[stringrefs] Rename stringview_iter.cur to stringview_iter.next

See https://github.com/WebAssembly/stringref/pull/29.

Bug: v8:12868
Change-Id: I5a1e3662a7c3457c6835d7dfccf3a1583ef49f2a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3747873
Commit-Queue: Andy Wingo <wingo@igalia.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81570}

src/wasm/baseline/liftoff-compiler.cc

@@ -6614,8 +6614,8 @@ class LiftoffCompiler {
     UNIMPLEMENTED();
   }
 
-  void StringViewIterCur(FullDecoder* decoder, const Value& view,
-                         Value* result) {
+  void StringViewIterNext(FullDecoder* decoder, const Value& view,
+                          Value* result) {
     UNIMPLEMENTED();
   }
 

src/wasm/function-body-decoder-impl.h

@@ -1197,7 +1197,7 @@ struct ControlBase : public PcForErrors<validate> {
   F(StringViewWtf16Slice, const Value& view, const Value& start,               \
     const Value& end, Value* result)                                           \
   F(StringAsIter, const Value& str, Value* result)                             \
-  F(StringViewIterCur, const Value& view, Value* result)                       \
+  F(StringViewIterNext, const Value& view, Value* result)                      \
   F(StringViewIterAdvance, const Value& view, const Value& codepoints,         \
     Value* result)                                                             \
   F(StringViewIterRewind, const Value& view, const Value& codepoints,          \
@@ -2177,7 +2177,7 @@ class WasmDecoder : public Decoder {
           case kExprStringViewWtf16GetCodeUnit:
           case kExprStringViewWtf16Slice:
           case kExprStringAsIter:
-          case kExprStringViewIterCur:
+          case kExprStringViewIterNext:
           case kExprStringViewIterAdvance:
           case kExprStringViewIterRewind:
           case kExprStringViewIterSlice:
@@ -2391,7 +2391,7 @@ class WasmDecoder : public Decoder {
           case kExprStringAsWtf16:
           case kExprStringAsIter:
           case kExprStringViewWtf16Length:
-          case kExprStringViewIterCur:
+          case kExprStringViewIterNext:
             return { 1, 1 };
           case kExprStringNewWtf8:
           case kExprStringNewWtf16:
@@ -5459,11 +5459,11 @@ class WasmFullDecoder : public WasmDecoder<validate, decoding_mode> {
         Push(result);
         return opcode_length;
       }
-      case kExprStringViewIterCur: {
+      case kExprStringViewIterNext: {
         NON_CONST_ONLY
         Value view = Peek(0, 0, kWasmStringViewIter);
         Value result = CreateValue(kWasmI32);
-        CALL_INTERFACE_IF_OK_AND_REACHABLE(StringViewIterCur, view, &result);
+        CALL_INTERFACE_IF_OK_AND_REACHABLE(StringViewIterNext, view, &result);
         Drop(view);
         Push(result);
         return opcode_length;

src/wasm/graph-builder-interface.cc

@@ -1533,8 +1533,8 @@ class WasmGraphBuildingInterface {
     UNIMPLEMENTED();
   }
 
-  void StringViewIterCur(FullDecoder* decoder, const Value& view,
-                         Value* result) {
+  void StringViewIterNext(FullDecoder* decoder, const Value& view,
+                          Value* result) {
     UNIMPLEMENTED();
   }
 

src/wasm/wasm-opcodes.h

@@ -757,7 +757,7 @@ bool V8_EXPORT_PRIVATE IsJSCompatibleSignature(const FunctionSig* sig,
   V(StringViewWtf16Encode, 0xfb9b, _, "stringview_wtf16.encode")               \
   V(StringViewWtf16Slice, 0xfb9c, _, "stringview_wtf16.slice")                 \
   V(StringAsIter, 0xfba0, _, "string.as_iter")                                 \
-  V(StringViewIterCur, 0xfba1, _, "stringview_iter.cur")                       \
+  V(StringViewIterNext, 0xfba1, _, "stringview_iter.next")                     \
   V(StringViewIterAdvance, 0xfba2, _, "stringview_iter.advance")               \
   V(StringViewIterRewind, 0xfba3, _, "stringview_iter.rewind")                 \
   V(StringViewIterSlice, 0xfba4, _, "stringview_iter.slice")                   \

test/mjsunit/wasm/stringrefs-valid.js

@@ -233,10 +233,10 @@ let kSig_w_zi = makeSig([kWasmStringViewIter, kWasmI32],
       kGCPrefix, kExprStringAsIter
     ]);
 
-  builder.addFunction("stringview_iter.cur", kSig_i_z)
+  builder.addFunction("stringview_iter.next", kSig_i_z)
     .addBody([
       kExprLocalGet, 0,
-      kGCPrefix, kExprStringViewIterCur
+      kGCPrefix, kExprStringViewIterNext
     ]);
 
   builder.addFunction("stringview_iter.advance", kSig_i_zi)

test/mjsunit/wasm/wasm-module-builder.js

@@ -553,7 +553,7 @@ let kExprStringViewWtf16GetCodeunit = 0x9a;
 let kExprStringViewWtf16Encode = 0x9b;
 let kExprStringViewWtf16Slice = 0x9c;
 let kExprStringAsIter = 0xa0;
-let kExprStringViewIterCur = 0xa1
+let kExprStringViewIterNext = 0xa1
 let kExprStringViewIterAdvance = 0xa2;
 let kExprStringViewIterRewind = 0xa3
 let kExprStringViewIterSlice = 0xa4;