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json: Rename token JSON_ESCAPE & friends to JSON_INTERP 

The JSON parser optionally supports interpolation.  The code calls it
"escape".  Awkward, because it uses the same term for escape sequences
within strings.  The latter usage is consistent with RFC 8259 "The
JavaScript Object Notation (JSON) Data Interchange Format" and ISO C.
Call the former "interpolation" instead.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-38-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2018-08-23 18:40:04 +02:00
parent 269e57ae28
commit 61030280ca
3 changed files with 37 additions and 37 deletions
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2
include/qapi/qmp/json-lexer.h
View File

@ -27,7 +27,7 @@ typedef enum json_token_type {
JSON_FLOAT,
JSON_KEYWORD,
JSON_STRING,
JSON_ESCAPE,
JSON_INTERP,
JSON_SKIP,
JSON_ERROR,
} JSONTokenType;

64
qobject/json-lexer.c
View File

@ -115,12 +115,12 @@ enum json_lexer_state {
IN_NONZERO_NUMBER,
IN_NEG_NONZERO_NUMBER,
IN_KEYWORD,
IN_ESCAPE,
IN_ESCAPE_L,
IN_ESCAPE_LL,
IN_ESCAPE_I,
IN_ESCAPE_I6,
IN_ESCAPE_I64,
IN_INTERP,
IN_INTERP_L,
IN_INTERP_LL,
IN_INTERP_I,
IN_INTERP_I6,
IN_INTERP_I64,
IN_WHITESPACE,
IN_START,
};
@ -221,40 +221,40 @@ static const uint8_t json_lexer[][256] = {
['\n'] = IN_WHITESPACE,
},
/* escape */
[IN_ESCAPE_LL] = {
['d'] = JSON_ESCAPE,
['u'] = JSON_ESCAPE,
/* interpolation */
[IN_INTERP_LL] = {
['d'] = JSON_INTERP,
['u'] = JSON_INTERP,
},
[IN_ESCAPE_L] = {
['d'] = JSON_ESCAPE,
['l'] = IN_ESCAPE_LL,
['u'] = JSON_ESCAPE,
[IN_INTERP_L] = {
['d'] = JSON_INTERP,
['l'] = IN_INTERP_LL,
['u'] = JSON_INTERP,
},
[IN_ESCAPE_I64] = {
['d'] = JSON_ESCAPE,
['u'] = JSON_ESCAPE,
[IN_INTERP_I64] = {
['d'] = JSON_INTERP,
['u'] = JSON_INTERP,
},
[IN_ESCAPE_I6] = {
['4'] = IN_ESCAPE_I64,
[IN_INTERP_I6] = {
['4'] = IN_INTERP_I64,
},
[IN_ESCAPE_I] = {
['6'] = IN_ESCAPE_I6,
[IN_INTERP_I] = {
['6'] = IN_INTERP_I6,
},
[IN_ESCAPE] = {
['d'] = JSON_ESCAPE,
['i'] = JSON_ESCAPE,
['p'] = JSON_ESCAPE,
['s'] = JSON_ESCAPE,
['u'] = JSON_ESCAPE,
['f'] = JSON_ESCAPE,
['l'] = IN_ESCAPE_L,
['I'] = IN_ESCAPE_I,
[IN_INTERP] = {
['d'] = JSON_INTERP,
['i'] = JSON_INTERP,
['p'] = JSON_INTERP,
['s'] = JSON_INTERP,
['u'] = JSON_INTERP,
['f'] = JSON_INTERP,
['l'] = IN_INTERP_L,
['I'] = IN_INTERP_I,
},
/* top level rule */
@ -271,7 +271,7 @@ static const uint8_t json_lexer[][256] = {
[','] = JSON_COMMA,
[':'] = JSON_COLON,
['a' ... 'z'] = IN_KEYWORD,
['%'] = IN_ESCAPE,
['%'] = IN_INTERP,
[' '] = IN_WHITESPACE,
['\t'] = IN_WHITESPACE,
['\r'] = IN_WHITESPACE,
@ -311,7 +311,7 @@ static void json_lexer_feed_char(JSONLexer *lexer, char ch, bool flush)
case JSON_RSQUARE:
case JSON_COLON:
case JSON_COMMA:
case JSON_ESCAPE:
case JSON_INTERP:
case JSON_INTEGER:
case JSON_FLOAT:
case JSON_KEYWORD:

8
qobject/json-parser.c
View File

@ -423,7 +423,7 @@ static QObject *parse_keyword(JSONParserContext *ctxt)
return NULL;
}
static QObject *parse_escape(JSONParserContext *ctxt, va_list *ap)
static QObject *parse_interpolation(JSONParserContext *ctxt, va_list *ap)
{
JSONToken *token;
@ -432,7 +432,7 @@ static QObject *parse_escape(JSONParserContext *ctxt, va_list *ap)
}
token = parser_context_pop_token(ctxt);
assert(token && token->type == JSON_ESCAPE);
assert(token && token->type == JSON_INTERP);
if (!strcmp(token->str, "%p")) {
return va_arg(*ap, QObject *);
@ -527,8 +527,8 @@ static QObject *parse_value(JSONParserContext *ctxt, va_list *ap)
return parse_object(ctxt, ap);
case JSON_LSQUARE:
return parse_array(ctxt, ap);
case JSON_ESCAPE:
return parse_escape(ctxt, ap);
case JSON_INTERP:
return parse_interpolation(ctxt, ap);
case JSON_INTEGER:
case JSON_FLOAT:
case JSON_STRING: