Examples with SourceFileAttr jadx.core.dex.attributes.nodes.SourceFileAttr used on opensource projects

Example 1 with SourceFileAttr

use of jadx.core.dex.attributes.nodes.SourceFileAttr in project jadx by skylot.

the class DebugInfoParser method process.

public void process() throws DecodeException {
    int addr = 0;
    int line = section.readUleb128();
    int paramsCount = section.readUleb128();
    List<RegisterArg> mthArgs = mth.getArguments(false);
    for (int i = 0; i < paramsCount; i++) {
        int id = section.readUleb128() - 1;
        if (id != DexNode.NO_INDEX) {
            String name = dex.getString(id);
            if (i < mthArgs.size()) {
                mthArgs.get(i).setName(name);
            }
        }
    }
    for (RegisterArg arg : mthArgs) {
        int rn = arg.getRegNum();
        locals[rn] = new LocalVar(arg);
        activeRegisters[rn] = arg;
    }
    // process '0' instruction
    addrChange(-1, 1, line);
    setLine(addr, line);
    int c = section.readByte() & 0xFF;
    while (c != DBG_END_SEQUENCE) {
        switch(c) {
            case DBG_ADVANCE_PC:
                {
                    int addrInc = section.readUleb128();
                    addr = addrChange(addr, addrInc, line);
                    setLine(addr, line);
                    break;
                }
            case DBG_ADVANCE_LINE:
                {
                    line += section.readSleb128();
                    break;
                }
            case DBG_START_LOCAL:
                {
                    int regNum = section.readUleb128();
                    int nameId = section.readUleb128() - 1;
                    int type = section.readUleb128() - 1;
                    LocalVar var = new LocalVar(dex, regNum, nameId, type, DexNode.NO_INDEX);
                    startVar(var, addr, line);
                    break;
                }
            case DBG_START_LOCAL_EXTENDED:
                {
                    int regNum = section.readUleb128();
                    int nameId = section.readUleb128() - 1;
                    int type = section.readUleb128() - 1;
                    int sign = section.readUleb128() - 1;
                    LocalVar var = new LocalVar(dex, regNum, nameId, type, sign);
                    startVar(var, addr, line);
                    break;
                }
            case DBG_RESTART_LOCAL:
                {
                    int regNum = section.readUleb128();
                    LocalVar var = locals[regNum];
                    if (var != null) {
                        if (var.end(addr, line)) {
                            setVar(var);
                        }
                        var.start(addr, line);
                    }
                    break;
                }
            case DBG_END_LOCAL:
                {
                    int regNum = section.readUleb128();
                    LocalVar var = locals[regNum];
                    if (var != null) {
                        var.end(addr, line);
                        setVar(var);
                    }
                    break;
                }
            case DBG_SET_PROLOGUE_END:
            case DBG_SET_EPILOGUE_BEGIN:
                // do nothing
                break;
            case DBG_SET_FILE:
                {
                    int idx = section.readUleb128() - 1;
                    if (idx != DexNode.NO_INDEX) {
                        String sourceFile = dex.getString(idx);
                        mth.addAttr(new SourceFileAttr(sourceFile));
                    }
                    break;
                }
            default:
                {
                    if (c >= DBG_FIRST_SPECIAL) {
                        int adjustedOpcode = c - DBG_FIRST_SPECIAL;
                        int addrInc = adjustedOpcode / DBG_LINE_RANGE;
                        addr = addrChange(addr, addrInc, line);
                        line += DBG_LINE_BASE + adjustedOpcode % DBG_LINE_RANGE;
                        setLine(addr, line);
                    } else {
                        throw new DecodeException("Unknown debug insn code: " + c);
                    }
                    break;
                }
        }
        c = section.readByte() & 0xFF;
    }
    for (LocalVar var : locals) {
        if (var != null && !var.isEnd()) {
            var.end(mth.getCodeSize() - 1, line);
            setVar(var);
        }
    }
    setSourceLines(addr, insnByOffset.length, line);
}

Example 2 with SourceFileAttr

use of jadx.core.dex.attributes.nodes.SourceFileAttr in project jadx by skylot.

the class ClassNode method addSourceFilenameAttr.

private void addSourceFilenameAttr(String fileName) {
    if (fileName == null) {
        return;
    }
    if (fileName.endsWith(".java")) {
        fileName = fileName.substring(0, fileName.length() - 5);
    }
    if (fileName.isEmpty() || fileName.equals("SourceFile") || fileName.equals("\"")) {
        return;
    }
    if (clsInfo != null) {
        String name = clsInfo.getShortName();
        if (fileName.equals(name)) {
            return;
        }
        if (fileName.contains("$") && fileName.endsWith("$" + name)) {
            return;
        }
        ClassInfo parentClass = clsInfo.getTopParentClass();
        if (parentClass != null && fileName.equals(parentClass.getShortName())) {
            return;
        }
    }
    this.addAttr(new SourceFileAttr(fileName));
    LOG.debug("Class '{}' compiled from '{}'", this, fileName);
}

Example 3 with SourceFileAttr

use of jadx.core.dex.attributes.nodes.SourceFileAttr in project jadx by skylot.

the class Deobfuscator method getAliasFromSourceFile.

@Nullable
private String getAliasFromSourceFile(ClassNode cls) {
    SourceFileAttr sourceFileAttr = cls.get(AType.SOURCE_FILE);
    if (sourceFileAttr == null) {
        return null;
    }
    String name = sourceFileAttr.getFileName();
    if (name.endsWith(".java")) {
        name = name.substring(0, name.length() - ".java".length());
    }
    if (NameMapper.isValidIdentifier(name) && !NameMapper.isReserved(name)) {
        // TODO: check if no class with this name exists or already renamed
        cls.remove(AType.SOURCE_FILE);
        return name;
    }
    return null;
}