From cf934006c650d3d008a4408bedbd95597f906e43 Mon Sep 17 00:00:00 2001
From: Taylan Kammer <taylan.kammer@gmail.com>
Date: Mon, 31 Mar 2025 23:46:24 +0200
Subject: parser cleanup

---
 spec/parser.bnf  | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 spec/parser.ebnf | 75 --------------------------------------------------------
 2 files changed, 75 insertions(+), 75 deletions(-)
 create mode 100644 spec/parser.bnf
 delete mode 100644 spec/parser.ebnf

(limited to 'spec')

diff --git a/spec/parser.bnf b/spec/parser.bnf
new file mode 100644
index 0000000..caa24f3
--- /dev/null
+++ b/spec/parser.bnf
@@ -0,0 +1,75 @@
+unit          : blank* ( datum blank? | EOF ) ;
+
+
+blank         : 9...13 | comment ;
+
+datum         : one_datum ( join_char? one_datum )* ;
+
+join_char     : '.' | ':' ;
+
+
+comment       : ';' ( skip_unit | skip_line ) ;
+
+skip_unit     : '~' unit ;
+
+skip_line     : ( ~LF )* LF? ;
+
+
+one_datum     : bare_string | clad_datum ;
+
+bare_string   : ( '.' | '+' | '-' | DIGIT ) ( bare_str_elt | '.' )*
+              | bare_str_elt+
+              ;
+
+clad_datum    : '\' bare_esc_str
+              | '|' pipe_str_elt* '|'
+              | '"' quot_str_elt* '"'
+              | '#' hash_expr
+              | '(' list ')'
+              | '[' list ']'
+              | '{' list '}'
+              | quote_expr
+              ;
+
+
+bare_str_elt  : bare_char | '\' bare_esc ;
+
+
+bare_esc_str  : bare_esc bare_str_elt* ;
+
+pipe_str_elt  : ~( '|' | '\' ) | '\' pipe_esc ;
+
+quot_str_elt  : ~( '"' | '\' ) | '\' quot_esc ;
+
+hash_expr     : rune clad_datum?
+              | '%' label ( '%' | '=' datum )
+              | clad_datum
+              ;
+
+list          : unit* ( '.' unit )? blank* ;
+
+quote_expr    : ( "'" | "`" | "," ) datum ;
+
+
+bare_char     : ALPHA | DIGIT | bare_punct ;
+
+bare_punct    : '!' | '$' | '%' | '&' | '*' | '+' | '-' | '/'
+              | '<' | '=' | '>' | '?' | '@' | '^' | '_' | '~'
+              ;
+
+bare_esc      : 33...126 ;
+
+
+pipe_esc      : string_esc | '|' ;
+
+quot_esc      : string_esc | '"' ;
+
+string_esc    : '\' | 'a' | 'b' | 'e' | 'f' | 'n' | 'r' | 't' | 'v'
+              | 'x' HEXDIG{2}
+              | 'u' '{' HEXDIG+ '}'
+              ;
+
+
+rune          : ALPHA ( ALPHA | DIGIT ){0,5} ;
+
+label         : HEXDIG{1,12} ;
diff --git a/spec/parser.ebnf b/spec/parser.ebnf
deleted file mode 100644
index caa24f3..0000000
--- a/spec/parser.ebnf
+++ /dev/null
@@ -1,75 +0,0 @@
-unit          : blank* ( datum blank? | EOF ) ;
-
-
-blank         : 9...13 | comment ;
-
-datum         : one_datum ( join_char? one_datum )* ;
-
-join_char     : '.' | ':' ;
-
-
-comment       : ';' ( skip_unit | skip_line ) ;
-
-skip_unit     : '~' unit ;
-
-skip_line     : ( ~LF )* LF? ;
-
-
-one_datum     : bare_string | clad_datum ;
-
-bare_string   : ( '.' | '+' | '-' | DIGIT ) ( bare_str_elt | '.' )*
-              | bare_str_elt+
-              ;
-
-clad_datum    : '\' bare_esc_str
-              | '|' pipe_str_elt* '|'
-              | '"' quot_str_elt* '"'
-              | '#' hash_expr
-              | '(' list ')'
-              | '[' list ']'
-              | '{' list '}'
-              | quote_expr
-              ;
-
-
-bare_str_elt  : bare_char | '\' bare_esc ;
-
-
-bare_esc_str  : bare_esc bare_str_elt* ;
-
-pipe_str_elt  : ~( '|' | '\' ) | '\' pipe_esc ;
-
-quot_str_elt  : ~( '"' | '\' ) | '\' quot_esc ;
-
-hash_expr     : rune clad_datum?
-              | '%' label ( '%' | '=' datum )
-              | clad_datum
-              ;
-
-list          : unit* ( '.' unit )? blank* ;
-
-quote_expr    : ( "'" | "`" | "," ) datum ;
-
-
-bare_char     : ALPHA | DIGIT | bare_punct ;
-
-bare_punct    : '!' | '$' | '%' | '&' | '*' | '+' | '-' | '/'
-              | '<' | '=' | '>' | '?' | '@' | '^' | '_' | '~'
-              ;
-
-bare_esc      : 33...126 ;
-
-
-pipe_esc      : string_esc | '|' ;
-
-quot_esc      : string_esc | '"' ;
-
-string_esc    : '\' | 'a' | 'b' | 'e' | 'f' | 'n' | 'r' | 't' | 'v'
-              | 'x' HEXDIG{2}
-              | 'u' '{' HEXDIG+ '}'
-              ;
-
-
-rune          : ALPHA ( ALPHA | DIGIT ){0,5} ;
-
-label         : HEXDIG{1,12} ;
-- 
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