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Rework storing the line/column/bytecode info (#4707)

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This information is stored in a separate memory block instead
of being part of the byte code. Snapshot does not supported.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-07-15 13:45:10 +02:00
committed by GitHub
parent 4be05a74eb
commit 998e49a969
22 changed files with 1218 additions and 201 deletions
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jerry-core/vm/vm-utils.c
+24 -4
View File
@@ -15,6 +15,7 @@
#include "ecma-array-object.h"
#include "ecma-helpers.h"
#include "ecma-line-info.h"
#include "jcontext.h"
#include "lit-char-helpers.h"
#include "vm.h"
@@ -75,7 +76,8 @@ vm_get_backtrace (uint32_t max_depth) /**< maximum backtrace depth, 0 = unlimite
while (context_p != NULL)
{
ecma_value_t resource_name = ecma_get_resource_name (context_p->shared_p->bytecode_header_p);
const ecma_compiled_code_t *bytecode_header_p = context_p->shared_p->bytecode_header_p;
ecma_value_t resource_name = ecma_get_resource_name (bytecode_header_p);
ecma_string_t *str_p = ecma_get_string_from_value (resource_name);
ecma_stringbuilder_t builder = ecma_stringbuilder_create ();
@@ -89,9 +91,27 @@ vm_get_backtrace (uint32_t max_depth) /**< maximum backtrace depth, 0 = unlimite
ecma_stringbuilder_append_byte (&builder, LIT_CHAR_COLON);
}
ecma_string_t *line_str_p = ecma_new_ecma_string_from_uint32 (context_p->current_line);
ecma_stringbuilder_append (&builder, line_str_p);
ecma_deref_ecma_string (line_str_p);
if (bytecode_header_p->status_flags & CBC_CODE_FLAGS_HAS_LINE_INFO)
{
jerry_backtrace_location_t location;
ecma_line_info_get (ecma_compiled_code_get_line_info (bytecode_header_p),
(uint32_t) (context_p->byte_code_p - context_p->byte_code_start_p),
&location);
ecma_string_t *line_str_p = ecma_new_ecma_string_from_uint32 (location.line);
ecma_stringbuilder_append (&builder, line_str_p);
ecma_deref_ecma_string (line_str_p);
ecma_stringbuilder_append_byte (&builder, LIT_CHAR_COLON);
line_str_p = ecma_new_ecma_string_from_uint32 (location.column);
ecma_stringbuilder_append (&builder, line_str_p);
ecma_deref_ecma_string (line_str_p);
}
else
{
ecma_stringbuilder_append_raw (&builder, (const lit_utf8_byte_t *)"1:1", 3);
}
ecma_string_t *builder_str_p = ecma_stringbuilder_finalize (&builder);
ecma_fast_array_set_property (array_p, index, ecma_make_string_value (builder_str_p));