bool is_xdigit(const char& src);
-    const bool is_unicode(const char& src);
-    const bool is_character(const char& src);
+    bool is_space(const char& src);
+    bool is_alpha(const char& src);
+    bool is_punct(const char& src);
+    bool is_digit(const char& src);
+    bool is_alnum(const char& src);
+    bool is_xdigit(const char& src);
+    bool is_unicode(const char& src);
+    bool is_character(const char& src);
 
     // Match a single ctype predicate.
     const char* space(const char* src);

sass_values.cpp

@@ -111,7 +111,7 @@ extern "C" {
   // Getters and setters for Sass_String
   const char* ADDCALL sass_string_get_value(const union Sass_Value* v) { return v->string.value; }
   void ADDCALL sass_string_set_value(union Sass_Value* v, char* value) { v->string.value = value; }
-  const bool ADDCALL sass_string_is_quoted(const union Sass_Value* v) { return v->string.quoted; }
+  bool ADDCALL sass_string_is_quoted(const union Sass_Value* v) { return v->string.quoted; }
   void ADDCALL sass_string_set_quoted(union Sass_Value* v, bool quoted) { v->string.quoted = quoted; }
 
   // Getters and setters for Sass_Boolean

sass_values.h

@@ -57,7 +57,7 @@ ADDAPI void ADDCALL sass_number_set_unit (union Sass_Value* v, char* unit);
 // Getters and setters for Sass_String
 ADDAPI const char* ADDCALL sass_string_get_value (const union Sass_Value* v);
 ADDAPI void ADDCALL sass_string_set_value (union Sass_Value* v, char* value);
-ADDAPI const bool ADDCALL sass_string_is_quoted(const union Sass_Value* v);
+ADDAPI bool ADDCALL sass_string_is_quoted(const union Sass_Value* v);
 ADDAPI void ADDCALL sass_string_set_quoted(union Sass_Value* v, bool quoted);
 
 // Getters and setters for Sass_Boolean