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| 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 #include "vm/kernel_binary_flowgraph.h" |
| 6 |
| 7 #if !defined(DART_PRECOMPILED_RUNTIME) |
| 8 |
| 9 namespace dart { |
| 10 namespace kernel { |
| 11 |
| 12 Fragment StreamingFlowGraphBuilder::BuildAt(intptr_t kernel_offset) { |
| 13 reader_->set_offset(kernel_offset); |
| 14 |
| 15 uint8_t payload = 0; |
| 16 Tag tag = reader_->ReadTag(&payload); |
| 17 switch (tag) { |
| 18 // case kInvalidExpression: |
| 19 // return InvalidExpression::ReadFrom(reader_); |
| 20 // case kVariableGet: |
| 21 // return VariableGet::ReadFrom(reader_); |
| 22 // case kSpecializedVariableGet: |
| 23 // return VariableGet::ReadFrom(reader_, payload); |
| 24 // case kVariableSet: |
| 25 // return VariableSet::ReadFrom(reader_); |
| 26 // case kSpecializedVariableSet: |
| 27 // return VariableSet::ReadFrom(reader_, payload); |
| 28 // case kPropertyGet: |
| 29 // return PropertyGet::ReadFrom(reader_); |
| 30 // case kPropertySet: |
| 31 // return PropertySet::ReadFrom(reader_); |
| 32 // case kDirectPropertyGet: |
| 33 // return DirectPropertyGet::ReadFrom(reader_); |
| 34 // case kDirectPropertySet: |
| 35 // return DirectPropertySet::ReadFrom(reader_); |
| 36 // case kStaticGet: |
| 37 // return StaticGet::ReadFrom(reader_); |
| 38 // case kStaticSet: |
| 39 // return StaticSet::ReadFrom(reader_); |
| 40 // case kMethodInvocation: |
| 41 // return MethodInvocation::ReadFrom(reader_); |
| 42 // case kDirectMethodInvocation: |
| 43 // return DirectMethodInvocation::ReadFrom(reader_); |
| 44 // case kStaticInvocation: |
| 45 // return StaticInvocation::ReadFrom(reader_, false); |
| 46 // case kConstStaticInvocation: |
| 47 // return StaticInvocation::ReadFrom(reader_, true); |
| 48 // case kConstructorInvocation: |
| 49 // return ConstructorInvocation::ReadFrom(reader_, false); |
| 50 // case kConstConstructorInvocation: |
| 51 // return ConstructorInvocation::ReadFrom(reader_, true); |
| 52 // case kNot: |
| 53 // return Not::ReadFrom(reader_); |
| 54 // case kLogicalExpression: |
| 55 // return LogicalExpression::ReadFrom(reader_); |
| 56 // case kConditionalExpression: |
| 57 // return ConditionalExpression::ReadFrom(reader_); |
| 58 // case kStringConcatenation: |
| 59 // return StringConcatenation::ReadFrom(reader_); |
| 60 // case kIsExpression: |
| 61 // return IsExpression::ReadFrom(reader_); |
| 62 // case kAsExpression: |
| 63 // return AsExpression::ReadFrom(reader_); |
| 64 // case kSymbolLiteral: |
| 65 // return SymbolLiteral::ReadFrom(reader_); |
| 66 // case kTypeLiteral: |
| 67 // return TypeLiteral::ReadFrom(reader_); |
| 68 // case kThisExpression: |
| 69 // return ThisExpression::ReadFrom(reader_); |
| 70 case kRethrow: |
| 71 return BuildRethrow(); |
| 72 // case kThrow: |
| 73 // return Throw::ReadFrom(reader_); |
| 74 // case kListLiteral: |
| 75 // return ListLiteral::ReadFrom(reader_, false); |
| 76 // case kConstListLiteral: |
| 77 // return ListLiteral::ReadFrom(reader_, true); |
| 78 // case kMapLiteral: |
| 79 // return MapLiteral::ReadFrom(reader_, false); |
| 80 // case kConstMapLiteral: |
| 81 // return MapLiteral::ReadFrom(reader_, true); |
| 82 // case kAwaitExpression: |
| 83 // return AwaitExpression::ReadFrom(reader_); |
| 84 // case kFunctionExpression: |
| 85 // return FunctionExpression::ReadFrom(reader_); |
| 86 // case kLet: |
| 87 // return Let::ReadFrom(reader_); |
| 88 // case kBigIntLiteral: |
| 89 // return BigintLiteral::ReadFrom(reader_); |
| 90 // case kStringLiteral: |
| 91 // return StringLiteral::ReadFrom(reader_); |
| 92 // case kSpecialIntLiteral: |
| 93 // return IntLiteral::ReadFrom(reader_, payload); |
| 94 // case kNegativeIntLiteral: |
| 95 // return IntLiteral::ReadFrom(reader_, true); |
| 96 // case kPositiveIntLiteral: |
| 97 // return IntLiteral::ReadFrom(reader_, false); |
| 98 // case kDoubleLiteral: |
| 99 // return DoubleLiteral::ReadFrom(reader_); |
| 100 // case kTrueLiteral: |
| 101 // return BoolLiteral::ReadFrom(reader_, true); |
| 102 // case kFalseLiteral: |
| 103 // return BoolLiteral::ReadFrom(reader_, false); |
| 104 // case kNullLiteral: |
| 105 // return NullLiteral::ReadFrom(reader_); |
| 106 default: |
| 107 UNREACHABLE(); |
| 108 } |
| 109 |
| 110 return Fragment(); |
| 111 } |
| 112 |
| 113 TokenPosition StreamingFlowGraphBuilder::ReadPosition(bool record) { |
| 114 return reader_->ReadPosition(record); |
| 115 } |
| 116 |
| 117 CatchBlock* StreamingFlowGraphBuilder::catch_block() { |
| 118 return flow_graph_builder_->catch_block_; |
| 119 } |
| 120 |
| 121 Fragment StreamingFlowGraphBuilder::DebugStepCheck(TokenPosition position) { |
| 122 return flow_graph_builder_->DebugStepCheck(position); |
| 123 } |
| 124 |
| 125 Fragment StreamingFlowGraphBuilder::LoadLocal(LocalVariable* variable) { |
| 126 return flow_graph_builder_->LoadLocal(variable); |
| 127 } |
| 128 |
| 129 Fragment StreamingFlowGraphBuilder::PushArgument() { |
| 130 return flow_graph_builder_->PushArgument(); |
| 131 } |
| 132 |
| 133 Fragment StreamingFlowGraphBuilder::RethrowException(TokenPosition position, |
| 134 int catch_try_index) { |
| 135 return flow_graph_builder_->RethrowException(position, catch_try_index); |
| 136 } |
| 137 |
| 138 Fragment StreamingFlowGraphBuilder::BuildRethrow() { |
| 139 TokenPosition position = ReadPosition(); |
| 140 Fragment instructions = DebugStepCheck(position); |
| 141 instructions += LoadLocal(catch_block()->exception_var()); |
| 142 instructions += PushArgument(); |
| 143 instructions += LoadLocal(catch_block()->stack_trace_var()); |
| 144 instructions += PushArgument(); |
| 145 instructions += RethrowException(position, catch_block()->catch_try_index()); |
| 146 |
| 147 return instructions; |
| 148 } |
| 149 |
| 150 } // namespace kernel |
| 151 } // namespace dart |
| 152 |
| 153 #endif // !defined(DART_PRECOMPILED_RUNTIME) |
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