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posthog/hogvm/stl/compile.py
2024-11-18 13:38:25 +00:00

46 lines
1.8 KiB
Python
Executable File

# Run from project root (cd ../..)
# python3 -m hogvm.stl.compile
import glob
import json
from posthog.hogql import ast
from posthog.hogql.compiler.bytecode import create_bytecode, parse_program
source = "hogvm/stl/src/*.hog"
target_ts = "hogvm/typescript/src/stl/bytecode.ts"
target_py = "hogvm/python/stl/bytecode.py"
bytecodes: dict[str, [list[str], list[any]]] = {}
for filename in glob.glob(source):
with open(filename) as file:
code = file.read()
basename = filename.split("/")[-1].split(".")[0]
program = parse_program(code)
found = False
for declaration in program.declarations:
if isinstance(declaration, ast.Function) and declaration.name == basename:
found = True
bytecode = create_bytecode(declaration.body, args=declaration.params).bytecode
bytecodes[basename] = [declaration.params, bytecode]
if not found:
print(f"Error: no function called {basename} was found in {filename}!") # noqa: T201
exit(1)
with open(target_ts, "w") as output:
output.write("// This file is generated by hogvm/stl/compile.py\n")
output.write("export const BYTECODE_STL: Record<string, [string[], any[]]> = {\n")
for name, (params, bytecode) in sorted(bytecodes.items()):
output.write(f' "{name}": [{json.dumps(params)}, {json.dumps(bytecode)}],\n')
output.write("}\n")
with open(target_py, "w") as output:
output.write("# This file is generated by hogvm/stl/compile.py\n")
output.write("# fmt: off\n")
output.write("BYTECODE_STL: dict[str, tuple[list[str], list]] = {\n")
for name, (params, bytecode) in sorted(bytecodes.items()):
output.write(f' "{name}": ({json.dumps(params)}, {json.dumps(bytecode)}),\n')
output.write("}\n")
output.write("# fmt: on\n")