plyã§MiniLispを実装 - Doge log原点ã«æˆ»ã‚‹ã€‚plyã§minilispを実装ã—ã¾ã™ã€‚ 紹介ã®æ„味も込ã‚ã¦æŸæ‰€ã«ã‚ã£ãŸã®ã‚’ã»ã¼ãã®ã¾ã¾è¼‰ã›ã¾ã™ã€‚ plyã®ã‚·ãƒ³ãƒ—ルã•ï¼ˆLispã®ã‚·ãƒ³ãƒ—ルã•ï¼Ÿï¼‰ãŒã‚ã‹ã£ã¦ã‚‚らãˆã‚‹ã‹ã¨æ€ã„ã¾ã™ã€‚ minilisp_lex.py import ply.lex as lex tokens = ('QUOTE', 'SIMB', 'NUM', 'LPAREN', 'RPAREN', 'NIL', 'TRUE', 'FALSE', 'TEXT') reserved = { 'nil' : 'NIL', } t_LPAREN = r'\(' t_RPAREN = r'\)' t_QUOTE = r'\'' t_TRUE = r'\#t' t_FALSE = r'\#f' def t_NUM(t): r'\d+' try: t.value = int(t.value) except ValueError: p
PLY (Python Lex-Yacc)
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