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shada: Add functions to format ShaDa entries for debugging purposes

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To be used in debugging printfs.
This commit is contained in:
ZyX
2018-04-01 21:23:43 +03:00
parent 200898546e
commit f5373e2cdc
1 changed files with 108 additions and 0 deletions
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108
src/nvim/shada.c
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@@ -16,6 +16,7 @@
#include "nvim/os/os.h"
#include "nvim/os/time.h"
#include "nvim/vim.h"
#include "nvim/pos.h"
#include "nvim/ascii.h"
#include "nvim/shada.h"
#include "nvim/message.h"
@@ -2022,6 +2023,113 @@ shada_parse_msgpack_extra_bytes:
return ret;
}
/// Format shada entry for debugging purposes
///
/// @param[in] entry ShaDa entry to format.
///
/// @return string representing ShaDa entry in a static buffer.
static const char *shada_format_entry(const ShadaEntry entry)
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_UNUSED FUNC_ATTR_NONNULL_RET
{
static char ret[1024];
ret[0] = 0;
vim_snprintf(S_LEN(ret), "[ ] ts=%" PRIu64 " ");
// ^ Space for `can_free_entry`
switch (entry.type) {
case kSDItemMissing: {
vim_snprintf_add(S_LEN(ret), "Missing");
break;
}
case kSDItemHeader: {
vim_snprintf_add(S_LEN(ret), "Header { TODO }");
break;
}
case kSDItemBufferList: {
vim_snprintf_add(S_LEN(ret), "BufferList { TODO }");
break;
}
case kSDItemUnknown: {
vim_snprintf_add(S_LEN(ret), "Unknown { TODO }");
break;
}
case kSDItemSearchPattern: {
vim_snprintf_add(S_LEN(ret), "SearchPattern { TODO }");
break;
}
case kSDItemSubString: {
vim_snprintf_add(S_LEN(ret), "SubString { TODO }");
break;
}
case kSDItemHistoryEntry: {
vim_snprintf_add(S_LEN(ret), "HistoryEntry { TODO }");
break;
}
case kSDItemRegister: {
vim_snprintf_add(S_LEN(ret), "Register { TODO }");
break;
}
case kSDItemVariable: {
vim_snprintf_add(S_LEN(ret), "Variable { TODO }");
break;
}
#define FORMAT_MARK_ENTRY(entry_name, name_fmt, name_fmt_arg) \
do { \
typval_T ad_tv = { \
.v_type = VAR_DICT, \
.vval.v_dict = entry.data.filemark.additional_data \
}; \
size_t ad_len; \
char *const ad = encode_tv2string(&ad_tv, &ad_len); \
vim_snprintf_add( \
S_LEN(ret), \
entry_name " {" name_fmt " file=[%zu]\"%.512s\", " \
"pos={l=%" PRIdLINENR ",c=%" PRIdCOLNR ",a=%" PRIdCOLNR "}, " \
"ad={%p:[%zu]%.64s} }", \
name_fmt_arg, \
strlen(entry.data.filemark.fname), \
entry.data.filemark.fname, \
entry.data.filemark.mark.lnum, \
entry.data.filemark.mark.col, \
entry.data.filemark.mark.coladd, \
entry.data.filemark.additional_data, \
ad_len, \
ad); \
} while (0)
case kSDItemGlobalMark: {
FORMAT_MARK_ENTRY("GlobalMark", " name='%c',", entry.data.filemark.name);
break;
}
case kSDItemChange: {
FORMAT_MARK_ENTRY("Change", "%s", "");
break;
}
case kSDItemLocalMark: {
FORMAT_MARK_ENTRY("LocalMark", " name='%c',", entry.data.filemark.name);
break;
}
case kSDItemJump: {
FORMAT_MARK_ENTRY("Jump", "%s", "");
break;
}
#undef FORMAT_MARK_ENTRY
}
return ret;
}
/// Format possibly freed shada entry for debugging purposes
///
/// @param[in] entry ShaDa entry to format.
///
/// @return string representing ShaDa entry in a static buffer.
static const char *shada_format_pfreed_entry(
const PossiblyFreedShadaEntry pfs_entry)
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_UNUSED FUNC_ATTR_NONNULL_RET
{
char *ret = (char *)shada_format_entry(pfs_entry.data);
ret[1] = (pfs_entry.can_free_entry ? 'T' : 'F');
return ret;
}
/// Read and merge in ShaDa file, used when writing
///
/// @param[in] sd_reader Structure containing file reader definition.