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index.jison
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index.jison
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/* lexical grammar */
%lex
/*
%s timestamp
*/
%%
/*
"@" { this.begin("timestamp"); return 'AT' }
<timestamp>[0-9]+("."[0-9]+)? return 'FLOAT'
<timestamp>"s" { this.popState(); return 'SECONDS' }
*/
[^\S\r\n]+ return "WHITESPACE"
[0-9]+ return "NUMBER"
/*
"-" return "DASH"
*/
(R|F|U|B|L|D) return "FAMILY_UPPERCASE"
/*
(r|f|u|b|l|d) return "FAMILY_LOWERCASE"
(Rw|Fw|Uw|Bw|Lw|Dw) return "FAMILY_W"
(x|y|z) return "FAMILY_ROTATION"
(M|E|S|m|e|s) return "FAMILY_SLICE"
*/
"'" return "PRIME"
"." return "PAUSE"
"//"[^\n\r]* return "COMMENT_SHORT"
"/*"[^]*?"*/" return "COMMENT_LONG"
[\n\r] return "NEWLINE"
"[" return "OPEN_BRACKET"
"]" return "CLOSE_BRACKET"
"(" return "OPEN_PARENTHESIS"
")" return "CLOSE_PARENTHESIS"
"," return "COMMA"
":" return "COLON"
<<EOF>> return "EOF"
. return "INVALID"
/lex
%% /* language grammar */
expressions
: TOP_LEVEL_ALG EOF
{ return $TOP_LEVEL_ALG; }
;
/*
LAYER
: NUMBER
{$$ = parseInt($NUMBER);}
;
*/
REPETITION
: NUMBER
{$$ = parseInt($NUMBER);}
;
AMOUNT
: REPETITION
| REPETITION PRIME
{$$ = -$REPETITION;}
| PRIME
{$$ = -1;}
;
COMMENT
: COMMENT_SHORT
{$$ = {type: "commentShort", comment: $COMMENT_SHORT.slice(2)};}
| COMMENT_LONG
{$$ = {type: "commentLong", comment: $COMMENT_LONG.slice(2, -2)};}
;
/*
FAMILY_WIDE
: FAMILY_W
| FAMILY_LOWERCASE
;
*/
BLOCK_MOVE_FAMILY
: FAMILY_UPPERCASE
/*
| FAMILY_WIDE
| FAMILY_ROTATION
| FAMILY_SLICE
*/
;
BLOCK_MOVE
: BLOCK_MOVE_FAMILY
{$$ = {type: "blockMove", family: $BLOCK_MOVE_FAMILY};}
/*
| LAYER FAMILY_UPPERCASE
{$$ = {type: "move", family: $FAMILY_UPPERCASE, layer: $LAYER};}
| LAYER FAMILY_WIDE
{$$ = {type: "move", family: $FAMILY_WIDE, endLayer: $LAYER};}
| LAYER DASH LAYER FAMILY_WIDE
{$$ = {type: "move", family: $FAMILY_WIDE, startLayer: $1, endLayer: $3};}
*/
;
/*
TIMESTAMP
: AT FLOAT SECONDS
{$$ = {type: "timestamp", time: parseFloat($2)};}
;
*/
OPTIONAL_WHITESPACE
: WHITESPACE OPTIONAL_WHITESPACE
| /* nothing */
;
REPEATABLE_UNIT
: BLOCK_MOVE
| OPEN_BRACKET UNIT_OR_SEQUENCE COMMA UNIT_OR_SEQUENCE CLOSE_BRACKET
{$$ = {"type": "commutator", "A": $2, "B": $4};}
| OPEN_BRACKET UNIT_OR_SEQUENCE COLON UNIT_OR_SEQUENCE CLOSE_BRACKET
{$$ = {"type": "conjugate", "A": $2, "B": $4};}
| OPEN_PARENTHESIS UNIT_OR_SEQUENCE CLOSE_PARENTHESIS
{$$ = {"type": "group", "nestedAlg": $UNIT_OR_SEQUENCE};}
;
REPEATED_UNIT
: REPEATABLE_UNIT
{$REPEATABLE_UNIT.amount = 1; $$ = $REPEATABLE_UNIT;}
| REPEATABLE_UNIT AMOUNT
{$REPEATABLE_UNIT.amount = $AMOUNT; $$ = $REPEATABLE_UNIT;}
| PAUSE
{$$ = {type: "pause"};}
| NEWLINE
{$$ = {type: "newLine"};}
| COMMENT
;
UNIT_LIST
: REPEATED_UNIT OPTIONAL_WHITESPACE REPEATED_UNIT
{$$ = [$1, $3];}
| UNIT_LIST OPTIONAL_WHITESPACE REPEATED_UNIT
{$$ = $1.concat([$3]);}
;
UNIT_OR_SEQUENCE
: OPTIONAL_WHITESPACE REPEATED_UNIT OPTIONAL_WHITESPACE
{$$ = $REPEATED_UNIT;}
| OPTIONAL_WHITESPACE UNIT_LIST OPTIONAL_WHITESPACE
{$$ = {"type": "sequence", "nestedAlgs": $UNIT_LIST};}
;
TOP_LEVEL_ALG
: UNIT_OR_SEQUENCE
{$$ = $1;}
/*
| OPTIONAL_WHITESPACE TIMESTAMP OPTIONAL_WHITESPACE
{$$ = [$TIMESTAMP];}
*/
;