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Posted to commits@nifi.apache.org by al...@apache.org on 2017/05/04 19:10:36 UTC
[28/51] [abbrv] [partial] nifi-minifi-cpp git commit: MINIFI-293
Remove thirdparty dependencies no longer utilized inclusive of libxml2 and
all of civetweb thirdparty
http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/b8103f03/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_duktape.c
----------------------------------------------------------------------
diff --git a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_duktape.c b/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_duktape.c
deleted file mode 100644
index 79d6919..0000000
--- a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_duktape.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*
- * Duktape built-ins
- *
- * Size optimization note: it might seem that vararg multipurpose functions
- * like fin(), enc(), and dec() are not very size optimal, but using a single
- * user-visible Ecmascript function saves a lot of run-time footprint; each
- * Function instance takes >100 bytes. Using a shared native helper and a
- * 'magic' value won't save much if there are multiple Function instances
- * anyway.
- */
-
-#include "duk_internal.h"
-
-/* Raw helper to extract internal information / statistics about a value.
- * The return values are version specific and must not expose anything
- * that would lead to security issues (e.g. exposing compiled function
- * 'data' buffer might be an issue). Currently only counts and sizes and
- * such are given so there should not be a security impact.
- */
-DUK_INTERNAL duk_ret_t duk_bi_duktape_object_info(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_tval *tv;
- duk_heaphdr *h;
- duk_int_t i, n;
-
- DUK_UNREF(thr);
-
- /* result array */
- duk_push_array(ctx); /* -> [ val arr ] */
-
- /* type tag (public) */
- duk_push_int(ctx, duk_get_type(ctx, 0));
-
- /* address */
- tv = duk_get_tval(ctx, 0);
- DUK_ASSERT(tv != NULL); /* because arg count is 1 */
- if (DUK_TVAL_IS_HEAP_ALLOCATED(tv)) {
- h = DUK_TVAL_GET_HEAPHDR(tv);
- duk_push_pointer(ctx, (void *) h);
- } else {
- /* internal type tag */
- duk_push_int(ctx, (duk_int_t) DUK_TVAL_GET_TAG(tv));
- goto done;
- }
- DUK_ASSERT(h != NULL);
-
- /* refcount */
-#ifdef DUK_USE_REFERENCE_COUNTING
- duk_push_size_t(ctx, DUK_HEAPHDR_GET_REFCOUNT(h));
-#else
- duk_push_undefined(ctx);
-#endif
-
- /* heaphdr size and additional allocation size, followed by
- * type specific stuff (with varying value count)
- */
- switch ((duk_small_int_t) DUK_HEAPHDR_GET_TYPE(h)) {
- case DUK_HTYPE_STRING: {
- duk_hstring *h_str = (duk_hstring *) h;
- duk_push_uint(ctx, (duk_uint_t) (sizeof(duk_hstring) + DUK_HSTRING_GET_BYTELEN(h_str) + 1));
- break;
- }
- case DUK_HTYPE_OBJECT: {
- duk_hobject *h_obj = (duk_hobject *) h;
- duk_small_uint_t hdr_size;
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(h_obj)) {
- hdr_size = (duk_small_uint_t) sizeof(duk_hcompiledfunction);
- } else if (DUK_HOBJECT_IS_NATIVEFUNCTION(h_obj)) {
- hdr_size = (duk_small_uint_t) sizeof(duk_hnativefunction);
- } else if (DUK_HOBJECT_IS_THREAD(h_obj)) {
- hdr_size = (duk_small_uint_t) sizeof(duk_hthread);
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
- } else if (DUK_HOBJECT_IS_BUFFEROBJECT(h_obj)) {
- hdr_size = (duk_small_uint_t) sizeof(duk_hbufferobject);
-#endif
- } else {
- hdr_size = (duk_small_uint_t) sizeof(duk_hobject);
- }
- duk_push_uint(ctx, (duk_uint_t) hdr_size);
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_P_ALLOC_SIZE(h_obj));
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_GET_ESIZE(h_obj));
- /* Note: e_next indicates the number of gc-reachable entries
- * in the entry part, and also indicates the index where the
- * next new property would be inserted. It does *not* indicate
- * the number of non-NULL keys present in the object. That
- * value could be counted separately but requires a pass through
- * the key list.
- */
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_GET_ENEXT(h_obj));
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_GET_ASIZE(h_obj));
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_GET_HSIZE(h_obj));
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(h_obj)) {
- duk_hbuffer *h_data = (duk_hbuffer *) DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, (duk_hcompiledfunction *) h_obj);
- if (h_data) {
- duk_push_uint(ctx, (duk_uint_t) DUK_HBUFFER_GET_SIZE(h_data));
- } else {
- duk_push_uint(ctx, 0);
- }
- }
- break;
- }
- case DUK_HTYPE_BUFFER: {
- duk_hbuffer *h_buf = (duk_hbuffer *) h;
- if (DUK_HBUFFER_HAS_DYNAMIC(h_buf)) {
- if (DUK_HBUFFER_HAS_EXTERNAL(h_buf)) {
- duk_push_uint(ctx, (duk_uint_t) (sizeof(duk_hbuffer_external)));
- } else {
- /* When alloc_size == 0 the second allocation may not
- * actually exist.
- */
- duk_push_uint(ctx, (duk_uint_t) (sizeof(duk_hbuffer_dynamic)));
- }
- duk_push_uint(ctx, (duk_uint_t) (DUK_HBUFFER_GET_SIZE(h_buf)));
- } else {
- duk_push_uint(ctx, (duk_uint_t) (sizeof(duk_hbuffer_fixed) + DUK_HBUFFER_GET_SIZE(h_buf) + 1));
- }
- break;
-
- }
- }
-
- done:
- /* set values into ret array */
- /* XXX: primitive to make array from valstack slice */
- n = duk_get_top(ctx);
- for (i = 2; i < n; i++) {
- duk_dup(ctx, i);
- duk_put_prop_index(ctx, 1, i - 2);
- }
- duk_dup(ctx, 1);
- return 1;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_duktape_object_act(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_activation *act;
- duk_uint_fast32_t pc;
- duk_uint_fast32_t line;
- duk_int_t level;
-
- /* -1 = top callstack entry, callstack[callstack_top - 1]
- * -callstack_top = bottom callstack entry, callstack[0]
- */
- level = duk_to_int(ctx, 0);
- if (level >= 0 || -level > (duk_int_t) thr->callstack_top) {
- return 0;
- }
- DUK_ASSERT(level >= -((duk_int_t) thr->callstack_top) && level <= -1);
- act = thr->callstack + thr->callstack_top + level;
-
- duk_push_object(ctx);
-
- duk_push_tval(ctx, &act->tv_func);
-
- /* Relevant PC is just before current one because PC is
- * post-incremented. This should match what error augment
- * code does.
- */
- pc = duk_hthread_get_act_prev_pc(thr, act);
- duk_push_uint(ctx, (duk_uint_t) pc);
-
-#if defined(DUK_USE_PC2LINE)
- line = duk_hobject_pc2line_query(ctx, -2, pc);
-#else
- line = 0;
-#endif
- duk_push_uint(ctx, (duk_uint_t) line);
-
- /* Providing access to e.g. act->lex_env would be dangerous: these
- * internal structures must never be accessible to the application.
- * Duktape relies on them having consistent data, and this consistency
- * is only asserted for, not checked for.
- */
-
- /* [ level obj func pc line ] */
-
- /* XXX: version specific array format instead? */
- duk_xdef_prop_stridx_wec(ctx, -4, DUK_STRIDX_LINE_NUMBER);
- duk_xdef_prop_stridx_wec(ctx, -3, DUK_STRIDX_PC);
- duk_xdef_prop_stridx_wec(ctx, -2, DUK_STRIDX_LC_FUNCTION);
- return 1;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_duktape_object_gc(duk_context *ctx) {
-#ifdef DUK_USE_MARK_AND_SWEEP
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_small_uint_t flags;
- duk_bool_t rc;
-
- flags = (duk_small_uint_t) duk_get_uint(ctx, 0);
- rc = duk_heap_mark_and_sweep(thr->heap, flags);
-
- /* XXX: Not sure what the best return value would be in the API.
- * Return a boolean for now. Note that rc == 0 is success (true).
- */
- duk_push_boolean(ctx, !rc);
- return 1;
-#else
- DUK_UNREF(ctx);
- return 0;
-#endif
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_duktape_object_fin(duk_context *ctx) {
- (void) duk_require_hobject(ctx, 0);
- if (duk_get_top(ctx) >= 2) {
- /* Set: currently a finalizer is disabled by setting it to
- * undefined; this does not remove the property at the moment.
- * The value could be type checked to be either a function
- * or something else; if something else, the property could
- * be deleted.
- */
- duk_set_top(ctx, 2);
- (void) duk_put_prop_stridx(ctx, 0, DUK_STRIDX_INT_FINALIZER);
- return 0;
- } else {
- /* Get. */
- DUK_ASSERT(duk_get_top(ctx) == 1);
- duk_get_prop_stridx(ctx, 0, DUK_STRIDX_INT_FINALIZER);
- return 1;
- }
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_duktape_object_enc(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_hstring *h_str;
-
- DUK_UNREF(thr);
-
- /* Vararg function: must be careful to check/require arguments.
- * The JSON helpers accept invalid indices and treat them like
- * non-existent optional parameters.
- */
-
- h_str = duk_require_hstring(ctx, 0);
- duk_require_valid_index(ctx, 1);
-
- if (h_str == DUK_HTHREAD_STRING_HEX(thr)) {
- duk_set_top(ctx, 2);
- duk_hex_encode(ctx, 1);
- DUK_ASSERT_TOP(ctx, 2);
- } else if (h_str == DUK_HTHREAD_STRING_BASE64(thr)) {
- duk_set_top(ctx, 2);
- duk_base64_encode(ctx, 1);
- DUK_ASSERT_TOP(ctx, 2);
-#ifdef DUK_USE_JX
- } else if (h_str == DUK_HTHREAD_STRING_JX(thr)) {
- duk_bi_json_stringify_helper(ctx,
- 1 /*idx_value*/,
- 2 /*idx_replacer*/,
- 3 /*idx_space*/,
- DUK_JSON_FLAG_EXT_CUSTOM |
- DUK_JSON_FLAG_ASCII_ONLY |
- DUK_JSON_FLAG_AVOID_KEY_QUOTES /*flags*/);
-#endif
-#ifdef DUK_USE_JC
- } else if (h_str == DUK_HTHREAD_STRING_JC(thr)) {
- duk_bi_json_stringify_helper(ctx,
- 1 /*idx_value*/,
- 2 /*idx_replacer*/,
- 3 /*idx_space*/,
- DUK_JSON_FLAG_EXT_COMPATIBLE |
- DUK_JSON_FLAG_ASCII_ONLY /*flags*/);
-#endif
- } else {
- return DUK_RET_TYPE_ERROR;
- }
- return 1;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_duktape_object_dec(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_hstring *h_str;
-
- DUK_UNREF(thr);
-
- /* Vararg function: must be careful to check/require arguments.
- * The JSON helpers accept invalid indices and treat them like
- * non-existent optional parameters.
