Plato - lang/compiler/parser/signed-expr.js

(function(sc) {
  "use strict";

require("./parser");

var Syntax = sc.lang.compiler.Syntax;
  var Token = sc.lang.compiler.Token;
  var Node = sc.lang.compiler.Node;
  var Parser = sc.lang.compiler.Parser;

/*
    SignedExpression :
      PrimaryExpression
      - PrimaryExpression
  */
  Parser.addParseMethod("SignedExpression", function() {
    // TODO: fix like this
    // if (!this.match("-")) {
    //   return this.parsePrimaryExpression();
    // }

return marker.update().apply(expr, true);
  });

function isNumber(node) {
    if (node.type !== Syntax.Literal) {
      return false;
    }
    var valueType = node.valueType;
    return valueType === Token.IntegerLiteral || valueType === Token.FloatLiteral;
  }
})(sc);

lang/compiler/parser/signed-expr.js

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