| /* |
| * Internal API calls which have (stack and other) semantics similar |
| * to the public API. |
| */ |
| |
| #ifndef DUK_API_INTERNAL_H_INCLUDED |
| #define DUK_API_INTERNAL_H_INCLUDED |
| |
| /* duk_push_sprintf constants */ |
| #define DUK_PUSH_SPRINTF_INITIAL_SIZE 256L |
| #define DUK_PUSH_SPRINTF_SANITY_LIMIT (1L * 1024L * 1024L * 1024L) |
| |
| /* Flag ORed to err_code to indicate __FILE__ / __LINE__ is not |
| * blamed as source of error for error fileName / lineNumber. |
| */ |
| #define DUK_ERRCODE_FLAG_NOBLAME_FILELINE (1L << 24) |
| |
| /* Valstack resize flags */ |
| #define DUK_VSRESIZE_FLAG_SHRINK (1 << 0) |
| #define DUK_VSRESIZE_FLAG_COMPACT (1 << 1) |
| #define DUK_VSRESIZE_FLAG_THROW (1 << 2) |
| |
| /* Current convention is to use duk_size_t for value stack sizes and global indices, |
| * and duk_idx_t for local frame indices. |
| */ |
| DUK_INTERNAL_DECL |
| duk_bool_t duk_valstack_resize_raw(duk_context *ctx, |
| duk_size_t min_new_size, |
| duk_small_uint_t flags); |
| |
| #if defined(DUK_USE_VERBOSE_ERRORS) && defined(DUK_USE_PARANOID_ERRORS) |
| DUK_INTERNAL_DECL const char *duk_get_type_name(duk_context *ctx, duk_idx_t index); |
| #endif |
| |
| DUK_INTERNAL_DECL duk_tval *duk_get_tval(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_tval *duk_require_tval(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL void duk_push_tval(duk_context *ctx, duk_tval *tv); |
| |
| /* Push the current 'this' binding; throw TypeError if binding is not object |
| * coercible (CheckObjectCoercible). |
| */ |
| DUK_INTERNAL_DECL void duk_push_this_check_object_coercible(duk_context *ctx); |
| |
| /* duk_push_this() + CheckObjectCoercible() + duk_to_object() */ |
| DUK_INTERNAL_DECL duk_hobject *duk_push_this_coercible_to_object(duk_context *ctx); |
| |
| /* duk_push_this() + CheckObjectCoercible() + duk_to_string() */ |
| DUK_INTERNAL_DECL duk_hstring *duk_push_this_coercible_to_string(duk_context *ctx); |
| |
| /* Get a borrowed duk_tval pointer to the current 'this' binding. Caller must |
| * make sure there's an active callstack entry. Note that the returned pointer |
| * is unstable with regards to side effects. |
| */ |
| DUK_INTERNAL_DECL duk_tval *duk_get_borrowed_this_tval(duk_context *ctx); |
| |
| /* XXX: add fastint support? */ |
| #define duk_push_u64(ctx,val) \ |
| duk_push_number((ctx), (duk_double_t) (val)) |
| #define duk_push_i64(ctx,val) \ |
| duk_push_number((ctx), (duk_double_t) (val)) |
| |
| /* duk_push_(u)int() is guaranteed to support at least (un)signed 32-bit range */ |
| #define duk_push_u32(ctx,val) \ |
| duk_push_uint((ctx), (duk_uint_t) (val)) |
| #define duk_push_i32(ctx,val) \ |
| duk_push_int((ctx), (duk_int_t) (val)) |
| |
| /* sometimes stack and array indices need to go on the stack */ |
| #define duk_push_idx(ctx,val) \ |
| duk_push_int((ctx), (duk_int_t) (val)) |
| #define duk_push_uarridx(ctx,val) \ |
| duk_push_uint((ctx), (duk_uint_t) (val)) |
| #define duk_push_size_t(ctx,val) \ |
| duk_push_uint((ctx), (duk_uint_t) (val)) /* XXX: assumed to fit for now */ |
| |
| DUK_INTERNAL_DECL duk_hstring *duk_get_hstring(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hobject *duk_get_hobject(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hbuffer *duk_get_hbuffer(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hthread *duk_get_hthread(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hcompiledfunction *duk_get_hcompiledfunction(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hnativefunction *duk_get_hnativefunction(duk_context *ctx, duk_idx_t index); |
| |
| DUK_INTERNAL_DECL duk_hobject *duk_get_hobject_with_class(duk_context *ctx, duk_idx_t index, duk_small_uint_t classnum); |
| |
| #if 0 /* This would be pointless: unexpected type and lightfunc would both return NULL */ |