- */
-
- h_str = duk_require_hstring(ctx, 0);
- duk_require_valid_index(ctx, 1);
-
- if (h_str == DUK_HTHREAD_STRING_HEX(thr)) {
- duk_set_top(ctx, 2);
- duk_hex_decode(ctx, 1);
- DUK_ASSERT_TOP(ctx, 2);
- } else if (h_str == DUK_HTHREAD_STRING_BASE64(thr)) {
- duk_set_top(ctx, 2);
- duk_base64_decode(ctx, 1);
- DUK_ASSERT_TOP(ctx, 2);
-#ifdef DUK_USE_JX
- } else if (h_str == DUK_HTHREAD_STRING_JX(thr)) {
- duk_bi_json_parse_helper(ctx,
- 1 /*idx_value*/,
- 2 /*idx_replacer*/,
- DUK_JSON_FLAG_EXT_CUSTOM /*flags*/);
-#endif
-#ifdef DUK_USE_JC
- } else if (h_str == DUK_HTHREAD_STRING_JC(thr)) {
- duk_bi_json_parse_helper(ctx,
- 1 /*idx_value*/,
- 2 /*idx_replacer*/,
- DUK_JSON_FLAG_EXT_COMPATIBLE /*flags*/);
-#endif
- } else {
- return DUK_RET_TYPE_ERROR;
- }
- return 1;
-}
-
-/*
- * Compact an object
- */
-
-DUK_INTERNAL duk_ret_t duk_bi_duktape_object_compact(duk_context *ctx) {
- DUK_ASSERT_TOP(ctx, 1);
- duk_compact(ctx, 0);
- return 1; /* return the argument object */
-}
http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/b8103f03/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_error.c
----------------------------------------------------------------------
diff --git a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_error.c b/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_error.c
deleted file mode 100644
index b575fff..0000000
--- a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_error.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * Error built-ins
- */
-
-#include "duk_internal.h"
-
-DUK_INTERNAL duk_ret_t duk_bi_error_constructor_shared(duk_context *ctx) {
- /* Behavior for constructor and non-constructor call is
- * the same except for augmenting the created error. When
- * called as a constructor, the caller (duk_new()) will handle
- * augmentation; when called as normal function, we need to do
- * it here.
- */
-
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_small_int_t bidx_prototype = duk_get_current_magic(ctx);
-
- /* same for both error and each subclass like TypeError */
- duk_uint_t flags_and_class = DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ERROR);
-
- DUK_UNREF(thr);
-
- duk_push_object_helper(ctx, flags_and_class, bidx_prototype);
-
- /* If message is undefined, the own property 'message' is not set at
- * all to save property space. An empty message is inherited anyway.
- */
- if (!duk_is_undefined(ctx, 0)) {
- duk_to_string(ctx, 0);
- duk_dup(ctx, 0); /* [ message error message ] */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_MESSAGE, DUK_PROPDESC_FLAGS_WC);
- }
-
- /* Augment the error if called as a normal function. __FILE__ and __LINE__
- * are not desirable in this case.
- */
-
-#ifdef DUK_USE_AUGMENT_ERROR_CREATE
- if (!duk_is_constructor_call(ctx)) {
- duk_err_augment_error_create(thr, thr, NULL, 0, 1 /*noblame_fileline*/);
- }
-#endif
-
- return 1;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_to_string(duk_context *ctx) {
- /* XXX: optimize with more direct internal access */
-
- duk_push_this(ctx);
- (void) duk_require_hobject_or_lfunc_coerce(ctx, -1);
-
- /* [ ... this ] */
-
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_NAME);
- if (duk_is_undefined(ctx, -1)) {
- duk_pop(ctx);
- duk_push_string(ctx, "Error");
- } else {
- duk_to_string(ctx, -1);
- }
-
- /* [ ... this name ] */
-
- /* XXX: Are steps 6 and 7 in E5 Section 15.11.4.4 duplicated by
- * accident or are they actually needed? The first ToString()
- * could conceivably return 'undefined'.
- */
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_MESSAGE);
- if (duk_is_undefined(ctx, -1)) {
- duk_pop(ctx);
- duk_push_string(ctx, "");
- } else {
- duk_to_string(ctx, -1);
- }
-
- /* [ ... this name message ] */
-
- if (duk_get_length(ctx, -2) == 0) {
- /* name is empty -> return message */
- return 1;
- }
- if (duk_get_length(ctx, -1) == 0) {
- /* message is empty -> return name */
- duk_pop(ctx);
- return 1;
- }
- duk_push_string(ctx, ": ");
- duk_insert(ctx, -2); /* ... name ': ' message */
- duk_concat(ctx, 3);
-
- return 1;
-}
-
-#if defined(DUK_USE_TRACEBACKS)
-
-/*
- * Traceback handling
- *
- * The unified helper decodes the traceback and produces various requested
- * outputs. It should be optimized for size, and may leave garbage on stack,
- * only the topmost return value matters. For instance, traceback separator
- * and decoded strings are pushed even when looking for filename only.
- *
- * NOTE: although _Tracedata is an internal property, user code can currently
- * write to the array (or replace it with something other than an array).
- * The code below must tolerate arbitrary _Tracedata. It can throw errors
- * etc, but cannot cause a segfault or memory unsafe behavior.
- */
-
-/* constants arbitrary, chosen for small loads */
-#define DUK__OUTPUT_TYPE_TRACEBACK (-1)
-#define DUK__OUTPUT_TYPE_FILENAME 0
-#define DUK__OUTPUT_TYPE_LINENUMBER 1
-
-DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t output_type) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_idx_t idx_td;
- duk_small_int_t i; /* traceback depth fits into 16 bits */
- duk_small_int_t t; /* stack type fits into 16 bits */
- duk_small_int_t count_func = 0; /* traceback depth ensures fits into 16 bits */
- const char *str_tailcall = " tailcall";
- const char *str_strict = " strict";
- const char *str_construct = " construct";
- const char *str_prevyield = " preventsyield";
- const char *str_directeval = " directeval";
- const char *str_empty = "";
-
- DUK_ASSERT_TOP(ctx, 0); /* fixed arg count */
- DUK_UNREF(thr);
-
- duk_push_this(ctx);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_TRACEDATA);
- idx_td = duk_get_top_index(ctx);
-
- duk_push_hstring_stridx(ctx, DUK_STRIDX_NEWLINE_4SPACE);
- duk_push_this(ctx);
-
- /* [ ... this tracedata sep this ] */
-
- /* XXX: skip null filename? */
-
- if (duk_check_type(ctx, idx_td, DUK_TYPE_OBJECT)) {
- /* Current tracedata contains 2 entries per callstack entry. */
- for (i = 0; ; i += 2) {
- duk_int_t pc;
- duk_int_t line;
- duk_int_t flags;
- duk_double_t d;
- const char *funcname;
- const char *filename;
- duk_hobject *h_func;
- duk_hstring *h_name;
-
- duk_require_stack(ctx, 5);
- duk_get_prop_index(ctx, idx_td, i);
- duk_get_prop_index(ctx, idx_td, i + 1);
- d = duk_to_number(ctx, -1);
- pc = (duk_int_t) DUK_FMOD(d, DUK_DOUBLE_2TO32);
- flags = (duk_int_t) DUK_FLOOR(d / DUK_DOUBLE_2TO32);
- t = (duk_small_int_t) duk_get_type(ctx, -2);
-
- if (t == DUK_TYPE_OBJECT || t == DUK_TYPE_LIGHTFUNC) {
- /*
- * Ecmascript/native function call or lightfunc call
- */
-
- count_func++;
-
- /* [ ... v1(func) v2(pc+flags) ] */
-
- h_func = duk_get_hobject(ctx, -2); /* NULL for lightfunc */
-
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME);
- duk_get_prop_stridx(ctx, -3, DUK_STRIDX_FILE_NAME);
-
-#if defined(DUK_USE_PC2LINE)
- line = duk_hobject_pc2line_query(ctx, -4, (duk_uint_fast32_t) pc);
-#else
- line = 0;
-#endif
-
- /* [ ... v1 v2 name filename ] */
-
- /* When looking for .fileName/.lineNumber, blame first
- * function which has a .fileName.
- */
- if (duk_is_string(ctx, -1)) {
- if (output_type == DUK__OUTPUT_TYPE_FILENAME) {
- return 1;
- } else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) {
- duk_push_int(ctx, line);
- return 1;
- }
- }
-
- /* XXX: Change 'anon' handling here too, to use empty string for anonymous functions? */
- /* XXX: Could be improved by coercing to a readable duk_tval (especially string escaping) */
- h_name = duk_get_hstring(ctx, -2); /* may be NULL */
- funcname = (h_name == NULL || h_name == DUK_HTHREAD_STRING_EMPTY_STRING(thr)) ?
- "[anon]" : (const char *) DUK_HSTRING_GET_DATA(h_name);
- filename = duk_get_string(ctx, -1);
- filename = filename ? filename : "";
- DUK_ASSERT(funcname != NULL);
- DUK_ASSERT(filename != NULL);
-
- if (h_func == NULL) {
- duk_push_sprintf(ctx, "at %s light%s%s%s%s%s",
- (const char *) funcname,
- (const char *) ((flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcall : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty));
- } else if (DUK_HOBJECT_HAS_NATIVEFUNCTION(h_func)) {
- duk_push_sprintf(ctx, "at %s (%s) native%s%s%s%s%s",
- (const char *) funcname,
- (const char *) filename,
- (const char *) ((flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcall : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty));
- } else {
- duk_push_sprintf(ctx, "at %s (%s:%ld)%s%s%s%s%s",
- (const char *) funcname,
- (const char *) filename,
- (long) line,
- (const char *) ((flags & DUK_ACT_FLAG_STRICT) ? str_strict : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_TAILCALLED) ? str_tailcall : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty),
- (const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty));
- }
- duk_replace(ctx, -5); /* [ ... v1 v2 name filename str ] -> [ ... str v2 name filename ] */
- duk_pop_n(ctx, 3); /* -> [ ... str ] */
- } else if (t == DUK_TYPE_STRING) {
- /*
- * __FILE__ / __LINE__ entry, here 'pc' is line number directly.
- * Sometimes __FILE__ / __LINE__ is reported as the source for
- * the error (fileName, lineNumber), sometimes not.
- */
-
- /* [ ... v1(filename) v2(line+flags) ] */
-
- /* When looking for .fileName/.lineNumber, blame compilation
- * or C call site unless flagged not to do so.
- */
- if (!(flags & DUK_TB_FLAG_NOBLAME_FILELINE)) {
- if (output_type == DUK__OUTPUT_TYPE_FILENAME) {
- duk_pop(ctx);
- return 1;
- } else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) {
- duk_push_int(ctx, pc);
- return 1;
- }
- }
-
- duk_push_sprintf(ctx, "at [anon] (%s:%ld) internal",
- (const char *) duk_get_string(ctx, -2), (long) pc);
- duk_replace(ctx, -3); /* [ ... v1 v2 str ] -> [ ... str v2 ] */
- duk_pop(ctx); /* -> [ ... str ] */
- } else {
- /* unknown, ignore */
- duk_pop_2(ctx);
- break;
- }
- }
-
- if (count_func >= DUK_USE_TRACEBACK_DEPTH) {
- /* Possibly truncated; there is no explicit truncation
- * marker so this is the best we can do.
- */
-
- duk_push_hstring_stridx(ctx, DUK_STRIDX_BRACKETED_ELLIPSIS);
- }
- }
-
- /* [ ... this tracedata sep this str1 ... strN ] */
-
- if (output_type != DUK__OUTPUT_TYPE_TRACEBACK) {
- return 0;
- } else {
- /* The 'this' after 'sep' will get ToString() coerced by
- * duk_join() automatically. We don't want to do that
- * coercion when providing .fileName or .lineNumber (GH-254).
- */
- duk_join(ctx, duk_get_top(ctx) - (idx_td + 2) /*count, not including sep*/);
- return 1;
- }
-}
-
-/* XXX: Output type could be encoded into native function 'magic' value to
- * save space. For setters the stridx could be encoded into 'magic'.
