removing spirv headers dependencies, reworking architecture

src/opcodes.zig

@@ -0,0 +1,26 @@
+const std = @import("std");
+const spv = @import("spv.zig");
+
+const Module = @import("Module.zig");
+const Runtime = @import("Runtime.zig");
+
+const SpvVoid = spv.SpvVoid;
+const SpvByte = spv.SpvByte;
+const SpvWord = spv.SpvWord;
+const SpvBool = spv.SpvBool;
+
+pub const OpCodeSetupFunc = *const fn (SpvWord, *Module) void;
+pub const OpCodeExecFunc = *const fn (SpvWord, *Runtime) void;
+
+pub const SetupDispatcher = block: {
+    @setEvalBranchQuota(65535);
+    break :block std.EnumMap(spv.SpvOp, OpCodeSetupFunc).init(.{
+        .Capability = OpCapability,
+    });
+};
+
+fn OpCapability(word_count: SpvWord, mod: *Module) void {
+    _ = word_count;
+    _ = mod;
+    std.debug.print("test\n", .{});
+}