本文整理汇总了C++中statik::OPT方法的典型用法代码示例。如果您正苦于以下问题：C++ statik::OPT方法的具体用法？C++ statik::OPT怎么用？C++ statik::OPT使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类statik的用法示例。
在下文中一共展示了statik::OPT方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: parser
// JSON parser
auto_ptr<Rule> exstatik::CreateParser_JSON() {
auto_ptr<Rule> parser(STAR("JSON"));
Rule* var_ = parser->AddChild(SEQ("var"))
->CapOutput("var");
Rule* ws_OPT = var_->AddChild(OPT("ws?"));
ws_OPT->AddChild(META("WS", "WS"));
var_->AddChild(META("name", "ID"));
var_->AddChildRecursive(ws_OPT);
var_->AddChild(META("=", "="));
var_->AddChildRecursive(ws_OPT);
Rule* value_ = var_->AddChild(OR("value"));
Rule* semi_OPT = var_->AddChild(OPT("semi?"));
var_->AddChildRecursive(ws_OPT);
semi_OPT->AddChild(META(";", ";"));
var_->AddChildRecursive(ws_OPT);
value_->AddChild(META("string", "STR"));
Rule* object_ = value_->AddChild(SEQ("object"));
object_->AddChild(META("{", "{"));
Rule* var_STAR = object_->AddChild(STAR("varstar"));
var_STAR->AddChildRecursive(var_);
object_->AddChild(META("}", "}"));
return parser;
}示例2: lexer
auto_ptr<Rule> exstatik::CreateLexer_Seq() {
auto_ptr<Rule> lexer(SEQ("seq"));
lexer->AddChild(KEYWORD("cat"));
lexer->AddChild(KEYWORD("dog"));
Rule* optmoo = lexer->AddChild(OPT("opt"));
optmoo->AddChild(KEYWORD("moo"));
lexer->AddChild(KEYWORD("car"));
return lexer;
}示例3: while
// C parser
auto_ptr<Rule> exstatik::CreateParser_C() {
auto_ptr<Rule> identifier_(META("identifier", "ID")); // goto_statement_
auto_ptr<Rule> integer_constant_(META("integer", "INT")); // constant_
auto_ptr<Rule> character_constant_(META("char", "CHAR")); // constant_
auto_ptr<Rule> floating_constant_(META("float", "FLOAT")); // constant_
auto_ptr<Rule> enumeration_constant_(META("enum", "ENUM")); // constant_
auto_ptr<Rule> constant_(OR("constant")); // FAKE constant_expression_
constant_->AddChild(integer_constant_);
constant_->AddChild(character_constant_);
constant_->AddChild(floating_constant_);
constant_->AddChild(enumeration_constant_);
/*
postfix-expression:
primary-expression
postfix-expression [ expression ]
postfix-expression ( argument-expression-list_OPT )
postfix-expression . identifier
postfix-expression -> identifier
postfix-expression ++
postfix-expression --
primary-expression:
identifier
constant
string
( expression )
argument-expression-list:
assignment-expression
argument-expression-list , assignment-expression
*/
auto_ptr<Rule> unary_operator_(OR("unary-operator"));
unary_operator_->AddChild(META("&", "&"));
unary_operator_->AddChild(META("*", "*"));
unary_operator_->AddChild(META("+", "+"));
unary_operator_->AddChild(META("-", "-"));
unary_operator_->AddChild(META("~", "~"));
unary_operator_->AddChild(META("!", "!"));
// FAKE
auto_ptr<Rule> constant_expression_(constant_); // FAKE direct-declarator-suffix-1
/*
conditional-expression:
logical-OR-expression
logical-OR-expression ? expression : conditional-expression
constant-expression:
conditional-expression
logical-OR-expression:
logical-AND-expression
logical-OR-expression || logical-AND-expression
logical-AND-expression:
inclusive-OR-expression
logical-AND-expression && inclusive-OR-expression
inclusive-OR-expression:
exclusive-OR-expression
inclusive-OR-expression | exclusive-OR-expression
exclusive-OR-expression:
AND-expression
exclusive-OR-expression ^ AND-expression
AND-expression:
equality-expression
AND-expression & equality-expression
equality-expression:
relational-expression
equality-expression == relational-expression
equality-expression != relational-expression
relational-expression:
shift-expression
relational-expression < shift-expression
relational-expression > shift-expression
relational-expression <= shift-expression
relational-expression >= shift-expression
shift-expression:
additive-expression
shift-expression << additive-expression
shift-expression >> additive-expression
additive-expression:
multiplicative-expression
additive-expression + multiplicative-expression
additive-expression - multiplicative-expression
multiplicative-expression:
cast-expression
multiplicative-expression * cast-expression
multiplicative-expression / cast-expression
multiplicative-expression % cast-expression
cast-expression:
unary-expression
( type-name ) cast-expression
unary-expression:
postfix-expression
++ unary-expression
-- unary-expression
unary-operator cast-expression
sizeof unary-expression
sizeof ( type-name )
*/
//.........这里部分代码省略.........