shape_jit/ffi/call_method/
result.rs

1// Heap allocation audit (PR-9 V8 Gap Closure):
2//   Category A (NaN-boxed returns): 0 sites
3//   Category B (intermediate/consumed): 0 sites
4//   Category C (heap islands): 0 sites
5//!
6//! Result type method implementations for JIT
7
8use crate::nan_boxing::*;
9
10/// Call a method on a Result type (Ok/Err)
11#[inline(always)]
12pub fn call_result_method(receiver_bits: u64, method_name: &str, args: &[u64]) -> u64 {
13    match method_name {
14        "is_ok" => {
15            if is_ok_tag(receiver_bits) {
16                TAG_BOOL_TRUE
17            } else {
18                TAG_BOOL_FALSE
19            }
20        }
21        "is_err" => {
22            if is_err_tag(receiver_bits) {
23                TAG_BOOL_TRUE
24            } else {
25                TAG_BOOL_FALSE
26            }
27        }
28        "unwrap" => {
29            if is_ok_tag(receiver_bits) {
30                unsafe { unbox_result_inner(receiver_bits) }
31            } else {
32                // Calling unwrap on Err should probably panic in a real implementation
33                // For now, return NULL
34                TAG_NULL
35            }
36        }
37        "unwrap_err" => {
38            if is_err_tag(receiver_bits) {
39                unsafe { unbox_result_inner(receiver_bits) }
40            } else {
41                TAG_NULL
42            }
43        }
44        "unwrap_or" => {
45            if is_ok_tag(receiver_bits) {
46                unsafe { unbox_result_inner(receiver_bits) }
47            } else if !args.is_empty() {
48                args[0] // Return the default value
49            } else {
50                TAG_NULL
51            }
52        }
53        "unwrap_or_else" => {
54            // For now, same as unwrap_or - closure support would need more work
55            if is_ok_tag(receiver_bits) {
56                unsafe { unbox_result_inner(receiver_bits) }
57            } else if !args.is_empty() {
58                args[0]
59            } else {
60                TAG_NULL
61            }
62        }
63        "ok" => {
64            // Convert Result to Option - returns Some(value) if Ok, None if Err
65            // For now, just return the inner value or NULL
66            if is_ok_tag(receiver_bits) {
67                unsafe { unbox_result_inner(receiver_bits) }
68            } else {
69                TAG_NULL
70            }
71        }
72        "err" => {
73            // Convert Result to Option - returns Some(err) if Err, None if Ok
74            if is_err_tag(receiver_bits) {
75                unsafe { unbox_result_inner(receiver_bits) }
76            } else {
77                TAG_NULL
78            }
79        }
80        _ => TAG_NULL,
81    }
82}
shape_jit/ffi/call_method/result.rs

shape_jit/ffi/call_method/
result.rs
