diff options
Diffstat (limited to 'js/src/frontend/ParseNode.h')
| -rw-r--r-- | js/src/frontend/ParseNode.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/js/src/frontend/ParseNode.h b/js/src/frontend/ParseNode.h index 0ad0fe0885..377eb999d9 100644 --- a/js/src/frontend/ParseNode.h +++ b/js/src/frontend/ParseNode.h @@ -130,8 +130,12 @@ class ObjectBox; \ /* \ * Binary operators. \ - * These must be in the same order as TOK_OR and friends in TokenStream.h. \ + * These must be in the same order in several places: \ + * - the precedence table and JSOp code list in Parser.cpp \ + * - the binary operators in TokenKind.h \ + * - the first and last binary operator markers in ParseNode.h \ */ \ + F(COALESCE) \ F(OR) \ F(AND) \ F(BITOR) \ @@ -189,7 +193,13 @@ enum ParseNodeKind FOR_EACH_PARSE_NODE_KIND(EMIT_ENUM) #undef EMIT_ENUM PNK_LIMIT, /* domain size */ - PNK_BINOP_FIRST = PNK_OR, + /* + * Binary operator markers. + * These must be in the same order in several places: + * - the precedence table and JSOp code list in Parser.cpp + * - the binary operators in ParseNode.h and TokenKind.h + */ + PNK_BINOP_FIRST = PNK_COALESCE, PNK_BINOP_LAST = PNK_POW, PNK_ASSIGNMENT_START = PNK_ASSIGN, PNK_ASSIGNMENT_LAST = PNK_POWASSIGN @@ -329,8 +339,9 @@ IsTypeofKind(ParseNodeKind kind) * PNK_POWASSIGN * PNK_CONDITIONAL ternary (cond ? trueExpr : falseExpr) * pn_kid1: cond, pn_kid2: then, pn_kid3: else - * PNK_OR, list pn_head; list of pn_count subexpressions - * PNK_AND, All of these operators are left-associative except (**). + * PNK_COALESCE, list pn_head; list of pn_count subexpressions + * PNK_OR, All of these operators are left-associative except (**). + * PNK_AND * PNK_BITOR, * PNK_BITXOR, * PNK_BITAND, |