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21 lines
697 B
Racket
21 lines
697 B
Racket
#lang brag
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pf-program : pf-header pf-body pf-trailer
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pf-header : PDF-HEADER
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@pf-body : pf-object*
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@pf-object : pf-null | CHAR | BOOLEAN | INT | REAL | pf-name | pf-string | pf-array | pf-dict | pf-stream | pf-indirect-object | pf-indirect-object-ref | pf-comment
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@pf-null : NULL
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pf-name : NAME
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pf-string : STRING-TOK | /"<" HEX-DIGIT-PAIR* /">"
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pf-array : /"[" pf-object* /"]"
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pf-dict : /"<" /"<" (pf-dict-key pf-dict-value)* /">" /">"
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@pf-dict-key : pf-object
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@pf-dict-value : pf-object
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pf-stream : pf-dict STREAM-DATA
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pf-indirect-object : INT INT /"obj" pf-object /"endobj"
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pf-indirect-object-ref : INDIRECT-OBJECT-REF-TOK
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pf-comment : COMMENT
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;pf-xref-table :
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pf-trailer : /"trailer" pf-dict |