- */
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_stack_getter(duk_context *ctx) {
- return duk__error_getter_helper(ctx, DUK__OUTPUT_TYPE_TRACEBACK);
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_filename_getter(duk_context *ctx) {
- return duk__error_getter_helper(ctx, DUK__OUTPUT_TYPE_FILENAME);
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_linenumber_getter(duk_context *ctx) {
- return duk__error_getter_helper(ctx, DUK__OUTPUT_TYPE_LINENUMBER);
-}
-
-#undef DUK__OUTPUT_TYPE_TRACEBACK
-#undef DUK__OUTPUT_TYPE_FILENAME
-#undef DUK__OUTPUT_TYPE_LINENUMBER
-
-#else /* DUK_USE_TRACEBACKS */
-
-/*
- * Traceback handling when tracebacks disabled.
- *
- * The fileName / lineNumber stubs are now necessary because built-in
- * data will include the accessor properties in Error.prototype. If those
- * are removed for builds without tracebacks, these can also be removed.
- * 'stack' should still be present and produce a ToString() equivalent:
- * this is useful for user code which prints a stacktrace and expects to
- * see something useful. A normal stacktrace also begins with a ToString()
- * of the error so this makes sense.
- */
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_stack_getter(duk_context *ctx) {
- /* XXX: remove this native function and map 'stack' accessor
- * to the toString() implementation directly.
- */
- return duk_bi_error_prototype_to_string(ctx);
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_filename_getter(duk_context *ctx) {
- DUK_UNREF(ctx);
- return 0;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_linenumber_getter(duk_context *ctx) {
- DUK_UNREF(ctx);
- return 0;
-}
-
-#endif /* DUK_USE_TRACEBACKS */
-
-DUK_LOCAL duk_ret_t duk__error_setter_helper(duk_context *ctx, duk_small_uint_t stridx_key) {
- /* Attempt to write 'stack', 'fileName', 'lineNumber' works as if
- * user code called Object.defineProperty() to create an overriding
- * own property. This allows user code to overwrite .fileName etc
- * intuitively as e.g. "err.fileName = 'dummy'" as one might expect.
- * See https://github.com/svaarala/duktape/issues/387.
- */
-
- DUK_ASSERT_TOP(ctx, 1); /* fixed arg count: value */
-
- duk_push_this(ctx);
- duk_push_hstring_stridx(ctx, (duk_small_int_t) stridx_key);
- duk_dup(ctx, 0);
-
- /* [ ... obj key value ] */
-
- DUK_DD(DUK_DDPRINT("error setter: %!T %!T %!T",
- duk_get_tval(ctx, -3), duk_get_tval(ctx, -2), duk_get_tval(ctx, -1)));
-
- duk_def_prop(ctx, -3, DUK_DEFPROP_HAVE_VALUE |
- DUK_DEFPROP_HAVE_WRITABLE | DUK_DEFPROP_WRITABLE |
- DUK_DEFPROP_HAVE_ENUMERABLE | /*not enumerable*/
- DUK_DEFPROP_HAVE_CONFIGURABLE | DUK_DEFPROP_CONFIGURABLE);
- return 0;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_stack_setter(duk_context *ctx) {
- return duk__error_setter_helper(ctx, DUK_STRIDX_STACK);
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_filename_setter(duk_context *ctx) {
- return duk__error_setter_helper(ctx, DUK_STRIDX_FILE_NAME);
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_error_prototype_linenumber_setter(duk_context *ctx) {
- return duk__error_setter_helper(ctx, DUK_STRIDX_LINE_NUMBER);
-}
http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/b8103f03/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_function.c
----------------------------------------------------------------------
diff --git a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_function.c b/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_function.c
deleted file mode 100644
index 2596a4a..0000000
--- a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_function.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/*
- * Function built-ins
- */
-
-#include "duk_internal.h"
-
-DUK_INTERNAL duk_ret_t duk_bi_function_constructor(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_hstring *h_sourcecode;
- duk_idx_t nargs;
- duk_idx_t i;
- duk_small_uint_t comp_flags;
- duk_hcompiledfunction *func;
- duk_hobject *outer_lex_env;
- duk_hobject *outer_var_env;
-
- /* normal and constructor calls have identical semantics */
-
- nargs = duk_get_top(ctx);
- for (i = 0; i < nargs; i++) {
- duk_to_string(ctx, i);
- }
-
- if (nargs == 0) {
- duk_push_string(ctx, "");
- duk_push_string(ctx, "");
- } else if (nargs == 1) {
- /* XXX: cover this with the generic >1 case? */
- duk_push_string(ctx, "");
- } else {
- duk_insert(ctx, 0); /* [ arg1 ... argN-1 body] -> [body arg1 ... argN-1] */
- duk_push_string(ctx, ",");
- duk_insert(ctx, 1);
- duk_join(ctx, nargs - 1);
- }
-
- /* [ body formals ], formals is comma separated list that needs to be parsed */
-
- DUK_ASSERT_TOP(ctx, 2);
-
- /* XXX: this placeholder is not always correct, but use for now.
- * It will fail in corner cases; see test-dev-func-cons-args.js.
- */
- duk_push_string(ctx, "function(");
- duk_dup(ctx, 1);
- duk_push_string(ctx, "){");
- duk_dup(ctx, 0);
- duk_push_string(ctx, "}");
- duk_concat(ctx, 5);
-
- /* [ body formals source ] */
-
- DUK_ASSERT_TOP(ctx, 3);
-
- /* strictness is not inherited, intentional */
- comp_flags = DUK_JS_COMPILE_FLAG_FUNCEXPR;
-
- duk_push_hstring_stridx(ctx, DUK_STRIDX_COMPILE); /* XXX: copy from caller? */ /* XXX: ignored now */
- h_sourcecode = duk_require_hstring(ctx, -2);
- duk_js_compile(thr,
- (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h_sourcecode),
- (duk_size_t) DUK_HSTRING_GET_BYTELEN(h_sourcecode),
- comp_flags);
- func = (duk_hcompiledfunction *) duk_get_hobject(ctx, -1);
- DUK_ASSERT(func != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) func));
-
- /* [ body formals source template ] */
-
- /* only outer_lex_env matters, as functions always get a new
- * variable declaration environment.
- */
-
- outer_lex_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
- outer_var_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
-
- duk_js_push_closure(thr, func, outer_var_env, outer_lex_env, 1 /*add_auto_proto*/);
-
- /* [ body formals source template closure ] */
-
- return 1;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_function_prototype(duk_context *ctx) {
- /* ignore arguments, return undefined (E5 Section 15.3.4) */
- DUK_UNREF(ctx);
- return 0;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_function_prototype_to_string(duk_context *ctx) {
- duk_tval *tv;
-
- /*
- * E5 Section 15.3.4.2 places few requirements on the output of
- * this function:
- *
- * - The result is an implementation dependent representation
- * of the function; in particular
- *
- * - The result must follow the syntax of a FunctionDeclaration.
- * In particular, the function must have a name (even in the
- * case of an anonymous function or a function with an empty
- * name).
- *
- * - Note in particular that the output does NOT need to compile
- * into anything useful.
- */
-
-
- /* XXX: faster internal way to get this */
- duk_push_this(ctx);
- tv = duk_get_tval(ctx, -1);
- DUK_ASSERT(tv != NULL);
-
- if (DUK_TVAL_IS_OBJECT(tv)) {
- duk_hobject *obj = DUK_TVAL_GET_OBJECT(tv);
- const char *func_name;
-
- /* Function name: missing/undefined is mapped to empty string,
- * otherwise coerce to string.
- */
- /* XXX: currently no handling for non-allowed identifier characters,
- * e.g. a '{' in the function name.
- */
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_NAME);
- if (duk_is_undefined(ctx, -1)) {
- func_name = "";
- } else {
- func_name = duk_to_string(ctx, -1);
- DUK_ASSERT(func_name != NULL);
- }
-
- /* Indicate function type in the function body using a dummy
- * directive.
- */
- if (DUK_HOBJECT_HAS_COMPILEDFUNCTION(obj)) {
- duk_push_sprintf(ctx, "function %s() {\"ecmascript\"}", (const char *) func_name);
- } else if (DUK_HOBJECT_HAS_NATIVEFUNCTION(obj)) {
- duk_push_sprintf(ctx, "function %s() {\"native\"}", (const char *) func_name);
- } else if (DUK_HOBJECT_HAS_BOUND(obj)) {
- duk_push_sprintf(ctx, "function %s() {\"bound\"}", (const char *) func_name);
- } else {
- goto type_error;
- }
- } else if (DUK_TVAL_IS_LIGHTFUNC(tv)) {
- duk_push_lightfunc_tostring(ctx, tv);
- } else {
- goto type_error;
- }
-
- return 1;
-
- type_error:
- return DUK_RET_TYPE_ERROR;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_function_prototype_apply(duk_context *ctx) {
- duk_idx_t len;
- duk_idx_t i;
-
- DUK_ASSERT_TOP(ctx, 2); /* not a vararg function */
-
- duk_push_this(ctx);
- if (!duk_is_callable(ctx, -1)) {
- DUK_DDD(DUK_DDDPRINT("func is not callable"));
- goto type_error;
- }
- duk_insert(ctx, 0);
- DUK_ASSERT_TOP(ctx, 3);
-
- DUK_DDD(DUK_DDDPRINT("func=%!iT, thisArg=%!iT, argArray=%!iT",
- (duk_tval *) duk_get_tval(ctx, 0),
- (duk_tval *) duk_get_tval(ctx, 1),
- (duk_tval *) duk_get_tval(ctx, 2)));
-
- /* [ func thisArg argArray ] */
-
- if (duk_is_null_or_undefined(ctx, 2)) {
- DUK_DDD(DUK_DDDPRINT("argArray is null/undefined, no args"));
- len = 0;
- } else if (!duk_is_object(ctx, 2)) {
- goto type_error;
- } else {
- DUK_DDD(DUK_DDDPRINT("argArray is an object"));
-
- /* XXX: make this an internal helper */
- duk_get_prop_stridx(ctx, 2, DUK_STRIDX_LENGTH);
- len = (duk_idx_t) duk_to_uint32(ctx, -1); /* ToUint32() coercion required */
- duk_pop(ctx);
-
- duk_require_stack(ctx, len);
-
- DUK_DDD(DUK_DDDPRINT("argArray length is %ld", (long) len));
- for (i = 0; i < len; i++) {
- duk_get_prop_index(ctx, 2, i);
- }
- }
- duk_remove(ctx, 2);
- DUK_ASSERT_TOP(ctx, 2 + len);
-
- /* [ func thisArg arg1 ... argN ] */
-
- DUK_DDD(DUK_DDDPRINT("apply, func=%!iT, thisArg=%!iT, len=%ld",
- (duk_tval *) duk_get_tval(ctx, 0),
- (duk_tval *) duk_get_tval(ctx, 1),
- (long) len));
- duk_call_method(ctx, len);
- return 1;
-
- type_error:
- return DUK_RET_TYPE_ERROR;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_function_prototype_call(duk_context *ctx) {
- duk_idx_t nargs;
-
- /* Step 1 is not necessary because duk_call_method() will take
- * care of it.
- */
-
- /* vararg function, thisArg needs special handling */
- nargs = duk_get_top(ctx); /* = 1 + arg count */
- if (nargs == 0) {
- duk_push_undefined(ctx);
- nargs++;
- }
- DUK_ASSERT(nargs >= 1);
-
- /* [ thisArg arg1 ... argN ] */
-
- duk_push_this(ctx); /* 'func' in the algorithm */
- duk_insert(ctx, 0);
-
- /* [ func thisArg arg1 ... argN ] */
-
- DUK_DDD(DUK_DDDPRINT("func=%!iT, thisArg=%!iT, argcount=%ld, top=%ld",
- (duk_tval *) duk_get_tval(ctx, 0),
- (duk_tval *) duk_get_tval(ctx, 1),
- (long) (nargs - 1),
- (long) duk_get_top(ctx)));
- duk_call_method(ctx, nargs - 1);
- return 1;
-}
-
-/* XXX: the implementation now assumes "chained" bound functions,
- * whereas "collapsed" bound functions (where there is ever only
- * one bound function which directly points to a non-bound, final
- * function) would require a "collapsing" implementation which
- * merges argument lists etc here.
