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ktkk 2026-06-24 14:32:27 +00:00
parent c61d74c22c
commit eacf0381c9
13 changed files with 1492 additions and 1399 deletions
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41
src/Class/ConstantPoolInfo/MethodHandle.zig Normal file
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const Class = @import("../../Class.zig");
const ConstantPoolInfo = Class.ConstantPoolInfo;
const ResolveError = Class.ResolveError;
reference_kind: Kind,
reference_index: u16,
const Self = @This();
pub const Kind = enum(u8) {
get_field = 1,
get_static = 2,
put_field = 3,
put_static = 4,
invoke_virtual = 5,
invoke_static = 6,
invoke_special = 7,
new_invoke_special = 8,
invoke_interface = 9,
};
pub fn reference(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
const reference_index = self.reference_index - 1;
if (reference_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
const cp_info = constant_pool[reference_index];
return switch (self.reference_kind) {
.get_field, .get_static, .put_field, .put_static => blk: {
if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .field_ref) break :blk ResolveError.InvalidConstantType;
break :blk cp_info.?;
},
.invoke_virtual, .invoke_static, .invoke_special, .new_invoke_special => blk: {
if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .method_ref) break :blk ResolveError.InvalidConstantType;
break :blk cp_info.?;
},
.invoke_interface => blk: {
if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .interface_method_ref) break :blk ResolveError.InvalidConstantType;
break :blk cp_info.?;
},
};
}