Examples with LocalVariable org.develnext.jphp.core.compiler.jvm.misc.LocalVariable used on opensource projects

Example 1 with LocalVariable

use of org.develnext.jphp.core.compiler.jvm.misc.LocalVariable in project jphp by jphp-compiler.

the class ExpressionStmtCompiler method writeUnaryOperator.

Memory writeUnaryOperator(OperatorExprToken operator, boolean returnValue, boolean writeOpcode) {
    if (stackEmpty(true))
        unexpectedToken(operator);
    StackItem o = stackPop();
    ValueExprToken L = o.getToken();
    Memory mem = tryWritePush(o, false, false, true);
    StackItem.Type type = tryGetType(o);
    if (mem != null) {
        Memory result = CompilerUtils.calcUnary(getCompiler().getEnvironment(), operator.toTraceInfo(getCompiler().getContext()), mem, operator);
        if (operator instanceof ValueIfElseToken) {
            ValueIfElseToken valueIfElseToken = (ValueIfElseToken) operator;
            ExprStmtToken ret = valueIfElseToken.getValue();
            if (mem.toBoolean()) {
                if (ret == null)
                    result = mem;
                else
                    result = writeExpression(ret, true, true, false);
            } else {
                result = writeExpression(valueIfElseToken.getAlternative(), true, true, false);
            }
        } else if (operator instanceof ArrayGetExprToken && !(operator instanceof ArrayGetRefExprToken)) {
        // TODO: check!!!
        /*Memory array = mem;
                ArrayGetExprToken arrayGet = (ArrayGetExprToken)operator;
                for(ExprStmtToken expr : arrayGet.getParameters()){
                    Memory key = writeExpression(expr, true, true, false);
                    if (key == null)
                        break;
                    result = array = array.valueOfIndex(key).toImmutable();
                }*/
        }
        if (result != null) {
            stackPush(result);
            setStackPeekAsImmutable();
            return result;
        }
    }
    if (!writeOpcode)
        return null;
    writeLineNumber(operator);
    String name = operator.getCode();
    Class operatorResult = operator.getResultClass();
    LocalVariable variable = null;
    if (L instanceof VariableExprToken) {
        variable = method.getLocalVariable(((VariableExprToken) L).getName());
        if (operator instanceof ArrayPushExprToken || operator instanceof ArrayGetRefExprToken)
            variable.setValue(null);
    }
    if (operator instanceof IncExprToken || operator instanceof DecExprToken) {
        if (variable == null || variable.isReference()) {
            if (operator.getAssociation() == Association.LEFT && returnValue) {
                writePush(o);
                if (stackPeek().type.isConstant())
                    unexpectedToken(operator);
                writePushDup();
                writePopImmutable();
                code.add(new InsnNode(SWAP));
                writePushDup();
            } else {
                writePush(o);
                if (stackPeek().type.isConstant())
                    unexpectedToken(operator);
                writePushDup();
            }
            writeSysDynamicCall(Memory.class, name, operatorResult);
            writeSysDynamicCall(Memory.class, "assign", Memory.class, operatorResult);
            if (!returnValue || operator.getAssociation() == Association.LEFT) {
                writePopAll(1);
            }
        } else {
            writePush(o);
            if (stackPeek().type.isConstant())
                unexpectedToken(operator);
            if (operator.getAssociation() == Association.LEFT && returnValue) {
                writeVarLoad(variable);
            }
            writeSysDynamicCall(Memory.class, name, operatorResult);
            // TODO for constant values
            variable.setValue(null);
            if (operator.getAssociation() == Association.RIGHT)
