Implement ObjectMirror.[]

sdk/lib/mirrors/mirrors.dart

Index: sdk/lib/mirrors/mirrors.dart
diff --git a/sdk/lib/mirrors/mirrors.dart b/sdk/lib/mirrors/mirrors.dart
index 0b9ebe52901ad6e493209ce56976a73721e9e9c7..7070fd480ebf57c75fe7a0a91f205493f2087ab0 100644
--- a/sdk/lib/mirrors/mirrors.dart
+++ b/sdk/lib/mirrors/mirrors.dart
@@ -547,6 +547,29 @@ abstract class InstanceMirror implements ObjectMirror {
    *             invocation.namedArguments);
    */
   delegate(Invocation invocation);
+
+  /**
+   * Returns a closure for invoking the regular method named [name].
+   *
+   * If [:type.instanceLookup(name):] returns a regular method, the result of
+   * this method is a closure equivalent to:
+   *
+   *     (r1, .., rn, {p1: d1, ..., pk: dk}) {
+   *       return this.invoke(name, [r1, .., rn], {#p1: p1,  .., #pk: pk});
+   *     }
+   *
+   * if m has required parameters r1, ..., rn, and named parameters p1, ..., pk
+   * with defaults d1, ..., dk.
+   *
+   *     (r1, .., rn, [p1 = d1, …, pk = dk]) {
+   *       return this.invoke(name, [r1, .., rn, p1, .., pk]);
+   *     }
+   *
+   * if m has required parameters r1, ..., rn, and optional positional
+   * parameters p1, ..., pk with defaults d1, ..., dk.
+   */

[gbracha, 2013/10/03 00:58:54]

See proposed modification to wording below.  Applies to all 3 versions.

[rmacnak, 2013/10/03 16:58:07]

Done.

+  Function operator [](Symbol name);
+
 }
 
 /**
@@ -692,6 +715,26 @@ abstract class LibraryMirror implements DeclarationMirror, ObjectMirror {
    * the same library in the same isolate.
    */
    bool operator == (other);
+
+  /**
+   * If [:declarations[name]:] is a regular method, the result of this method
+   * is a closure equivalent to:
+   *
+   *     (r1, .., rn, {p1: d1, ..., pk: dk}) {
+   *       return this.invoke(name, [r1, .., rn], {#p1: p1,  .., #pk: pk});
+   *     }
+   *
+   * if m has required parameters r1, ..., rn, and named parameters p1, ..., pk
+   * with defaults d1, ..., dk.
+   *
+   *     (r1, .., rn, [p1 = d1, …, pk = dk]) {
+   *       return this.invoke(name, [r1, .., rn, p1, .., pk]);
+   *     }
+   *
+   * if m has required parameters r1, ..., rn, and optional positional
+   * parameters p1, ..., pk with defaults d1, ..., dk.
+   */
+  Function operator [](Symbol name);
 }
 
 /**
@@ -905,6 +948,26 @@ abstract class ClassMirror implements TypeMirror, ObjectMirror {
    * and [other] have equal type arguments.
    */
    bool operator == (other);
+
+  /**
+   * If [:declarations[name]:] is a regular method, the result of this method
+   * is a closure equivalent to:
+   *
+   *     (r1, .., rn, {p1: d1, ..., pk: dk}) {
+   *       return this.invoke(name, [r1, .., rn], {#p1: p1,  .., #pk: pk});
+   *     }
+   *
+   * if m has required parameters r1, ..., rn, and named parameters p1, ..., pk
+   * with defaults d1, ..., dk.

[gbracha, 2013/10/03 00:58:54]

Otherwise, the result of this method is a closure equivalent to:

+   *
+   *     (r1, .., rn, [p1 = d1, …, pk = dk]) {
+   *       return this.invoke(name, [r1, .., rn, p1, .., pk]);
+   *     }
+   *
+   * if m has required parameters r1, ..., rn, and optional positional
+   * parameters p1, ..., pk with defaults d1, ..., dk.
+   */
+  Function operator [](Symbol name);
 }
 
 /**