Contents

use :node;

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

fn Identifier(name)
  extends Node {
  
  this.type = 'Identifier';
  this.global = false;
  
  ::Object.defineProperty(this, 'name', { 
    value: name, 
    enumerable: true 
  });  
}

Identifier.prototype.codegen = (undefinedCheck = true) -> {
  if !super.codegen() {
    return;
  }
    
  // Compile-time undefined check
  if (undefinedCheck && !this.global) {
    // If this is not a new identifier, ...
    if !(this.parent?.type in ["FunctionDeclaration", "VariableDeclarator"] &&
         this.parent.id == this) {
      // ... and this identifier is undefined, raise an error
      if (!this.parent.isIdentifierDefined(this.name)) {
        Node.getErrorManager().error({
          type: "UndefinedIdentifier",
          identifier: this.name,
          message: "undefined " + this.name,
          loc: this.loc
        });
      }
    } else {
      // If this is a new identifier, and this identifier 
      // is already defined, raise an error
      if (this.parent.isIdentifierDefined(this.name)) {
        Node.getErrorManager().error({
          type: "AlreadyDefinedIdentifier",
          identifier: this.name,
          message: this.name + " is already defined",
          loc: this.loc
        });
      } else {
        // otherwise, define this identifier
        this.parent.getContext().node.defineIdentifier(this);
      }
    }
  }
  
  return this;
};

Identifier.prototype.hasCallExpression = () -> false;

Identifier.prototype.asGlobal = () -> {
  this.global = true;
  return this;
};

Identifier.prototype.asPredefinedCollection = () -> {
  this.predefinedCollection = true;
  return this;
};

exports.Identifier = Identifier;

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
spider-src-0.1.7	lib/spider-src/support/spider/src/ast/literals/Identifier.spider
spider-src-0.1.6	lib/spider-src/support/spider/src/ast/literals/Identifier.spider
spider-src-0.1.5	lib/spider-src/support/spider/src/ast/literals/Identifier.spider