Replace intptr_t with TokenDescriptor

runtime/vm/flow_graph_compiler_arm64.cc

Index: runtime/vm/flow_graph_compiler_arm64.cc
diff --git a/runtime/vm/flow_graph_compiler_arm64.cc b/runtime/vm/flow_graph_compiler_arm64.cc
index 6f76a03c1944aa5df82c8a3accd3551c85110169..b86c581e49e590e5fcd813bb4a469852fa6e9ffa 100644
--- a/runtime/vm/flow_graph_compiler_arm64.cc
+++ b/runtime/vm/flow_graph_compiler_arm64.cc
@@ -259,7 +259,7 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateCallSubtypeTestStub(
 // Clobbers R2.
 RawSubtypeTestCache*
 FlowGraphCompiler::GenerateInstantiatedTypeWithArgumentsTest(
-    intptr_t token_pos,
+    TokenPosition token_pos,
     const AbstractType& type,
     Label* is_instance_lbl,
     Label* is_not_instance_lbl) {
@@ -349,7 +349,7 @@ void FlowGraphCompiler::CheckClassIds(Register class_id_reg,
 // Clobbers R2, R3.
 // Returns true if there is a fallthrough.
 bool FlowGraphCompiler::GenerateInstantiatedTypeNoArgumentsTest(
-    intptr_t token_pos,
+    TokenPosition token_pos,
     const AbstractType& type,
     Label* is_instance_lbl,
     Label* is_not_instance_lbl) {
@@ -419,7 +419,7 @@ bool FlowGraphCompiler::GenerateInstantiatedTypeNoArgumentsTest(
 // arrays can grow too high, but they may be useful when optimizing
 // code (type-feedback).
 RawSubtypeTestCache* FlowGraphCompiler::GenerateSubtype1TestCacheLookup(
-    intptr_t token_pos,
+    TokenPosition token_pos,
     const Class& type_class,
     Label* is_instance_lbl,
     Label* is_not_instance_lbl) {
@@ -447,7 +447,7 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateSubtype1TestCacheLookup(
 // Generates inlined check if 'type' is a type parameter or type itself
 // R0: instance (preserved).
 RawSubtypeTestCache* FlowGraphCompiler::GenerateUninstantiatedTypeTest(
-    intptr_t token_pos,
+    TokenPosition token_pos,
     const AbstractType& type,
     Label* is_instance_lbl,
     Label* is_not_instance_lbl) {
@@ -530,7 +530,7 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateUninstantiatedTypeTest(
 // may fall through to it. Otherwise, this inline code will jump to the label
 // is_instance or to the label is_not_instance.
 RawSubtypeTestCache* FlowGraphCompiler::GenerateInlineInstanceof(
-    intptr_t token_pos,
+    TokenPosition token_pos,
     const AbstractType& type,
     Label* is_instance_lbl,
     Label* is_not_instance_lbl) {
@@ -583,7 +583,7 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateInlineInstanceof(
 // - R1: instantiator type arguments or raw_null.
 // Returns:
 // - true or false in R0.
-void FlowGraphCompiler::GenerateInstanceOf(intptr_t token_pos,
+void FlowGraphCompiler::GenerateInstanceOf(TokenPosition token_pos,
                                            intptr_t deopt_id,
                                            const AbstractType& type,
                                            bool negate_result,
@@ -663,12 +663,12 @@ void FlowGraphCompiler::GenerateInstanceOf(intptr_t token_pos,
 // - object in R0 for successful assignable check (or throws TypeError).
 // Performance notes: positive checks must be quick, negative checks can be slow
 // as they throw an exception.
-void FlowGraphCompiler::GenerateAssertAssignable(intptr_t token_pos,
+void FlowGraphCompiler::GenerateAssertAssignable(TokenPosition token_pos,
                                                  intptr_t deopt_id,
                                                  const AbstractType& dst_type,
                                                  const String& dst_name,
                                                  LocationSummary* locs) {
-  ASSERT(!Token::IsClassifying(token_pos));
+  ASSERT(!TokenPosition(token_pos).IsClassifying());
   ASSERT(!dst_type.IsNull());
   ASSERT(dst_type.IsFinalized());
   // Assignable check is skipped in FlowGraphBuilder, not here.
@@ -1132,7 +1132,7 @@ void FlowGraphCompiler::CompileGraph() {
 }
 
 
-void FlowGraphCompiler::GenerateCall(intptr_t token_pos,
+void FlowGraphCompiler::GenerateCall(TokenPosition token_pos,
                                      const StubEntry& stub_entry,
                                      RawPcDescriptors::Kind kind,
                                      LocationSummary* locs) {
@@ -1143,7 +1143,7 @@ void FlowGraphCompiler::GenerateCall(intptr_t token_pos,
 
 
 void FlowGraphCompiler::GenerateDartCall(intptr_t deopt_id,
-                                         intptr_t token_pos,
+                                         TokenPosition token_pos,
                                          const StubEntry& stub_entry,
                                          RawPcDescriptors::Kind kind,
                                          LocationSummary* locs) {
@@ -1163,7 +1163,7 @@ void FlowGraphCompiler::GenerateDartCall(intptr_t deopt_id,
 }
 
