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Make error messages clearer for illegal combinations of nested 

functions and import */exec.
This commit is contained in:
Jeremy Hylton 2001-03-22 03:51:05 +00:00
parent 6e9c0baa65
commit 280e6bd742
1 changed files with 36 additions and 15 deletions
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51
Python/compile.c
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@ -4191,32 +4191,53 @@ symtable_check_unoptimized(struct compiling *c,
|| (ste->ste_nested && si->si_nimplicit)))
return 0;
#define ILLEGAL_CONTAINS "contains a nested function with free variables"
#define ILLEGAL_IS "is a nested function"
#define ILLEGAL_IMPORT_STAR \
"import * is not allowed in function '%.100s' " \
"because it contains a nested function with free variables"
"import * is not allowed in function '%.100s' because it %s"
#define ILLEGAL_BARE_EXEC \
"unqualified exec is not allowed in function '%.100s' " \
"because it contains a nested function with free variables"
"unqualified exec is not allowed in function '%.100s' it %s"
#define ILLEGAL_EXEC_AND_IMPORT_STAR \
"function '%.100s' uses import * and bare exec, which are illegal" \
"because it contains a nested function with free variables"
"because it %s"
/* XXX perhaps the linenos for these opt-breaking statements
should be stored so the exception can point to them. */
if (ste->ste_optimized == OPT_IMPORT_STAR)
sprintf(buf, ILLEGAL_IMPORT_STAR,
PyString_AS_STRING(ste->ste_name));
else if (ste->ste_optimized == (OPT_BARE_EXEC | OPT_EXEC))
sprintf(buf, ILLEGAL_BARE_EXEC,
PyString_AS_STRING(ste->ste_name));
else {
sprintf(buf, ILLEGAL_EXEC_AND_IMPORT_STAR,
PyString_AS_STRING(ste->ste_name));
if (ste->ste_child_free) {
if (ste->ste_optimized == OPT_IMPORT_STAR)
sprintf(buf, ILLEGAL_IMPORT_STAR,
PyString_AS_STRING(ste->ste_name),
ILLEGAL_CONTAINS);
else if (ste->ste_optimized == (OPT_BARE_EXEC | OPT_EXEC))
sprintf(buf, ILLEGAL_BARE_EXEC,
PyString_AS_STRING(ste->ste_name),
ILLEGAL_CONTAINS);
else {
sprintf(buf, ILLEGAL_EXEC_AND_IMPORT_STAR,
PyString_AS_STRING(ste->ste_name),
ILLEGAL_CONTAINS);
}
} else {
if (ste->ste_optimized == OPT_IMPORT_STAR)
sprintf(buf, ILLEGAL_IMPORT_STAR,
PyString_AS_STRING(ste->ste_name),
ILLEGAL_IS);
else if (ste->ste_optimized == (OPT_BARE_EXEC | OPT_EXEC))
sprintf(buf, ILLEGAL_BARE_EXEC,
PyString_AS_STRING(ste->ste_name),
ILLEGAL_IS);
else {
sprintf(buf, ILLEGAL_EXEC_AND_IMPORT_STAR,
PyString_AS_STRING(ste->ste_name),
ILLEGAL_IS);
}
}
if (c->c_symtable->st_nested_scopes) {
PyErr_SetString(PyExc_SyntaxError, buf);
PyErr_SyntaxLocation(c->c_symtable->st_filename,