BinaryExpression 二元表达式

1. 结构声明

TS Declaration

class BinaryExpression extends LogicItem {
    left: LogicItem;
    right: LogicItem;
    operator: '+' | '-' | '*' | '/' | '%' | '==' | '!=' | '>' | '<' | '>=' | '<=' | '&&' | '||' | 'startwith' | 'endwith' | 'like' | 'in';
}

JSON Schema

{
    "type": "object",
    "properties": {
        "composedBy": {
            "type": "array",
            "items": {
                "type": "string"
            }
        },
        "label": {
            "type": "string"
        },
        "description": {
            "type": "string"
        },
        "folded": {
            "type": "boolean"
        },
        "offsetX": {
            "type": "number"
        },
        "offsetY": {
            "type": "number"
        },
        "left": {
            "$ref": "#/definitions/LogicItem"
        },
        "right": {
            "$ref": "#/definitions/LogicItem"
        },
        "operator": {
            "type": "string",
            "enum": [
                "+",
                "-",
                "*",
                "/",
                "%",
                "==",
                "!=",
                ">",
                "<",
                ">=",
                "<=",
                "&&",
                "||",
                "startwith",
                "endwith",
                "like",
                "in"
            ]
        }
    },
    "required": [
        "left",
        "right",
        "operator"
    ],
    "additionalProperties": false
}

2. 节点示例

(1) 示例

AST 如下：

JSON

{
    "concept": "BinaryExpression",
    "left": {
        "concept": "Identifier",
        "namespace": "",
        "name": "ratio"
    },
    "operator": "*",
    "right": {
        "concept": "NumericLiteral",
        "value": "100",
        "typeAnnotation": {
            "concept": "TypeAnnotation",
            "typeKind": "primitive",
            "typeNamespace": "nasl.core",
            "typeName": "Long",
            "inferred": false,
            "ruleMap": {}
        }
    }
}

YAML

concept: BinaryExpression
left:
  concept: Identifier
  namespace: ""
  name: ratio
operator: "*"
right:
  concept: NumericLiteral
  value: "100"
  typeAnnotation:
    concept: TypeAnnotation
    typeKind: primitive
    typeNamespace: nasl.core
    typeName: Long
    inferred: false
    ruleMap: {}

对应的代码如下：

文本化 NASL

ratio * 100

(2) 示例

AST 如下：

JSON

{
    "concept": "BinaryExpression",
    "left": {
        "concept": "Identifier",
        "namespace": "",
        "name": "ratio"
    },
    "operator": "==",
    "right": {
        "concept": "NumericLiteral",
        "value": "1",
        "typeAnnotation": {
            "concept": "TypeAnnotation",
            "typeKind": "primitive",
            "typeNamespace": "nasl.core",
            "typeName": "Long",
            "inferred": false,
            "ruleMap": {}
        }
    }
}

YAML

concept: BinaryExpression
left:
  concept: Identifier
  namespace: ""
  name: ratio
operator: ==
right:
  concept: NumericLiteral
  value: "1"
  typeAnnotation:
    concept: TypeAnnotation
    typeKind: primitive
    typeNamespace: nasl.core
    typeName: Long
    inferred: false
    ruleMap: {}

对应的代码如下：

文本化 NASL

ratio == 1

(3) 示例

AST 如下：

JSON

{
    "concept": "BinaryExpression",
    "left": {
        "concept": "Identifier",
        "namespace": "",
        "name": "condition1"
    },
    "operator": "||",
    "right": {
        "concept": "BinaryExpression",
        "left": {
            "concept": "Identifier",
            "namespace": "",
            "name": "ratio"
        },
        "operator": ">",
        "right": {
            "concept": "NumericLiteral",
            "value": "1",
            "typeAnnotation": {
                "concept": "TypeAnnotation",
                "typeKind": "primitive",
                "typeNamespace": "nasl.core",
                "typeName": "Long",
                "inferred": false,
                "ruleMap": {}
            }
        }
    }
}

YAML

concept: BinaryExpression
left:
  concept: Identifier
  namespace: ""
  name: condition1
operator: "||"
right:
  concept: BinaryExpression
  left:
    concept: Identifier
    namespace: ""
    name: ratio
  operator: ">"
  right:
    concept: NumericLiteral
    value: "1"
    typeAnnotation:
      concept: TypeAnnotation
      typeKind: primitive
      typeNamespace: nasl.core
      typeName: Long
      inferred: false
      ruleMap: {}

对应的代码如下：

文本化 NASL

condition1 || ratio > 1

(4) 数据查询中的二元表达式

AST 如下：

JSON

{
    "concept": "BinaryExpression",
    "left": {
        "concept": "QueryFieldExpression",
        "isDotStar": false,
        "entityAsName": "Student",
        "propertyName": "fullName",
        "asName": ""
    },
    "right": {
        "concept": "Identifier",
        "namespace": "",
        "name": "name"
    },
    "operator": "like"
}

YAML

concept: BinaryExpression
left:
  concept: QueryFieldExpression
  isDotStar: false
  entityAsName: Student
  propertyName: fullName
  asName: ""
right:
  concept: Identifier
  namespace: ""
  name: name
operator: like

对应的代码如下：

文本化 NASL

LIKE(Student.fullName, name)