syntax = "proto3";

package objdiff.report;

// Progress info for a report or unit
message Measures {
  // Overall match percent, including partially matched functions and data
  float fuzzy_match_percent = 1;
  // Total size of code in bytes
  uint64 total_code = 2;
  // Fully matched code size in bytes
  uint64 matched_code = 3;
  // Fully matched code percent
  float matched_code_percent = 4;
  // Total size of data in bytes
  uint64 total_data = 5;
  // Fully matched data size in bytes
  uint64 matched_data = 6;
  // Fully matched data percent
  float matched_data_percent = 7;
  // Total number of functions
  uint32 total_functions = 8;
  // Fully matched functions
  uint32 matched_functions = 9;
  // Fully matched functions percent
  float matched_functions_percent = 10;
}

// Project progress report
message Report {
  // Overall progress info
  Measures measures = 1;
  // Units within this report
  repeated ReportUnit units = 2;
}

// A unit of the report (usually a translation unit)
message ReportUnit {
  // The name of the unit
  string name = 1;
  // Progress info for this unit
  Measures measures = 2;
  // Sections within this unit
  repeated ReportItem sections = 3;
  // Functions within this unit
  repeated ReportItem functions = 4;
  // Extra metadata for this unit
  optional ReportUnitMetadata metadata = 5;
}

// Extra metadata for a unit
message ReportUnitMetadata {
  // Whether this unit is marked as complete (or "linked")
  optional bool complete = 1;
  // The name of the module this unit belongs to
  optional string module_name = 2;
  // The ID of the module this unit belongs to
  optional uint32 module_id = 3;
  // The path to the source file of this unit
  optional string source_path = 4;
}

// A section or function within a unit
message ReportItem {
  // The name of the item
  string name = 1;
  // The size of the item in bytes
  uint64 size = 2;
  // The overall match percent for this item
  float fuzzy_match_percent = 3;
  // Extra metadata for this item
  optional ReportItemMetadata metadata = 4;
}

// Extra metadata for an item
message ReportItemMetadata {
  // The demangled name of the function
  optional string demangled_name = 1;
  // The virtual address of the function or section
  optional uint64 virtual_address = 2;
}

// A pair of reports to compare and generate changes
message ChangesInput {
  // The previous report
  Report from = 1;
  // The current report
  Report to = 2;
}

// Changes between two reports
message Changes {
  // The progress info for the previous report
  Measures from = 1;
  // The progress info for the current report
  Measures to = 2;
  // Units that changed
  repeated ChangeUnit units = 3;
}

// A changed unit
message ChangeUnit {
  // The name of the unit
  string name = 1;
  // The previous progress info (omitted if new)
  optional Measures from = 2;
  // The current progress info (omitted if removed)
  optional Measures to = 3;
  // Sections that changed
  repeated ChangeItem sections = 4;
  // Functions that changed
  repeated ChangeItem functions = 5;
  // Extra metadata for this unit
  optional ReportUnitMetadata metadata = 6;
}

// A changed section or function
message ChangeItem {
  // The name of the item
  string name = 1;
  // The previous progress info (omitted if new)
  optional ChangeItemInfo from = 2;
  // The current progress info (omitted if removed)
  optional ChangeItemInfo to = 3;
  // Extra metadata for this item
  optional ReportItemMetadata metadata = 4;
}

// Progress info for a section or function
message ChangeItemInfo {
  // The overall match percent for this item
  float fuzzy_match_percent = 1;
  // The size of the item in bytes
  uint64 size = 2;
}