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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/parser/js/js-scanner.c
+13 -1
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@@ -613,6 +613,17 @@ scanner_scan_post_primary_expression (parser_context_t *context_p, /**< context
scanner_context_p->mode = SCAN_MODE_PRIMARY_EXPRESSION;
return true;
}
#if ENABLED (JERRY_ES2015)
case LEXER_TEMPLATE_LITERAL:
{
if (JERRY_UNLIKELY (context_p->source_p[-1] != LIT_CHAR_GRAVE_ACCENT))
{
scanner_context_p->mode = SCAN_MODE_PRIMARY_EXPRESSION;
parser_stack_push_uint8 (context_p, SCAN_STACK_TAGGED_TEMPLATE_LITERAL);
}
return true;
}
#endif /* ENABLED (JERRY_ES2015) */
case LEXER_LEFT_SQUARE:
{
parser_stack_push_uint8 (context_p, SCAN_STACK_PROPERTY_ACCESSOR);
@@ -1268,6 +1279,7 @@ scanner_scan_primary_expression_end (parser_context_t *context_p, /**< context *
return SCAN_KEEP_TOKEN;
}
case SCAN_STACK_TEMPLATE_STRING:
case SCAN_STACK_TAGGED_TEMPLATE_LITERAL:
{
if (type != LEXER_RIGHT_BRACE)
{
@@ -1276,7 +1288,7 @@ scanner_scan_primary_expression_end (parser_context_t *context_p, /**< context *
context_p->source_p--;
context_p->column--;
lexer_parse_string (context_p);
lexer_parse_string (context_p, LEXER_STRING_NO_OPTS);
if (context_p->source_p[-1] != LIT_CHAR_GRAVE_ACCENT)
{