hangshuo652
36 lines
1.3 KiB
Plaintext
36 lines
1.3 KiB
Plaintext
start: data_div_content
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data_div_content: (file_section | working_storage | linkage)*
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file_section: "FILE" "SECTION" DOT fd+
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fd: "FD" NAME FD_SUFFIX data_item+
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FD_SUFFIX: /(?:"[^"]*"|'[^']*'|[^.])*\./
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working_storage: "WORKING-STORAGE" "SECTION" DOT data_item*
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linkage: "LINKAGE" "SECTION" DOT data_item*
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data_item: level_num (NAME | "FILLER") clause* DOT
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level_num: LEVEL
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clause: pic_clause | value_clause | occurs_clause | redefines_clause | usage_clause
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| "SYNC" | "SYNCHRONIZED"
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| "JUSTIFIED" "RIGHT"?
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| "BLANK" "WHEN" "ZERO"
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| "GLOBAL" | "EXTERNAL"
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pic_clause: "PIC" "IS"? PICTURE_STRING
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value_clause: "VALUE" "IS"? value_literal+
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value_literal: INT | SIGNED_NUMBER | STRING | SQSTRING
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| "ZERO" | "ZEROS" | "ZEROES"
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| "SPACE" | "SPACES"
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| "HIGH-VALUE" | "HIGH-VALUES"
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| "LOW-VALUE" | "LOW-VALUES"
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SQSTRING: /'[^']*'/
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redefines_clause: "REDEFINES" NAME
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occurs_clause: "OCCURS" INT "TIMES"? ("DEPENDING" "ON" NAME)?
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usage_clause: USAGE_VAL
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USAGE_VAL: "COMP" | "COMP-3" | "COMP-5" | "BINARY" | "PACKED-DECIMAL" | "DISPLAY"
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LEVEL: /0[1-9]|[1-4][0-9]|49|77|88/
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NAME: /[A-Z][A-Z0-9-]*/
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PICTURE_STRING: /[0-9A-Z()+,\-*\/V]+/i
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INT: /[0-9]+/
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DOT: /\./
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%import common.SIGNED_NUMBER
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%import common.ESCAPED_STRING -> STRING
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%import common.WS
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%ignore WS
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