// GhidraScript: find decompiled functions containing text, optionally limiting
// qualified function names to a second substring.
// Usage: DecompileAllSearch.java 0x6458 GameScene

import ghidra.app.decompiler.DecompInterface;
import ghidra.app.decompiler.DecompileResults;
import ghidra.app.script.GhidraScript;
import ghidra.program.model.listing.Function;
import ghidra.program.model.listing.FunctionIterator;

public class DecompileAllSearch extends GhidraScript {
    @Override
    public void run() throws Exception {
        String[] args = getScriptArgs();
        if (args == null || args.length == 0) {
            printerr("DecompileAllSearch: needs text and optional function-name substring");
            return;
        }
        String needle = args[0];
        String nameNeedle = args.length > 1 ? args[1] : "";
        DecompInterface decompiler = new DecompInterface();
        decompiler.openProgram(currentProgram);
        FunctionIterator functions = currentProgram.getFunctionManager().getFunctions(true);
        while (functions.hasNext() && !monitor.isCancelled()) {
            Function function = functions.next();
            if (!nameNeedle.isEmpty() && !function.getName(true).contains(nameNeedle)) continue;
            DecompileResults result = decompiler.decompileFunction(function, 20, monitor);
            if (!result.decompileCompleted() || result.getDecompiledFunction() == null) continue;
            String code = result.getDecompiledFunction().getC();
            if (code == null || !code.contains(needle)) continue;
            println(function.getEntryPoint() + " " + function.getName(true));
            for (String line : code.split("\\R")) {
                if (line.contains(needle)) println("  " + line.trim());
            }
        }
    }
}