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44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// This executes a very simple search for all functions that call a
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// given set of functions. It's intended to be the simplest possible
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// way of refactoring a common pattern of function calls. Of course,
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// it's still up to a human to decide if the replacement is truely
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// suitable, but this gets the low-hanging fruit.
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// Expects the variable 'patterns' to hold an object with replacement
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// function names as keys and function lists as values. Any function
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// in the tested source that calls all of the functions named in the
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// list will be listed in the output as being likely candidates to
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// instead call the replacement function.
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include("unstable/lazy_types.js");
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var matches = {};
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function identity(x) x;
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function process_cp_pre_genericize(fndecl)
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{
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var c = [];
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function calls(t, stack)
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{
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try {
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t.tree_check(CALL_EXPR);
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var fn = callable_arg_function_decl(CALL_EXPR_FN(t));
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if (fn)
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c.push(decl_name_string(fn));
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}
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catch (e if e.TreeCheckError) { }
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}
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walk_tree(DECL_SAVED_TREE(fndecl), calls);
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for (let [fnreplace, pattern] in patterns)
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if (pattern.map(function(e){ return c.some(function(f) { return e == f; }); }).every(identity))
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if (fnreplace != (n = decl_name_string(fndecl)))
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print(fnreplace +" could probably be used in "+ n);
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}
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