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enhanced the json reader to include location in some error messages

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This commit is contained in:
hyung-hwan 2021-07-16 10:01:42 +00:00
parent bc956b757d
commit a4d31da64f
2 changed files with 32 additions and 18 deletions
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44
mio/lib/json.c
View File

@ -39,6 +39,8 @@
static void clear_token (mio_json_t* json)
{
json->tok.len = 0;
json->tok_line = json->c_line;
json->tok_col = json->c_col;
if (json->tok_capa > 0) json->tok.ptr[json->tok.len] = '\0';
}
@ -184,11 +186,11 @@ static int invoke_data_inst (mio_json_t* json, mio_json_inst_t inst)
if (inst != MIO_JSON_INST_STRING && inst != __INST_WORD_STRING)
{
if (inst == MIO_JSON_INST_END_ARRAY)
mio_seterrbfmt (json->mio, MIO_EINVAL, "object key not a string - <array>");
mio_seterrbfmt (json->mio, MIO_EINVAL, "object key not a string - <array> at %zu:%zu", json->c_line, json->c_col);
else if (inst == MIO_JSON_INST_END_OBJECT)
mio_seterrbfmt (json->mio, MIO_EINVAL, "object key not a string - <object>");
mio_seterrbfmt (json->mio, MIO_EINVAL, "object key not a string - <object> at %zu:%zu", json->c_line, json->c_col);
else
mio_seterrbfmt (json->mio, MIO_EINVAL, "object key not a string - %.*js", json->tok.len, json->tok.ptr);
mio_seterrbfmt (json->mio, MIO_EINVAL, "object key not a string - %.*js at %zu:%zu", json->tok.len, json->tok.ptr, json->tok_line, json->tok_col);
return -1;
}
@ -206,7 +208,7 @@ static int invoke_data_inst (mio_json_t* json, mio_json_inst_t inst)
if (inst == __INST_WORD_STRING)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "invalid word value - %.*js", json->tok.len, json->tok.ptr);
mio_seterrbfmt (json->mio, MIO_EINVAL, "invalid word value - %.*js at line %zu:%zu", json->tok.len, json->tok.ptr, json->tok_line, json->tok_col);
return -1;
}
@ -438,7 +440,7 @@ static int handle_word_value_char (mio_json_t* json, mio_ooci_t c)
int ok;
ok = (json->option & MIO_JSON_PERMIT_WORD_KEY)?
(mio_is_ooch_alpha(c) || mio_is_ooch_digit(c) || c == '_'):
(mio_is_ooch_alpha(c) || mio_is_ooch_digit(c) || c == '_' || c == '-'):
mio_is_ooch_alpha(c);
if (ok)
{
@ -508,7 +510,7 @@ static int handle_start_char (mio_json_t* json, mio_ooci_t c)
}
else
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "not starting with an allowed initial character - %jc", (mio_ooch_t)c);
mio_seterrbfmt (json->mio, MIO_EINVAL, "not starting with an allowed initial character - %jc at %zu:%zu", (mio_ooch_t)c, json->c_line,json->c_col);
return -1;
}
}
@ -536,7 +538,7 @@ static int handle_char_in_array (mio_json_t* json, mio_ooci_t c)
{
if (!json->state_stack->u.ia.got_value)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "redundant comma in array - %jc", (mio_ooch_t)c);
mio_seterrbfmt (json->mio, MIO_EINVAL, "redundant comma in array - %jc at %zu:%zu", (mio_ooch_t)c, json->c_line, json->c_col);
return -1;
}
json->state_stack->u.ia.got_value = 0;
@ -552,7 +554,7 @@ static int handle_char_in_array (mio_json_t* json, mio_ooci_t c)
}
else
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "comma required in array - %jc", (mio_ooch_t)c);
mio_seterrbfmt (json->mio, MIO_EINVAL, "comma required in array - %jc at %zu:%zu", (mio_ooch_t)c, json->c_line, json->c_col);
return -1;
}
}
@ -588,7 +590,7 @@ static int handle_char_in_array (mio_json_t* json, mio_ooci_t c)
}
else
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "wrong character inside array - %jc[%d]", (mio_ooch_t)c, (int)c);
mio_seterrbfmt (json->mio, MIO_EINVAL, "wrong character inside array - %jc[%d] at %zu:%zu", (mio_ooch_t)c, (int)c, json->c_line, json->c_col);
return -1;
}
}
@ -612,7 +614,7 @@ static int handle_char_in_object (mio_json_t* json, mio_ooci_t c)
