mirror of
https://github.com/extism/extism.git
synced 2026-04-23 03:00:11 -04:00
87be73570d
- Adds `ExtismContext` instead of global `PLUGINS` registry - Adds `extism_context_new`, `extism_context_free` and `extism_context_reset` - Requires updating nearly every SDK function to add context parameter - Renames some SDK functions to follow better naming conventions - `extism_plugin_register` -> `extism_plugin_new` - `extism_output_get` -> `extism_plugin_output_data` - `extism_output_length` -> `extism_plugin_output_length` - `extism_call` -> `extism_plugin_call` - Updates `extism_error` to return the context error when -1 issued for the plug-in ID - Adds `extism_plugin_free` to remove an existing plugin - Updates SDKs to include these functions - Updates SDK examples and comments Co-authored-by: Steve Manuel <steve@dylib.so>
95 lines
2.3 KiB
Python
95 lines
2.3 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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if hasattr(t.type, 'name'):
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type_name = t.type.name
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else:
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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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if hasattr(t.type, 'name'):
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return_type_name = t.type.name
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else:
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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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