diff options
Diffstat (limited to 'upb/json/parser.rl')
| -rw-r--r-- | upb/json/parser.rl | 482 |
1 files changed, 221 insertions, 261 deletions
diff --git a/upb/json/parser.rl b/upb/json/parser.rl index 2fc5027..3444257 100644 --- a/upb/json/parser.rl +++ b/upb/json/parser.rl @@ -22,6 +22,7 @@ /* Need to define _XOPEN_SOURCE before any include to make strptime work. */ #define _XOPEN_SOURCE 700 +#include <ctype.h> #include <errno.h> #include <float.h> #include <math.h> @@ -60,7 +61,6 @@ static bool is_string_wrapper_object(upb_json_parser *p); static bool does_string_wrapper_start(upb_json_parser *p); static bool does_string_wrapper_end(upb_json_parser *p); -static bool is_fieldmask_object(upb_json_parser *p); static bool does_fieldmask_start(upb_json_parser *p); static bool does_fieldmask_end(upb_json_parser *p); static void start_fieldmask_object(upb_json_parser *p); @@ -157,14 +157,13 @@ void upb_stringsink_uninit(upb_stringsink *sink) { free(sink->ptr); } typedef struct { /* For encoding Any value field in binary format. */ - const upb_handlers *encoder_handlers; - upb_pb_encoder *encoder; + upb_handlercache *encoder_handlercache; upb_stringsink stringsink; /* For decoding Any value field in json format. */ - upb_json_parsermethod *parser_method; - upb_json_parser* parser; + upb_json_codecache *parser_codecache; upb_sink sink; + upb_json_parser *parser; /* Mark the range of uninterpreted values in json input before type url. */ const char *before_type_url_start; @@ -183,7 +182,7 @@ typedef struct { const upb_fielddef *f; /* The table mapping json name to fielddef for this message. */ - upb_strtable *name_table; + const upb_strtable *name_table; /* We are in a repeated-field context, ready to emit mapentries as * submessages. This flag alters the start-of-object (open-brace) behavior to @@ -216,7 +215,7 @@ typedef struct { } upb_jsonparser_frame; struct upb_json_parser { - upb_env *env; + upb_arena *arena; const upb_json_parsermethod *method; upb_bytessink input_; @@ -225,7 +224,7 @@ struct upb_json_parser { upb_jsonparser_frame *top; upb_jsonparser_frame *limit; - upb_status status; + upb_status *status; /* Ragel's internal parsing stack for the parsing state machine. */ int current_state; @@ -262,64 +261,68 @@ struct upb_json_parser { struct tm tm; }; -struct upb_json_parsermethod { - upb_refcounted base; +struct upb_json_codecache { + upb_arena *arena; + upb_inttable methods; /* upb_msgdef* -> upb_json_parsermethod* */ +}; +struct upb_json_parsermethod { + const upb_json_codecache *cache; upb_byteshandler input_handler_; - /* Mainly for the purposes of refcounting, so all the fielddefs we point - * to stay alive. */ - const upb_msgdef *msg; - - /* Keys are upb_msgdef*, values are upb_strtable (json_name -> fielddef) */ - upb_inttable name_tables; + /* Maps json_name -> fielddef */ + upb_strtable name_table; }; #define PARSER_CHECK_RETURN(x) if (!(x)) return false -static void json_parser_any_frame_reset(upb_jsonparser_any_frame *frame) { - frame->encoder_handlers = NULL; - frame->encoder = NULL; - frame->parser_method = NULL; +static upb_jsonparser_any_frame *json_parser_any_frame_new( + upb_json_parser *p) { + upb_jsonparser_any_frame *frame; + + frame = upb_arena_malloc(p->arena, sizeof(upb_jsonparser_any_frame)); + + frame->encoder_handlercache = upb_pb_encoder_newcache(); + frame->parser_codecache = upb_json_codecache_new(); frame->parser = NULL; frame->before_type_url_start = NULL; frame->before_type_url_end = NULL; frame->after_type_url_start = NULL; + + upb_stringsink_init(&frame->stringsink); + + return frame; } static void json_parser_any_frame_set_payload_type( upb_json_parser *p, upb_jsonparser_any_frame *frame, const upb_msgdef *payload_type) { + const upb_handlers *h; + const upb_json_parsermethod *parser_method; + upb_pb_encoder *encoder; + /* Initialize encoder. */ - frame->encoder_handlers = - upb_pb_encoder_newhandlers(payload_type, &frame->encoder_handlers); - upb_stringsink_init(&frame->stringsink); - frame->encoder = - upb_pb_encoder_create( - p->env, frame->encoder_handlers, - &frame->stringsink.sink); + h = upb_handlercache_get(frame->encoder_handlercache, payload_type); + encoder = upb_pb_encoder_create(p->arena, h, frame->stringsink.sink); /* Initialize parser. */ - frame->parser_method = - upb_json_parsermethod_new(payload_type, &frame->parser_method); - upb_sink_reset(&frame->sink, frame->encoder_handlers, frame->encoder); + parser_method = upb_json_codecache_get(frame->parser_codecache, payload_type); + upb_sink_reset(&frame->sink, h, encoder); frame->parser = - upb_json_parser_create(p->env, frame->parser_method, p->symtab, - &frame->sink, p->ignore_json_unknown); + upb_json_parser_create(p->arena, parser_method, p->symtab, frame->sink, + p->status, p->ignore_json_unknown); } static void json_parser_any_frame_free(upb_jsonparser_any_frame *frame) { - upb_handlers_unref(frame->encoder_handlers, - &frame->encoder_handlers); - upb_json_parsermethod_unref(frame->parser_method, - &frame->parser_method); + upb_handlercache_free(frame->encoder_handlercache); + upb_json_codecache_free(frame->parser_codecache); upb_stringsink_uninit(&frame->stringsink); } static bool json_parser_any_frame_has_type_url( upb_jsonparser_any_frame *frame) { - return frame->encoder != NULL; + return frame->parser != NULL; } static bool json_parser_any_frame_has_value_before_type_url( @@ -341,7 +344,7 @@ static bool json_parser_any_frame_has_value( static void json_parser_any_frame_set_before_type_url_end( upb_jsonparser_any_frame *frame, const char *ptr) { - if (frame->encoder == NULL) { + if (frame->parser == NULL) { frame->before_type_url_end = ptr; } } @@ -373,8 +376,7 @@ static upb_selector_t parser_getsel(upb_json_parser *p) { static bool check_stack(upb_json_parser *p) { if ((p->top + 1) == p->limit) { - upb_status_seterrmsg(&p->status, "Nesting too deep"); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "Nesting too deep"); return false; } @@ -383,9 +385,15 @@ static bool check_stack(upb_json_parser *p) { static void set_name_table(upb_json_parser *p, upb_jsonparser_frame *frame) { upb_value v; - bool ok = upb_inttable_lookupptr(&p->method->name_tables, frame->m, &v); + const upb_json_codecache *cache = p->method->cache; + bool ok; + const upb_json_parsermethod *method; + + ok = upb_inttable_lookupptr(&cache->methods, frame->m, &v); UPB_ASSERT(ok); - frame->name_table = upb_value_getptr(v); + method = upb_value_getconstptr(v); + + frame->name_table = &method->name_table; } /* There are GCC/Clang built-ins for overflow checking which we could start @@ -463,10 +471,9 @@ static bool base64_push(upb_json_parser *p, upb_selector_t sel, const char *ptr, char output[3]; if (limit - ptr < 4) { - upb_status_seterrf(&p->status, + upb_status_seterrf(p->status, "Base64 input for bytes field not a multiple of 4: %s", upb_fielddef_name(p->top->f)); - upb_env_reporterror(p->env, &p->status); return false; } @@ -483,17 +490,16 @@ static bool base64_push(upb_json_parser *p, upb_selector_t sel, const char *ptr, output[0] = val >> 16; output[1] = (val >> 8) & 0xff; output[2] = val & 0xff; - upb_sink_putstring(&p->top->sink, sel, output, 3, NULL); + upb_sink_putstring(p->top->sink, sel, output, 3, NULL); } return true; otherchar: if (nonbase64(ptr[0]) || nonbase64(ptr[1]) || nonbase64(ptr[2]) || nonbase64(ptr[3]) ) { - upb_status_seterrf(&p->status, + upb_status_seterrf(p->status, "Non-base64 characters in bytes field: %s", upb_fielddef_name(p->top->f)); - upb_env_reporterror(p->env, &p->status); return false; } if (ptr[2] == '=') { uint32_t val; @@ -509,7 +515,7 @@ otherchar: UPB_ASSERT(!(val & 0x80000000)); output = val >> 16; - upb_sink_putstring(&p->top->sink, sel, &output, 1, NULL); + upb_sink_putstring(p->top->sink, sel, &output, 1, NULL); return true; } else { uint32_t val; @@ -526,16 +532,15 @@ otherchar: output[0] = val >> 16; output[1] = (val >> 8) & 0xff; - upb_sink_putstring(&p->top->sink, sel, output, 2, NULL); + upb_sink_putstring(p->top->sink, sel, output, 2, NULL); return true; } badpadding: - upb_status_seterrf(&p->status, + upb_status_seterrf(p->status, "Incorrect base64 padding for field: %s (%.*s)", upb_fielddef_name(p->top->f), 4, ptr); - upb_env_reporterror(p->env, &p->status); return false; } @@ -579,10 +584,9 @@ static bool accumulate_realloc(upb_json_parser *p, size_t need) { new_size = saturating_multiply(new_size, 2); } - mem = upb_env_realloc(p->env, p->accumulate_buf, old_size, new_size); + mem = upb_arena_realloc(p->arena, p->accumulate_buf, old_size, new_size); if (!mem) { - upb_status_seterrmsg(&p->status, "Out of memory allocating buffer."); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "Out of memory allocating buffer."); return false; } @@ -605,8 +609,7 @@ static bool accumulate_append(upb_json_parser *p, const char *buf, size_t len, } if (!checked_add(p->accumulated_len, len, &need)) { - upb_status_seterrmsg(&p->status, "Integer overflow."); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "Integer overflow."); return false; } @@ -684,8 +687,7 @@ static bool multipart_text(upb_json_parser *p, const char *buf, size_t len, switch (p->multipart_state) { case MULTIPART_INACTIVE: upb_status_seterrmsg( - &p->status, "Internal error: unexpected state MULTIPART_INACTIVE"); - upb_env_reporterror(p->env, &p->status); + p->status, "Internal error: unexpected state MULTIPART_INACTIVE"); return false; case MULTIPART_ACCUMULATE: @@ -696,7 +698,7 @@ static bool multipart_text(upb_json_parser *p, const char *buf, size_t len, case MULTIPART_PUSHEAGERLY: { const upb_bufhandle *handle = can_alias ? p->handle : NULL; - upb_sink_putstring(&p->top->sink, p->string_selector, buf, len, handle); + upb_sink_putstring(p->top->sink, p->string_selector, buf, len, handle); break; } } @@ -942,7 +944,7 @@ static bool parse_number_from_buffer(upb_json_parser *p, const char *buf, } else if (val > INT32_MAX || val < INT32_MIN) { return false; } else { - upb_sink_putint32(&p->top->sink, parser_getsel(p), val); + upb_sink_putint32(p->top->sink, parser_getsel(p), val); return true; } } @@ -953,7 +955,7 @@ static bool parse_number_from_buffer(upb_json_parser *p, const char *buf, } else if (val > UINT32_MAX || errno == ERANGE) { return false; } else { - upb_sink_putuint32(&p->top->sink, parser_getsel(p), val); + upb_sink_putuint32(p->top->sink, parser_getsel(p), val); return true; } } @@ -964,7 +966,7 @@ static bool parse_number_from_buffer(upb_json_parser *p, const char *buf, if (errno == ERANGE || end != bufend) { break; } else { - upb_sink_putint64(&p->top->sink, parser_getsel(p), val); + upb_sink_putint64(p->top->sink, parser_getsel(p), val); return true; } } @@ -975,7 +977,7 @@ static bool parse_number_from_buffer(upb_json_parser *p, const char *buf, } else if (errno == ERANGE) { return false; } else { - upb_sink_putuint64(&p->top->sink, parser_getsel(p), val); + upb_sink_putuint64(p->top->sink, parser_getsel(p), val); return true; } } @@ -1006,7 +1008,7 @@ static bool parse_number_from_buffer(upb_json_parser *p, const char *buf, if (modf(val, &dummy) != 0 || val > max || val < min) { \ return false; \ } else { \ - upb_sink_put ## smalltype(&p->top->sink, parser_getsel(p), \ + upb_sink_put ## smalltype(p->top->sink, parser_getsel(p), \ (ctype)val); \ return true; \ } \ @@ -1020,13 +1022,13 @@ static bool parse_number_from_buffer(upb_json_parser *p, const char *buf, #undef CASE case UPB_TYPE_DOUBLE: - upb_sink_putdouble(&p->top->sink, parser_getsel(p), val); + upb_sink_putdouble(p->top->sink, parser_getsel(p), val); return true; case UPB_TYPE_FLOAT: if ((val > FLT_MAX || val < -FLT_MAX) && val != inf && val != -inf) { return false; } else { - upb_sink_putfloat(&p->top->sink, parser_getsel(p), val); + upb_sink_putfloat(p->top->sink, parser_getsel(p), val); return true; } default: @@ -1050,8 +1052,7 @@ static bool parse_number(upb_json_parser *p, bool is_quoted) { multipart_end(p); return true; } else { - upb_status_seterrf(&p->status, "error parsing number: %s", buf); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrf(p->status, "error parsing number: %s", buf); multipart_end(p); return false; } @@ -1065,14 +1066,13 @@ static bool parser_putbool(upb_json_parser *p, bool val) { } if (upb_fielddef_type(p->top->f) != UPB_TYPE_BOOL) { - upb_status_seterrf(&p->status, + upb_status_seterrf(p->status, "Boolean value specified for non-bool field: %s", upb_fielddef_name(p->top->f)); - upb_env_reporterror(p->env, &p->status); return false; } - ok = upb_sink_putbool(&p->top->sink, parser_getsel(p), val); + ok = upb_sink_putbool(p->top->sink, parser_getsel(p), val); UPB_ASSERT(ok); return true; @@ -1221,7 +1221,7 @@ static bool start_stringval(upb_json_parser *p) { * handler frames, and string events occur in a sub-frame. */ inner = p->top + 1; sel = getsel_for_handlertype(p, UPB_HANDLER_STARTSTR); - upb_sink_startstr(&p->top->sink, sel, 0, &inner->sink); + upb_sink_startstr(p->top->sink, sel, 0, &inner->sink); inner->m = p->top->m; inner->f = p->top->f; inner->name_table = NULL; @@ -1252,10 +1252,9 @@ static bool start_stringval(upb_json_parser *p) { multipart_startaccum(p); return true; } else { - upb_status_seterrf(&p->status, + upb_status_seterrf(p->status, "String specified for bool or submessage field: %s", upb_fielddef_name(p->top->f)); - upb_env_reporterror(p->env, &p->status); return false; } } @@ -1271,11 +1270,11 @@ static bool end_any_stringval(upb_json_parser *p) { inner = p->top + 1; sel = getsel_for_handlertype(p, UPB_HANDLER_STARTSTR); - upb_sink_startstr(&p->top->sink, sel, 0, &inner->sink); + upb_sink_startstr(p->top->sink, sel, 0, &inner->sink); sel = getsel_for_handlertype(p, UPB_HANDLER_STRING); - upb_sink_putstring(&inner->sink, sel, buf, len, NULL); + upb_sink_putstring(inner->sink, sel, buf, len, NULL); sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSTR); - upb_sink_endstr(&inner->sink, sel); + upb_sink_endstr(inner->sink, sel); multipart_end(p); @@ -1288,18 +1287,16 @@ static bool end_any_stringval(upb_json_parser *p) { payload_type = upb_symtab_lookupmsg2(p->symtab, buf, len); if (payload_type == NULL) { upb_status_seterrf( - &p->status, "Cannot find packed type: %.*s\n", (int)len, buf); - upb_env_reporterror(p->env, &p->status); + p->status, "Cannot find packed type: %.*s\n", (int)len, buf); return false; } json_parser_any_frame_set_payload_type(p, p->top->any_frame, payload_type); - + return true; } else { upb_status_seterrf( - &p->status, "Invalid type url: %.*s\n", (int)len, buf); - upb_env_reporterror(p->env, &p->status); + p->status, "Invalid type url: %.