diff --git a/teavm-core/src/main/java/org/teavm/cache/FileProgramCache.java b/teavm-core/src/main/java/org/teavm/cache/FileProgramCache.java new file mode 100644 index 000000000..f47676ecf --- /dev/null +++ b/teavm-core/src/main/java/org/teavm/cache/FileProgramCache.java @@ -0,0 +1,36 @@ +/* + * Copyright 2014 Alexey Andreev. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.teavm.cache; + +import org.teavm.model.MethodReference; +import org.teavm.model.Program; +import org.teavm.model.ProgramCache; + +/** + * + * @author Alexey Andreev + */ +public class FileProgramCache implements ProgramCache { + + @Override + public Program get(MethodReference method) { + return null; + } + + @Override + public void store(MethodReference method, Program program) { + } +} diff --git a/teavm-core/src/main/java/org/teavm/cache/FileSymbolTable.java b/teavm-core/src/main/java/org/teavm/cache/FileSymbolTable.java new file mode 100644 index 000000000..0e1a7f5a8 --- /dev/null +++ b/teavm-core/src/main/java/org/teavm/cache/FileSymbolTable.java @@ -0,0 +1,93 @@ +/* + * Copyright 2014 Alexey Andreev. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.teavm.cache; + +import java.io.*; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +/** + * + * @author Alexey Andreev + */ +public class FileSymbolTable implements SymbolTable { + private File file; + private List symbols = new ArrayList<>(); + private Map symbolMap = new HashMap<>(); + private int firstUnstoredIndex; + + public FileSymbolTable(File file) { + this.file = file; + } + + public void update() throws IOException { + symbols.clear(); + symbolMap.clear(); + firstUnstoredIndex = 0; + try (DataInputStream input = new DataInputStream(new FileInputStream(file))) { + while (true) { + int length = input.read(); + if (length == -1) { + break; + } + length = ((length & 0xFF) << 8) | (input.read() & 0xFF); + StringBuilder sb = new StringBuilder(); + for (int i = 0; i < length; ++i) { + sb.append(input.readChar()); + } + String symbol = sb.toString(); + symbolMap.put(symbol, symbols.size()); + symbols.add(symbol); + firstUnstoredIndex = symbols.size(); + } + } + } + + public void flush() throws IOException { + if (firstUnstoredIndex >= symbols.size()) { + return; + } + try (DataOutputStream output = new DataOutputStream(new FileOutputStream(file, true))) { + while (firstUnstoredIndex < symbols.size()) { + String symbol = symbols.get(firstUnstoredIndex); + output.writeByte((symbol.length() >> 8) & 0xFF); + output.writeByte(symbol.length() & 0xFF); + for (int i = 0; i < symbol.length(); ++i) { + output.writeChar(symbol.charAt(i)); + } + firstUnstoredIndex++; + } + } + } + + @Override + public String symbolAt(int index) { + return symbols.get(index); + } + + @Override + public int findSymbol(String symbol) { + Integer index = symbolMap.get(symbol); + if (index == null) { + index = symbols.size(); + symbolMap.put(symbol, index); + symbols.add(symbol); + } + return index; + } +} diff --git a/teavm-core/src/main/java/org/teavm/cache/ProgramIO.java b/teavm-core/src/main/java/org/teavm/cache/ProgramIO.java new file mode 100644 index 000000000..b8c8eea23 --- /dev/null +++ b/teavm-core/src/main/java/org/teavm/cache/ProgramIO.java @@ -0,0 +1,360 @@ +/* + * Copyright 2014 Alexey Andreev. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.teavm.cache; + +import java.io.DataOutput; +import java.io.DataOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import org.teavm.model.*; +import org.teavm.model.instructions.*; + +/** + * + * @author Alexey Andreev + */ +public class ProgramIO { + private SymbolTable symbolTable; + + public ProgramIO(SymbolTable symbolTable) { + this.symbolTable = symbolTable; + } + + public void write(Program program, OutputStream output) throws IOException { + DataOutput data = new DataOutputStream(output); + data.writeShort(program.variableCount()); + data.writeShort(program.basicBlockCount()); + for (int i = 0; i < program.variableCount(); ++i) { + Variable var = program.variableAt(i); + data.writeShort(var.getRegister()); + data.writeShort(var.getDebugNames().size()); + for (String debugString : var.getDebugNames()) { + data.writeUTF(debugString); + } + } + for (int i = 0; i < program.basicBlockCount(); ++i) { + BasicBlock basicBlock = program.basicBlockAt(i); + data.writeShort(basicBlock.getPhis().size()); + data.writeShort(basicBlock.getTryCatchBlocks().size()); + data.writeShort(basicBlock.getInstructions().size()); + for (Phi phi : basicBlock.getPhis()) { + data.writeShort(phi.getReceiver().getIndex()); + data.writeShort(phi.getIncomings().size()); + for (Incoming incoming : phi.getIncomings()) { + data.writeShort(incoming.getSource().getIndex()); + data.writeShort(incoming.getValue().getIndex()); + } + } + for (TryCatchBlock tryCatch : basicBlock.getTryCatchBlocks()) { + data.writeInt(tryCatch.getExceptionType() != null ? symbolTable.findSymbol( + tryCatch.getExceptionType()) : -1); + data.writeShort(tryCatch.getExceptionVariable() != null ? + tryCatch.getExceptionVariable().getIndex() : -1); + data.writeShort(tryCatch.getProtectedBlock().getIndex()); + data.writeShort(tryCatch.getHandler().getIndex()); + } + InstructionWriter insnWriter = new InstructionWriter(data); + for (Instruction insn : basicBlock.getInstructions()) { + try { + insn.acceptVisitor(insnWriter); + } catch (IOExceptionWrapper e) { + throw (IOException)e.getCause(); + } + } + } + } + + private class InstructionWriter implements InstructionVisitor { + private DataOutput output; + + public InstructionWriter(DataOutput output) { + this.output = output; + } + + @Override + public void visit(EmptyInstruction insn) { + try { + output.writeByte(0); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(ClassConstantInstruction insn) { + try { + output.writeByte(1); + output.writeShort(insn.getReceiver().getIndex()); + output.writeInt(symbolTable.findSymbol(insn.getConstant().toString())); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(NullConstantInstruction insn) { + try { + output.writeByte(2); + output.writeShort(insn.getReceiver().