/* 0 - initial, 1 - got key, 2 -> got colon, 3 -> got value, 0 -> after comma */
if (json->state_stack->u.io.state == 1 || json->state_stack->u.io.state == 2)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "no value for a key in object");
mio_seterrbfmt (json->mio, MIO_EINVAL, "no value for a key in object at %zu:%zu", json->c_line, json->c_col);
return -1;
}
@ -624,7 +626,7 @@ static int handle_char_in_object (mio_json_t* json, mio_ooci_t c)
{
if (json->state_stack->u.io.state != 1)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "redundant colon in object - %jc", (mio_ooch_t)c);
mio_seterrbfmt (json->mio, MIO_EINVAL, "redundant colon in object - %jc at %zu:%zu", (mio_ooch_t)c, json->c_line, json->c_col);
return -1;
}
json->state_stack->u.io.state++;
@ -634,7 +636,7 @@ static int handle_char_in_object (mio_json_t* json, mio_ooci_t c)
{
if (json->state_stack->u.io.state != 3)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "comma without value or redundant comma in object - %jc", (mio_ooch_t)c);
mio_seterrbfmt (json->mio, MIO_EINVAL, "comma without value or redundant comma in object - %jc at %zu:%zu", (mio_ooch_t)c, json->c_line, json->c_col);
return -1;
}
json->state_stack->u.io.state = 0;
@ -644,7 +646,7 @@ static int handle_char_in_object (mio_json_t* json, mio_ooci_t c)
{
if (json->state_stack->u.io.state == 1)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "colon required in object - %jc", (mio_ooch_t)c);
mio_seterrbfmt (json->mio, MIO_EINVAL, "colon required in object - %jc at %zu:%zu", (mio_ooch_t)c, json->c_line, json->c_col);
return -1;
}
else if (json->state_stack->u.io.state == 3)
@ -655,7 +657,7 @@ static int handle_char_in_object (mio_json_t* json, mio_ooci_t c)
}
else
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "comma required in object - %jc", (mio_ooch_t)c);
mio_seterrbfmt (json->mio, MIO_EINVAL, "comma required in object - %jc at %zu:%zu", (mio_ooch_t)c, json->c_line, json->c_col);
}
}
@ -690,7 +692,7 @@ static int handle_char_in_object (mio_json_t* json, mio_ooci_t c)
}
else
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "wrong character inside object - %jc[%d]", (mio_ooch_t)c, (int)c);
mio_seterrbfmt (json->mio, MIO_EINVAL, "wrong character inside object - %jc[%d] at %zu:%zu", (mio_ooch_t)c, (int)c, json->c_line, json->c_col);
return -1;
}
}
@ -712,7 +714,7 @@ start_over:
}
else
{
mio_seterrbfmt (json->mio, MIO_EBADRE, "unexpected end of data");
mio_seterrbfmt (json->mio, MIO_EBADRE, "unexpected end of data at %zu:%zu", json->c_line, json->c_col);
return -1;
}
}
@ -798,6 +800,12 @@ static int feed_json_data (mio_json_t* json, const mio_bch_t* data, mio_oow_t le
c = *ptr++;
#endif
if (c == '\n')
{
json->c_col = 1;
json->c_line++;
}
if (json->state_stack->in_comment)
{
if (c == '\n') json->state_stack->in_comment = 0;
@ -870,6 +878,9 @@ int mio_json_init (mio_json_t* json, mio_t* mio)
json->state_top.next = MIO_NULL;
json->state_stack = &json->state_top;
json->c_line = 1;
json->c_col = 1;
return 0;
}
@ -939,7 +950,6 @@ int mio_json_feed (mio_json_t* json, const void* ptr, mio_oow_t len, mio_oow_t*
return 0;
}
/* ========================================================================= */
static int push_write_state (mio_jsonwr_t* jsonwr, mio_json_state_t state)

6
mio/lib/mio-json.h
View File

@ -135,7 +135,6 @@ enum mio_json_option_t
typedef enum mio_json_option_t mio_json_option_t;
struct mio_json_t
{
mio_t* mio;
@ -145,9 +144,14 @@ struct mio_json_t
mio_json_state_node_t state_top;
mio_json_state_node_t* state_stack;
mio_oocs_t tok;
mio_oow_t tok_capa;
mio_oow_t tok_line;
mio_oow_t tok_col;
mio_oow_t c_line;
mio_oow_t c_col;
};
/* ========================================================================= */