                writeVarStore(variable, returnValue);
            else {
                writeVarStore(variable, false);
            }
        }
    } else if (operator instanceof AmpersandRefToken) {
        writePush(o, false, false);
        setStackPeekAsImmutable();
        Token token = o.getToken();
        if (token instanceof VariableExprToken) {
            LocalVariable local = method.getLocalVariable(((VariableExprToken) token).getName());
            local.setValue(null);
        }
    } else if (operator instanceof SilentToken) {
        writePushEnv();
        writeSysDynamicCall(Environment.class, "__pushSilent", void.class);
        writePush(o);
        writePushEnv();
        writeSysDynamicCall(Environment.class, "__popSilent", void.class);
    } else if (operator instanceof ValueIfElseToken) {
        writePush(o);
        ValueIfElseToken valueIfElseToken = (ValueIfElseToken) operator;
        LabelNode end = new LabelNode();
        LabelNode elseL = new LabelNode();
        if (valueIfElseToken.getValue() == null) {
            StackItem.Type dup = stackPeek().type;
            writePushDup();
            if (operator instanceof ValueNullCoalesceIfElseToken) {
                writePopBoxing();
                writeSysDynamicCall(Memory.class, "isNotNull", Boolean.TYPE);
            } else {
                writePopBoolean();
            }
            code.add(new JumpInsnNode(Opcodes.IFEQ, elseL));
            stackPop();
            writePopBoxing();
            stackPop();
            code.add(new JumpInsnNode(Opcodes.GOTO, end));
            code.add(elseL);
            // remove duplicate of condition value , IMPORTANT!!!
            makePop(dup);
            writeExpression(valueIfElseToken.getAlternative(), true, false);
            writePopBoxing();
            code.add(end);
        } else {
            writePopBoolean();
            code.add(new JumpInsnNode(Opcodes.IFEQ, elseL));
            stackPop();
            writeExpression(valueIfElseToken.getValue(), true, false);
            writePopBoxing();
            stackPop();
            // goto end
            code.add(new JumpInsnNode(Opcodes.GOTO, end));
            // else
            code.add(elseL);
            writeExpression(valueIfElseToken.getAlternative(), true, false);
            writePopBoxing();
            code.add(end);
        }
        setStackPeekAsImmutable(false);
    } else if (operator instanceof ArrayGetExprToken) {
        stackPush(o);
        writeArrayGet((ArrayGetExprToken) operator, returnValue);
    } else if (operator instanceof CallOperatorToken) {
        writePush(o);
        writePopBoxing();
        CallOperatorToken call = (CallOperatorToken) operator;
        writePushParameters(call.getParameters());
        writePushEnv();
        writePushTraceInfo(operator);
        writeSysStaticCall(InvokeHelper.class, "callAny", Memory.class, Memory.class, Memory[].class, Environment.class, TraceInfo.class);
        if (!returnValue)
            writePopAll(1);
    } else {
        writePush(o);
        writePopBoxing();
        if (operator.isEnvironmentNeeded() && operator.isTraceNeeded()) {
            writePushEnv();
            writePushTraceInfo(operator);
            writeSysDynamicCall(Memory.class, name, operatorResult, Environment.class, TraceInfo.class);
        } else if (operator.isEnvironmentNeeded()) {
            writePushEnv();
            writeSysDynamicCall(Memory.class, name, operatorResult, Environment.class);
        } else if (operator.isTraceNeeded()) {
            writePushTraceInfo(operator);
            writeSysDynamicCall(Memory.class, name, operatorResult, TraceInfo.class);
        } else
            writeSysDynamicCall(Memory.class, name, operatorResult);
        if (!returnValue) {
            writePopAll(1);
        }
    }
    return null;
}