- */
-DUK_INTERNAL duk_ret_t duk_bi_function_prototype_bind(duk_context *ctx) {
- duk_hobject *h_bound;
- duk_hobject *h_target;
- duk_idx_t nargs;
- duk_idx_t i;
-
- /* vararg function, careful arg handling (e.g. thisArg may not be present) */
- nargs = duk_get_top(ctx); /* = 1 + arg count */
- if (nargs == 0) {
- duk_push_undefined(ctx);
- nargs++;
- }
- DUK_ASSERT(nargs >= 1);
-
- duk_push_this(ctx);
- if (!duk_is_callable(ctx, -1)) {
- DUK_DDD(DUK_DDDPRINT("func is not callable"));
- goto type_error;
- }
-
- /* [ thisArg arg1 ... argN func ] (thisArg+args == nargs total) */
- DUK_ASSERT_TOP(ctx, nargs + 1);
-
- /* create bound function object */
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BOUND |
- DUK_HOBJECT_FLAG_CONSTRUCTABLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_FUNCTION),
- DUK_BIDX_FUNCTION_PROTOTYPE);
- h_bound = duk_get_hobject(ctx, -1);
- DUK_ASSERT(h_bound != NULL);
-
- /* [ thisArg arg1 ... argN func boundFunc ] */
- duk_dup(ctx, -2); /* func */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
-
- duk_dup(ctx, 0); /* thisArg */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_THIS, DUK_PROPDESC_FLAGS_NONE);
-
- duk_push_array(ctx);
-
- /* [ thisArg arg1 ... argN func boundFunc argArray ] */
-
- for (i = 0; i < nargs - 1; i++) {
- duk_dup(ctx, 1 + i);
- duk_put_prop_index(ctx, -2, i);
- }
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_ARGS, DUK_PROPDESC_FLAGS_NONE);
-
- /* [ thisArg arg1 ... argN func boundFunc ] */
-
- /* bound function 'length' property is interesting */
- h_target = duk_get_hobject(ctx, -2);
- if (h_target == NULL || /* lightfunc */
- DUK_HOBJECT_GET_CLASS_NUMBER(h_target) == DUK_HOBJECT_CLASS_FUNCTION) {
- /* For lightfuncs, simply read the virtual property. */
- duk_int_t tmp;
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH);
- tmp = duk_to_int(ctx, -1) - (nargs - 1); /* step 15.a */
- duk_pop(ctx);
- duk_push_int(ctx, (tmp < 0 ? 0 : tmp));
- } else {
- duk_push_int(ctx, 0);
- }
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_NONE); /* attrs in E5 Section 15.3.5.1 */
-
- /* caller and arguments must use the same thrower, [[ThrowTypeError]] */
- duk_xdef_prop_stridx_thrower(ctx, -1, DUK_STRIDX_CALLER, DUK_PROPDESC_FLAGS_NONE);
- duk_xdef_prop_stridx_thrower(ctx, -1, DUK_STRIDX_LC_ARGUMENTS, DUK_PROPDESC_FLAGS_NONE);
-
- /* these non-standard properties are copied for convenience */
- /* XXX: 'copy properties' API call? */
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_WC);
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_FILE_NAME);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_FILE_NAME, DUK_PROPDESC_FLAGS_WC);
-
- /* The 'strict' flag is copied to get the special [[Get]] of E5.1
- * Section 15.3.5.4 to apply when a 'caller' value is a strict bound
- * function. Not sure if this is correct, because the specification
- * is a bit ambiguous on this point but it would make sense.
- */
- if (h_target == NULL) {
- /* Lightfuncs are always strict. */
- DUK_HOBJECT_SET_STRICT(h_bound);
- } else if (DUK_HOBJECT_HAS_STRICT(h_target)) {
- DUK_HOBJECT_SET_STRICT(h_bound);
- }
- DUK_DDD(DUK_DDDPRINT("created bound function: %!iT", (duk_tval *) duk_get_tval(ctx, -1)));
-
- return 1;
-
- type_error:
- return DUK_RET_TYPE_ERROR;
-}
http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/b8103f03/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_global.c
----------------------------------------------------------------------
diff --git a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_global.c b/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_global.c
deleted file mode 100644
index c01f7c1..0000000
--- a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_bi_global.c
+++ /dev/null
@@ -1,1288 +0,0 @@
-/*
- * Global object built-ins
- */
-
-#include "duk_internal.h"
-
-/*
- * Encoding/decoding helpers
- */
-
-/* XXX: Could add fast path (for each transform callback) with direct byte
- * lookups (no shifting) and no explicit check for x < 0x80 before table
- * lookup.
- */
-
-/* Macros for creating and checking bitmasks for character encoding.
- * Bit number is a bit counterintuitive, but minimizes code size.
- */
-#define DUK__MKBITS(a,b,c,d,e,f,g,h) ((duk_uint8_t) ( \
- ((a) << 0) | ((b) << 1) | ((c) << 2) | ((d) << 3) | \
- ((e) << 4) | ((f) << 5) | ((g) << 6) | ((h) << 7) \
- ))
-#define DUK__CHECK_BITMASK(table,cp) ((table)[(cp) >> 3] & (1 << ((cp) & 0x07)))
-
-/* E5.1 Section 15.1.3.3: uriReserved + uriUnescaped + '#' */
-DUK_LOCAL const duk_uint8_t duk__encode_uriunescaped_table[16] = {
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x00-0x0f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x10-0x1f */
- DUK__MKBITS(0, 1, 0, 1, 1, 0, 1, 1), DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), /* 0x20-0x2f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 1, 0, 1, 0, 1), /* 0x30-0x3f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), /* 0x40-0x4f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 0, 0, 0, 0, 1), /* 0x50-0x5f */
- DUK__MKBITS(0, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), /* 0x60-0x6f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 0, 0, 0, 1, 0), /* 0x70-0x7f */
-};
-
-/* E5.1 Section 15.1.3.4: uriUnescaped */
-DUK_LOCAL const duk_uint8_t duk__encode_uricomponent_unescaped_table[16] = {
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x00-0x0f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x10-0x1f */
- DUK__MKBITS(0, 1, 0, 0, 0, 0, 0, 1), DUK__MKBITS(1, 1, 1, 0, 0, 1, 1, 0), /* 0x20-0x2f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 0, 0, 0, 0, 0, 0), /* 0x30-0x3f */
- DUK__MKBITS(0, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), /* 0x40-0x4f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 0, 0, 0, 0, 1), /* 0x50-0x5f */
- DUK__MKBITS(0, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), /* 0x60-0x6f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 0, 0, 0, 1, 0), /* 0x70-0x7f */
-};
-
-/* E5.1 Section 15.1.3.1: uriReserved + '#' */
-DUK_LOCAL const duk_uint8_t duk__decode_uri_reserved_table[16] = {
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x00-0x0f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x10-0x1f */
- DUK__MKBITS(0, 0, 0, 1, 1, 0, 1, 0), DUK__MKBITS(0, 0, 0, 1, 1, 0, 0, 1), /* 0x20-0x2f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 1, 1, 0, 1, 0, 1), /* 0x30-0x3f */
- DUK__MKBITS(1, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x40-0x4f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x50-0x5f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x60-0x6f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x70-0x7f */
-};
-
-/* E5.1 Section 15.1.3.2: empty */
-DUK_LOCAL const duk_uint8_t duk__decode_uri_component_reserved_table[16] = {
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x00-0x0f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x10-0x1f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x20-0x2f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x30-0x3f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x40-0x4f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x50-0x5f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x60-0x6f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x70-0x7f */
-};
-
-#ifdef DUK_USE_SECTION_B
-/* E5.1 Section B.2.2, step 7. */
-DUK_LOCAL const duk_uint8_t duk__escape_unescaped_table[16] = {
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x00-0x0f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x10-0x1f */
- DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 1, 1, 0, 1, 1, 1), /* 0x20-0x2f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 0, 0, 0, 0, 0, 0), /* 0x30-0x3f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), /* 0x40-0x4f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 0, 0, 0, 0, 1), /* 0x50-0x5f */
- DUK__MKBITS(0, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), /* 0x60-0x6f */
- DUK__MKBITS(1, 1, 1, 1, 1, 1, 1, 1), DUK__MKBITS(1, 1, 1, 0, 0, 0, 0, 0) /* 0x70-0x7f */
-};
-#endif /* DUK_USE_SECTION_B */
-
-#undef DUK__MKBITS
-
-typedef struct {
- duk_hthread *thr;
- duk_hstring *h_str;
- duk_bufwriter_ctx bw;
- const duk_uint8_t *p;
- const duk_uint8_t *p_start;
- const duk_uint8_t *p_end;
-} duk__transform_context;
-
-typedef void (*duk__transform_callback)(duk__transform_context *tfm_ctx, const void *udata, duk_codepoint_t cp);
-
-/* XXX: refactor and share with other code */
-DUK_LOCAL duk_small_int_t duk__decode_hex_escape(const duk_uint8_t *p, duk_small_int_t n) {
- duk_small_int_t ch;
- duk_small_int_t t = 0;
-
- while (n > 0) {
- t = t * 16;
- ch = (duk_small_int_t) duk_hex_dectab[*p++];
- if (DUK_LIKELY(ch >= 0)) {
- t += ch;
- } else {
- return -1;
- }
- n--;
- }
- return t;
-}
-
-DUK_LOCAL int duk__transform_helper(duk_context *ctx, duk__transform_callback callback, const void *udata) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk__transform_context tfm_ctx_alloc;
- duk__transform_context *tfm_ctx = &tfm_ctx_alloc;
- duk_codepoint_t cp;
-
- tfm_ctx->thr = thr;
-
- tfm_ctx->h_str = duk_to_hstring(ctx, 0);
- DUK_ASSERT(tfm_ctx->h_str != NULL);
-
- DUK_BW_INIT_PUSHBUF(thr, &tfm_ctx->bw, DUK_HSTRING_GET_BYTELEN(tfm_ctx->h_str)); /* initial size guess */
-
- tfm_ctx->p_start = DUK_HSTRING_GET_DATA(tfm_ctx->h_str);
- tfm_ctx->p_end = tfm_ctx->p_start + DUK_HSTRING_GET_BYTELEN(tfm_ctx->h_str);
- tfm_ctx->p = tfm_ctx->p_start;
-
- while (tfm_ctx->p < tfm_ctx->p_end) {
- cp = (duk_codepoint_t) duk_unicode_decode_xutf8_checked(thr, &tfm_ctx->p, tfm_ctx->p_start, tfm_ctx->p_end);
- callback(tfm_ctx, udata, cp);
- }
-
- DUK_BW_COMPACT(thr, &tfm_ctx->bw);
-
- duk_to_string(ctx, -1);
- return 1;
-}
-
-DUK_LOCAL void duk__transform_callback_encode_uri(duk__transform_context *tfm_ctx, const void *udata, duk_codepoint_t cp) {
- duk_uint8_t xutf8_buf[DUK_UNICODE_MAX_XUTF8_LENGTH];
- duk_small_int_t len;
- duk_codepoint_t cp1, cp2;
- duk_small_int_t i, t;
- const duk_uint8_t *unescaped_table = (const duk_uint8_t *) udata;
-
- /* UTF-8 encoded bytes escaped as %xx%xx%xx... -> 3 * nbytes.