| DUK_INTERNAL_DECL duk_hobject *duk_get_hobject_or_lfunc(duk_context *ctx, duk_idx_t index); |
| #endif |
| DUK_INTERNAL_DECL duk_hobject *duk_get_hobject_or_lfunc_coerce(duk_context *ctx, duk_idx_t index); |
| |
| #if 0 /*unused*/ |
| DUK_INTERNAL_DECL void *duk_get_voidptr(duk_context *ctx, duk_idx_t index); |
| #endif |
| |
| DUK_INTERNAL_DECL duk_hstring *duk_to_hstring(duk_context *ctx, duk_idx_t index); |
| #if defined(DUK_USE_DEBUGGER_SUPPORT) /* only needed by debugger for now */ |
| DUK_INTERNAL_DECL duk_hstring *duk_safe_to_hstring(duk_context *ctx, duk_idx_t index); |
| #endif |
| DUK_INTERNAL_DECL void duk_to_object_class_string_top(duk_context *ctx); |
| #if !defined(DUK_USE_PARANOID_ERRORS) |
| DUK_INTERNAL_DECL void duk_push_hobject_class_string(duk_context *ctx, duk_hobject *h); |
| #endif |
| |
| DUK_INTERNAL_DECL duk_int_t duk_to_int_clamped_raw(duk_context *ctx, duk_idx_t index, duk_int_t minval, duk_int_t maxval, duk_bool_t *out_clamped); /* out_clamped=NULL, RangeError if outside range */ |
| DUK_INTERNAL_DECL duk_int_t duk_to_int_clamped(duk_context *ctx, duk_idx_t index, duk_int_t minval, duk_int_t maxval); |
| DUK_INTERNAL_DECL duk_int_t duk_to_int_check_range(duk_context *ctx, duk_idx_t index, duk_int_t minval, duk_int_t maxval); |
| #if defined(DUK_USE_BUFFEROBJECT_SUPPORT) |
| DUK_INTERNAL_DECL duk_uint8_t duk_to_uint8clamped(duk_context *ctx, duk_idx_t index); |
| #endif |
| |
| DUK_INTERNAL_DECL duk_hstring *duk_require_hstring(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hobject *duk_require_hobject(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hbuffer *duk_require_hbuffer(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hthread *duk_require_hthread(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hcompiledfunction *duk_require_hcompiledfunction(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hnativefunction *duk_require_hnativefunction(duk_context *ctx, duk_idx_t index); |
| |
| DUK_INTERNAL_DECL duk_hobject *duk_require_hobject_with_class(duk_context *ctx, duk_idx_t index, duk_small_uint_t classnum); |
| |
| DUK_INTERNAL_DECL duk_hobject *duk_require_hobject_or_lfunc(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL duk_hobject *duk_require_hobject_or_lfunc_coerce(duk_context *ctx, duk_idx_t index); |
| |
| DUK_INTERNAL_DECL void duk_push_hstring(duk_context *ctx, duk_hstring *h); |
| DUK_INTERNAL_DECL void duk_push_hstring_stridx(duk_context *ctx, duk_small_int_t stridx); |
| DUK_INTERNAL_DECL void duk_push_hobject(duk_context *ctx, duk_hobject *h); |
| DUK_INTERNAL_DECL void duk_push_hbuffer(duk_context *ctx, duk_hbuffer *h); |
| #define duk_push_hthread(ctx,h) \ |
| duk_push_hobject((ctx), (duk_hobject *) (h)) |
| #define duk_push_hcompiledfunction(ctx,h) \ |
| duk_push_hobject((ctx), (duk_hobject *) (h)) |
| #define duk_push_hnativefunction(ctx,h) \ |
| duk_push_hobject((ctx), (duk_hobject *) (h)) |
| DUK_INTERNAL_DECL void duk_push_hobject_bidx(duk_context *ctx, duk_small_int_t builtin_idx); |
| DUK_INTERNAL_DECL duk_idx_t duk_push_object_helper(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx); |
| DUK_INTERNAL_DECL duk_idx_t duk_push_object_helper_proto(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_hobject *proto); |
| DUK_INTERNAL_DECL duk_idx_t duk_push_object_internal(duk_context *ctx); |
| DUK_INTERNAL_DECL duk_idx_t duk_push_compiledfunction(duk_context *ctx); |
| DUK_INTERNAL_DECL void duk_push_c_function_noexotic(duk_context *ctx, duk_c_function func, duk_int_t nargs); |
| DUK_INTERNAL_DECL void duk_push_c_function_noconstruct_noexotic(duk_context *ctx, duk_c_function func, duk_int_t nargs); |
| |
| DUK_INTERNAL_DECL void duk_push_string_funcptr(duk_context *ctx, duk_uint8_t *ptr, duk_size_t sz); |
