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Loop bodies, then-statements, and else-statements are not lists

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The statement making up a loop body, a then-statement, or an
else-statement are single nodes.  If the statement is a block, the
single node will be an ast_compound_statement.  There is no need to
loop at the top level when processing these statements.
This commit is contained in:
Ian Romanick 2010-05-10 11:10:26 -07:00
parent f4e06981cc
commit 4f9d72fa9e
1 changed files with 6 additions and 21 deletions
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27
ast_to_hir.cpp
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@ -2171,21 +2171,11 @@ ast_selection_statement::hir(exec_list *instructions,
ir_if *const stmt = new ir_if(condition);
if (then_statement != NULL) {
ast_node *node = (ast_node *) then_statement;
do {
node->hir(& stmt->then_instructions, state);
node = (ast_node *) node->next;
} while (node != then_statement);
}
if (then_statement != NULL)
then_statement->hir(& stmt->then_instructions, state);
if (else_statement != NULL) {
ast_node *node = (ast_node *) else_statement;
do {
node->hir(& stmt->else_instructions, state);
node = (ast_node *) node->next;
} while (node != else_statement);
}
if (else_statement != NULL)
else_statement->hir(& stmt->else_instructions, state);
instructions->push_tail(stmt);
@ -2252,13 +2242,8 @@ ast_iteration_statement::hir(exec_list *instructions,
if (mode != ast_do_while)
condition_to_hir(stmt, state);
if (body != NULL) {
ast_node *node = (ast_node *) body;
do {
node->hir(& stmt->body_instructions, state);
node = (ast_node *) node->next;
} while (node != body);
}
if (body != NULL)
body->hir(& stmt->body_instructions, state);
if (rest_expression != NULL)
rest_expression->hir(& stmt->body_instructions, state);