-
+
| [1] |
- turtleDoc |
::= |
statement* |
-
+
| [2] |
- statement |
::= |
directive | (triples ".") |
-
+
| [3] |
- directive |
::= |
prefixID | base | sparqlPrefix | sparqlBase |
-
+
| [4] |
- prefixID |
::= |
"@prefix" PNAME_NS IRIREF "." |
-
+
| [5] |
- base |
::= |
"@base" IRIREF "." |
-
+
| [28s] |
- sparqlPrefix |
::= |
SPARQL_PREFIX PNAME_NS IRIREF |
-
+
| [29s] |
- sparqlBase |
::= |
SPARQL_BASE IRIREF |
-
+
| [6] |
- triples |
::= |
(subject predicateObjectList) | (blankNodePropertyList predicateObjectList?) |
-
+
| [7] |
- predicateObjectList |
::= |
verb objectList (";" (verb objectList)?)* |
-
+
| [8] |
- objectList |
::= |
object ("," object)* |
-
+
| [9] |
- verb |
::= |
predicate | "a" |
-
+
| [10] |
- subject |
::= |
iri | BlankNode | collection |
-
+
| [11] |
- predicate |
::= |
iri |
-
+
| [12] |
- object |
::= |
iri | BlankNode | collection | blankNodePropertyList | literal |
-
+
| [13] |
- literal |
::= |
RDFLiteral | NumericLiteral | BooleanLiteral |
-
+
| [14] |
- blankNodePropertyList |
::= |
"[" predicateObjectList "]" |
-
+
| [15] |
- collection |
::= |
"(" object* ")" |
-
+
| [16] |
- NumericLiteral |
::= |
INTEGER | DECIMAL | DOUBLE |
-
+
| [128s] |
- RDFLiteral |
::= |
String (LANGTAG | ("^^" iri))? |
-
+
| [133s] |
- BooleanLiteral |
::= |
"true" | "false" |
-
+
| [17] |
- String |
::= |
STRING_LITERAL_QUOTE | STRING_LITERAL_SINGLE_QUOTE | STRING_LITERAL_LONG_SINGLE_QUOTE | STRING_LITERAL_LONG_QUOTE |
-
+
| [135s] |
- iri |
::= |
IRIREF | PrefixedName |
-
+
| [136s] |
- PrefixedName |
::= |
PNAME_LN | PNAME_NS |
-
+
| [137s] |
- BlankNode |
::= |
BLANK_NODE_LABEL | ANON |
-
- | @terminals |
+
+ | @terminals |
|
# Productions for terminals |
-
+
| [18] |
- IRIREF |
::= |
"<" (([^<>"{}|^`\] - [#x00-#x20]) | UCHAR)* ">" |
-
+
| [139s] |
- PNAME_NS |
::= |
PN_PREFIX? ":" |
-
+
| [140s] |
- PNAME_LN |
::= |
PNAME_NS PN_LOCAL |
-
+
| [141s] |
- BLANK_NODE_LABEL |
::= |
"_:" (PN_CHARS_U | [0-9]) ((PN_CHARS | ".")* PN_CHARS)? |
-
+
| [144s] |
- LANGTAG |
::= |
"@" [a-zA-Z]+ ("-" [a-zA-Z0-9]+)* |
-
+
| [19] |
- INTEGER |
::= |
[+-]? [0-9]+ |
-
+
| [20] |
- DECIMAL |
::= |
[+-]? ([0-9]* "." [0-9]+) |
-
+
| [21] |
- DOUBLE |
::= |
[+-]? (([0-9]+ "." [0-9]* EXPONENT) | ("." [0-9]+ EXPONENT) | ([0-9]+ EXPONENT)) |
-
+
| [154s] |
- EXPONENT |
::= |
[eE] [+-]? [0-9]+ |
-
+
| [22] |
- STRING_LITERAL_QUOTE |
::= |
'"' ([^>"#x5C#x0A#x0D] | ECHAR | UCHAR)* '"' |
-
+
| [23] |
- STRING_LITERAL_SINGLE_QUOTE |
::= |
"'" ([^#x27#x5C#x0A#x0D] | ECHAR | UCHAR)* "'" |
-
+
| [24] |
- STRING_LITERAL_LONG_SINGLE_QUOTE |
::= |
"'''" (("'" | "''")? ([^'\] | ECHAR | UCHAR))* "'''" |
-
+
| [25] |
- STRING_LITERAL_LONG_QUOTE |
::= |
'"""' (('"' | '""')? ([^"\] | ECHAR | UCHAR))* '"""' |
-
+
| [26] |
- UCHAR |
::= |
("u" HEX HEX HEX HEX) | ("U" HEX HEX HEX HEX HEX HEX HEX HEX) |
-
+
| [159s] |
- ECHAR |
::= |
"\" [tbnrf"'] |
-
+
| [28t] |
- SPARQL_PREFIX |
::= |
[Pp] [Rr] [Ee] [Ff] [Ii] [Xx] |