| DUK_INTERNAL_DECL void duk_push_lightfunc_name(duk_context *ctx, duk_tval *tv); |
| DUK_INTERNAL_DECL void duk_push_lightfunc_tostring(duk_context *ctx, duk_tval *tv); |
| DUK_INTERNAL_DECL duk_hbufferobject *duk_push_bufferobject_raw(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx); |
| |
| #if !defined(DUK_USE_PARANOID_ERRORS) |
| DUK_INTERNAL_DECL const char *duk_push_string_readable(duk_context *ctx, duk_idx_t index); |
| DUK_INTERNAL_DECL const char *duk_push_string_tval_readable(duk_context *ctx, duk_tval *tv); |
| #endif |
| |
| DUK_INTERNAL_DECL duk_bool_t duk_get_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx); /* [] -> [val] */ |
| DUK_INTERNAL_DECL duk_bool_t duk_put_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx); /* [val] -> [] */ |
| DUK_INTERNAL_DECL duk_bool_t duk_del_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx); /* [] -> [] */ |
| DUK_INTERNAL_DECL duk_bool_t duk_has_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx); /* [] -> [] */ |
| |
| DUK_INTERNAL_DECL duk_bool_t duk_get_prop_stridx_boolean(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_bool_t *out_has_prop); /* [] -> [] */ |
| |
| DUK_INTERNAL_DECL void duk_xdef_prop(duk_context *ctx, duk_idx_t obj_index, duk_small_uint_t desc_flags); /* [key val] -> [] */ |
| DUK_INTERNAL_DECL void duk_xdef_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index, duk_small_uint_t desc_flags); /* [val] -> [] */ |
| DUK_INTERNAL_DECL void duk_xdef_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_small_uint_t desc_flags); /* [val] -> [] */ |
| DUK_INTERNAL_DECL void duk_xdef_prop_stridx_builtin(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_small_int_t builtin_idx, duk_small_uint_t desc_flags); /* [] -> [] */ |
| DUK_INTERNAL_DECL void duk_xdef_prop_stridx_thrower(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_small_uint_t desc_flags); /* [] -> [] */ |
| |
| /* These are macros for now, but could be separate functions to reduce code |
| * footprint (check call site count before refactoring). |
| */ |
| #define duk_xdef_prop_wec(ctx,obj_index) \ |
| duk_xdef_prop((ctx), (obj_index), DUK_PROPDESC_FLAGS_WEC) |
| #define duk_xdef_prop_index_wec(ctx,obj_index,arr_index) \ |
| duk_xdef_prop_index((ctx), (obj_index), (arr_index), DUK_PROPDESC_FLAGS_WEC) |
| #define duk_xdef_prop_stridx_wec(ctx,obj_index,stridx) \ |
| duk_xdef_prop_stridx((ctx), (obj_index), (stridx), DUK_PROPDESC_FLAGS_WEC) |
| |
| /* Set object 'length'. */ |
| DUK_INTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_size_t length); |
| |
| /* Raw internal valstack access macros: access is unsafe so call site |
| * must have a guarantee that the index is valid. When that is the case, |
| * using these macro results in faster and smaller code than duk_get_tval(). |
| * Both 'ctx' and 'idx' are evaluted multiple times, but only for asserts. |
| */ |
| #define DUK_ASSERT_VALID_NEGIDX(ctx,idx) \ |
| (DUK_ASSERT_EXPR((idx) < 0), DUK_ASSERT_EXPR(duk_is_valid_index((ctx), (idx)))) |
| #define DUK_ASSERT_VALID_POSIDX(ctx,idx) \ |
| (DUK_ASSERT_EXPR((idx) >= 0), DUK_ASSERT_EXPR(duk_is_valid_index((ctx), (idx)))) |
| #define DUK_GET_TVAL_NEGIDX(ctx,idx) \ |
| (DUK_ASSERT_VALID_NEGIDX((ctx),(idx)), ((duk_hthread *) (ctx))->valstack_top + (idx)) |
| #define DUK_GET_TVAL_POSIDX(ctx,idx) \ |
| (DUK_ASSERT_VALID_POSIDX((ctx),(idx)), ((duk_hthread *) (ctx))->valstack_bottom + (idx)) |
| #define DUK_GET_HOBJECT_NEGIDX(ctx,idx) \ |
| (DUK_ASSERT_VALID_NEGIDX((ctx),(idx)), DUK_TVAL_GET_OBJECT(((duk_hthread *) (ctx))->valstack_top + (idx))) |
| #define DUK_GET_HOBJECT_POSIDX(ctx,idx) \ |
| (DUK_ASSERT_VALID_POSIDX((ctx),(idx)), DUK_TVAL_GET_OBJECT(((duk_hthread *) (ctx))->valstack_bottom + (idx))) |
| |
| #endif /* DUK_API_INTERNAL_H_INCLUDED */ |