Example 2 with LocalVariable

use of org.develnext.jphp.core.compiler.jvm.misc.LocalVariable in project jphp by jphp-compiler.

the class ExpressionStmtCompiler method writeVarLoad.

public void writeVarLoad(String name) {
    LocalVariable local = method.getLocalVariable(name);
    if (local == null)
        throw new IllegalArgumentException("Variable '" + name + "' is not registered");
    writeVarLoad(local);
}

Example 3 with LocalVariable

use of org.develnext.jphp.core.compiler.jvm.misc.LocalVariable in project jphp by jphp-compiler.

the class ExpressionStmtCompiler method writeOperator.

Memory writeOperator(OperatorExprToken operator, boolean returnValue, boolean writeOpcode) {
    if (writeOpcode) {
        BaseExprCompiler compiler = (BaseExprCompiler) getCompiler(operator.getClass());
        if (compiler != null) {
            if (writeOpcode) {
                writeLineNumber(operator);
            }
            compiler.write(operator, returnValue);
            return null;
        }
    }
    if (operator instanceof LogicOperatorExprToken) {
        return writeLogicOperator((LogicOperatorExprToken) operator, returnValue, writeOpcode);
    }
    if (!operator.isBinary()) {
        return writeUnaryOperator(operator, returnValue, writeOpcode);
    }
    if (stackEmpty(true))
        unexpectedToken(operator);
    StackItem o1 = stackPop();
    if (o1.isInvalidForOperations())
        unexpectedToken(operator);
    if (stackEmpty(true))
        unexpectedToken(operator);
    StackItem o2 = stackPeek();
    ValueExprToken L = stackPopToken();
    if (o2.isInvalidForOperations())
        unexpectedToken(operator);
    if (!(operator instanceof AssignExprToken || operator instanceof AssignOperatorExprToken))
        if (o1.getMemory() != null && o2.getMemory() != null) {
            Memory result;
            stackPush(result = CompilerUtils.calcBinary(getCompiler().getEnvironment(), operator.toTraceInfo(getCompiler().getContext()), o2.getMemory(), o1.getMemory(), operator, false));
            return result;
        }
    LocalVariable variable = null;
    if (L instanceof VariableExprToken) {
        variable = method.getLocalVariable(((VariableExprToken) L).getName());
    }
    if (operator instanceof AssignExprToken) {
        if (L instanceof VariableExprToken) {
            if (!writeOpcode)
                return null;
            writeVariableAssign((VariableExprToken) L, o1, (AssignExprToken) operator, returnValue);
            return null;
        }
    }
    Memory value1 = operator instanceof AssignableOperatorToken ? null : // LEFT
    tryWritePush(o2, false, false, true);
    // RIGHT
    Memory value2 = tryWritePush(o1, false, false, true);
    if (value1 != null && value2 != null) {
        stackPush(value1);
        stackPush(value2);
        return writeOperator(operator, returnValue, writeOpcode);
    }
    if (!returnValue && CompilerUtils.isOperatorAlwaysReturn(operator)) {
        unexpectedToken(operator);
    }
    if (!writeOpcode) {
        stackPush(o2);
        stackPush(o1);
        return null;
    }
    if (writeOpcode) {
        writeLineNumber(operator);
    }
    StackItem.Type Lt = tryGetType(o2);
    StackItem.Type Rt = tryGetType(o1);
    String name = operator.getCode();
    Class operatorResult = operator.getResultClass();
    boolean isInvert = false;
    boolean sideOperator = operator.isSide();
    if (variable != null && !variable.isReference()) {
        if (operator instanceof AssignOperatorExprToken) {
            name = ((AssignOperatorExprToken) operator).getOperatorCode();
            if (operator instanceof AssignConcatExprToken)
                operatorResult = String.class;
            if (operator instanceof AssignPlusExprToken || operator instanceof AssignMulExprToken)
                sideOperator = false;
        }
    }
    if (operator instanceof AssignableOperatorToken && tryIsImmutable(o2))
        unexpectedToken(operator);
    if (Lt.isConstant() && Rt.isConstant()) {
        if (operator instanceof AssignableOperatorToken)
            unexpectedToken(operator);
        writeScalarOperator(o2, Lt, o1, Rt, operator, operatorResult, name);
    } else {
        isInvert = !o1.isKnown();
        if (!o1.isKnown() && !o2.isKnown() && o1.getLevel() > o2.getLevel())
            isInvert = false;
        if (Lt.isConstant() && !isInvert) {
            writePush(o2);
            if (methodExists(OperatorUtils.class, name, Lt.toClass(), Rt.toClass())) {
                writePush(o1);
                writeSysStaticCall(OperatorUtils.class, name, operatorResult, Lt.toClass(), Rt.toClass());
            } else {
                writePopBoxing();
                writePush(o1);
                writeSysDynamicCall(Memory.class, name, operatorResult, Rt.toClass());
            }
        } else {
            if (isInvert) {
                stackPush(o1);
                if (o2.isKnown())
                    writePopBoxing(false);
                writePush(o2);
                if (!o2.isKnown() && !o2.type.isReference()) {
                    writeSysStaticCall(OperatorUtils.class, name, operatorResult, Lt.toClass(), Rt.toClass());
                    name = null;
                } else if (sideOperator) {
                    name += "Right";
                }
            /*if (cloneValue){
                        writeSysDynamicCall(Memory.class, name, operatorResult, isInvert ? Lt.toClass() : Rt.toClass());
                        writePush(o2);
                        name = null;
                    }*/
            } else {
                writePush(o2);
                writePopBoxing(false);
                /*if (cloneValue)
                        writePushDup();*/
                writePush(o1);
                if (Rt.isReference()) {
                    writePopBoxing(false);
                } else if (Rt.isLikeInt()) {
                    // fix bug call int operator.
                    writePopLong();
                    Rt = StackItem.Type.LONG;
                }
                if (!o1.immutable && !operator.isMutableArguments())
                    writePopImmutable();
            }
            if (name != null) {
                writeSysDynamicCall(Memory.class, name, operatorResult, isInvert ? Lt.toClass() : Rt.toClass());
            }
            if (operator.getCheckerCode() != null) {
                writePopBoxing();
                writePushEnv();
                writePushTraceInfo(operator);
                writeSysDynamicCall(Memory.class, operator.getCheckerCode(), Memory.class, Environment.class, TraceInfo.class);
            }
        }
        setStackPeekAsImmutable(operator.isImmutableResult());
        if (operator instanceof AssignOperatorExprToken) {
            if (variable == null || variable.isReference()) {
                /*if (isInvert)
                        writeSysStaticCall(Memory.class, "assignRight", Memory.class, Rt.toClass(), Memory.class);
                    else
                        writeSysDynamicCall(Memory.class, "assign", Memory.class, stackPeek().type.toClass());
                    */
                if (!returnValue)
                    writePopAll(1);
            } else {
                if (returnValue)
                    writePushDup(StackItem.Type.valueOf(operatorResult));
                writePopBoxing(operatorResult);
                makeVarStore(variable);
                variable.setValue(!stackPeek().isConstant() ? null : stackPeek().getMemory());
                stackPop();
            }
        }
    }
    return null;
}

