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authorchriseth <chris@ethereum.org>2018-12-04 23:26:38 +0800
committerchriseth <chris@ethereum.org>2018-12-06 21:32:04 +0800
commit4721cf332f0ca8af5fa16244c651cd6a635b3cdc (patch)
tree6542aee7f36e095ee402e1c5f8a12f79327b463c /libsolidity
parent0e8841005ca7bf93545a1bc76bd8fa0ed67cb32d (diff)
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Expose EthAssemblyAdapter.
Diffstat (limited to 'libsolidity')
-rw-r--r--libsolidity/codegen/AsmCodeGen.cpp188
-rw-r--r--libsolidity/codegen/AsmCodeGen.h31
2 files changed, 128 insertions, 91 deletions
diff --git a/libsolidity/codegen/AsmCodeGen.cpp b/libsolidity/codegen/AsmCodeGen.cpp
index 83dd08fb..4ca0c4e2 100644
--- a/libsolidity/codegen/AsmCodeGen.cpp
+++ b/libsolidity/codegen/AsmCodeGen.cpp
@@ -40,97 +40,103 @@ using namespace langutil;
using namespace yul;
using namespace dev::solidity;
-class EthAssemblyAdapter: public AbstractAssembly
-{
-public:
- explicit EthAssemblyAdapter(eth::Assembly& _assembly):
- m_assembly(_assembly)
- {
- }
- virtual void setSourceLocation(SourceLocation const& _location) override
- {
- m_assembly.setSourceLocation(_location);
- }
- virtual int stackHeight() const override { return m_assembly.deposit(); }
- virtual void appendInstruction(solidity::Instruction _instruction) override
- {
- m_assembly.append(_instruction);
- }
- virtual void appendConstant(u256 const& _constant) override
- {
- m_assembly.append(_constant);
- }
- /// Append a label.
- virtual void appendLabel(LabelID _labelId) override
- {
- m_assembly.append(eth::AssemblyItem(eth::Tag, _labelId));
- }
- /// Append a label reference.
- virtual void appendLabelReference(LabelID _labelId) override
- {
- m_assembly.append(eth::AssemblyItem(eth::PushTag, _labelId));
- }
- virtual size_t newLabelId() override
- {
- return assemblyTagToIdentifier(m_assembly.newTag());
- }
- virtual size_t namedLabel(std::string const& _name) override
- {
- return assemblyTagToIdentifier(m_assembly.namedTag(_name));
- }
- virtual void appendLinkerSymbol(std::string const& _linkerSymbol) override
- {
- m_assembly.appendLibraryAddress(_linkerSymbol);
- }
- virtual void appendJump(int _stackDiffAfter) override
- {
- appendInstruction(solidity::Instruction::JUMP);
- m_assembly.adjustDeposit(_stackDiffAfter);
- }
- virtual void appendJumpTo(LabelID _labelId, int _stackDiffAfter) override
- {
- appendLabelReference(_labelId);
- appendJump(_stackDiffAfter);
- }
- virtual void appendJumpToIf(LabelID _labelId) override
- {
- appendLabelReference(_labelId);
- appendInstruction(solidity::Instruction::JUMPI);
- }
- virtual void appendBeginsub(LabelID, int) override
- {
- // TODO we could emulate that, though
- solAssert(false, "BEGINSUB not implemented for EVM 1.0");
- }
- /// Call a subroutine.
- virtual void appendJumpsub(LabelID, int, int) override
- {
- // TODO we could emulate that, though
- solAssert(false, "JUMPSUB not implemented for EVM 1.0");
- }
-
- /// Return from a subroutine.