- * Codepoint range is restricted so this is a slightly too large
- * but doesn't matter.
- */
- DUK_BW_ENSURE(tfm_ctx->thr, &tfm_ctx->bw, 3 * DUK_UNICODE_MAX_XUTF8_LENGTH);
-
- if (cp < 0) {
- goto uri_error;
- } else if ((cp < 0x80L) && DUK__CHECK_BITMASK(unescaped_table, cp)) {
- DUK_BW_WRITE_RAW_U8(tfm_ctx->thr, &tfm_ctx->bw, (duk_uint8_t) cp);
- return;
- } else if (cp >= 0xdc00L && cp <= 0xdfffL) {
- goto uri_error;
- } else if (cp >= 0xd800L && cp <= 0xdbffL) {
- /* Needs lookahead */
- if (duk_unicode_decode_xutf8(tfm_ctx->thr, &tfm_ctx->p, tfm_ctx->p_start, tfm_ctx->p_end, (duk_ucodepoint_t *) &cp2) == 0) {
- goto uri_error;
- }
- if (!(cp2 >= 0xdc00L && cp2 <= 0xdfffL)) {
- goto uri_error;
- }
- cp1 = cp;
- cp = ((cp1 - 0xd800L) << 10) + (cp2 - 0xdc00L) + 0x10000L;
- } else if (cp > 0x10ffffL) {
- /* Although we can allow non-BMP characters (they'll decode
- * back into surrogate pairs), we don't allow extended UTF-8
- * characters; they would encode to URIs which won't decode
- * back because of strict UTF-8 checks in URI decoding.
- * (However, we could just as well allow them here.)
- */
- goto uri_error;
- } else {
- /* Non-BMP characters within valid UTF-8 range: encode as is.
- * They'll decode back into surrogate pairs if the escaped
- * output is decoded.
- */
- ;
- }
-
- len = duk_unicode_encode_xutf8((duk_ucodepoint_t) cp, xutf8_buf);
- for (i = 0; i < len; i++) {
- t = (int) xutf8_buf[i];
- DUK_BW_WRITE_RAW_U8_3(tfm_ctx->thr,
- &tfm_ctx->bw,
- DUK_ASC_PERCENT,
- (duk_uint8_t) duk_uc_nybbles[t >> 4],
- (duk_uint8_t) duk_uc_nybbles[t & 0x0f]);
- }
-
- return;
-
- uri_error:
- DUK_ERROR(tfm_ctx->thr, DUK_ERR_URI_ERROR, "invalid input");
-}
-
-DUK_LOCAL void duk__transform_callback_decode_uri(duk__transform_context *tfm_ctx, const void *udata, duk_codepoint_t cp) {
- const duk_uint8_t *reserved_table = (const duk_uint8_t *) udata;
- duk_small_uint_t utf8_blen;
- duk_codepoint_t min_cp;
- duk_small_int_t t; /* must be signed */
- duk_small_uint_t i;
-
- /* Maximum write size: XUTF8 path writes max DUK_UNICODE_MAX_XUTF8_LENGTH,
- * percent escape path writes max two times CESU-8 encoded BMP length.
- */
- DUK_BW_ENSURE(tfm_ctx->thr,
- &tfm_ctx->bw,
- (DUK_UNICODE_MAX_XUTF8_LENGTH >= 2 * DUK_UNICODE_MAX_CESU8_BMP_LENGTH ?
- DUK_UNICODE_MAX_XUTF8_LENGTH : DUK_UNICODE_MAX_CESU8_BMP_LENGTH));
-
- if (cp == (duk_codepoint_t) '%') {
- const duk_uint8_t *p = tfm_ctx->p;
- duk_size_t left = (duk_size_t) (tfm_ctx->p_end - p); /* bytes left */
-
- DUK_DDD(DUK_DDDPRINT("percent encoding, left=%ld", (long) left));
-
- if (left < 2) {
- goto uri_error;
- }
-
- t = duk__decode_hex_escape(p, 2);
- DUK_DDD(DUK_DDDPRINT("first byte: %ld", (long) t));
- if (t < 0) {
- goto uri_error;
- }
-
- if (t < 0x80) {
- if (DUK__CHECK_BITMASK(reserved_table, t)) {
- /* decode '%xx' to '%xx' if decoded char in reserved set */
- DUK_ASSERT(tfm_ctx->p - 1 >= tfm_ctx->p_start);
- DUK_BW_WRITE_RAW_U8_3(tfm_ctx->thr,
- &tfm_ctx->bw,
- DUK_ASC_PERCENT,
- p[0],
- p[1]);
- } else {
- DUK_BW_WRITE_RAW_U8(tfm_ctx->thr, &tfm_ctx->bw, (duk_uint8_t) t);
- }
- tfm_ctx->p += 2;
- return;
- }
-
- /* Decode UTF-8 codepoint from a sequence of hex escapes. The
- * first byte of the sequence has been decoded to 't'.
- *
- * Note that UTF-8 validation must be strict according to the
- * specification: E5.1 Section 15.1.3, decode algorithm step
- * 4.d.vii.8. URIError from non-shortest encodings is also
- * specifically noted in the spec.
- */
-
- DUK_ASSERT(t >= 0x80);
- if (t < 0xc0) {
- /* continuation byte */
- goto uri_error;
- } else if (t < 0xe0) {
- /* 110x xxxx; 2 bytes */
- utf8_blen = 2;
- min_cp = 0x80L;
- cp = t & 0x1f;
- } else if (t < 0xf0) {
- /* 1110 xxxx; 3 bytes */
- utf8_blen = 3;
- min_cp = 0x800L;
- cp = t & 0x0f;
- } else if (t < 0xf8) {
- /* 1111 0xxx; 4 bytes */
- utf8_blen = 4;
- min_cp = 0x10000L;
- cp = t & 0x07;
- } else {
- /* extended utf-8 not allowed for URIs */
- goto uri_error;
- }
-
- if (left < utf8_blen * 3 - 1) {
- /* '%xx%xx...%xx', p points to char after first '%' */
- goto uri_error;
- }
-
- p += 3;
- for (i = 1; i < utf8_blen; i++) {
- /* p points to digit part ('%xy', p points to 'x') */
- t = duk__decode_hex_escape(p, 2);
- DUK_DDD(DUK_DDDPRINT("i=%ld utf8_blen=%ld cp=%ld t=0x%02lx",
- (long) i, (long) utf8_blen, (long) cp, (unsigned long) t));
- if (t < 0) {
- goto uri_error;
- }
- if ((t & 0xc0) != 0x80) {
- goto uri_error;
- }
- cp = (cp << 6) + (t & 0x3f);
- p += 3;
- }
- p--; /* p overshoots */
- tfm_ctx->p = p;
-
- DUK_DDD(DUK_DDDPRINT("final cp=%ld, min_cp=%ld", (long) cp, (long) min_cp));
-
- if (cp < min_cp || cp > 0x10ffffL || (cp >= 0xd800L && cp <= 0xdfffL)) {
- goto uri_error;
- }
-
- /* The E5.1 algorithm checks whether or not a decoded codepoint
- * is below 0x80 and perhaps may be in the "reserved" set.
- * This seems pointless because the single byte UTF-8 case is
- * handled separately, and non-shortest encodings are rejected.
- * So, 'cp' cannot be below 0x80 here, and thus cannot be in
- * the reserved set.
- */
-
- /* utf-8 validation ensures these */
- DUK_ASSERT(cp >= 0x80L && cp <= 0x10ffffL);
-
- if (cp >= 0x10000L) {
- cp -= 0x10000L;
- DUK_ASSERT(cp < 0x100000L);
-
- DUK_BW_WRITE_RAW_XUTF8(tfm_ctx->thr, &tfm_ctx->bw, ((cp >> 10) + 0xd800L));
- DUK_BW_WRITE_RAW_XUTF8(tfm_ctx->thr, &tfm_ctx->bw, ((cp & 0x03ffUL) + 0xdc00L));
- } else {
- DUK_BW_WRITE_RAW_XUTF8(tfm_ctx->thr, &tfm_ctx->bw, cp);
- }
- } else {
- DUK_BW_WRITE_RAW_XUTF8(tfm_ctx->thr, &tfm_ctx->bw, cp);
- }
- return;
-
- uri_error:
- DUK_ERROR(tfm_ctx->thr, DUK_ERR_URI_ERROR, "invalid input");
-}
-
-#ifdef DUK_USE_SECTION_B
-DUK_LOCAL void duk__transform_callback_escape(duk__transform_context *tfm_ctx, const void *udata, duk_codepoint_t cp) {
- DUK_UNREF(udata);
-
- DUK_BW_ENSURE(tfm_ctx->thr, &tfm_ctx->bw, 6);
-
- if (cp < 0) {
- goto esc_error;
- } else if ((cp < 0x80L) && DUK__CHECK_BITMASK(duk__escape_unescaped_table, cp)) {
- DUK_BW_WRITE_RAW_U8(tfm_ctx->thr, &tfm_ctx->bw, (duk_uint8_t) cp);
- } else if (cp < 0x100L) {
- DUK_BW_WRITE_RAW_U8_3(tfm_ctx->thr,
- &tfm_ctx->bw,
- (duk_uint8_t) DUK_ASC_PERCENT,
- (duk_uint8_t) duk_uc_nybbles[cp >> 4],
- (duk_uint8_t) duk_uc_nybbles[cp & 0x0f]);
- } else if (cp < 0x10000L) {
- DUK_BW_WRITE_RAW_U8_6(tfm_ctx->thr,
- &tfm_ctx->bw,
- (duk_uint8_t) DUK_ASC_PERCENT,
- (duk_uint8_t) DUK_ASC_LC_U,
- (duk_uint8_t) duk_uc_nybbles[cp >> 12],
- (duk_uint8_t) duk_uc_nybbles[(cp >> 8) & 0x0f],
- (duk_uint8_t) duk_uc_nybbles[(cp >> 4) & 0x0f],
- (duk_uint8_t) duk_uc_nybbles[cp & 0x0f]);
- } else {
- /* Characters outside BMP cannot be escape()'d. We could
- * encode them as surrogate pairs (for codepoints inside
- * valid UTF-8 range, but not extended UTF-8). Because
- * escape() and unescape() are legacy functions, we don't.
- */
- goto esc_error;
- }
-
- return;
-
- esc_error:
- DUK_ERROR_TYPE(tfm_ctx->thr, "invalid input");
-}
-
-DUK_LOCAL void duk__transform_callback_unescape(duk__transform_context *tfm_ctx, const void *udata, duk_codepoint_t cp) {
- duk_small_int_t t;
-
- DUK_UNREF(udata);
-
- if (cp == (duk_codepoint_t) '%') {
- const duk_uint8_t *p = tfm_ctx->p;
- duk_size_t left = (duk_size_t) (tfm_ctx->p_end - p); /* bytes left */
-
- if (left >= 5 && p[0] == 'u' &&
- ((t = duk__decode_hex_escape(p + 1, 4)) >= 0)) {
- cp = (duk_codepoint_t) t;
- tfm_ctx->p += 5;
- } else if (left >= 2 &&
- ((t = duk__decode_hex_escape(p, 2)) >= 0)) {
- cp = (duk_codepoint_t) t;
- tfm_ctx->p += 2;
- }
- }
-
- DUK_BW_WRITE_ENSURE_XUTF8(tfm_ctx->thr, &tfm_ctx->bw, cp);
-}
-#endif /* DUK_USE_SECTION_B */
-
-/*
- * Eval
- *
- * Eval needs to handle both a "direct eval" and an "indirect eval".
