[Courgette] Reduce AssemblyProgram to reduce Courgette-apply RAM floor and disk churn.

courgette/program_detector.h

Index: courgette/program_detector.h
diff --git a/courgette/program_detector.h b/courgette/program_detector.h
index a869a3f2487376b462fe6f9b520c371c81f23481..d44f37618cf590e6cbf1c2713156849256c4d310 100644
--- a/courgette/program_detector.h
+++ b/courgette/program_detector.h
@@ -14,7 +14,12 @@
 
 namespace courgette {
 
-class AssemblyProgram;
+class Disassembler;
+
+// Returns a new instance of Disassembler inherited class if binary data given
+// in |buffer| and |length| match a known binary format, otherwise null.
+std::unique_ptr<Disassembler> DetectDisassembler(const uint8_t* buffer,
+                                                 size_t length);
 
 // Detects the type of an executable file, and it's length. The length may be
 // slightly smaller than some executables (like ELF), but will include all bytes
@@ -29,24 +34,6 @@ Status DetectExecutableType(const uint8_t* buffer,
                             ExecutableType* type,
                             size_t* detected_length);
 
-// Attempts to detect the type of executable by parsing it with the appropriate
-// tools.
-// On success:
-//   Parses the executable into a new AssemblyProgram in |*output|, and returns
-//   C_OK.
-// On failure:
-//   Returns an error status and assigns |*output| to null.
-Status ParseDetectedExecutable(const uint8_t* buffer,
-                               size_t length,
-                               std::unique_ptr<AssemblyProgram>* output);
-
-// ParseDetectedExecutable(), with Label annotations generated and stored in
-// |output|.
-Status ParseDetectedExecutableWithAnnotation(
-    const uint8_t* buffer,
-    size_t length,
-    std::unique_ptr<AssemblyProgram>* output);
-
 }  // namespace courgette
 
 #endif  // COURGETTE_PROGRAM_DETECTOR_H_