47 lines
1.0 KiB
Python
47 lines
1.0 KiB
Python
from __future__ import print_function
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import math
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with open("sql_keywords.txt", 'r') as fh:
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keywords = [line.strip() for line in fh.readlines() if not line.strip().startswith("//") and len(line.strip()) > 0]
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keywords = sorted(set(keywords)) # Sort by name
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keywords = sorted(keywords, key=lambda x: len(x), reverse=True) # Sort by length
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#################
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# Flex
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max_len = len(max(keywords, key=lambda x: len(x))) + 1
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max_len = 4 * int(math.ceil(max_len / 4.0))
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for keyword in keywords:
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len_diff = (max_len) - len(keyword)
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num_tabs = int(math.floor(len_diff / 4.0))
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if len_diff % 4 != 0: num_tabs += 1
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tabs = ''.join(['\t' for _ in range(num_tabs)])
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print("%s%sTOKEN(%s)" % (keyword, tabs, keyword))
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#
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#################
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#################
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# Bison
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line = "%token"
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max_len = 60
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print("/* SQL Keywords */")
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for keyword in keywords:
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if len(line + " " + keyword) > max_len:
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print(line)
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line = "%token " + keyword
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else:
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line = line + " " + keyword
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print(line)
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#
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#################
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