Get rid of PostfixExpressionAST and store the base expression together with the PostfixAST nodes.

This commit is contained in:
Roberto Raggi
2010-06-23 14:38:41 +02:00
parent ed2862acce
commit da817310c2
19 changed files with 136 additions and 235 deletions

View File

@@ -4325,28 +4325,26 @@ bool Parser::parsePostfixExpression(ExpressionAST *&node)
{
DEBUG_THIS_RULE();
if (parseCorePostfixExpression(node)) {
PostfixListAST *postfix_expressions = 0,
**postfix_ptr = &postfix_expressions;
while (LA()) {
if (LA() == T_LPAREN) {
CallAST *ast = new (_pool) CallAST;
ast->lparen_token = consumeToken();
parseExpressionList(ast->expression_list);
match(T_RPAREN, &ast->rparen_token);
*postfix_ptr = new (_pool) PostfixListAST(ast);
postfix_ptr = &(*postfix_ptr)->next;
ast->base_expression = node;
node = ast;
} else if (LA() == T_LBRACKET) {
ArrayAccessAST *ast = new (_pool) ArrayAccessAST;
ast->lbracket_token = consumeToken();
parseExpression(ast->expression);
match(T_RBRACKET, &ast->rbracket_token);
*postfix_ptr = new (_pool) PostfixListAST(ast);
postfix_ptr = &(*postfix_ptr)->next;
ast->base_expression = node;
node = ast;
} else if (LA() == T_PLUS_PLUS || LA() == T_MINUS_MINUS) {
PostIncrDecrAST *ast = new (_pool) PostIncrDecrAST;
ast->incr_decr_token = consumeToken();
*postfix_ptr = new (_pool) PostfixListAST(ast);
postfix_ptr = &(*postfix_ptr)->next;
ast->base_expression = node;
node = ast;
} else if (LA() == T_DOT || LA() == T_ARROW) {
MemberAccessAST *ast = new (_pool) MemberAccessAST;
ast->access_token = consumeToken();
@@ -4355,17 +4353,11 @@ bool Parser::parsePostfixExpression(ExpressionAST *&node)
if (! parseNameId(ast->member_name))
_translationUnit->error(cursor(), "expected unqualified-id before token `%s'",
tok().spell());
*postfix_ptr = new (_pool) PostfixListAST(ast);
postfix_ptr = &(*postfix_ptr)->next;
ast->base_expression = node;
node = ast;
} else break;
} // while
if (postfix_expressions) {
PostfixExpressionAST *ast = new (_pool) PostfixExpressionAST;
ast->base_expression = node;
ast->postfix_expression_list = postfix_expressions;
node = ast;
}
return true;
}
return false;