Method macroExpand

external/.scrollLibs.js:17007–17030

(macroDefinitionAtom, macroUsageAtom)

    return lastParticle
  }
  macroExpand(macroDefinitionAtom, macroUsageAtom) {
    const clone = this.clone()
    const defs = clone.findParticles(macroDefinitionAtom)
    const allUses = clone.findParticles(macroUsageAtom)
    const atomBreakSymbol = clone.atomBreakSymbol
    defs.forEach(def => {
      const macroName = def.getAtom(1)
      const uses = allUses.filter(particle => particle.hasAtom(1, macroName))
      const params = def.getAtomsFrom(2)
      const replaceFn = str => {
        const paramValues = str.split(atomBreakSymbol).slice(2)
        let newParticle = def.subparticlesToString()
        params.forEach((param, index) => {
          newParticle = newParticle.replace(new RegExp(param, "g"), paramValues[index])
        })
        return newParticle
      }
      uses.forEach(particle => {
        particle.replaceParticle(replaceFn)
      })
      def.destroy()
    })
    return clone
  }
  setSubparticles(subparticles) {
    return this._setSubparticles(subparticles)
  }