129 lines
2.9 KiB
Python
129 lines
2.9 KiB
Python
'''
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It's cheap, but it works.
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Doesn't handle non-alnum names.
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Because the strings are parsed at start time, rather than compile time,
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it's basically the same as implementing an inscribe command
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and using it to write a simple Joy script to load the defs:
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for line in defs:
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print(f'[{line}] inscribe')
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Eh?
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'''
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import sys, unicodedata
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def filt(name):
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'''
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Pass alphanumeric chars and underscores, convert other chars
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to their Unicode names so they can work as (portions of) C
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identifiers.
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'''
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alnum = True
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for i, ch in enumerate(name):
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if alnum:
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if ch.isalnum() or ch == '_':
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yield ch
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else:
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alnum = False
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if i:
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yield '_'
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yield (
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unicodedata
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.name(ch)
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.replace(' ', '_')
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.replace('-', '_')
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)
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else:
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if ch.isalnum() or ch == '_':
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alnum = True
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yield '_'
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yield ch
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else:
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yield '_'
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yield (
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unicodedata
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.name(ch)
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.replace(' ', '_')
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.replace('-', '_')
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)
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def convert_name(name):
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return name if name.isidentifier() else ''.join(filt(name))
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defs = [line.strip() for line in open('./defs.txt')]
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print(f'''\
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/*
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Auto-generated file by {' '.join(sys.argv)}
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Do not edit.
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*/
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''')
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if sys.argv[-1] == '--header':
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for line in defs:
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name, body = line.split(None, 1)
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name = convert_name(name)
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print(f'void def_{name}(JoyListPtr stack, JoyListPtr expression);')
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elif sys.argv[-1] == '--keywords':
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sys.stdout.write(open('KEYWORDS.in').read())
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for line in defs:
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name, body = line.split(None, 1)
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print(f'{name}, def_{convert_name(name)}')
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else:
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print('''\
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#include "joy.h"
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#include "definitions.h"
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/*
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Declare a bunch of list pointers to eventually hold the body expressions
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of the definitions.
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*/
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''')
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for line in defs:
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name, body = line.split(None, 1)
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name = convert_name(name)
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print(f'JoyList def_{name}_body;')
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print('''
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/*
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Next, we want an initializer function to fill out the body pointers.
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*/
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void
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init_defs(void)
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{
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''')
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for line in defs:
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name, body = line.split(None, 1)
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name = convert_name(name)
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print(f'\tdef_{name}_body = text_to_expression("{body}");')
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print('}')
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print('''
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/*
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Last, a set of functions to go in the wordlist, one for each definition.
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*/
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''')
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for line in defs:
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name, body = line.split(None, 1)
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name = convert_name(name)
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print(f'void def_{name}(__attribute__((unused)) JoyListPtr stack, JoyListPtr expression) {{ push_quote_onto_expression(def_{name}_body, expression); }}')
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