- * Direct eval handling needs access to the caller's activation so that its
- * lexical environment can be accessed. A direct eval is only possible from
- * Ecmascript code; an indirect eval call is possible also from C code.
- * When an indirect eval call is made from C code, there may not be a
- * calling activation at all which needs careful handling.
- */
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_eval(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_hstring *h;
- duk_activation *act_caller;
- duk_activation *act_eval;
- duk_activation *act;
- duk_hcompiledfunction *func;
- duk_hobject *outer_lex_env;
- duk_hobject *outer_var_env;
- duk_bool_t this_to_global = 1;
- duk_small_uint_t comp_flags;
- duk_int_t level = -2;
-
- DUK_ASSERT(duk_get_top(ctx) == 1 || duk_get_top(ctx) == 2); /* 2 when called by debugger */
- DUK_ASSERT(thr->callstack_top >= 1); /* at least this function exists */
- DUK_ASSERT(((thr->callstack + thr->callstack_top - 1)->flags & DUK_ACT_FLAG_DIRECT_EVAL) == 0 || /* indirect eval */
- (thr->callstack_top >= 2)); /* if direct eval, calling activation must exist */
-
- /*
- * callstack_top - 1 --> this function
- * callstack_top - 2 --> caller (may not exist)
- *
- * If called directly from C, callstack_top might be 1. If calling
- * activation doesn't exist, call must be indirect.
- */
-
- h = duk_get_hstring(ctx, 0);
- if (!h) {
- return 1; /* return arg as-is */
- }
-
-#if defined(DUK_USE_DEBUGGER_SUPPORT)
- /* NOTE: level is used only by the debugger and should never be present
- * for an Ecmascript eval().
- */
- DUK_ASSERT(level == -2); /* by default, use caller's environment */
- if (duk_get_top(ctx) >= 2 && duk_is_number(ctx, 1)) {
- level = duk_get_int(ctx, 1);
- }
- DUK_ASSERT(level <= -2); /* This is guaranteed by debugger code. */
-#endif
-
- /* [ source ] */
-
- comp_flags = DUK_JS_COMPILE_FLAG_EVAL;
- act_eval = thr->callstack + thr->callstack_top - 1; /* this function */
- if (thr->callstack_top >= (duk_size_t) -level) {
- /* Have a calling activation, check for direct eval (otherwise
- * assume indirect eval.
- */
- act_caller = thr->callstack + thr->callstack_top + level; /* caller */
- if ((act_caller->flags & DUK_ACT_FLAG_STRICT) &&
- (act_eval->flags & DUK_ACT_FLAG_DIRECT_EVAL)) {
- /* Only direct eval inherits strictness from calling code
- * (E5.1 Section 10.1.1).
- */
- comp_flags |= DUK_JS_COMPILE_FLAG_STRICT;
- }
- } else {
- DUK_ASSERT((act_eval->flags & DUK_ACT_FLAG_DIRECT_EVAL) == 0);
- }
- act_caller = NULL; /* avoid dereference after potential callstack realloc */
- act_eval = NULL;
-
- duk_push_hstring_stridx(ctx, DUK_STRIDX_INPUT); /* XXX: copy from caller? */
- duk_js_compile(thr,
- (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h),
- (duk_size_t) DUK_HSTRING_GET_BYTELEN(h),
- comp_flags);
- func = (duk_hcompiledfunction *) duk_get_hobject(ctx, -1);
- DUK_ASSERT(func != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) func));
-
- /* [ source template ] */
-
- /* E5 Section 10.4.2 */
- DUK_ASSERT(thr->callstack_top >= 1);
- act = thr->callstack + thr->callstack_top - 1; /* this function */
- if (act->flags & DUK_ACT_FLAG_DIRECT_EVAL) {
- DUK_ASSERT(thr->callstack_top >= 2);
- act = thr->callstack + thr->callstack_top + level; /* caller */
- if (act->lex_env == NULL) {
- DUK_ASSERT(act->var_env == NULL);
- DUK_DDD(DUK_DDDPRINT("delayed environment initialization"));
-
- /* this may have side effects, so re-lookup act */
- duk_js_init_activation_environment_records_delayed(thr, act);
- act = thr->callstack + thr->callstack_top + level;
- }
- DUK_ASSERT(act->lex_env != NULL);
- DUK_ASSERT(act->var_env != NULL);
-
- this_to_global = 0;
-
- if (DUK_HOBJECT_HAS_STRICT((duk_hobject *) func)) {
- duk_hobject *new_env;
- duk_hobject *act_lex_env;
-
- DUK_DDD(DUK_DDDPRINT("direct eval call to a strict function -> "
- "var_env and lex_env to a fresh env, "
- "this_binding to caller's this_binding"));
-
- act = thr->callstack + thr->callstack_top + level; /* caller */
- act_lex_env = act->lex_env;
- act = NULL; /* invalidated */
-
- (void) duk_push_object_helper_proto(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
- act_lex_env);
- new_env = duk_require_hobject(ctx, -1);
- DUK_ASSERT(new_env != NULL);
- DUK_DDD(DUK_DDDPRINT("new_env allocated: %!iO",
- (duk_heaphdr *) new_env));
-
- outer_lex_env = new_env;
- outer_var_env = new_env;
-
- duk_insert(ctx, 0); /* stash to bottom of value stack to keep new_env reachable for duration of eval */
-
- /* compiler's responsibility */
- DUK_ASSERT(DUK_HOBJECT_HAS_NEWENV((duk_hobject *) func));
- } else {
- DUK_DDD(DUK_DDDPRINT("direct eval call to a non-strict function -> "
- "var_env and lex_env to caller's envs, "
- "this_binding to caller's this_binding"));
-
- outer_lex_env = act->lex_env;
- outer_var_env = act->var_env;
-
- /* compiler's responsibility */
- DUK_ASSERT(!DUK_HOBJECT_HAS_NEWENV((duk_hobject *) func));
- }
- } else {
- DUK_DDD(DUK_DDDPRINT("indirect eval call -> var_env and lex_env to "
- "global object, this_binding to global object"));
-
- this_to_global = 1;
- outer_lex_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
- outer_var_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
- }
- act = NULL;
-
- /* Eval code doesn't need an automatic .prototype object. */
- duk_js_push_closure(thr, func, outer_var_env, outer_lex_env, 0 /*add_auto_proto*/);
-
- /* [ source template closure ] */
-
- if (this_to_global) {
- DUK_ASSERT(thr->builtins[DUK_BIDX_GLOBAL] != NULL);
- duk_push_hobject_bidx(ctx, DUK_BIDX_GLOBAL);
- } else {
- duk_tval *tv;
- DUK_ASSERT(thr->callstack_top >= 2);
- act = thr->callstack + thr->callstack_top + level; /* caller */
- tv = thr->valstack + act->idx_bottom - 1; /* this is just beneath bottom */
- DUK_ASSERT(tv >= thr->valstack);
- duk_push_tval(ctx, tv);
- }
-
- DUK_DDD(DUK_DDDPRINT("eval -> lex_env=%!iO, var_env=%!iO, this_binding=%!T",
- (duk_heaphdr *) outer_lex_env,
- (duk_heaphdr *) outer_var_env,
- duk_get_tval(ctx, -1)));
-
- /* [ source template closure this ] */
-
- duk_call_method(ctx, 0);
-
- /* [ source template result ] */
-
- return 1;
-}
-
-/*
- * Parsing of ints and floats
- */
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_parse_int(duk_context *ctx) {
- duk_int32_t radix;
- duk_small_uint_t s2n_flags;
-
- DUK_ASSERT_TOP(ctx, 2);
- duk_to_string(ctx, 0);
-
- radix = duk_to_int32(ctx, 1);
-
- s2n_flags = DUK_S2N_FLAG_TRIM_WHITE |
- DUK_S2N_FLAG_ALLOW_GARBAGE |
- DUK_S2N_FLAG_ALLOW_PLUS |
- DUK_S2N_FLAG_ALLOW_MINUS |
- DUK_S2N_FLAG_ALLOW_LEADING_ZERO |
- DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT;
-
- /* Specification stripPrefix maps to DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT.
- *
- * Don't autodetect octals (from leading zeroes), require user code to
- * provide an explicit radix 8 for parsing octal. See write-up from Mozilla:
- * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseInt#ECMAScript_5_Removes_Octal_Interpretation
- */
-
- if (radix != 0) {
- if (radix < 2 || radix > 36) {
- goto ret_nan;
- }
- if (radix != 16) {
- s2n_flags &= ~DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT;
- }
- } else {
- radix = 10;
- }
-
- duk_dup(ctx, 0);
- duk_numconv_parse(ctx, radix, s2n_flags);
- return 1;
-
- ret_nan:
- duk_push_nan(ctx);
- return 1;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_parse_float(duk_context *ctx) {
- duk_small_uint_t s2n_flags;
- duk_int32_t radix;
-
- DUK_ASSERT_TOP(ctx, 1);
- duk_to_string(ctx, 0);
-
- radix = 10;
-
- /* XXX: check flags */
- s2n_flags = DUK_S2N_FLAG_TRIM_WHITE |
- DUK_S2N_FLAG_ALLOW_EXP |
- DUK_S2N_FLAG_ALLOW_GARBAGE |
- DUK_S2N_FLAG_ALLOW_PLUS |
- DUK_S2N_FLAG_ALLOW_MINUS |
- DUK_S2N_FLAG_ALLOW_INF |
- DUK_S2N_FLAG_ALLOW_FRAC |
- DUK_S2N_FLAG_ALLOW_NAKED_FRAC |
- DUK_S2N_FLAG_ALLOW_EMPTY_FRAC |
- DUK_S2N_FLAG_ALLOW_LEADING_ZERO;
-
- duk_numconv_parse(ctx, radix, s2n_flags);
- return 1;
-}
-
-/*
- * Number checkers
- */
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_is_nan(duk_context *ctx) {
- duk_double_t d = duk_to_number(ctx, 0);
- duk_push_boolean(ctx, DUK_ISNAN(d));
- return 1;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_is_finite(duk_context *ctx) {
- duk_double_t d = duk_to_number(ctx, 0);
- duk_push_boolean(ctx, DUK_ISFINITE(d));
- return 1;
-}
-
-/*
- * URI handling
- */
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_decode_uri(duk_context *ctx) {
- return duk__transform_helper(ctx, duk__transform_callback_decode_uri, (const void *) duk__decode_uri_reserved_table);
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_decode_uri_component(duk_context *ctx) {
- return duk__transform_helper(ctx, duk__transform_callback_decode_uri, (const void *) duk__decode_uri_component_reserved_table);
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_encode_uri(duk_context *ctx) {
- return duk__transform_helper(ctx, duk__transform_callback_encode_uri, (const void *) duk__encode_uriunescaped_table);
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_encode_uri_component(duk_context *ctx) {
- return duk__transform_helper(ctx, duk__transform_callback_encode_uri, (const void *) duk__encode_uricomponent_unescaped_table);
-}
-
-#ifdef DUK_USE_SECTION_B
-DUK_INTERNAL duk_ret_t duk_bi_global_object_escape(duk_context *ctx) {
- return duk__transform_helper(ctx, duk__transform_callback_escape, (const void *) NULL);
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_unescape(duk_context *ctx) {
- return duk__transform_helper(ctx, duk__transform_callback_unescape, (const void *) NULL);
-}
-#else /* DUK_USE_SECTION_B */
-DUK_INTERNAL duk_ret_t duk_bi_global_object_escape(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_unescape(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
-#endif /* DUK_USE_SECTION_B */
-
-#if defined(DUK_USE_BROWSER_LIKE) && (defined(DUK_USE_FILE_IO) || defined(DUK_USE_DEBUGGER_SUPPORT))
-DUK_INTERNAL duk_ret_t duk_bi_global_object_print_helper(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_int_t magic;
- duk_idx_t nargs;
- const duk_uint8_t *buf;
- duk_size_t sz_buf;
- const char nl = (const char) DUK_ASC_LF;
-#ifndef DUK_USE_PREFER_SIZE
- duk_uint8_t buf_stack[256];
-#endif
-#ifdef DUK_USE_FILE_IO
- duk_file *f_out;
-#endif
-
- DUK_UNREF(thr);
-
- magic = duk_get_current_magic(ctx);
- DUK_UNREF(magic);
-
- nargs = duk_get_top(ctx);
-
- /* If argument count is 1 and first argument is a buffer, write the buffer
- * as raw data into the file without a newline; this allows exact control
- * over stdout/stderr without an additional entrypoint (useful for now).
