Examples with LocalVariable com.codename1.tools.translator.bytecodes.LocalVariable used on opensource projects

Example 1 with LocalVariable

use of com.codename1.tools.translator.bytecodes.LocalVariable in project CodenameOne by codenameone.

the class BytecodeMethod method appendMethodC.

public void appendMethodC(StringBuilder b) {
    if (nativeMethod) {
        return;
    }
    appendCMethodPrefix(b, "");
    b.append(" {\n");
    if (eliminated) {
        if (returnType.isVoid()) {
            b.append("    return;\n}\n\n");
        } else {
            b.append("    return 0;\n}\n\n");
        }
        return;
    }
    b.append(declaration);
    boolean hasInstructions = true;
    if (optimizerOn) {
        hasInstructions = optimize();
    }
    if (hasInstructions) {
        Set<String> added = new HashSet<String>();
        for (LocalVariable lv : localVariables) {
            String variableName = lv.getQualifier() + "locals_" + lv.getIndex() + "_";
            if (!added.contains(variableName) && lv.getQualifier() != 'o') {
                added.add(variableName);
                b.append("    volatile ");
                switch(lv.getQualifier()) {
                    case 'i':
                        b.append("JAVA_INT");
                        break;
                    case 'l':
                        b.append("JAVA_LONG");
                        break;
                    case 'f':
                        b.append("JAVA_FLOAT");
                        break;
                    case 'd':
                        b.append("JAVA_DOUBLE");
                        break;
                }
                b.append(" ").append(lv.getQualifier()).append("locals_").append(lv.getIndex()).append("_ = 0; /* ").append(lv.getOrigName()).append(" */\n");
            }
        }
        if (staticMethod) {
            if (methodName.equals("__CLINIT__")) {
                b.append("    DEFINE_METHOD_STACK(");
            } else {
                b.append("    __STATIC_INITIALIZER_");
                b.append(clsName.replace('/', '_').replace('$', '_'));
                b.append("(threadStateData);\n    DEFINE_METHOD_STACK(");
            }
        } else {
            b.append("    DEFINE_INSTANCE_METHOD_STACK(");
        }
        b.append(maxStack);
        b.append(", ");
        b.append(maxLocals);
        b.append(", 0, ");
        b.append(Parser.addToConstantPool(clsName));
        b.append(", ");
        b.append(Parser.addToConstantPool(methodName));
        b.append(");\n");
        int startOffset = 0;
        if (synchronizedMethod) {
            if (staticMethod) {
                b.append("    monitorEnter(threadStateData, (JAVA_OBJECT)&class__");
                b.append(clsName);
                b.append(");\n");
            } else {
                b.append("    monitorEnter(threadStateData, __cn1ThisObject);\n");
            }
        }
        if (!staticMethod) {
            b.append("    locals[0].data.o = __cn1ThisObject; locals[0].type = CN1_TYPE_OBJECT; ");
            startOffset++;
        }
        int localsOffset = startOffset;
        for (int iter = 0; iter < arguments.size(); iter++) {
            ByteCodeMethodArg arg = arguments.get(iter);
            if (arg.getQualifier() == 'o') {
                b.append("    locals[");
                b.append(localsOffset);
                b.append("].data.");
                b.append(arg.getQualifier());
                b.append(" = __cn1Arg");
                b.append(iter + 1);
                b.append(";\n");
                b.append("    locals[");
                b.append(localsOffset);
                b.append("].type = CN1_TYPE_OBJECT;\n");
            } else {
                b.append("    ");
                if (!hasLocalVariableWithIndex(arg.getQualifier(), localsOffset)) {
                    switch(arg.getQualifier()) {
                        case 'i':
                            b.append("JAVA_INT");
                            break;
                        case 'f':
                            b.append("JAVA_FLOAT");
                            break;
                        case 'd':
                            b.append("JAVA_DOUBLE");
                            break;
                        case 'l':
                            b.append("JAVA_LONG");
                            break;
                        default:
                            b.append("JAVA_INT");
                            break;
                    }
                    b.append(" ");
                }
                b.append(arg.getQualifier());
                b.append("locals_");
                b.append(localsOffset);
                b.append("_");
                b.append(" = __cn1Arg");
                b.append(iter + 1);
                b.append(";\n");
            }
            // For now we'll still allocate space for locals that we're not using
            // so we keep the indexes the same for objects.
            localsOffset++;
            if (arg.isDoubleOrLong()) {
                localsOffset++;
            }
        }
    }
    BasicInstruction.setSynchronizedMethod(synchronizedMethod, staticMethod, clsName);
    TryCatch.reset();
    BasicInstruction.setHasInstructions(hasInstructions);
    for (Instruction i : instructions) {
        i.setMaxes(maxStack, maxLocals);
        i.appendInstruction(b, instructions);
    }
    if (instructions.size() == 0) {
        if (returnType.isVoid()) {
            b.append("    return;\n}\n\n");
        } else {
            b.append("    return 0;\n}\n\n");
        }
        return;
    }
    Instruction inst = instructions.get(instructions.size() - 1);
    int lastInstruction = inst.getOpcode();
    if (lastInstruction == -1 || inst instanceof LabelInstruction) {
        if (instructions.size() > 2) {
            inst = instructions.get(instructions.size() - 2);
            lastInstruction = inst.getOpcode();
        }
    }
    if (lastInstruction == Opcodes.RETURN || lastInstruction == Opcodes.ARETURN || lastInstruction == Opcodes.IRETURN || lastInstruction == Opcodes.LRETURN || lastInstruction == Opcodes.FRETURN || lastInstruction == Opcodes.DRETURN || lastInstruction == -1) {
        b.append("}\n\n");
    } else {
        if (returnType.isVoid()) {
            b.append("    return;\n}\n\n");
        } else {
            b.append("    return 0;\n}\n\n");
        }
    }
}

Example 2 with LocalVariable

use of com.codename1.tools.translator.bytecodes.LocalVariable in project CodenameOne by codenameone.

the class BytecodeMethod method addVariableOperation.

public void addVariableOperation(int opcode, int var) {
    VarOp op = new VarOp(opcode, var);
    LocalVariable lv = null;
    switch(opcode) {
        case Opcodes.ISTORE:
            lv = new LocalVariable("v" + var, "I", "I", null, null, var);
            break;
        case Opcodes.LSTORE:
            lv = new LocalVariable("v" + var, "J", "J", null, null, var);
            break;
        case Opcodes.FSTORE:
            lv = new LocalVariable("v" + var, "F", "F", null, null, var);
            break;
        case Opcodes.DSTORE:
            lv = new LocalVariable("v" + var, "D", "D", null, null, var);
            break;
    }
    if (lv != null && !localVariables.contains(lv)) {
        localVariables.add(lv);
    }
    addInstruction(op);
}