consolidate some general parsing functions into upb/lex/

There are several other functions which might eventually end up here and ideally become unified across json/ and text/ and io/ so this is just a first step to create the new subdir and get rid of upb/internal/

PiperOrigin-RevId: 488954926

BUILD

@@ -114,10 +114,8 @@ cc_library(
     srcs = [
         "upb/collections/map_sorter_internal.h",
         "upb/collections/message_value.h",
-        "upb/internal/unicode.h",
         "upb/msg.c",
         "upb/msg_internal.h",
-        "upb/upb.c",
         "upb/wire/decode.c",
         "upb/wire/encode.c",
         "upb/wire/swap_internal.h",
@@ -152,9 +150,9 @@ cc_library(
         ":extension_registry",
         ":fastdecode",
         ":hash",
+        ":lex",
         ":mem",
         ":port",
-        ":unicode_internal",
         ":wire_internal",
     ],
 )
@@ -571,9 +569,9 @@ cc_library(
     visibility = ["//visibility:public"],
     deps = [
         ":collections_internal",
+        ":lex",
         ":port",
         ":reflection",
-        ":wire_internal",
     ],
 )
 
@@ -594,13 +592,11 @@ cc_library(
     copts = UPB_DEFAULT_COPTS,
     visibility = ["//visibility:public"],
     deps = [
-        ":atoi_internal",
         ":collections",
+        ":lex",
         ":port",
         ":reflection",
-        ":unicode_internal",
         ":upb",
-        ":wire_internal",
     ],
 )
 
@@ -812,10 +808,10 @@ upb_proto_reflection_library(
 
 cc_test(
     name = "atoi_test",
-    srcs = ["upb/internal/atoi_test.cc"],
+    srcs = ["upb/lex/atoi_test.cc"],
     copts = UPB_DEFAULT_CPPOPTS,
     deps = [
-        ":atoi_internal",
+        ":lex",
         "@com_google_absl//absl/strings",
         "@com_google_googletest//:gtest_main",
     ],
@@ -1022,15 +1018,6 @@ cc_library(
     deps = [":port"],
 )
 
-cc_library(
-    name = "atoi_internal",
-    srcs = ["upb/internal/atoi.c"],
-    hdrs = ["upb/internal/atoi.h"],
-    copts = UPB_DEFAULT_COPTS,
-    visibility = ["//:__subpackages__"],
-    deps = [":port"],
-)
-
 cc_library(
     name = "wire_internal",
     srcs = [
@@ -1042,7 +1029,6 @@ cc_library(
     hdrs = [
         "upb/wire/common_internal.h",
         "upb/wire/decode_internal.h",
-        "upb/wire/encode_internal.h",
         "upb/wire/swap_internal.h",
     ],
     copts = UPB_DEFAULT_COPTS,
@@ -1077,12 +1063,18 @@ cc_library(
 )
 
 cc_library(
-    name = "unicode_internal",
+    name = "lex",
     srcs = [
-        "upb/internal/unicode.c",
+        "upb/lex/atoi.c",
+        "upb/lex/round_trip.c",
+        "upb/lex/strtod.c",
+        "upb/lex/unicode.c",
     ],
     hdrs = [
-        "upb/internal/unicode.h",
+        "upb/lex/atoi.h",
+        "upb/lex/round_trip.h",
+        "upb/lex/strtod.h",
+        "upb/lex/unicode.h",
     ],
     copts = UPB_DEFAULT_COPTS,
     visibility = ["//:__subpackages__"],
@@ -1100,13 +1092,13 @@ upb_amalgamation(
         "upb.h",
     ],
     libs = [
-        ":atoi_internal",
         ":base",
         ":collections_internal",
         ":descriptor_upb_proto",
         ":extension_registry",
         ":fastdecode",
         ":hash",
+        ":lex",
         ":mem_internal",
         ":mini_table",
         ":mini_table_accessors",
@@ -1134,7 +1126,6 @@ upb_amalgamation(
         "php-upb.h",
     ],
     libs = [
-        ":atoi_internal",
         ":base",
         ":collections_internal",
         ":descriptor_upb_proto",
@@ -1143,13 +1134,13 @@ upb_amalgamation(
         ":fastdecode",
         ":hash",
         ":json",
+        ":lex",
         ":mem_internal",
         ":mini_table",
         ":mini_table_accessors",
         ":port",
         ":reflection",
         ":reflection_internal",
-        ":unicode_internal",
         ":upb",
         ":wire_internal",
     ],
@@ -1173,7 +1164,6 @@ upb_amalgamation(
         "ruby-upb.h",
     ],
     libs = [
-        ":atoi_internal",
         ":base",
         ":collections_internal",
         ":descriptor_upb_proto",
@@ -1181,13 +1171,13 @@ upb_amalgamation(
         ":fastdecode",
         ":hash",
         ":json",
+        ":lex",
         ":mem_internal",
         ":mini_table",
         ":mini_table_accessors",
         ":port",
         ":reflection",
         ":reflection_internal",
-        ":unicode_internal",
         ":upb",
         ":wire_internal",
     ],