- *
- * Otherwise current print/alert semantics are to ToString() coerce
- * arguments, join them with a single space, and append a newline.
- */
-
- if (nargs == 1 && duk_is_buffer(ctx, 0)) {
- buf = (const duk_uint8_t *) duk_get_buffer(ctx, 0, &sz_buf);
- DUK_ASSERT(buf != NULL);
- } else if (nargs > 0) {
-#ifdef DUK_USE_PREFER_SIZE
- /* Compact but lots of churn. */
- duk_push_hstring_stridx(thr, DUK_STRIDX_SPACE);
- duk_insert(ctx, 0);
- duk_join(ctx, nargs);
- duk_push_string(thr, "\n");
- duk_concat(ctx, 2);
- buf = (const duk_uint8_t *) duk_get_lstring(ctx, -1, &sz_buf);
- DUK_ASSERT(buf != NULL);
-#else /* DUK_USE_PREFER_SIZE */
- /* Higher footprint, less churn. */
- duk_idx_t i;
- duk_size_t sz_str;
- const duk_uint8_t *p_str;
- duk_uint8_t *p;
-
- sz_buf = (duk_size_t) nargs; /* spaces (nargs - 1) + newline */
- for (i = 0; i < nargs; i++) {
- (void) duk_to_lstring(ctx, i, &sz_str);
- sz_buf += sz_str;
- }
-
- if (sz_buf <= sizeof(buf_stack)) {
- p = (duk_uint8_t *) buf_stack;
- } else {
- p = (duk_uint8_t *) duk_push_fixed_buffer(ctx, sz_buf);
- DUK_ASSERT(p != NULL);
- }
-
- buf = (const duk_uint8_t *) p;
- for (i = 0; i < nargs; i++) {
- p_str = (const duk_uint8_t *) duk_get_lstring(ctx, i, &sz_str);
- DUK_ASSERT(p_str != NULL);
- DUK_MEMCPY((void *) p, (const void *) p_str, sz_str);
- p += sz_str;
- *p++ = (duk_uint8_t) (i == nargs - 1 ? DUK_ASC_LF : DUK_ASC_SPACE);
- }
- DUK_ASSERT((const duk_uint8_t *) p == buf + sz_buf);
-#endif /* DUK_USE_PREFER_SIZE */
- } else {
- buf = (const duk_uint8_t *) &nl;
- sz_buf = 1;
- }
-
- /* 'buf' contains the string to write, 'sz_buf' contains the length
- * (which may be zero).
- */
- DUK_ASSERT(buf != NULL);
-
- if (sz_buf == 0) {
- return 0;
- }
-
-#ifdef DUK_USE_FILE_IO
- f_out = (magic ? DUK_STDERR : DUK_STDOUT);
- DUK_FWRITE((const void *) buf, 1, (size_t) sz_buf, f_out);
- DUK_FFLUSH(f_out);
-#endif
-
-#if defined(DUK_USE_DEBUGGER_SUPPORT) && defined(DUK_USE_DEBUGGER_FWD_PRINTALERT)
- if (DUK_HEAP_IS_DEBUGGER_ATTACHED(thr->heap)) {
- duk_debug_write_notify(thr, magic ? DUK_DBG_CMD_ALERT : DUK_DBG_CMD_PRINT);
- duk_debug_write_string(thr, (const char *) buf, sz_buf);
- duk_debug_write_eom(thr);
- }
-#endif
- return 0;
-}
-#elif defined(DUK_USE_BROWSER_LIKE) /* print provider */
-DUK_INTERNAL duk_ret_t duk_bi_global_object_print_helper(duk_context *ctx) {
- DUK_UNREF(ctx);
- return 0;
-}
-#else /* print provider */
-DUK_INTERNAL duk_ret_t duk_bi_global_object_print_helper(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
-#endif /* print provider */
-
-/*
- * CommonJS require() and modules support
- */
-
-#if defined(DUK_USE_COMMONJS_MODULES)
-DUK_LOCAL void duk__bi_global_resolve_module_id(duk_context *ctx, const char *req_id, const char *mod_id) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_uint8_t buf[DUK_BI_COMMONJS_MODULE_ID_LIMIT];
- duk_uint8_t *p;
- duk_uint8_t *q;
- duk_uint8_t *q_last; /* last component */
- duk_int_t int_rc;
-
- DUK_ASSERT(req_id != NULL);
- /* mod_id may be NULL */
-
- /*
- * A few notes on the algorithm:
- *
- * - Terms are not allowed to begin with a period unless the term
- * is either '.' or '..'. This simplifies implementation (and
- * is within CommonJS modules specification).
- *
- * - There are few output bound checks here. This is on purpose:
- * the resolution input is length checked and the output is never
- * longer than the input. The resolved output is written directly
- * over the input because it's never longer than the input at any
- * point in the algorithm.
- *
- * - Non-ASCII characters are processed as individual bytes and
- * need no special treatment. However, U+0000 terminates the
- * algorithm; this is not an issue because U+0000 is not a
- * desirable term character anyway.
- */
-
- /*
- * Set up the resolution input which is the requested ID directly
- * (if absolute or no current module path) or with current module
- * ID prepended (if relative and current module path exists).
- *
- * Suppose current module is 'foo/bar' and relative path is './quux'.
- * The 'bar' component must be replaced so the initial input here is
- * 'foo/bar/.././quux'.
- */
-
- if (mod_id != NULL && req_id[0] == '.') {
- int_rc = DUK_SNPRINTF((char *) buf, sizeof(buf), "%s/../%s", mod_id, req_id);
- } else {
- int_rc = DUK_SNPRINTF((char *) buf, sizeof(buf), "%s", req_id);
- }
- if (int_rc >= (duk_int_t) sizeof(buf) || int_rc < 0) {
- /* Potentially truncated, NUL not guaranteed in any case.
- * The (int_rc < 0) case should not occur in practice.
- */
- DUK_DD(DUK_DDPRINT("resolve error: temporary working module ID doesn't fit into resolve buffer"));
- goto resolve_error;
- }
- DUK_ASSERT(DUK_STRLEN((const char *) buf) < sizeof(buf)); /* at most sizeof(buf) - 1 */
-
- DUK_DDD(DUK_DDDPRINT("input module id: '%s'", (const char *) buf));
-
- /*
- * Resolution loop. At the top of the loop we're expecting a valid
- * term: '.', '..', or a non-empty identifier not starting with a period.
- */
-
- p = buf;
- q = buf;
- for (;;) {
- duk_uint_fast8_t c;
-
- /* Here 'p' always points to the start of a term.
- *
- * We can also unconditionally reset q_last here: if this is
- * the last (non-empty) term q_last will have the right value
- * on loop exit.
- */
-
- DUK_ASSERT(p >= q); /* output is never longer than input during resolution */
-
- DUK_DDD(DUK_DDDPRINT("resolve loop top: p -> '%s', q=%p, buf=%p",
- (const char *) p, (void *) q, (void *) buf));
-
- q_last = q;
-
- c = *p++;
- if (DUK_UNLIKELY(c == 0)) {
- DUK_DD(DUK_DDPRINT("resolve error: requested ID must end with a non-empty term"));
- goto resolve_error;
- } else if (DUK_UNLIKELY(c == '.')) {
- c = *p++;
- if (c == '/') {
- /* Term was '.' and is eaten entirely (including dup slashes). */
- goto eat_dup_slashes;
- }
- if (c == '.' && *p == '/') {
- /* Term was '..', backtrack resolved name by one component.
- * q[-1] = previous slash (or beyond start of buffer)
- * q[-2] = last char of previous component (or beyond start of buffer)
- */
- p++; /* eat (first) input slash */
- DUK_ASSERT(q >= buf);
- if (q == buf) {
- DUK_DD(DUK_DDPRINT("resolve error: term was '..' but nothing to backtrack"));
- goto resolve_error;
- }
- DUK_ASSERT(*(q - 1) == '/');
- q--; /* backtrack to last output slash (dups already eliminated) */
- for (;;) {
- /* Backtrack to previous slash or start of buffer. */
- DUK_ASSERT(q >= buf);
- if (q == buf) {
- break;
- }
- if (*(q - 1) == '/') {
- break;
- }
- q--;
- }
- goto eat_dup_slashes;
- }
- DUK_DD(DUK_DDPRINT("resolve error: term begins with '.' but is not '.' or '..' (not allowed now)"));
- goto resolve_error;
- } else if (DUK_UNLIKELY(c == '/')) {
- /* e.g. require('/foo'), empty terms not allowed */
- DUK_DD(DUK_DDPRINT("resolve error: empty term (not allowed now)"));
- goto resolve_error;
- } else {
- for (;;) {
- /* Copy term name until end or '/'. */
- *q++ = c;
- c = *p++;
- if (DUK_UNLIKELY(c == 0)) {
- /* This was the last term, and q_last was
- * updated to match this term at loop top.
- */
- goto loop_done;
- } else if (DUK_UNLIKELY(c == '/')) {
- *q++ = '/';
- break;
- } else {
- /* write on next loop */
- }
- }
- }
-
- eat_dup_slashes:
- for (;;) {
- /* eat dup slashes */
- c = *p;
- if (DUK_LIKELY(c != '/')) {
- break;
- }
- p++;
- }
- }
- loop_done:
- /* Output #1: resolved absolute name */
- DUK_ASSERT(q >= buf);
- duk_push_lstring(ctx, (const char *) buf, (size_t) (q - buf));
-
- /* Output #2: last component name */
- DUK_ASSERT(q >= q_last);
- DUK_ASSERT(q_last >= buf);
- duk_push_lstring(ctx, (const char *) q_last, (size_t) (q - q_last));
-
- DUK_DD(DUK_DDPRINT("after resolving module name: buf=%p, q_last=%p, q=%p",
- (void *) buf, (void *) q_last, (void *) q));
- return;
-
- resolve_error:
- DUK_ERROR_FMT1(thr, DUK_ERR_TYPE_ERROR, "cannot resolve module id: %s", (const char *) req_id);
-}
-#endif /* DUK_USE_COMMONJS_MODULES */
-
-#if defined(DUK_USE_COMMONJS_MODULES)
-/* Stack indices for better readability */
-#define DUK__IDX_REQUESTED_ID 0 /* Module id requested */
-#define DUK__IDX_REQUIRE 1 /* Current require() function */
-#define DUK__IDX_REQUIRE_ID 2 /* The base ID of the current require() function, resolution base */
-#define DUK__IDX_RESOLVED_ID 3 /* Resolved, normalized absolute module ID */
-#define DUK__IDX_LASTCOMP 4 /* Last component name in resolved path */
-#define DUK__IDX_DUKTAPE 5 /* Duktape object */
-#define DUK__IDX_MODLOADED 6 /* Duktape.modLoaded[] module cache */
-#define DUK__IDX_UNDEFINED 7 /* 'undefined', artifact of lookup */
-#define DUK__IDX_FRESH_REQUIRE 8 /* New require() function for module, updated resolution base */
-#define DUK__IDX_EXPORTS 9 /* Default exports table */
-#define DUK__IDX_MODULE 10 /* Module object containing module.exports, etc */
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_require(duk_context *ctx) {
- const char *str_req_id; /* requested identifier */
- const char *str_mod_id; /* require.id of current module */
- duk_int_t pcall_rc;
-
- /* NOTE: we try to minimize code size by avoiding unnecessary pops,
- * so the stack looks a bit cluttered in this function. DUK_ASSERT_TOP()
- * assertions are used to ensure stack configuration is correct at each
- * step.
