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-rw-r--r--eval.c121
1 files changed, 41 insertions, 80 deletions
diff --git a/eval.c b/eval.c
index b857ea4f..5b4418b8 100644
--- a/eval.c
+++ b/eval.c
@@ -25,7 +25,6 @@
#include "awk.h"
-extern void after_beginfile(IOBUF **curfile);
extern double pow(double x, double y);
extern double modf(double x, double *yp);
extern double fmod(double x, double y);
@@ -235,13 +234,13 @@ static const char *const nodetypes[] = {
"Node_val",
"Node_regex",
"Node_dynregex",
+ "Node_typedregex",
"Node_var",
"Node_var_array",
"Node_var_new",
"Node_param_list",
"Node_func",
"Node_ext_func",
- "Node_old_ext_func",
"Node_builtin_func",
"Node_array_ref",
"Node_array_tree",
@@ -332,12 +331,12 @@ static struct optypetab {
{ "Op_builtin", NULL },
{ "Op_sub_builtin", NULL },
{ "Op_ext_builtin", NULL },
- { "Op_old_ext_builtin", NULL }, /* temporary */
{ "Op_in_array", " in " },
{ "Op_func_call", NULL },
{ "Op_indirect_func_call", NULL },
{ "Op_push", NULL },
{ "Op_push_arg", NULL },
+ { "Op_push_arg_untyped", NULL },
{ "Op_push_i", NULL },
{ "Op_push_re", NULL },
{ "Op_push_array", NULL },
@@ -362,6 +361,7 @@ static struct optypetab {
{ "Op_after_beginfile", NULL },
{ "Op_after_endfile", NULL },
{ "Op_func", NULL },
+ { "Op_comment", NULL },
{ "Op_exec_count", NULL },
{ "Op_breakpoint", NULL },
{ "Op_lint", NULL },
@@ -582,14 +582,8 @@ cmp_nodes(NODE *t1, NODE *t2)
if (t1 == t2)
return 0;
- if ((t1->flags & MAYBE_NUM) != 0)
- (void) force_number(t1);
- if ((t2->flags & MAYBE_NUM) != 0)
- (void) force_number(t2);
- if ((t1->flags & INTIND) != 0)
- t1 = force_string(t1);
- if ((t2->flags & INTIND) != 0)
- t2 = force_string(t2);
+ (void) fixtype(t1);
+ (void) fixtype(t2);
if ((t1->flags & NUMBER) != 0 && (t2->flags & NUMBER) != 0)
return cmp_numbers(t1, t2);
@@ -698,7 +692,6 @@ void
set_IGNORECASE()
{
static bool warned = false;
- NODE *n = IGNORECASE_node->var_value;
if ((do_lint || do_traditional) && ! warned) {
warned = true;
@@ -707,19 +700,8 @@ set_IGNORECASE()
load_casetable();
if (do_traditional)
IGNORECASE = false;
- else if ((n->flags & (NUMCUR|NUMBER)) != 0)
- IGNORECASE = ! iszero(n);
- else if ((n->flags & (STRING|STRCUR)) != 0) {
- if ((n->flags & MAYBE_NUM) == 0) {
- (void) force_string(n);
- IGNORECASE = (n->stlen > 0);
- } else {
- (void) force_number(n);
- IGNORECASE = ! iszero(n);
- }
- } else
- IGNORECASE = false; /* shouldn't happen */
-
+ else
+ IGNORECASE = boolval(IGNORECASE_node->var_value);
set_RS(); /* set_RS() calls set_FS() if need be, for us */
}
@@ -730,7 +712,7 @@ set_BINMODE()
{
static bool warned = false;
char *p;
- NODE *v = BINMODE_node->var_value;
+ NODE *v = fixtype(BINMODE_node->var_value);
if ((do_lint || do_traditional) && ! warned) {
warned = true;
@@ -739,7 +721,6 @@ set_BINMODE()
if (do_traditional)
BINMODE = TEXT_TRANSLATE;
else if ((v->flags & NUMBER) != 0) {
- (void) force_number(v);
BINMODE = get_number_si(v);
/* Make sure the value is rational. */
if (BINMODE < TEXT_TRANSLATE)
@@ -827,9 +808,9 @@ set_OFS()
new_ofs_len = OFS_node->var_value->stlen;
if (OFS == NULL)
- emalloc(OFS, char *, new_ofs_len + 2, "set_OFS");
+ emalloc(OFS, char *, new_ofs_len + 1, "set_OFS");
else if (OFSlen < new_ofs_len)
- erealloc(OFS, char *, new_ofs_len + 2, "set_OFS");
+ erealloc(OFS, char *, new_ofs_len + 1, "set_OFS");
memcpy(OFS, OFS_node->var_value->stptr, OFS_node->var_value->stlen);