 
-void FlowGraphCompiler::GenerateRuntimeCall(intptr_t token_pos,
+void FlowGraphCompiler::GenerateRuntimeCall(TokenPosition token_pos,
                                             intptr_t deopt_id,
                                             const RuntimeEntry& entry,
                                             intptr_t argument_count,
@@ -1207,7 +1207,7 @@ void FlowGraphCompiler::EmitOptimizedInstanceCall(
     const ICData& ic_data,
     intptr_t argument_count,
     intptr_t deopt_id,
-    intptr_t token_pos,
+    TokenPosition token_pos,
     LocationSummary* locs) {
   ASSERT(Array::Handle(zone(), ic_data.arguments_descriptor()).Length() > 0);
   // Each ICData propagated from unoptimized to optimized code contains the
@@ -1232,7 +1232,7 @@ void FlowGraphCompiler::EmitInstanceCall(const StubEntry& stub_entry,
                                          const ICData& ic_data,
                                          intptr_t argument_count,
                                          intptr_t deopt_id,
-                                         intptr_t token_pos,
+                                         TokenPosition token_pos,
                                          LocationSummary* locs) {
   ASSERT(Array::Handle(zone(), ic_data.arguments_descriptor()).Length() > 0);
   __ LoadUniqueObject(R5, ic_data);
@@ -1249,7 +1249,7 @@ void FlowGraphCompiler::EmitMegamorphicInstanceCall(
     const ICData& ic_data,
     intptr_t argument_count,
     intptr_t deopt_id,
-    intptr_t token_pos,
+    TokenPosition token_pos,
     LocationSummary* locs,
     intptr_t try_index) {
   const String& name = String::Handle(zone(), ic_data.target_name());
@@ -1301,7 +1301,7 @@ void FlowGraphCompiler::EmitSwitchableInstanceCall(
     const ICData& ic_data,
     intptr_t argument_count,
     intptr_t deopt_id,
-    intptr_t token_pos,
+    TokenPosition token_pos,
     LocationSummary* locs) {
   __ Comment("SwitchableCall");
   __ LoadFromOffset(R0, SP, (argument_count - 1) * kWordSize);
@@ -1340,7 +1340,7 @@ void FlowGraphCompiler::EmitSwitchableInstanceCall(
 void FlowGraphCompiler::EmitUnoptimizedStaticCall(
     intptr_t argument_count,
     intptr_t deopt_id,
-    intptr_t token_pos,
+    TokenPosition token_pos,
     LocationSummary* locs,
     const ICData& ic_data) {
   const StubEntry* stub_entry =
@@ -1360,7 +1360,7 @@ void FlowGraphCompiler::EmitOptimizedStaticCall(
     const Array& arguments_descriptor,
     intptr_t argument_count,
     intptr_t deopt_id,
-    intptr_t token_pos,
+    TokenPosition token_pos,
     LocationSummary* locs) {
   __ LoadObject(R4, arguments_descriptor);
   // Do not use the code from the function, but let the code be patched so that
@@ -1379,7 +1379,7 @@ Condition FlowGraphCompiler::EmitEqualityRegConstCompare(
     Register reg,
     const Object& obj,
     bool needs_number_check,
-    intptr_t token_pos) {
+    TokenPosition token_pos) {
   if (needs_number_check) {
     ASSERT(!obj.IsMint() && !obj.IsDouble() && !obj.IsBigint());
     __ Push(reg);
@@ -1391,7 +1391,7 @@ Condition FlowGraphCompiler::EmitEqualityRegConstCompare(
       __ BranchLinkPatchable(
           *StubCode::UnoptimizedIdenticalWithNumberCheck_entry());
     }
-    if (token_pos >= 0) {
+    if (token_pos.IsReal()) {
       AddCurrentDescriptor(RawPcDescriptors::kRuntimeCall,
                            Thread::kNoDeoptId,
                            token_pos);
@@ -1406,10 +1406,11 @@ Condition FlowGraphCompiler::EmitEqualityRegConstCompare(
 }
 
 
-Condition FlowGraphCompiler::EmitEqualityRegRegCompare(Register left,
-                                                       Register right,
-                                                       bool needs_number_check,
-                                                       intptr_t token_pos) {
+Condition FlowGraphCompiler::EmitEqualityRegRegCompare(
+    Register left,
+    Register right,
+    bool needs_number_check,
+    TokenPosition token_pos) {
   if (needs_number_check) {
     __ Push(left);
     __ Push(right);
@@ -1420,7 +1421,7 @@ Condition FlowGraphCompiler::EmitEqualityRegRegCompare(Register left,
       __ BranchLinkPatchable(
           *StubCode::UnoptimizedIdenticalWithNumberCheck_entry());
     }
-    if (token_pos >= 0) {
+    if (token_pos.IsReal()) {
       AddCurrentDescriptor(RawPcDescriptors::kRuntimeCall,
                            Thread::kNoDeoptId,
                            token_pos);
@@ -1509,7 +1510,7 @@ void FlowGraphCompiler::EmitTestAndCall(const ICData& ic_data,
                                         Label* failed,
                                         Label* match_found,
                                         intptr_t deopt_id,
-                                        intptr_t token_index,
+                                        TokenPosition token_index,
                                         LocationSummary* locs) {
   ASSERT(is_optimizing());