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Improve line info construction (#4718)

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- Simplify small encoding
- Better line info for some corner cases

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-07-16 16:08:38 +02:00
committed by GitHub
parent d5a7839632
commit 252d68936f
7 changed files with 61 additions and 64 deletions
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jerry-core/parser/js/js-parser.c
+15 -6
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@@ -650,10 +650,7 @@ parser_post_processing (parser_context_t *context_p) /**< context */
#endif /* JERRY_ESNEXT */
#if JERRY_LINE_INFO
if (context_p->line_info.first_page_p == NULL)
{
parser_line_info_append (context_p, context_p->token.line, context_p->token.column);
}
JERRY_ASSERT (context_p->line_info.first_page_p != NULL);
#endif /* JERRY_LINE_INFO */
JERRY_ASSERT (context_p->stack_depth == 0);
@@ -2484,6 +2481,10 @@ parser_parse_arrow_function (parser_context_t *context_p, /**< context */
parser_raise_error (context_p, PARSER_ERR_NON_STRICT_ARG_DEFINITION);
}
#if JERRY_LINE_INFO
parser_line_info_append (context_p, context_p->token.line, context_p->token.column);
#endif /* JERRY_LINE_INFO */
parser_parse_expression (context_p, PARSE_EXPR_NO_COMMA);
if (context_p->last_cbc_opcode == CBC_PUSH_LITERAL)
@@ -2600,12 +2601,13 @@ parser_parse_class_fields (parser_context_t *context_p) /**< context */
scanner_seek (context_p);
}
context_p->source_end_p = range.source_end_p;
lexer_next_token (context_p);
#if JERRY_LINE_INFO
parser_line_info_append (context_p, context_p->token.line, context_p->token.column);
#endif /* JERRY_LINE_INFO */
context_p->source_end_p = range.source_end_p;
lexer_next_token (context_p);
parser_parse_expression (context_p, PARSE_EXPR_NO_COMMA);
if (context_p->token.type != LEXER_EOS)
@@ -2657,6 +2659,13 @@ parser_parse_class_fields (parser_context_t *context_p) /**< context */
context_p->source_end_p = source_end_p;
scanner_set_location (context_p, &end_location);
#if JERRY_LINE_INFO
if (context_p->line_info.first_page_p == NULL)
{
parser_line_info_append (context_p, context_p->token.line, context_p->token.column);
}
#endif /* JERRY_LINE_INFO */
compiled_code_p = parser_post_processing (context_p);
#if JERRY_PARSER_DUMP_BYTE_CODE