- */
-
- /*
- * Resolve module identifier into canonical absolute form.
- */
-
- str_req_id = duk_require_string(ctx, DUK__IDX_REQUESTED_ID);
- duk_push_current_function(ctx);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_ID);
- str_mod_id = duk_get_string(ctx, DUK__IDX_REQUIRE_ID); /* ignore non-strings */
- DUK_DDD(DUK_DDDPRINT("resolve module id: requested=%!T, currentmodule=%!T",
- duk_get_tval(ctx, DUK__IDX_REQUESTED_ID),
- duk_get_tval(ctx, DUK__IDX_REQUIRE_ID)));
- duk__bi_global_resolve_module_id(ctx, str_req_id, str_mod_id);
- str_req_id = NULL;
- str_mod_id = NULL;
- DUK_DDD(DUK_DDDPRINT("resolved module id: requested=%!T, currentmodule=%!T, result=%!T, lastcomp=%!T",
- duk_get_tval(ctx, DUK__IDX_REQUESTED_ID),
- duk_get_tval(ctx, DUK__IDX_REQUIRE_ID),
- duk_get_tval(ctx, DUK__IDX_RESOLVED_ID),
- duk_get_tval(ctx, DUK__IDX_LASTCOMP)));
-
- /* [ requested_id require require.id resolved_id last_comp ] */
- DUK_ASSERT_TOP(ctx, DUK__IDX_LASTCOMP + 1);
-
- /*
- * Cached module check.
- *
- * If module has been loaded or its loading has already begun without
- * finishing, return the same cached value ('exports'). The value is
- * registered when module load starts so that circular references can
- * be supported to some extent.
- */
-
- duk_push_hobject_bidx(ctx, DUK_BIDX_DUKTAPE);
- duk_get_prop_stridx(ctx, DUK__IDX_DUKTAPE, DUK_STRIDX_MOD_LOADED); /* Duktape.modLoaded */
- (void) duk_require_hobject(ctx, DUK__IDX_MODLOADED);
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODLOADED + 1);
-
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- if (duk_get_prop(ctx, DUK__IDX_MODLOADED)) {
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded Duktape.modLoaded[id] ] */
- DUK_DD(DUK_DDPRINT("module already loaded: %!T",
- duk_get_tval(ctx, DUK__IDX_RESOLVED_ID)));
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_EXPORTS); /* return module.exports */
- return 1;
- }
- DUK_ASSERT_TOP(ctx, DUK__IDX_UNDEFINED + 1);
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined ] */
-
- /*
- * Module not loaded (and loading not started previously).
- *
- * Create a new require() function with 'id' set to resolved ID
- * of module being loaded. Also create 'exports' and 'module'
- * tables but don't register exports to the loaded table yet.
- * We don't want to do that unless the user module search callbacks
- * succeeds in finding the module.
- */
-
- DUK_D(DUK_DPRINT("loading module %!T, resolution base %!T, requested ID %!T -> resolved ID %!T, last component %!T",
- duk_get_tval(ctx, DUK__IDX_RESOLVED_ID),
- duk_get_tval(ctx, DUK__IDX_REQUIRE_ID),
- duk_get_tval(ctx, DUK__IDX_REQUESTED_ID),
- duk_get_tval(ctx, DUK__IDX_RESOLVED_ID),
- duk_get_tval(ctx, DUK__IDX_LASTCOMP)));
-
- /* Fresh require: require.id is left configurable (but not writable)
- * so that is not easy to accidentally tweak it, but it can still be
- * done with Object.defineProperty().
- *
- * XXX: require.id could also be just made non-configurable, as there
- * is no practical reason to touch it.
- */
- duk_push_c_function(ctx, duk_bi_global_object_require, 1 /*nargs*/);
- duk_push_hstring_stridx(ctx, DUK_STRIDX_REQUIRE);
- duk_xdef_prop_stridx(ctx, DUK__IDX_FRESH_REQUIRE, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_NONE);
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- duk_xdef_prop_stridx(ctx, DUK__IDX_FRESH_REQUIRE, DUK_STRIDX_ID, DUK_PROPDESC_FLAGS_C); /* a fresh require() with require.id = resolved target module id */
-
- /* Module table:
- * - module.exports: initial exports table (may be replaced by user)
- * - module.id is non-writable and non-configurable, as the CommonJS
- * spec suggests this if possible
- * - module.filename: not set, defaults to resolved ID if not explicitly
- * set by modSearch() (note capitalization, not .fileName, matches Node.js)
- * - module.name: not set, defaults to last component of resolved ID if
- * not explicitly set by modSearch()
- */
- duk_push_object(ctx); /* exports */
- duk_push_object(ctx); /* module */
- duk_dup(ctx, DUK__IDX_EXPORTS);
- duk_xdef_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_EXPORTS, DUK_PROPDESC_FLAGS_WC); /* module.exports = exports */
- duk_dup(ctx, DUK__IDX_RESOLVED_ID); /* resolved id: require(id) must return this same module */
- duk_xdef_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_ID, DUK_PROPDESC_FLAGS_NONE); /* module.id = resolved_id */
- duk_compact(ctx, DUK__IDX_MODULE); /* module table remains registered to modLoaded, minimize its size */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 1);
-
- DUK_DD(DUK_DDPRINT("module table created: %!T", duk_get_tval(ctx, DUK__IDX_MODULE)));
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module ] */
-
- /* Register the module table early to modLoaded[] so that we can
- * support circular references even in modSearch(). If an error
- * is thrown, we'll delete the reference.
- */
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- duk_dup(ctx, DUK__IDX_MODULE);
- duk_put_prop(ctx, DUK__IDX_MODLOADED); /* Duktape.modLoaded[resolved_id] = module */
-
- /*
- * Call user provided module search function and build the wrapped
- * module source code (if necessary). The module search function
- * can be used to implement pure Ecmacsript, pure C, and mixed
- * Ecmascript/C modules.
- *
- * The module search function can operate on the exports table directly
- * (e.g. DLL code can register values to it). It can also return a
- * string which is interpreted as module source code (if a non-string
- * is returned the module is assumed to be a pure C one). If a module
- * cannot be found, an error must be thrown by the user callback.
- *
- * Because Duktape.modLoaded[] already contains the module being
- * loaded, circular references for C modules should also work
- * (although expected to be quite rare).
- */
-
- duk_push_string(ctx, "(function(require,exports,module){");
-
- /* Duktape.modSearch(resolved_id, fresh_require, exports, module). */
- duk_get_prop_stridx(ctx, DUK__IDX_DUKTAPE, DUK_STRIDX_MOD_SEARCH); /* Duktape.modSearch */
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- duk_dup(ctx, DUK__IDX_FRESH_REQUIRE);
- duk_dup(ctx, DUK__IDX_EXPORTS);
- duk_dup(ctx, DUK__IDX_MODULE); /* [ ... Duktape.modSearch resolved_id last_comp fresh_require exports module ] */
- pcall_rc = duk_pcall(ctx, 4 /*nargs*/); /* -> [ ... source ] */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 3);
-
- if (pcall_rc != DUK_EXEC_SUCCESS) {
- /* Delete entry in Duktape.modLoaded[] and rethrow. */
- goto delete_rethrow;
- }
-
- /* If user callback did not return source code, module loading
- * is finished (user callback initialized exports table directly).
- */
- if (!duk_is_string(ctx, -1)) {
- /* User callback did not return source code, so module loading
- * is finished: just update modLoaded with final module.exports
- * and we're done.
- */
- goto return_exports;
- }
-
- /* Finish the wrapped module source. Force module.filename as the
- * function .fileName so it gets set for functions defined within a
- * module. This also ensures loggers created within the module get
- * the module ID (or overridden filename) as their default logger name.
- * (Note capitalization: .filename matches Node.js while .fileName is
- * used elsewhere in Duktape.)
- */
- duk_push_string(ctx, "})");
- duk_concat(ctx, 3);
- if (!duk_get_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_FILENAME)) {
- /* module.filename for .fileName, default to resolved ID if
- * not present.
- */
- duk_pop(ctx);
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- }
- duk_eval_raw(ctx, NULL, 0, DUK_COMPILE_EVAL);
-
- /* Module has now evaluated to a wrapped module function. Force its
- * .name to match module.name (defaults to last component of resolved
- * ID) so that it is shown in stack traces too. Note that we must not
- * introduce an actual name binding into the function scope (which is
- * usually the case with a named function) because it would affect the
- * scope seen by the module and shadow accesses to globals of the same name.
- * This is now done by compiling the function as anonymous and then forcing
- * its .name without setting a "has name binding" flag.
- */
-
- duk_push_hstring_stridx(ctx, DUK_STRIDX_NAME);
- if (!duk_get_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_NAME)) {
- /* module.name for .name, default to last component if
- * not present.
- */
- duk_pop(ctx);
- duk_dup(ctx, DUK__IDX_LASTCOMP);
- }
- duk_def_prop(ctx, -3, DUK_DEFPROP_HAVE_VALUE | DUK_DEFPROP_FORCE);
-
- /*
- * Call the wrapped module function.
- *
- * Use a protected call so that we can update Duktape.modLoaded[resolved_id]
- * even if the module throws an error.
- */
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module mod_func ] */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 2);
-
- duk_dup(ctx, DUK__IDX_EXPORTS); /* exports (this binding) */
- duk_dup(ctx, DUK__IDX_FRESH_REQUIRE); /* fresh require (argument) */
- duk_get_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_EXPORTS); /* relookup exports from module.exports in case it was changed by modSearch */
- duk_dup(ctx, DUK__IDX_MODULE); /* module (argument) */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 6);
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module mod_func exports fresh_require exports module ] */
-
- pcall_rc = duk_pcall_method(ctx, 3 /*nargs*/);
- if (pcall_rc != DUK_EXEC_SUCCESS) {
- /* Module loading failed. Node.js will forget the module
- * registration so that another require() will try to load
- * the module again. Mimic that behavior.
- */
- goto delete_rethrow;
- }
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module result(ignored) ] */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 2);
-
- /* fall through */
-
- return_exports:
- duk_get_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_EXPORTS);
- duk_compact(ctx, -1); /* compact the exports table */
- return 1; /* return module.exports */
-
- delete_rethrow:
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- duk_del_prop(ctx, DUK__IDX_MODLOADED); /* delete Duktape.modLoaded[resolved_id] */
- duk_throw(ctx); /* rethrow original error */
- return 0; /* not reachable */
-}
-
-#undef DUK__IDX_REQUESTED_ID
-#undef DUK__IDX_REQUIRE
-#undef DUK__IDX_REQUIRE_ID
-#undef DUK__IDX_RESOLVED_ID
-#undef DUK__IDX_LASTCOMP
-#undef DUK__IDX_DUKTAPE
-#undef DUK__IDX_MODLOADED
-#undef DUK__IDX_UNDEFINED
-#undef DUK__IDX_FRESH_REQUIRE
-#undef DUK__IDX_EXPORTS
-#undef DUK__IDX_MODULE
-#else
-DUK_INTERNAL duk_ret_t duk_bi_global_object_require(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
-#endif /* DUK_USE_COMMONJS_MODULES */