VulMPFF: A Vulnerability Detection Method for Fusing Code Features in Multiple Perspectives

Table 1

Serialized AST node information table.

Node type	Depth	Values
FunctionDef	0	int func(x)
ParameterList	1	—
Parameter	2	int x
Stmnts	1	—
IdentifierDecIStatement	3	int z = 1,024;
IdentifierDecIType	4	int
…	…	…