OFSlen = new_ofs_len;
@@ -947,50 +928,30 @@ set_LINT()
{
#ifndef NO_LINT
int old_lint = do_lint;
- NODE *n = LINT_node->var_value;
-
- if ((n->flags & (STRING|STRCUR)) != 0) {
- if ((n->flags & MAYBE_NUM) == 0) {
- const char *lintval;
- size_t lintlen;
-
- n = force_string(LINT_node->var_value);
- lintval = n->stptr;
- lintlen = n->stlen;
- if (lintlen > 0) {
- do_flags |= DO_LINT_ALL;
- if (lintlen == 5 && strncmp(lintval, "fatal", 5) == 0)
- lintfunc = r_fatal;
- else if (lintlen == 7 && strncmp(lintval, "invalid", 7) == 0) {
- do_flags &= ~ DO_LINT_ALL;
- do_flags |= DO_LINT_INVALID;
- lintfunc = warning;
- } else
- lintfunc = warning;
- } else {
- do_flags &= ~(DO_LINT_ALL|DO_LINT_INVALID);
- lintfunc = warning;
+ NODE *n = fixtype(LINT_node->var_value);
+
+ lintfunc = r_warning; /* reset to default */
+ if ((n->flags & STRING) != 0) {
+ const char *lintval;
+ size_t lintlen;
+
+ lintval = n->stptr;
+ lintlen = n->stlen;
+ if (lintlen > 0) {
+ do_flags |= DO_LINT_ALL;
+ if (lintlen == 5 && strncmp(lintval, "fatal", 5) == 0)
+ lintfunc = r_fatal;
+ else if (lintlen == 7 && strncmp(lintval, "invalid", 7) == 0) {
+ do_flags &= ~DO_LINT_ALL;
+ do_flags |= DO_LINT_INVALID;
}
} else {
- (void) force_number(n);
- if (! iszero(n))
- do_flags |= DO_LINT_ALL;
- else
- do_flags &= ~(DO_LINT_ALL|DO_LINT_INVALID);
- lintfunc = warning;
- }
- } else if ((n->flags & (NUMCUR|NUMBER)) != 0) {
- (void) force_number(n);
- if (! iszero(n))
- do_flags |= DO_LINT_ALL;
- else
do_flags &= ~(DO_LINT_ALL|DO_LINT_INVALID);
- lintfunc = warning;
- } else
- do_flags &= ~(DO_LINT_ALL|DO_LINT_INVALID); /* shouldn't happen */
-
- if (! do_lint)
- lintfunc = warning;
+ }
+ } else if (! iszero(n))
+ do_flags |= DO_LINT_ALL;
+ else
+ do_flags &= ~(DO_LINT_ALL|DO_LINT_INVALID);
/* explicitly use warning() here, in case lintfunc == r_fatal */
if (old_lint != do_lint && old_lint && ! do_lint)
@@ -1026,6 +987,7 @@ update_ERRNO_int(int errcode)
{
char *cp;
+ update_PROCINFO_num("errno", errcode);
if (errcode) {
cp = strerror(errcode);
cp = gettext(cp);
@@ -1040,6 +1002,7 @@ update_ERRNO_int(int errcode)
void
update_ERRNO_string(const char *string)
{
+ update_PROCINFO_num("errno", 0);
unref(ERRNO_node->var_value);
ERRNO_node->var_value = make_string(string, strlen(string));
}
@@ -1049,6 +1012,7 @@ update_ERRNO_string(const char *string)
void
unset_ERRNO(void)
{
+ update_PROCINFO_num("errno", 0);
unref(ERRNO_node->var_value);
ERRNO_node->var_value = dupnode(Nnull_string);
}
@@ -1190,7 +1154,7 @@ r_get_field(NODE *n, Func_ptr *assign, bool reference)
if (assign)
*assign = NULL;
if (do_lint) {
- if ((n->flags & NUMBER) == 0) {
+ if ((fixtype(n)->flags & NUMBER) == 0) {
lintwarn(_("attempt to field reference from non-numeric value"));
if (n->stlen == 0)
lintwarn(_("attempt to field reference from null string"));
@@ -1360,6 +1324,11 @@ setup_frame(INSTRUCTION *pc)
r->var_value = m;
break;
+ case Node_typedregex:
+ r->type = Node_var;
+ r->var_value = m;
+ break;
+
default:
cant_happen();
}
@@ -1539,15 +1508,7 @@ eval_condition(NODE *t)
if (t == node_Boolean[true])
return true;
- if ((t->flags & MAYBE_NUM) != 0)
- force_number(t);
- else if ((t->flags & INTIND) != 0)
- force_string(t);
-
- if ((t->flags & NUMBER) != 0)
- return ! iszero(t);
-
- return (t->stlen != 0);
+ return boolval(t);
}
/* cmp_scalars -- compare two nodes on the stack */