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com_continue_stmt(): Improve error message when continue is found 

in a try statement in a loop.

This is related to SourceForge bug #110830.
This commit is contained in:
Fred Drake 2000-09-08 16:31:24 +00:00
parent 0d8ce6111c
commit fd1f1be98d
1 changed files with 22 additions and 1 deletions
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23
Python/compile.c
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@ -258,7 +258,7 @@ PyCode_New(int argcount, int nlocals, int stacksize, int flags,
/* Data structure used internally */
struct compiling {
PyObject *c_code; /* string */
PyObject *c_code; /* string */
PyObject *c_consts; /* list of objects */
PyObject *c_const_dict; /* inverse of c_consts */
PyObject *c_names; /* list of strings (names) */
@ -2933,7 +2933,28 @@ com_continue_stmt(struct compiling *c, node *n)
if (i-- > 0 && c->c_block[i] == SETUP_LOOP) {
com_addoparg(c, JUMP_ABSOLUTE, c->c_begin);
}
else if (i <= 0) {
/* at the outer level */
com_error(c, PyExc_SyntaxError,
"'continue' not properly in loop");
}
else {
int j;
for (j = 0; j <= i; ++j) {
if (c->c_block[j] == SETUP_LOOP)
break;
}
if (j < i+1) {
/* there is a loop, but something interferes */
for (++j; j <= i; ++j) {
if (c->c_block[i] == SETUP_EXCEPT
|| c->c_block[i] == SETUP_FINALLY) {
com_error(c, PyExc_SyntaxError,
"'continue' not supported inside 'try' clause");
return;
}
}
}
com_error(c, PyExc_SyntaxError,
"'continue' not properly in loop");
}