Merge pull request #1644 from wing328/objc_special_word

[ObjC] escape objc special words with "var"

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/ObjcClientCodegen.java

@@ -34,6 +34,7 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
     protected String authorEmail = "apiteam@swagger.io";
     protected String license = "MIT";
     protected String gitRepoURL = "https://github.com/swagger-api/swagger-codegen";
+    protected String[] specialWords = {"new", "copy"};
 
     public ObjcClientCodegen() {
         super();
@@ -86,6 +87,7 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
         typeMapping.put("object", "NSObject");
         typeMapping.put("file", "NSURL");
 
+
         // ref: http://www.tutorialspoint.com/objective_c/objective_c_basic_syntax.htm
         reservedWords = new HashSet<String>(
                 Arrays.asList(
@@ -375,6 +377,12 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
             return name;
         }
 
+        // if name starting with special word, escape with '_'
+        for(int i =0; i < specialWords.length; i++) {
+            if (name.matches("(?i:^" + specialWords[i] + ".*)"))
+                name = escapeSpecialWord(name);
+        }
+
         // camelize (lower first character) the variable name
         // e.g. `pet_id` to `petId`
         name = camelize(name, true);
@@ -384,6 +392,7 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
             name = escapeReservedWord(name);
         }
 
+
         return name;
     }
 
@@ -397,6 +406,10 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
         return "_" + name;
     }
 
+    public String escapeSpecialWord(String name) {
+        return "var_" + name;
+    }
+
     @Override
     public String toOperationId(String operationId) {
         // throw exception if method name is empty