Made parser aware of templates in parameters, return type positions for all functions; of name, receiver positions for extension functions.

compiler/frontend/src/org/jetbrains/jet/lang/parsing/JetParsing.java

@@ -965,8 +965,10 @@ public class JetParsing extends AbstractJetParsing {
         if (at(COLON)) {
             advance(); // COLON
 
+            if (!parseIdeTemplate()) {
                 parseTypeRef();
             }
+        }
 
         parseTypeConstraintsGuarded(typeParameterListOccurred);
 
@@ -992,6 +994,10 @@ public class JetParsing extends AbstractJetParsing {
                 expect(IDENTIFIER, "Expecting " + title + " name or receiver type", nameFollow);
             }
         } else {
+            if (parseIdeTemplate()) {
+                expect(DOT, "Expecting '.' after receiver template");
+            }
+            else {
                 createTruncatedBuilder(lastDot).parseTypeRef();
 
                 if (atSet(RECEIVER_TYPE_TERMINATORS)) {
@@ -1000,10 +1006,13 @@ public class JetParsing extends AbstractJetParsing {
                 else {
                     errorWithRecovery("Expecting '.' before a " + title + " name", nameFollow);
                 }
+            }
 
+            if (!parseIdeTemplate()) {
                 expect(IDENTIFIER, "Expecting " + title + " name", nameFollow);
             }
         }
+    }
 
     /*
      * functionBody
@@ -1537,6 +1546,7 @@ public class JetParsing extends AbstractJetParsing {
         myBuilder.disableNewlines();
         expect(LPAR, "Expecting '(", recoverySet);
 
+        if (!parseIdeTemplate()) {
             if (!at(RPAR) && !atSet(recoverySet)) {
                 while (true) {
                     if (at(COMMA)) {
@@ -1560,6 +1570,8 @@ public class JetParsing extends AbstractJetParsing {
                     advance(); // COMMA
                 }
             }
+        }
+        
         expect(RPAR, "Expecting ')'", recoverySet);
         myBuilder.restoreNewlinesState();