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54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
#!/usr/bin/env python3
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"""Make c program which uses complicated conditional expression
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To make c program, execute `python3 make_cond.py > file_name.c`
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"""
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import random
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def eval_cond(arr_cond):
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"""Evaluate conditional expression
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"""
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if len(arr_cond) == 1:
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return arr_cond[0]
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new_arr_cond = []
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for cond_start in range(len(arr_cond) // 3):
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cond_val = arr_cond[3*cond_start + 1] if arr_cond[3*cond_start] else arr_cond[3*cond_start + 2]
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new_arr_cond.append(cond_val)
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return eval_cond(new_arr_cond)
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def make_func(i):
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"""Make a function that contains a conditional expression
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"""
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func_signature = "int " + "func_" + str(i) + "()"
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variables = "abcdefghijklmnopqrstuvwxyzA"
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func_inner = []
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val_bitmap = []
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# Variable initializiation
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for var in variables:
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val = random.randint(0, 1)
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val_bitmap.append(val)
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decl = "\tint " + var + " = " + str(val) + ";"
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func_inner.append(decl)
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expr_val = eval_cond(val_bitmap)
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func_inner.append("\treturn (((a ? b : c) ? (d ? e : f) : (g ? h : i)) ? ((j ? k : l) ? (m ? n : o) : (p ? q : r)) : ((s ? t : u) ? (v ? w : x) : (y ? z : A))) == " + str(expr_val) + ";")
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return "\n".join([func_signature, "{"] + func_inner + ["}"])
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if __name__ == "__main__":
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src = ""
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return_stmt = "\treturn ("
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NUM_FUNC = 100
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for i in range(NUM_FUNC):
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src += make_func(i)
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src += "\n\n"
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return_stmt += "func_" + str(i) + "()"
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return_stmt += " && " if i != (NUM_FUNC - 1) else ") == "
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return_stmt += "1;"
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src += "int main()\n{\n" + return_stmt + "\n}\n"
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print(src)
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