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22 lines
642 B
Racket
22 lines
642 B
Racket
#lang br
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(require parser-tools/lex brag/support)
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(define (tokenize input-port)
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(define (next-token)
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(define get-token
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(lexer
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[(char-set "><-.,+[]") lexeme]
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[(char-complement (char-set "><-.,+[]"))
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(token 'OTHER #:skip? #t)]
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[(eof) eof]))
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(get-token input-port))
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next-token)
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(require "bf-parser.rkt")
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(define (read-syntax source-path input-port)
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(define parse-tree (parse source-path (tokenize input-port)))
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(strip-context
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(inject-syntax ([#'PARSE-TREE parse-tree])
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#'(module bf-mod br/demo/bf/bf-expander
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PARSE-TREE))))
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(provide read-syntax)
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