From c09e48810925f464b9673b119d47f0bc87a729f3 Mon Sep 17 00:00:00 2001
From: Alexandros Naskos <alex_naskos@hotmail.com>
Date: Fri, 24 Jul 2020 13:20:13 +0300
Subject: [PATCH] Added addressof, fixed slice and array completions

---
 src/analysis.zig | 20 +++++++++++++++++++-
 src/main.zig     | 34 +++++++++++++++++++++++++++++++++-
 2 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/src/analysis.zig b/src/analysis.zig
index 926b767..bd0b4fe 100644
--- a/src/analysis.zig
+++ b/src/analysis.zig
@@ -405,7 +405,7 @@ fn resolveUnwrapErrorType(
             .type = .{ .data = .{ .other = n }, .is_type_val = rhs.type.is_type_val },
             .handle = rhs.handle,
         },
-        .primitive, .slice => return null,
+        .primitive, .slice, .pointer => return null,
     };
 
     if (rhs_node.cast(ast.Node.SimpleInfixOp)) |infix_op| {
@@ -740,6 +740,23 @@ pub fn resolveTypeOfNodeInternal(
             }, bound_type_params)) orelse return null;
             return try resolveUnwrapErrorType(store, arena, rhs_type, bound_type_params);
         },
+        .AddressOf => {
+            const prefix_op = node.cast(ast.Node.SimplePrefixOp).?;
+            const rhs_type = (try resolveTypeOfNodeInternal(store, arena, .{
+                .node = prefix_op.rhs,
+                .handle = handle,
+            }, bound_type_params)) orelse return null;
+
+            const rhs_node = switch (rhs_type.type.data) {
+                .other => |n| n,
+                else => return null,
+            };
+
+            return TypeWithHandle{
+                .type = .{ .data = .{ .pointer = rhs_node }, .is_type_val = false },
+                .handle = rhs_type.handle,
+            };
+        },
         .BuiltinCall => {
             const builtin_call = node.castTag(.BuiltinCall).?;
             const call_name = handle.tree.tokenSlice(builtin_call.builtin_token);
@@ -825,6 +842,7 @@ pub fn resolveTypeOfNodeInternal(
 // TODO Make this better, nested levels of type vals
 pub const Type = struct {
     data: union(enum) {
+        pointer: *ast.Node,
         slice: *ast.Node,
         error_union: *ast.Node,
         other: *ast.Node,
diff --git a/src/main.zig b/src/main.zig
index a7bde5e..5dea5ef 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -281,6 +281,23 @@ fn typeToCompletion(
             }
         },
         .error_union => {},
+        .pointer => |n| {
+            if (config.operator_completions) {
+                try list.append(.{
+                    .label = "*",
+                    .kind = .Operator,
+                });
+            }
+            try nodeToCompletion(
+                arena,
+                list,
+                .{ .node = n, .handle = type_handle.handle },
+                null,
+                orig_handle,
+                type_handle.type.is_type_val,
+                config,
+            );
+        },
         .other => |n| try nodeToCompletion(
             arena,
             list,
@@ -416,7 +433,22 @@ fn nodeToCompletion(
                 .detail = analysis.getContainerFieldSignature(handle.tree, field),
             });
         },
-        .ArrayType, .SliceType => {},
+        .SliceType => {
+            try list.append(.{
+                .label = "len",
+                .kind = .Field,
+            });
+            try list.append(.{
+                .label = "ptr",
+                .kind = .Field,
+            });
+        },
+        .ArrayType => {
+            try list.append(.{
+                .label = "len",
+                .kind = .Field,
+            });
+        },
         .PtrType => {
             if (config.operator_completions) {
                 try list.append(.{