Contents

use :node;

var Node = module.require('../Node').Node;

fn LogicalExpression(left, operator, right)
  extends Node {
  
  this.type = 'LogicalExpression';
  this.operator = operator;
  
  switch this.operator {
    case 'and': {
      this.operator = '&&';
    },
    
    case 'or': {
      this.operator = '||';
    }
  }
   
  this.left = left;
  this.left.parent = this;
  
  this.right = right;
  this.right.parent = this;
}

LogicalExpression.prototype.codegen = () -> {
  if !super.codegen() {
    return;
  }
  
  var enforceBooleanExpression = (o) -> {
    if o.type == "UnaryExpression" and o.operator == "!" {
      return o;
    }
    
    return {
      "type": "UnaryExpression",
      "operator": "!",
      "argument": {
        "type": "UnaryExpression",
        "operator": "!",
        "argument": o,
        "prefix": true
      },
      "prefix": true
    };
  };
  
  this.left = enforceBooleanExpression(this.left.codegen());
  this.right = enforceBooleanExpression(this.right.codegen());
  
  return this;
};

LogicalExpression.prototype.hasCallExpression = () -> {
  return this.left?.hasCallExpression() ||
         this.right?.hasCallExpression();
};

exports.LogicalExpression = LogicalExpression;

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
spider-src-0.1.7	lib/spider-src/support/spider/src/ast/expressions/LogicalExpression.spider
spider-src-0.1.6	lib/spider-src/support/spider/src/ast/expressions/LogicalExpression.spider
spider-src-0.1.5	lib/spider-src/support/spider/src/ast/expressions/LogicalExpression.spider