diff options
Diffstat (limited to 'src/civetweb/src/third_party/duktape-1.5.2/src-separate/duk_bi_boolean.c')
-rw-r--r-- | src/civetweb/src/third_party/duktape-1.5.2/src-separate/duk_bi_boolean.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/civetweb/src/third_party/duktape-1.5.2/src-separate/duk_bi_boolean.c b/src/civetweb/src/third_party/duktape-1.5.2/src-separate/duk_bi_boolean.c new file mode 100644 index 000000000..5acea6d8d --- /dev/null +++ b/src/civetweb/src/third_party/duktape-1.5.2/src-separate/duk_bi_boolean.c @@ -0,0 +1,68 @@ +/* + * Boolean built-ins + */ + +#include "duk_internal.h" + +/* Shared helper to provide toString() and valueOf(). Checks 'this', gets + * the primitive value to stack top, and optionally coerces with ToString(). + */ +DUK_INTERNAL duk_ret_t duk_bi_boolean_prototype_tostring_shared(duk_context *ctx) { + duk_tval *tv; + duk_hobject *h; + duk_small_int_t coerce_tostring = duk_get_current_magic(ctx); + + /* XXX: there is room to use a shared helper here, many built-ins + * check the 'this' type, and if it's an object, check its class, + * then get its internal value, etc. + */ + + duk_push_this(ctx); + tv = duk_get_tval(ctx, -1); + DUK_ASSERT(tv != NULL); + + if (DUK_TVAL_IS_BOOLEAN(tv)) { + goto type_ok; + } else if (DUK_TVAL_IS_OBJECT(tv)) { + h = DUK_TVAL_GET_OBJECT(tv); + DUK_ASSERT(h != NULL); + + if (DUK_HOBJECT_GET_CLASS_NUMBER(h) == DUK_HOBJECT_CLASS_BOOLEAN) { + duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VALUE); + DUK_ASSERT(duk_is_boolean(ctx, -1)); + goto type_ok; + } + } + + return DUK_RET_TYPE_ERROR; + + type_ok: + if (coerce_tostring) { + duk_to_string(ctx, -1); + } + return 1; +} + +DUK_INTERNAL duk_ret_t duk_bi_boolean_constructor(duk_context *ctx) { + duk_hthread *thr = (duk_hthread *) ctx; + duk_hobject *h_this; + + DUK_UNREF(thr); + + duk_to_boolean(ctx, 0); + + if (duk_is_constructor_call(ctx)) { + /* XXX: helper; rely on Boolean.prototype as being non-writable, non-configurable */ + duk_push_this(ctx); + h_this = duk_get_hobject(ctx, -1); + DUK_ASSERT(h_this != NULL); + DUK_ASSERT(DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_this) == thr->builtins[DUK_BIDX_BOOLEAN_PROTOTYPE]); + + DUK_HOBJECT_SET_CLASS_NUMBER(h_this, DUK_HOBJECT_CLASS_BOOLEAN); + + duk_dup(ctx, 0); /* -> [ val obj val ] */ + duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE); /* XXX: proper flags? */ + } /* unbalanced stack */ + + return 1; +} |