mirror of
https://github.com/denoland/deno.git
synced 2024-12-30 11:16:38 -05:00
136 lines
4.5 KiB
C
136 lines
4.5 KiB
C
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
|
|
#ifndef DENO_H_
|
|
#define DENO_H_
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "buffer.h"
|
|
|
|
// Neither Rust nor Go support calling directly into C++ functions, therefore
|
|
// the public interface to libdeno is done in C.
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef deno::PinnedBuf::Raw deno_pinned_buf;
|
|
|
|
// Data that gets transmitted.
|
|
typedef struct {
|
|
uint8_t* data_ptr;
|
|
size_t data_len;
|
|
} deno_buf;
|
|
|
|
typedef struct {
|
|
uint8_t* data_ptr;
|
|
size_t data_len;
|
|
} deno_snapshot;
|
|
|
|
typedef struct deno_s Deno;
|
|
|
|
// A callback to receive a message from a libdeno.send() javascript call.
|
|
// control_buf is valid for only for the lifetime of this callback.
|
|
// data_buf is valid until deno_respond() is called.
|
|
typedef void (*deno_recv_cb)(void* user_data, deno_buf control_buf,
|
|
deno_pinned_buf zero_copy_buf);
|
|
|
|
typedef int deno_dyn_import_id;
|
|
// Called when dynamic import is called in JS: import('foo')
|
|
// Embedder must call deno_dyn_import() with the specified id and
|
|
// the module.
|
|
typedef void (*deno_dyn_import_cb)(void* user_data, const char* specifier,
|
|
const char* referrer, deno_dyn_import_id id);
|
|
|
|
void deno_init();
|
|
const char* deno_v8_version();
|
|
void deno_set_v8_flags(int* argc, char** argv);
|
|
|
|
typedef struct {
|
|
int will_snapshot; // Default 0. If calling deno_snapshot_new 1.
|
|
deno_snapshot load_snapshot; // A startup snapshot to use.
|
|
deno_buf shared; // Shared buffer to be mapped to libdeno.shared
|
|
deno_recv_cb recv_cb; // Maps to libdeno.send() calls.
|
|
deno_dyn_import_cb dyn_import_cb;
|
|
} deno_config;
|
|
|
|
// Create a new deno isolate.
|
|
// Warning: If config.will_snapshot is set, deno_snapshot_new() must be called
|
|
// or an error will result.
|
|
Deno* deno_new(deno_config config);
|
|
void deno_delete(Deno* d);
|
|
|
|
// Generate a snapshot. The resulting buf can be used in as the load_snapshot
|
|
// member in deno_confg.
|
|
// When calling this function, the caller must have created the isolate "d" with
|
|
// "will_snapshot" set to 1.
|
|
// The caller must free the returned data with deno_snapshot_delete().
|
|
deno_snapshot deno_snapshot_new(Deno* d);
|
|
|
|
// Only for use with data returned from deno_snapshot_new.
|
|
void deno_snapshot_delete(deno_snapshot);
|
|
|
|
void deno_lock(Deno* d);
|
|
void deno_unlock(Deno* d);
|
|
|
|
// Compile and execute a traditional JavaScript script that does not use
|
|
// module import statements.
|
|
// If it succeeded deno_last_exception() will return NULL.
|
|
void deno_execute(Deno* d, void* user_data, const char* js_filename,
|
|
const char* js_source);
|
|
|
|
// deno_respond sends up to one message back for every deno_recv_cb made.
|
|
//
|
|
// If this is called during deno_recv_cb, the issuing libdeno.send() in
|
|
// javascript will synchronously return the specified buf as an ArrayBuffer (or
|
|
// null if buf is empty).
|
|
//
|
|
// If this is called after deno_recv_cb has returned, the deno_respond
|
|
// will call into the JS callback specified by libdeno.recv().
|
|
//
|
|
// (Ideally, but not currently: After calling deno_respond(), the caller no
|
|
// longer owns `buf` and must not use it; deno_respond() is responsible for
|
|
// releasing its memory.)
|
|
//
|
|
// If a JS exception was encountered, deno_last_exception() will be non-NULL.
|
|
void deno_respond(Deno* d, void* user_data, deno_buf buf);
|
|
|
|
// consumes zero_copy
|
|
void deno_pinned_buf_delete(deno_pinned_buf* buf);
|
|
|
|
void deno_check_promise_errors(Deno* d);
|
|
|
|
const char* deno_last_exception(Deno* d);
|
|
|
|
void deno_terminate_execution(Deno* d);
|
|
|
|
// Module API
|
|
|
|
typedef int deno_mod;
|
|
|
|
// Returns zero on error - check deno_last_exception().
|
|
deno_mod deno_mod_new(Deno* d, bool main, const char* name, const char* source);
|
|
|
|
size_t deno_mod_imports_len(Deno* d, deno_mod id);
|
|
|
|
// Returned pointer is valid for the lifetime of the Deno isolate "d".
|
|
const char* deno_mod_imports_get(Deno* d, deno_mod id, size_t index);
|
|
|
|
typedef deno_mod (*deno_resolve_cb)(void* user_data, const char* specifier,
|
|
deno_mod referrer);
|
|
|
|
// If it succeeded deno_last_exception() will return NULL.
|
|
void deno_mod_instantiate(Deno* d, void* user_data, deno_mod id,
|
|
deno_resolve_cb cb);
|
|
|
|
// If it succeeded deno_last_exception() will return NULL.
|
|
void deno_mod_evaluate(Deno* d, void* user_data, deno_mod id);
|
|
|
|
// Call exactly once for every deno_dyn_import_cb.
|
|
// Note this call will execute JS.
|
|
void deno_dyn_import(Deno* d, void* user_data, deno_dyn_import_id id,
|
|
deno_mod mod_id);
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
#endif // DENO_H_
|