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Support assert stmt.

This commit is contained in:
Guido van Rossum 1997-04-02 05:32:13 +00:00
parent 4669fb474b
commit 925e547fcc
1 changed files with 32 additions and 1 deletions
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33
Modules/parsermodule.c
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@ -874,6 +874,7 @@ VALIDATER(print_stmt); VALIDATER(del_stmt);
VALIDATER(return_stmt);
VALIDATER(raise_stmt); VALIDATER(import_stmt);
VALIDATER(global_stmt);
VALIDATER(assert_stmt);
VALIDATER(exec_stmt); VALIDATER(compound_stmt);
VALIDATER(while); VALIDATER(for);
VALIDATER(try); VALIDATER(except_clause);
@ -1333,6 +1334,7 @@ validate_small_stmt(tree)
|| (TYPE(CHILD(tree, 0)) == flow_stmt)
|| (TYPE(CHILD(tree, 0)) == import_stmt)
|| (TYPE(CHILD(tree, 0)) == global_stmt)
|| (TYPE(CHILD(tree, 0)) == assert_stmt)
|| (TYPE(CHILD(tree, 0)) == exec_stmt)));
if (res)
@ -1584,6 +1586,32 @@ validate_exec_stmt(tree)
} /* validate_exec_stmt() */
/* assert_stmt:
*
* 'assert' test [',' test]
*/
static int
validate_assert_stmt(tree)
node *tree;
{
int nch = NCH(tree);
int res = (validate_ntype(tree, assert_stmt)
&& ((nch == 2) || (nch == 4))
&& (validate_name(CHILD(tree, 0), "__assert__") ||
validate_name(CHILD(tree, 0), "assert"))
&& validate_test(CHILD(tree, 1)));
if (!res && !PyErr_Occurred())
err_string("Illegal assert statement.");
if (res && (nch > 2))
res = (validate_comma(CHILD(tree, 2))
&& validate_test(CHILD(tree, 3)));
return (res);
} /* validate_assert_stmt() */
static int
validate_while(tree)
node *tree;
@ -2373,7 +2401,7 @@ validate_node(tree)
case small_stmt:
/*
* expr_stmt | print_stmt | del_stmt | pass_stmt | flow_stmt
* | import_stmt | global_stmt | exec_stmt
* | import_stmt | global_stmt | exec_stmt | assert_stmt
*/
res = validate_small_stmt(tree);
break;
@ -2436,6 +2464,9 @@ validate_node(tree)
case exec_stmt:
res = validate_exec_stmt(tree);
break;
case assert_stmt:
res = validate_assert_stmt(tree);
break;
case if_stmt:
res = validate_if(tree);
break;