*s\n", (int)len, buf); return false; } } @@ -1332,15 +1329,14 @@ static bool end_stringval_nontop(upb_json_parser *p) { case UPB_TYPE_STRING: { upb_selector_t sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSTR); - upb_sink_endstr(&p->top->sink, sel); + upb_sink_endstr(p->top->sink, sel); p->top--; break; } case UPB_TYPE_ENUM: { /* Resolve enum symbolic name to integer value. */ - const upb_enumdef *enumdef = - (const upb_enumdef*)upb_fielddef_subdef(p->top->f); + const upb_enumdef *enumdef = upb_fielddef_enumsubdef(p->top->f); size_t len; const char *buf = accumulate_getptr(p, &len); @@ -1350,10 +1346,9 @@ static bool end_stringval_nontop(upb_json_parser *p) { if (ok) { upb_selector_t sel = parser_getsel(p); - upb_sink_putint32(&p->top->sink, sel, int_val); + upb_sink_putint32(p->top->sink, sel, int_val); } else { - upb_status_seterrf(&p->status, "Enum value unknown: '%.*s'", len, buf); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrf(p->status, "Enum value unknown: '%.*s'", len, buf); } break; @@ -1370,8 +1365,7 @@ static bool end_stringval_nontop(upb_json_parser *p) { default: UPB_ASSERT(false); - upb_status_seterrmsg(&p->status, "Internal error in JSON decoder"); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "Internal error in JSON decoder"); ok = false; break; } @@ -1461,25 +1455,22 @@ static bool end_duration_base(upb_json_parser *p, const char *ptr) { memcpy(seconds_buf, buf, fraction_start); seconds = strtol(seconds_buf, &end, 10); if (errno == ERANGE || end != seconds_buf + fraction_start) { - upb_status_seterrf(&p->status, "error parsing duration: %s", + upb_status_seterrf(p->status, "error parsing duration: %s", seconds_buf); - upb_env_reporterror(p->env, &p->status); return false; } if (seconds > 315576000000) { - upb_status_seterrf(&p->status, "error parsing duration: " + upb_status_seterrf(p->status, "error parsing duration: " "maximum acceptable value is " "315576000000"); - upb_env_reporterror(p->env, &p->status); return false; } if (seconds < -315576000000) { - upb_status_seterrf(&p->status, "error parsing duration: " + upb_status_seterrf(p->status, "error parsing duration: " "minimum acceptable value is " "-315576000000"); - upb_env_reporterror(p->env, &p->status); return false; } @@ -1488,9 +1479,8 @@ static bool end_duration_base(upb_json_parser *p, const char *ptr) { memcpy(nanos_buf + 1, buf + fraction_start, len - fraction_start); val = strtod(nanos_buf, &end); if (errno == ERANGE || end != nanos_buf + len - fraction_start + 1) { - upb_status_seterrf(&p->status, "error parsing duration: %s", + upb_status_seterrf(p->status, "error parsing duration: %s", nanos_buf); - upb_env_reporterror(p->env, &p->status); return false; } @@ -1505,7 +1495,7 @@ static bool end_duration_base(upb_json_parser *p, const char *ptr) { capture_begin(p, seconds_membername); capture_end(p, seconds_membername + 7); end_membername(p); - upb_sink_putint64(&p->top->sink, parser_getsel(p), seconds); + upb_sink_putint64(p->top->sink, parser_getsel(p), seconds); end_member(p); /* Set nanos */ @@ -1513,10 +1503,10 @@ static bool end_duration_base(upb_json_parser *p, const char *ptr) { capture_begin(p, nanos_membername); capture_end(p, nanos_membername + 5); end_membername(p); - upb_sink_putint32(&p->top->sink, parser_getsel(p), nanos); + upb_sink_putint32(p->top->sink, parser_getsel(p), nanos); end_member(p); - /* Continue previous environment */ + /* Continue previous arena */ multipart_startaccum(p); return true; @@ -1545,15 +1535,13 @@ static bool end_timestamp_base(upb_json_parser *p, const char *ptr) { timestamp_buf[UPB_TIMESTAMP_BASE_SIZE + 3] = 0; #if defined __MINGW32__ || defined __MINGW64__ - upb_status_seterrf( - &p->status, "error parsing timestamp: mingw doesn't support strptime"); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrf(p->status, + "error parsing timestamp: mingw doesn't support strptime"); return false; #else /* Parse seconds */ if (strptime(timestamp_buf, "%FT%H:%M:%S%Z", &p->tm) == NULL) { - upb_status_seterrf(&p->status, "error parsing timestamp: %s", buf); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrf(p->status, "error parsing timestamp: %s", buf); return false; } #endif @@ -1587,9 +1575,8 @@ static bool end_timestamp_fraction(upb_json_parser *p, const char *ptr) { buf = accumulate_getptr(p, &len); if (len > 10) { - upb_status_seterrf(&p->status, + upb_status_seterrf(p->status, "error parsing timestamp: at most 9-digit fraction."); - upb_env_reporterror(p->env, &p->status); return false; } @@ -1599,9 +1586,8 @@ static bool end_timestamp_fraction(upb_json_parser *p, const char *ptr) { val = strtod(nanos_buf, &end); if (errno == ERANGE || end != nanos_buf + len + 1) { - upb_status_seterrf(&p->status, "error parsing timestamp nanos: %s", + upb_status_seterrf(p->status, "error parsing timestamp nanos: %s", nanos_buf); - upb_env_reporterror(p->env, &p->status); return false; } @@ -1615,7 +1601,7 @@ static bool end_timestamp_fraction(upb_json_parser *p, const char *ptr) { capture_begin(p, nanos_membername); capture_end(p, nanos_membername + 5); end_membername(p); - upb_sink_putint32(&p->top->sink, parser_getsel(p), nanos); + upb_sink_putint32(p->top->sink, parser_getsel(p), nanos); end_member(p); /* Continue