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https://github.com/extism/extism.git
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f473be9044
Adds a script to check which runtime API functions are not used in each host SDK. Provides a coverage report with percent of functions called in each SDK. Co-authored-by: Steve Manuel <steve@dylib.so>
79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
from pycparser import c_ast, parse_file
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class Function:
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def __init__(self, name, return_type, args):
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self.name = name
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self.return_type = return_type
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self.args = args
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typemap = {
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"_Bool": "bool",
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"ExtismPlugin": "int32_t",
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"ExtismSize": "uint64_t",
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}
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class Type:
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def __init__(self, name, const=False, pointer=False):
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self.name = typemap.get(name) or name
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self.const = const
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self.pointer = pointer
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class Arg:
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def __init__(self, name, type):
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self.name = name
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self.type = type
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class Visitor(c_ast.NodeVisitor):
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def __init__(self, header):
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self.header = header
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def args(self, args):
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dest = []
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for arg in args:
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name = arg.name
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if isinstance(arg.type, c_ast.PtrDecl):
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t = arg.type.type
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is_ptr = True
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else:
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t = arg.type
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is_ptr = False
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type_name = t.type.names[0]
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const = hasattr(t.type, 'quals') and 'const' in t.type.quals
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t = Type(type_name, const=const, pointer=is_ptr)
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dest.append(Arg(name, t))
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return dest
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def visit_FuncDecl(self, node: c_ast.FuncDecl):
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if isinstance(node.type, c_ast.PtrDecl):
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t = node.type.type
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is_ptr = True
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else:
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t = node.type
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is_ptr = False
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name = t.declname
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args = self.args(node.args)
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return_type_name = t.type.names[0]
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const = hasattr(t.type, 'quals') and 'const' in t.type.quals
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return_type = Type(return_type_name, const=const, pointer=is_ptr)
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self.header.functions.append(Function(name, return_type, args))
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class Header:
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def __init__(self, filename='runtime/extism.h'):
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self.functions = []
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self.header = parse_file(filename, use_cpp=True, cpp_args='-w')
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self.visitor = Visitor(self)
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self.visitor.visit(self.header)
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def __iter__(self):
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return self.functions.__iter__()
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def __getitem__(self, func):
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for f in self.functions:
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if f.name == func:
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return f
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return None
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