summaryrefslogtreecommitdiff
path: root/ext/ffi/repr.rs
diff options
context:
space:
mode:
Diffstat (limited to 'ext/ffi/repr.rs')
-rw-r--r--ext/ffi/repr.rs127
1 files changed, 80 insertions, 47 deletions
diff --git a/ext/ffi/repr.rs b/ext/ffi/repr.rs
index 315e6d53b..fd8a2c8e7 100644
--- a/ext/ffi/repr.rs
+++ b/ext/ffi/repr.rs
@@ -1,9 +1,6 @@
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use crate::FfiPermissions;
-use deno_core::error::range_error;
-use deno_core::error::type_error;
-use deno_core::error::AnyError;
use deno_core::op2;
use deno_core::v8;
use deno_core::OpState;
@@ -12,11 +9,51 @@ use std::ffi::c_void;
use std::ffi::CStr;
use std::ptr;
+#[derive(Debug, thiserror::Error)]
+pub enum ReprError {
+ #[error("Invalid pointer to offset, pointer is null")]
+ InvalidOffset,
+ #[error("Invalid ArrayBuffer pointer, pointer is null")]
+ InvalidArrayBuffer,
+ #[error("Destination length is smaller than source length")]
+ DestinationLengthTooShort,
+ #[error("Invalid CString pointer, pointer is null")]
+ InvalidCString,
+ #[error("Invalid CString pointer, string exceeds max length")]
+ CStringTooLong,
+ #[error("Invalid bool pointer, pointer is null")]
+ InvalidBool,
+ #[error("Invalid u8 pointer, pointer is null")]
+ InvalidU8,
+ #[error("Invalid i8 pointer, pointer is null")]
+ InvalidI8,
+ #[error("Invalid u16 pointer, pointer is null")]
+ InvalidU16,
+ #[error("Invalid i16 pointer, pointer is null")]
+ InvalidI16,
+ #[error("Invalid u32 pointer, pointer is null")]
+ InvalidU32,
+ #[error("Invalid i32 pointer, pointer is null")]
+ InvalidI32,
+ #[error("Invalid u64 pointer, pointer is null")]
+ InvalidU64,
+ #[error("Invalid i64 pointer, pointer is null")]
+ InvalidI64,
+ #[error("Invalid f32 pointer, pointer is null")]
+ InvalidF32,
+ #[error("Invalid f64 pointer, pointer is null")]
+ InvalidF64,
+ #[error("Invalid pointer pointer, pointer is null")]
+ InvalidPointer,
+ #[error(transparent)]
+ Permission(#[from] deno_permissions::PermissionCheckError),
+}
+
#[op2(fast)]
pub fn op_ffi_ptr_create<FP>(
state: &mut OpState,
#[bigint] ptr_number: usize,
-) -> Result<*mut c_void, AnyError>
+) -> Result<*mut c_void, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -31,7 +68,7 @@ pub fn op_ffi_ptr_equals<FP>(
state: &mut OpState,
a: *const c_void,
b: *const c_void,
-) -> Result<bool, AnyError>
+) -> Result<bool, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -45,7 +82,7 @@ where
pub fn op_ffi_ptr_of<FP>(
state: &mut OpState,
#[anybuffer] buf: *const u8,
-) -> Result<*mut c_void, AnyError>
+) -> Result<*mut c_void, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -59,7 +96,7 @@ where
pub fn op_ffi_ptr_of_exact<FP>(
state: &mut OpState,
buf: v8::Local<v8::ArrayBufferView>,
-) -> Result<*mut c_void, AnyError>
+) -> Result<*mut c_void, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -80,7 +117,7 @@ pub fn op_ffi_ptr_offset<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<*mut c_void, AnyError>
+) -> Result<*mut c_void, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -88,7 +125,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid pointer to offset, pointer is null"));
+ return Err(ReprError::InvalidOffset);
}
// TODO(mmastrac): Create a RawPointer that can safely do pointer math.
@@ -110,7 +147,7 @@ unsafe extern "C" fn noop_deleter_callback(
pub fn op_ffi_ptr_value<FP>(
state: &mut OpState,
ptr: *mut c_void,
-) -> Result<usize, AnyError>
+) -> Result<usize, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -127,7 +164,7 @@ pub fn op_ffi_get_buf<FP, 'scope>(
ptr: *mut c_void,
#[number] offset: isize,
#[number] len: usize,
-) -> Result<v8::Local<'scope, v8::ArrayBuffer>, AnyError>
+) -> Result<v8::Local<'scope, v8::ArrayBuffer>, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -135,7 +172,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid ArrayBuffer pointer, pointer is null"));
+ return Err(ReprError::InvalidArrayBuffer);
}
// SAFETY: Trust the user to have provided a real pointer, offset, and a valid matching size to it. Since this is a foreign pointer, we should not do any deletion.