- virtual void appendReturnsub(int, int) override
- {
- // TODO we could emulate that, though
- solAssert(false, "RETURNSUB not implemented for EVM 1.0");
- }
-
- virtual void appendAssemblySize() override
- {
- m_assembly.appendProgramSize();
- }
-
-private:
- static LabelID assemblyTagToIdentifier(eth::AssemblyItem const& _tag)
- {
- u256 id = _tag.data();
- solAssert(id <= std::numeric_limits<LabelID>::max(), "Tag id too large.");
- return LabelID(id);
- }
-
- eth::Assembly& m_assembly;
-};
+EthAssemblyAdapter::EthAssemblyAdapter(eth::Assembly& _assembly):
+ m_assembly(_assembly)
+{
+}
+
+void EthAssemblyAdapter::setSourceLocation(SourceLocation const& _location)
+{
+ m_assembly.setSourceLocation(_location);
+}
+
+int EthAssemblyAdapter::stackHeight() const
+{
+ return m_assembly.deposit();
+}
+
+void EthAssemblyAdapter::appendInstruction(solidity::Instruction _instruction)
+{
+ m_assembly.append(_instruction);
+}
+
+void EthAssemblyAdapter::appendConstant(u256 const& _constant)
+{
+ m_assembly.append(_constant);
+}
+
+void EthAssemblyAdapter::appendLabel(LabelID _labelId)
+{
+ m_assembly.append(eth::AssemblyItem(eth::Tag, _labelId));
+}
+
+void EthAssemblyAdapter::appendLabelReference(LabelID _labelId)
+{
+ m_assembly.append(eth::AssemblyItem(eth::PushTag, _labelId));
+}
+
+size_t EthAssemblyAdapter::newLabelId()
+{
+ return assemblyTagToIdentifier(m_assembly.newTag());
+}
+
+size_t EthAssemblyAdapter::namedLabel(std::string const& _name)
+{
+ return assemblyTagToIdentifier(m_assembly.namedTag(_name));
+}
+
+void EthAssemblyAdapter::appendLinkerSymbol(std::string const& _linkerSymbol)
+{
+ m_assembly.appendLibraryAddress(_linkerSymbol);
+}
+
+void EthAssemblyAdapter::appendJump(int _stackDiffAfter)
+{
+ appendInstruction(solidity::Instruction::JUMP);
+ m_assembly.adjustDeposit(_stackDiffAfter);
+}
+
+void EthAssemblyAdapter::appendJumpTo(LabelID _labelId, int _stackDiffAfter)
+{
+ appendLabelReference(_labelId);
+ appendJump(_stackDiffAfter);
+}
+
+void EthAssemblyAdapter::appendJumpToIf(LabelID _labelId)
+{
+ appendLabelReference(_labelId);
+ appendInstruction(solidity::Instruction::JUMPI);
+}
+
+void EthAssemblyAdapter::appendBeginsub(LabelID, int)
+{
+ // TODO we could emulate that, though
+ solAssert(false, "BEGINSUB not implemented for EVM 1.0");
+}
+
+void EthAssemblyAdapter::appendJumpsub(LabelID, int, int)
+{
+ // TODO we could emulate that, though
+ solAssert(false, "JUMPSUB not implemented for EVM 1.0");
+}
+
+void EthAssemblyAdapter::appendReturnsub(int, int)
+{
+ // TODO we could emulate that, though
+ solAssert(false, "RETURNSUB not implemented for EVM 1.0");
+}
+
+void EthAssemblyAdapter::appendAssemblySize()
+{
+ m_assembly.appendProgramSize();
+}
+
+EthAssemblyAdapter::LabelID EthAssemblyAdapter::assemblyTagToIdentifier(eth::AssemblyItem const& _tag)
+{
+ u256 id = _tag.data();
+ solAssert(id <= std::numeric_limits<LabelID>::max(), "Tag id too large.");
+ return LabelID(id);
+}
void CodeGenerator::assemble(
Block const& _parsedData,
diff --git a/libsolidity/codegen/AsmCodeGen.h b/libsolidity/codegen/AsmCodeGen.h
index dc529e10..b5bd33d5 100644
--- a/libsolidity/codegen/AsmCodeGen.h
+++ b/libsolidity/codegen/AsmCodeGen.h
@@ -21,6 +21,9 @@
#pragma once
#include <libyul/AsmAnalysis.h>
+#include <libyul/backends/evm/AbstractAssembly.h>
+
+#include <liblangutil/SourceLocation.h>
#include <functional>
@@ -34,11 +37,39 @@ namespace dev
namespace eth
{
class Assembly;
+class AssemblyItem;
}
namespace solidity
{
+class EthAssemblyAdapter: public yul::AbstractAssembly
+{
+public:
+ explicit EthAssemblyAdapter(eth::Assembly& _assembly);
+ void setSourceLocation(langutil::SourceLocation const& _location) override;
+ int stackHeight() const override;
+ void appendInstruction(solidity::Instruction _instruction) override;
+ void appendConstant(u256 const& _constant) override;
+ void appendLabel(LabelID _labelId) override;
+ void appendLabelReference(LabelID _labelId) override;
+ size_t newLabelId() override;
+ size_t namedLabel(std::string const& _name) override;
+ void appendLinkerSymbol(std::string const& _linkerSymbol) override;
+ void appendJump(int _stackDiffAfter) override;
+ void appendJumpTo(LabelID _labelId, int _stackDiffAfter) override;
+ void appendJumpToIf(LabelID _labelId) override;
+ void appendBeginsub(LabelID, int) override;
+ void appendJumpsub(LabelID, int, int) override;
+ void appendReturnsub(int, int) override;
+ void appendAssemblySize() override;
+
+private:
+ static LabelID assemblyTagToIdentifier(eth::AssemblyItem const& _tag);
+
+ eth::Assembly& m_assembly;
+};
+
class CodeGenerator
{
public: