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Create a new file for scanner operations. (#3475)

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Compared to utils, the functions here scan the input (e.g. uses lexer_next_token).

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-01-06 11:05:39 +01:00
committed by Robert Fancsik
parent 300570381f
commit fa2ddb2466
4 changed files with 544 additions and 488 deletions
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jerry-core/parser/js/js-scanner-util.c
-41
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@@ -1008,47 +1008,6 @@ scanner_filter_arguments (parser_context_t *context_p, /**< context */
scanner_free (literal_pool_p, sizeof (scanner_literal_pool_t));
} /* scanner_filter_arguments */
/**
* Check directives before a source block.
*/
void
scanner_check_directives (parser_context_t *context_p, /**< context */
scanner_context_t *scanner_context_p) /**< scanner context */
{
scanner_context_p->mode = SCAN_MODE_STATEMENT_OR_TERMINATOR;
while (context_p->token.type == LEXER_LITERAL
&& context_p->token.lit_location.type == LEXER_STRING_LITERAL)
{
bool is_use_strict = false;
if (lexer_string_is_use_strict (context_p))
{
is_use_strict = true;
}
lexer_next_token (context_p);
if (!lexer_string_is_directive (context_p))
{
/* The string is part of an expression statement. */
scanner_context_p->mode = SCAN_MODE_POST_PRIMARY_EXPRESSION;
break;
}
if (is_use_strict)
{
context_p->status_flags |= PARSER_IS_STRICT;
scanner_context_p->active_literal_pool_p->status_flags |= SCANNER_LITERAL_POOL_IS_STRICT;
}
if (context_p->token.type == LEXER_SEMICOLON)
{
lexer_next_token (context_p);
}
}
} /* scanner_check_directives */
/**
* Add any literal to the specified literal pool.
*