Add Part 21 BNF files, courtesy Craig Lanning

Craig Lanning · mpictor · commit 419f8f83ed66 · 2011-09-15T16:29:42.000-04:00
diff --git a/doc/iso-10303-21--1994.bnf b/doc/iso-10303-21--1994.bnf
@@ -0,0 +1,52 @@
+; ISO 10303-21:1994
+
+alphabet = reverse_solidus 'P' upper reverse_solidus .
+apostrophe = '''' .
+arbitrary = reverse_solidus 'X' reverse_solidus hex_one .
+binary = '"' ( '0' | '1' | '2' | '3' ) { hex } '"' .
+character = space | digit | lower | upper | special | reverse_solidus | apostrophe .
+complex_entity_instance = entity_instance_name '=' [ scope ] subsuper_record ';' .
+control_directive = page | alphabet | extended2 | extended4 | arbitrary .
+data_section = 'DATA' ';' entity_instance_list 'ENDSEC' ';' .
+digit = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' .
+end_extended = reverse_solidus 'X0' reverse_solidus .
+entity_instance = simple_entity_instance | complex_entity_instance .
+entity_instance_list = entity_instance { entity_instance } .
+entity_instance_name = '#' digit { digit } .
+enumeration = '.' upper { upper | digit } '.' .
+exchange_file = 'ISO-10303-21' ';' header_section data_section 'END-ISO-10303-21' ';' .
+export_list = '/' entity_instance_name { ',' entity_instance_name } '/' .
+extended2 = reverse_solidus 'X2' reverse_solidus hex_two { hex_two } end_extended .
+extended4 = reverse_solidus 'X4' reverse_solidus hex_four { hex_four } end_extended .
+header_entity = keyword '(' [ parameter_list ] ')' ';' .
+header_entity_list = header_entity { header_entity } .
+header_section = 'HEADER' ';' header_entity header_entity header_entity [ header_entity_list ] 'ENDSEC' ';' .
+hex = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | 'A' | 'B' | 'C' | 'D' | 'E' | 'F' .
+hex_four = hex_two hex_two .
+hex_one = hex hex .
+hex_two = hex_one hex_one .
+integer = [ sign ] digit { digit } .
+keyword = user_defined_keyword | standard_keyword .
+list = '(' [ parameter { ',' parameter } ] ')' .
+lower = 'a' | 'b' | 'c' | 'd' | 'e' | 'f' | 'g' | 'h' | 'i' | 'j' | 'k' | 'l' | 'm' | 'n' | 'o' | 'p' | 'q' | 'r' | 's' | 't' | 'u' | 'v' | 'w' | 'x' | 'y' | 'z' .
+non_q_char = special | digit | space | lower | upper .
+omitted_parameter = '*' .
+page = reverse_solidus 'S' reverse_solidus character .
+parameter = typed_parameter | untyped_parameter | omitted_parameter .
+parameter_list = parameter { ',' parameter } .
+real = [ sign ] digit { digit } '.' { digit } [ 'E' [ sign ] digit { digit } ] .
+reverse_solidus = '\' .
+scope = '&' 'SCOPE'  entity_instance_list 'ENDSCOPE' [ export_list ] .
+sign = '+' | '-' .
+simple_entity_instance = entity_instance_name '=' [ scope ] simple_record ';' .
+simple_record = keyword '(' [ parameter_list ] ')' .
+simple_record_list = simple_record { simple_record } .
+space = ' ' .
+special = '!' | '"' | '*' | '$' | '%' | '&' | '.' | '#' | '+' | ',' | '-' | '(' | ')' | '?' | '/' | ':' | ';' | '<' | '=' | '>' | '@' | '[' | ']' | '{' | '|' | '}' | '^' | '`' .
+standard_keyword = upper { upper | digit } .
+string = '''' { non_q_char | apostrophe apostrophe | reverse_solidus reverse_solidus | control_directive } '''' .
+subsuper_record = '(' simple_record_list ')' .
+typed_parameter = keyword '(' parameter ')' .
+untyped_parameter = '$' | integer | real | string | entity_instance_name | enumeration | binary | list .
+upper   = 'A' | 'B' | 'C' | 'D' | 'E' | 'F' | 'G' | 'H' | 'I' | 'J' | 'K' | 'L' | 'M' | 'N' | 'O' | 'P' | 'Q' | 'R' | 'S' | 'T' | 'U' | 'V' | 'W' | 'X' | 'Y' | 'Z' .
