54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
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#!/bin/env python3
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import sys, json
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with open(sys.argv[1], 'r') if sys.argv[1] != "-" else sys.stdin as f:
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api_source = f.read()
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api = json.loads(api_source)
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def to_lua_type_annot(typename):
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basetype = typename.rsplit(' *', 1)[0]
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if typename == "char *":
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return "string"
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elif basetype == "float":
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return "number"
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elif basetype == "bool":
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return "boolean"
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elif basetype == "Control":
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return "Control"
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elif basetype == "Vec2":
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return r"{ x: number, y: number }"
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elif basetype == "Vec3":
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return r"{ x: number, y: number, z: number }"
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elif basetype == "Color":
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return r"{ r: number, g: number, b: number, a: number }"
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elif basetype == "Rect":
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return r"{ x: number, y: number, w: number, h: number }"
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else:
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return "unknown"
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# raise BaseException("Unhandled type for annotation: %s" % typename)
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type_annotations, enum_annotations = {}, {}
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type_annotations["ctx"] = r"{ %s, udata: table }" % \
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', '.join("%s: %s" % (f["name"], to_lua_type_annot(f["type"])) for f in api["types"]["Context"]["fields"])
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for annot in type_annotations:
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print("---@type " + type_annotations[annot])
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print(r"%s = nil" % annot)
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enum_annotations["Control"] = \
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'|'.join('\'"%s"\'' % e for e in api["types"]["Control"]["enums"])
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for annot in enum_annotations:
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print("---@alias %s %s" % (annot, enum_annotations[annot]))
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procedure_annotations = {}
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for procedure, procedure_desc in api["procedures"].items():
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procedure_annotations[procedure] = r"{ %s }" % \
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', '.join("%s: %s" % (p["name"], to_lua_type_annot(p["type"]) + '?' * ("default" in p)) for p in procedure_desc["params"])
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for annot in procedure_annotations:
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print("---@param args " + procedure_annotations[annot])
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print("function %s(args) end" % annot)
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