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Implement tagged template literals (#3456)

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Missing features: snapshot support

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-12-19 19:10:45 +01:00
committed by GitHub
parent 7bfbc701d8
commit 9596a7e1d6
28 changed files with 1229 additions and 314 deletions
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jerry-core/ecma/base/ecma-gc.c
+38 -10
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@@ -20,6 +20,7 @@
#include "ecma-alloc.h"
#include "ecma-array-object.h"
#include "ecma-container-object.h"
#include "ecma-function-object.h"
#include "ecma-globals.h"
#include "ecma-gc.h"
#include "ecma-helpers.h"
@@ -362,6 +363,22 @@ ecma_gc_mark_container_object (ecma_object_t *object_p) /**< object */
#if ENABLED (JERRY_ES2015)
/**
* Mark tagged template literals of the compiled code.
*/
static void
ecma_gc_mark_tagged_template_literals (const ecma_compiled_code_t *byte_code_p)
{
JERRY_ASSERT (byte_code_p->status_flags & CBC_CODE_FLAG_HAS_TAGGED_LITERALS);
ecma_collection_t *collection_p = ecma_compiled_code_get_tagged_template_collection (byte_code_p);
for (uint32_t i = 0; i < collection_p->item_count; i++)
{
ecma_gc_set_object_visited (ecma_get_object_from_value (collection_p->buffer_p[i]));
}
} /* ecma_gc_mark_tagged_template_literals */
/**
* Mark objects referenced by inactive generator functions, async functions, etc.
*/
@@ -602,9 +619,17 @@ ecma_gc_mark (ecma_object_t *object_p) /**< object to mark from */
if (!ecma_get_object_is_builtin (object_p))
{
ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) object_p;
ecma_gc_set_object_visited (ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t,
ext_func_p->u.function.scope_cp));
#if ENABLED (JERRY_ES2015)
const ecma_compiled_code_t *byte_code_p = ecma_op_function_get_compiled_code (ext_func_p);
if (byte_code_p->status_flags & CBC_CODE_FLAG_HAS_TAGGED_LITERALS)
{
ecma_gc_mark_tagged_template_literals (byte_code_p);
}
#endif /* ENABLED (JERRY_ES2015) */
}
break;
}
@@ -620,6 +645,13 @@ ecma_gc_mark (ecma_object_t *object_p) /**< object to mark from */
{
ecma_gc_set_object_visited (ecma_get_object_from_value (arrow_func_p->this_binding));
}
const ecma_compiled_code_t *byte_code_p = ecma_op_arrow_function_get_compiled_code (arrow_func_p);
if (byte_code_p->status_flags & CBC_CODE_FLAG_HAS_TAGGED_LITERALS)
{
ecma_gc_mark_tagged_template_literals (byte_code_p);
}
break;
}
#endif /* ENABLED (JERRY_ES2015) */
@@ -1133,16 +1165,15 @@ ecma_gc_free_object (ecma_object_t *object_p) /**< object to free */
#if ENABLED (JERRY_SNAPSHOT_EXEC)
if (ext_func_p->u.function.bytecode_cp != ECMA_NULL_POINTER)
{
#endif /* ENABLED (JERRY_SNAPSHOT_EXEC) */
ecma_bytecode_deref (ECMA_GET_INTERNAL_VALUE_POINTER (ecma_compiled_code_t,
ext_func_p->u.function.bytecode_cp));
#if ENABLED (JERRY_SNAPSHOT_EXEC)
}
else
{
ext_object_size = sizeof (ecma_static_function_t);
}
#else /* !ENABLED (JERRY_SNAPSHOT_EXEC) */
ecma_bytecode_deref (ECMA_GET_INTERNAL_VALUE_POINTER (ecma_compiled_code_t,
ext_func_p->u.function.bytecode_cp));
#endif /* ENABLED (JERRY_SNAPSHOT_EXEC) */
break;
}
@@ -1156,18 +1187,15 @@ ecma_gc_free_object (ecma_object_t *object_p) /**< object to free */
#if ENABLED (JERRY_SNAPSHOT_EXEC)
if (arrow_func_p->bytecode_cp != ECMA_NULL_POINTER)
{
ecma_bytecode_deref (ECMA_GET_NON_NULL_POINTER (ecma_compiled_code_t,
arrow_func_p->bytecode_cp));
#endif /* ENABLED (JERRY_SNAPSHOT_EXEC) */
ecma_bytecode_deref (ECMA_GET_NON_NULL_POINTER (ecma_compiled_code_t, arrow_func_p->bytecode_cp));
ext_object_size = sizeof (ecma_arrow_function_t);
#if ENABLED (JERRY_SNAPSHOT_EXEC)
}
else
{
ext_object_size = sizeof (ecma_static_arrow_function_t);
}
#else /* !ENABLED (JERRY_SNAPSHOT_EXEC) */
ecma_bytecode_deref (ECMA_GET_NON_NULL_POINTER (ecma_compiled_code_t,
arrow_func_p->bytecode_cp));
ext_object_size = sizeof (ecma_arrow_function_t);
#endif /* ENABLED (JERRY_SNAPSHOT_EXEC) */
break;
}