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Display fully qualified local label in "not defined" message

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Add new function "local_scope" to label subsystem to
return the previous non-local label for a given local label,
and invoke this funcion in eval.c to display the fully
qualified name in the "not defined" error message.
This commit is contained in:
Charles Crayne 2008-03-12 22:39:03 -07:00
parent aed5cfea58
commit d60059ef41
3 changed files with 12 additions and 4 deletions
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10
eval.c
View File

@ -668,6 +668,7 @@ static expr *expr6(int critical)
expr *e;
int32_t label_seg;
int64_t label_ofs;
char *scope;
switch (i) {
case '-':
@ -783,14 +784,15 @@ static expr *expr6(int critical)
label_ofs = in_abs_seg ? abs_offset : location->offset;
} else {
if (!labelfunc(tokval->t_charptr, &label_seg, &label_ofs)) {
scope = local_scope(tokval->t_charptr);
if (critical == 2) {
error(ERR_NONFATAL, "symbol `%s' undefined",
tokval->t_charptr);
error(ERR_NONFATAL, "symbol `%s%s' undefined",
scope,tokval->t_charptr);
return NULL;
} else if (critical == 1) {
error(ERR_NONFATAL,
"symbol `%s' not defined before use",
tokval->t_charptr);
"symbol `%s%s' not defined before use",
scope,tokval->t_charptr);
return NULL;
} else {
if (opflags)

5
labels.c
View File

@ -443,6 +443,11 @@ static char *perm_copy(const char *string)
return p;
}
char *local_scope(char *label)
{
return islocal(label) ? prevlabel : "";
}
/*
* Notes regarding bug involving redefinition of external segments.
*

1
labels.h
View File

@ -25,5 +25,6 @@ void define_common(char *label, int32_t segment, int32_t size, char *special,
void declare_as_global(char *label, char *special, efunc error);
int init_labels(void);
void cleanup_labels(void);
char *local_scope(char *label);
#endif /* LABELS_H */