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Introduce parser scope types, add scope flags, indicating whether scope contains a function declaration, a 'try' statement, 'with' statement or 'delete' operator.

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JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan
2015-08-21 14:09:24 +03:00
parent c3d8cfd73c
commit 91aecc3bd0
5 changed files with 127 additions and 43 deletions
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jerry-core/parser/js/scopes-tree.cpp
+48 -2
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@@ -743,6 +743,46 @@ scopes_tree_set_eval_used (scopes_tree tree) /**< scope */
tree->ref_eval = true;
} /* scopes_tree_set_eval_used */
/**
* Set up a flag, indicating that 'with' statement is contained in a scope
*/
void
scopes_tree_set_contains_with (scopes_tree tree) /**< scope */
{
assert_tree (tree);
tree->contains_with = true;
} /* scopes_tree_set_contains_with */
/**
* Set up a flag, indicating that 'try' statement is contained in a scope
*/
void
scopes_tree_set_contains_try (scopes_tree tree) /**< scope */
{
assert_tree (tree);
tree->contains_try = true;
} /* scopes_tree_set_contains_try */
/**
* Set up a flag, indicating that 'delete' operator is contained in a scope
*/
void
scopes_tree_set_contains_delete (scopes_tree tree) /**< scope */
{
assert_tree (tree);
tree->contains_delete = true;
} /* scopes_tree_set_contains_delete */
/**
* Set up a flag, indicating that there is a function declaration / expression inside a scope
*/
void
scopes_tree_set_contains_functions (scopes_tree tree) /**< scope */
{
assert_tree (tree);
tree->contains_functions = true;
} /* scopes_tree_set_contains_functions */
bool
scopes_tree_strict_mode (scopes_tree tree)
{
@@ -756,7 +796,8 @@ scopes_tree_strict_mode (scopes_tree tree)
* @return initialized scope
*/
scopes_tree
scopes_tree_init (scopes_tree parent) /**< parent scope */
scopes_tree_init (scopes_tree parent, /**< parent scope */
scope_type_t type) /**< scope type */
{
scopes_tree tree = (scopes_tree) jsp_mm_alloc (sizeof (scopes_tree_int));
memset (tree, 0, sizeof (scopes_tree_int));
@@ -775,9 +816,14 @@ scopes_tree_init (scopes_tree parent) /**< parent scope */
parent->t.children_num++;
}
tree->instrs_count = 0;
tree->type = type;
tree->strict_mode = false;
tree->ref_eval = false;
tree->ref_arguments = false;
tree->ref_eval = false;
tree->contains_with = false;
tree->contains_try = false;
tree->contains_delete = false;
tree->contains_functions = false;
tree->instrs = linked_list_init (sizeof (op_meta));
tree->var_decls_cout = 0;
tree->var_decls = linked_list_init (sizeof (op_meta));