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-rw-r--r--awk.h33
1 files changed, 20 insertions, 13 deletions
diff --git a/awk.h b/awk.h
index c9eec663..6a9a8ac9 100644
--- a/awk.h
+++ b/awk.h
@@ -436,6 +436,10 @@ typedef struct exp_node {
* is a hint to indicate that an integer array optimization may be
* used when this value appears as a subscript.
*
+ * The BOOL flag indicates that this number should be converted to True
+ * or False by extensions that interchange data with other languages,
+ * via JSON, XML or some other serialization mechanism.
+ *
* We hope that the rest of the flags are self-explanatory. :-)
*/
MALLOC = 0x0001, /* stptr can be free'd, i.e. not a field node pointing into a shared buffer */
@@ -445,24 +449,25 @@ typedef struct exp_node {
NUMBER = 0x0010, /* assigned as number */
USER_INPUT = 0x0020, /* user input: if NUMERIC then
* a NUMBER */
- INTLSTR = 0x0040, /* use localized version */
- NUMINT = 0x0080, /* numeric value is an integer */
- INTIND = 0x0100, /* integral value is array index;
+ BOOL = 0x0040, /* this is a boolean value */
+ INTLSTR = 0x0080, /* use localized version */
+ NUMINT = 0x0100, /* numeric value is an integer */
+ INTIND = 0x0200, /* integral value is array index;
* lazy conversion to string.
*/
- WSTRCUR = 0x0200, /* wide str value is current */
- MPFN = 0x0400, /* arbitrary-precision floating-point number */
- MPZN = 0x0800, /* arbitrary-precision integer */
- NO_EXT_SET = 0x1000, /* extension cannot set a value for this variable */
- NULL_FIELD = 0x2000, /* this is the null field */
+ WSTRCUR = 0x0400, /* wide str value is current */
+ MPFN = 0x0800, /* arbitrary-precision floating-point number */
+ MPZN = 0x01000, /* arbitrary-precision integer */
+ NO_EXT_SET = 0x02000, /* extension cannot set a value for this variable */
+ NULL_FIELD = 0x04000, /* this is the null field */
/* type = Node_var_array */
- ARRAYMAXED = 0x4000, /* array is at max size */
- HALFHAT = 0x8000, /* half-capacity Hashed Array Tree;
+ ARRAYMAXED = 0x08000, /* array is at max size */
+ HALFHAT = 0x010000, /* half-capacity Hashed Array Tree;
* See cint_array.c */
- XARRAY = 0x10000,
- NUMCONSTSTR = 0x20000, /* have string value for numeric constant */
- REGEX = 0x40000, /* this is a typed regex */
+ XARRAY = 0x020000,
+ NUMCONSTSTR = 0x040000, /* have string value for numeric constant */
+ REGEX = 0x080000, /* this is a typed regex */
} flags;
long valref;
} NODE;
@@ -1503,6 +1508,7 @@ extern int strncasecmpmbs(const unsigned char *,
const unsigned char *, size_t);
extern int sanitize_exit_status(int status);
extern void check_symtab_functab(NODE *dest, const char *fname, const char *msg);
+extern NODE *do_mkbool(int nargs);
/* debug.c */
extern void init_debug(void);
extern int debug_prog(INSTRUCTION *pc);
@@ -1714,6 +1720,7 @@ extern NODE *r_force_number(NODE *n);
extern NODE *r_format_val(const char *format, int index, NODE *s);
extern NODE *r_dupnode(NODE *n);
extern NODE *make_str_node(const char *s, size_t len, int flags);
+extern NODE *make_bool_node(bool value);
extern NODE *make_typed_regex(const char *re, size_t len);
extern void *more_blocks(int id);
extern int parse_escape(const char **string_ptr);