EBNF
Table of Contents
Program
The template language starts with the non-terminal token: "Program".
Program ::= Code EOF
::= ( Text | Block )*
::= TextBlock
| LiteralBlock
| DelimiterBlock
::= CommentBlock
| DeclarationBlock
| ModifyingBlock
| OutputBlock
| LiteralBlock
| CycleBlock
| LoopBlock
| CodeFlowBlock
| TranslationBlockText blocks
::= ( ~'{' | ''! '{' )*
::= '{' 'literal' '}' Graphic * '{' '/literal' '}'
:== '{ldelim}' | '{rdelim}'Blocks
::= '{*' Graphic * '*}'
::= '{' 'var' SubDefineBlock '}'
| '{' 'cycle' SubDefineBlock '}'
| '{' 'use' SubDefineBlock '}'
::= PrimaryVariable ( '=' Expression )? ( ',' SubDefineBlock )?
::= '{' SubAssignBlock (',' SubAssignBlock)* '}'
::= AssignmentExpr | IncrementExpr | DecrementExpr
::= PrimaryVariable ( '=' | CombinedAssignment) Expression
::= ( ( '++' PrimaryVariable ) | ( PrimaryVariable '++' ) )
::= ( ( '--' PrimaryVariable ) | ( PrimaryVariable '--' ) )
::= '{' Expression '}'
::= '{' 'increment' PrimaryVariable ( ',' PrimaryVariable )* '}'
| '{' 'decrement' PrimaryVariable ( ',' PrimaryVariable )* '}'
| '{' 'reset' PrimaryVariable ( ',' PrimaryVariable )* '}'Loop control
::= ForeachStatement
| WhileStatement
::= '{' 'foreach' Expression 'as' PrimaryVariable ('=>' PrimaryVariable)? (Cycle)* (OffsetAndLimit)? '}' Code '{' '/foreach' '}'
::= '{' 'while' Expression '}' Code '{' '/while' '}'
::= ('increment' | 'decrement') PrimaryVariable (',' PrimaryVariable)*
::= ('offset' Expression)? ('limit' Expression)?Code flow control
::= IfStatement
| SwitchStatement
| IncludeStatement
| DelimiterStatement
| '{break}'
| '{skip}'
| '{continue}'
| CaptureStatement
| ReturnStatement
::= '{' 'if' Expression '}' Code (ElseIf)* (Else)? '{' '/if' '}'
::= '{' 'elseif' Expression '}' Code
::= '{' 'else' '}' Code
::= '{' 'switch' Expression '}' (Case)* (DefaultCase)? '{' '/switch' '}'
::= '{' 'case' Literal ( ',' Literal)* '}' Code '{' '/case' '}'
::= '{' 'default' '}' Code '{' '/default' '}'
::= '{' 'include' Expression ('send' ExprAsPrimVarList)? ('receive' PrimVarAsPrimVarList)? '}'
::= '{' 'delimiter' (modulo Expression ('is' Expression)? )? '}' Code '{' '/delimiter' '}'
::= '{' 'capture' Expression '}' Code '{' '/capture' '}'
::= '{' 'return' PrimaryVariable '}'
::= ( Expression 'as' PrimaryVariable | PrimaryVariable ) (',' ExprAsPrimVarList)?
::= PrimaryVariable ('as' PrimaryVariable)? (',' PrimVarAsPrimVarList)?Translations
::= TranslationContextStatement | TranslationStatement
::= '{' 'tr_context' StringLiteral '}'
::= '{' 'tr' StringLiteral ('context' StringLiteral)? ('comment' StringLiteral)? TranslationVars? '}'
::= 'vars' TranslationVarList
::= TranslationVar | TranslationVar ',' TranslationVarList
::= TranslationVarKey? Expression
::= ( StringLiteral | NumeralLiteral ) '=>'Expression
::= PreUnaryExpression (BinaryOperator Expression)?
::= '++' PrimaryVariable
| '--' PrimaryVariable
| UnaryExpression
| Expression 'instanceof' Identifier
| ArrayDeclaration
::= 'array' '(' ( (Expression '=>')? Expression ( ',' Expression )* (',')? )? ')'
| Expression '..' Expression
::= ( UnaryOperator )* PostFixExpression
::= PrimaryVariable ( '++' | '--' )?
| Literal
| FunctionCall
| '(' Expression ')'
::= '$' Identifier ( '[' Expression ']' | '->' Expression )*
::= Identifier '(' (ParameterList)? ')'
::= Expression ( ',' Expression )*
::= Letter ( Letter | Digit | '_' )*Basic literals
::= NumeralLiteral
| StringLiteral
| BooleanLiteral
| NullLiteral
::= HexLiteral | OctLiteral | FloatLiteral
::= '0x' HexDigit +
::= '0' OctDigit +
::= NonZeroDigit Digit * ( '.' Digit + )? (('e'|'E') ('+'|'-')? Digit + )?
::= '"' Graphic * '"'
| "'" Graphic * "'"
::= 'true'
| 'false'
::= 'null'Lexicon
::= '//' Graphic * ( EOL | '}' )
| '/*' Graphic * '*/'
::= Digit | Letter | Blank | Operators | Assignment | CombinedAssignment | RemainingCharSet
::= end-of-line
::= end-of-file
::= Tab | Space
::= '\n'
::= ' '
::= '\t'
::= 'a' ... 'z' | 'A' ... 'Z'
::= '0' .. '9' | 'A' .. 'F'
::= '0' .. '8'
::= '1' .. '9'
::= '0' | NonZeroDigit
::= '='
::= '+=' | '-=' | '*=' | '/=' | '%=' | '.='
::= BinaryOperator | UnaryOperator | '++' | '--'
::= ArithmeticOperator | ComparisonOperator | BooleanOperator | StringOperator
::= '+' | '-' | '*' | '/' | '%'
::= '==' | '===' | '!=' | '!==' | '<' | '<=' | '>' | '>='
::= '&&' | '||'
::= '.'
::= '+' | '-' | '!'
::= '.' | ':' | ';' | ',' | '~' | '(' | ')' | '[' | ']' | '{' | '}' | '_' | '|' | "'" | '"' | '`' | '#' | '$' | '@'