@@ -144,7 +181,7 @@ where
ptr.offset(offset),
len,
noop_deleter_callback,
- std::ptr::null_mut(),
+ ptr::null_mut(),
)
}
.make_shared();
@@ -159,7 +196,7 @@ pub fn op_ffi_buf_copy_into<FP>(
#[number] offset: isize,
#[anybuffer] dst: &mut [u8],
#[number] len: usize,
-) -> Result<(), AnyError>
+) -> Result<(), ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -167,11 +204,9 @@ where
permissions.check_partial_no_path()?;
if src.is_null() {
- Err(type_error("Invalid ArrayBuffer pointer, pointer is null"))
+ Err(ReprError::InvalidArrayBuffer)
} else if dst.len() < len {
- Err(range_error(
- "Destination length is smaller than source length",
- ))
+ Err(ReprError::DestinationLengthTooShort)
} else {
let src = src as *const c_void;
@@ -190,7 +225,7 @@ pub fn op_ffi_cstr_read<FP, 'scope>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<v8::Local<'scope, v8::String>, AnyError>
+) -> Result<v8::Local<'scope, v8::String>, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -198,16 +233,14 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid CString pointer, pointer is null"));
+ return Err(ReprError::InvalidCString);
}
let cstr =
// SAFETY: Pointer and offset are user provided.
unsafe { CStr::from_ptr(ptr.offset(offset) as *const c_char) }.to_bytes();
let value = v8::String::new_from_utf8(scope, cstr, v8::NewStringType::Normal)
- .ok_or_else(|| {
- type_error("Invalid CString pointer, string exceeds max length")
- })?;
+ .ok_or_else(|| ReprError::CStringTooLong)?;
Ok(value)
}
@@ -216,7 +249,7 @@ pub fn op_ffi_read_bool<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<bool, AnyError>
+) -> Result<bool, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -224,7 +257,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid bool pointer, pointer is null"));
+ return Err(ReprError::InvalidBool);
}
// SAFETY: ptr and offset are user provided.
@@ -236,7 +269,7 @@ pub fn op_ffi_read_u8<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<u32, AnyError>
+) -> Result<u32, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -244,7 +277,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid u8 pointer, pointer is null"));
+ return Err(ReprError::InvalidU8);
}
// SAFETY: ptr and offset are user provided.
@@ -258,7 +291,7 @@ pub fn op_ffi_read_i8<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<i32, AnyError>
+) -> Result<i32, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -266,7 +299,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid i8 pointer, pointer is null"));
+ return Err(ReprError::InvalidI8);
}
// SAFETY: ptr and offset are user provided.
@@ -280,7 +313,7 @@ pub fn op_ffi_read_u16<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<u32, AnyError>
+) -> Result<u32, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -288,7 +321,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid u16 pointer, pointer is null"));
+ return Err(ReprError::InvalidU16);
}
// SAFETY: ptr and offset are user provided.
@@ -302,7 +335,7 @@ pub fn op_ffi_read_i16<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<i32, AnyError>
+) -> Result<i32, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -310,7 +343,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid i16 pointer, pointer is null"));
+ return Err(ReprError::InvalidI16);
}
// SAFETY: ptr and offset are user provided.
@@ -324,7 +357,7 @@ pub fn op_ffi_read_u32<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<u32, AnyError>
+) -> Result<u32, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -332,7 +365,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid u32 pointer, pointer is null"));
+ return Err(ReprError::InvalidU32);
}
// SAFETY: ptr and offset are user provided.
@@ -344,7 +377,7 @@ pub fn op_ffi_read_i32<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<i32, AnyError>
+) -> Result<i32, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -352,7 +385,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid i32 pointer, pointer is null"));
+ return Err(ReprError::InvalidI32);
}
// SAFETY: ptr and offset are user provided.
@@ -367,7 +400,7 @@ pub fn op_ffi_read_u64<FP>(
// Note: The representation of 64-bit integers is function-wide. We cannot
// choose to take this parameter as a number while returning a bigint.
#[bigint] offset: isize,
-) -> Result<u64, AnyError>
+) -> Result<u64, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -375,7 +408,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid u64 pointer, pointer is null"));
+ return Err(ReprError::InvalidU64);
}
let value =
@@ -393,7 +426,7 @@ pub fn op_ffi_read_i64<FP>(
// Note: The representation of 64-bit integers is function-wide. We cannot
// choose to take this parameter as a number while returning a bigint.
#[bigint] offset: isize,
-) -> Result<i64, AnyError>
+) -> Result<i64, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -401,7 +434,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid i64 pointer, pointer is null"));
+ return Err(ReprError::InvalidI64);
}
let value =
@@ -416,7 +449,7 @@ pub fn op_ffi_read_f32<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<f32, AnyError>
+) -> Result<f32, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -424,7 +457,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid f32 pointer, pointer is null"));
+ return Err(ReprError::InvalidF32);
}
// SAFETY: ptr and offset are user provided.
@@ -436,7 +469,7 @@ pub fn op_ffi_read_f64<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<f64, AnyError>
+) -> Result<f64, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -444,7 +477,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid f64 pointer, pointer is null"));
+ return Err(ReprError::InvalidF64);
}
// SAFETY: ptr and offset are user provided.
@@ -456,7 +489,7 @@ pub fn op_ffi_read_ptr<FP>(
state: &mut OpState,
ptr: *mut c_void,
#[number] offset: isize,
-) -> Result<*mut c_void, AnyError>
+) -> Result<*mut c_void, ReprError>
where
FP: FfiPermissions + 'static,
{
@@ -464,7 +497,7 @@ where
permissions.check_partial_no_path()?;
if ptr.is_null() {
- return Err(type_error("Invalid pointer pointer, pointer is null"));
+ return Err(ReprError::InvalidPointer);
}
// SAFETY: ptr and offset are user provided.
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-26 19:20:03 +0000