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grammar update

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This commit is contained in:
Andreas Rumpf 2017-03-31 17:02:14 +02:00
commit 98c6af780e
1 changed files with 2 additions and 4 deletions
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doc/grammar.txt
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@ -10,7 +10,7 @@ operator = OP0 | OP1 | OP2 | OP3 | OP4 | OP5 | OP6 | OP7 | OP8 | OP9
prefixOperator = operator
optInd = COMMENT?
optPar = (IND{>} | IND{=})?
simpleExpr = arrowExpr (OP0 optInd arrowExpr)*
simpleExpr = arrowExpr (OP0 optInd arrowExpr)* pragma?
arrowExpr = assignExpr (OP1 optInd assignExpr)*
assignExpr = orExpr (OP2 optInd orExpr)*
orExpr = andExpr (OP3 optInd andExpr)*
@ -23,8 +23,6 @@ mulExpr = dollarExpr (OP9 optInd dollarExpr)*
dollarExpr = primary (OP10 optInd primary)*
symbol = '`' (KEYW|IDENT|literal|(operator|'('|')'|'['|']'|'{'|'}'|'=')+)+ '`'
| IDENT | 'addr' | 'type'
indexExpr = expr
indexExprList = indexExpr ^+ comma
exprColonEqExpr = expr (':'|'=' expr)?
exprList = expr ^+ comma
dotExpr = expr '.' optInd symbol
@ -194,7 +192,7 @@ complexOrSimpleStmt = (ifStmt | whenStmt | whileStmt
| 'converter' routine
| 'type' section(typeDef)
| 'const' section(constant)
| ('let' | 'var') section(variable)
| ('let' | 'var' | 'using') section(variable)
| bindStmt | mixinStmt)
/ simpleStmt
stmt = (IND{>} complexOrSimpleStmt^+(IND{=} / ';') DED)