previous environment */ @@ -1643,8 +1629,7 @@ static bool end_timestamp_zone(upb_json_parser *p, const char *ptr) { if (buf[0] != 'Z') { if (sscanf(buf + 1, "%2d:00", &hours) != 1) { - upb_status_seterrf(&p->status, "error parsing timestamp offset"); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrf(p->status, "error parsing timestamp offset"); return false; } @@ -1660,10 +1645,9 @@ static bool end_timestamp_zone(upb_json_parser *p, const char *ptr) { /* Check timestamp boundary */ if (seconds < -62135596800) { - upb_status_seterrf(&p->status, "error parsing timestamp: " + upb_status_seterrf(p->status, "error parsing timestamp: " "minimum acceptable value is " "0001-01-01T00:00:00Z"); - upb_env_reporterror(p->env, &p->status); return false; } @@ -1675,7 +1659,7 @@ static bool end_timestamp_zone(upb_json_parser *p, const char *ptr) { capture_begin(p, seconds_membername); capture_end(p, seconds_membername + 7); end_membername(p); - upb_sink_putint64(&p->top->sink, parser_getsel(p), seconds); + upb_sink_putint64(p->top->sink, parser_getsel(p), seconds); end_member(p); /* Continue previous environment */ @@ -1689,9 +1673,7 @@ static void start_fieldmask_path_text(upb_json_parser *p, const char *ptr) { } static bool end_fieldmask_path_text(upb_json_parser *p, const char *ptr) { - if (!capture_end(p, ptr)) { - return false; - } + return capture_end(p, ptr); } static bool start_fieldmask_path(upb_json_parser *p) { @@ -1704,7 +1686,7 @@ static bool start_fieldmask_path(upb_json_parser *p) { * handler frames, and string events occur in a sub-frame. */ inner = p->top + 1; sel = getsel_for_handlertype(p, UPB_HANDLER_STARTSTR); - upb_sink_startstr(&p->top->sink, sel, 0, &inner->sink); + upb_sink_startstr(p->top->sink, sel, 0, &inner->sink); inner->m = p->top->m; inner->f = p->top->f; inner->name_table = NULL; @@ -1726,10 +1708,10 @@ static bool lower_camel_push( for (;ptr < limit; ptr++) { if (*ptr >= 'A' && *ptr <= 'Z' && !first) { char lower = tolower(*ptr); - upb_sink_putstring(&p->top->sink, sel, "_", 1, NULL); - upb_sink_putstring(&p->top->sink, sel, &lower, 1, NULL); + upb_sink_putstring(p->top->sink, sel, "_", 1, NULL); + upb_sink_putstring(p->top->sink, sel, &lower, 1, NULL); } else { - upb_sink_putstring(&p->top->sink, sel, ptr, 1, NULL); + upb_sink_putstring(p->top->sink, sel, ptr, 1, NULL); } first = false; } @@ -1746,7 +1728,7 @@ static bool end_fieldmask_path(upb_json_parser *p) { } sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSTR); - upb_sink_endstr(&p->top->sink, sel); + upb_sink_endstr(p->top->sink, sel); p->top--; multipart_end(p); @@ -1773,8 +1755,7 @@ static bool parse_mapentry_key(upb_json_parser *p) { p->top->f = upb_msgdef_itof(p->top->m, UPB_MAPENTRY_KEY); if (p->top->f == NULL) { - upb_status_seterrmsg(&p->status, "mapentry message has no key"); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "mapentry message has no key"); return false; } switch (upb_fielddef_type(p->top->f)) { @@ -1797,9 +1778,8 @@ static bool parse_mapentry_key(upb_json_parser *p) { return false; } } else { - upb_status_seterrmsg(&p->status, + upb_status_seterrmsg(p->status, "Map bool key not 'true' or 'false'"); - upb_env_reporterror(p->env, &p->status); return false; } multipart_end(p); @@ -1808,17 +1788,16 @@ static bool parse_mapentry_key(upb_json_parser *p) { case UPB_TYPE_BYTES: { upb_sink subsink; upb_selector_t sel = getsel_for_handlertype(p, UPB_HANDLER_STARTSTR); - upb_sink_startstr(&p->top->sink, sel, len, &subsink); + upb_sink_startstr(p->top->sink, sel, len, &subsink); sel = getsel_for_handlertype(p, UPB_HANDLER_STRING); - upb_sink_putstring(&subsink, sel, buf, len, NULL); + upb_sink_putstring(subsink, sel, buf, len, NULL); sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSTR); - upb_sink_endstr(&subsink, sel); + upb_sink_endstr(subsink, sel); multipart_end(p); break; } default: - upb_status_seterrmsg(&p->status, "Invalid field type for map key"); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "Invalid field type for map key"); return false; } @@ -1851,7 +1830,7 @@ static bool handle_mapentry(upb_json_parser *p) { inner = p->top + 1; p->top->f = mapfield; sel = getsel_for_handlertype(p, UPB_HANDLER_STARTSUBMSG); - upb_sink_startsubmsg(&p->top->sink, sel, &inner->sink); + upb_sink_startsubmsg(p->top->sink, sel, &inner->sink); inner->m = mapentrymsg; inner->name_table = NULL; inner->mapfield = mapfield; @@ -1868,7 +1847,7 @@ static bool handle_mapentry(upb_json_parser *p) { p->top = inner; /* send STARTMSG in submsg frame. */ - upb_sink_startmsg(&p->top->sink); + upb_sink_startmsg(p->top->sink); parse_mapentry_key(p); @@ -1877,8 +1856,7 @@ static bool handle_mapentry(upb_json_parser *p) { p->top->is_mapentry = true; /* set up to pop frame after value is parsed. */ p->top->mapfield = mapfield; if (p->top->f == NULL) { - upb_status_seterrmsg(&p->status, "mapentry message has no value"); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "mapentry message has no value"); return false; } @@ -1913,8 +1891,7 @@ static bool end_membername(upb_json_parser *p) { multipart_end(p); return true; } else { - upb_status_seterrf(&p->status, "No such field: %.