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(IntegerConstantInstruction insn) { + try { + output.writeByte(3); + output.writeShort(insn.getReceiver().getIndex()); + output.writeInt(insn.getConstant()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(LongConstantInstruction insn) { + try { + output.writeByte(4); + output.writeShort(insn.getReceiver().getIndex()); + output.writeLong(insn.getConstant()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(FloatConstantInstruction insn) { + try { + output.writeByte(5); + output.writeShort(insn.getReceiver().getIndex()); + output.writeFloat(insn.getConstant()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(DoubleConstantInstruction insn) { + try { + output.writeByte(6); + output.writeShort(insn.getReceiver().getIndex()); + output.writeDouble(insn.getConstant()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(StringConstantInstruction insn) { + try { + output.writeByte(7); + output.writeShort(insn.getReceiver().getIndex()); + output.writeInt(symbolTable.findSymbol(insn.getConstant())); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(BinaryInstruction insn) { + try { + output.writeByte(8); + output.writeShort(insn.getReceiver().getIndex()); + output.writeByte(insn.getOperation().ordinal()); + output.writeByte(insn.getOperandType().ordinal()); + output.writeShort(insn.getFirstOperand().getIndex()); + output.writeShort(insn.getSecondOperand().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(NegateInstruction insn) { + try { + output.writeByte(9); + output.writeShort(insn.getReceiver().getIndex()); + output.writeByte(insn.getOperandType().ordinal()); + output.writeShort(insn.getOperand().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(AssignInstruction insn) { + try { + output.writeByte(10); + output.writeShort(insn.getReceiver().getIndex()); + output.writeShort(insn.getAssignee().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(CastInstruction insn) { + try { + output.writeByte(11); + output.writeShort(insn.getReceiver().getIndex()); + output.writeInt(symbolTable.findSymbol(insn.getTargetType().toString())); + output.writeShort(insn.getValue().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(CastNumberInstruction insn) { + try { + output.writeByte(12); + output.writeShort(insn.getReceiver().getIndex()); + output.writeByte(insn.getSourceType().ordinal()); + output.writeByte(insn.getTargetType().ordinal()); + output.writeShort(insn.getValue().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(CastIntegerInstruction insn) { + try { + output.writeByte(13); + output.writeShort(insn.getReceiver().getIndex()); + output.writeByte(insn.getTargetType().ordinal()); + output.writeByte(insn.getDirection().ordinal()); + output.writeShort(insn.getValue().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(BranchingInstruction insn) { + try { + output.writeByte(14); + output.writeByte(insn.getCondition().ordinal()); + output.writeShort(insn.getOperand().getIndex()); + output.writeShort(insn.getConsequent().getIndex()); + output.writeShort(insn.getAlternative().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(BinaryBranchingInstruction insn) { + try { + output.writeByte(15); + output.writeByte(insn.getCondition().ordinal()); + output.writeShort(insn.getFirstOperand().getIndex()); + output.writeShort(insn.getSecondOperand().getIndex()); + output.writeShort(insn.getConsequent().getIndex()); + output.writeShort(insn.getAlternative().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(JumpInstruction insn) { + try { + output.writeByte(16); + output.writeShort(insn.getTarget().getIndex()); + } catch (IOException e) { + throw new IOExceptionWrapper(e); + } + } + + @Override + public void visit(SwitchInstruction insn) { + } + + @Override + public void visit(ExitInstruction insn) { + } + + @Override + public void visit(RaiseInstruction insn) { + } + + @Override + public void visit(ConstructArrayInstruction insn) { + } + + @Override + public void visit(ConstructInstruction insn) { + } + + @Override + public void visit(ConstructMultiArrayInstruction insn) { + } + + @Override + public void visit(GetFieldInstruction insn) { + } + + @Override + public void visit(PutFieldInstruction insn) { + } + + @Override + public void visit(ArrayLengthInstruction insn) { + } + + @Override + public void visit(CloneArrayInstruction insn) { + } + + @Override + public void visit(UnwrapArrayInstruction insn) { + } + + @Override + public void visit(GetElementInstruction insn) { + } + + @Override + public void visit(PutElementInstruction insn) { + } + + @Override + public void visit(InvokeInstruction insn) { + } + + @Override + public void visit(IsInstanceInstruction insn) { + } + + @Override + public void visit(InitClassInstruction insn) { + } + + @Override + public void visit(NullCheckInstruction insn) { + } + + } + + private static class IOExceptionWrapper extends RuntimeException { + private static final long serialVersionUID = -1765050162629001951L; + public IOExceptionWrapper(Throwable cause) { + super(cause); + } + } +} diff --git a/teavm-core/src/main/java/org/teavm/cache/SymbolTable.java b/teavm-core/src/main/java/org/teavm/cache/SymbolTable.java new file mode 100644 index 000000000..ca0792de8 --- /dev/null +++ b/teavm-core/src/main/java/org/teavm/cache/SymbolTable.java @@ -0,0 +1,26 @@ +/* + * Copyright 2014 Alexey Andreev. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.teavm.cache; + +/** + * + * @author Alexey Andreev + */ +public interface SymbolTable { + String symbolAt(int index); + + int findSymbol(String symbol); +}