upb/io/BUILD

@@ -7,27 +7,17 @@ cc_library(
     ],
 )
 
-cc_library(
-    name = "strtod",
-    srcs = ["strtod.c"],
-    hdrs = ["strtod.h"],
-    deps = [
-        "//:port",
-    ],
-)
-
 cc_library(
     name = "tokenizer",
     srcs = ["tokenizer.c"],
     hdrs = ["tokenizer.h"],
     deps = [
         ":string",
-        ":strtod",
         ":zero_copy_stream",
         "//:base",
+        "//:lex",
         "//:mem",
         "//:port",
-        "//:unicode_internal",
     ],
 )
 
@@ -87,8 +77,8 @@ cc_test(
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
         "//:upb",
+        "//:lex",
         "//:port",
-        "//:unicode_internal",
         "@com_google_googletest//:gtest_main",
     ],
 )

upb/io/tokenizer.c

@@ -27,9 +27,9 @@
 
 #include "upb/io/tokenizer.h"
 
-#include "upb/internal/unicode.h"
 #include "upb/io/string.h"
-#include "upb/io/strtod.h"
+#include "upb/lex/strtod.h"
+#include "upb/lex/unicode.h"
 
 // Must be included last.
 #include "upb/port/def.inc"
@@ -782,7 +782,7 @@ bool upb_Parse_Integer(const char* text, uint64_t max_value, uint64_t* output) {
 
 double upb_Parse_Float(const char* text) {
   char* end;
-  double result = NoLocaleStrtod(text, &end);
+  double result = _upb_NoLocaleStrtod(text, &end);
 
   // "1e" is not a valid float, but if the tokenizer reads it, it will
   // report an error but still return it as a valid token.  We need to

upb/io/tokenizer_test.cc

@@ -30,9 +30,9 @@
 #include "gtest/gtest.h"
 #include "absl/strings/escaping.h"
 #include "absl/strings/str_format.h"
-#include "upb/internal/unicode.h"
 #include "upb/io/chunked_input_stream.h"
 #include "upb/io/string.h"
+#include "upb/lex/unicode.h"
 #include "upb/upb.hpp"
 
 // Must be last.

upb/json/decode.c

@@ -36,8 +36,8 @@
 #include <string.h>
 
 #include "upb/collections/map.h"
-#include "upb/internal/atoi.h"
-#include "upb/internal/unicode.h"
+#include "upb/lex/atoi.h"
+#include "upb/lex/unicode.h"
 #include "upb/reflection/message.h"
 #include "upb/wire/encode.h"
 

upb/json/encode.c

@@ -35,10 +35,10 @@
 #include <string.h>
 
 #include "upb/collections/map.h"
+#include "upb/lex/round_trip.h"
 #include "upb/port/vsnprintf_compat.h"
 #include "upb/reflection/message.h"
 #include "upb/wire/decode.h"
-#include "upb/wire/encode_internal.h"
 
 // Must be last.
 #include "upb/port/def.inc"

upb/lex/atoi.c

@@ -25,7 +25,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "upb/internal/atoi.h"
+#include "upb/lex/atoi.h"
 
 // Must be last.
 #include "upb/port/def.inc"

upb/lex/atoi.h

@@ -25,8 +25,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef UPB_INTERNAL_ATOI_H_
-#define UPB_INTERNAL_ATOI_H_
+#ifndef UPB_LEX_ATOI_H_
+#define UPB_LEX_ATOI_H_
 
 // Must be last.
 #include "upb/port/def.inc"
@@ -50,4 +50,4 @@ const char* upb_BufToInt64(const char* ptr, const char* end, int64_t* val,
 
 #include "upb/port/undef.inc"
 
-#endif /* UPB_INTERNAL_ATOI_H_ */
+#endif /* UPB_LEX_ATOI_H_ */

upb/lex/atoi_test.cc

@@ -25,7 +25,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "upb/internal/atoi.h"
+#include "upb/lex/atoi.h"
 
