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expression nodes now can have a flag EX_ERROR

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dick
1986-03-27 18:17:48 +00:00
parent f2764393be
commit ad1feaf35c
11 changed files with 50 additions and 38 deletions
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11
lang/cem/cemcom/expr.str
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@@ -68,11 +68,12 @@ struct expr {
/* some bits for the ex_flag field, to keep track of various
interesting properties of an expression.
*/
#define EX_SIZEOF 001 /* contains sizeof operator */
#define EX_CAST 002 /* contains cast */
#define EX_LOGICAL 004 /* contains logical operator */
#define EX_COMMA 010 /* contains expression comma */
#define EX_PARENS 020 /* the top level is parenthesized */
#define EX_SIZEOF 0001 /* contains sizeof operator */
#define EX_CAST 0002 /* contains cast */
#define EX_LOGICAL 0004 /* contains logical operator */
#define EX_COMMA 0010 /* contains expression comma */
#define EX_PARENS 0020 /* the top level is parenthesized */
#define EX_ERROR 0200 /* the expression is wrong */
#define NILEXPR ((struct expr *)0)