+user_defined_keyword = '!' upper { upper | digit } .
diff --git a/doc/iso-10303-21--2002.bnf b/doc/iso-10303-21--2002.bnf
@@ -0,0 +1,50 @@
+; ISO 10303-21:2002
+
+alphabet = reverse_solidus 'P' upper reverse_solidus .
+apostrophe = '''' .
+arbitrary = reverse_solidus 'X' reverse_solidus hex_one .
+binary = '"' ( '0' | '1' | '2' | '3' ) { hex } '"' .
+character = space | digit | lower | upper | special | reverse_solidus | apostrophe .
+complex_entity_instance = entity_instance_name '=' subsuper_record ';' .
+control_directive = page | alphabet | extended2 | extended4 | arbitrary .
+data_section = 'DATA' [ '(' parameter_list ')' ] ';' entity_instance_list 'ENDSEC;' .
+digit = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' .
+end_extended = reverse_solidus 'X0' reverse_solidus .
+entity_instance = simple_entity_instance | complex_entity_instance .
+entity_instance_list = { entity_instance } .
+entity_instance_name = '#' digit { digit } .
+enumeration = '.' upper { upper | digit } '.' .
+exchange_file = 'ISO-10303-21;' header_section data_section { data_section } 'END-ISO-10303-21;' .
+extended2 = reverse_solidus 'X2' reverse_solidus hex_two { hex_two } end_extended .
+extended4 = reverse_solidus 'X4' reverse_solidus hex_four { hex_four } end_extended .
+header_entity = keyword '(' [ parameter_list ] ')' ';' .
+header_entity_list = header_entity { header_entity } .
+header_section = 'HEADER;' header_entity header_entity header_entity [header_entity_list] 'ENDSEC;' .
+hex = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | 'A' | 'B' | 'C' | 'D' | 'E' | 'F' .
+hex_four = hex_two hex_two .
+hex_one = hex hex .
+hex_two = hex_one hex_one .
+integer = [ sign ] digit { digit } .
+keyword = user_defined_keyword | standard_keyword .
+list = '(' [ parameter { ',' parameter } ] ')' .
+lower = 'a' | 'b' | 'c' | 'd' | 'e' | 'f' | 'g' | 'h' | 'i' | 'j' | 'k' | 'l' | 'm' | 'n' | 'o' | 'p' | 'q' | 'r' | 's' | 't' | 'u' | 'v' | 'w' | 'x' | 'y' | 'z' .
+non_q_char = special | digit | space | lower | upper .
+omitted_parameter = '*' .
+page = reverse_solidus 'S' reverse_solidus character .
+parameter = typed_parameter | untyped_parameter | omitted_parameter .
+parameter_list = parameter { ',' parameter } .
+real = [ sign ] digit { digit } '.' { digit } [ 'E' [ sign ] digit { digit } ] .
+reverse_solidus = '\' .
+sign = '+' | '-' .
+simple_entity_instance = entity_instance_name '=' simple_record ';' .
+simple_record = keyword '(' [ parameter_list ] ')' .
+simple_record_list = simple_record { simple_record } .
+space = ' ' .
+special = '!' | '"' | '*' | '$' | '%' | '&' | '.' | '#' | '+' | ',' | '-' | '(' | ')' | '?' | '/' | ':' | ';' | '<' | '=' | '>' | '@' | '[' | ']' | '{' | '|' | '}' | '^' | '`' | '~' .
+standard_keyword = upper { upper | digit } .
+string = '''' { non_q_char | apostrophe apostrophe | reverse_solidus reverse_solidus | control_directive } '''' .
+subsuper_record = '(' simple_record_list ')' .
+typed_parameter = keyword '(' parameter ')' .
+untyped_parameter = '$' | integer | real | string | entity_instance_name | enumeration | binary | list .
+upper = 'A' | 'B' | 'C' | 'D' | 'E' | 'F' | 'G' | 'H' | 'I' | 'J' | 'K' | 'L' | 'M' | 'N' | 'O' | 'P' | 'Q' | 'R' | 'S' | 'T' | 'U' | 'V' | 'W' | 'X' | 'Y' | 'Z' | '_' .
+user_defined_keyword = '!' upper { upper | digit } .