Example 4 with LocalVariable

use of org.develnext.jphp.core.compiler.jvm.misc.LocalVariable in project jphp by jphp-compiler.

the class ExpressionStmtCompiler method stackPush.

public void stackPush(ValueExprToken token) {
    Memory o = CompilerUtils.toMemory(token);
    if (o != null) {
        stackPush(o);
    } else if (token instanceof StaticAccessExprToken) {
        StaticAccessExprToken access = (StaticAccessExprToken) token;
        if (access.getField() instanceof NameToken) {
            String constant = ((NameToken) access.getField()).getName();
            String clazz = null;
            ClassEntity entity = null;
            if (access.getClazz() instanceof ParentExprToken) {
                entity = method.clazz.entity.getParent();
                if (entity != null)
                    clazz = entity.getName();
            } else if (access.getClazz() instanceof FulledNameToken) {
                clazz = ((FulledNameToken) access.getClazz()).getName();
                entity = compiler.getModule().findClass(clazz);
            }
            if (entity == null && method.clazz.entity != null && method.clazz.entity.getName().equalsIgnoreCase(clazz))
                entity = method.clazz.entity;
            if (entity != null) {
                ConstantEntity c = entity.findConstant(constant);
                if (c != null && c.getValue() != null && c.isPublic()) {
                    stackPush(c.getValue());
                    stackPeek().setLevel(-1);
                    return;
                }
            }
        }
        stackPush(token, StackItem.Type.REFERENCE);
    } else {
        if (token instanceof VariableExprToken && !methodStatement.isUnstableVariable((VariableExprToken) token)) {
            LocalVariable local = method.getLocalVariable(((VariableExprToken) token).getName());
            if (local != null && local.getValue() != null) {
                stackPush(token, local.getValue());
                stackPeek().setLevel(-1);
                return;
            }
        }
        stackPush(token, StackItem.Type.REFERENCE);
    }
    stackPeek().setLevel(-1);
}

Example 5 with LocalVariable

use of org.develnext.jphp.core.compiler.jvm.misc.LocalVariable in project jphp by jphp-compiler.

the class MethodStmtCompiler method writeFooter.

@SuppressWarnings("unchecked")
void writeFooter() {
    LabelNode endL = new LabelNode();
    node.instructions.add(endL);
    for (LocalVariable variable : localVariables.values()) {
        String description = Type.getDescriptor(variable.getClazz() == null ? Object.class : variable.getClazz());
        if (variable.name.equals(LocalVariable.THIS)) {
            // if (variable.getClazz() != Memory.class && !clazz.statement.isTrait()) {
            description = "L" + clazz.entity.getCompiledInternalName() + ";";
        // }
        }
        node.localVariables.add(new LocalVariableNode(variable.name, description, null, variable.label == null ? labelStart : variable.label, variable.getEndLabel() == null ? endL : variable.getEndLabel(), variable.index));
    }
// node.maxStack = this.stackMaxSize;  !!! we don't need this, see: ClassWriter.COMPUTE_FRAMES
// node.maxLocals = this.localVariables.size();
}