Merge branch 'master' into c89-porting
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commit
cc9de3295d
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@ -9,3 +9,4 @@ Delimited control operators.
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Escape Continuation
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Escape Continuation
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- **(escape f)**
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- **(escape f)**
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@ -1,5 +1,6 @@
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(define-library (picrin syntax-rules)
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(define-library (picrin syntax-rules)
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(import (picrin base)
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(import (picrin base)
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(picrin control)
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(picrin macro))
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(picrin macro))
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(define-syntax define-auxiliary-syntax
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(define-syntax define-auxiliary-syntax
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@ -74,7 +75,7 @@
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(define _unquote (r 'unquote))
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(define _unquote (r 'unquote))
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(define _unquote-splicing (r 'unquote-splicing))
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(define _unquote-splicing (r 'unquote-splicing))
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(define _syntax-error (r 'syntax-error))
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(define _syntax-error (r 'syntax-error))
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(define _call/cc (r 'call/cc))
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(define _escape (r 'escape))
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(define _er-macro-transformer (r 'er-macro-transformer))
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(define _er-macro-transformer (r 'er-macro-transformer))
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(define (var->sym v)
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(define (var->sym v)
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@ -303,7 +304,7 @@
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(match (list-ref (car clauses) 1))
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(match (list-ref (car clauses) 1))
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(expand (list-ref (car clauses) 2)))
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(expand (list-ref (car clauses) 2)))
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`(,_let ,(map (lambda (v) (list (var->sym v) '())) vars)
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`(,_let ,(map (lambda (v) (list (var->sym v) '())) vars)
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(,_let ((result (,_call/cc (,_lambda (exit) ,match))))
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(,_let ((result (,_escape (,_lambda (exit) ,match))))
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(,_if result
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(,_if result
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,expand
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,expand
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,(expand-clauses (cdr clauses) rename))))))))
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,(expand-clauses (cdr clauses) rename))))))))
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