compile checks (WIP)

src/data.zig

@@ -1,6 +1,15 @@
-const Type = enum { ailment, recipe, ingredient };
+const std = @import("std");
 
-const NodeID = enum(u16) { sellery_juice };
+const Type = enum {
+    ailment,
+    recipe,
+    ingredient,
+};
+
+const NodeID = enum {
+    sellery_juice,
+    salt_craving,
+};
 
 const Node = struct {
     name: []const u8,
@@ -14,5 +23,37 @@ const Edge = struct {
     dest: NodeID,
 };
 
-var nodes: []const Node = &.{};
+fn validated(arr: std.EnumArray(NodeID, Node)) std.EnumArray(NodeID, Node) {
+    for (std.enums.values(NodeID)) |id| {
+        const desc = arr.get(id).description;
+        var i: usize = 0;
+        while (i + 1 < desc.len) : (i += 1) {
+            if (desc[i] == '[' and desc[i + 1] == '[') {
+                const start = i + 2;
+                var j = start;
+                while (j + 1 < desc.len and !(desc[j] == ']' and desc[j + 1] == ']')) : (j += 1) {}
+                const ref = desc[start..j];
+                if (std.meta.stringToEnum(NodeID, ref) == null) {
+                    @compileLog("Unknown node reference: ", ref);
+                    @compileError("Invalid wiki link in node description (see log above)");
+                }
+                i = j + 1;
+            }
+        }
+    }
+    return arr;
+}
+
+pub const nodes = validated(std.EnumArray(NodeID, Node).init(.{
+    .sellery_juice = .{
+        .name = "Sellery Juice",
+        .description = "A healing drink made from celery.",
+        .type = .recipe,
+    },
+    .salt_craving = .{
+        .name = "Salt craving",
+        .description = "Can be caused by sodium deficincy. Can be fixed with [[sellery_juice]].",
+        .type = .recipe,
+    },
+}));
 var edges: []const Edge = &.{};

src/main.zig

@@ -2,6 +2,10 @@ const std = @import("std");
 const rl = @import("raylib");
 const builtin = @import("builtin");
 const math = std.math;
+const data = @import("data.zig");
+comptime {
+    _ = data.nodes;
+}
 
 const NODE_R: f32 = 42.0;