*s\n", (int)len, buf); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrf(p->status, "No such field: %.*s\n", (int)len, buf); return false; } } @@ -1940,21 +1917,20 @@ static bool end_any_membername(upb_json_parser *p) { static void end_member(upb_json_parser *p) { /* If we just parsed a map-entry value, end that frame too. */ if (p->top->is_mapentry) { - upb_status s = UPB_STATUS_INIT; upb_selector_t sel; bool ok; const upb_fielddef *mapfield; UPB_ASSERT(p->top > p->stack); /* send ENDMSG on submsg. */ - upb_sink_endmsg(&p->top->sink, &s); + upb_sink_endmsg(p->top->sink, p->status); mapfield = p->top->mapfield; /* send ENDSUBMSG in repeated-field-of-mapentries frame. */ p->top--; ok = upb_handlers_getselector(mapfield, UPB_HANDLER_ENDSUBMSG, &sel); UPB_ASSERT(ok); - upb_sink_endsubmsg(&p->top->sink, sel); + upb_sink_endsubmsg(p->top->sink, sel); } p->top->f = NULL; @@ -1998,7 +1974,7 @@ static bool start_subobject(upb_json_parser *p) { inner = p->top + 1; sel = getsel_for_handlertype(p, UPB_HANDLER_STARTSEQ); - upb_sink_startseq(&p->top->sink, sel, &inner->sink); + upb_sink_startseq(p->top->sink, sel, &inner->sink); inner->m = upb_fielddef_msgsubdef(p->top->f); inner->name_table = NULL; inner->mapfield = p->top->f; @@ -2022,7 +1998,7 @@ static bool start_subobject(upb_json_parser *p) { inner = p->top + 1; sel = getsel_for_handlertype(p, UPB_HANDLER_STARTSUBMSG); - upb_sink_startsubmsg(&p->top->sink, sel, &inner->sink); + upb_sink_startsubmsg(p->top->sink, sel, &inner->sink); inner->m = upb_fielddef_msgsubdef(p->top->f); set_name_table(p, inner); inner->f = NULL; @@ -2033,9 +2009,7 @@ static bool start_subobject(upb_json_parser *p) { if (is_wellknown_msg(p, UPB_WELLKNOWN_ANY)) { p->top->is_any = true; - p->top->any_frame = - upb_env_malloc(p->env, sizeof(upb_jsonparser_any_frame)); - json_parser_any_frame_reset(p->top->any_frame); + p->top->any_frame = json_parser_any_frame_new(p); } else { p->top->is_any = false; p->top->any_frame = NULL; @@ -2043,10 +2017,9 @@ static bool start_subobject(upb_json_parser *p) { return true; } else { - upb_status_seterrf(&p->status, + upb_status_seterrf(p->status, "Object specified for non-message/group field: %s", upb_fielddef_name(p->top->f)); - upb_env_reporterror(p->env, &p->status); return false; } } @@ -2084,14 +2057,14 @@ static void end_subobject(upb_json_parser *p) { upb_selector_t sel; p->top--; sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSEQ); - upb_sink_endseq(&p->top->sink, sel); + upb_sink_endseq(p->top->sink, sel); } else { upb_selector_t sel; bool is_unknown = p->top->m == NULL; p->top--; if (!is_unknown) { sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSUBMSG); - upb_sink_endsubmsg(&p->top->sink, sel); + upb_sink_endsubmsg(p->top->sink, sel); } } } @@ -2154,10 +2127,9 @@ static bool start_array(upb_json_parser *p) { } if (!upb_fielddef_isseq(p->top->f)) { - upb_status_seterrf(&p->status, + upb_status_seterrf(p->status, "Array specified for non-repeated field: %s", upb_fielddef_name(p->top->f)); - upb_env_reporterror(p->env, &p->status); return false; } @@ -2165,7 +2137,7 @@ static bool start_array(upb_json_parser *p) { inner = p->top + 1; sel = getsel_for_handlertype(p, UPB_HANDLER_STARTSEQ); - upb_sink_startseq(&p->top->sink, sel, &inner->sink); + upb_sink_startseq(p->top->sink, sel, &inner->sink); inner->m = p->top->m; inner->name_table = NULL; inner->f = p->top->f; @@ -2191,7 +2163,7 @@ static void end_array(upb_json_parser *p) { } sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSEQ); - upb_sink_endseq(&p->top->sink, sel); + upb_sink_endseq(p->top->sink, sel); if (is_wellknown_msg(p, UPB_WELLKNOWN_LISTVALUE)) { end_listvalue_object(p); @@ -2210,18 +2182,13 @@ static void end_array(upb_json_parser *p) { static void start_object(upb_json_parser *p) { if (!p->top->is_map && p->top->m != NULL) { - upb_sink_startmsg(&p->top->sink); + upb_sink_startmsg(p->top->sink); } } static void end_object(upb_json_parser *p) { if (!p->top->is_map && p->top->m != NULL) { - upb_status status; - upb_status_clear(&status); - upb_sink_endmsg(&p->top->sink, &status); - if (!upb_ok(&status)) { - upb_env_reporterror(p->env, &status); - } + upb_sink_endmsg(p->top->sink, p->status); } } @@ -2240,8 +2207,7 @@ static bool end_any_object(upb_json_parser *p, const char *ptr) { if (json_parser_any_frame_has_value(p->top->any_frame) && !json_parser_any_frame_has_type_url(p->top->any_frame)) { - upb_status_seterrmsg(&p->status, "No valid type url"); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "No valid type url"); return false; } @@ -2256,8 +2222,7 @@ static bool end_any_object(upb_json_parser *p, const char *ptr) { p->top->any_frame->before_type_url_end - p->top->any_frame->before_type_url_start); if (p->top->any_frame->before_type_url_start == NULL) { - upb_status_seterrmsg(&p->status, "invalid data for well known type."); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "invalid data for well known type."); return false; } p->top->any_frame->before_type_url_start++; @@ -2269,8 +2234,7 @@ static bool end_any_object(upb_json_parser *p, const char *ptr) { (ptr + 1) - p->top->any_frame->after_type_url_start); if (p->top->any_frame->after_type_url_start == NULL) { - upb_status_seterrmsg(&p->status, "Invalid data for well known type."); - upb_env_reporterror(p->env, &p->status); + upb_status_seterrmsg(p->status, "Invalid data for well known type."); return false; } p->top->any_frame->after_type_url_start++; @@ -2330,12 +2294,12 @@ static bool end_any_object(upb_json_parser *p, const char *ptr) { inner = p->top + 1; sel = getsel_for_handlertype(p, UPB_HANDLER_STARTSTR); - upb_sink_startstr(&p->top->sink, sel, 0, &inner->sink); + upb_sink_startstr(p->top->sink, sel, 0, &inner->sink); sel = getsel_for_handlertype(p, UPB_HANDLER_STRING); - upb_sink_putstring(&inner->sink, sel, p->top->any_frame->stringsink.ptr, + upb_sink_putstring(inner->sink, sel, p->top->any_frame->stringsink.ptr, p->top->any_frame->stringsink.len, NULL); sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSTR); - upb_sink_endstr(&inner->sink, sel); + upb_sink_endstr(inner->sink, sel); end_member(p); @@ -2343,7 +2307,6 @@ static bool end_any_object(upb_json_parser *p, const char *ptr) { /* Deallocate any parse frame. */ json_parser_any_frame_free(p->top->any_frame); - upb_env_free(p->env, p->top->any_frame); return true; } @@ -2527,10 +2490,6 @@ static bool does_fieldmask_end(upb_json_parser *p) { return p->top->m != NULL && is_fieldmask(p->top->m); } -static bool is_fieldmask_object(upb_json_parser *p) { - return p->top->m != NULL && is_fieldmask(p->top->m); -} - #define CHECK_RETURN_TOP(x) if (!(x)) goto error @@ -2760,8 +2719,7 @@ size_t parse(void *closure, const void *hd, const char *buf, size_t size, %% write exec; if (p != pe) { - upb_status_seterrf(&parser->status, "Parse error at '%.*s'\n", pe - p, p); - upb_env_reporterror(parser->env, &parser->status); + upb_status_seterrf(parser->status, "Parse error at '%.*s'\n", pe - p, p); } else { capture_suspend(parser, &p); } @@ -2812,110 +2770,78 @@ static void json_parser_reset(upb_json_parser *p) { p->multipart_state = MULTIPART_INACTIVE; p->capture = NULL; p->accumulated = NULL; - upb_status_clear(&p->status); -} - -static void visit_json_parsermethod(const upb_refcounted *r, - upb_refcounted_visit *visit, - void *closure) { - const upb_json_parsermethod *method = (upb_json_parsermethod*)r; - visit(r, upb_msgdef_upcast2(method->msg), closure); } -static void free_json_parsermethod(upb_refcounted *r) { - upb_json_parsermethod *method = (upb_json_parsermethod*)r; +static upb_json_parsermethod *parsermethod_new(upb_json_codecache *c, + const upb_msgdef *md) { + upb_msg_field_iter i; + upb_alloc *alloc = upb_arena_alloc(c->arena); - upb_inttable_iter i; - upb_inttable_begin(&i, &method->name_tables); - for(; !upb_inttable_done(&i); upb_inttable_next(&i)) { - upb_value val = upb_inttable_iter_value(&i); - upb_strtable *t = upb_value_getptr(val); - upb_strtable_uninit(t); - upb_gfree(t); - } + upb_json_parsermethod *m = upb_malloc(alloc, sizeof(*m)); - upb_inttable_uninit(&method->name_tables); + m->cache = c; - upb_gfree(r); -} + upb_byteshandler_init(&m->input_handler_); + upb_byteshandler_setstring(&m->input_handler_, parse, m); + upb_byteshandler_setendstr(&m->input_handler_, end, m); -static void add_jsonname_table(upb_json_parsermethod *m, const upb_msgdef* md) { - upb_msg_field_iter i; - upb_strtable *t; + upb_strtable_init2(&m->name_table, UPB_CTYPE_CONSTPTR, alloc); - /* It would be nice to stack-allocate this, but protobufs do not limit the - * length of fields to any reasonable limit. */ - char *buf = NULL; - size_t len = 0; - - if (upb_inttable_lookupptr(&m->name_tables, md, NULL)) { - return; - } - - /* TODO(haberman): handle malloc failure. */ - t = upb_gmalloc(sizeof(*t)); - upb_strtable_init(t, UPB_CTYPE_CONSTPTR); - upb_inttable_insertptr(&m->name_tables, md, upb_value_ptr(t)); + /* Build name_table */ for(upb_msg_field_begin(&i, md); !upb_msg_field_done(&i); upb_msg_field_next(&i)) { const upb_fielddef *f = upb_msg_iter_field(&i); + upb_value v = upb_value_constptr(f); + char *buf; /* Add an entry for the JSON name. */ - size_t field_len = upb_fielddef_getjsonname(f, buf, len); - if (field_len > len) { - size_t len2; - buf = upb_grealloc(buf, 0, field_len); - len = field_len; - len2 = upb_fielddef_getjsonname(f, buf, len); - UPB_ASSERT(len == len2); - } - upb_strtable_insert(t, buf, upb_value_constptr(f)); + size_t len = upb_fielddef_getjsonname(f, NULL, 0); + buf = upb_malloc(alloc, len); + upb_fielddef_getjsonname(f, buf, len); + upb_strtable_insert3(&m->name_table, buf, strlen(buf), v, alloc); if (strcmp(buf, upb_fielddef_name(f)) != 0) { /* Since the JSON name is different from the regular field name, add an * entry for the raw name (compliant proto3 JSON parsers must accept * both). */ - upb_strtable_insert(t, upb_fielddef_name(f), upb_value_constptr(f)); - } - - if (upb_fielddef_issubmsg(f)) { - add_jsonname_table(m, upb_fielddef_msgsubdef(f)); + const char *name = upb_fielddef_name(f); + upb_strtable_insert3(&m->name_table, name, strlen(name), v, alloc); } } - upb_gfree(buf); + return m; } /* Public API *****************************************************************/ -upb_json_parser *upb_json_parser_create(upb_env *env, +upb_json_parser *upb_json_parser_create(upb_arena *arena, const upb_json_parsermethod *method, const upb_symtab* symtab, - upb_sink *output, + upb_sink output, + upb_status *status, bool ignore_json_unknown) { #ifndef NDEBUG - const size_t size_before = upb_env_bytesallocated(env); + const size_t size_before = upb_arena_bytesallocated(arena); #endif - upb_json_parser *p = upb_env_malloc(env, sizeof(upb_json_parser)); + upb_json_parser *p = upb_arena_malloc(arena, sizeof(upb_json_parser)); if (!p) return false; - p->env = env; + p->arena = arena; p->method = method; + p->status = status; p->limit = p->stack + UPB_JSON_MAX_DEPTH; p->accumulate_buf = NULL; p->accumulate_buf_size = 0; upb_bytessink_reset(&p->input_, &method->input_handler_, p); json_parser_reset(p); - upb_sink_reset(&p->top->sink, output->handlers, output->closure); - p->top->m = upb_handlers_msgdef(output->handlers); + p->top->sink = output; + p->top->m = upb_handlers_msgdef(output.handlers); if (is_wellknown_msg(p, UPB_WELLKNOWN_ANY)) { p->top->is_any = true; - p->top->any_frame = - upb_env_malloc(p->env, sizeof(upb_jsonparser_any_frame)); - json_parser_any_frame_reset(p->top->any_frame); + p->top->any_frame = json_parser_any_frame_new(p); } else { p->top->is_any = false; p->top->any_frame = NULL; @@ -2926,38 +2852,72 @@ upb_json_parser *upb_json_parser_create(upb_env *env, p->ignore_json_unknown = ignore_json_unknown; /* If this fails, uncomment and increase the value in parser.h. */ - /* fprintf(stderr, "%zd\n", upb_env_bytesallocated(env) - size_before); */ - UPB_ASSERT_DEBUGVAR(upb_env_bytesallocated(env) - size_before <= + /* fprintf(stderr, "%zd\n", upb_arena_bytesallocated(arena) - size_before); */ + UPB_ASSERT_DEBUGVAR(upb_arena_bytesallocated(arena) - size_before <= UPB_JSON_PARSER_SIZE); return p; } -upb_bytessink *upb_json_parser_input(upb_json_parser *p) { - return &p->input_; +upb_bytessink upb_json_parser_input(upb_json_parser *p) { + return p->input_; } -upb_json_parsermethod *upb_json_parsermethod_new(const upb_msgdef* md, - const void* owner) { - static const struct upb_refcounted_vtbl vtbl = {visit_json_parsermethod, - free_json_parsermethod}; - upb_json_parsermethod *ret = upb_gmalloc(sizeof(*ret)); - upb_refcounted_init(upb_json_parsermethod_upcast_mutable(ret), &vtbl, owner); +const upb_byteshandler *upb_json_parsermethod_inputhandler( + const upb_json_parsermethod *m) { + return &m->input_handler_; +} - ret->msg = md; - upb_ref2(md, ret); +upb_json_codecache *upb_json_codecache_new() { + upb_alloc *alloc; + upb_json_codecache *c; - upb_byteshandler_init(&ret->input_handler_); - upb_byteshandler_setstring(&ret->input_handler_, parse, ret); - upb_byteshandler_setendstr(&ret->input_handler_, end, ret); + c = upb_gmalloc(sizeof(*c)); - upb_inttable_init(&ret->name_tables, UPB_CTYPE_PTR); + c->arena = upb_arena_new(); + alloc = upb_arena_alloc(c->arena); - add_jsonname_table(ret, md); + upb_inttable_init2(&c->methods, UPB_CTYPE_CONSTPTR, alloc); - return ret; + return c; } -const upb_byteshandler *upb_json_parsermethod_inputhandler( - const upb_json_parsermethod *m) { - return &m->input_handler_; +void upb_json_codecache_free(upb_json_codecache *c) { + upb_arena_free(c->arena); + upb_gfree(c); +} + +const upb_json_parsermethod *upb_json_codecache_get(upb_json_codecache *c, + const upb_msgdef *md) { + upb_json_parsermethod *m; + upb_value v; + upb_msg_field_iter i; + upb_alloc *alloc = upb_arena_alloc(c->arena); + + if (upb_inttable_lookupptr(&c->methods, md, &v)) { + return upb_value_getconstptr(v); + } + + m = parsermethod_new(c, md); + v = upb_value_constptr(m); + + if (!m) return NULL; + if (!upb_inttable_insertptr2(&c->methods, md, v, alloc)) return NULL; + + /* Populate parser methods for all submessages, so the name tables will + * be available during parsing. */ + for(upb_msg_field_begin(&i, md); + !upb_msg_field_done(&i); + upb_msg_field_next(&i)) { + upb_fielddef *f = upb_msg_iter_field(&i); + + if (upb_fielddef_issubmsg(f)) { + const upb_msgdef *subdef = upb_fielddef_msgsubdef(f); + const upb_json_parsermethod *sub_method = + upb_json_codecache_get(c, subdef); + + if (!sub_method) return NULL; + } + } + + return m; } |