steve
/
factor
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Get for(x in y) { } working in js parser

db4
Chris Double 2008-06-30 18:24:59 +12:00
parent bf664e7ec8
commit 87bbe8cae1
1 changed files with 29 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
extra/peg/javascript/parser/parser.factor
View File

@ -42,15 +42,35 @@ Expr = OrExpr:e "?" Expr:t ":" Expr:f => [[ e t f ast-cond-exp
| OrExpr:e "||=" Expr:rhs => [[ e rhs "||" ast-mset boa ]]
| OrExpr:e => [[ e ]]
ExprNoIn = OrExprNoIn:e "?" ExprNoIn:t ":" ExprNoIn:f => [[ e t f ast-cond-expr boa ]]
| OrExprNoIn:e "=" ExprNoIn:rhs => [[ e rhs ast-set boa ]]
| OrExprNoIn:e "+=" ExprNoIn:rhs => [[ e rhs "+" ast-mset boa ]]
| OrExprNoIn:e "-=" ExprNoIn:rhs => [[ e rhs "-" ast-mset boa ]]
| OrExprNoIn:e "*=" ExprNoIn:rhs => [[ e rhs "*" ast-mset boa ]]
| OrExprNoIn:e "/=" ExprNoIn:rhs => [[ e rhs "/" ast-mset boa ]]
| OrExprNoIn:e "%=" ExprNoIn:rhs => [[ e rhs "%" ast-mset boa ]]
| OrExprNoIn:e "&&=" ExprNoIn:rhs => [[ e rhs "&&" ast-mset boa ]]
| OrExprNoIn:e "||=" ExprNoIn:rhs => [[ e rhs "||" ast-mset boa ]]
| OrExprNoIn:e => [[ e ]]
OrExpr = OrExpr:x "||" AndExpr:y => [[ x y "||" ast-binop boa ]]
| AndExpr
OrExprNoIn = OrExprNoIn:x "||" AndExprNoIn:y => [[ x y "||" ast-binop boa ]]
| AndExprNoIn
AndExpr = AndExpr:x "&&" EqExpr:y => [[ x y "&&" ast-binop boa ]]
| EqExpr
AndExprNoIn = AndExprNoIn:x "&&" EqExprNoIn:y => [[ x y "&&" ast-binop boa ]]
| EqExprNoIn
EqExpr = EqExpr:x "==" RelExpr:y => [[ x y "==" ast-binop boa ]]
| EqExpr:x "!=" RelExpr:y => [[ x y "!=" ast-binop boa ]]
| EqExpr:x "===" RelExpr:y => [[ x y "===" ast-binop boa ]]
| EqExpr:x "!==" RelExpr:y => [[ x y "!==" ast-binop boa ]]
| RelExpr
EqExprNoIn = EqExprNoIn:x "==" RelExprNoIn:y => [[ x y "==" ast-binop boa ]]
| EqExprNoIn:x "!=" RelExprNoIn:y => [[ x y "!=" ast-binop boa ]]
| EqExprNoIn:x "===" RelExprNoIn:y => [[ x y "===" ast-binop boa ]]
| EqExprNoIn:x "!==" RelExprNoIn:y => [[ x y "!==" ast-binop boa ]]
| RelExprNoIn
RelExpr = RelExpr:x ">" ShiftExpr:y => [[ x y ">" ast-binop boa ]]
| RelExpr:x ">=" ShiftExpr:y => [[ x y ">=" ast-binop boa ]]
| RelExpr:x "<" ShiftExpr:y => [[ x y "<" ast-binop boa ]]
@ -58,6 +78,12 @@ RelExpr = RelExpr:x ">" ShiftExpr:y => [[ x y ">" ast-bino
| RelExpr:x "instanceof" ShiftExpr:y => [[ x y "instanceof" ast-binop boa ]]
| RelExpr:x "in" ShiftExpr:y => [[ x y "in" ast-binop boa ]]
| ShiftExpr
RelExprNoIn = RelExprNoIn:x ">" ShiftExpr:y => [[ x y ">" ast-binop boa ]]
| RelExprNoIn:x ">=" ShiftExpr:y => [[ x y ">=" ast-binop boa ]]
| RelExprNoIn:x "<" ShiftExpr:y => [[ x y "<" ast-binop boa ]]
| RelExprNoIn:x "<=" ShiftExpr:y => [[ x y "<=" ast-binop boa ]]
| RelExprNoIn:x "instanceof" ShiftExpr:y => [[ x y "instanceof" ast-binop boa ]]
| ShiftExpr
ShiftExpr = ShiftExpr:x "<<" AddExpr:y => [[ x y "<<" ast-binop boa ]]
| ShiftExpr:x ">>>" AddExpr:y => [[ x y ">>>" ast-binop boa ]]
| ShiftExpr:x ">>" AddExpr:y => [[ x y ">>" ast-binop boa ]]
@ -98,7 +124,7 @@ PrimExprHd = "(" Expr:e ")" => [[ e ]]
| "new" PrimExpr:n => [[ n f ast-new boa ]]
| "[" Args:es "]" => [[ es ast-array boa ]]
| Json
JsonBindings = (JsonBinding ("," JsonBinding => [[ second ]])* => [[ first2 swap prefix ]])?
JsonBindings = (JsonBinding ("," JsonBinding => [[ second ]])* => [[ first2 swap prefix ]])?
Json = "{" JsonBindings:bs "}" => [[ bs ast-json boa ]]
JsonBinding = JsonPropName:n ":" Expr:v => [[ n v ast-binding boa ]]
JsonPropName = Name | Number | String | RegExp
@ -111,14 +137,14 @@ Binding = Name:n "=" Expr:v => [[ n v ast-var
Block = "{" SrcElems:ss "}" => [[ ss ]]
Bindings = (Binding ("," Binding => [[ second ]])* => [[ first2 swap prefix ]])?
For1 = "var" Bindings => [[ second ]]
| Expr
| ExprNoIn
| Spaces => [[ "undefined" ast-get boa ]]
For2 = Expr
| Spaces => [[ "true" ast-get boa ]]
For3 = Expr
| Spaces => [[ "undefined" ast-get boa ]]
ForIn1 = "var" Name:n => [[ n "undefined" ast-get boa ast-var boa ]]
| Expr
| PrimExprHd
Switch1 = "case" Expr:c ":" SrcElems:cs => [[ c cs ast-case boa ]]
| "default" ":" SrcElems:cs => [[ cs ast-default boa ]]
SwitchBody = Switch1*