-
+
| [29t] |
- SPARQL_BASE |
::= |
[Bb] [Aa] [Ss] [Ee] |
-
+
| [161s] |
- WS |
::= |
#x20 | #x09 | #x0D | #x0A |
-
+
| [162s] |
- ANON |
::= |
"[" WS* "]" |
| [163s] |
- PN_CHARS_BASE |
::= |
[A-Z] |
@@ -336,51 +292,43 @@
| |
[#x00010000-#x000EFFFF] |
-
+
| [164s] |
- PN_CHARS_U |
::= |
PN_CHARS_BASE | "_" |
-
+
| [166s] |
- PN_CHARS |
::= |
PN_CHARS_U | "-" | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040] |
-
+
| [167s] |
- PN_PREFIX |
::= |
PN_CHARS_BASE ((PN_CHARS | ".")* PN_CHARS)? |
-
+
| [168s] |
- PN_LOCAL |
::= |
(PN_CHARS_U | ":" | [0-9] | PLX) ((PN_CHARS | "." | ":" | PLX)* (PN_CHARS | ":" | PLX))? |
-
+
| [169s] |
- PLX |
::= |
PERCENT | PN_LOCAL_ESC |
-
+
| [170s] |
- PERCENT |
::= |
"%" HEX HEX |
-
+
| [171s] |
- HEX |
::= |
[0-9A-Fa-f] |
-
+
| [172s] |
- PN_LOCAL_ESC |
::= |
"\" ("_" | "~" | "." | "-" | "!" | "$" | "&" | "'" | "(" | ")" | "*" | "+" | "," | ";" | "=" | "/" | "?" | "#" | "@" | "%") |
diff --git a/lib/ebnf/ll1/lexer.rb b/lib/ebnf/ll1/lexer.rb
index 3aa8a73..7501a6f 100644
--- a/lib/ebnf/ll1/lexer.rb
+++ b/lib/ebnf/ll1/lexer.rb
@@ -201,7 +201,7 @@ def shift
# @param [Array[Symbol]] types Optional set of types for restricting terminals examined
# @return [Token]
def recover(*types)
- until scanner.eos? || tok = match_token(*types)
+ until scanner.eos? || tok = match_token(*types)
if scanner.skip_until(@whitespace || /\s+/m).nil? # Skip past current "token"
# No whitespace at the end, must be and end of string
scanner.terminate
diff --git a/lib/ebnf/writer.rb b/lib/ebnf/writer.rb
index edbd955..8b35631 100644
--- a/lib/ebnf/writer.rb
+++ b/lib/ebnf/writer.rb
@@ -133,7 +133,8 @@ def initialize(rules, out: $stdout, html: false, format: :ebnf, validate: false,
formatted_rules = rules.map do |rule|
if rule.kind == :terminals || rule.kind == :pass
OpenStruct.new(id: ("@#{rule.kind}"),
- sym: nil,
+ class: :declaration,
+ sym: rule.kind,
assign: nil,
formatted: (
rule.kind == :terminals ?
@@ -161,6 +162,7 @@ def initialize(rules, out: $stdout, html: false, format: :ebnf, validate: false,
end
lines << OpenStruct.new(id: ((ndx == 0 ? "[#{rule.id}]" : "") if rule.id),
sym: (rule.sym if ndx == 0 || format == :abnf),
+ class: :production,
assign: assign,
formatted: formatted)
end
@@ -170,6 +172,7 @@ def initialize(rules, out: $stdout, html: false, format: :ebnf, validate: false,
lines
else
OpenStruct.new(id: ("[#{rule.id}]" if rule.id),
+ class: :production,
sym: rule.sym,
assign: (format == :ebnf ? '::=' : '='),
formatted: (formatted_expr + (format == :isoebnf ? ' ;' : '')))
@@ -708,17 +711,16 @@ def format_isoebnf_range(string)
chars.length == 1 ? chars.last.inspect : chars.unshift(:alt)
end
- ERB_DESC = %q(
-
-
+ ERB_DESC = %(\n) +
+ %q(
<% for rule in @rules %>
- >
+ >
<% if rule.id %>
><%= rule.id %>
<% end %>
<% if rule.sym %>
- <%== rule.sym %> |
+ <%== (rule.sym unless rule.class == :declaration) %> |
<% end %>
<%= rule.assign %> |
<%= rule.formatted %> |