 #include "gtest/gtest.h"
 #include "absl/strings/str_cat.h"

upb/lex/round_trip.c

@@ -25,11 +25,11 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "upb/lex/round_trip.h"
+
 #include <float.h>
 #include <stdlib.h>
 
-#include "upb/wire/encode_internal.h"
-
 // Must be last.
 #include "upb/port/def.inc"
 

upb/lex/round_trip.h

@@ -25,23 +25,24 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef UPB_WIRE_ENCODE_INTERNAL_H_
-#define UPB_WIRE_ENCODE_INTERNAL_H_
+#ifndef UPB_LEX_ROUND_TRIP_H_
+#define UPB_LEX_ROUND_TRIP_H_
 
 // Must be last.
 #include "upb/port/def.inc"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 // Encodes a float or double that is round-trippable, but as short as possible.
 // These routines are not fully optimal (not guaranteed to be shortest), but are
 // short-ish and match the implementation that has been used in protobuf since
 // the beginning.
-//
+
 // The given buffer size must be at least kUpb_RoundTripBufferSize.
 enum { kUpb_RoundTripBufferSize = 32 };
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 void _upb_EncodeRoundTripDouble(double val, char* buf, size_t size);
 void _upb_EncodeRoundTripFloat(float val, char* buf, size_t size);
 
@@ -51,4 +52,4 @@ void _upb_EncodeRoundTripFloat(float val, char* buf, size_t size);
 
 #include "upb/port/undef.inc"
 
-#endif /* UPB_WIRE_ENCODE_INTERNAL_H_ */
+#endif /* UPB_LEX_ROUND_TRIP_H_ */

upb/lex/strtod.c

@@ -25,7 +25,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "upb/io/strtod.h"
+#include "upb/lex/strtod.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -63,7 +63,7 @@ static void LocalizeRadix(const char *input, const char *pos, char *output) {
   strcpy(output + len1 + len2, input + len1 + 1);
 }
 
-double NoLocaleStrtod(const char *str, char **endptr) {
+double _upb_NoLocaleStrtod(const char *str, char **endptr) {
   // We cannot simply set the locale to "C" temporarily with setlocale()
   // as this is not thread-safe.  Instead, we try to parse in the current
   // locale first.  If parsing stops at a '.' character, then this is a

upb/lex/strtod.h

@@ -25,8 +25,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef UPB_IO_STRTOD_H_
-#define UPB_IO_STRTOD_H_
+#ifndef UPB_LEX_STRTOD_H_
+#define UPB_LEX_STRTOD_H_
 
 // Must be last.
 #include "upb/port/def.inc"
@@ -35,7 +35,7 @@
 extern "C" {
 #endif
 
-double NoLocaleStrtod(const char *str, char **endptr);
+double _upb_NoLocaleStrtod(const char *str, char **endptr);
 
 #ifdef __cplusplus
 } /* extern "C" */
@@ -43,4 +43,4 @@ double NoLocaleStrtod(const char *str, char **endptr);
 
 #include "upb/port/undef.inc"
 
-#endif /* UPB_IO_STRTOD_H_ */
+#endif /* UPB_LEX_STRTOD_H_ */

upb/lex/unicode.c

@@ -25,7 +25,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "upb/internal/unicode.h"
+#include "upb/lex/unicode.h"
 
 // Must be last.
 #include "upb/port/def.inc"

upb/lex/unicode.h

@@ -25,8 +25,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef UPB_INTERNAL_UNICODE_H_
-#define UPB_INTERNAL_UNICODE_H_
+#ifndef UPB_LEX_UNICODE_H_
+#define UPB_LEX_UNICODE_H_
 
 // Must be last.
 #include "upb/port/def.inc"
@@ -74,4 +74,4 @@ int upb_Unicode_ToUTF8(uint32_t cp, char* out);
 
 #include "upb/port/undef.inc"
 
-#endif /* UPB_INTERNAL_UNICODE_H_ */
+#endif /* UPB_LEX_UNICODE_H_ */

upb/text/encode.c

@@ -35,9 +35,9 @@
 
 #include "upb/collections/map.h"
 #include "upb/collections/map_sorter_internal.h"
+#include "upb/lex/round_trip.h"
 #include "upb/port/vsnprintf_compat.h"
 #include "upb/reflection/message.h"
-#include "upb/wire/encode_internal.h"
 
 // Must be last.
 #include "upb/port/def.inc"