1 files changed, 12 insertions, 0 deletions
diff --git a/BaseTools/Source/Python/Common/DataType.py b/BaseTools/Source/Python/Common/DataType.py
index 50d582a3f6..56f5bfedd6 100644
--- a/BaseTools/Source/Python/Common/DataType.py
+++ b/BaseTools/Source/Python/Common/DataType.py
@@ -487,6 +487,18 @@ DATABASE_PATH = ":memory:" #"BuildDatabase.db"
 # used by ECC
 MODIFIER_SET = {'IN', 'OUT', 'OPTIONAL', 'UNALIGNED', 'EFI_RUNTIMESERVICE', 'EFI_BOOTSERVICE', 'EFIAPI'}
 
+# Dependency Opcodes
+DEPEX_OPCODE_BEFORE = "BEFORE"
+DEPEX_OPCODE_AFTER = "AFTER"
+DEPEX_OPCODE_PUSH = "PUSH"
+DEPEX_OPCODE_AND = "AND"
+DEPEX_OPCODE_OR = "OR"
+DEPEX_OPCODE_NOT = "NOT"
+DEPEX_OPCODE_END = "END"
+DEPEX_OPCODE_SOR = "SOR"
+DEPEX_OPCODE_TRUE = "TRUE"
+DEPEX_OPCODE_FALSE = "FALSE"
+
 # Dependency Expression
 DEPEX_SUPPORTED_OPCODE_SET = {"BEFORE", "AFTER", "PUSH", "AND", "OR", "NOT", "END", "SOR", "TRUE", "FALSE", '(', ')'}